public void handleIncomingUpdate(Request msg) throws DialogStateException {
assert TransactionUtils.isTransactionExecutionThread()
: "Code run in wrong thread. Must be run in TransactionThread. Now in "
+ Thread.currentThread();
assert !done.get();
if (!done.get()) {
Logger.log("Remote party has sent update");
final Dialog dialog = getStackContext().getDialogStorage().findDialogForMessage(msg);
assert dialog != null;
checkUpdatePreconditions(dialog, msg);
Logger.log(TAG, "mark dialog as update in progress");
dialog.markUpdateInProgress(InitiateParty.REMOTE);
// TransactionType<InviteSrvTransaction, ? extends ServerCommonInviteTransaction>
// transactionType = SIP_REINVITE_SERVER;
TransactionType<UpdateSrvTransaction, UpdateServerTransaction> transactionType =
SIP_UPDATE_SERVER;
doHandleIncomingUpdate(msg, dialog, transactionType);
}
}
/**
* Handles server noninvite message
*
* @param msg - noninvite message
*/
public void handleIncomingBye(final Request msg) {
assert TransactionUtils.isTransactionExecutionThread()
: "Code run in wrong thread. Must be run in TransactionThread. Now in "
+ Thread.currentThread();
assert !done.get();
assert msg != null && MessageType.SIP_BYE == MessageType.parse(msg.getMethod());
Logger.log("Remote party has sent noninvite");
if (!done.get()) {
final Dialog dialog = getStackContext().getDialogStorage().findDialogForMessage(msg);
assert dialog != null;
assert STATED == dialog.getState();
dialog.getMessageHistory().addMessage(msg, true);
final TransactionManager transactionManager = getTransactionManager();
transactionManager.addListener(
new FirstMessageResolver(SIP_BYE_SERVER.getName(), dialog, msg, transactionManager));
final Transaction transaction =
transactionManager.lookUpTransaction(dialog, null, SIP_BYE_SERVER);
runAsynchronously(transaction, TRANSACTION_TIMEOUT);
}
}
public void onTransactionCreate(final TransactionBuildUpEvent<BaseSipMessage> event) {
assert SIP_REINVITE_CLIENT == event.getTransaction().getTransactionType();
Dialog dialog = (Dialog) event.getEntity();
final Transaction<Boolean, BaseSipMessage> transaction = event.getTransaction();
// DIALOG.putCustomParameter(Dialog.ParamKey.REINVITE_IN_PROGRESS, Boolean.TRUE);
dialog.markReInviteInProgress(InitiateParty.LOCAL);
// listener will un-subscribe automatically on transaction complete
transaction.addListener(new AuthChallengeListener<BaseSipMessage>(transaction, dialog));
// listener will un-subscribe automatically on transaction complete
transaction.addListener(
new MiddleManForClientMessageBuildingSupport<BaseSipMessage>(transaction, dialog));
// listener will un-subscribe automatically on transaction complete
transaction.addListener(
new ReInviteStateMiddleMan<BaseSipMessage>(
transaction, dialog, dialogStateListenerHolder) {
protected void onDialogCleanUp(final Dialog dialog) {
getStackContext().getDialogStorage().cleanUpDialog(dialog);
}
});
// listener will un-subscribe automatically on transaction complete
transaction.addListener(
new ReinviteInProgressListener<BaseSipMessage>(
transaction, dialog, InitiateParty.LOCAL));
}
private void checkUpdatePreconditions(final Dialog dialog, final Request msg)
throws DialogStateException {
if (STATED == dialog.getState()) {
throw new DialogStateException(
dialog,
UPDATE_FOR_STATED_DIALOG,
msg,
"Can not update DIALOG. Dialog is stated already. ");
}
if (dialog.isUpdateInProgress()) {
throw new DialogStateException(
dialog,
UPDATE_DURING_PREVIOUS_UPDATE,
msg,
"Can not update DIALOG. Previous update still in progress.");
}
/**
* A UAS that receives an UPDATE before it has generated a final response to a previous UPDATE
* on the same dialog MUST return a 500 response to the new UPDATE, and MUST include a
* Retry-After HEADER field with a randomly chosen value between 0 and 10 seconds.
