mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-22 19:00:01 +08:00
实现websocket客户端模板
This commit is contained in:
xiongziliang
parent
3095075749
commit
644905a374
@ -1 +1 @@
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Subproject commit 0b406073125080ab8edd13ee7c14e573e54baa35
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Subproject commit 91246bb01475c7336040a4b7ec35d0584887f365
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@ -1,288 +0,0 @@
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#include "WebSocketClient.h"
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int mediakit::WebSocketClient::send(const string& buf)
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{
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if (_sock)
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{
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if (_WSClientStatus == WORKING)
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{
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_session->send(buf);
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return 0;
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}
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else
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{
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return -1;
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}
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}
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}
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void mediakit::WebSocketClient::clear()
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{
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_method.clear();
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_path.clear();
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_parser.Clear();
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_recvedBodySize = 0;
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_totalBodySize = 0;
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_aliveTicker.resetTime();
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_chunkedSplitter.reset();
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HttpRequestSplitter::reset();
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}
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const std::string & mediakit::WebSocketClient::responseStatus() const
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{
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return _parser.Url();
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}
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const mediakit::WebSocketClient::HttpHeader & mediakit::WebSocketClient::responseHeader() const
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{
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return _parser.getValues();
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}
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const mediakit::Parser& mediakit::WebSocketClient::response() const
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{
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return _parser;
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}
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const std::string & mediakit::WebSocketClient::getUrl() const
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{
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return _url;
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}
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int64_t mediakit::WebSocketClient::onResponseHeader(const string &status, const HttpHeader &headers)
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{
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DebugL << status;
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//无Content-Length字段时默认后面全是content
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return -1;
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}
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void mediakit::WebSocketClient::onResponseBody(const char *buf, int64_t size, int64_t recvedSize, int64_t totalSize)
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{
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DebugL << size << " " << recvedSize << " " << totalSize;
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}
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void mediakit::WebSocketClient::onResponseCompleted()
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{
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DebugL;
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}
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int64_t mediakit::WebSocketClient::onRecvHeader(const char *data, uint64_t len)
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{
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_parser.Parse(data);
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if (_parser.Url() == "101")
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{
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switch (_WSClientStatus)
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{
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case HANDSHAKING:
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{
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StrCaseMap& valueMap = _parser.getValues();
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auto key = valueMap.find("Sec-WebSocket-Accept");
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if (key != valueMap.end() && key->second.length() > 0) {
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onConnect(SockException());
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}
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break;
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}
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}
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return -1;
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}
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else
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{
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shutdown(SockException(Err_shutdown, _parser.Url().c_str()));
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return 0;
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}
