+
+struct _hc_conn_t
+{
+ GIOChannel *channel;
+ HCClientFunc func;
+ gpointer data;
+ ssize_t (*read) (gpointer, char *, size_t);
+ ssize_t (*write) (gpointer, char *, size_t);
+ void (*close) (gpointer);
+ gpointer layer;
+ guint watch;
+};
+
+ssize_t
+hc_conn_channel_read (gpointer data, char *buffer, size_t len)
+{
+ int fd = g_io_channel_unix_get_fd ((GIOChannel *) data);
+ return read (fd, buffer, len);
+}
+
+ssize_t
+hc_conn_channel_write (gpointer data, char *buffer, size_t len)
+{
+ int fd = g_io_channel_unix_get_fd ((GIOChannel *) data);
+ return write (fd, buffer, len);
+}
+
+void
+hc_conn_channel_close (gpointer data)
+{
+ int fd = g_io_channel_unix_get_fd ((GIOChannel *) data);
+ shutdown (fd, SHUT_RDWR);
+}
+
+gboolean
+hc_conn_watch (GIOChannel *channel, GIOCondition cond, gpointer data)
+{
+ HCConn *conn = data;
+ HCEvent event = HC_EVENT_READ;
+ if (conn->func)
+ conn->func (conn, event, conn->data);
+ return TRUE;
+}
+
+HCConn *
+hc_conn_new (int fd, HCClientFunc func, gpointer data)
+{
+ HCConn *conn;
+ conn = g_slice_new (HCConn);
+ conn->channel = g_io_channel_unix_new (fd);
+ conn->func = func;
+ conn->data = data;
+ conn->layer = conn->channel;
+ conn->read = hc_conn_channel_read;
+ conn->write = hc_conn_channel_write;
+ conn->close = hc_conn_channel_close;
+ conn->watch = g_io_add_watch (conn->channel, G_IO_IN, hc_conn_watch, conn);
+ return conn;
+}
+
+ssize_t
+hc_conn_read (HCConn *conn, char *buffer, size_t len)
+{
+ return conn->read (conn->layer, buffer, len);
+}
+
+void
+hc_conn_write (HCConn *conn, char *buffer, size_t len)
+{
+ /* TODO: Do buffering or something like that */
+ conn->write (conn->layer, buffer, len);
+}
+
+void
+hc_conn_close (HCConn *conn)
+{
+ conn->close (conn->layer);
+ g_source_remove (conn->watch);
+ g_io_channel_unref (conn->channel);
+ g_slice_free (HCConn, conn);
+}