diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 20cdb31..f6f2300 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,20 +30,27 @@ jobs:
           profile: minimal
           override: true
 
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v2
+
       - name: Environment
         run: |
           cargo --version
           rustc --version
+          protoc --version 
 
       - name: Build
-        run: cargo build
+        run: |
+          cargo build
+          cargo build --manifest-path ./test/rust_grpc/Cargo.toml
 
       - name: Tests
         shell: bash
         run: |
+          cargo test
           cd test
-          ./test_script.sh
-
+          cargo test --manifest-path ./rust_grpc/Cargo.toml
+          ./test_script.sh          
 
   style:
     name: Fmt & Clippy
@@ -58,14 +65,22 @@ jobs:
           profile: minimal
           override: true
           components: rustfmt, clippy
+
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v2
+
       - name: Environment
         run: |
           cargo --version
           cargo fmt -- --version
           cargo clippy -- --version
+          protoc --version
+
       - name: Run rustfmt
         run: |
           cargo fmt --all -- --check
+          cargo fmt --all --manifest-path ./test/rust_grpc/Cargo.toml -- --check
       - name: Run clippy
         run: |
           cargo clippy --all -- -D warnings
+          cargo clippy --all --manifest-path ./test/rust_grpc/Cargo.toml -- -D warnings
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 0000000..eb178e7
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,37 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="HttpUrlsUsage" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="ignoredUrls">
+        <list>
+          <option value="http://0.0.0.0" />
+          <option value="http://127.0.0.1" />
+          <option value="http://activemq.apache.org/schema/" />
+          <option value="http://cxf.apache.org/schemas/" />
+          <option value="http://java.sun.com/" />
+          <option value="http://javafx.com/fxml" />
+          <option value="http://javafx.com/javafx/" />
+          <option value="http://json-schema.org/draft" />
+          <option value="http://localhost" />
+          <option value="http://maven.apache.org/POM/" />
+          <option value="http://maven.apache.org/xsd/" />
+          <option value="http://primefaces.org/ui" />
+          <option value="http://schema.cloudfoundry.org/spring/" />
+          <option value="http://schemas.xmlsoap.org/" />
+          <option value="http://tiles.apache.org/" />
+          <option value="http://www.ibm.com/webservices/xsd" />
+          <option value="http://www.jboss.com/xml/ns/" />
+          <option value="http://www.jboss.org/j2ee/schema/" />
+          <option value="http://www.springframework.org/schema/" />
+          <option value="http://www.springframework.org/security/tags" />
+          <option value="http://www.springframework.org/tags" />
+          <option value="http://www.thymeleaf.org" />
+          <option value="http://www.w3.org/" />
+          <option value="http://xmlns.jcp.org/" />
+          <option value="http://{}" />
+        </list>
+      </option>
+    </inspection_tool>
+    <inspection_tool class="RsExperimentalChecks" enabled="true" level="ERROR" enabled_by_default="true" />
+  </profile>
+</component>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..f80d8d6
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/proxide.iml" filepath="$PROJECT_DIR$/.idea/proxide.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/proxide.iml b/.idea/proxide.iml
new file mode 100644
index 0000000..1651999
--- /dev/null
+++ b/.idea/proxide.iml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="CPP_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/test/rust_grpc/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+      <excludeFolder url="file://$MODULE_DIR$/test/rust_grpc/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index 42e72f9..5a1c41f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,15 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -32,6 +41,99 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "anstream"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d664a92ecae85fd0a7392615844904654d1d5f5514837f471ddef4a057aba1b6"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7079075b41f533b8c61d2a4d073c4676e1f8b249ff94a393b0595db304e0dd87"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
+dependencies = [
+ "anstyle",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "anyhow"
+version = "1.0.75"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
+
+[[package]]
+name = "async-stream"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd56dd203fef61ac097dd65721a419ddccb106b2d2b70ba60a6b529f03961a51"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.40",
+]
+
+[[package]]
+name = "async-trait"
+version = "0.1.74"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a66537f1bb974b254c98ed142ff995236e81b9d0fe4db0575f46612cb15eb0f9"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.40",
+]
+
+[[package]]
+name = "atomic-counter"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62f447d68cfa5a9ab0c1c862a703da2a65b5ed1b7ce1153c9eb0169506d56019"
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -49,6 +151,51 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "axum"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bitflags 1.3.2",
+ "bytes 1.5.0",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "sync_wrapper",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "759fa577a247914fd3f7f76d62972792636412fbfd634cd452f6a385a74d2d2c"
+dependencies = [
+ "async-trait",
+ "bytes 1.5.0",
+ "futures-util",
+ "http",
+ "http-body",
+ "mime",
+ "rustversion",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.69"
@@ -76,6 +223,12 @@ version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
+[[package]]
+name = "base64"
+version = "0.21.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -157,7 +310,7 @@ dependencies = [
  "num-traits",
  "serde",
  "wasm-bindgen",
- "windows-targets",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
@@ -168,13 +321,47 @@ checksum = "4ea181bf566f71cb9a5d17a59e1871af638180a18fb0035c92ae62b705207123"
 dependencies = [
  "atty",
  "bitflags 1.3.2",
- "clap_lex",
+ "clap_lex 0.2.4",
  "indexmap 1.9.3",
  "strsim",
  "termcolor",
  "textwrap",
 ]
 
+[[package]]
+name = "clap"
+version = "4.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfaff671f6b22ca62406885ece523383b9b64022e341e53e009a62ebc47a45f2"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a216b506622bb1d316cd51328dce24e07bdff4a6128a47c7e7fad11878d5adbb"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex 0.6.0",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf9804afaaf59a91e75b022a30fb7229a7901f60c755489cc61c9b423b836442"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.40",
+]
+
 [[package]]
 name = "clap_lex"
 version = "0.2.4"
@@ -184,6 +371,18 @@ dependencies = [
  "os_str_bytes",
 ]
 
+[[package]]
+name = "clap_lex"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
+
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.6"
@@ -199,6 +398,39 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d2fe95351b870527a5d09bf563ed3c97c0cffb87cf1c78a591bf48bb218d9aa"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "crossbeam-utils",
+ "memoffset",
+]
+
+[[package]]
+name = "crossbeam-skiplist"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "883a5821d7d079fcf34ac55f27a833ee61678110f6b97637cc74513c0d0b42fc"
+dependencies = [
+ "cfg-if",
+ "crossbeam-epoch",
+ "crossbeam-utils",
+ "scopeguard",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c06d96137f14f244c37f989d9fff8f95e6c18b918e71f36638f8c49112e4c78f"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "crossterm"
 version = "0.25.0"
@@ -241,7 +473,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "82e95fbd621905b854affdc67943b043a0fbb6ed7385fd5a25650d19a8a6cfdf"
 dependencies = [
  "nix",
- "windows-sys",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "dashmap"
+version = "5.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "978747c1d849a7d2ee5e8adc0159961c48fb7e5db2f06af6723b80123bb53856"
+dependencies = [
+ "cfg-if",
+ "hashbrown 0.14.3",
+ "lock_api",
+ "once_cell",
+ "parking_lot_core",
 ]
 
 [[package]]
@@ -290,12 +535,40 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
 
+[[package]]
+name = "either"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
+
 [[package]]
 name = "equivalent"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
+[[package]]
+name = "errno"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "fastrand"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5"
+
+[[package]]
+name = "fixedbitset"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -424,6 +697,24 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
 
+[[package]]
+name = "grpc-tester"
+version = "0.1.0"
+dependencies = [
+ "atomic-counter",
+ "clap 4.4.11",
+ "crossbeam-skiplist",
+ "os-id",
+ "portpicker",
+ "prost",
+ "prost-types",
+ "tokio",
+ "tokio-shutdown",
+ "tonic",
+ "tonic-build",
+ "windows",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.22"
@@ -455,6 +746,12 @@ version = "0.14.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "hermit-abi"
 version = "0.1.19"
@@ -470,6 +767,15 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d77f7ec81a6d05a3abb01ab6eb7590f6083d08449fe5a1c8b1e620283546ccb7"
 
+[[package]]
+name = "home"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "http"
 version = "0.2.11"
@@ -481,6 +787,17 @@ dependencies = [
  "itoa",
 ]
 
+[[package]]
+name = "http-body"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ceab25649e9960c0311ea418d17bee82c0dcec1bd053b5f9a66e265a693bed2"
+dependencies = [
+ "bytes 1.5.0",
+ "http",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "http-serde"
 version = "1.1.3"
@@ -497,6 +814,48 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d897f394bad6a705d5f4104762e116a75639e470d80901eed05a860a95cb1904"
 