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return -1;
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}
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void mediakit::WebSocketClient::onRecvContent(const char *data, uint64_t len)
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{
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if (_chunkedSplitter) {
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_chunkedSplitter->input(data, len);
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return;
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}
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auto recvedBodySize = _recvedBodySize + len;
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if (_totalBodySize < 0) {
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//不限长度的content,最大支持INT64_MAX个字节
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onResponseBody(data, len, recvedBodySize, INT64_MAX);
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_recvedBodySize = recvedBodySize;
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return;
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}
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//固定长度的content
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if (recvedBodySize < _totalBodySize) {
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//content还未接收完毕
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onResponseBody(data, len, recvedBodySize, _totalBodySize);
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_recvedBodySize = recvedBodySize;
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return;
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}
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//content接收完毕
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onResponseBody(data, _totalBodySize - _recvedBodySize, _totalBodySize, _totalBodySize);
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bool biggerThanExpected = recvedBodySize > _totalBodySize;
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onResponseCompleted_l();
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if (biggerThanExpected) {
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//声明的content数据比真实的小，那么我们只截取前面部分的并断开链接
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shutdown(SockException(Err_shutdown, "http response content size bigger than expected"));
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}
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}
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void mediakit::WebSocketClient::onConnect(const SockException &ex)
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{
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_aliveTicker.resetTime();
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if (ex) {
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onDisconnect(ex);
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return;
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}
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//先假设http客户端只会接收一点点数据（只接受http头，节省内存）
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_sock->setReadBuffer(std::make_shared<BufferRaw>(1 * 1024));
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_totalBodySize = 0;
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_recvedBodySize = 0;
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HttpRequestSplitter::reset();
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_chunkedSplitter.reset();
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if (_WSClientStatus == WSCONNECT)
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{
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//Websocket握手
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string random = get_random(16);
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auto Sec_WebSocket_Key = encodeBase64(SHA1::encode_bin(random));
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_key = Sec_WebSocket_Key;
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string p = generate_websocket_client_handshake(_ip.c_str(), _port, _url.c_str(), _key.c_str());
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TcpClient::send(p);
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_WSClientStatus = HANDSHAKING;
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}
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else if (_WSClientStatus == HANDSHAKING)
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{
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_WSClientStatus = WORKING;
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}
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onFlush();
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}
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void mediakit::WebSocketClient::onRecv(const Buffer::Ptr &pBuf)
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{
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_aliveTicker.resetTime();
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if (_WSClientStatus == HANDSHAKING || _WSClientStatus == WSCONNECT)
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HttpRequestSplitter::input(pBuf->data(), pBuf->size());
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else if (_WSClientStatus == WORKING)
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{
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WebSocketSplitter::decode((uint8_t *)pBuf->data(), pBuf->size());
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}
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}
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void mediakit::WebSocketClient::onErr(const SockException &ex)
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{
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_session->onError(ex);
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onDisconnect(ex);
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}
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void mediakit::WebSocketClient::onManager()
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{
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if (_WSClientStatus != WORKING)
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{
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if (_fTimeOutSec > 0 && _aliveTicker.elapsedTime() > _fTimeOutSec * 1000) {
