我已经实现了一个可以使用 MJSIP 接收简单消息的 android 程序，问题是我也希望能够发送消息，我的课程是：
package org.sipdroid.sipua.ui;
import java.util.Iterator;
import java.util.Locale;
import java.util.Vector;
import org.sipdroid.sipua.SipdroidEngine;
import org.zoolu.sip.address.NameAddress;
import org.zoolu.sip.address.SipURL;
import org.zoolu.sip.call.CallListenerAdapter;
import org.zoolu.sip.dialog.Dialog;
import org.zoolu.sip.dialog.InviteDialog;
import org.zoolu.sip.header.FromHeader;
import org.zoolu.sip.header.Header;
import org.zoolu.sip.header.RecordRouteHeader;
import org.zoolu.sip.header.ToHeader;
import org.zoolu.sip.message.Message;
import org.zoolu.sip.message.MessageFactory;
import org.zoolu.sip.message.SipMethods;
import org.zoolu.sip.message.SipResponses;
import org.zoolu.sip.provider.ConnectionIdentifier;
import org.zoolu.sip.provider.DialogIdentifier;
import org.zoolu.sip.provider.SipProvider;
import org.zoolu.sip.provider.SipProviderListener;
import org.zoolu.sip.provider.TransactionIdentifier;
import org.zoolu.sip.transaction.AckTransactionServer;
import org.zoolu.sip.transaction.AckTransactionServerListener;
import org.zoolu.sip.transaction.InviteTransactionServer;
import org.zoolu.sip.transaction.InviteTransactionServerListener;
import org.zoolu.sip.transaction.TransactionClient;
import org.zoolu.sip.transaction.TransactionClientListener;
import org.zoolu.sip.transaction.TransactionServer;
import org.zoolu.sip.transaction.TransactionServerListener;
import org.zoolu.tools.LogLevel;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.CharArrayReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.PipedInputStream;
import java.io.Reader;
import java.io.StringReader;
import org.w3c.dom.*;
import org.xml.sax.SAXException;
import javax.xml.XMLConstants;
import javax.xml.namespace.NamespaceContext;
import javax.xml.parsers.*;
import javax.xml.xpath.*;
import android.content.Intent;
import android.speech.tts.TextToSpeech;
import android.util.Log;
public class IMHandler extends TransactionServer implements TransactionClientListener,SipProviderListener,TransactionServerListener,
InviteTransactionServerListener, AckTransactionServerListener,
TextToSpeech.OnInitListener{
private SipProvider sip_provider;
private Message message;
private TransactionServer ts;
private AckTransactionServer ack_ts;
private String callee;
private TextToSpeech mTts;
private String contact_url;
private boolean firstTime = true;
/** constructor */
public IMHandler(SipProvider sip_provider) {
super(sip_provider);
this.sip_provider = sip_provider;
listen();
Log.e("IMHandler"," <Constructor> IMHandler");
mTts = new TextToSpeech(Receiver.mContext, this);
}
public void setMessage( Message message){
this.message = message;
}
/** Starts a new InviteTransactionServer. */
public void listen() {
ts = new TransactionServer(sip_provider,"MESSAGE", this);
ts.listen();
Log.e("IMHandler","<listen> LISTENING FOR INCOMING IM MSGS ....");
}
public void sendMessage(String callee, String caller, String contact,String session_descriptor, String icsi){
this.callee = callee;
this.contact_url = contact;
Log.e("IMHandler","********** callee::"+callee+" caller::"+caller+" contact::"+contact+" *************");
NameAddress to_url = new NameAddress(callee);
NameAddress from_url = new NameAddress(caller);
SipURL request_uri = to_url.getAddress();
NameAddress contact_url = null;
if (contact != null) {
if (contact.indexOf("sip:") >= 0)
contact_url = new NameAddress(contact);
else
contact_url = new NameAddress(new SipURL(contact,sip_provider. getViaAddress(),sip_provider.getPort()));
} else
contact_url = from_url;
Message messageIM = MessageFactory.createMessageRequest(sip_provider, to_url, from_url, "HELLO", "text/plain", "HELLO WORLD");
message = messageIM;
sendIM(messageIM);
}
/**
* Starts a new InviteTransactionClient and initializes the dialog state
* information
*
* @param invite
* the INVITE message
*/
public void sendIM(Message messageIM) {
TransactionClient invite_tc = new TransactionClient(sip_provider, message, this);
invite_tc.request();
}
@Override
public void onTransProvisionalResponse(
org.zoolu.sip.transaction.TransactionClient tc, Message resp) {
Log.e("IMHandler"," <onTransProvisionalResponse> ##################");
// TODO Auto-generated method stub
}
@Override
public void onTransSuccessResponse(
org.zoolu.sip.transaction.TransactionClient tc, Message resp) {
Log.e("IMHandler"," <onTransSuccessResponse> ##################");
// TODO Auto-generated method stub
}
@Override
public void onTransFailureResponse(
org.zoolu.sip.transaction.TransactionClient tc, Message resp) {
Log.e("IMHandler"," <onTransFailureResponse> ##################");
// TODO Auto-generated method stub
}
@Override
public void onTransTimeout(org.zoolu.sip.transaction.TransactionClient tc) {
Log.e("IMHandler"," <onTransTimeout> ##################");
// TODO Auto-generated method stub
}
public Message sendResponce(String callee, String caller, String contact,Message req,NameAddress contact_address){
this.callee = callee;
Log.e("IMHandler","********** callee::"+callee+" caller::"+caller+" contact::"+contact+" *************");
NameAddress to_url = new NameAddress(callee);
NameAddress from_url = new NameAddress(caller);
SipURL request_uri = to_url.getAddress();
NameAddress contact_url = null;
if (contact != null) {
if (contact.indexOf("sip:") >= 0)
contact_url = new NameAddress(contact);
else
contact_url = new NameAddress(new SipURL(contact,sip_provider. getViaAddress(),sip_provider.getPort()));
} else
contact_url = from_url;
Message resp = MessageFactory.createResponse(req, 200,SipResponses.reasonOf(200), contact_address);
}
@Override
public void onTransRequest(TransactionServer ts, Message req) {
DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
domFactory.setNamespaceAware(true); // never forget this!
