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				|  |  | -// Copyright (c) 2004-2012 Sergey Lyubka
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				|  |  | -// This file is a part of civetweb project, http://github.com/sunsetbrew/civetweb
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				|  |  | -
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				|  |  | -#include <stdio.h>
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				|  |  | -#include <string.h>
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				|  |  | -#include "civetweb.h"
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				|  |  | -
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				|  |  | -static void websocket_ready_handler(struct mg_connection *conn)
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				|  |  | -{
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				|  |  | -    static const char *message = "server ready";
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				|  |  | -    mg_websocket_write(conn, WEBSOCKET_OPCODE_TEXT, message, strlen(message));
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				|  |  | -}
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				|  |  | -
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				|  |  | -// Arguments:
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				|  |  | -//   flags: first byte of websocket frame, see websocket RFC,
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				|  |  | -//          http://tools.ietf.org/html/rfc6455, section 5.2
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				|  |  | -//   data, data_len: payload data. Mask, if any, is already applied.
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				|  |  | -static int websocket_data_handler(struct mg_connection *conn, int flags,
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				|  |  | -                                  char *data, size_t data_len)
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				|  |  | -{
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				|  |  | -    (void) flags; // Unused
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				|  |  | -    mg_websocket_write(conn, WEBSOCKET_OPCODE_TEXT, data, data_len);
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				|  |  | -
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				|  |  | -    // Returning zero means stoping websocket conversation.
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				|  |  | -    // Close the conversation if client has sent us "exit" string.
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				|  |  | -    return memcmp(data, "exit", 4);
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				|  |  | -}
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				|  |  | -
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				|  |  | -int main(void)
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				|  |  | -{
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				|  |  | -    struct mg_context *ctx;
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				|  |  | -    struct mg_callbacks callbacks;
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				|  |  | -    const char *options[] = {
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				|  |  | -        "listening_ports", "8080",
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				|  |  | -        "document_root", "docroot",
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				|  |  | -        NULL
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				|  |  | -    };
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				|  |  | -
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				|  |  | -    memset(&callbacks, 0, sizeof(callbacks));
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				|  |  | -    callbacks.websocket_ready = websocket_ready_handler;
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				|  |  | -    callbacks.websocket_data = websocket_data_handler;
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				|  |  | -    ctx = mg_start(&callbacks, NULL, options);
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				|  |  | -    getchar();  // Wait until user hits "enter"
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				|  |  | -    mg_stop(ctx);
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				|  |  | -
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				|  |  | -    return 0;
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				|  |  | -}
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