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//超时
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shutdown(SockException(Err_timeout, "ws server respone timeout"));
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}
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}
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else
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_session->onManager();
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}
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std::string mediakit::WebSocketClient::generate_websocket_client_handshake(const char* ip, uint16_t port, const char * path, const char * key)
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{
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/**
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* @brief 业务数据被分片的单片最大大小， 等于 65535 - 14 - 1
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*/
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#define DATA_FRAME_MAX_LEN 65520
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#define HANDSHAKE_SIZE 1024
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char buf[HANDSHAKE_SIZE] = { 0 };
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snprintf(buf, HANDSHAKE_SIZE,
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"GET %s HTTP/1.1\r\n"
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"Host: %s:%d\r\n"
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"Upgrade: websocket\r\n"
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"Connection: Upgrade\r\n"
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"Sec-WebSocket-Key: %s\r\n"
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"Sec-WebSocket-Version: 13\r\n"
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"\r\n",
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path, ip, port, key);
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string temBuf(buf);
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return temBuf;
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}
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std::string mediakit::WebSocketClient::get_random(size_t n)
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{
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random_device rd;
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_StrPrinter printer;
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for (int i = 0; i < n; i++)
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{
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unsigned int rnd = rd();
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printer << rnd % 9;
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}
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return string(printer);
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}
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void mediakit::WebSocketClient::onWebSocketDecodeHeader(const WebSocketHeader &packet)
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{
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//新包，原来的包残余数据清空掉
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_remian_data.clear();
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if (_firstPacket) {
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//这是个WebSocket会话而不是普通的Http会话
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_firstPacket = false;
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//此处截取数据并进行websocket协议打包
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}
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}
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void mediakit::WebSocketClient::onWebSocketDecodePlayload(const WebSocketHeader &packet, const uint8_t *ptr, uint64_t len, uint64_t recved)
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{
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_remian_data.append((char *)ptr, len);
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}
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void mediakit::WebSocketClient::onWebSocketDecodeComplete(const WebSocketHeader &header_in)
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{
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WebSocketHeader& header = const_cast<WebSocketHeader&>(header_in);
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auto flag = header._mask_flag;
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header._mask_flag = false;
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switch (header._opcode) {
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case WebSocketHeader::CLOSE: {
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shutdown(SockException(Err_timeout, "session timeouted"));
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}
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break;
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case WebSocketHeader::PING: {
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const_cast<WebSocketHeader&>(header)._opcode = WebSocketHeader::PONG;
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WebSocketSplitter::encode(header, (uint8_t *)_remian_data.data(), _remian_data.size());
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}
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break;
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case WebSocketHeader::CONTINUATION: {
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}
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break;
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case WebSocketHeader::TEXT:
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case WebSocketHeader::BINARY: {
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BufferString::Ptr buffer = std::make_shared<BufferString>(_remian_data);
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_session->onRecv(buffer);
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}
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break;
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default:
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break;
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}
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_remian_data.clear();
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header._mask_flag = flag;
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}
