rtmp: re-add recvtimeout option setting

rtmp/socket.go

@@ -37,6 +37,8 @@ import (
 	"fmt"
 	"log"
 	"net"
+
+	"golang.org/x/sys/unix"
 )
 
 // int RTMP_Connect(RTMP *r, RTMPPacket* cp);
@@ -66,6 +68,17 @@ func C_RTMP_Connect(r *C_RTMP, cp *C_RTMPPacket) (ok bool) {
 		}
 	}
 
+	f, err := r.m_sb.conn.File()
+	if err != nil {
+		log.Printf("failed to get fd to set timeout: %v", err)
+		return false
+	}
+	tv := setTimeval(int(r.Link.timeout))
+	err = unix.SetsockoptTimeval(int(f.Fd()), unix.SOL_SOCKET, unix.SO_RCVTIMEO, &tv)
+	if err != nil {
+		log.Printf("failed to set timeout: %v", err)
+	}
+
 	r.m_bSendCounter = true
 
 	return C_RTMP_Connect1(r, cp)

rtmp/timeval_amd64.go

@@ -0,0 +1,7 @@
+package rtmp
+
+import "golang.org/x/sys/unix"
+
+func setTimeval(sec int) unix.Timeval {
+	return unix.Timeval{Sec: int64(sec)}
+}

rtmp/timeval_arm.go

@@ -0,0 +1,7 @@
+package rtmp
+
+import "golang.org/x/sys/unix"
+
+func setTimeval(sec int) unix.Timeval {
+	return unix.Timeval{Sec: int32(sec)}
+}