From a8b2a07f375edefec242de9f20d4aefafa927517 Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Wed, 3 Nov 2010 19:12:34 +0000
Subject: * adds a rewrite of the tapi drivers + sip app. this is the result of
 lars' gsoc 2010 project, Thanks !

SVN-Revision: 23840
---
 package/tapi_sip/src/session.c | 84 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 package/tapi_sip/src/session.c

(limited to 'package/tapi_sip/src/session.c')

diff --git a/package/tapi_sip/src/session.c b/package/tapi_sip/src/session.c
new file mode 100644
index 0000000000..97f6f06fe1
--- /dev/null
+++ b/package/tapi_sip/src/session.c
@@ -0,0 +1,84 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "agent.h"
+#include "session.h"
+
+#include <tapi-device.h>
+
+
+struct session
+{
+	struct agent *agents[2];
+
+	struct tapi_device *tdev;
+
+	void (*release)(struct session *);
+
+	int link;
+};
+
+struct session *session_alloc(struct tapi_device *dev, struct agent *caller,
+	struct agent *callee, void (*release)(struct session *))
+{
+	struct session *session;
+	int ret;
+
+	session = malloc(sizeof(*session));
+
+	session->tdev = dev;
+
+	session->agents[0] = caller;
+	session->agents[1] = callee;
+
+	ret = agent_invite(callee, session);
+	if (ret < 0) {
+		session_hangup(session, callee);
+		free(session);
+		return NULL;
+	}
+
+	session->release = release;
+
+	return session;
+}
+
+void session_accept(struct session *session, struct agent *agent)
+{
+	int ep[2];
+
+	printf("session_accept: %p %p\n", session, agent);
+	printf("session agents: %p %p\n", session->agents[0], session->agents[1]);
+	printf("session tdev: %p\n", session->tdev);
+
+	agent_accept(session->agents[0], session);
+
+	ep[0] = agent_get_endpoint(session->agents[0], session);
+	ep[1] = agent_get_endpoint(session->agents[1], session);
+	session->link = tapi_link_alloc(session->tdev, ep[0], ep[1]);
+
+	printf("eps: %d %d\n", ep[0], ep[1]);
+
+	tapi_link_enable(session->tdev, session->link);
+
+	tapi_sync(session->tdev);
+}
+
+void session_hangup(struct session *session, struct agent *agent)
+{
+	struct agent *other_agent;
+
+	if (session->agents[0] == agent)
+		other_agent = session->agents[1];
+	else
+		other_agent = session->agents[0];
+
+	agent_hangup(other_agent, session);
+
+	tapi_link_disable(session->tdev, session->link);
+	tapi_link_free(session->tdev, session->link);
+	tapi_sync(session->tdev);
+
+	if (session->release)
+		session->release(session);
+}
-- 
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