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void mediakit::WebSocketClient::onWebSocketEncodeData(const uint8_t *ptr, uint64_t len)
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{
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TcpClient::send(string((char*)ptr, len));
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}
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void mediakit::WebSocketClient::onResponseCompleted_l()
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{
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_totalBodySize = 0;
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_recvedBodySize = 0;
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onResponseCompleted();
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}
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@ -1,205 +1,326 @@
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#ifndef Http_WebSocketClient_h
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/*
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#define Http_WebSocketClient_h
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* MIT License
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*
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* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef ZLMEDIAKIT_WebSocketClient_H
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#define ZLMEDIAKIT_WebSocketClient_H
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#include <stdio.h>
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#include <string.h>
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#include <functional>
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#include <memory>
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#include "Util/util.h"
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#include "Util/util.h"
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#include "Util/mini.h"
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#include "Network/TcpClient.h"
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#include "Common/Parser.h"
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#include "HttpRequestSplitter.h"
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#include "HttpCookie.h"
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#include "HttpChunkedSplitter.h"
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#include "strCoding.h"
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#include "Http/HttpClient.h"
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#include "Http/WebSocketSplitter.h"
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#include "Http/WebSocketSession.h"
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#include <cstdlib>
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#include <random>
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#include "Common/config.h"
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#include "Util/SHA1.h"
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#include "Util/base64.h"
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#include "Util/base64.h"
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#include "Util/SHA1.h"
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#include "Network/TcpClient.h"
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#include "HttpClientImp.h"
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using namespace std;
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#include "WebSocketSplitter.h"
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using namespace toolkit;
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using namespace toolkit;
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namespace mediakit {
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namespace mediakit{
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/**
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template <typename ClientType,WebSocketHeader::Type DataType>
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* @brief 客户端的状态
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class HttpWsClient;
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*/
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typedef enum WSClientStatus {
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WSCONNECT,
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HANDSHAKING, ///握手中
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WORKING, ///工作中
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} WSClientStatus;
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class WebSocketClient : public TcpClient , public HttpRequestSplitter, public WebSocketSplitter
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template <typename ClientType,WebSocketHeader::Type DataType>
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{
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class ClientTypeImp : public ClientType {
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public:
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public:
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typedef StrCaseMap HttpHeader;
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typedef function<int(const Buffer::Ptr &buf)> onBeforeSendCB;
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typedef std::shared_ptr<WebSocketClient> Ptr;
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friend class HttpWsClient<ClientType,DataType>;
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WebSocketClient() :_WSClientStatus(WSCONNECT) {}
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virtual ~WebSocketClient() {}
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template <typename SessionType>
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void startConnect(const string &strUrl, uint16_t iPort, float fTimeOutSec = 3)
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{
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_ip = strUrl;
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_port = iPort;
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TcpClient::startConnect(strUrl, iPort, fTimeOutSec);
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typedef function<int(const Buffer::Ptr &buf)> onBeforeSendCB;
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/**