*
* <p>If an UPDATE is received that contains an offer, and the UAS has generated an offer (in an
* UPDATE, PRACK or INVITE) to which it has not yet received an answer, the UAS MUST reject the
* UPDATE with a 491 response. Similarly, if an UPDATE is received that contains an offer, and
* the UAS has received an offer (in an UPDATE, PRACK, or INVITE) to which it has not yet
* generated an answer, the UAS MUST reject the UPDATE with a 500 response, and MUST include a
* Retry-After HEADER field with a randomly chosen value between 0 and 10 seconds.
*
* <p>If a UA receives an UPDATE for an existing dialog, it MUST check any version identifiers
* in the SESSION description or, if there are no version identifiers, the content of the
* SESSION description to see if it has changed. If the SESSION description has changed, the UAS
* MUST adjust the SESSION parameters accordingly and generate an answer in the 2xx response.
* However, unlike a re-INVITE, the UPDATE MUST be responded to promptly, and therefore the USER
* cannot generally be prompted to approve the SESSION changes. If the UAS cannot change the
* SESSION parameters without prompting the USER, it SHOULD reject the request with a 504
* response. If the new SESSION description is not acceptable, the UAS can reject it by
* returning a 488 (Not Acceptable Here) response for the UPDATE. This response SHOULD include a
* Warning HEADER field.
*
* <p>If a UAC receives a 491 response to a UPDATE, it SHOULD start a timer with a value T
* chosen as follows:
*
* <p>1. If the UAC is the owner of the Call-ID of the dialog ID (meaning it generated the
* value), T has a randomly chosen value between 2.1 and 4 seconds in units of 10 ms.
*
* <p>2. If the UAC is not the owner of the Call-ID of the dialog ID, T has a randomly chosen
* value between 0 and 2 seconds in units of 10 ms.
*
* <p>When the timer fires, the UAC SHOULD attempt the UPDATE once more, if it still desires for
* that SESSION modification to take place. For example, if the call was already hung up with a
* BYE, the UPDATE would not take place.
*/
}
/**
* This method initiates SIP_BYE for established DIALOG
*
* @param dialog - DIALOG to terminate
*/
public void bye(final Dialog dialog) {
assert TransactionUtils.isTransactionExecutionThread()
: "Code run in wrong thread. Must be run in TransactionThread. Now in "
+ Thread.currentThread();
assert !done.get();
if (!done.get()) {
assert STATED == dialog.getState()
: "Wrong dialog state. Must be " + STATED + " now is " + dialog.getState();
doBye(dialog, TRANSACTION_TIMEOUT);
}
}
public void onTransactionCreate(final TransactionBuildUpEvent<BaseSipMessage> event) {
assert SIP_REINVITE_SERVER == event.getTransaction().getTransactionType();
Dialog dialog = (Dialog) event.getEntity();
final Transaction<Boolean, BaseSipMessage> transaction = event.getTransaction();
// DIALOG.putCustomParameter(Dialog.ParamKey.REINVITE_IN_PROGRESS, Boolean.TRUE);
// TODo reinvire is used for update too
// dialog.markReInviteInProgress(InitiateParty.REMOTE);
// listener will un-subscribe automatically on transaction complete
transaction.addListener(
new IncomingReInviteListener<BaseSipMessage>(
dialog,
createSafeInviteAcceptable(dialog),
transaction,
incomingCallListenerHolder));
// listener will un-subscribe automatically on transaction complete
transaction.addListener(
new MiddleManForServerMessageBuildingSupport(transaction, dialog));
// listener will un-subscribe automatically on transaction complete
transaction.addListener(
new ReInviteStateMiddleMan<BaseSipMessage>(
