summaryrefslogtreecommitdiff
path: root/package/libtapi/src/tapi-session.c
diff options
context:
space:
mode:
Diffstat (limited to 'package/libtapi/src/tapi-session.c')
-rw-r--r--package/libtapi/src/tapi-session.c122
1 files changed, 122 insertions, 0 deletions
diff --git a/package/libtapi/src/tapi-session.c b/package/libtapi/src/tapi-session.c
new file mode 100644
index 0000000..8b17053
--- /dev/null
+++ b/package/libtapi/src/tapi-session.c
@@ -0,0 +1,122 @@
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "tapi-device.h"
+#include "tapi-port.h"
+#include "tapi-session.h"
+
+enum tapi_session_port_state {
+ TAPI_SESSION_PORT_STATE_IDLE,
+ TAPI_SESSION_PORT_STATE_RINGING,
+ TAPI_SESSION_PORT_STATE_ACTIVE,
+};
+
+struct tapi_session_port {
+ struct tapi_port *port;
+ struct tapi_port_event_listener event_listener;
+
+ enum tapi_session_port_state state;
+};
+
+struct tapi_session {
+ struct tapi_device *dev;
+ struct tapi_session_port caller;
+ struct tapi_session_port callee;
+
+ bool active;
+ unsigned int link;
+
+ void (*release)(struct tapi_session *session, void *data);
+};
+
+static void tapi_session_terminate(struct tapi_session *session)
+{
+ if (session->active) {
+ tapi_link_enable(session->dev, session->link);
+ tapi_sync(session->dev);
+ tapi_link_free(session->dev, session->link);
+ }
+
+ switch (session->callee.state) {
+ case TAPI_SESSION_PORT_STATE_RINGING:
+ tapi_port_set_ring(session->callee.port, false);
+ break;
+ default:
+ break;
+ }
+
+ session->active = false;
+}
+
+static void tapi_session_caller_event(struct tapi_port *port,
+ struct tapi_event *event, void *data)
+{
+ struct tapi_session *session = data;
+
+ if (event->type != TAPI_EVENT_TYPE_HOOK)
+ return;
+
+ if (event->hook.on) {
+ tapi_session_terminate(session);
+ }
+}
+
+static void tapi_session_callee_event(struct tapi_port *port,
+ struct tapi_event *event, void *data)
+{
+ struct tapi_session *session = data;
+
+ if (event->type != TAPI_EVENT_TYPE_HOOK)
+ return;
+
+ if (event->hook.on) {
+ if (session->callee.state == TAPI_SESSION_PORT_STATE_ACTIVE) {
+ tapi_session_terminate(session);
+ }
+ } else {
+ if (session->callee.state == TAPI_SESSION_PORT_STATE_RINGING) {
+ tapi_port_set_ring(session->callee.port, false);
+ session->link = tapi_link_alloc(session->dev,
+ session->caller.port->ep, session->callee.port->ep);
+ session->callee.state = TAPI_SESSION_PORT_STATE_ACTIVE;
+ tapi_link_enable(session->dev, session->link);
+ tapi_sync(session->dev);
+ session->active = true;
+ }
+ }
+}
+
+struct tapi_session *tapi_session_alloc(struct tapi_device *dev,
+ struct tapi_port *caller, struct tapi_port *callee,
+ void (*release)(struct tapi_session *session, void *data), void *release_data)
+{
+ struct tapi_session *session;
+ struct tapi_session_port *session_port;
+
+ session = malloc(sizeof(*session));
+
+ session->dev = dev;
+
+ session->callee.port = callee;
+ session->callee.state = TAPI_SESSION_PORT_STATE_RINGING;
+ session->callee.event_listener.callback = tapi_session_callee_event;
+ session->callee.event_listener.data = session;
+ tapi_port_register_event(callee, &session->callee.event_listener);
+
+ session->caller.port = caller;
+ session->caller.state = TAPI_SESSION_PORT_STATE_ACTIVE;
+ session->caller.event_listener.callback = tapi_session_caller_event;
+ session->caller.event_listener.data = session;
+ tapi_port_register_event(caller, &session->caller.event_listener);
+
+ tapi_port_set_ring(callee, true);
+}
+
+void tapi_session_free(struct tapi_session *session)
+{
+ tapi_session_terminate(session);
+ tapi_port_register_event(session->callee.port, &session->callee.event_listener);
+ tapi_port_register_event(session->caller.port, &session->caller.event_listener);
+ free(session);
+}