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* 该类实现了TcpSession派生类发送数据的截取
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* 目的是发送业务数据前进行websocket协议的打包
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*/
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class SessionImp : public SessionType {
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public:
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SessionImp(const Socket::Ptr &pSock) :SessionType(pSock) {}
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~SessionImp() {}
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/**
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* 设置发送数据截取回调函数
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|
||||||
* @param cb 截取回调函数
|
|
||||||
*/
|
|
||||||
void setOnBeforeSendCB(const onBeforeSendCB &cb) {
|
|
||||||
_beforeSendCB = cb;
|
|
||||||
}
|
|
||||||
protected:
|
|
||||||
/**
|
|
||||||
* 重载send函数截取数据
|
|
||||||
* @param buf 需要截取的数据
|
|
||||||
* @return 数据字节数
|
|
||||||
*/
|
|
||||||
int send(const Buffer::Ptr &buf) override {
|
|
||||||
if (_beforeSendCB) {
|
|
||||||
return _beforeSendCB(buf);
|
|
||||||
}
|
|
||||||
return SessionType::send(buf);
|
|
||||||
}
|
|
||||||
private:
|
|
||||||
onBeforeSendCB _beforeSendCB;
|
|
||||||
};
|
|
||||||
std::shared_ptr<SessionImp> temSession = std::make_shared<SessionImp>(_sock);
|
|
||||||
//此处截取数据并进行websocket协议打包
|
|
||||||
weak_ptr<WebSocketClient> weakSelf = dynamic_pointer_cast<WebSocketClient>(WebSocketClient::shared_from_this());
|
|
||||||
|
|
||||||
_sock->setOnErr([weakSelf](const SockException &ex) {
|
|
||||||
auto strongSelf = weakSelf.lock();
|
|
||||||
if (!strongSelf) {
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
strongSelf->onErr(ex);
|
|
||||||
});
|
|
||||||
|
|
||||||
temSession->setOnBeforeSendCB([weakSelf](const Buffer::Ptr &buf) {
|
|
||||||
auto strongSelf = weakSelf.lock();
|
|
||||||
if (strongSelf) {
|
|
||||||
WebSocketHeader header;
|
|
||||||
header._fin = true;
|
|
||||||
header._reserved = 0;
|
|
||||||
header._opcode = WebSocketHeader::BINARY;
|
|
||||||
header._mask_flag = false;
|
|
||||||
strongSelf->WebSocketSplitter::encode(header, (uint8_t *)buf->data(), buf->size());
|
|
||||||
}
|
|
||||||
return buf->size();
|
|
||||||
});
|
|
||||||
_session = temSession;
|
|
||||||
_session->onManager();
|
|
||||||
}
|
|
||||||
|
|
||||||
virtual int send(const string& buf);
|
|
||||||
|
|
||||||
virtual void clear();
|
|
||||||
|
|
||||||
const string &responseStatus() const;
|
|
||||||
|
|
||||||
const HttpHeader &responseHeader() const;
|
|
||||||
|
|
||||||
const Parser& response() const;
|
|
||||||
|
|
||||||
const string &getUrl() const;
|
|
||||||
|
|
||||||
|
template<typename ...ArgsType>
|
||||||
|
ClientTypeImp(ArgsType &&...args): ClientType(std::forward<ArgsType>(args)...){}
|
||||||
|
~ClientTypeImp() override {};
|
||||||
protected:
|
protected:
|
||||||
virtual int64_t onResponseHeader(const string &status,const HttpHeader &headers);;
|
/**
|
||||||
|
* 发送前拦截并打包为websocket协议
|
||||||
|
* @param buf
|
||||||
|
* @return
|
||||||
|
*/
|
||||||
|
int send(const Buffer::Ptr &buf) override{
|
||||||
|
if(_beforeSendCB){
|
||||||
|
return _beforeSendCB(buf);
|
||||||
|
}
|
||||||
|
return ClientType::send(buf);
|
||||||
|
}
|
||||||
|
/**
|
||||||
|
* 设置发送数据截取回调函数
|
||||||
|
* @param cb 截取回调函数
|
||||||
|
*/
|
||||||
|
void setOnBeforeSendCB(const onBeforeSendCB &cb){
|
||||||
|
_beforeSendCB = cb;
|
||||||
|
}
|
||||||
|
private:
|
||||||
|
onBeforeSendCB _beforeSendCB;
|
||||||
|
};
|
||||||
|
|
||||||
virtual void onResponseBody(const char *buf,int64_t size,int64_t recvedSize,int64_t totalSize);;
|
template <typename ClientType,WebSocketHeader::Type DataType = WebSocketHeader::TEXT>
|
||||||
|
class HttpWsClient : public HttpClientImp , public WebSocketSplitter{
|
||||||
|
public:
|
||||||
|
typedef shared_ptr<HttpWsClient> Ptr;
|
||||||
|
|
||||||
|
HttpWsClient(ClientTypeImp<ClientType,DataType> &delegate) : _delegate(delegate){
|
||||||
|
_Sec_WebSocket_Key = encodeBase64(SHA1::encode_bin(makeRandStr(16, false)));
|
||||||
|
}
|
||||||
|
~HttpWsClient(){}
|
||||||
|
|
||||||
|
void startWsClient(const string &ws_url,float fTimeOutSec){
|
||||||
|
string http_url = ws_url;
|
||||||
|
replace(http_url,"ws://","http://");
|
||||||
|
replace(http_url,"wss://","https://");
|
||||||
|
setMethod("GET");
|
||||||
|
addHeader("Upgrade","websocket");
|
||||||
|
addHeader("Connection","Upgrade");
|
||||||
|
addHeader("Sec-WebSocket-Version","13");
|
||||||
|
addHeader("Sec-WebSocket-Key",_Sec_WebSocket_Key);
|
||||||
|
_onRecv = nullptr;
|
||||||
|
sendRequest(http_url,fTimeOutSec);
|
||||||
|
}
|
||||||
|
protected:
|
||||||
|
//HttpClientImp override
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 收到http回复头
|
||||||
|
* @param status 状态码，譬如:200 OK
|
||||||
|
* @param headers http头
|
||||||
|
* @return 返回后续content的长度；-1:后续数据全是content；>=0:固定长度content
|
||||||
|
* 需要指出的是，在http头中带有Content-Length字段时，该返回值无效
|
||||||
|
*/
|
||||||
|
int64_t onResponseHeader(const string &status,const HttpHeader &headers) override {
|
||||||
|
if(status == "101"){
|
||||||
|
auto Sec_WebSocket_Accept = encodeBase64(SHA1::encode_bin(_Sec_WebSocket_Key + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"));
|
||||||
|
if(Sec_WebSocket_Accept == const_cast<HttpHeader &>(headers)["Sec-WebSocket-Accept"]){
|
||||||
|
//success
|
||||||
|
onWebSocketException(SockException());
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
shutdown(SockException(Err_shutdown,StrPrinter << "Sec-WebSocket-Accept mismatch"));
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
shutdown(SockException(Err_shutdown,StrPrinter << "bad http status code:" << status));
|
||||||
|
return 0;
|
||||||
|
};
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* 接收http回复完毕,
|
* 接收http回复完毕,
|
||||||
*/
|
*/
|
||||||
virtual void onResponseCompleted();
|
void onResponseCompleted() override {}
|
||||||
|
|
||||||
|
//TcpClient override
|
||||||
|
|
||||||
|
void onManager() override {
|
||||||
|
if(_onRecv){
|
||||||
|
//websocket连接成功了
|
||||||
|
_delegate.onManager();
|
||||||
|
} else{
|
||||||
|
//websocket连接中...
|
||||||
|
HttpClientImp::onManager();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
//数据全部发送完毕后回调
|
||||||
|
void onFlush() override{
|
||||||
|
if(_onRecv){
|
||||||
|
//websocket连接成功了
|
||||||
|
_delegate.onFlush();
|
||||||
|
} else{
|
||||||
|
//websocket连接中...
