From e6f799e41d7910e1388c68630c49bf3141cb8d9c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?=
 <zmoelnig@users.sourceforge.net>
Date: Tue, 1 Sep 2015 14:30:54 +0000
Subject: sync with git

svn path=/trunk/externals/iem/iemnet/; revision=17545
---
 udpsend.c | 77 ++++++++++++++++++++++++++++-----------------------------------
 1 file changed, 34 insertions(+), 43 deletions(-)

(limited to 'udpsend.c')

diff --git a/udpsend.c b/udpsend.c
index 620f7c0..3451a41 100644
--- a/udpsend.c
+++ b/udpsend.c
@@ -1,5 +1,5 @@
 /* udpsend.c
- * copyright (c) 2010 IOhannes m zmölnig, IEM
+ * copyright © 2010-2015 IOhannes m zmölnig, IEM
  * copyright (c) 2006-2010 Martin Peach
  * copyright (c) Miller Puckette
  */
@@ -34,79 +34,67 @@ static t_class *udpsend_class;
 typedef struct _udpsend {
   t_object x_obj;
   t_iemnet_sender*x_sender;
+  int x_fd;
 } t_udpsend;
 
 static void udpsend_connect(t_udpsend *x, t_symbol *hostname,
                             t_floatarg fportno)
 {
   struct sockaddr_in  server;
+  struct hostent      *hp = NULL;
   int                 sockfd;
   int                 portno = fportno;
   int                 broadcast = 1;/* nonzero is true */
   memset(&server, 0, sizeof(server));
 
   if (x->x_sender) {
-    error("[%s] already connected", objName);
+    iemnet_log(x, IEMNET_ERROR, "already connected");
     return;
   }
 
+  /* connect socket using hostname provided in command line */
+  server.sin_family = AF_INET;
+
+  hp = gethostbyname(hostname->s_name);
+  if (hp == 0) {
+    iemnet_log(x, IEMNET_ERROR, "bad host '%s'?", hostname->s_name);
+    return;
+  }
+  memcpy((char *)&server.sin_addr, (char *)hp->h_addr, hp->h_length);
+
+  /* assign client port number */
+  server.sin_port = htons((u_short)portno);
+
+  DEBUG("connecting to port %d", portno);
+
+
   /* create a socket */
   sockfd = socket(AF_INET, SOCK_DGRAM, 0);
   DEBUG("send socket %d\n", sockfd);
   if (sockfd < 0) {
-    sys_sockerror("[udpsend] socket");
+    iemnet_log(x, IEMNET_ERROR, "unable to create datagram socket");
+    sys_sockerror("socket");
     return;
   }
 
-  /* Based on zmoelnig's patch 2221504:
-     Enable sending of broadcast messages (if hostname is a broadcast address)*/
+  /* Enable sending of broadcast messages (if hostname is a broadcast address)*/
 #ifdef SO_BROADCAST
   if( 0 != setsockopt(sockfd, SOL_SOCKET, SO_BROADCAST,
                       (const void *)&broadcast, sizeof(broadcast))) {
-    error("[%s] couldn't switch to broadcast mode", objName);
+    iemnet_log(x, IEMNET_ERROR, "unable to switch to broadcast mode");
+    sys_sockerror("setsockopt:SO_BROADCAST");
   }
 #endif /* SO_BROADCAST */
 
-  /* connect socket using hostname provided in command line */
-  server.sin_family = AF_INET;
-
-  do {
-#if 0
-    struct addrinfo * addr=NULL;
-    if(getaddrinfo(hostname->s_name, NULL, NULL, &addr)) {
-      error("[%s] bad host '%s'?", objName, hostname->s_name);
-      return;
-    } else {
-      struct addrinfo * res;
-      for (res = addr; res != NULL; res = res->ai_next) {
-        struct sockaddr_in *sa = (struct sockaddr_in *) res->ai_addr;
-        int len = res->ai_addrlen;
-        //      memcpy((char *)&server.sin_addr, (char *)res->ai_addr, hp->h_length);
-        // LATER check how to do that...
-      }
-    }
-    freeaddrinfo(addr);
-#else
-    struct hostent      *hp = gethostbyname(hostname->s_name);
-    if (hp == 0) {
-      error("[%s] bad host '%s'?", objName, hostname->s_name);
-      return;
-    }
-    memcpy((char *)&server.sin_addr, (char *)hp->h_addr, hp->h_length);
-#endif
-  } while(0);
-
-  /* assign client port number */
-  server.sin_port = htons((u_short)portno);
-
-  DEBUG("connecting to port %d", portno);
   /* try to connect. */
   if (connect(sockfd, (struct sockaddr *) &server, sizeof (server)) < 0) {
-    sys_sockerror("[udpsend] connecting stream socket");
+    iemnet_log(x, IEMNET_ERROR, "unable to connect to socket:%d", sockfd);
+    sys_sockerror("connect");
     iemnet__closesocket(sockfd);
     return;
   }
   x->x_sender=iemnet__sender_create(sockfd, NULL, NULL, 0);
+  x->x_fd = sockfd;
   outlet_float(x->x_obj.ob_outlet, 1);
 }
 
@@ -114,7 +102,11 @@ static void udpsend_disconnect(t_udpsend *x)
 {
   if(x->x_sender) {
     iemnet__sender_destroy(x->x_sender, 0);
-    x->x_sender=NULL;
+  }
+  x->x_sender=NULL;
+  if(x->x_fd >= 0) {
+    iemnet__closesocket(x->x_fd);
+    x->x_fd=-1;
     outlet_float(x->x_obj.ob_outlet, 0);
   }
 }
@@ -126,7 +118,7 @@ static void udpsend_send(t_udpsend *x, t_symbol *s, int argc, t_atom *argv)
     iemnet__sender_send(x->x_sender, chunk);
     iemnet__chunk_destroy(chunk);
   } else {
-    error("[%s]: not connected", objName);
+    iemnet_log(x, IEMNET_ERROR, "not connected");
   }
 }
 
@@ -166,4 +158,3 @@ IEMNET_EXTERN void udpsend_setup(void)
 IEMNET_INITIALIZER(udpsend_setup);
 
 /* end udpsend.c*/
-
-- 
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