fix: fd should be 8 bytes

Signed-off-by: Felix Hilgers <[email protected]>

rust/backend/common/src/lib.rs

@@ -31,12 +31,12 @@ pub struct SysSendmsgCall {
     pub pid: u32,
     pub tid: u32,
     pub begin_time_stamp: u64,
-    pub fd: i32,
+    pub fd: u64,
     pub duration_nano_sec: u64, // in nanoseconds
 }
 
 impl SysSendmsgCall {
-    pub fn new(pid: u32, tid: u32, begin_time_stamp: u64, fd: i32, duration_nano_sec: u64) -> Self {
+    pub fn new(pid: u32, tid: u32, begin_time_stamp: u64, fd: u64, duration_nano_sec: u64) -> Self {
         Self { pid, tid, begin_time_stamp, fd, duration_nano_sec }
     }
 }
@@ -47,4 +47,4 @@ pub fn generate_id(pid: u32, tgid: u32) -> u64{
     let tgid_u64 = tgid as u64;
 
     (pid_u64 << 32) | tgid_u64
-}
+}

rust/backend/ebpf/src/sys_sendmsg.rs

@@ -18,15 +18,15 @@ static SYS_SENDMSG_TIMESTAMPS: HashMap<u64, SysSendmsgIntern> = HashMap::with_ma
 
 struct SysSendmsgIntern {
     begin_time_stamp: u64,
-    fd: i32,
+    fd: u64,
 }
 
 #[tracepoint]
 pub fn sys_enter_sendmsg(ctx: TracePointContext) -> u32 {
     let id = generate_id(ctx.pid(), ctx.tgid());
 
     let begin_time_stamp;
-    let fd: i32;
+    let fd: u64;
     unsafe {
         fd = match ctx.read_at(16) {
             Ok(arg) => arg,
@@ -84,4 +84,4 @@ pub fn sys_exit_sendmsg(ctx: TracePointContext) -> u32 {
 
 
     0
-}
+}

rust/shared/proto/ziofa.proto

@@ -67,6 +67,6 @@ message SysSendmsgEvent {
     uint32 pid = 1;
     uint32 tid = 2;
     uint64 begin_time_stamp = 3;
-    int32 fd = 4;
+    uint64 fd = 4;
     uint64 duration_micro_sec = 5;
 }