From 36467d59d6ecfec9018199e5230153ac4298eecb Mon Sep 17 00:00:00 2001
From: aknockae <amaury.knockaert@polytech-lille.net>
Date: Mon, 19 Jun 2017 00:52:59 +0200
Subject: [PATCH] Fichier d'exemple d'utilisation des websockets côté serveur.

---
 prog/websockets.c | 102 ------------------------------------------------------------------------------------------------------
 1 file changed, 0 insertions(+), 102 deletions(-)
 delete mode 100644 prog/websockets.c

diff --git a/prog/websockets.c b/prog/websockets.c
deleted file mode 100644
index bd9d387..0000000
--- a/prog/websockets.c
+++ /dev/null
@@ -1,102 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <libwebsockets.h>
-
-#define MAX_FRAME_SIZE  1024
-#define WAIT_DELAY      50
-
-
-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 char *reponse = 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_RECEIVE:
-                  // Ici sont traites les messages envoyes par le navigateur
-      printf("received data: %s\n",(char *)in);
-      message=malloc(len+LWS_SEND_BUFFER_PRE_PADDING+LWS_SEND_BUFFER_POST_PADDING);
-
-      if(message==NULL)
-      { 
-        perror("callback_my.malloc"); exit(EXIT_FAILURE); 
-      }
-
-      memcpy(message+LWS_SEND_BUFFER_PRE_PADDING,in,len);
-                  // Declenchement d'un prochain envoi au navigateur
-      msize=len;
-      libwebsocket_callback_on_writable(this,wsi);
-    break;
-
-    case LWS_CALLBACK_SERVER_WRITEABLE:
-                  // Ici sont envoyes les messages au navigateur
-      if(message!= NULL)
-      {
-        char *text = "number : ";
-        int length = strlen (text);
-        unsigned char *buf = malloc(LWS_SEND_BUFFER_PRE_PADDING + length + LWS_SEND_BUFFER_POST_PADDING);
-        memcpy (buf + LWS_SEND_BUFFER_PRE_PADDING, text, length );
-        libwebsocket_write(wsi, buf + LWS_SEND_BUFFER_PRE_PADDING, length, LWS_WRITE_TEXT);
-        free(buf);
-
-        free(message);
-        message = NULL;
-      }
-
-    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) 
-{
-  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);
-  }
-  libwebsocket_context_destroy(context);
-  return 0;
-}
--
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