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for ossrs#133, rtsp extract tcp/udp listener.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,272 @@ | ||
| /* | ||
| The MIT License (MIT) | ||
| Copyright (c) 2013-2015 winlin | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy of | ||
| this software and associated documentation files (the "Software"), to deal in | ||
| the Software without restriction, including without limitation the rights to | ||
| use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | ||
| the Software, and to permit persons to whom the Software is furnished to do so, | ||
| subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | ||
| FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | ||
| COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | ||
| IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| */ | ||
|
|
||
| #include <srs_app_listener.hpp> | ||
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| #include <sys/types.h> | ||
| #include <sys/socket.h> | ||
| #include <arpa/inet.h> | ||
| #include <signal.h> | ||
| #include <sys/types.h> | ||
| #include <sys/stat.h> | ||
| #include <fcntl.h> | ||
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|
||
| #include <srs_kernel_log.hpp> | ||
| #include <srs_kernel_error.hpp> | ||
| #include <srs_app_server.hpp> | ||
| #include <srs_app_utility.hpp> | ||
|
|
||
| // set the max packet size. | ||
| #define SRS_UDP_MAX_PACKET_SIZE 65535 | ||
|
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||
| // sleep in ms for udp recv packet. | ||
| #define SRS_UDP_PACKET_RECV_CYCLE_INTERVAL_MS 0 | ||
|
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| // nginx also set to 512 | ||
| #define SERVER_LISTEN_BACKLOG 512 | ||
|
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||
| ISrsUdpHandler::ISrsUdpHandler() | ||
| { | ||
| } | ||
|
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||
| ISrsUdpHandler::~ISrsUdpHandler() | ||
| { | ||
| } | ||
|
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||
| ISrsTcpHandler::ISrsTcpHandler() | ||
| { | ||
| } | ||
|
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||
| ISrsTcpHandler::~ISrsTcpHandler() | ||
| { | ||
| } | ||
|
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||
| SrsUdpListener::SrsUdpListener(ISrsUdpHandler* h, int p) | ||
| { | ||
| handler = h; | ||
| port = p; | ||
|
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||
| _fd = -1; | ||
| stfd = NULL; | ||
|
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| nb_buf = SRS_UDP_MAX_PACKET_SIZE; | ||
| buf = new char[nb_buf]; | ||
|
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| pthread = new SrsThread("udp", this, 0, true); | ||
| } | ||
|
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| SrsUdpListener::~SrsUdpListener() | ||
| { | ||
| srs_close_stfd(stfd); | ||
|
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| pthread->stop(); | ||
| srs_freep(pthread); | ||
|
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| // st does not close it sometimes, | ||
| // close it manually. | ||
| close(_fd); | ||
|
|
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| srs_freep(buf); | ||
| } | ||
|
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||
| int SrsUdpListener::fd() | ||
| { | ||
| return _fd; | ||
| } | ||
|
|
||
| int SrsUdpListener::listen() | ||
| { | ||
| int ret = ERROR_SUCCESS; | ||
|
|
||
| if ((_fd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) { | ||
| ret = ERROR_SOCKET_CREATE; | ||
| srs_error("create linux socket error. port=%d, ret=%d", port, ret); | ||
| return ret; | ||
| } | ||
| srs_verbose("create linux socket success. port=%d, fd=%d", port, _fd); | ||
|
|
||
| int reuse_socket = 1; | ||
| if (setsockopt(_fd, SOL_SOCKET, SO_REUSEADDR, &reuse_socket, sizeof(int)) == -1) { | ||
| ret = ERROR_SOCKET_SETREUSE; | ||
| srs_error("setsockopt reuse-addr error. port=%d, ret=%d", port, ret); | ||
| return ret; | ||
| } | ||
| srs_verbose("setsockopt reuse-addr success. port=%d, fd=%d", port, _fd); | ||
|
|
||
| sockaddr_in addr; | ||
| addr.sin_family = AF_INET; | ||
| addr.sin_port = htons(port); | ||
| addr.sin_addr.s_addr = INADDR_ANY; | ||
| if (bind(_fd, (const sockaddr*)&addr, sizeof(sockaddr_in)) == -1) { | ||
| ret = ERROR_SOCKET_BIND; | ||
| srs_error("bind socket error. port=%d, ret=%d", port, ret); | ||
| return ret; | ||
| } | ||
| srs_verbose("bind socket success. port=%d, fd=%d", port, _fd); | ||
|
|
||
| if ((stfd = st_netfd_open_socket(_fd)) == NULL){ | ||
| ret = ERROR_ST_OPEN_SOCKET; | ||
| srs_error("st_netfd_open_socket open socket failed. port=%d, ret=%d", port, ret); | ||
| return ret; | ||
| } | ||
| srs_verbose("st open socket success. port=%d, fd=%d", port, _fd); | ||
|
|
||
| if ((ret = pthread->start()) != ERROR_SUCCESS) { | ||
