90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
|
/* Websocket client implementation
|
||
|
|
*
|
||
|
|
* Copyright (c) 2016 Luís Fonseca <miguelluisfonseca@gmail.com>
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _WEBSOCKET_H_
|
||
|
|
#define _WEBSOCKET_H_
|
||
|
|
|
||
|
|
#include "osapi.h"
|
||
|
|
#include "user_interface.h"
|
||
|
|
#include "espconn.h"
|
||
|
|
#include "mem.h"
|
||
|
|
#include "limits.h"
|
||
|
|
#include "stdlib.h"
|
||
|
|
|
||
|
|
#if defined(USES_SDK_BEFORE_V140)
|
||
|
|
#define espconn_send espconn_sent
|
||
|
|
#define espconn_secure_send espconn_secure_sent
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct ws_info;
|
||
|
|
|
||
|
|
typedef void (*ws_onConnectionCallback)(struct ws_info *wsInfo);
|
||
|
|
typedef void (*ws_onReceiveCallback)(struct ws_info *wsInfo, char *message, int opCode);
|
||
|
|
typedef void (*ws_onFailureCallback)(struct ws_info *wsInfo, int errorCode);
|
||
|
|
|
||
|
|
typedef struct ws_info {
|
||
|
|
int connectionState;
|
||
|
|
|
||
|
|
bool isSecure;
|
||
|
|
char *hostname;
|
||
|
|
int port;
|
||
|
|
char *path;
|
||
|
|
char *expectedSecKey;
|
||
|
|
|
||
|
|
struct espconn *conn;
|
||
|
|
void *reservedData;
|
||
|
|
int knownFailureCode;
|
||
|
|
|
||
|
|
char *frameBuffer;
|
||
|
|
int frameBufferLen;
|
||
|
|
|
||
|
|
char *payloadBuffer;
|
||
|
|
int payloadBufferLen;
|
||
|
|
int payloadOriginalOpCode;
|
||
|
|
|
||
|
|
os_timer_t timeoutTimer;
|
||
|
|
int unhealthyPoints;
|
||
|
|
|
||
|
|
ws_onConnectionCallback onConnection;
|
||
|
|
ws_onReceiveCallback onReceive;
|
||
|
|
ws_onFailureCallback onFailure;
|
||
|
|
} ws_info;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Attempts to estabilish a websocket connection to the given url.
|
||
|
|
*/
|
||
|
|
void ws_connect(ws_info *wsInfo, const char *url);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Sends a message with a given opcode.
|
||
|
|
*/
|
||
|
|
void ws_send(ws_info *wsInfo, int opCode, const char *message, unsigned short length);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Disconnects existing conection and frees memory.
|
||
|
|
*/
|
||
|
|
void ws_close(ws_info *wsInfo);
|
||
|
|
|
||
|
|
#endif // _WEBSOCKET_H_
|