refine ingester pithy print

@@ -345,12 +345,11 @@ void SrsIngester::ingester()
     }
     
     // reportable
-    if (!pithy_print->can_print()) {
-        return;
-    }
-    
+    if (pithy_print->can_print()) {
         // TODO: FIXME: show more info.
-    srs_trace("-> time=%"PRId64", ingesters=%d", pithy_print->age(), (int)ingesters.size());
+        srs_trace("-> "SRS_LOG_ID_INGESTER
+            " time=%"PRId64", ingesters=%d", pithy_print->age(), (int)ingesters.size());
+    }
 }
 
 int SrsIngester::on_reload_vhost_added(string vhost)

@@ -156,5 +156,7 @@ extern ISrsThreadContext* _srs_context;
 #define SRS_LOG_ID_CLIENT_PUBLISH "CPB"
 // web/flash publish to edge/origin
 #define SRS_LOG_ID_WEB_PUBLISH "WPB"
+// ingester for edge(play)/origin
+#define SRS_LOG_ID_INGESTER "IGS"
 
 #endif

@@ -47,6 +47,7 @@ public:
     virtual void set_recv_timeout(int64_t timeout_us) = 0;
     virtual int64_t get_recv_timeout() = 0;
     virtual int64_t get_recv_bytes() = 0;
+    // TODO: FIXME: remove this interface.
     virtual int get_recv_kbps() = 0;
 };
 
@@ -63,6 +64,7 @@ public:
     virtual void set_send_timeout(int64_t timeout_us) = 0;
     virtual int64_t get_send_timeout() = 0;
     virtual int64_t get_send_bytes() = 0;
+    // TODO: FIXME: remove this interface.
     virtual int get_send_kbps() = 0;
     virtual int writev(const iovec *iov, int iov_size, ssize_t* nwrite) = 0;
 };