transaction, dialog, dialogStateListenerHolder) {
protected void onDialogCleanUp(final Dialog dialog) {
getStackContext().getDialogStorage().cleanUpDialog(dialog);
}
});
// listener will un-subscribe automatically on transaction complete
// TODO change
if (dialog.isUpdateInProgress()) {
transaction.addListener(
new UpdateInProgressListener<BaseSipMessage>(
transaction, dialog, InitiateParty.REMOTE));
} else {
transaction.addListener(
new ReinviteInProgressListener<BaseSipMessage>(
transaction, dialog, InitiateParty.REMOTE));
}
// listener will un-subscribe automatically on transaction complete
transaction.addListener(
new DialogCleanUpListener<BaseSipMessage>(transaction, dialog, false) {
protected void onDialogCleanUp(final Dialog dialog) {
getStackContext().getDialogStorage().cleanUpDialog(dialog);
}
});
}
public void update(Dialog dialog) throws DialogStateException {
assert TransactionUtils.isTransactionExecutionThread()
: "Code run in wrong thread. Must be run in TransactionThread. Now in "
+ Thread.currentThread();
assert !done.get();
assert getStackContext().getDialogStorage().findDialogByCallId(dialog.getCallId()) != null
: "DIALOG being updated is already terminated";
if (!done.get()) {
checkUpdatePreconditions(dialog, null);
dialog
.getOutgoingSdpMessage()
.setSessionVersion(dialog.getOutgoingSdpMessage().getSessionVersion() + 1);
doUpdate(dialog);
}
}
private void checkReInvitePreconditions(final Dialog dialog, final Request msg)
throws DialogStateException {
if (EARLY == dialog.getState()) {
throw new DialogStateException(
dialog,
REINVITE_FOR_EARLY_DIALOG,
msg,
"Can not update (reinvite) DIALOG. Dialog is not stated yet. Dialog state is "
+ dialog.getState());
}
if (dialog.isReInviteInProgress()) {
throw new DialogStateException(
dialog,
REINVITE_DURING_PREVIOUS_REINVITE,
msg,
"Can not update (reinvite) DIALOG. Previous reinvite still in progress.");
}
}
private void doHandleIncomingUpdate(
Request msg,
Dialog dialog,
TransactionType<UpdateSrvTransaction, UpdateServerTransaction> transactionType) {
dialog.getMessageHistory().addMessage(msg, true);
SdpMessage sdp = SipMessageUtils.getSdpFromMessage(msg);
if (sdp != null) {
dialog.setIncomingSdpMessage(sdp);
}
final TransactionManager transactionManager = getTransactionManager();
transactionManager.addListener(
new FirstMessageResolver(transactionType.getName(), dialog, msg, transactionManager));
final UpdateSrvTransaction transaction =
transactionManager.lookUpTransaction(dialog, null, transactionType);
runAsynchronously((Transaction<Boolean, BaseSipMessage>) transaction);
}
public void reInvite(final Dialog dialog) throws DialogStateException {
Logger.log(TAG, "reInvite#started");
assert TransactionUtils.isTransactionExecutionThread()
: "Code run in wrong thread. Must be run in TransactionThread. Now in "
+ Thread.currentThread();
assert !done.get();
assert getStackContext().getDialogStorage().findDialogByCallId(dialog.getCallId()) != null
: "DIALOG being re-invited is already terminated";
if (!done.get()) {
checkReInvitePreconditions(dialog, null);
dialog
.getOutgoingSdpMessage()
.setSessionVersion(dialog.getOutgoingSdpMessage().getSessionVersion() + 1);
doReInvite(dialog, LONG_TRANSACTION_TIMEOUT);
}
Logger.log(TAG, "reInvite#finished");
}
private void doUpdate(Dialog dialog) {
assert TransactionUtils.isTransactionExecutionThread()
: "Code run in wrong thread. Must be run in TransactionThread. Now in "
+ Thread.currentThread();
assert !done.get();
if (dialog.getInitiateParty() == InitiateParty.LOCAL) {
