IXWebSocket/ixwebsocket/IXWebSocketHandshake.h
2019-01-03 18:33:08 -08:00

86 lines
2.9 KiB
C++

/*
* IXWebSocketHandshake.h
* Author: Benjamin Sergeant
* Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
*/
#pragma once
#include "IXCancellationRequest.h"
#include "IXWebSocketHttpHeaders.h"
#include "IXWebSocketPerMessageDeflate.h"
#include "IXWebSocketPerMessageDeflateOptions.h"
#include "IXSocket.h"
#include <string>
#include <atomic>
#include <chrono>
#include <memory>
#include <tuple>
namespace ix
{
struct WebSocketInitResult
{
bool success;
int http_status;
std::string errorStr;
WebSocketHttpHeaders headers;
std::string uri;
WebSocketInitResult(bool s = false,
int status = 0,
const std::string& e = std::string(),
WebSocketHttpHeaders h = WebSocketHttpHeaders(),
const std::string& u = std::string())
{
success = s;
http_status = status;
errorStr = e;
headers = h;
uri = u;
}
};
class WebSocketHandshake {
public:
WebSocketHandshake(std::atomic<bool>& requestInitCancellation,
std::shared_ptr<Socket> _socket,
WebSocketPerMessageDeflate& perMessageDeflate,
WebSocketPerMessageDeflateOptions& perMessageDeflateOptions,
std::atomic<bool>& enablePerMessageDeflate);
WebSocketInitResult clientHandshake(const std::string& url,
const std::string& host,
const std::string& path,
int port,
int timeoutSecs);
WebSocketInitResult serverHandshake(int fd,
int timeoutSecs);
static bool parseUrl(const std::string& url,
std::string& protocol,
std::string& host,
std::string& path,
std::string& query,
int& port);
private:
static void printUrl(const std::string& url);
std::string genRandomString(const int len);
// Parse HTTP headers
std::pair<bool, WebSocketHttpHeaders> parseHttpHeaders(const CancellationRequest& isCancellationRequested);
WebSocketInitResult sendErrorResponse(int code, const std::string& reason);
std::tuple<std::string, std::string, std::string> parseRequestLine(const std::string& line);
std::atomic<bool>& _requestInitCancellation;
std::shared_ptr<Socket> _socket;
WebSocketPerMessageDeflate& _perMessageDeflate;
WebSocketPerMessageDeflateOptions& _perMessageDeflateOptions;
std::atomic<bool>& _enablePerMessageDeflate;
};
}