From c52321a52b378ed35b880341d021f40073df09e8 Mon Sep 17 00:00:00 2001
From: Matteo Cypriani <matteo.cypriani@univ-fcomte.fr>
Date: Fri, 26 Aug 2011 11:27:37 +0200
Subject: [PATCH] [UDP-HTTP] Use error codes from owlps.h

---
 owlps-udp-to-http/owlps-udp-to-http.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/owlps-udp-to-http/owlps-udp-to-http.c b/owlps-udp-to-http/owlps-udp-to-http.c
index 86ef279..1b24d73 100644
--- a/owlps-udp-to-http/owlps-udp-to-http.c
+++ b/owlps-udp-to-http/owlps-udp-to-http.c
@@ -110,7 +110,7 @@ int main(int argc, char *argv[])
   if (ret)
     {
       perror("Cannot create the TCP server thread") ;
-      ret = 1 ;
+      ret = OWL_ERR_THREAD_CREATE ;
       goto exit ;
     }
 
@@ -156,14 +156,14 @@ int receive_udp()
   /* Open the UDP socket */
   udp_sockfd = owl_create_udp_listening_socket(OWL_DEFAULT_RESULT_PORT) ;
   if (udp_sockfd < 0)
-    return 1 ;
+    return OWL_ERR_SOCKET_CREATE ;
 
   /* UDP read loop */
   while (owl_run)
     {
       result = owl_receive_position(udp_sockfd) ;
       if (result == NULL)
-        return 1 ;
+        return OWL_ERR_SOCKET_RECV ;
       owl_print_result(result) ;
       store_result(result) ;
       printf("--------------\n") ;
@@ -232,7 +232,7 @@ int init_tcp_socket()
   if (tcp_sockfd < 0)
     {
       perror("Error opening the TCP socket") ;
-      return tcp_sockfd ;
+      return OWL_ERR_SOCKET_CREATE ;
     }
 
   bzero((char *) &server_addr, sizeof(server_addr)) ;
@@ -245,7 +245,7 @@ int init_tcp_socket()
            sizeof(server_addr)) < 0)
     {
       perror("Error binding the TCP socket") ;
-      return -1 ;
+      return OWL_ERR_SOCKET_CREATE ;
     }
 
   return 0 ;
@@ -319,6 +319,10 @@ void* tcp_server(void *NULL_value)
 }
 
 
+/*
+ * Reads a message and search for a request in it.
+ * Returns the identifier of a request if found, or 0 if not found.
+ */
 int
 extract_request_from_message(char client_request[CLIENT_REQUEST_STRLEN],
                              char *client_message)