|
||||||
|
HttpClientImp::onFlush();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* http链接断开回调
|
* tcp连接结果
|
||||||
* @param ex 断开原因
|
* @param ex
|
||||||
*/
|
*/
|
||||||
virtual void onDisconnect(const SockException &ex){}
|
void onConnect(const SockException &ex) override{
|
||||||
|
if(ex){
|
||||||
|
//tcp连接失败，直接返回失败
|
||||||
|
onWebSocketException(ex);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
//开始websocket握手
|
||||||
|
HttpClientImp::onConnect(ex);
|
||||||
|
}
|
||||||
|
|
||||||
//HttpRequestSplitter override
|
/**
|
||||||
int64_t onRecvHeader(const char *data, uint64_t len) override;
|
* tcp收到数据
|
||||||
|
* @param pBuf
|
||||||
|
*/
|
||||||
|
void onRecv(const Buffer::Ptr &pBuf) override{
|
||||||
|
if(_onRecv){
|
||||||
|
//完成websocket握手后，拦截websocket数据
|
||||||
|
_onRecv(pBuf);
|
||||||
|
}else{
|
||||||
|
//websocket握手数据
|
||||||
|
HttpClientImp::onRecv(pBuf);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
void onRecvContent(const char *data, uint64_t len) override;
|
//tcp连接断开
|
||||||
|
void onErr(const SockException &ex) override{
|
||||||
|
//tcp断开或者shutdown导致的断开
|
||||||
|
onWebSocketException(ex);
|
||||||
|
}
|
||||||
|
|
||||||
protected:
|
//WebSocketSplitter override
|
||||||
virtual void onConnect(const SockException &ex) override;
|
/**
|
||||||
|
* 收到一个webSocket数据包包头，后续将继续触发onWebSocketDecodePlayload回调
|
||||||
|
* @param header 数据包头
|
||||||
|
*/
|
||||||
|
void onWebSocketDecodeHeader(const WebSocketHeader &header) override{
|
||||||
|
_payload.clear();
|
||||||
|
}
|
||||||
|
|
||||||
virtual void onRecv(const Buffer::Ptr &pBuf) override;
|
/**
|
||||||
|
* 收到webSocket数据包负载
|
||||||
|
* @param header 数据包包头
|
||||||
|
* @param ptr 负载数据指针
|
||||||
|
* @param len 负载数据长度
|
||||||
|
* @param recved 已接收数据长度(包含本次数据长度)，等于header._playload_len时则接受完毕
|
||||||
|
*/
|
||||||
|
void onWebSocketDecodePlayload(const WebSocketHeader &header, const uint8_t *ptr, uint64_t len, uint64_t recved) override{
|
||||||
|
_payload.append((char *)ptr,len);
|
||||||
|
}
|
||||||
|
|
||||||
virtual void onErr(const SockException &ex) override;
|
|
||||||
|
|
||||||
virtual void onFlush() override {};
|
/**
|
||||||
|
* 接收到完整的一个webSocket数据包后回调
|
||||||
|
* @param header 数据包包头
|
||||||
|
*/
|
||||||
|
void onWebSocketDecodeComplete(const WebSocketHeader &header_in) override{
|
||||||
|
WebSocketHeader& header = const_cast<WebSocketHeader&>(header_in);
|
||||||
|
auto flag = header._mask_flag;
|
||||||
|
//websocket客户端发送数据需要加密
|
||||||
|
header._mask_flag = true;
|
||||||
|
|
||||||
virtual void onManager() override;
|
switch (header._opcode){
|
||||||
|
case WebSocketHeader::CLOSE:{
|
||||||
|
//服务器主动关闭
|
||||||
|
WebSocketSplitter::encode(header,nullptr);
|
||||||
|
shutdown(SockException(Err_eof,"websocket server close the connection"));
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case WebSocketHeader::PING:{
|
||||||
|
//心跳包
|
||||||
|
header._opcode = WebSocketHeader::PONG;
|
||||||
|
WebSocketSplitter::encode(header,std::make_shared<BufferString>(std::move(_payload)));
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case WebSocketHeader::CONTINUATION:{
|
||||||
|
|
||||||
protected:
|
}
|
||||||
string generate_websocket_client_handshake(const char* ip, uint16_t port, const char * path, const char * key);
|
break;
|
||||||
|
case WebSocketHeader::TEXT:
