refine simple rtmp client for post flv stream.

@@ -183,7 +183,7 @@ int SrsDynamicHttpConn::do_proxy(ISrsHttpResponseReader* rr, SrsFlvDecoder* dec)
     while (!rr->eof()) {
         pprint->elapse();
         
-        if ((ret = sdk->connect(output)) != ERROR_SUCCESS) {
+        if ((ret = sdk->connect(output, SRS_CONSTS_RTMP_RECV_TIMEOUT_US)) != ERROR_SUCCESS) {
             return ret;
         }
         
@@ -206,6 +206,7 @@ int SrsDynamicHttpConn::do_proxy(ISrsHttpResponseReader* rr, SrsFlvDecoder* dec)
             return ret;
         }
         
+        // TODO: FIXME: for post flv, reconnect when error.
         if ((ret = sdk->rtmp_write_packet(type, time, data, size)) != ERROR_SUCCESS) {
             if (!srs_is_client_gracefully_close(ret)) {
                 srs_error("flv: proxy rtmp packet failed. ret=%d", ret);

@@ -92,7 +92,7 @@ SrsSimpleRtmpClient::~SrsSimpleRtmpClient()
     srs_freep(transport);
 }
 
-int SrsSimpleRtmpClient::connect(string url)
+int SrsSimpleRtmpClient::connect(string url, int64_t timeout)
 {
     int ret = ERROR_SUCCESS;
     
@@ -110,15 +110,15 @@ int SrsSimpleRtmpClient::connect(string url)
     }
     
     // connect host.
-    if ((ret = transport->connect(req->host, req->port, ST_UTIME_NO_TIMEOUT)) != ERROR_SUCCESS) {
+    if ((ret = transport->connect(req->host, req->port, timeout)) != ERROR_SUCCESS) {
         return ret;
     }
     
     srs_freep(client);
     client = new SrsRtmpClient(transport);
     
-    client->set_recv_timeout(SRS_CONSTS_RTMP_RECV_TIMEOUT_US);
-    client->set_send_timeout(SRS_CONSTS_RTMP_SEND_TIMEOUT_US);
+    client->set_recv_timeout(timeout);
+    client->set_send_timeout(timeout);
     
     // connect to vhost/app
     if ((ret = client->handshake()) != ERROR_SUCCESS) {

@@ -71,7 +71,7 @@ public:
     SrsSimpleRtmpClient();
     virtual ~SrsSimpleRtmpClient();
 public:
-    virtual int connect(std::string url);
+    virtual int connect(std::string url, int64_t timeout);
     virtual void close();
 public:
     virtual int rtmp_write_packet(char type, u_int32_t timestamp, char* data, int size);