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[cascardo/rnetproxy.git] / hcconn.c

diff --git a/hcconn.c b/hcconn.c
index 3b2a890..02f1572 100644 (file)
--- a/hcconn.c
+++ b/hcconn.c
@@ -20,6 +20,7 @@
 #include "hcconn.h"
 #include <unistd.h>
 #include <fcntl.h>
+#include <sys/socket.h>
 #include "hcconn_internal.h"
 
 /* The server connection watch */
@@ -96,7 +97,7 @@ hc_conn_channel_close (gpointer data)
   struct channel_layer *layer = data;
   int fd = g_io_channel_unix_get_fd (layer->channel);
   g_source_remove (layer->watch);
-  shutdown (fd, SHUT_RDWR);
+  close (fd);
   g_io_channel_unref (layer->channel);
   g_slice_free (struct channel_layer, layer);
 }
@@ -106,7 +107,26 @@ hc_conn_watch (GIOChannel *channel, GIOCondition cond, gpointer data)
 {
   HCConn *conn = data;
   /* TODO: What about other events, like closing? */
-  HCEvent event = HC_EVENT_READ;
+  HCEvent event;
+  int fd = g_io_channel_unix_get_fd (channel);
+  char buffer;
+  int r;
+  switch (cond)
+    {
+    case G_IO_IN:
+      event = HC_EVENT_READ;
+      r = recv (fd, &buffer, 1, MSG_PEEK);
+      if (r == 0)
+        event = HC_EVENT_CLOSE;
+      break;
+    case G_IO_HUP:
+      event = HC_EVENT_CLOSE;
+      break;
+    default:
+      /* TODO: handle other conditions and create error event */
+      g_warning ("Received an unexpected IO condition.");
+      break;
+    }
   if (conn->func)
     conn->func (conn, event, conn->data);
   return TRUE;
@@ -122,7 +142,8 @@ hc_conn_set_driver_channel (HCConn *conn, int fd)
   conn->write = hc_conn_channel_write;
   conn->close = hc_conn_channel_close;
   /* TODO: We must watch other events */
-  layer->watch = g_io_add_watch (layer->channel, G_IO_IN, hc_conn_watch, conn);
+  layer->watch = g_io_add_watch (layer->channel, G_IO_IN | G_IO_HUP,
+                                 hc_conn_watch, conn);
   /* TODO: connection should be asynchronous so this could make sense */
   if (conn->func)
     conn->func (conn, HC_EVENT_CONNECT, conn->data);
@@ -152,7 +173,9 @@ hc_conn_set_callback (HCConn *conn, HCClientFunc func, gpointer data)
 ssize_t
 hc_conn_read (HCConn *conn, char *buffer, size_t len)
 {
-  return conn->read (conn->layer, buffer, len);
+  if (conn->read)
+    return conn->read (conn->layer, buffer, len);
+  return 0;
 }
 
 void
@@ -161,12 +184,18 @@ hc_conn_write (HCConn *conn, char *buffer, size_t len)
   /* TODO: Do buffering or something like that */
   /* Do we really need to? */
   /* In case of error, we should do something */
-  conn->write (conn->layer, buffer, len);
+  if (conn->write)
+    conn->write (conn->layer, buffer, len);
 }
 
 void
 hc_conn_close (HCConn *conn)
 {
-  conn->close (conn->layer);
+  if (conn->close)
+    conn->close (conn->layer);
+  conn->read = NULL;
+  conn->write = NULL;
+  conn->close = NULL;
+  conn->func = NULL;
   g_slice_free (HCConn, conn);
 }