Add transfer to IAX2, and transfer application

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@1016 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 94 insertions, 0 deletions

diff --git a/apps/app_transfer.c b/apps/app_transfer.c
new file mode 100755
index 000000000..3c4013e76
--- /dev/null
+++ b/apps/app_transfer.c
@@ -0,0 +1,94 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Time of day - Report the time of day
+ * 
+ * Copyright (C) 1999, Mark Spencer
+ *
+ * Mark Spencer <markster@linux-support.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+
+#include <asterisk/lock.h>
+#include <asterisk/file.h>
+#include <asterisk/logger.h>
+#include <asterisk/channel.h>
+#include <asterisk/pbx.h>
+#include <asterisk/module.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <pthread.h>
+
+
+static char *tdesc = "Transfer";
+
+static char *app = "Transfer";
+
+static char *synopsis = "Transfer caller to remote extension";
+
+static char *descrip = 
+"  Transfer(exten):  Requests the remote caller be transferred to\n"
+"a given   Returns -1 on hangup, or 0 on completion\n"
+"regardless of whether the transfer was successful.  If the transfer\n"
+"was *not* supported or successful and there exists a priority n + 101,\n"
+"then that priority will be taken next.\n" ;
+
+STANDARD_LOCAL_USER;
+
+LOCAL_USER_DECL;
+
+static int transfer_exec(struct ast_channel *chan, void *data)
+{
+	int res=0;
+	struct localuser *u;
+	if (!data || !strlen(data)) {
+		ast_log(LOG_WARNING, "Transfer requires an argument (destination)\n");
+		res = 1;
+	}
+	LOCAL_USER_ADD(u);
+	if (!res) {
+		res = ast_transfer(chan, data);
+	}
+	if (!res) {
+		/* Look for a "busy" place */
+		if (ast_exists_extension(chan, chan->context, chan->exten, chan->priority + 101, chan->callerid))
+			chan->priority += 100;
+	}
+	if (res > 0)
+		res = 0;
+	LOCAL_USER_REMOVE(u);
+	return res;
+}
+
+int unload_module(void)
+{
+	STANDARD_HANGUP_LOCALUSERS;
+	return ast_unregister_application(app);
+}
+
+int load_module(void)
+{
+	return ast_register_application(app, transfer_exec, synopsis, descrip);
+}
+
+char *description(void)
+{
+	return tdesc;
+}
+
+int usecount(void)
+{
+	int res;
+	STANDARD_USECOUNT(res);
+	return res;
+}
+
+char *key()
+{
+	return ASTERISK_GPL_KEY;
+}