DocumentBuilder builder;
try {
builder = domFactory.newDocumentBuilder();
Log.e("IMHandler","<onTransRequest> parsing body:: "+ req.getBody());
InputStream is = new ByteArrayInputStream(req.getBody().getBytes());
final Document doc = builder.parse(is );
NamespaceContext NMC = new NamespaceContext() {
public String getNamespaceURI(String s) {
if (s.equals(XMLConstants.DEFAULT_NS_PREFIX))
return doc.lookupNamespaceURI(null);
else
return doc.lookupNamespaceURI(s);
}
public String getPrefix(String s) {
return doc.lookupPrefix(s);
}
public Iterator getPrefixes(String s) {
return null;
}
};
NodeList nodes =doc.getChildNodes();// (NodeList) result;
Log.e("IMHandler"," <PARSING> *************** result ***********"+nodes.getLength());
for (int i = 0; i < nodes.getLength(); i++) {
Log.e("IMHandler"," <PARSING> *************** PARSING ***********");
Log.e("IMHandler"," <PARSING> NodeValue"+nodes.item(i).getNodeName());
Log.e("IMHandler"," <PARSING> *************** /PARSING ***********");
}
} catch (ParserConfigurationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SAXException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
String msg = req.getBody().replaceAll("<(.|\n)*?>","");
if(firstTime ){
Receiver.showIM();
firstTime = false;
}else{
Receiver.getMessageListener().setFrom(req.getFromHeader().getValue());
Receiver.getMessageListener().messageReceived(msg);
}
mTts.speak(msg,TextToSpeech.QUEUE_FLUSH, null);
NameAddress contact_address = new NameAddress("win@192.168.1.10");
ConnectionIdentifier conn_id = ts.getConnectionId();
Message resp = sendResponce(contact_address.toString(),"maxsap@192.168.1.9","maxsap@192.168.1.9",req,contact_address);
ts.respondWith(resp);
listen();
}
/**
* Responds with <i>resp</i>. This method can be called when the
* InviteDialog is in D_INVITED or D_BYED states.
* <p>
* If the CSeq method is INVITE and the response is 2xx, it moves to state
* D_ACCEPTED, adds a new listener to the SipProviderListener, and creates
* new AckTransactionServer
* <p>
* If the CSeq method is INVITE and the response is not 2xx, it moves to
* state D_REFUSED, and sends the response.
*/
public void respond(Message resp)
{
Log.d("IMHandler","<respond> inside respond(resp)");
String method = resp.getCSeqHeader().getMethod();
int code = resp.getStatusLine().getCode();
if (code >= 200 && code < 300) {
ts.terminate();
ConnectionIdentifier conn_id = ts.getConnectionId();
ack_ts = new AckTransactionServer(sip_provider, conn_id, resp,this);
ack_ts.respond();
return;
}
}
/**
* Responds with <i>code</i> and <i>reason</i>. This method can be called
* when the InviteDialog is in D_INVITED, D_ReINVITED states
*/
public void respond(int code, String reason, String contact, Message req) {
Log.d("InviteDialog","<respond> inside respond(" + code + "," + reason + ")");
NameAddress contact_address = null;
if (contact != null)
contact_address = new NameAddress(contact);
Message resp = MessageFactory.createResponse(req, code,
reason, contact_address);
respond(resp);
}
@Override
public void onTransAckTimeout(AckTransactionServer transaction) {
Log.e("IMHandler"," <onTransAckTimeout> ##################");
// TODO Auto-generated method stub
}
@Override
public void onTransFailureAck(InviteTransactionServer ts, Message ack) {
Log.e("IMHandler"," <onTransFailureAck> ##################");
// TODO Auto-generated method stub
}
@Override
public void onReceivedMessage(SipProvider sip_provider, Message message) {
Log.e("IMHandler"," <onReceivedMessage> ##################");
//NameAddress contact_address = new NameAddress("win@192.168.1.10");
// Message resp = MessageFactory.createResponse(req, 200,SipResponses.reasonOf(200), contact_address);
// ts.respondWith(resp);
// TODO Auto-generated method stub
}
// Implements TextToSpeech.OnInitListener.
public void onInit(int status) {
if (status == TextToSpeech.SUCCESS) {
int result = mTts.setLanguage(Locale.US);
if (result == TextToSpeech.LANG_MISSING_DATA ||
result == TextToSpeech.LANG_NOT_SUPPORTED) {
Log.e("IMHandler", "Language is not available.");
} else {
Log.i("IMHandler", "Language found and TTS is initiated.");
}
} else {
Log.e("IMHandler", "Could not initialize TextToSpeech.");
}
}
}
此类能够接收从 sip 客户端发送的消息并做出响应。但我想使用发送消息方法启动即时消息会话。我正在初始化一个事务客户端，然后调用请求方法，但没有任何反应，没有错误，没有异常，也没有发送消息。有人能告诉我我做错了什么吗？