|
||||||
|
case WebSocketHeader::BINARY:{
|
||||||
|
//接收完毕websocket数据包，触发onRecv事件
|
||||||
|
_delegate.onRecv(std::make_shared<BufferString>(std::move(_payload)));
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
_payload.clear();
|
||||||
|
header._mask_flag = flag;
|
||||||
|
}
|
||||||
|
|
||||||
string get_random(size_t n);
|
/**
|
||||||
|
* websocket数据编码回调
|
||||||
|
* @param ptr 数据指针
|
||||||
|
* @param len 数据指针长度
|
||||||
|
*/
|
||||||
|
void onWebSocketEncodeData(const Buffer::Ptr &buffer) override{
|
||||||
|
HttpClientImp::send(buffer);
|
||||||
|
}
|
||||||
|
private:
|
||||||
|
void onWebSocketException(const SockException &ex){
|
||||||
|
if(!ex){
|
||||||
|
//websocket握手成功
|
||||||
|
//此处截取TcpClient派生类发送的数据并进行websocket协议打包
|
||||||
|
weak_ptr<HttpWsClient> weakSelf = dynamic_pointer_cast<HttpWsClient>(shared_from_this());
|
||||||
|
_delegate.setOnBeforeSendCB([weakSelf](const Buffer::Ptr &buf){
|
||||||
|
auto strongSelf = weakSelf.lock();
|
||||||
|
if(strongSelf){
|
||||||
|
WebSocketHeader header;
|
||||||
|
header._fin = true;
|
||||||
|
header._reserved = 0;
|
||||||
|
header._opcode = DataType;
|
||||||
|
//客户端需要加密
|
||||||
|
header._mask_flag = true;
|
||||||
|
strongSelf->WebSocketSplitter::encode(header,buf);
|
||||||
|
}
|
||||||
|
return buf->size();
|
||||||
|
});
|
||||||
|
//触发连接成功事件
|
||||||
|
_delegate._sock = HttpClientImp::_sock;
|
||||||
|
_delegate.onConnect(ex);
|
||||||
|
//拦截websocket数据接收
|
||||||
|
_onRecv = [this](const Buffer::Ptr &pBuf){
|
||||||
|
WebSocketSplitter::decode((uint8_t*)pBuf->data(),pBuf->size());
|
||||||
|
};
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
void onWebSocketDecodeHeader(const WebSocketHeader &packet) override;
|
//websocket握手失败或者tcp连接失败或者中途断开
|
||||||
|
if(_onRecv){
|
||||||
|
//握手成功之后的中途断开
|
||||||
|
_onRecv = nullptr;
|
||||||
|
_delegate.onErr(ex);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
void onWebSocketDecodePlayload(const WebSocketHeader &packet, const uint8_t *ptr, uint64_t len, uint64_t recved) override;
|
//websocket握手失败或者tcp连接失败
|
||||||
|
_delegate.onConnect(ex);
|
||||||
void onWebSocketDecodeComplete(const WebSocketHeader &header_in) override;
|
}
|
||||||
|
|
||||||
virtual void onWebSocketEncodeData(const uint8_t *ptr, uint64_t len);
|
|
||||||
|
|
||||||
private:
|
private:
|
||||||
void onResponseCompleted_l();
|
string _Sec_WebSocket_Key;
|
||||||
|
function<void(const Buffer::Ptr &pBuf)> _onRecv;
|
||||||
protected:
|
ClientTypeImp<ClientType,DataType> &_delegate;
|
||||||
bool _isHttps;
|
string _payload;
|
||||||
private:
|
|
||||||
string _ip;
|
|
||||||
int _port;
|
|
||||||
string _url;
|
|
||||||
string _method;
|
|
||||||
string _path;
|
|
||||||
//recv
|
|
||||||
int64_t _recvedBodySize;
|
|
||||||
int64_t _totalBodySize;
|
|
||||||
Parser _parser;
|
|
||||||
string _lastHost;
|
|
||||||
Ticker _aliveTicker;
|
|
||||||
float _fTimeOutSec = 0;
|
|
||||||
std::shared_ptr<HttpChunkedSplitter> _chunkedSplitter;
|
|
||||||
|
|
||||||
std::string _key; ///客户端的key
|
|
||||||
WSClientStatus _WSClientStatus; ///客户端状态
|
|
||||||
bool _firstPacket = true;
|
|
||||||
string _remian_data;
|
|
||||||
|
|
||||||
std::shared_ptr<TcpSession> _session;
|
|
||||||
|
|
||||||
};
|
};
|
||||||
|
|
||||||
} /* namespace mediakit */
|
template <typename ClientType,WebSocketHeader::Type DataType = WebSocketHeader::TEXT,bool userWSS = false >
