public SipParserContext(SipMessageFactory messageFactory, SipHeaderFactory headerFactory)
{
_logger.Trace("Constructor called.");
_messageFactory = messageFactory;
_headerFactory = headerFactory;
_sipParser = new SipParser(this);
}
public SipParserTest()
{
_parser = new SipParser();
_parser.HeaderParsed += OnHeader;
_parser.BodyBytesReceived += OnBody;
_parser.MessageComplete += OnComplete;
}
public void UnderstandCompactHeadersTest()
{
var mock = new Mock <ISipParserHandler>();
SipParser parser = new SipParser(mock.Object);
byte[] messageBytes = Encoding.ASCII.GetBytes(ExampleSipRequests.SimpleInvite);
parser.ParseRequest(messageBytes);
Assert.Equal(@"""Test 15"" <sip:[email protected]>tag=as58f4201b", parser.Headers["f"].First()); //NOTE: "f" is "from"
Assert.Equal(@"<sip:[email protected]>", parser.Headers["t"].First()); //NOTE: "t" is "from"
Assert.Equal(@"SIP/2.0/UDP 10.10.1.99:5060;branch=z9hG4bK343bf628;rport", parser.Headers["v"].First()); //NOTE: "v" is "Via"
Assert.Equal(@"<sip:[email protected]>", parser.Headers["m"].First()); //NOTE: "m" is "Contact"
Assert.Equal(@"[email protected]", parser.Headers["i"].First()); //NOTE: "i" is "call-id"
Assert.Equal(@"INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY", parser.Headers["u"].First()); //NOTE: "u" is "Allow-Events"
Assert.Equal(@"replaces", parser.Headers["k"].First()); //NOTE: "k" is "supported"
Assert.Equal(@"application/sdp", parser.Headers["c"].First()); //NOTE: "c" is "Content-Type"
Assert.Equal(@"258", parser.Headers["l"].First()); //NOTE: "l" is "Content-Length"
Assert.Single(parser.ViaHeaders);
//Assert.Equal(@"xxxxxxxx", parser.Headers["o"].First()); //NOTE: "o" is "Event"
//Assert.Equal(@"xxxxxxxx", parser.Headers["e"].First()); //NOTE: "e" is "Content-Encoding"
//CSeq: 102 INVITE
//User-Agent: Asterisk PBX
//Max-Forwards: 70
//Date: Wed, 06 Dec 2009 14:12:45 GMT
}
public void ParseRequest_ValidFirstLine_ResultIsTrue(string firstLine)
{
var message = $"{firstLine}{EndOfHeaders}";
var messageBytes = Encoding.UTF8.GetBytes(message);
var result = SipParser.TryParseRequest(messageBytes, out var request);
Assert.True(result);
}
public void ParseResponse_InvalidFirstLine_ResultIsFalse(string firstLine)
{
var message = $"{firstLine}{EndOfHeaders}";
var messageBytes = Encoding.UTF8.GetBytes(message);
var result = SipParser.TryParseResponse(messageBytes, out var response);
Assert.False(result);
}
public void MissingHeaderThrowsSomethingTest()
{
var mock = new Mock <ISipParserHandler>();
SipParser parser = new SipParser(mock.Object);
byte[] messageBytes = Encoding.ASCII.GetBytes(ExampleSipRequests.SimpleInvite);
parser.ParseRequest(messageBytes);
Assert.Throws <KeyNotFoundException>(() => parser.Headers["Header Which Is Not There"]); //TODO: maybe some other kind of exception? or a NULL return value?
}
public void TortuousInviteRawSipHeaderTextTest()
{
string expectedBody = @"v=0
o=mhandley 29739 7272939 IN IP4 192.0.2.3
s=-
c=IN IP4 192.0.2.4
t=0 0
m=audio 49217 RTP/AVP 0 12
m=video 3227 RTP/AVP 31
a=rtpmap:31 LPC
";
var mock = new Mock <ISipParserHandler>();
SipParser parser = new SipParser(mock.Object);
byte[] messageBytes = Encoding.ASCII.GetBytes(Rfc4475TestMessages.AShortTortuousINVITE);
parser.ParseRequest(messageBytes);
//NOTE: these asserts look ugly because we are testing the RAW text from the message
Assert.Equal("INVITE sip:[email protected];unknownparam SIP/2.0", parser.RequestLine); //TODO: drill in for just the parts: verb, sip address (without that "unknownparam" bit), etc.