getTransactionManager().findTransaction(dialog, SIP_INVITE_CLIENT).update();
} else {
getTransactionManager().findTransaction(dialog, SIP_INVITE_SERVER).update();
}
}
public void handleIncomingCancel(Request msg) throws DialogStateException {
assert !done.get();
assert msg != null && MessageType.SIP_CANCEL == MessageType.parse(msg.getMethod());
if (!done.get()) {
Logger.log("Remote party has sent SIP_CANCEL");
final Dialog dialog = getStackContext().getDialogStorage().findDialogForMessage(msg);
if (dialog != null) {
dialog.getMessageHistory().addMessage(msg, true);
final InviteSrvTransaction transaction =
getTransactionManager().findTransaction(dialog, SIP_INVITE_SERVER);
if (transaction != null) {
final DialogStateEvent<BaseSipMessage> stateEvent =
new DefaultDialogStateEvent<BaseSipMessage>(
dialog, SessionState.SESSION_TERMINATED, msg);
dialogStateListenerHolder.getNotifier().onSessionTerminated(stateEvent);
dialogStateListenerHolder.getNotifier().onSessionEnded(stateEvent);
// DIALOG.putCustomParameter(ParamKey.INITIAL_MESSAGE, ((Transaction)
// transaction).getInitialMessage());
transaction.cancel();
} else {
// assert false : "Transaction already terminated for msg: " + msg.shortDescription() + "
// dialog: " + dialog;
throw new DialogStateException(
dialog, DialogStateException.Error.REQUEST_FOR_UNKNOWN_DIALOG, msg);
}
} else {
// assert false : "Dialog is already terminated or never exist. Message :" +
// msg.shortDescription();
throw new DialogStateException(
dialog, DialogStateException.Error.REQUEST_FOR_UNKNOWN_DIALOG, msg);
}
}
}
private void doHandleIncomingInvite(
final Request msg,
final Dialog dialog,
final TransactionType<InviteSrvTransaction, ? extends ServerCommonInviteTransaction>
transactionType) {
dialog.getMessageHistory().addMessage(msg, true);
// DIALOG.putCustomParameter(ParamKey.LAST_MESSAGE, msg);
Logger.log("doHandleIncomingInvite", "");
SdpMessage sdp = SipMessageUtils.getSdpFromMessage(msg);
if (sdp != null) {
dialog.setIncomingSdpMessage(sdp);
}
final TransactionManager transactionManager = getTransactionManager();
transactionManager.addListener(
new FirstMessageResolver(transactionType.getName(), dialog, msg, transactionManager));
final InviteSrvTransaction transaction =
transactionManager.lookUpTransaction(dialog, null, transactionType);
runAsynchronously((Transaction<Boolean, BaseSipMessage>) transaction);
}
public void handleIncomingReInvite(final Request msg) throws DialogStateException {
assert TransactionUtils.isTransactionExecutionThread()
: "Code run in wrong thread. Must be run in TransactionThread. Now in "
+ Thread.currentThread();
assert !done.get();
assert msg != null && MessageType.SIP_INVITE == MessageType.parse(msg.getMethod());
if (!done.get()) {
Logger.log("Remote party has sent ReInvite");
final Dialog dialog = getStackContext().getDialogStorage().findDialogForMessage(msg);
assert dialog != null;
checkReInvitePreconditions(dialog, msg);
dialog.markReInviteInProgress(InitiateParty.REMOTE);
TransactionType<InviteSrvTransaction, ? extends ServerCommonInviteTransaction>
transactionType = SIP_REINVITE_SERVER;
doHandleIncomingInvite(msg, dialog, transactionType);
}
}
private void doAcceptUpdate(final Dialog dialog) {
assert TransactionUtils.isTransactionExecutionThread()
: "Code run in wrong thread. Must be run in TransactionThread. Now in "
+ Thread.currentThread();
assert !done.get();
if (dialog.isReInviteInProgress() || dialog.isUpdateInProgress()) {
// transactionType = SIP_REINVITE_SERVER;
