forked from mirrors/linphone-iphone
339 lines
13 KiB
C
339 lines
13 KiB
C
/*
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linphone
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Copyright (C) 2000 - 2010 Simon MORLAT (simon.morlat@linphone.org)
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef LINPHONEEVENT_H
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#define LINPHONEEVENT_H
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/**
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* @addtogroup event_api
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* @{
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**/
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struct _LinphoneEvent;
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/**
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* Object representing an event state, which is subcribed or published.
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* @see linphone_core_publish()
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* @see linphone_core_subscribe()
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**/
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typedef struct _LinphoneEvent LinphoneEvent;
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/**
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* Enum for subscription direction (incoming or outgoing).
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**/
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enum _LinphoneSubscriptionDir{
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LinphoneSubscriptionIncoming, /**< Incoming subscription. */
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LinphoneSubscriptionOutgoing, /**< Outgoing subscription. */
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LinphoneSubscriptionInvalidDir /**< Invalid subscription direction. */
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};
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/**
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* Typedef alias for _LinphoneSubscriptionDir
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**/
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typedef enum _LinphoneSubscriptionDir LinphoneSubscriptionDir;
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/**
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* Enum for subscription states.
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**/
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enum _LinphoneSubscriptionState{
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LinphoneSubscriptionNone, /**< Initial state, should not be used.**/
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LinphoneSubscriptionOutgoingProgress, /**<An outgoing subcription was sent*/
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LinphoneSubscriptionIncomingReceived, /**<An incoming subcription is received*/
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LinphoneSubscriptionPending, /**<Subscription is pending, waiting for user approval*/
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LinphoneSubscriptionActive, /**<Subscription is accepted.*/
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LinphoneSubscriptionTerminated, /**<Subscription is terminated normally*/
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LinphoneSubscriptionError, /**<Subscription encountered an error, indicated by linphone_event_get_reason()*/
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LinphoneSubscriptionExpiring, /**<Subscription is about to expire, only sent if [sip]->refresh_generic_subscribe property is set to 0.*/
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};
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/*typo compatibility*/
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#define LinphoneSubscriptionOutoingInit LinphoneSubscriptionOutgoingInit
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#define LinphoneSubscriptionOutgoingInit LinphoneSubscriptionOutgoingProgress
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/**
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* Typedef for subscription state enum.
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**/
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typedef enum _LinphoneSubscriptionState LinphoneSubscriptionState;
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LINPHONE_PUBLIC const char *linphone_subscription_state_to_string(LinphoneSubscriptionState state);
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/**
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* Enum for publish states.
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**/
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enum _LinphonePublishState{
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LinphonePublishNone, /**< Initial state, do not use**/
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LinphonePublishProgress, /**<An outgoing publish was created and submitted*/
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LinphonePublishOk, /**<Publish is accepted.*/
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LinphonePublishError, /**<Publish encoutered an error, linphone_event_get_reason() gives reason code*/
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LinphonePublishExpiring, /**<Publish is about to expire, only sent if [sip]->refresh_generic_publish property is set to 0.*/
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LinphonePublishCleared /**<Event has been un published*/
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};
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/**
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* Typedef for publish state enum
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**/
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typedef enum _LinphonePublishState LinphonePublishState;
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LINPHONE_PUBLIC const char *linphone_publish_state_to_string(LinphonePublishState state);
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/**
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* Callback prototype for notifying the application about notification received from the network.
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**/
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typedef void (*LinphoneCoreNotifyReceivedCb)(LinphoneCore *lc, LinphoneEvent *lev, const char *notified_event, const LinphoneContent *body);
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/**
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* Callback prototype for notifying the application about changes of subscription states, including arrival of new subscriptions.
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**/
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typedef void (*LinphoneCoreSubscriptionStateChangedCb)(LinphoneCore *lc, LinphoneEvent *lev, LinphoneSubscriptionState state);
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/**
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* Callback prototype for notifying the application about changes of publish states.
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**/
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typedef void (*LinphoneCorePublishStateChangedCb)(LinphoneCore *lc, LinphoneEvent *lev, LinphonePublishState state);
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/**
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* Create an outgoing subscription, specifying the destination resource, the event name, and an optional content body.
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* If accepted, the subscription runs for a finite period, but is automatically renewed if not terminated before.
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* @param lc the #LinphoneCore
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* @param resource the destination resource
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* @param event the event name
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* @param expires the whished duration of the subscription
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* @param body an optional body, may be NULL.
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* @return a LinphoneEvent holding the context of the created subcription.