+[[package]]
+name = "httpdate"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
+
+[[package]]
+name = "hyper"
+version = "0.14.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffb1cfd654a8219eaef89881fdb3bb3b1cdc5fa75ded05d6933b2b382e395468"
+dependencies = [
+ "bytes 1.5.0",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "pin-project-lite",
+ "socket2 0.4.10",
+ "tokio",
+ "tower-service",
+ "tracing",
+ "want",
+]
+
+[[package]]
+name = "hyper-timeout"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbb958482e8c7be4bc3cf272a766a2b0bf1a6755e7a6ae777f017a31d11b13b1"
+dependencies = [
+ "hyper",
+ "pin-project-lite",
+ "tokio",
+ "tokio-io-timeout",
+]
+
 [[package]]
 name = "iana-time-zone"
 version = "0.1.58"
@@ -508,7 +867,7 @@ dependencies = [
  "iana-time-zone-haiku",
  "js-sys",
  "wasm-bindgen",
- "windows-core",
+ "windows-core 0.51.1",
 ]
 
 [[package]]
@@ -540,6 +899,15 @@ dependencies = [
  "hashbrown 0.14.3",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.10"
@@ -567,6 +935,12 @@ version = "0.2.151"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4cd1a83af159aa67994778be9070f0ae1bd732942279cabb14f86f986a21456"
+
 [[package]]
 name = "lock_api"
 version = "0.4.11"
@@ -583,12 +957,33 @@ version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "memchr"
 version = "2.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
 
+[[package]]
+name = "memoffset"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "mime"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
+
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"
@@ -613,9 +1008,15 @@ dependencies = [
  "libc",
  "log",
  "wasi",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "multimap"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
+
 [[package]]
 name = "nix"
 version = "0.27.1"
@@ -701,6 +1102,15 @@ version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
+[[package]]
+name = "os-id"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "510856ec55c552d86db0d675df95c32b87f28cfe1cdc47d3eba2342c39a0a5f6"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "os_str_bytes"
 version = "6.6.1"
@@ -727,7 +1137,7 @@ dependencies = [
  "libc",
  "redox_syscall",
  "smallvec",
- "windows-targets",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
@@ -745,6 +1155,12 @@ dependencies = [
  "base64 0.13.1",
 ]
 
+[[package]]
+name = "percent-encoding"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
+
 [[package]]
 name = "pest"
 version = "2.7.5"
@@ -791,17 +1207,72 @@ dependencies = [
 ]
 
 [[package]]
-name = "pin-project-lite"
-version = "0.2.13"
+name = "petgraph"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8afb450f006bf6385ca15ef45d71d2288452bc3683ce2e2cacc0d18e4be60b58"
+checksum = "e1d3afd2628e69da2be385eb6f2fd57c8ac7977ceeff6dc166ff1657b0e386a9"
+dependencies = [
+ "fixedbitset",
+ "indexmap 2.1.0",
+]
 
 [[package]]
-name = "pin-utils"
-version = "0.1.0"
+name = "pin-project"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
-
+checksum = "fda4ed1c6c173e3fc7a83629421152e01d7b1f9b7f65fb301e490e8cfc656422"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.40",
+]
+
+[[package]]
+name = "pin-project-lite"
+version = "0.2.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8afb450f006bf6385ca15ef45d71d2288452bc3683ce2e2cacc0d18e4be60b58"
+
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
+[[package]]
+name = "portpicker"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be97d76faf1bfab666e1375477b23fde79eccf0276e9b63b92a39d676a889ba9"
+dependencies = [
+ "rand",
+]
+
+[[package]]
+name = "ppv-lite86"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+
+[[package]]
+name = "prettyplease"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae005bd773ab59b4725093fd7df83fd7892f7d8eafb48dbd7de6e024e4215f9d"
+dependencies = [
+ "proc-macro2",
+ "syn 2.0.40",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.70"
@@ -811,6 +1282,60 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "prost"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "146c289cda302b98a28d40c8b3b90498d6e526dd24ac2ecea73e4e491685b94a"
+dependencies = [
+ "bytes 1.5.0",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-build"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c55e02e35260070b6f716a2423c2ff1c3bb1642ddca6f99e1f26d06268a0e2d2"
+dependencies = [
+ "bytes 1.5.0",
+ "heck",
+ "itertools",
+ "log",
+ "multimap",
+ "once_cell",
+ "petgraph",
+ "prettyplease",
+ "prost",
+ "prost-types",
+ "regex",
+ "syn 2.0.40",
+ "tempfile",
+ "which",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "efb6c9a1dd1def8e2124d17e83a20af56f1570d6c2d2bd9e266ccb768df3840e"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.40",
+]
+
+[[package]]
+name = "prost-types"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "193898f59edcf43c26227dcd4c8427f00d99d61e95dcde58dabd49fa291d470e"
+dependencies = [
+ "prost",
+]
+
 [[package]]
 name = "protofish"
 version = "0.2.5"
@@ -830,23 +1355,26 @@ dependencies = [
  "base64 0.11.0",
  "bytes 1.5.0",
  "chrono",
- "clap",
+ "clap 3.2.25",
  "crossterm",
  "ctrlc",
  "futures",
  "glob",
+ "grpc-tester",
  "h2",
  "http",
  "http-serde",
  "httparse",
  "lazy_static",
  "log",
+ "portpicker",
  "protofish",
  "rcgen",
  "rmp-serde",
  "rustls",
  "serde",
  "serde_json",
+ "serial_test",
  "shell-words",
  "simplelog",
  "snafu",
@@ -866,6 +1394,36 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "rcgen"
 version = "0.8.14"
@@ -888,6 +1446,35 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "regex"
+version = "1.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
+
 [[package]]
 name = "ring"
 version = "0.16.20"
@@ -914,7 +1501,7 @@ dependencies = [
  "libc",
  "spin 0.9.8",
  "untrusted 0.9.0",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -954,6 +1541,19 @@ dependencies = [
  "nom",
 ]
 
+[[package]]
+name = "rustix"
+version = "0.38.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72e572a5e8ca657d7366229cdde4bd14c4eb5499a9573d4d366fe1b599daa316"
+dependencies = [
+ "bitflags 2.4.1",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "rustls"
 version = "0.20.9"
@@ -966,6 +1566,12 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
+
 [[package]]
 name = "ryu"
 version = "1.0.16"
@@ -1019,6 +1625,31 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serial_test"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e56dd856803e253c8f298af3f4d7eb0ae5e23a737252cd90bb4f3b435033b2d"
+dependencies = [
+ "dashmap",
+ "futures",
+ "lazy_static",
+ "log",
+ "parking_lot",
+ "serial_test_derive",
+]
+
+[[package]]
+name = "serial_test_derive"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91d129178576168c589c9ec973feedf7d3126c01ac2bf08795109aa35b69fb8f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.40",
+]
+
 [[package]]
 name = "sha2"
 version = "0.10.8"
@@ -1113,6 +1744,16 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.4.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f7916fc008ca5542385b89a3d3ce689953c143e9304a9bf8beec1de48994c0d"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "socket2"
 version = "0.5.5"
@@ -1120,7 +1761,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b5fac59a5cb5dd637972e5fca70daf0523c9067fcdc4842f053dae04a18f8e9"
 dependencies = [
  "libc",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -1163,6 +1804,25 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
+
+[[package]]
+name = "tempfile"
+version = "3.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ef1adac450ad7f4b3c28589471ade84f25f731a7a0fe30d71dfa9f60fd808e5"
+dependencies = [
+ "cfg-if",
+ "fastrand",
+ "redox_syscall",
+ "rustix",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.1.3"
@@ -1212,9 +1872,19 @@ dependencies = [
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
- "socket2",
+ "socket2 0.5.5",
  "tokio-macros",
- "windows-sys",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "tokio-io-timeout"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30b74022ada614a1b4834de765f9bb43877f910cc8ce4be40e89042c9223a8bf"
+dependencies = [
+ "pin-project-lite",
+ "tokio",
 ]
 