| srs_error("st_thread_create listen thread error. port=%d, ret=%d", port, ret); | ||
| return ret; | ||
| } | ||
| srs_verbose("create st listen thread success, port=%d", port); | ||
|
|
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| return ret; | ||
| } | ||
|
|
||
| int SrsUdpListener::cycle() | ||
| { | ||
| int ret = ERROR_SUCCESS; | ||
|
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||
| for (;;) { | ||
| // TODO: FIXME: support ipv6, @see man 7 ipv6 | ||
| sockaddr_in from; | ||
| int nb_from = sizeof(sockaddr_in); | ||
| int nread = 0; | ||
|
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||
| if ((nread = st_recvfrom(stfd, buf, nb_buf, (sockaddr*)&from, &nb_from, ST_UTIME_NO_TIMEOUT)) <= 0) { | ||
| srs_warn("ignore recv udp packet failed, nread=%d", nread); | ||
| continue; | ||
| } | ||
|
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||
| if ((ret = handler->on_udp_packet(&from, buf, nread)) != ERROR_SUCCESS) { | ||
| srs_warn("handle udp packet failed. ret=%d", ret); | ||
| continue; | ||
| } | ||
|
|
||
| if (SRS_UDP_PACKET_RECV_CYCLE_INTERVAL_MS > 0) { | ||
| st_usleep(SRS_UDP_PACKET_RECV_CYCLE_INTERVAL_MS * 1000); | ||
| } | ||
| } | ||
|
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| return ret; | ||
| } | ||
|
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| SrsTcpListener::SrsTcpListener(ISrsTcpHandler* h, int p) | ||
| { | ||
| handler = h; | ||
| port = p; | ||
|
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| _fd = -1; | ||
| stfd = NULL; | ||
|
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| pthread = new SrsThread("tcp", this, 0, true); | ||
| } | ||
|
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||
| SrsTcpListener::~SrsTcpListener() | ||
| { | ||
| srs_close_stfd(stfd); | ||
|
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| pthread->stop(); | ||
| srs_freep(pthread); | ||
|
|
||
| // st does not close it sometimes, | ||
| // close it manually. | ||
| close(_fd); | ||
| } | ||
|
|
||
| int SrsTcpListener::fd() | ||
| { | ||
| return _fd; | ||
| } | ||
|
|
||
| int SrsTcpListener::listen() | ||
| { | ||
| int ret = ERROR_SUCCESS; | ||
|
|
||
| if ((_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1) { | ||
| ret = ERROR_SOCKET_CREATE; | ||
| srs_error("create linux socket error. port=%d, ret=%d", port, ret); | ||
| return ret; | ||
| } | ||
| srs_verbose("create linux socket success. port=%d, fd=%d", port, _fd); | ||
|
|
||
| int reuse_socket = 1; | ||
| if (setsockopt(_fd, SOL_SOCKET, SO_REUSEADDR, &reuse_socket, sizeof(int)) == -1) { | ||
| ret = ERROR_SOCKET_SETREUSE; | ||
| srs_error("setsockopt reuse-addr error. port=%d, ret=%d", port, ret); | ||
| return ret; | ||
| } | ||
| srs_verbose("setsockopt reuse-addr success. port=%d, fd=%d", port, _fd); | ||
|
|
||
| sockaddr_in addr; | ||
| addr.sin_family = AF_INET; | ||
| addr.sin_port = htons(port); | ||
| addr.sin_addr.s_addr = INADDR_ANY; | ||
| if (bind(_fd, (const sockaddr*)&addr, sizeof(sockaddr_in)) == -1) { | ||
| ret = ERROR_SOCKET_BIND; | ||
| srs_error("bind socket error. port=%d, ret=%d", port, ret); | ||
| return ret; | ||
| } | ||
| srs_verbose("bind socket success. port=%d, fd=%d", port, _fd); | ||
|
|
||
| if (::listen(_fd, SERVER_LISTEN_BACKLOG) == -1) { | ||
| ret = ERROR_SOCKET_LISTEN; | ||
| srs_error("listen socket error. port=%d, ret=%d", port, ret); | ||
| return ret; | ||
| } | ||
| srs_verbose("listen socket success. port=%d, fd=%d", port, _fd); | ||
|
|
||
| if ((stfd = st_netfd_open_socket(_fd)) == NULL){ | ||
| ret = ERROR_ST_OPEN_SOCKET; | ||
| srs_error("st_netfd_open_socket open socket failed. port=%d, ret=%d", port, ret); | ||
| return ret; | ||
| } | ||
| srs_verbose("st open socket success. port=%d, fd=%d", port, _fd); | ||
|
|
||
| if ((ret = pthread->start()) != ERROR_SUCCESS) { | ||
| srs_error("st_thread_create listen thread error. port=%d, ret=%d", port, ret); | ||
| return ret; | ||
| } | ||
| srs_verbose("create st listen thread success, port=%d", port); | ||
|
|
||
| return ret; | ||
| } | ||
|
|
||
| int SrsTcpListener::cycle() | ||
| { | ||
| int ret = ERROR_SUCCESS; | ||
|
|
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| st_netfd_t client_stfd = st_accept(stfd, NULL, NULL, ST_UTIME_NO_TIMEOUT); | ||
|
|
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| if(client_stfd == NULL){ | ||
| // ignore error. | ||
| srs_error("ignore accept thread stoppped for accept client error"); | ||
| return ret; | ||
| } | ||
| srs_verbose("get a client. fd=%d", st_netfd_fileno(client_stfd)); | ||
|
|
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| if ((ret = handler->on_tcp_client(client_stfd)) != ERROR_SUCCESS) { | ||
| srs_warn("accept client error. ret=%d", ret); | ||
| return ret; | ||
| } | ||
|
|
||
| return ret; | ||
| } | ||
|
|
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