diff options
Diffstat (limited to 'services/java/com/android/server/sip/SipHelper.java')
| -rw-r--r-- | services/java/com/android/server/sip/SipHelper.java | 464 |
1 files changed, 0 insertions, 464 deletions
diff --git a/services/java/com/android/server/sip/SipHelper.java b/services/java/com/android/server/sip/SipHelper.java deleted file mode 100644 index 050eddc..0000000 --- a/services/java/com/android/server/sip/SipHelper.java +++ /dev/null @@ -1,464 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.android.server.sip; - -import gov.nist.javax.sip.SipStackExt; -import gov.nist.javax.sip.clientauthutils.AccountManager; -import gov.nist.javax.sip.clientauthutils.AuthenticationHelper; - -import android.net.sip.SipProfile; -import android.util.Log; - -import java.text.ParseException; -import java.util.ArrayList; -import java.util.EventObject; -import java.util.List; -import javax.sip.ClientTransaction; -import javax.sip.Dialog; -import javax.sip.DialogTerminatedEvent; -import javax.sip.InvalidArgumentException; -import javax.sip.ListeningPoint; -import javax.sip.PeerUnavailableException; -import javax.sip.RequestEvent; -import javax.sip.ResponseEvent; -import javax.sip.ServerTransaction; -import javax.sip.SipException; -import javax.sip.SipFactory; -import javax.sip.SipProvider; -import javax.sip.SipStack; -import javax.sip.Transaction; -import javax.sip.TransactionAlreadyExistsException; -import javax.sip.TransactionTerminatedEvent; -import javax.sip.TransactionUnavailableException; -import javax.sip.TransactionState; -import javax.sip.address.Address; -import javax.sip.address.AddressFactory; -import javax.sip.address.SipURI; -import javax.sip.header.CSeqHeader; -import javax.sip.header.CallIdHeader; -import javax.sip.header.ContactHeader; -import javax.sip.header.FromHeader; -import javax.sip.header.Header; -import javax.sip.header.HeaderFactory; -import javax.sip.header.MaxForwardsHeader; -import javax.sip.header.ToHeader; -import javax.sip.header.ViaHeader; -import javax.sip.message.Message; -import javax.sip.message.MessageFactory; -import javax.sip.message.Request; -import javax.sip.message.Response; - -/** - * Helper class for holding SIP stack related classes and for various low-level - * SIP tasks like sending messages. - */ -class SipHelper { - private static final String TAG = SipHelper.class.getSimpleName(); - private static final boolean DEBUG = true; - - private SipStack mSipStack; - private SipProvider mSipProvider; - private AddressFactory mAddressFactory; - private HeaderFactory mHeaderFactory; - private MessageFactory mMessageFactory; - - public SipHelper(SipStack sipStack, SipProvider sipProvider) - throws PeerUnavailableException { - mSipStack = sipStack; - mSipProvider = sipProvider; - - SipFactory sipFactory = SipFactory.getInstance(); - mAddressFactory = sipFactory.createAddressFactory(); - mHeaderFactory = sipFactory.createHeaderFactory(); - mMessageFactory = sipFactory.createMessageFactory(); - } - - private FromHeader createFromHeader(SipProfile profile, String tag) - throws ParseException { - return mHeaderFactory.createFromHeader(profile.getSipAddress(), tag); - } - - private ToHeader createToHeader(SipProfile profile) throws ParseException { - return createToHeader(profile, null); - } - - private ToHeader createToHeader(SipProfile profile, String tag) - throws ParseException { - return mHeaderFactory.createToHeader(profile.getSipAddress(), tag); - } - - private CallIdHeader createCallIdHeader() { - return mSipProvider.getNewCallId(); - } - - private CSeqHeader createCSeqHeader(String method) - throws ParseException, InvalidArgumentException { - long sequence = (long) (Math.random() * 10000); - return mHeaderFactory.createCSeqHeader(sequence, method); - } - - private MaxForwardsHeader createMaxForwardsHeader() - throws InvalidArgumentException { - return mHeaderFactory.createMaxForwardsHeader(70); - } - - private