Added udpclient #2

udpserver.c

@@ -50,10 +50,7 @@ void udpserver(void)
     }
      
     //keep listening for data
-    while(1)
-    {
-        //printf("Waiting for data...");
-        //fflush(stdout);
+    while(1) {
         memset(buf,'\0', BUFLEN);
         //try to receive some data, this is a blocking call
         if ((recv_len = recvfrom(s, buf, BUFLEN, 0, (struct sockaddr *) &si_other, (unsigned int *)&slen)) == -1)
@@ -68,12 +65,6 @@ void udpserver(void)
         if (!processUDPInput(buf)) {
             break;
         }
-        
-        //now reply the client with the same data
-        if (sendto(s, buf, recv_len, 0, (struct sockaddr*) &si_other, slen) == -1)
-        {
-            die("sendto()");
-        }
     }
  
     close(s);
@@ -92,3 +83,34 @@ int processUDPInput(char *input) {
     return 1;
 }
 
+
+//Client part
+void sendKeyUDP(char *server, char *message) {
+    struct sockaddr_in si_other;
+    int s, slen=sizeof(si_other);
+    
+    int PORT = cfgreadudpport();
+    
+    if ( (s=socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1)
+    {
+            die("socket");
+    }
+
+    memset((char *) &si_other, 0, sizeof(si_other));
+    si_other.sin_family = AF_INET;
+    si_other.sin_port = htons(PORT);
+    
+    if (inet_aton(server , &si_other.sin_addr) == 0) 
+    {
+            fprintf(stderr, "inet_aton() failed\n");
+            exit(1);
+    }
+    
+    //send the message
+    if (sendto(s, message, strlen(message) , 0 , (struct sockaddr *) &si_other, slen)==-1)
+    {
+            die("sendto()");
+    }
+
+    close(s);
+}