 [[package]]
@@ -1239,6 +1909,27 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "tokio-shutdown"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0f30b85501e483eff3fd482c5b8ca6540fd3764fecf31bd2a7f1fcb77c648bb"
+dependencies = [
+ "tokio",
+ "tracing",
+]
+
+[[package]]
+name = "tokio-stream"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "397c988d37662c7dda6d2208364a706264bf3d6138b11d436cbac0ad38832842"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.7.10"
@@ -1253,6 +1944,78 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d560933a0de61cf715926b9cac824d4c883c2c43142f787595e48280c40a1d0e"
+dependencies = [
+ "async-stream",
+ "async-trait",
+ "axum",
+ "base64 0.21.5",
+ "bytes 1.5.0",
+ "h2",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-timeout",
+ "percent-encoding",
+ "pin-project",
+ "prost",
+ "tokio",
+ "tokio-stream",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tonic-build"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d021fc044c18582b9a2408cd0dd05b1596e3ecdb5c4df822bb0183545683889"
+dependencies = [
+ "prettyplease",
+ "proc-macro2",
+ "prost-build",
+ "quote",
+ "syn 2.0.40",
+]
+
+[[package]]
+name = "tower"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
+dependencies = [
+ "futures-core",
+ "futures-util",
+ "indexmap 1.9.3",
+ "pin-project",
+ "pin-project-lite",
+ "rand",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tower-layer"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c20c8dbed6283a09604c3e69b4b7eeb54e298b8a600d4d5ecb5ad39de609f1d0"
+
+[[package]]
+name = "tower-service"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
+
 [[package]]
 name = "tracing"
 version = "0.1.40"
@@ -1260,9 +2023,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
 dependencies = [
  "pin-project-lite",
+ "tracing-attributes",
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-attributes"
+version = "0.1.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.40",
+]
+
 [[package]]
 name = "tracing-core"
 version = "0.1.32"
@@ -1272,6 +2047,12 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "try-lock"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
+
 [[package]]
 name = "tui"
 version = "0.19.0"
@@ -1327,6 +2108,12 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
 
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
 [[package]]
 name = "uuid"
 version = "0.8.2"
@@ -1343,6 +2130,15 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "want"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e"
+dependencies = [
+ "try-lock",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -1423,6 +2219,18 @@ dependencies = [
  "untrusted 0.9.0",
 ]
 
+[[package]]
+name = "which"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
+dependencies = [
+ "either",
+ "home",
+ "once_cell",
+ "rustix",
+]
+
 [[package]]
 name = "wildmatch"
 version = "1.1.0"
@@ -1460,13 +2268,32 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e48a53791691ab099e5e2ad123536d0fff50652600abaf43bbf952894110d0be"
+dependencies = [
+ "windows-core 0.52.0",
+ "windows-targets 0.52.0",
+]
+
 [[package]]
 name = "windows-core"
 version = "0.51.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1f8cf84f35d2db49a46868f947758c7a1138116f7fac3bc844f43ade1292e64"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.48.5",
+]
+
+[[package]]
+name = "windows-core"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
+dependencies = [
+ "windows-targets 0.52.0",
 ]
 
 [[package]]
@@ -1475,7 +2302,16 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.48.5",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets 0.52.0",
 ]
 
 [[package]]
@@ -1484,13 +2320,28 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.0",
+ "windows_aarch64_msvc 0.52.0",
+ "windows_i686_gnu 0.52.0",
+ "windows_i686_msvc 0.52.0",
+ "windows_x86_64_gnu 0.52.0",
+ "windows_x86_64_gnullvm 0.52.0",
+ "windows_x86_64_msvc 0.52.0",
 ]
 
 [[package]]
@@ -1499,42 +2350,84 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
 [[package]]
 name = "x509-parser"
 version = "0.12.0"
diff --git a/Cargo.toml b/Cargo.toml
index d424ab0..df08256 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,3 +40,12 @@ base64 = "0.11"
 wildmatch = "1"
 glob = "0.3"
 shell-words = "1"
+
+[dev-dependencies]
+portpicker = "0.1.1"
+grpc-tester = { version = "0.1.0", path = "test/rust_grpc"}
+serial_test = "2.0.0"
+lazy_static = "1.4.0"
+
+[profile.release]
+debug = true
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 43ec730..5f37324 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -331,6 +331,16 @@ async fn tokio_main(
     abort_rx: oneshot::Receiver<()>,
     ui_tx: Sender<session::events::SessionEvent>,
 ) -> Result<(), Error>
+{
+    launch_proxide(options, abort_rx, ui_tx).await?;
+    Ok(())
+}
+
+async fn launch_proxide(
+    options: Arc<ConnectionOptions>,
+    abort_rx: oneshot::Receiver<()>,
+    ui_tx: Sender<session::events::SessionEvent>,
+) -> Result<(), Error>
 {
     // We'll want to listen for both IPv4 and IPv6. These days 'localhost' will first resolve to the
     // IPv6 address if that is available. If we did not bind to it, all the connections would first
@@ -400,3 +410,232 @@ fn new_connection(
         });
     }
 }
+
+#[cfg(test)]
+mod test
+{
+    use grpc_tester::server::GrpcServer;
+    use lazy_static::lazy_static;
+    use log::SetLoggerError;
+    use serial_test::serial;
+    use std::io::{ErrorKind, Write};
+    use std::str::FromStr;
+    use std::sync::{Arc, Mutex};
+    use std::time::Duration;
+    use tokio::sync::broadcast::error::TryRecvError;
+    use tokio::sync::broadcast::Receiver;
+    use tokio::sync::mpsc::UnboundedReceiver;
+    use tokio::sync::oneshot;
+
+    use crate::session::events::SessionEvent;
+    use crate::ConnectionOptions;
+
+    lazy_static! {
+
+        // Logging must be enabled to detect errors inside proxide.
+        // Failure to monitor logs may cause the test to hang as errors that stop processing get silently ignored.
+        // It is only possible to initialize one logger => the logger is shared between the tests =>
+        // the tests are execute sequentially.
+        //
+        // Call get_error_monitor to access the monitor inside a test.
+        // It drains the monitor from messages ensuring it has room for errors.
+        static ref ERROR_MONITOR: Mutex<Receiver<String>> = create_error_monitor().expect( "Initializing error monitoring failed.");
+    }
+
+    #[tokio::test]
+    #[serial]
+    async fn proxide_captures_messages()
+    {
+        // Logging must be enabled to detect errors inside proxide.
+        // Failure to monitor logs may cause the test to hang as errors that stop processing get silently ignored.
+        let mut error_monitor = get_error_monitor().expect("Acquiring error monitor failed.");
+
+        // Server
+        let server = GrpcServer::start()
+            .await
+            .expect("Starting test server failed.");
+
+        // Proxide
+        let options = get_proxide_options(&server);
+        let (abort_tx, abort_rx) = tokio::sync::oneshot::channel::<()>();
+        let (ui_tx, ui_rx_std) = std::sync::mpsc::channel();
+        let proxide_port = u16::from_str(&options.listen_port.to_string()).unwrap();
+        let proxide = tokio::spawn(crate::launch_proxide(options, abort_rx, ui_tx));
+
+        // Message generator and tester.
+        let tester = grpc_tester::GrpcTester::with_proxide(
+            server,
+            proxide_port,
+            grpc_tester::Args {
+                period: std::time::Duration::from_secs(0),
+                tasks: 1,
+            },
+        )
+        .await
+        .expect("Starting tester failed.");
+        let mut message_rx = async_from_sync(ui_rx_std);
+        tokio::select! {
+            _result = message_rx.recv() => {},
+            result = error_monitor.recv() => panic!( "{:?}", result ),
+        }
+        let mut server = tester.stop_generator().expect("Stopping generator failed.");
+        abort_tx.send(()).expect("Stopping proxide failed.");
+        proxide
+            .await
+            .expect("Waiting for proxide to stop failed.")
+            .expect("Waiting for proxide to stop failed.");
+        server.stop().expect("Stopping server failed");
+    }
+
+    #[tokio::test]
+    #[serial]
+    async fn error_monitor_catches_errors()
+    {
+        // Logging must be enabled to detect errors inside proxide.
+        // Failure to monitor logs may cause the test to hang as errors that stop processing get silently ignored.
+        let mut error_monitor = get_error_monitor().expect("Acquiring error monitor failed.");
+
+        // Proxide
+        let options = ConnectionOptions {
+            ca: None,
+            allow_remote: false,
+            listen_port: portpicker::pick_unused_port()
+                .expect("Getting free port for proxide failed.")
+                .to_string(),
+            target_server: Some("Invalid address".to_string()),
+            proxy: None,
+        };
+        let (abort_tx, abort_rx) = oneshot::channel::<()>();
+        let (ui_tx, _) = std::sync::mpsc::channel();
+        let proxide_port = u16::from_str(&options.listen_port.to_string()).unwrap();
+        let proxide = tokio::spawn(crate::launch_proxide(Arc::new(options), abort_rx, ui_tx));
+
+        // Request proxide to connect to the dummy server. This triggers the expected failure.
+        let mut generator =
+            grpc_tester::generator::GrpcGenerator::start(grpc_tester::generator::Args {
+                address: format!("http://[::1]:{}", proxide_port),
+                period: Duration::from_secs(0),
+                tasks: 1,
+            })
+            .await
+            .expect("Starting the genrator failed.");
+
+        // The invalid address given as the target server's address should trigger an error within the proxide proxy.
+        tokio::select! {
+            _result = tokio::time::sleep( Duration::from_secs(30)) => panic!("Error monitor did not receive errors."),
+            _result = error_monitor.recv() => {},
+        }
+        abort_tx.send(()).expect("Stopping proxide failed.");
+        generator.stop().expect("Stopping the generator failed.");
+        proxide
+            .await
+            .expect("Waiting for proxide to stop failed.")
+            .expect("Waiting for proxide to stop failed.");
+    }
+
+    /// Gets options for launching proxide.
+    fn get_proxide_options(server: &GrpcServer) -> Arc<ConnectionOptions>
+    {
+        let options = ConnectionOptions {
+            ca: None,
+            allow_remote: false,
+            listen_port: portpicker::pick_unused_port()
+                .expect("Getting free port for proxide failed.")
+                .to_string(),
+            target_server: Some(server.address().to_string()),
+            proxy: None,
+        };
+        Arc::new(options)
+    }
+
+    /// Converts a synchronous channel into an asynchronous channel with a helper thread.
+    fn async_from_sync(
+        sync_received: std::sync::mpsc::Receiver<SessionEvent>,
+    ) -> UnboundedReceiver<SessionEvent>
+    {
+        let (async_tx, async_rx) = tokio::sync::mpsc::unbounded_channel();
+        std::thread::spawn(
+            move || -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
+                loop {
+                    async_tx.send(sync_received.recv()?)?;
+                }
+            },
+        );
+        async_rx
+    }
+
+    /// Gets an error monitor for a test.
+    fn get_error_monitor() -> Result<Receiver<String>, Box<dyn std::error::Error>>
+    {
+        // Gets a clean monitor for the tests.
+        // The monitor is drained to guarantee the error monitor channel is empty before the tests.
+        // Re-subscribe would not work as it doesn't remove the existing messages from the channel.
+        let mut monitor = ERROR_MONITOR.lock().unwrap();
+        loop {
+            match monitor.try_recv() {
+                Ok(_) => {}
+                Err(TryRecvError::Empty) => {
+                    break;
+                }
+                Err(e) => return Err(Box::from(e)),
+            }
+        }
+        Ok(monitor.resubscribe())
+    }
+
+    /// Initializes logging for the tests.
+    fn create_error_monitor() -> Result<Mutex<Receiver<String>>, SetLoggerError>
+    {
+        let (log_tx, log_rx) = tokio::sync::broadcast::channel(256);
+        simplelog::WriteLogger::init(
+            simplelog::LevelFilter::Error,
+            simplelog::ConfigBuilder::new().build(),
+            ChannelLogger {
+                target: log_tx,
+                data: Vec::new(),
+            },
+        )?;
+        Ok(Mutex::new(log_rx))
+    }
+
+    /// A logger that sends the log messages into a channel.
+    struct ChannelLogger
+    {
+        /// Target channel for sending log messages.
+        target: tokio::sync::broadcast::Sender<String>,
+
+        /// Data buffer for the error messages.
+        data: Vec<u8>,
+    }
+
+    impl Write for ChannelLogger
+    {
+        fn write(&mut self, buf: &[u8]) -> std::io::Result<usize>
+        {
+            // Split the log at line breaks.
+            if let Some(terminator) = buf.iter().position(|&b| b == 0 || b == 0x0a) {
+                let (current, _) = buf.split_at(terminator);
+                self.data.extend_from_slice(current);
+                let log_entry = String::from_utf8_lossy(&self.data).to_string();
+                self.data.clear();
+                match self.target.send(log_entry) {
+                    Ok(_) => Ok(current.len() + 1),
+                    Err(_) => Err(std::io::Error::from(ErrorKind::BrokenPipe)),
+                }
+            } else {
+                self.data.extend_from_slice(buf);
+                Ok(buf.len())
+            }
+        }
+
+        fn flush(&mut self) -> std::io::Result<()>
+        {
+            let log = String::from_utf8_lossy(self.data.as_slice()).to_string();
+            self.data.clear();
+            match self.target.send(log.to_string()) {
+                Ok(_) => Ok(()),
+                Err(_) => Err(std::io::Error::from(ErrorKind::BrokenPipe)),
+            }
+        }
+    }
+}
diff --git a/src/ui/sub_views/details_pane.rs b/src/ui/sub_views/details_pane.rs
index 9827382..45bc0d7 100644
--- a/src/ui/sub_views/details_pane.rs
+++ b/src/ui/sub_views/details_pane.rs
@@ -1,3 +1,4 @@
+use std::convert::TryFrom;
 use tui::layout::{Constraint, Direction, Layout};
 use tui::text::{Span, Spans, Text};
 use tui::widgets::Paragraph;
@@ -6,7 +7,7 @@ use uuid::Uuid;
 use crate::ui::prelude::*;
 
