for #442, add more information for client for api.

@@ -495,7 +495,7 @@ int SrsRtmpConn::stream_service_cycle()
     
     // update the statistic when source disconveried.
     SrsStatistic* stat = SrsStatistic::instance();
-    if ((ret = stat->on_client(_srs_context->get_id(), req, this)) != ERROR_SUCCESS) {
+    if ((ret = stat->on_client(_srs_context->get_id(), req, this, type)) != ERROR_SUCCESS) {
         srs_error("stat client failed. ret=%d", ret);
         return ret;
     }

@@ -181,6 +181,11 @@ void SrsStatisticStream::close()
 SrsStatisticClient::SrsStatisticClient()
 {
     id = 0;
+    stream = NULL;
+    conn = NULL;
+    req = NULL;
+    type = SrsRtmpConnUnknown;
+    create = srs_get_system_time_ms();
 }
 
 SrsStatisticClient::~SrsStatisticClient()
@@ -192,7 +197,17 @@ int SrsStatisticClient::dumps(stringstream& ss)
     int ret = ERROR_SUCCESS;
     
     ss << SRS_JOBJECT_START
-            << SRS_JFIELD_ORG("id", id)
+            << SRS_JFIELD_ORG("id", id) << SRS_JFIELD_CONT
+            << SRS_JFIELD_ORG("vhost", stream->vhost->id) << SRS_JFIELD_CONT
+            << SRS_JFIELD_ORG("stream", stream->id) << SRS_JFIELD_CONT
+            << SRS_JFIELD_STR("ip", req->ip) << SRS_JFIELD_CONT
+            << SRS_JFIELD_STR("pageUrl", req->pageUrl) << SRS_JFIELD_CONT
+            << SRS_JFIELD_STR("swfUrl", req->swfUrl) << SRS_JFIELD_CONT
+            << SRS_JFIELD_STR("tcUrl", req->tcUrl) << SRS_JFIELD_CONT
+            << SRS_JFIELD_STR("url", req->get_stream_url()) << SRS_JFIELD_CONT
+            << SRS_JFIELD_STR("type", srs_client_type_string(type)) << SRS_JFIELD_CONT
+            << SRS_JFIELD_BOOL("publish", srs_client_type_is_publish(type)) << SRS_JFIELD_CONT
+            << SRS_JFIELD_ORG("alive", srs_get_system_time_ms() - create)
         << SRS_JOBJECT_END;
     
     return ret;
@@ -322,7 +337,7 @@ void SrsStatistic::on_stream_close(SrsRequest* req)
     stream->close();
 }
 
-int SrsStatistic::on_client(int id, SrsRequest* req, SrsConnection* conn)
+int SrsStatistic::on_client(int id, SrsRequest* req, SrsConnection* conn, SrsRtmpConnType type)
 {
     int ret = ERROR_SUCCESS;
     
@@ -342,6 +357,8 @@ int SrsStatistic::on_client(int id, SrsRequest* req, SrsConnection* conn)
     
     // got client.
     client->conn = conn;
+    client->req = req;
+    client->type = type;
     stream->nb_clients++;
     vhost->nb_clients++;
 
@@ -464,7 +481,7 @@ int SrsStatistic::dumps_clients(stringstream& ss, int start, int count)
     
     ss << SRS_JARRAY_START;
     std::map<int, SrsStatisticClient*>::iterator it = clients.begin();
-    for (int i = 0; i < count && it != clients.end(); it++) {
+    for (int i = 0; i < start + count && it != clients.end(); it++, i++) {
         if (i < start) {
             continue;
         }

@@ -34,6 +34,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <string>
 
 #include <srs_kernel_codec.hpp>
+#include <srs_rtmp_stack.hpp>
 
 class SrsKbps;
 class SrsRequest;
@@ -113,7 +114,10 @@ struct SrsStatisticClient
 public:
     SrsStatisticStream* stream;
     SrsConnection* conn;
+    SrsRequest* req;
+    SrsRtmpConnType type;
     int id;
+    int64_t create;
 public:
     SrsStatisticClient();
     virtual ~SrsStatisticClient();
@@ -183,8 +187,9 @@ public:
      * @param id, the client srs id.
      * @param req, the client request object.
      * @param conn, the physical absract connection object.
+     * @param type, the type of connection.
      */
-    virtual int on_client(int id, SrsRequest* req, SrsConnection* conn);
+    virtual int on_client(int id, SrsRequest* req, SrsConnection* conn, SrsRtmpConnType type);
     /**
      * client disconnect
      * @remark the on_disconnect always call, while the on_client is call when

@@ -1747,12 +1747,17 @@ string srs_client_type_string(SrsRtmpConnType type)
 {
     switch (type) {
         case SrsRtmpConnPlay: return "Play";
-        case SrsRtmpConnFlashPublish: return "publish(FlashPublish)";
-        case SrsRtmpConnFMLEPublish: return "publish(FMLEPublish)";
+        case SrsRtmpConnFlashPublish: return "flash-publish)";
+        case SrsRtmpConnFMLEPublish: return "fmle-publish";
         default: return "Unknown";
     }
 }
 
+bool srs_client_type_is_publish(SrsRtmpConnType type)
+{
+    return type != SrsRtmpConnPlay;
+}
+
 SrsHandshakeBytes::SrsHandshakeBytes()
 {
     c0c1 = s0s1s2 = c2 = NULL;

@@ -622,6 +622,7 @@ enum SrsRtmpConnType
     SrsRtmpConnFlashPublish,
 };
 std::string srs_client_type_string(SrsRtmpConnType type);
+bool srs_client_type_is_publish(SrsRtmpConnType type);
 
 /**
  * store the handshake bytes,

@@ -247,7 +247,7 @@ int srs_write_large_iovs(ISrsProtocolReaderWriter* skt, iovec* iovs, int size, s
     // for srs-librtmp, @see https://github.com/simple-rtmp-server/srs/issues/213
 #ifndef _WIN32
     // for linux, generally it's 1024.
-    static int limits = sysconf(_SC_IOV_MAX);
+    static int limits = (int)sysconf(_SC_IOV_MAX);
 #else
     static int limits = 1024;
 #endif