WebSocket
#ifndef __CC_WEBSOCKET_H__
#define __CC_WEBSOCKET_H__
#include "ExtensionMacros.h"
#include "cocos2d.h"
#include "libwebsockets.h"
#include <list>
NS_CC_EXT_BEGIN
class WsThreadHelper;
class WsMessage;
class WebSocket
{
public:
WebSocket();
virtual ~WebSocket();
/**
* @brief Data structure for message
*/
struct Data
{
Data():bytes(NULL), len(0), isBinary(false){}
char* bytes;
int len;
bool isBinary;
};
/**
* @brief Errors in websocket
*/
enum ErrorCode
{
kErrorTimeout = 0,
kErrorConnectionFailure,
kErrorUnknown
};
/**
* @brief The delegate class to process websocket events.
*/
class Delegate
{
public:
virtual ~Delegate() {}
virtual void onOpen(WebSocket* ws) = 0;
virtual void onMessage(WebSocket* ws, const Data& data) = 0;
virtual void onClose(WebSocket* ws) = 0;
virtual void onError(WebSocket* ws, const ErrorCode& error) = 0;
};
/**
* @brief The initialized method for websocket.
* It needs to be invoked right after websocket instance is allocated.
* @param delegate The delegate which want to receive event from websocket.
* @param url The URL of websocket server.
* @return true: Success, false: Failure
*/
bool init(const Delegate& delegate,
const std::string& url,
const std::vector<std::string>* protocols = NULL);
/**
* @brief Sends string data to websocket server.
*/
void send(const std::string& message);
/**
* @brief Sends binary data to websocket server.
*/
void send(const unsigned char* binaryMsg, unsigned int len);
/**
* @brief Closes the connection to server.
*/
void close();
/**
* Websocket state
*/
enum State
{
kStateConnecting = 0,
kStateOpen,
kStateClosing,
kStateClosed
};
/**
* @brief Gets current state of connection.
*/
State getReadyState();
private:
virtual void onSubThreadStarted();
virtual int onSubThreadLoop();
virtual void onSubThreadEnded();
virtual void onUIThreadReceiveMessage(WsMessage* msg);
friend class WebSocketCallbackWrapper;
int onSocketCallback(struct libwebsocket_context *ctx,
struct libwebsocket *wsi,
enum libwebsocket_callback_reasons reason,
void *user, void *in, size_t len);
private:
State _readyState;
std::string _host;
unsigned int _port;
std::string _path;
friend class WsThreadHelper;
WsThreadHelper* _wsHelper;
struct libwebsocket* _wsInstance;
struct libwebsocket_context* _wsContext;
Delegate* _delegate;
int _SSLConnection;
struct libwebsocket_protocols* _wsProtocols;
};
NS_CC_EXT_END
#endif /* defined(__CC_JSB_WEBSOCKET_H__) */