 use crate::session::{EncodedRequest, RequestPart};
-use crate::ui::views::MessageView;
+use crate::ui::views::{CallstackView, ClientThreadId, MessageView};
 
 #[derive(Clone, Default)]
 pub struct DetailsPane;
@@ -22,6 +23,7 @@ impl DetailsPane
             match key.code {
                 KeyCode::Char('q') => self.create_message_view(req, RequestPart::Request),
                 KeyCode::Char('e') => self.create_message_view(req, RequestPart::Response),
+                KeyCode::Char('s') => self.create_callstack_view(req),
                 _ => None,
             }
         } else {
@@ -61,11 +63,20 @@ impl DetailsPane
         c.x -= 1;
         c.width += 2;
         c.height += 1;
+        let vertical_chunks: Vec<Rect> = if ClientThreadId::try_from(&request.request_msg).is_ok() {
+            Layout::default()
+                .direction(Direction::Vertical)
+                .margin(0)
+                .constraints([Constraint::Percentage(80), Constraint::Percentage(20)].as_ref())
+                .split(block.inner(c))
+        } else {
+            Vec::from([block.inner(c)])
+        };
         let req_resp_chunks = Layout::default()
             .direction(Direction::Horizontal)
             .margin(0)
             .constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref())
-            .split(block.inner(c));
+            .split(vertical_chunks[0]);
 
         f.render_widget(block, chunk);
 
@@ -114,6 +125,16 @@ impl DetailsPane
             offset: 0,
         }
         .draw(ctx, f, req_resp_chunks[1]);
+
+        // The right side view is split vertically only if the client included its process id and thread id in the request
+        // enabling the callstack capture.
+        if vertical_chunks.len() > 1 {
+            CallstackView {
+                request: request.request_data.uuid,
+                offset: 0,
+            }
+            .draw(ctx, f, vertical_chunks[1]);
+        }
     }
 
     fn create_message_view<B: Backend>(
@@ -128,4 +149,17 @@ impl DetailsPane
             offset: 0,
         })))
     }
+
+    fn create_callstack_view<B: Backend>(&mut self, req: &EncodedRequest)
+        -> Option<HandleResult<B>>
+    {
+        if ClientThreadId::try_from(&req.request_msg).is_ok() {
+            Some(HandleResult::PushView(Box::new(CallstackView {
+                request: req.request_data.uuid,
+                offset: 0,
+            })))
+        } else {
+            None
+        }
+    }
 }
diff --git a/src/ui/views.rs b/src/ui/views.rs
index b319503..f2c76c2 100644
--- a/src/ui/views.rs
+++ b/src/ui/views.rs
@@ -6,6 +6,9 @@ pub use main_view::MainView;
 mod message_view;
 pub use message_view::MessageView;
 
