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- /* 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, int len, char *message, int opCode);
- typedef void (*ws_onFailureCallback)(struct ws_info *wsInfo, int errorCode);
- typedef struct {
- char *key;
- char *value;
- } header_t;
- typedef struct ws_info {
- int connectionState;
- bool isSecure;
- char *hostname;
- int port;
- char *path;
- char *expectedSecKey;
- header_t *extraHeaders;
- 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_
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