implement) socket

.github/workflows/gtest.yml

@@ -0,0 +1,42 @@
+name: UNIT_TEST
+on: [push]
+jobs:
+  Linux:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: build
+        run: |
+          cmake -S . -B build
+          cmake --build build
+
+      - name: run all tests on Linux
+        run: ./build/unit_test
+
+      - uses: sarisia/actions-status-discord@v1
+        if: always()
+        with:
+          title: "UNIT_TEST_ON_LINUX"
+          webhook: ${{ secrets.DISCORD_WEBHOOK }}
+          status: ${{ job.status }}
+
+  macOS:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: build
+        run: |
+          cmake -S . -B build
+          cmake --build build
+
+      - name: run all tests on macOS
+        run: ./build/unit_test
+
+      - uses: sarisia/actions-status-discord@v1
+        if: always()
+        with:
+          title: "UNIT_TEST_ON_MACOS"
+          webhook: ${{ secrets.DISCORD_WEBHOOK }}
+          status: ${{ job.status }}

.github/workflows/unit_test.yml

@@ -1,4 +1,4 @@
-name: UNIT_TEST
+name: UNIT_TEST_SH
 on: [push]
 jobs:
   run-unit-test:

.gitignore

@@ -6,10 +6,11 @@
 !config
 
 !srcs
-!srcs/**
+!srcs/Socket
 !www
 !includes
 !test
+!playground
 
 !*.cpp
 !*.hpp
@@ -22,8 +23,9 @@
 !Makefile
 !CPPLINT.cfg
 !webserv.drawio
+!CMakeLists.txt
 
 .idea
 .vscode
 .DS_Store
-CMakeLists.txt
+CMakeCache.txt

CMakeLists.txt

@@ -0,0 +1,58 @@
+cmake_minimum_required(VERSION 3.23)
+project(webserv)
+
+set(CMAKE_CXX_STANDARD 98)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_FLAGS "-std=c++98 -Wall -Wextra -Werror -pedantic")
+
+# google test ------------------------------------------------------------------
+include(FetchContent)
+include(GoogleTest)
+
+FetchContent_Declare(
+        googletest
+        DOWNLOAD_EXTRACT_TIMESTAMP true
+        URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
+)
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
+enable_testing()
+
+
+# when you .cpp or .hpp is added, add the following
+#  include, webserv srcs, unit_test_srcs
+# includes ---------------------------------------------------------------------
+include_directories(
+        includes
+        srcs/Socket
+)
+
+# webserv_srcs -----------------------------------------------------------------
+set(webserv_srcs
+        srcs/get_valid_config_file_path.cpp
+        srcs/Socket/Socket.cpp
+)
+
+add_executable(webserv
+        srcs/main.cpp
+        ${webserv_srcs}
+)
+
+# unit_test_srcs ---------------------------------------------------------------
+set (unit_test_srcs
+        test/unit_test/is_valid_file_path/test_get_valid_config_file_path.cpp
+        test/unit_test/TestSocket.cpp
+)
+
+add_executable(unit_test
+        ${webserv_srcs}
+        ${unit_test_srcs}
+        )
+
+# test -------------------------------------------------------------------------
+target_link_libraries(
+        unit_test
+        GTest::gtest_main
+)
+
+gtest_discover_tests(unit_test)

Makefile

@@ -11,6 +11,10 @@ SRCS_DIR	=	srcs
 SRCS		=	main.cpp \
 				get_valid_config_file_path.cpp
 
+#socket
+SOCKET_DIR	=	Socket
+SRCS		+=	$(SOCKET_DIR)/Socket.cpp
+
 
 # OBJS -------------------------------------------------------------------------
 OBJS_DIR	=	objs
@@ -22,21 +26,20 @@ DEPS		=	$(OBJS:%.o=%.d)
 
 
 # INCLUDES ---------------------------------------------------------------------
-INCLUDES_DIR =	includes srcs/includes
+INCLUDES_DIR =	includes \
+				$(SRCS_DIR)/$(SOCKET_DIR)
 INCLUDES	 =	$(addprefix -I, $(INCLUDES_DIR))
 
 
 # RULES ------------------------------------------------------------------------
 .PHONY	: all
-all		: $(OBJS_DIR) $(NAME)
+all		: $(NAME)
 