|
||||||
|
class WebSocketClient : public ClientTypeImp<ClientType,DataType>{
|
||||||
|
public:
|
||||||
|
typedef std::shared_ptr<WebSocketClient> Ptr;
|
||||||
|
|
||||||
#endif /* Http_HttpClient_h */
|
template<typename ...ArgsType>
|
||||||
|
WebSocketClient(ArgsType &&...args) : ClientTypeImp<ClientType,DataType>(std::forward<ArgsType>(args)...){
|
||||||
|
_wsClient.reset(new HttpWsClient<ClientType,DataType>(*this));
|
||||||
|
}
|
||||||
|
~WebSocketClient() override {}
|
||||||
|
|
||||||
|
void startConnect(const string &strUrl, uint16_t iPort, float fTimeOutSec = 3) override {
|
||||||
|
string ws_url;
|
||||||
|
if(userWSS){
|
||||||
|
ws_url = StrPrinter << "wss://" + strUrl << ":" << iPort << "/" ;
|
||||||
|
}else{
|
||||||
|
ws_url = StrPrinter << "ws://" + strUrl << ":" << iPort << "/" ;
|
||||||
|
}
|
||||||
|
_wsClient->startWsClient(ws_url,fTimeOutSec);
|
||||||
|
}
|
||||||
|
private:
|
||||||
|
typename HttpWsClient<ClientType,DataType>::Ptr _wsClient;
|
||||||
|
};
|
||||||
|
|
||||||
|
}//namespace mediakit
|
||||||
|
#endif //ZLMEDIAKIT_WebSocketClient_H
|
||||||
|
|||||||
84
tests/test_wsClient.cpp
Normal file
84
tests/test_wsClient.cpp
Normal file
@ -0,0 +1,84 @@
|
|||||||
|
/*
|
||||||
|
* MIT License
|
||||||
|
*
|
||||||
|
* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
|
||||||
|
*
|
||||||
|
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
|
||||||
|
*
|
||||||
|
* 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 <signal.h>
|
||||||
|
#include <string>
|
||||||
|
#include <iostream>
|
||||||
|
#include "Util/MD5.h"
|
||||||
|
#include "Util/logger.h"
|
||||||
|
#include "Http/WebSocketClient.h"
|
||||||
|
using namespace std;
|
||||||
|
using namespace toolkit;
|
||||||
|
using namespace mediakit;
|
||||||
|
|
||||||
|
class EchoTcpClient : public TcpClient {
|
||||||
|
public:
|
||||||
|
EchoTcpClient(const EventPoller::Ptr &poller = nullptr){
|
||||||
|
InfoL;
|
||||||
|
}
|
||||||
|
~EchoTcpClient() override {
|
||||||
|
InfoL;
|
||||||
|
}
|
||||||
|
protected:
|
||||||
|
void onRecv(const Buffer::Ptr &pBuf) override {
|
||||||
|
DebugL << pBuf->toString();
|
||||||
|
}
|
||||||
|
//被动断开连接回调
|
||||||
|
void onErr(const SockException &ex) override {
|
||||||
|
WarnL << ex.what();
|
||||||
|
}
|
||||||
|
//tcp连接成功后每2秒触发一次该事件
|
||||||
|
void onManager() override {
|
||||||
|
send("echo test!");
|
||||||
|
DebugL << "send echo test";
|
||||||
|
}
|
||||||
|
//连接服务器结果回调
|
||||||
|
void onConnect(const SockException &ex) override{
|
||||||
|
DebugL << ex.what();
|
||||||
|
}
|
||||||
|
|
||||||
|
//数据全部发送完毕后回调
|
||||||
|
void onFlush() override{
|
||||||
|
DebugL;
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
int main(int argc, char *argv[]) {
|
||||||
|
//设置退出信号处理函数
|
||||||
|
static semaphore sem;
|
||||||
|
signal(SIGINT, [](int) { sem.post(); });// 设置退出信号
|
||||||
|
|
||||||
|
//设置日志
|
||||||
|
Logger::Instance().add(std::make_shared<ConsoleChannel>());
|
||||||
|
Logger::Instance().setWriter(std::make_shared<AsyncLogWriter>());
|
||||||
|
|
||||||
|
WebSocketClient<EchoTcpClient>::Ptr client = std::make_shared<WebSocketClient<EchoTcpClient> >();
|
||||||
|
client->startConnect("127.0.0.1",80);
|
||||||
|
|
||||||
|
sem.wait();
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user