From 1941f554756ddaca1752ab7d6927c34a2f33a3a3 Mon Sep 17 00:00:00 2001
From: runner365 <shi.weibd@hotmail.com>
Date: Wed, 5 Feb 2020 21:21:12 +0800
Subject: [PATCH] if there isn't srt connect, it needn't epoll wait

---
 trunk/src/srt/srt_handle.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/trunk/src/srt/srt_handle.cpp b/trunk/src/srt/srt_handle.cpp
index ea25b2c83..918ba4ff8 100644
--- a/trunk/src/srt/srt_handle.cpp
+++ b/trunk/src/srt/srt_handle.cpp
@@ -236,6 +236,10 @@ void srt_handle::onwork()
             add_newconn(msg.conn_ptr, msg.events);
         }
 
+        if (_conn_map.empty()) {
+            std::this_thread::sleep_for(std::chrono::milliseconds(10));
+            continue;
+        }
         check_alive();
 
         ret = srt_epoll_wait(_handle_pollid, read_fds, &rfd_num, write_fds, &wfd_num, 
@@ -243,7 +247,6 @@ void srt_handle::onwork()
         if (ret < 0) {
             srs_info("srt handle epoll is timeout, ret=%d, srt_now_ms=%ld", 
                 ret, srt_now_ms);
-            std::this_thread::sleep_for(std::chrono::milliseconds(30));
             continue;
         }