MaxForwardsHeader createMaxForwardsHeader(int max) - throws InvalidArgumentException { - return mHeaderFactory.createMaxForwardsHeader(max); - } - - private ListeningPoint getListeningPoint() throws SipException { - ListeningPoint lp = mSipProvider.getListeningPoint(ListeningPoint.UDP); - if (lp == null) lp = mSipProvider.getListeningPoint(ListeningPoint.TCP); - if (lp == null) { - ListeningPoint[] lps = mSipProvider.getListeningPoints(); - if ((lps != null) && (lps.length > 0)) lp = lps[0]; - } - if (lp == null) { - throw new SipException("no listening point is available"); - } - return lp; - } - - private List<ViaHeader> createViaHeaders() - throws ParseException, SipException { - List<ViaHeader> viaHeaders = new ArrayList<ViaHeader>(1); - ListeningPoint lp = getListeningPoint(); - ViaHeader viaHeader = mHeaderFactory.createViaHeader(lp.getIPAddress(), - lp.getPort(), lp.getTransport(), null); - viaHeader.setRPort(); - viaHeaders.add(viaHeader); - return viaHeaders; - } - - private ContactHeader createContactHeader(SipProfile profile) - throws ParseException, SipException { - ListeningPoint lp = getListeningPoint(); - SipURI contactURI = - createSipUri(profile.getUserName(), profile.getProtocol(), lp); - - Address contactAddress = mAddressFactory.createAddress(contactURI); - contactAddress.setDisplayName(profile.getDisplayName()); - - return mHeaderFactory.createContactHeader(contactAddress); - } - - private ContactHeader createWildcardContactHeader() { - ContactHeader contactHeader = mHeaderFactory.createContactHeader(); - contactHeader.setWildCard(); - return contactHeader; - } - - private SipURI createSipUri(String username, String transport, - ListeningPoint lp) throws ParseException { - SipURI uri = mAddressFactory.createSipURI(username, lp.getIPAddress()); - try { - uri.setPort(lp.getPort()); - uri.setTransportParam(transport); - } catch (InvalidArgumentException e) { - throw new RuntimeException(e); - } - return uri; - } - - public ClientTransaction sendKeepAlive(SipProfile userProfile, String tag) - throws SipException { - try { - Request request = createRequest(Request.OPTIONS, userProfile, tag); - - ClientTransaction clientTransaction = - mSipProvider.getNewClientTransaction(request); - clientTransaction.sendRequest(); - return clientTransaction; - } catch (Exception e) { - throw new SipException("sendKeepAlive()", e); - } - } - - public ClientTransaction sendRegister(SipProfile userProfile, String tag, - int expiry) throws SipException { - try { - Request request = createRequest(Request.REGISTER, userProfile, tag); - if (expiry == 0) { - // remove all previous registrations by wildcard - // rfc3261#section-10.2.2 - request.addHeader(createWildcardContactHeader()); - } else { - request.addHeader(createContactHeader(userProfile)); - } - request.addHeader(mHeaderFactory.createExpiresHeader(expiry)); - - ClientTransaction clientTransaction = - mSipProvider.getNewClientTransaction(request); - clientTransaction.sendRequest(); - return clientTransaction; - } catch (ParseException e) { - throw new SipException("sendRegister()", e); - } - } - - private Request createRequest(String requestType, SipProfile userProfile, - String tag) throws ParseException, SipException { - FromHeader fromHeader = createFromHeader(userProfile, tag); - ToHeader toHeader = createToHeader(userProfile); - SipURI requestURI = mAddressFactory.createSipURI("sip:" - + userProfile.getSipDomain()); - List<ViaHeader> viaHeaders = createViaHeaders(); - CallIdHeader callIdHeader = createCallIdHeader(); - CSeqHeader cSeqHeader = createCSeqHeader(requestType); - MaxForwardsHeader maxForwards = createMaxForwardsHeader(); - Request request = mMessageFactory.createRequest(requestURI, - requestType, callIdHeader, cSeqHeader, fromHeader, - toHeader, viaHeaders, maxForwards); - Header userAgentHeader = mHeaderFactory.createHeader("User-Agent", - "SIPAUA/0.1.001"); - request.addHeader(userAgentHeader); - return request; - } - - public ClientTransaction handleChallenge(ResponseEvent responseEvent, - AccountManager accountManager) throws SipException { - AuthenticationHelper authenticationHelper = - ((SipStackExt) mSipStack).getAuthenticationHelper( - accountManager, mHeaderFactory); - ClientTransaction tid = responseEvent.getClientTransaction(); - ClientTransaction ct = authenticationHelper.handleChallenge( - responseEvent.getResponse(), tid, mSipProvider, 5); - ct.sendRequest(); - return ct; - } - - public ClientTransaction sendInvite(SipProfile caller, SipProfile callee, - String sessionDescription, String tag) - throws SipException { - try { - FromHeader fromHeader = createFromHeader(caller, tag); - ToHeader toHeader = createToHeader(callee); - SipURI requestURI = callee.getUri(); - List<ViaHeader> viaHeaders = createViaHeaders(); - CallIdHeader callIdHeader = createCallIdHeader(); - CSeqHeader cSeqHeader = createCSeqHeader(Request.INVITE); - MaxForwardsHeader maxForwards = createMaxForwardsHeader(); - - Request request = mMessageFactory.createRequest(requestURI, - Request.INVITE, callIdHeader, cSeqHeader, fromHeader, - toHeader, viaHeaders, maxForwards); - - request.addHeader(createContactHeader(caller)); - request.setContent(sessionDescription, - mHeaderFactory.createContentTypeHeader( - "application", "sdp")); - - ClientTransaction clientTransaction = - mSipProvider.getNewClientTransaction(request); - if (DEBUG) Log.d(TAG, "send INVITE: " + request); - clientTransaction.sendRequest(); - return clientTransaction; - } catch (ParseException e) { - throw new SipException("sendInvite()", e); - } - } - - public ClientTransaction sendReinvite(Dialog dialog, - String sessionDescription) throws SipException { - try { - Request request = dialog.createRequest(Request.INVITE); - request.setContent(sessionDescription, - mHeaderFactory.createContentTypeHeader( - "application", "sdp")); - - ClientTransaction clientTransaction = - mSipProvider.getNewClientTransaction(request); - if (DEBUG) Log.d(TAG, "send RE-INVITE: " + request); - dialog.sendRequest(clientTransaction); - return clientTransaction; - } catch (ParseException e) { - throw new SipException("sendReinvite()", e); - } - } - - private ServerTransaction getServerTransaction(RequestEvent event) - throws SipException { - ServerTransaction transaction = event.getServerTransaction(); - if (transaction == null) { - Request request = event.getRequest(); - return mSipProvider.getNewServerTransaction(request); - } else { - return transaction; - } - } - - /** - * @param event the INVITE request event - */ - public ServerTransaction sendRinging(RequestEvent event, String tag) - throws SipException { - try { - Request request = event.getRequest(); - ServerTransaction transaction = getServerTransaction(event); - - Response response = mMessageFactory.createResponse(Response.RINGING, - request); - - ToHeader toHeader = (ToHeader) response.getHeader(ToHeader.NAME); - toHeader.setTag(tag); - response.addHeader(toHeader); - if (DEBUG) Log.d(TAG, "send RINGING: " + response); - transaction.sendResponse(response); - return transaction; - } catch (ParseException e) { - throw new SipException("sendRinging()", e); - } - } - - /** - * @param event the INVITE request event - */ - public ServerTransaction sendInviteOk(RequestEvent event, - SipProfile localProfile, String sessionDescription, - ServerTransaction inviteTransaction) - throws SipException { - try { - Request request = event.getRequest(); - Response response = mMessageFactory.createResponse(Response.OK, - request); - response.addHeader(createContactHeader(localProfile)); - response.setContent(sessionDescription, - mHeaderFactory.createContentTypeHeader( - "application", "sdp")); - - if (inviteTransaction == null) { - inviteTransaction = getServerTransaction(event); - } - - if (inviteTransaction.getState() != TransactionState.COMPLETED) { - if (DEBUG) Log.d(TAG, "send OK: " + response); - inviteTransaction.sendResponse(response); - } - - return inviteTransaction; - } catch (ParseException e) { - throw new SipException("sendInviteOk()", e); - } - } - - public void sendInviteBusyHere(RequestEvent event, - ServerTransaction inviteTransaction) throws SipException { - try { - Request request = event.getRequest(); - Response response = mMessageFactory.createResponse( - Response.BUSY_HERE, request); - - if (inviteTransaction.getState() != TransactionState.COMPLETED) { - if (DEBUG) Log.d(TAG, "send BUSY HERE: " + response); - inviteTransaction.sendResponse(response); - } - } catch (ParseException e) { - throw new SipException("sendInviteBusyHere()", e); - } - } - - /** - * @param event the INVITE ACK request event - */ - public void sendInviteAck(ResponseEvent event, Dialog dialog) - throws SipException { - Response response = event.getResponse(); - long cseq = ((CSeqHeader) response.getHeader(CSeqHeader.NAME)) - .getSeqNumber(); - Request ack = dialog.createAck(cseq); - if (DEBUG) Log.d(TAG, "send ACK: " + ack); - dialog.sendAck(ack); - } - - public void sendBye(Dialog dialog) throws SipException { - Request byeRequest = dialog.createRequest(Request.BYE); - if (DEBUG) Log.d(TAG, "send BYE: " + byeRequest); - dialog.sendRequest(mSipProvider.getNewClientTransaction(byeRequest)); - } - - public void sendCancel(ClientTransaction inviteTransaction) - throws SipException { - Request cancelRequest = inviteTransaction.createCancel(); - if (DEBUG) Log.d(TAG, "send CANCEL: " + cancelRequest); - mSipProvider.getNewClientTransaction(cancelRequest).sendRequest(); - } - - public void sendResponse(RequestEvent event, int responseCode) - throws SipException { - try { - Response response = mMessageFactory.createResponse( - responseCode, event.getRequest()); - if (DEBUG) Log.d(TAG, "send response: " + response); - getServerTransaction(event).sendResponse(response); - } catch (ParseException e) { - throw new SipException("sendResponse()", e); - } - } - - public void sendInviteRequestTerminated(Request inviteRequest, - ServerTransaction inviteTransaction) throws SipException { - try { - Response response = mMessageFactory.createResponse( - Response.REQUEST_TERMINATED, inviteRequest); - if (DEBUG) Log.d(TAG, "send response: " + response); - inviteTransaction.sendResponse(response); - } catch (ParseException e) { - throw new SipException("sendInviteRequestTerminated()", e); - } - } - - public static String getCallId(EventObject event) { - if (event == null) return null; - if (event instanceof RequestEvent) { - return getCallId(((RequestEvent) event).getRequest()); - } else if (event instanceof ResponseEvent) { - return getCallId(((ResponseEvent) event).getResponse()); - } else if (event instanceof DialogTerminatedEvent) { - Dialog dialog = ((DialogTerminatedEvent) event).getDialog(); - return getCallId(((DialogTerminatedEvent) event).getDialog()); - } else if (event instanceof TransactionTerminatedEvent) { - TransactionTerminatedEvent e = (TransactionTerminatedEvent) event; - return getCallId(e.isServerTransaction() - ? e.getServerTransaction() - : e.getClientTransaction()); - } else { - Object source = event.getSource(); - if (source instanceof Transaction) { - return getCallId(((Transaction) source)); - } else if (source instanceof Dialog) { - return getCallId((Dialog) source); - } - } - return ""; - } - - public static String getCallId(Transaction transaction) { - return ((transaction != null) ? getCallId(transaction.getRequest()) - : ""); - } - - private static String getCallId(Message message) { - CallIdHeader callIdHeader = - (CallIdHeader) message.getHeader(CallIdHeader.NAME); - return callIdHeader.getCallId(); - } - - private static String getCallId(Dialog dialog) { - return dialog.getCallId().getCallId(); - } -} |