+mod callstack_view;
+pub use callstack_view::{CallstackView, ClientThreadId};
+
 pub trait View<B: Backend>
 {
     fn draw(&mut self, ctx: &UiContext, f: &mut Frame<B>, chunk: Rect);
diff --git a/src/ui/views/callstack_view.rs b/src/ui/views/callstack_view.rs
new file mode 100644
index 0000000..056c03d
--- /dev/null
+++ b/src/ui/views/callstack_view.rs
@@ -0,0 +1,125 @@
+use super::prelude::*;
+use crossterm::event::KeyCode;
+use http::HeaderValue;
+use std::convert::TryFrom;
+use tui::widgets::{Paragraph, Wrap};
+use uuid::Uuid;
+
+use crate::session::MessageData;
+
+/// When available, identifies the thread in the calling or client process.
+/// The client should reports its process id with the proxide-client-process-id" header and
+/// the thread id with the "proxide-client-thread-id" header.
+/// This enables the proxide proxy to capture client's callstack when it is making the call if the proxide
+/// and the client are running on the same host.
+pub struct ClientThreadId
+{
+    process_id: u32,
+    thread_id: i64,
+}
+
+pub struct CallstackView
+{
+    pub request: Uuid,
+    pub offset: u16,
+}
+
+impl CallstackView {}
+
+impl<B: Backend> View<B> for CallstackView
+{
+    fn draw(&mut self, ctx: &UiContext, f: &mut Frame<B>, chunk: Rect)
+    {
+        let request = match ctx.data.requests.get_by_uuid(self.request) {
+            Some(r) => r,
+            None => return,
+        };
+
+        let client_thread = match ClientThreadId::try_from(&request.request_msg) {
+            Ok(thread_id) => thread_id,
+            Err(_) => return,
+        };
+
+        let title = format!(
+            "Client call[s]tack, Process: {}, Thread: {}",
+            client_thread.process_id, client_thread.thread_id
+        );
+        let block = create_block(&title);
+        let request_data = Paragraph::new("Unimplemented.")
+            .block(block)
+            .wrap(Wrap { trim: false })
+            .scroll((self.offset, 0));
+        f.render_widget(request_data, chunk);
+    }
+
+    fn on_input(&mut self, _ctx: &UiContext, e: &CTEvent, size: Rect) -> Option<HandleResult<B>>
+    {
+        match e {
+            CTEvent::Key(key) => match key.code {
+                KeyCode::Char('k') | KeyCode::Up => self.offset = self.offset.saturating_sub(1),
+                KeyCode::Char('j') | KeyCode::Down => self.offset = self.offset.saturating_add(1),
+                KeyCode::PageDown => self.offset = self.offset.saturating_add(size.height - 5),
+                KeyCode::PageUp => self.offset = self.offset.saturating_sub(size.height - 5),
+                KeyCode::F(12) => {
+                    return None;
+                }
+                _ => return None,
+            },
+            _ => return None,
+        };
+        Some(HandleResult::Update)
+    }
+
+    fn on_change(&mut self, _ctx: &UiContext, change: &SessionChange) -> bool
+    {
+        match change {
+            SessionChange::NewConnection { .. } => false,
+            SessionChange::Connection { .. } => false,
+            SessionChange::NewRequest { .. } => false,
+            SessionChange::Request { .. } => false,
+            SessionChange::NewMessage { .. } => false,
+            SessionChange::Message { .. } => false,
+        }
+    }
+
+    fn help_text(&self, _state: &UiContext, _size: Rect) -> String
+    {
+        format!(
+            "{}\n{}",
+            "[Up/Down, j/k, PgUp/PgDn]: Scroll; [F12]: Export to file", "[Esc]: Back to main view"
+        )
+    }
+}
+
+impl TryFrom<&MessageData> for ClientThreadId
+{
+    type Error = ();
+
+    fn try_from(value: &MessageData) -> Result<Self, Self::Error>
+    {
+        let process_id: Option<u32> =
+            number_or_none(&value.headers.get("proxide-client-process-id"));
+        let thread_id: Option<i64> = number_or_none(&value.headers.get("proxide-client-thread-id"));
+        match (process_id, thread_id) {
+            (Some(process_id), Some(thread_id)) => Ok(ClientThreadId {
+                process_id,
+                thread_id,
+            }),
+            _ => Err(()),
+        }
+    }
+}
+
+fn number_or_none<N>(header: &Option<&HeaderValue>) -> Option<N>
+where
+    N: std::str::FromStr,
+{
+    if let Some(value) = header {
+        value
+            .to_str()
+            .map(|s| N::from_str(s).map(|n| Some(n)).unwrap_or(None))
+            .unwrap_or(None)
+    } else {
+        None
+    }
+}
diff --git a/test/rust_grpc/.gitignore b/test/rust_grpc/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/test/rust_grpc/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/test/rust_grpc/Cargo.lock b/test/rust_grpc/Cargo.lock
new file mode 100644
index 0000000..a3ec707
--- /dev/null
+++ b/test/rust_grpc/Cargo.lock
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diff --git a/test/rust_grpc/Cargo.toml b/test/rust_grpc/Cargo.toml
new file mode 100644
index 0000000..80387a6
--- /dev/null
+++ b/test/rust_grpc/Cargo.toml
@@ -0,0 +1,43 @@
+[package]
+name = "grpc-tester"
+version = "0.1.0" # Keep the version near the top for CI purposes (release.yml)
+authors = ["Juha Lepola <juha.lepola@gmail.com>"]
+edition = "2021"
+license = "MIT OR Apache-2.0"
+
+[lib]
+name="grpc_tester"
+
+[[bin]]
+name="grpc-generator"
+path= "src/generator.rs"
+
+[[bin]]
+name="grpc-server"
+path="src/server.rs"
+
+[dependencies]
+tonic = "0.10.2"
+prost = "0.12.3"
+prost-types = "0.12.3"
+tokio = {  version = "1.35.0", features = ["macros", "rt-multi-thread"] }
+tokio-shutdown = "0.1.4"
+clap = {  version= "4.4.11", features = ["derive"] }
+portpicker = "0.1.1"
+atomic-counter = "1.0.1"
+os-id = "3.0.1"
+crossbeam-skiplist = "0.1.1"
+
+[dependencies.windows]
+version = "0.52.0"
+features = [
+    "Win32_Foundation",
+    "Win32_System_Threading",
+]
+
+
+[build-dependencies]
+tonic-build = { version = "0.10.2", features = ["prost"] }
+
+[profile.release]
+debug = true
diff --git a/test/rust_grpc/LICENSE-APACHE b/test/rust_grpc/LICENSE-APACHE
new file mode 100644
index 0000000..f433b1a
--- /dev/null
+++ b/test/rust_grpc/LICENSE-APACHE
@@ -0,0 +1,177 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
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+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
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+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
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+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
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+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
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+      or a Contribution incorporated within the Work constitutes direct
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+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
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+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
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+
+      (d) If the Work includes a "NOTICE" text file as part of its
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+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
diff --git a/test/rust_grpc/LICENSE-MIT b/test/rust_grpc/LICENSE-MIT
new file mode 100644
index 0000000..ef2eaae
--- /dev/null
+++ b/test/rust_grpc/LICENSE-MIT
@@ -0,0 +1,15 @@
+// Copyright © 2022 Juha Lepola
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the “Software”),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+// and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+// AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
diff --git a/test/rust_grpc/build.rs b/test/rust_grpc/build.rs
new file mode 100644
index 0000000..d3b637f
--- /dev/null
+++ b/test/rust_grpc/build.rs
@@ -0,0 +1,5 @@
+fn main() -> Result<(), Box<dyn std::error::Error>>
+{
+    tonic_build::compile_protos("proto/rust_grpc.proto")?;
+    Ok(())
+}
diff --git a/test/rust_grpc/proto/rust_grpc.proto b/test/rust_grpc/proto/rust_grpc.proto
new file mode 100644
index 0000000..74cb944
--- /dev/null
+++ b/test/rust_grpc/proto/rust_grpc.proto
@@ -0,0 +1,85 @@
+// Copyright © 2022 Juha Lepola
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the “Software”),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+// and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+// AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+
+syntax = "proto3";
+
+package rust_grpc;
+
+
+option java_multiple_files = true;
+option java_package = "io.grpc.examples.rust_grpc";
+option java_outer_classname = "RustGrpcProto";
+
+import "google/protobuf/duration.proto";
+
+/// Test server
+service TestService {
+
+  /// A test message sent from client to the server.
+  rpc SendMessage (SendMessageRequest) returns (SendMessageResponse) {}
+
+  /// Gets diagnostics from the server such number of messages received.
+  rpc GetDiagnostics (DiagnosticsRequest) returns (DiagnosticsResponse) {}
+
+  /// Blocks until the service has received its first message vai SendMessage.
+  rpc WaitForFirstMessage (WaitForFirstMessageRequest) returns (WaitForFirstMessageResponse) {}
+
+  /// Pings the server / ensures it is available.
+  rpc Ping (PingRequest) returns (PingResponse) {}
+}
+
+message SendMessageRequest {
+}
+
+message SendMessageResponse {
+}
+