 $(NAME)	: $(OBJS)
 	$(CXX) $(CXXFLAGS) -o $@ $^
 
-$(OBJS_DIR)		:
-	@mkdir -p $@
-
 $(OBJS_DIR)/%.o	: $(SRCS_DIR)/%.cpp
+	@mkdir -p $$(dirname $@)
 	$(CXX) $(CXXFLAGS) $(INCLUDES) -c -o $@ $<
 
 .PHONY	: clean
@@ -54,9 +57,17 @@ re		: fclean all
 lint	:
 	cpplint --recursive srcs
 
+#.PHONY	: unit
+#unit	:
+#	./test/unit_test/run_unit_test.sh
+
 .PHONY	: unit
 unit	:
-	./test/unit_test/run_unit_test.sh
-
+	#rm -rf build
+	cmake -S . -B build
+	cmake --build build
+	#./build/unit_test 2>/dev/null
+	./build/unit_test
+	#cd build && ctest
 
 -include $(DEPS)

includes/webserv.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
-# define EXECUTABLE_FILE_ONLY_ARGC	1
+#include <string>
+
 # define CONFIG_FILE_GIVEN_ARGC		2
 # define CONFIG_FILE_INDEX			1
 
@@ -10,10 +11,12 @@
 # define PATH_DELIM			'/'
 # define EXTENSION_DELIM	'.'
 
-# define STAT_ERROR	(-1)
+# define STAT_ERROR		(-1)
+# define ERROR			(-1)
+# define OK				0
 
 # define INVALID_ARGUMENT_ERROR_MSG	"[Error] invalid argument"
 # define INVALID_PATH_ERROR_MSG		"[Error] invalid file path"
 
-std::string	get_valid_config_file_path(int argc, char **argv);
+std::string get_valid_config_file_path(const char *path);
 bool		is_valid_config_file_path(const char *path);  // todo: static

playground/.gitignore

@@ -0,0 +1,5 @@
+*
+
+!.gitignore
+!*.cpp
+!*.hpp

playground/playground_socket.cpp

@@ -0,0 +1,69 @@
+#include <fcntl.h>
+#include <netdb.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <cerrno>
+#include <cstring>
+#include <string>
+#include <iostream>
+
+int test_socket(const char *server_ip, const char *server_port) {
+	int errcode;
+	int socket_fd;
+	int ai_family, ai_socktype, ai_protocol;
+	struct addrinfo *addr_info;
+	struct addrinfo	hints = {};
+//	const char *server_ip = "127.0.0.1";
+//	const char *server_port = "65536";
+
+	printf("ip:%s, port:%s\n", server_ip, server_port);
+
+	hints.ai_socktype = SOCK_STREAM;
+	hints.ai_family = AF_UNSPEC;  // allows IPv4 and IPv6
+	hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST | AI_NUMERICSERV;  // socket, IP, PORT
+	hints.ai_protocol = IPPROTO_TCP;
+
+	errcode = getaddrinfo(server_ip, server_port, &hints, &addr_info);
+	if (errcode != 0) {
+		std::cerr << "[Error] getaddrinfo:" << gai_strerror(errcode) << std::endl;
+		return 1;
+	}
+//	std::cout << "errcode:" << errcode << ", " <<
+
+	ai_family = addr_info->ai_family;
+	ai_socktype = addr_info->ai_socktype;
+	ai_protocol = addr_info->ai_protocol;
+	errno = 0;
+	std::cout << "socket" << std::endl;
+	socket_fd = socket(ai_family, ai_socktype, ai_protocol);
+	if (socket_fd == -1) {
+		std::cerr << "[Error] socket:" << strerror(errno) << std::endl;
+		return 1;
+	}
+
+	std::cout << "bind" << std::endl;
+	errno = 0;
+	if (bind(socket_fd, addr_info->ai_addr, addr_info->ai_addrlen) == -1) {
+		std::cerr << "[Error] bind:" << strerror(errno) << std::endl;
+		return 1;
+	}
+
+	std::cout << "listen" << std::endl;
+	if (listen(socket_fd, SOMAXCONN) == -1) {
+		std::cerr << "[Error] listen:" << strerror(errno) << std::endl;
+		return 1;
+	}
+
+	std::cout << "OK" << std::endl;
+	return 0;
+}
+
+// port 0, 0はエラーにならない
+int main() {
+	int ret1 = test_socket("255.255.255.254", "8080");
+	int ret2 = test_socket("255.255.255.254", "8080");
+
+	std::cout << "ret1:" << ret1 << std::endl;
+	std::cout << "ret2:" << ret2 << std::endl;
+}