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**/
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LINPHONE_PUBLIC LinphoneEvent *linphone_core_subscribe(LinphoneCore *lc, const LinphoneAddress *resource, const char *event, int expires, const LinphoneContent *body);
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/**
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* Create an outgoing subscription, specifying the destination resource, the event name, and an optional content body.
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* If accepted, the subscription runs for a finite period, but is automatically renewed if not terminated before.
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* Unlike linphone_core_subscribe() the subscription isn't sent immediately. It will be send when calling linphone_event_send_subscribe().
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* @param lc the #LinphoneCore
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* @param resource the destination resource
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* @param event the event name
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* @param expires the whished duration of the subscription
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* @return a LinphoneEvent holding the context of the created subcription.
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**/
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LINPHONE_PUBLIC LinphoneEvent *linphone_core_create_subscribe(LinphoneCore *lc, const LinphoneAddress *resource, const char *event, int expires);
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/**
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* Create an out-of-dialog notification, specifying the destination resource, the event name.
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* The notification can be send with linphone_event_notify().
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* @param lc the #LinphoneCore
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* @param resource the destination resource
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* @param event the event name
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* @return a LinphoneEvent holding the context of the notification.
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**/
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LINPHONE_PUBLIC LinphoneEvent *linphone_core_create_notify(LinphoneCore *lc, const LinphoneAddress *resource, const char *event);
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/**
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* Send a subscription previously created by linphone_core_create_subscribe().
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* @param ev the LinphoneEvent
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* @param body optional content to attach with the subscription.
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* @return 0 if successful, -1 otherwise.
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**/
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LINPHONE_PUBLIC int linphone_event_send_subscribe(LinphoneEvent *ev, const LinphoneContent *body);
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/**
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* Update (refresh) an outgoing subscription, changing the body.
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* @param lev a LinphoneEvent
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* @param body an optional body to include in the subscription update, may be NULL.
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**/
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LINPHONE_PUBLIC int linphone_event_update_subscribe(LinphoneEvent *lev, const LinphoneContent *body);
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/**
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* Refresh an outgoing subscription keeping the same body.
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* @param lev LinphoneEvent object.
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* @return 0 if successful, -1 otherwise.
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*/
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LINPHONE_PUBLIC int linphone_event_refresh_subscribe(LinphoneEvent *lev);
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/**
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* Accept an incoming subcription.
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**/
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LINPHONE_PUBLIC int linphone_event_accept_subscription(LinphoneEvent *lev);
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/**
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* Deny an incoming subscription with given reason.
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**/
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LINPHONE_PUBLIC int linphone_event_deny_subscription(LinphoneEvent *lev, LinphoneReason reason);
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/**
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* Send a notification.
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* @param lev a #LinphoneEvent corresponding to an incoming subscription previously received and accepted.
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* @param body an optional body containing the actual notification data.
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* @return 0 if successful, -1 otherwise.
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**/
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LINPHONE_PUBLIC int linphone_event_notify(LinphoneEvent *lev, const LinphoneContent *body);
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/**
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* Publish an event state.
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* This first create a LinphoneEvent with linphone_core_create_publish() and calls linphone_event_send_publish() to actually send it.
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* After expiry, the publication is refreshed unless it is terminated before.
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* @param lc the #LinphoneCore
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* @param resource the resource uri for the event
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* @param event the event name
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* @param expires the lifetime of event being published, -1 if no associated duration, in which case it will not be refreshed.
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* @param body the actual published data
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* @return the LinphoneEvent holding the context of the publish.
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**/
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LINPHONE_PUBLIC LinphoneEvent *linphone_core_publish(LinphoneCore *lc, const LinphoneAddress *resource, const char *event, int expires, const LinphoneContent *body);
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/**
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* Create a publish context for an event state.
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* After being created, the publish must be sent using linphone_event_send_publish().
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* After expiry, the publication is refreshed unless it is terminated before.
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* @param lc the #LinphoneCore
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* @param resource the resource uri for the event
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* @param event the event name
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* @param expires the lifetime of event being published, -1 if no associated duration, in which case it will not be refreshed.
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* @return the LinphoneEvent holding the context of the publish.
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**/
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LINPHONE_PUBLIC LinphoneEvent *linphone_core_create_publish(LinphoneCore *lc, const LinphoneAddress *resource, const char *event, int expires);
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/**
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* Send a publish created by linphone_core_create_publish().
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* @param lev the #LinphoneEvent
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* @param body the new data to be published
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**/
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LINPHONE_PUBLIC int linphone_event_send_publish(LinphoneEvent *lev, const LinphoneContent *body);
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/**
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* Update (refresh) a publish.
