print textual name of messages exchanged.

src/common.c

@@ -24,6 +24,42 @@
 #include <sys/socket.h>
 #include "common.h"
 
+const char* cmd_request_to_str(unsigned _cmd)
+{
+cmd_request_t cmd = _cmd;
+
+	switch(cmd) {
+	case AUTH_INIT:
+		return "auth init";
+	case AUTH_REP:
+		return "auth reply";
+	case AUTH_REQ:
+		return "auth request";
+	case AUTH_COOKIE_REQ:
+		return "auth cookie request";
+	case AUTH_MSG:
+		return "auth msg";
+	case RESUME_STORE_REQ:
+		return "resume data store request";
+	case RESUME_DELETE_REQ:
+		return "resume data delete request";
+	case RESUME_FETCH_REQ:
+		return "resume data fetch request";
+	case RESUME_FETCH_REP:
+		return "resume data fetch reply";
+	case CMD_UDP_FD:
+		return "udp fd";
+	case CMD_TUN_MTU:
+		return "tun mtu change";
+	case CMD_TERMINATE:
+		return "terminate";
+	case CMD_SESSION_INFO:
+		return "session info";
+	default:
+		return "unknown";
+	}
+}
+
 ssize_t force_write(int sockfd, const void *buf, size_t len)
 {
 int left = len;

src/common.h

@@ -50,5 +50,7 @@ int recv_msg(int fd, uint8_t cmd,
 int recv_socket_msg(int fd, uint8_t cmd, 
 			int *socketfd, void** msg, unpack_func);
 
+const char* cmd_request_to_str(unsigned cmd);
+
 #endif
 

src/main-misc.c

@@ -384,7 +384,8 @@ int handle_commands(main_server_st *s, struct proc_st* proc)
 		return ERR_BAD_COMMAND;
 	}
 
-	mslog(s, proc, LOG_DEBUG, "main received message %u of %u bytes\n", (unsigned)cmd, (unsigned)length);
+	mslog(s, proc, LOG_DEBUG, "main received message '%s' of %u bytes\n", 
+			cmd_request_to_str(cmd), (unsigned)length);
 
 	raw = malloc(length);
 	if (raw == NULL) {

src/main.h

@@ -259,7 +259,7 @@ inline static
 int send_msg_to_worker(main_server_st* s, struct proc_st* proc, uint8_t cmd, 
 	    const void* msg, pack_size_func get_size, pack_func pack)
 {
-	mslog(s, proc, LOG_DEBUG, "sending message %u to worker", (unsigned)cmd);
+	mslog(s, proc, LOG_DEBUG, "sending message '%s' to worker", cmd_request_to_str(cmd));
 	return send_msg(proc->fd, cmd, msg, get_size, pack);
 }
 

src/worker-auth.c

@@ -405,8 +405,6 @@ int auth_cookie(worker_st * ws, void *cookie, size_t cookie_size)
 	msg.cookie.data = cookie;
 	msg.cookie.len = cookie_size;
 
-	oclog(ws, LOG_DEBUG, "sending cookie authentication request");
-
 	ret = send_msg_to_main(ws, AUTH_COOKIE_REQ, &msg,
 			       (pack_size_func)
 			       auth_cookie_request_msg__get_packed_size,

src/worker-resume.c

@@ -93,8 +93,6 @@ SessionResumeFetchMsg msg = SESSION_RESUME_FETCH_MSG__INIT;
 	msg.session_id.len = key.size;
 	msg.session_id.data = key.data;
 
-	oclog(ws, LOG_DEBUG, "sending resumption request (fetch)");
-
 	ret = send_msg_to_main(ws, RESUME_FETCH_REQ, &msg,
 		(pack_size_func)session_resume_fetch_msg__get_packed_size,
 		(pack_func)session_resume_fetch_msg__pack);
@@ -158,8 +156,6 @@ SessionResumeFetchMsg msg = SESSION_RESUME_FETCH_MSG__INIT;
 	msg.session_id.len = key.size;
 	msg.session_id.data = key.data;
 
-	oclog(ws, LOG_DEBUG, "sending resumption request (delete)");
-
 	ret = send_msg_to_main(ws, RESUME_DELETE_REQ, &msg,
 		(pack_size_func)session_resume_fetch_msg__get_packed_size,
 		(pack_func)session_resume_fetch_msg__pack);

src/worker.h

@@ -194,7 +194,7 @@ inline static
 int send_msg_to_main(worker_st *ws, uint8_t cmd, 
 	    const void* msg, pack_size_func get_size, pack_func pack)
 {
-	oclog(ws, LOG_DEBUG, "sending message %u to main", (unsigned)cmd);
+	oclog(ws, LOG_DEBUG, "sending message '%s' to main", cmd_request_to_str(cmd));
 	return send_msg(ws->cmd_fd, cmd, msg, get_size, pack);
 }