TransactionType<UpdateSrvTransaction, UpdateServerTransaction> transactionType =
SIP_UPDATE_SERVER;
getTransactionManager().findTransaction(dialog, transactionType).accept();
} else {
TransactionType<InviteSrvTransaction, ? extends ServerCommonInviteTransaction>
transactionType = SIP_INVITE_SERVER;
getTransactionManager().findTransaction(dialog, transactionType).acceptUpdate();
}
/* if (dialog.getInitiateParty() == InitiateParty.LOCAL) {
getTransactionManager().findTransaction(dialog, SIP_INVITE_CLIENT).acceptUpdate();
}
else {
getTransactionManager().findTransaction(dialog, SIP_INVITE_SERVER).acceptUpdate();
}
*/ }
private void doPreAccept(final Dialog dialog) {
assert TransactionUtils.isTransactionExecutionThread()
: "Code run in wrong thread. Must be run in TransactionThread. Now in "
+ Thread.currentThread();
assert !done.get();
TransactionType<InviteSrvTransaction, ? extends ServerCommonInviteTransaction> transactionType;
if (dialog.isReInviteInProgress()) {
transactionType = SIP_REINVITE_SERVER;
} else {
transactionType = SIP_INVITE_SERVER;
}
getTransactionManager().findTransaction(dialog, transactionType).preAccept();
}
/**
* Rejects server invite
*
* @param dialog - associated DIALOG
* @param statusCode - status code to send to remote party
* @param alternativeUserAddress - alternative USER address for status code 302(Moved)
*/
private void doReject(
final Dialog dialog, final int statusCode, final String alternativeUserAddress) {
assert TransactionUtils.isTransactionExecutionThread()
: "Code run in wrong thread. Must be run in TransactionThread. Now in "
+ Thread.currentThread();
assert !done.get();
TransactionType<InviteSrvTransaction, ? extends ServerCommonInviteTransaction> transactionType;
if (dialog.isReInviteInProgress()) {
transactionType = SIP_REINVITE_SERVER;
} else {
transactionType = SIP_INVITE_SERVER;
}
assert transactionType == SIP_INVITE_SERVER || statusCode == 488;
getTransactionManager()
.findTransaction(dialog, transactionType)
.reject(statusCode, alternativeUserAddress);
}
private void doRejectUpdate(
final Dialog dialog, final int statusCode, final String alternativeUserAddress) {
assert TransactionUtils.isTransactionExecutionThread()
: "Code run in wrong thread. Must be run in TransactionThread. Now in "
+ Thread.currentThread();
assert !done.get();
if (dialog.getInitiateParty() == InitiateParty.LOCAL) {
getTransactionManager()
.findTransaction(dialog, SIP_INVITE_CLIENT)
.rejectUpdate(statusCode, alternativeUserAddress);
} else {
// getTransactionManager().findTransaction(dialog, SIP_INVITE_SERVER).rejectUpdate(statusCode,
// alternativeUserAddress);
TransactionType<UpdateSrvTransaction, UpdateServerTransaction> transactionType =
SIP_UPDATE_SERVER;
getTransactionManager()
.findTransaction(dialog, transactionType)
.reject(statusCode, alternativeUserAddress);
}
}
/** This method tries to invite remote party */
public void invite(final Dialog dialog) throws DialogStateException {
Logger.log(TAG, "invite#started");
assert TransactionUtils.isTransactionExecutionThread()
: "Code run in wrong thread. Must be run in TransactionThread. Now in "
+ Thread.currentThread();
assert !done.get();
if (!done.get()) {
if (STATED == dialog.getState()) {
throw new DialogStateException(
dialog,
INVITE_FOR_STATED_DIALOG,
null,
"Can not invite remote party. Dialog is already stated.");
}
if (getStackContext().getConfig().useInviteRefresh()) {
addDialogStateListener(dialog, listenerForInviteRefresh);
}
doInvite(dialog, LONG_TRANSACTION_TIMEOUT);
}
Logger.log(TAG, "invite#finished");
}