Assert.Equal(13, parser.Headers.Count);
Assert.Equal("sip:[email protected] ; tag = 1918181833n", parser.Headers["to"].First()); //TODO: drill in to strip that "tag" bit
Assert.Equal(@"""J Rosenberg \\\"""" <sip:[email protected]>
;
tag = 98asjd8", parser.Headers["from"].First()); //TODO: drill in to separate the torture cruft
Assert.Equal("0068", parser.Headers["max-forwards"].First());
Assert.Equal("[email protected]", parser.Headers["call-id"].First());
Assert.Equal("150", parser.Headers["Content-Length"].First());
Assert.Equal(@"0009
INVITE", parser.Headers["cseq"].First()); //TODO - its ugly, probably not right
Assert.Equal(@"SIP / 2.0
/UDP
192.0.2.2;branch=390skdjuw", parser.Headers["via"].First()); //TODO - its ugly, probably not right
Assert.Equal("", parser.Headers["s"].First());
Assert.Equal(@"newfangled value
continued newfangled value", parser.Headers["NewFangledHeader"].First());
Assert.Equal(";;,,;;,;", parser.Headers["UnknownHeaderWithUnusualValue"].First());
Assert.Equal("application/sdp", parser.Headers["Content-Type"].First());
Assert.Equal("<sip:services.example.com;lr;unknownwith=value;unknown-no-value>", parser.Headers["Route"].First());
Assert.Equal(@"SIP / 2.0 / TCP spindle.example.com ;
branch = z9hG4bK9ikj8 ,
SIP / 2.0 / UDP 192.168.255.111 ; branch=
z9hG4bK30239", parser.Headers["v"].Last()); //NOTE: there were 2 "Via" in the torture header, one was a "v", ahem...
Assert.Equal(@"""Quoted string \""\"""" <sip:[email protected]> ; newparam =
newvalue ;
secondparam ; q = 0.33", parser.Headers["m"].First());
Assert.Equal(2, parser.ViaHeaders.Count());
Assert.Equal(expectedBody, parser.Body); //TODO: drill in
}
public void ParseHeaders_HeaderIsInvalid(string header)
{
var message = $@"REGISTER sip:ss2.wcom.com SIP/2.0
{header}
{EndOfHeaders}";
var messageBytes = Encoding.UTF8.GetBytes(message);
SipParser.TryParseRequest(messageBytes, out var request);
var headerEnumerator = request.Headers.GetEnumerator();
Assert.False(headerEnumerator.MoveNext());
}
protected async override Task ProcessAsync(Datagram value)
{
await NextAsync(value);
if (SipParser.TryParseResponse(value.Buffer, out var response))
{
await responseBuffer.SendAsync(response);
}
else if (SipParser.TryParseRequest(value.Buffer, out var request))
{
await requestBuffer.SendAsync(request);
}
}
public void ParseHeaders_HeaderIsValid(string header, string name, string value)
{
var message = $@"REGISTER sip:ss2.wcom.com SIP/2.0
{header}
{EndOfHeaders}";
var messageBytes = Encoding.UTF8.GetBytes(message);
SipParser.TryParseRequest(messageBytes, out var request);
var headerEnumerator = request.Headers.GetEnumerator();
Assert.True(headerEnumerator.MoveNext());
Assert.Equal(name, headerEnumerator.Current.Name);
Assert.Equal(value, headerEnumerator.Current.Value);
}
public void ParseFullResponse()
{
var message = @"SIP/2.0 200 IT'S OK, BRO!
