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For #1659, #307, support aliyun slb UDP health check

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This commit is contained in:
winlin 2020-03-24 12:12:41 +08:00
parent 923209b070
commit 0d060a1cec
1 changed files with 24 additions and 4 deletions
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26
trunk/src/app/srs_app_listener.cpp
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@ -144,6 +144,14 @@ srs_error_t SrsUdpListener::cycle()
return srs_error_new(ERROR_SOCKET_READ, "udp read, nread=%d", nread);
}
// Drop UDP health check packet of Aliyun SLB.
// Healthcheck udp check
// @see https://help.aliyun.com/document_detail/27595.html
if (nread == 21 && buf[0] == 0x48 && buf[1] == 0x65 && buf[2] == 0x61 && buf[3] == 0x6c
&& buf[19] == 0x63 && buf[20] == 0x6b) {
continue;
}
if ((err = handler->on_udp_packet((const sockaddr*)&from, nb_from, buf, nread)) != srs_success) {
return srs_error_wrap(err, "handle packet %d bytes", nread);
}
@ -259,7 +267,16 @@ int SrsUdpMuxSocket::recvfrom(srs_utime_t timeout)
fromlen = sizeof(from);
nread = srs_recvfrom(lfd, buf, nb_buf, (sockaddr*)&from, &fromlen, timeout);
// Drop UDP health check packet of Aliyun SLB.
// Healthcheck udp check
// @see https://help.aliyun.com/document_detail/27595.html
if (nread == 21 && buf[0] == 0x48 && buf[1] == 0x65 && buf[2] == 0x61 && buf[3] == 0x6c
&& buf[19] == 0x63 && buf[20] == 0x6b) {
return 0;
}
if (nread > 0) {
// TODO: FIXME: Maybe we should not covert to string for each packet.
char address_string[64];
char port_string[16];
if (getnameinfo((sockaddr*)&from, fromlen,
@ -392,15 +409,18 @@ srs_error_t SrsUdpMuxListener::cycle()
SrsUdpMuxSocket udp_mux_skt(lfd);
if (udp_mux_skt.recvfrom(SRS_UTIME_NO_TIMEOUT) <= 0) {
srs_error("udp recv error");
int nread = udp_mux_skt.recvfrom(SRS_UTIME_NO_TIMEOUT);
if (nread <= 0) {
if (nread < 0) {
srs_warn("udp recv error");
}
// remux udp never return
continue;
}
if ((err = handler->on_udp_packet(&udp_mux_skt)) != srs_success) {
// remux udp never return
srs_error("udp packet handler error:%s", srs_error_desc(err).c_str());
srs_warn("udp packet handler error:%s", srs_error_desc(err).c_str());
continue;
}