From a875bd4eddb5112110d624ae58f4a82d85d533b9 Mon Sep 17 00:00:00 2001
From: "yoonki.park" <yoonki.park@samsung.com>
Date: Wed, 25 Apr 2012 16:07:15 +0900
Subject: [PATCH] [Title] change sdb connection issue when network is
 unavaliable [Type] [Module] [Priority] [CQ#] [Redmine#] 5125 [Problem]
 [Cause] [Solution] [TestCase]

Change-Id: I9223e0fc202e7c8c5f53be051c5112a8b6ba4933
---
 tizen/src/sdb.c | 66 ++++++++++++++++++++++++++++++++-----------------
 tizen/src/sdb.h |  1 +
 2 files changed, 44 insertions(+), 23 deletions(-)

diff --git a/tizen/src/sdb.c b/tizen/src/sdb.c
index 434c8bdd3b..56d2e74efa 100644
--- a/tizen/src/sdb.c
+++ b/tizen/src/sdb.c
@@ -325,35 +325,55 @@ void sdb_setup(void)
 	}
 }
 
-void notify_sdb_daemon_start(void)
+int sdb_loopback_client(int port, int type)
 {
-	int s;
+    struct sockaddr_in addr;
+    int s;
+
+    memset(&addr, 0, sizeof(addr));
+    addr.sin_family = AF_INET;
+    addr.sin_port = htons(port);
+    addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+
+    s = socket(AF_INET, type, 0);
+    if(s < 0) return -1;
+
+    if(connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+        close(s);
+        return -1;
+    }
+
+    return s;
+
+}
+
+void notify_sdb_daemon_start(void) {
+    int s;
     /* 
      * send a simple message to the SDB host server to tell it we just started.
-	 * it should be listening on port 26099.
-	 */
-    do
-	{
-		char tmp[32] = {0};
-
-		s = tcp_socket_outgoing("127.0.0.1", SDB_HOST_PORT);
-		if (s < 0) {
-			INFO("can't create socket to talk to the SDB server \n");
-			INFO("This emulator will be scaned by the SDB server \n");
-			break;
-		}
+     * it should be listening on port 26099.
+     */
+    do {
+        char tmp[32] = { 0 };
+
+        // when connecting to loopback:26099, do not use tcp_socket_outgoing function
+        // tcp_socket_outgoing may occur "dns name service not known" in case of network unavaliable status.
+        s = sdb_loopback_client(SDB_HOST_PORT, SOCK_STREAM);
+        if (s < 0) {
+            INFO("can't create socket to talk to the SDB server \n");
+            INFO("This emulator will be scaned by the SDB server \n");
+            break;
+        }
+
+        /* length is hex: 0x13 = 19 */
+        sprintf(tmp, "0013host:emulator:%d", tizen_base_port + 1);
 
-		/* length is hex: 0x13 = 19 */
-		sprintf(tmp,"0013host:emulator:%d", tizen_base_port +1);
-		
-        if(socket_send(s, tmp, 30) < 0) {
+        if (socket_send(s, tmp, 30) < 0) {
             ERR( "message sending to sdb server error!\n");
         }
 
-	}
-	while (0);
+    } while (0);
 
-	if (s >= 0)
-		socket_close(s);
-   
+    if (s >= 0)
+        socket_close(s);
 }
diff --git a/tizen/src/sdb.h b/tizen/src/sdb.h
index 49618da561..b30951611e 100644
--- a/tizen/src/sdb.h
+++ b/tizen/src/sdb.h
@@ -110,3 +110,4 @@ int inet_strtoip(const char*  str, uint32_t  *ip);
 int socket_send(int fd, const void*  buf, int  buflen);
 void socket_close(int fd);
 void notify_sdb_daemon_start(void);
+int sdb_loopback_client(int port, int type);
-- 
2.34.1