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projetSC/testV5.c 2.19 KB
1f48dd44   mdelapor   mise en ligne du ...
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  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <libwebsockets.h>
  #include <stdbool.h>
  
  #define MAX_FRAME_SIZE  1024
  #define WAIT_DELAY      50
  
  bool send;
  
  static int callback_http(
    struct libwebsocket_context *this,
    struct libwebsocket *wsi,enum libwebsocket_callback_reasons reason,
    void *user,void *in,size_t len)
  {
  return 0;
  }
  
  static int callback_my(
    struct libwebsocket_context * this,
    struct libwebsocket *wsi,enum libwebsocket_callback_reasons reason,
    void *user,void *in,size_t len)
  {
  static char *message=NULL;
  static int msize=0;
  switch(reason){
    case LWS_CALLBACK_ESTABLISHED:
      printf("connection established\n");
      message=NULL;
                  // Declenchement d'un prochain envoi au navigateur
      libwebsocket_callback_on_writable(this,wsi);
      break;
    case LWS_CALLBACK_SERVER_WRITEABLE:
                  // Ici sont envoyes les messages au navigateur
      if(send){
        char *out="a"+LWS_SEND_BUFFER_PRE_PADDING;
  printf("test1\n");
        libwebsocket_write(wsi,(unsigned char *)out,1,LWS_WRITE_TEXT);
  printf("test2\n");
  send = false;
        }
        libwebsocket_callback_on_writable(this, wsi);
      break;
    default:
      break;
    }
  return 0;
  }
  
  static struct libwebsocket_protocols protocols[] = {
    {
      "http-only",   // name
      callback_http, // callback
      0,             // data size
      0              // maximum frame size
    },
    {"myprotocol",callback_my,0,MAX_FRAME_SIZE},
    {NULL,NULL,0,0}
    };
  
  int main(void) {
  char *out="a"+LWS_SEND_BUFFER_PRE_PADDING;
  int port=9000;
  struct lws_context_creation_info info;
  memset(&info,0,sizeof info);
  info.port=port;
  info.protocols=protocols;
  info.gid=-1;
  info.uid=-1;
  struct libwebsocket_context *context=libwebsocket_create_context(&info);
  if(context==NULL){
    fprintf(stderr, "libwebsocket init failed\n");
    return -1;
    }
  printf("starting server...\n");
  while(1){
    libwebsocket_service(context,WAIT_DELAY);
    int cpt;
    bool boole;
    boole = 1;
    for (cpt = 0; cpt < 50000; cpt++);
  
      boole = !boole;
  
      if(boole)
        system("sudo cp Level-complete-sound-effect.mp3 ./sound.mp3");
      else
        system("sudo cp Raindrops-noise.mp3 ./sound.mp3");
  
  send = true;
  
    }
  libwebsocket_context_destroy(context);
  return 0;
  }