+message DiagnosticsRequest {
+}
+
+
+message ClientProcess {
+
+  /// Identifies the process in the system.
+  uint32 id = 1;
+
+  /// Identifies the threads that have called the server from this process.
+  repeated uint64 threads = 2;
+}
+
+message DiagnosticsResponse {
+
+  /// Uptime of the server.
+  google.protobuf.Duration uptime = 1;
+
+  /// Number of times SendMessage has been called since the server was started.
+  uint64 send_message_calls = 2;
+
+  /// Information about the clients that have called the server.
+  repeated ClientProcess clients = 3;
+}
+
+message WaitForFirstMessageRequest {
+}
+
+message WaitForFirstMessageResponse {
+}
+
+message PingRequest {
+}
+
+message PingResponse {
+}
\ No newline at end of file
diff --git a/test/rust_grpc/src/generator.rs b/test/rust_grpc/src/generator.rs
new file mode 100644
index 0000000..cd13818
--- /dev/null
+++ b/test/rust_grpc/src/generator.rs
@@ -0,0 +1,241 @@
+use clap::{arg, Parser};
+use rust_grpc_private::DiagnosticsRequest;
+use rust_grpc_private::{SendMessageRequest, WaitForFirstMessageRequest};
+use std::{thread, time};
+use tokio::sync::mpsc::UnboundedSender;
+use tokio::task::JoinSet;
+use tonic::metadata::MetadataValue;
+use tonic::transport::Channel;
+#[cfg(target_os = "windows")]
+use windows;
+
+mod rust_grpc_private
+{
+    tonic::include_proto!("rust_grpc");
+}
+
+/// Simple program to greet a person.
+#[derive(Parser, Debug, Clone)]
+#[command(author, version)]
+pub struct Args
+{
+    /// Name of the person to greet.
+    #[arg(short, long, default_value = "http://[::1]:50051")]
+    pub address: String,
+
+    /// Period / delay between the messages sent to the server.
+    #[arg(short, long, value_parser = parse_period)]
+    pub period: std::time::Duration,
+
+    /// The number of asynchronous tasks used to send the messages in parallel.
+    #[arg(short, long, default_value_t = 1)]
+    pub tasks: u16,
+}
+
+/// A gRPC message generator that periodically sends messages to the target server.
+pub struct GrpcGenerator
+{
+    generator: Option<thread::JoinHandle<()>>,
+    stop: UnboundedSender<()>,
+}
+
+impl GrpcGenerator
+{
+    /// Stars a new gRPC generator.
+    pub async fn start(args: Args) -> Result<Self, Box<dyn std::error::Error>>
+    {
+        // Start the generator in a separate tokio runtime to ensure its tasks won't interfere with the tests.
+        let address_clone = args.address.to_string();
+        let (generator_started_send, mut generator_started_recv) =
+            tokio::sync::mpsc::unbounded_channel();
+        let (stop_requested_send, mut stop_requested_recv) = tokio::sync::mpsc::unbounded_channel();
+        let generator = thread::spawn(move || {
+            let rt = tokio::runtime::Builder::new_multi_thread()
+                .thread_name("grpc-generator")
+                .enable_all()
+                .build()
+                .expect("Starting runtime for message generator failed.");
+            rt.block_on(async move {
+                spawn(Args {
+                    address: args.address,
+                    period: args.period,
+                    tasks: args.tasks,
+                })
+                .expect("Starting generator failed.");
+                generator_started_send
+                    .send(())
+                    .expect("Sending generator ready failed.");
+                tokio::select! {
+                    _chosen = stop_requested_recv.recv() => {},
+                    _chosen = tokio::signal::ctrl_c() => {},
+                }
+            });
+        });
+        let _ = generator_started_recv.recv().await;
+
+        // Wait for the first message to reach the server.
+        // This improve the robustness of the tests utilizing the generator as the environment is guaranteed to work after this.
+        {
+            let mut client =
+                rust_grpc_private::test_service_client::TestServiceClient::connect(address_clone)
+                    .await?;
+            let _ = client
+                .wait_for_first_message(WaitForFirstMessageRequest {})
+                .await;
+        }
+
+        Ok(GrpcGenerator {
+            generator: Some(generator),
+            stop: stop_requested_send,
+        })
+    }
+
+    /// Stops the gRPC message generation.
+    pub fn stop(&mut self) -> Result<(), Box<dyn std::error::Error>>
+    {
+        let _ = self.stop.send(()); // Fails when called repeatedly as the channel gets dropped.
+        if let Some(generator) = self.generator.take() {
+            if generator.join().is_err() {
+                return Err(Box::<dyn std::error::Error + Send + Sync>::from(
+                    "Waiting for the generator to stop failed.",
+                ));
+            }
+        }
+        Ok(())
+    }
+}
+
+impl Drop for GrpcGenerator
+{
+    fn drop(&mut self)
+    {
+        self.stop().expect("Dropping the generator failed. ");
+    }
+}
+
+/// Spawns a new asynchronous message generation tasks.
+fn spawn(args: Args) -> Result<(), Box<dyn std::error::Error + Send + Sync>>
+{
+    tokio::spawn(async move {
+        generate_messages(args)
+            .await
+            .expect("Spawning gRPC client failed.")
+    });
+    Ok(())
+}
+
+/// Starts sending messages to the server,
+async fn generate_messages(args: Args) -> Result<(), Box<dyn std::error::Error>>
+{
+    // Start the requested number of tasks.
+    // Each task is given a unique client as the generator did not scale properly when the channel was shared
+    // between the clients. The number of requests sent to the peaked at around <6 tasks. (Very rough approximation.)
+    // TODO: Investigate further.
+    let mut tasks: JoinSet<Result<(), Box<dyn std::error::Error + Send + Sync>>> = JoinSet::new();
+    for _t in 0..args.tasks {
+        let client = rust_grpc_private::test_service_client::TestServiceClient::connect(
+            args.address.to_string(),
+        )
+        .await?;
+        tasks.spawn(async move {
+            generate_messages_task(client, args.period).await?;
+            Ok(())
+        });
+    }
+    while let Some(result) = tasks.join_next().await {
+        match result {
+            Ok(_) => {}
+            Err(error) if error.is_cancelled() => {}
+            Err(error) => return Err(Box::new(error)),
+        }
+    }
+
+    Ok(())
+}
+
+/// An asynchronous function which sends messages to the server.
+async fn generate_messages_task(
+    mut client: rust_grpc_private::test_service_client::TestServiceClient<Channel>,
+    period: std::time::Duration,
+) -> Result<(), Box<dyn std::error::Error + Send + Sync>>
+{
+    loop {
+        let mut request = tonic::Request::new(SendMessageRequest {});
+        request.metadata_mut().append(
+            "proxide-client-process-id",
+            MetadataValue::from(std::process::id()),
+        );
+        request.metadata_mut().append(
+            "proxide-client-thread-id",
+            MetadataValue::from(get_current_native_thread_id()),
+        );
+        tokio::select! {
+            chosen = client.send_message(request) => { chosen?; },
+            _chosen = tokio::signal::ctrl_c() => { break; }
+        }
+
+        #[allow(clippy::bool_comparison)]
+        if period.is_zero() == false {
+            tokio::time::sleep(period).await;
+        }
+    }
+    Ok(())
+}
+
+#[tokio::main]
+#[allow(dead_code)]
+async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>>
+{
+    let args = Args::parse();
+    spawn(args.clone())?;
+    tokio::select! {
+        result = report_statistics( args ) => result?,
+        result = tokio::signal::ctrl_c() => result?,
+    }
+    Ok(())
+}
+
+/// Reads period from the command line and converts it into duration.
+fn parse_period(arg: &str) -> Result<std::time::Duration, std::num::ParseIntError>
+{
+    let seconds = arg.parse()?;
+    Ok(std::time::Duration::from_millis(seconds))
+}
+
+/// Reports server statistics to the console.
+async fn report_statistics(args: Args) -> Result<(), Box<dyn std::error::Error + Send + Sync>>
+{
+    let mut client =
+        rust_grpc_private::test_service_client::TestServiceClient::connect(args.address).await?;
+
+    loop {
+        let response = client.get_diagnostics(DiagnosticsRequest {}).await?;
+        let diagnostics = response.get_ref();
+        let server_uptime = time::Duration::try_from(diagnostics.uptime.clone().unwrap())?;
+        let call_rate = diagnostics.send_message_calls as u128 / server_uptime.as_millis();
+        println!(
+            "Call rate: {} calls / ms, processes: {} with {} threads",
+            call_rate,
+            diagnostics.clients.len(),
+            diagnostics
+                .clients
+                .iter()
+                .map(|c| c.threads.len() as u64)
+                .sum::<u64>()
+        );
+
+        tokio::time::sleep(time::Duration::from_secs(2)).await;
+    }
+}
+
+/// Gets the current native thread id.
+pub fn get_current_native_thread_id() -> i64
+{
+    #[cfg(not(target_os = "windows"))]
+    return os_id::thread::get_raw_id() as i64;
+
+    #[cfg(target_os = "windows")]
+    unsafe {
+        return windows::Win32::System::Threading::GetCurrentThreadId() as i64;
+    }
+}
diff --git a/test/rust_grpc/src/lib.rs b/test/rust_grpc/src/lib.rs
