Update to log additional information for debugging the exception errors

 - Additional information is Unix domain socket using system call and
   the user (uid, user name) and group (gid, group name) using new function (ms_log_user_group_info)

Change-Id: I0e66a61568fed1f39aa3e1230ac341b7c9ab3b13

2 files changed, 28 insertions, 3 deletions

diff --git a/server/include/muse_server_private.h b/server/include/muse_server_private.h
index 5ccf592..e36603d 100644
--- a/server/include/muse_server_private.h
+++ b/server/include/muse_server_private.h
@@ -34,6 +34,8 @@
 #include "muse_server_workqueue.h"
 #include "muse_server_tool.h"
 #include <systemd/sd-daemon.h>
+#include <pwd.h>
+#include <grp.h>
 
 #ifdef MUSE_TTRACE_LOG
 #include <trace.h>
@@ -104,6 +106,7 @@ void ms_exit_worker(muse_module_h m);
 void ms_respawn(int signo);
 int ms_get_pid(muse_module_h m);
 void ms_log_process_info(int pid);
+void ms_log_user_group_info(void);
 gboolean ms_is_log_enabled(void);
 int ms_kill_thread(int signo);
 gboolean ms_init_bufmgr(void);
diff --git a/server/src/muse_server_private.c b/server/src/muse_server_private.c
index 22530b9..dcc7ab7 100644
--- a/server/src/muse_server_private.c
+++ b/server/src/muse_server_private.c
@@ -180,7 +180,7 @@ static int _ms_new(muse_channel_e channel)
 	fd = socket(AF_UNIX, SOCK_STREAM, 0); /* Unix Domain Socket */
 	if (!muse_core_fd_is_valid(fd)) {
 		strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
-		LOGE("socket failed sock: %s", err_msg);
+		LOGE("socket failed sock (%d) : %s", errno, err_msg);
 		return MUSE_ERR;
 	}
 
@@ -194,7 +194,9 @@ static int _ms_new(muse_channel_e channel)
 	/* Bind to filename */
 	if (bind(fd, (struct sockaddr *)&addr_un, address_len) < 0) {
 		strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
-		LOGE("socket bind failed : %s", err_msg);
+		LOGE("[%d] socket bind failed (%d) %s", fd, errno, err_msg);
+		muse_core_log_file_info(UDS_files[channel]);
+		ms_log_user_group_info();
 		if (errno == EADDRINUSE)
 			unlink(addr_un.sun_path);
 		close(fd);
@@ -203,7 +205,10 @@ static int _ms_new(muse_channel_e channel)
 
 	/* Setup listen queue */
 	if (listen(fd, 5) == MUSE_ERR) {
-		LOGE("listen failed");
+		strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
+		LOGE("[%d] listen failed (%d) %s", fd, errno, err_msg);
+		muse_core_log_file_info(UDS_files[channel]);
+		ms_log_user_group_info();
 		close(fd);
 		return MUSE_ERR;
 	}
@@ -853,6 +858,22 @@ void ms_log_process_info(int pid)
 	ms_log_get_cmd_info(cmd);
 }
 
+void ms_log_user_group_info(void)
+{
+	struct passwd *p;
+	struct group *g;
+	uid_t uid;
+	gid_t gid;
+
+	uid = getuid();
+	gid = getgid();
+
+	p = getpwuid(uid);
+	g = getgrgid(gid);
+
+	LOGE("user [%s : %lu] group [%s : %lu]", p->pw_name, (unsigned long)uid, g->gr_name, (unsigned long)gid);
+}
+
 gboolean ms_is_log_enabled(void)
 {
 	return muse_server->conf->log_enabled;
@@ -865,6 +886,7 @@ gboolean ms_init_bufmgr(void)
 	muse_server->bufmgr = tbm_bufmgr_init(-1);
 	if (!muse_server->bufmgr) {
 		LOGE("Error - tbm_bufmgr_init");
+		ms_log_user_group_info();
 		return FALSE;
 	}