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* @param lev the #LinphoneEvent
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* @param body the new data to be published
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**/
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LINPHONE_PUBLIC int linphone_event_update_publish(LinphoneEvent *lev, const LinphoneContent *body);
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/**
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* Refresh an outgoing publish keeping the same body.
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* @param lev LinphoneEvent object.
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* @return 0 if successful, -1 otherwise.
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*/
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LINPHONE_PUBLIC int linphone_event_refresh_publish(LinphoneEvent *lev);
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/**
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* Prevent an event from refreshing its publish.
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* This is useful to let registrations to expire naturally (or) when the application wants to keep control on when
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* refreshes are sent.
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* The refreshing operations can be resumed with linphone_proxy_config_refresh_register().
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* @param[in] lev #LinphoneEvent object.
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**/
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LINPHONE_PUBLIC void linphone_event_pause_publish(LinphoneEvent *lev);
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/**
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* Return reason code (in case of error state reached).
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**/
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LINPHONE_PUBLIC LinphoneReason linphone_event_get_reason(const LinphoneEvent *lev);
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/**
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* Get full details about an error occured.
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**/
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LINPHONE_PUBLIC const LinphoneErrorInfo *linphone_event_get_error_info(const LinphoneEvent *lev);
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/**
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* Get subscription state. If the event object was not created by a subscription mechanism, #LinphoneSubscriptionNone is returned.
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**/
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LINPHONE_PUBLIC LinphoneSubscriptionState linphone_event_get_subscription_state(const LinphoneEvent *lev);
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/**
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* Get publish state. If the event object was not created by a publish mechanism, #LinphonePublishNone is returned.
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**/
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LINPHONE_PUBLIC LinphonePublishState linphone_event_get_publish_state(const LinphoneEvent *lev);
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/**
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* Get subscription direction.
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* If the object wasn't created by a subscription mechanism, #LinphoneSubscriptionInvalidDir is returned.
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**/
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LINPHONE_PUBLIC LinphoneSubscriptionDir linphone_event_get_subscription_dir(LinphoneEvent *lev);
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/**
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* Set a user (application) pointer.
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**/
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LINPHONE_PUBLIC void linphone_event_set_user_data(LinphoneEvent *ev, void *up);
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/**
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* Retrieve user pointer.
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**/
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LINPHONE_PUBLIC void *linphone_event_get_user_data(const LinphoneEvent *ev);
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/**
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* Add a custom header to an outgoing susbscription or publish.
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* @param ev the LinphoneEvent
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* @param name header's name
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* @param value the header's value.
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**/
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LINPHONE_PUBLIC void linphone_event_add_custom_header(LinphoneEvent *ev, const char *name, const char *value);
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/**
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* Obtain the value of a given header for an incoming subscription.
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* @param ev the LinphoneEvent
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* @param name header's name
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* @return the header's value or NULL if such header doesn't exist.
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**/
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LINPHONE_PUBLIC const char *linphone_event_get_custom_header(LinphoneEvent *ev, const char *name);
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/**
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* Terminate an incoming or outgoing subscription that was previously acccepted, or a previous publication.
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* The LinphoneEvent shall not be used anymore after this operation, unless the application explicitely took a reference on the object with
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* linphone_event_ref().
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**/
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LINPHONE_PUBLIC void linphone_event_terminate(LinphoneEvent *lev);
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/**
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* Increase reference count of LinphoneEvent.
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* By default LinphoneEvents created by the core are owned by the core only.
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* An application that wishes to retain a reference to it must call linphone_event_ref().
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* When this reference is no longer needed, linphone_event_unref() must be called.
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*
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**/
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LINPHONE_PUBLIC LinphoneEvent *linphone_event_ref(LinphoneEvent *lev);
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/**
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* Decrease reference count.
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* @see linphone_event_ref()
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**/
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LINPHONE_PUBLIC void linphone_event_unref(LinphoneEvent *lev);
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/**
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* Get the name of the event as specified in the event package RFC.
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**/
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LINPHONE_PUBLIC const char *linphone_event_get_name(const LinphoneEvent *lev);
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/**
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* Get the "from" address of the subscription.
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**/
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LINPHONE_PUBLIC const LinphoneAddress *linphone_event_get_from(const LinphoneEvent *lev);
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/**
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* Get the resource address of the subscription or publish.
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**/
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LINPHONE_PUBLIC const LinphoneAddress *linphone_event_get_resource(const LinphoneEvent *lev);
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/**
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* Returns back pointer to the LinphoneCore that created this LinphoneEvent
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**/
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LINPHONE_PUBLIC LinphoneCore *linphone_event_get_core(const LinphoneEvent *lev);
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/**
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* @}
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**/
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#endif
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