new file mode 100644
index 0000000..9e6dad5
--- /dev/null
+++ b/test/rust_grpc/src/lib.rs
@@ -0,0 +1,231 @@
+use crate::server::GrpcServer;
+pub use rust_grpc::{
+    ClientProcess, DiagnosticsRequest, DiagnosticsResponse, SendMessageRequest, SendMessageResponse,
+};
+use std::time;
+use std::time::Duration;
+use tonic::transport::channel::Channel;
+
+pub mod generator;
+pub mod server;
+
+pub mod rust_grpc
+{
+    tonic::include_proto!("rust_grpc");
+}
+
+pub struct Args
+{
+    /// Period / delay between the messages sent to the server.
+    pub period: std::time::Duration,
+
+    /// The number of asynchronous tasks used to send the messages in parallel.
+    pub tasks: u16,
+}
+
+/// Snapshot of statistics of a test run.
+pub struct Statistics
+{
+    /// Uptime of the server associated with the tester.
+    pub server_uptime: std::time::Duration,
+
+    /// Number of "SendMessage" calls the tester has processed.
+    pub send_message_calls_processed: u64,
+
+    /// Information about the clients that have contacted the server.
+    pub clients: Vec<rust_grpc::ClientProcess>,
+}
+
+pub struct GrpcTester
+{
+    server: server::GrpcServer,
+    generator: generator::GrpcGenerator,
+    client: rust_grpc::test_service_client::TestServiceClient<Channel>,
+}
+
+impl GrpcTester
+{
+    /// Gets gRPC client for communicating with the server associated with the tester.
+    pub fn client(&self) -> rust_grpc::test_service_client::TestServiceClient<Channel>
+    {
+        self.client.clone()
+    }
+
+    pub async fn pipe() -> Result<GrpcTester, Box<dyn std::error::Error>>
+    {
+        Self::pipe_with_args(Args {
+            tasks: 1,
+            period: Duration::from_secs(1),
+        })
+        .await
+    }
+
+    /// Creates a new testes which internally pipes data from client to the server.
+    pub async fn pipe_with_args(args: Args) -> Result<GrpcTester, Box<dyn std::error::Error>>
+    {
+        let server = server::GrpcServer::start().await?;
+        let generator = generator::GrpcGenerator::start(generator::Args {
+            address: server.http(),
+            period: args.period,
+            tasks: args.tasks,
+        })
+        .await?;
+        let client =
+            rust_grpc::test_service_client::TestServiceClient::connect(server.http()).await?;
+        Ok(GrpcTester {
+            server,
+            generator,
+            client,
+        })
+    }
+
+    /// Creates a new testes with proxide prozy in-between
+    pub async fn with_proxide(
+        server: GrpcServer,
+        proxide_port: u16,
+        args: Args,
+    ) -> Result<GrpcTester, Box<dyn std::error::Error>>
+    {
+        let generator = generator::GrpcGenerator::start(generator::Args {
+            address: format!("http://[::1]:{}", proxide_port),
+            period: args.period,
+            tasks: args.tasks,
+        })
+        .await?;
+        let client =
+            rust_grpc::test_service_client::TestServiceClient::connect(server.http()).await?;
+        Ok(GrpcTester {
+            server,
+            generator,
+            client,
+        })
+    }
+
+    pub async fn get_statistics(&self) -> Result<Statistics, Box<dyn std::error::Error>>
+    {
+        let diagnostics = self
+            .client
+            .clone()
+            .get_diagnostics(DiagnosticsRequest {})
+            .await?;
+        let diagnostics = diagnostics.get_ref();
+
+        Ok(Statistics {
+            server_uptime: time::Duration::try_from(diagnostics.uptime.clone().unwrap())?,
+            send_message_calls_processed: diagnostics.send_message_calls,
+            clients: diagnostics
+                .clients
+                .clone()
+                .into_iter()
+                .map(|c| ClientProcess {
+                    id: c.id,
+                    threads: c.threads,
+                })
+                .collect(),
+        })
+    }
+
+    /// Stops the gRPC Server
+    pub fn stop(&mut self) -> Result<(), Box<dyn std::error::Error>>
+    {
+        self.generator.stop()?;
+        self.server.stop()?;
+
+        Ok(())
+    }
+
+    /// Stops the message generator and returns server which is left running.
+    pub fn stop_generator(mut self) -> Result<GrpcServer, Box<dyn std::error::Error>>
+    {
+        self.generator.stop()?;
+        Ok(self.server)
+    }
+}
+
+#[cfg(test)]
+mod test
+{
+    use crate::{Args, GrpcTester};
+    use std::time::Duration;
+
+    #[tokio::test]
+    async fn starting_and_stopping_tester_succeeds()
+    {
+        let mut tester = GrpcTester::pipe().await.expect("Starting tester failed.");
+        tester.stop().expect("Stopping tester failed.");
+    }
+
+    #[tokio::test]
+    async fn server_has_valid_uptime()
+    {
+        let mut tester = GrpcTester::pipe().await.expect("Starting tester failed.");
+
+        let statistics = tester
+            .get_statistics()
+            .await
+            .expect("Fetching tester statistics failed.");
+        if statistics.server_uptime.is_zero() {
+            panic!("Uptime of the server cannot be zero.")
+        }
+
+        tester.stop().expect("Stopping tester failed.");
+    }
+
+    #[tokio::test]
+    async fn server_receives_messages()
+    {
+        // Ensure the generator sends messages constantly to minimize the test duration.
+        let mut tester = GrpcTester::pipe_with_args(Args {
+            tasks: 1,
+            period: Duration::from_secs(0),
+        })
+        .await
+        .expect("Starting tester failed.");
+
+        // Ensure the server is reporting increase in the number of processed send_message calls.
+        let statistics_base = tester
+            .get_statistics()
+            .await
+            .expect("Fetching tester statistics failed.");
+        for attempt in 0.. {
+            let statistics = tester
+                .get_statistics()
+                .await
+                .expect("Fetching tester statistics failed.");
+            if statistics.server_uptime <= statistics_base.server_uptime {
+                panic!("Server's uptime should be increasing.")
+            }
+            if statistics.send_message_calls_processed
+                > statistics_base.send_message_calls_processed
+            {
+                break;
+            }
+            if attempt > 100 {
+                panic!("Server did not report any increase in send_message calls.")
+            }
+            tokio::time::sleep(Duration::from_millis(20)).await;
+        }
+        tester.stop().expect("Stopping tester failed.");
+    }
+
+    #[tokio::test]
+    async fn server_collects_generator_thread_id()
+    {
+        // Ensure the generator sends messages constantly to minimize the test duration.
+        let tester = GrpcTester::pipe_with_args(Args {
+            tasks: 1,
+            period: Duration::from_secs(0),
+        })
+        .await
+        .expect("Starting tester failed.");
+
+        // The server should have now received the first send_message call as the tester waits for it before returning.
+        let statistics = tester
+            .get_statistics()
+            .await
+            .expect("Retrieving statistics failed.");
+        assert_eq!(statistics.clients.len(), 1);
+        assert_eq!(statistics.clients[0].id, std::process::id());
+        assert!(statistics.clients[0].threads.len() > 0);
+    }
+}
diff --git a/test/rust_grpc/src/server.rs b/test/rust_grpc/src/server.rs
new file mode 100644
index 0000000..e605bbb
--- /dev/null
+++ b/test/rust_grpc/src/server.rs
@@ -0,0 +1,332 @@
+use atomic_counter::AtomicCounter;
+use clap::Parser;
+use rust_grpc_private::test_service_server::{TestService, TestServiceServer};
+use rust_grpc_private::{
+    ClientProcess, DiagnosticsRequest, DiagnosticsResponse, PingRequest, PingResponse,
+    SendMessageRequest, SendMessageResponse, WaitForFirstMessageRequest,
+    WaitForFirstMessageResponse,
+};
+use std::net::SocketAddr;
+use std::str::FromStr;
+use std::thread;
+use std::time::Instant;
+use tokio::sync::mpsc::UnboundedSender;
+use tokio::sync::watch;
+use tokio::sync::watch::{Receiver, Sender};
+use tonic::metadata::{Ascii, MetadataValue};
+use tonic::transport::Server;
+use tonic::{Request, Response, Status};
+
+mod rust_grpc_private
+{
+    tonic::include_proto!("rust_grpc");
+}
+
+/// A simple gRPC Server for receiving messages
+#[derive(Parser, Debug)]
+#[command(author, version)]
+struct Args
+{
+    /// Network address to listen.
+    #[arg(short, long, default_value = "[::1]:50051")]
+    pub address: String,
+}
+
+/// A gRPC server ready to accept messages
+pub struct GrpcServer
+{
+    address: SocketAddr,
+    server: Option<thread::JoinHandle<()>>,
+    stop: UnboundedSender<()>,
+}
+
+impl GrpcServer
+{
+    /// Starts a new gRPC server.
+    pub async fn start() -> Result<Self, Box<dyn std::error::Error>>
+    {
+        // Start the server in a separate tokio runtime to ensure its tasks won't interfere with the tests.
+        let address: SocketAddr = format!(
+            "[::1]:{}",
+            portpicker::pick_unused_port().expect("No TCP ports available.")
+        )
+        .parse()?;
+        let address_clone = address;
+        let (server_listening_send, mut server_listening_recv) =
+            tokio::sync::mpsc::unbounded_channel();
+        let (stop_requested_send, mut stop_requested_recv) = tokio::sync::mpsc::unbounded_channel();
+        let server = thread::spawn(move || {
+            let rt = tokio::runtime::Builder::new_multi_thread()
+                .thread_name("grpc-server")
+                .enable_all()
+                .build()
+                .expect("Failed to start tokio runtime for grpc-server.");
+            rt.block_on(async move {
+                LocalTestService::spawn(address_clone).expect("gRPC Server failed.");
+                server_listening_send
+                    .send(())
+                    .expect("Sending server ready failed.");
+                tokio::select! {
+                    _chosen = stop_requested_recv.recv() => {},
+                    _chosen = tokio::signal::ctrl_c() => {},
+                }
+            });
+        });
+        let _ = server_listening_recv.recv().await;
+
+        // Ensure the server is ready.
+        let server = GrpcServer {
+            address,
+            server: Some(server),
+            stop: stop_requested_send,
+        };
+        server.wait_for_server_to_listen().await?;
+        Ok(server)
+    }
+
+    /// Gets the server's address.
+    pub fn address(&self) -> &SocketAddr
+    {
+        &self.address
+    }
+
+    /// Gets the HTTP address of the server.
+    pub fn http(&self) -> String
+    {
+        format!("http://{}", &self.address)
+    }
+
+    /// Stops the gRPC server.
+    pub fn stop(&mut self) -> Result<(), Box<dyn std::error::Error>>
+    {
+        let _ = self.stop.send(()); // Fails when called repeatedly as the channel gets dropped.
+        if let Some(server) = self.server.take() {
+            if server.join().is_err() {
+                return Err(Box::<dyn std::error::Error + Send + Sync>::from(
+                    "Waiting for the server to stop failed.",
+                ));
+            }
+        }
+        Ok(())
+    }
+
+    /// Pings the server and ensures it is listening.
+    async fn wait_for_server_to_listen(&self) -> Result<(), Box<dyn std::error::Error>>
+    {
+        // Try to establish connection to the server.
+        const MAX_ATTEMPTS: u32 = 100;
+        for attempt in 1.. {
+            let mut client =
+                match rust_grpc_private::test_service_client::TestServiceClient::connect(
+                    self.http(),
+                )
+                .await
+                {
+                    Ok(client) => client,
+                    Err(_) if attempt < MAX_ATTEMPTS => {
+                        tokio::time::sleep(std::time::Duration::from_millis(20)).await;
+                        continue;
+                    }
+                    Err(error) => return Err(Box::new(error)),
+                };
+            match client.ping(PingRequest {}).await {
+                Ok(_) => {
+                    break; // A message was sent to the server.
+                }
+                Err(_) if attempt < MAX_ATTEMPTS => {
+                    tokio::time::sleep(std::time::Duration::from_millis(20)).await;
+                    continue;
+                }
+                Err(error) => {
+                    return Err(Box::new(error));
+                }
+            };
+        }
+        Ok(())
+    }
+}
+
+impl Drop for GrpcServer
+{
+    fn drop(&mut self)
+    {
+        self.stop().expect("Dropping GrpcServer failed.");
+    }
+}
+
+/// A message sink for the message generator.
+///
+/// Collects statistics about the calls it receives.
+struct LocalTestService
+{
+    /// A watcher for acknowledging that the first "SendMessage" call has been received by the server.
+    message_received_notify: Sender<bool>,
+
+    /// A watcher for checking whether the server has received "SendMessage" call,
+    message_received_check: Receiver<bool>,
+
+    /// Timestamp when the service was created.
+    started: Instant,
+
+    /// The number of send_message calls the service has received.
+    send_message_calls_served: atomic_counter::RelaxedCounter,
+
+    /// Collection of client processes and threads as reported with
+    /// the proxide-client-process-id and proxide-client-thread-id headers
+    clients: crossbeam_skiplist::SkipMap<u32, crossbeam_skiplist::SkipSet<u64>>,
+}
+
+impl LocalTestService
+{
+    /// Spawns the test service in a new asynchronous task.
+    fn spawn(address: SocketAddr) -> Result<(), Box<dyn std::error::Error>>
+    {
+        tokio::spawn(async move {
+            LocalTestService::run(address)
+                .await
+                .expect("Spawning gRPC server failed.")
+        });
+        Ok(())
+    }
+
+    /// Launches the the test service.
+    async fn run(address: SocketAddr) -> Result<(), Box<dyn std::error::Error>>
+    {
+        let (tx, rx) = watch::channel(false);
+        let service = LocalTestService {
+            message_received_notify: tx,
+            message_received_check: rx,
+            started: Instant::now(),
+            send_message_calls_served: atomic_counter::RelaxedCounter::new(0),
+            clients: crossbeam_skiplist::SkipMap::new(),
+        };
+        #[cfg(not(test))]
+        println!("Test server listening on {}", address);
+        Server::builder()
+            .concurrency_limit_per_connection(128)
+            .add_service(TestServiceServer::new(service))
+            .serve_with_shutdown(address, async {
+                tokio::signal::ctrl_c()
+                    .await
+                    .expect("Waiting shutdown failed");
+            })
+            .await?;
+
+        Ok(())
+    }
+}
+
+impl Drop for LocalTestService
+{
+    fn drop(&mut self)
+    {
+        let _ = self.message_received_notify.send(true);
+    }
+}
+
+#[tonic::async_trait]
+impl TestService for LocalTestService
+{
+    async fn send_message(
+        &self,
+        request: Request<SendMessageRequest>,
+    ) -> Result<Response<SendMessageResponse>, Status>
+    {
+        // Avoid unnecessary notifications to reduce CPU <-> CPU communication.
+        self.message_received_notify
+            .send_if_modified(|value: &mut bool| {
+                #[allow(clippy::bool_comparison)]
+                if *value == false {
+                    *value = true;
+                    true
+                } else {
+                    false
+                }
+            });
+        self.send_message_calls_served.inc();
+
+        // Collect the client info.
+        let process_id = request.metadata().get("proxide-client-process-id");
+        let thread_id = request.metadata().get("proxide-client-thread-id");
+        if process_id.is_some() && thread_id.is_some() {
+            let threads = self.clients.get_or_insert(
+                number_from_client(process_id.unwrap())?,
+                crossbeam_skiplist::SkipSet::new(),
+            );
+            threads
+                .value()
+                .insert(number_from_client(thread_id.unwrap())?);
+        }
+        Ok(Response::new(SendMessageResponse {}))
+    }
+
+    async fn get_diagnostics(
+        &self,
+        _request: Request<DiagnosticsRequest>,
+    ) -> Result<Response<DiagnosticsResponse>, Status>
+    {
+        let duration = Instant::now().duration_since(self.started);
+        let duration = match prost_types::Duration::try_from(duration) {
+            Ok(d) => d,
+            Err(_) => return Err(Status::internal("Calculating server uptime failed.")),
+        };
+
+        let clients = self
+            .clients
+            .iter()
+            .map(|c| ClientProcess {
+                id: *c.key(),
+                threads: c.value().iter().map(|e| *e.value()).collect(),
+            })
+            .collect();
+
+        Ok(Response::new(DiagnosticsResponse {
+            uptime: Some(duration),
+            send_message_calls: self.send_message_calls_served.get() as u64,
+            clients,
+        }))
+    }
+
+    /// Waits and blocks until the server has received at least one send_message call.
+    async fn wait_for_first_message(
+        &self,
+        _request: Request<WaitForFirstMessageRequest>,
+    ) -> Result<Response<WaitForFirstMessageResponse>, Status>
+    {
+        self.message_received_check
+            .clone()
+            .wait_for(|value| value == &true)
+            .await
+            .expect("Waiting for the first SendMessage call failed.");
+        Ok(Response::new(WaitForFirstMessageResponse {}))
+    }
+
+    async fn ping(&self, _request: Request<PingRequest>) -> Result<Response<PingResponse>, Status>
+    {
+        Ok(Response::new(PingResponse {}))
+    }
+}
+
+#[tokio::main]
+#[allow(dead_code)]
+async fn main() -> Result<(), Box<dyn std::error::Error>>
+{
+    let args = Args::parse();
+    LocalTestService::spawn(args.address.parse()?)?;
+    tokio::signal::ctrl_c().await?;
+    Ok(())
+}
+
+fn number_from_client<N>(value: &MetadataValue<Ascii>) -> Result<N, Status>
+where
+    N: FromStr,
+{
+    let value = match value.to_str() {
+        Ok(v) => v,
+        Err(_) => return Err(Status::invalid_argument("Header was not a string.")),
+    };
+    match N::from_str(value) {
+        Ok(numbert) => Ok(numbert),
+        Err(_) => Err(Status::invalid_argument("Expected number")),
+    }
+}