Via:SIP/2.0/UDP there.com:5060;branch=wsodil7987kjh
From: LittleGuy <sip:[email protected]>
To: sip:[email protected];branch=sduf9897s;
Call-ID: [email protected]
CSeq : 1 REGISTER
Contact: <sip:[email protected];user=phone>;expires=3600
Contact: <mailto:[email protected]>;expires=4294967295
Content-Length: 8
asdf";
var messageBytes = Encoding.UTF8.GetBytes(message);
var result = SipParser.TryParseResponse(messageBytes, out var response);
var headers = new List <SipHeader>();
foreach (var header in response.Headers)
{
headers.Add(header);
}
var body = Encoding.UTF8.GetString(response.Body.ToArray());
Assert.True(result);
Assert.Equal("SIP/2.0", response.Version);
Assert.Equal("200", response.StatusCode);
Assert.Equal("IT'S OK, BRO! ", response.ReasonPhrase);
Assert.Equal(8, headers.Count);
Assert.Equal("Via", headers[0].Name);
Assert.Equal("SIP/2.0/UDP there.com:5060;branch=wsodil7987kjh", headers[0].Value);
Assert.Equal("From", headers[1].Name);
Assert.Equal("LittleGuy <sip:[email protected]>", headers[1].Value);
Assert.Equal("To", headers[2].Name);
Assert.Equal("sip:[email protected];branch=sduf9897s;", headers[2].Value);
Assert.Equal("Call-ID", headers[3].Name);
Assert.Equal("*****@*****.**", headers[3].Value);
Assert.Equal("CSeq", headers[4].Name);
Assert.Equal("1 REGISTER", headers[4].Value);
Assert.Equal("Contact", headers[5].Name);
Assert.Equal("<sip:[email protected];user=phone>;expires=3600", headers[5].Value);
Assert.Equal("Contact", headers[6].Name);
Assert.Equal("<mailto:[email protected]>;expires=4294967295", headers[6].Value);
Assert.Equal("Content-Length", headers[7].Name);
Assert.Equal("8", headers[7].Value);
Assert.Equal("asdf", body);
}
public void ParseFullRequest()
{
var message = @"REGISTER sip:ss2.wcom.com SIP/2.0
Via: SIP/2.0/UDP there.com:5060;branch=wsodil7987kjh
From: LittleGuy <sip:[email protected]>
To: sip:[email protected];branch=sduf9897s;
Call-ID : [email protected]
CSeq:1 REGISTER
Content-Length: 8
asdf";
var messageBytes = Encoding.UTF8.GetBytes(message);
var result = SipParser.TryParseRequest(messageBytes, out var request);
var headers = new List <SipHeader>();
foreach (var header in request.Headers)
{
headers.Add(header);
}
var body = Encoding.UTF8.GetString(request.Body.ToArray());
Assert.True(result);
Assert.Equal("REGISTER", request.Method);
Assert.Equal("sip:ss2.wcom.com", request.Uri);
Assert.Equal("SIP/2.0", request.Version);
Assert.Equal(6, headers.Count);
Assert.Equal("Via", headers[0].Name);
Assert.Equal("SIP/2.0/UDP there.com:5060;branch=wsodil7987kjh", headers[0].Value);
Assert.Equal("From", headers[1].Name);
Assert.Equal("LittleGuy <sip:[email protected]>", headers[1].Value);
Assert.Equal("To", headers[2].Name);
Assert.Equal("sip:[email protected];branch=sduf9897s;", headers[2].Value);
Assert.Equal("Call-ID", headers[3].Name);
Assert.Equal("*****@*****.**", headers[3].Value);
Assert.Equal("CSeq", headers[4].Name);
Assert.Equal("1 REGISTER", headers[4].Value);
Assert.Equal("Content-Length", headers[5].Name);
Assert.Equal("8", headers[5].Value);
Assert.Equal("asdf", body);
}
private void OnSipArrived(object sender, SipParser parser)
{
SipConnectionState state;
string localNumber; // this is the number to use in the 'client' side
try
{
if ((phoneNumber != null) && (phoneNumber != string.Empty) && (sipState != null))
{
// since the 5555 was added, need to skip over it; it may not always be present.
// TODO: need to make this a configurable number from the application in some manner.
// (both in length and content)
if (phoneNumber.Substring(0, 4).Equals("5555"))
{
localNumber = phoneNumber.Substring(4);
}
else
{
localNumber = phoneNumber;
}
if (parser.ToField.Contains(localNumber))
{
state = sipState.Process(parser);
if (state == SipConnectionState.RTP_DETECTED)
{
RTPPort = sipState.RTPPort;
}
}
}
}
catch (Exception ex)
{
ex.Data.Add("My Key", "VMukti--:--VmuktiModules--:--VmuktiModules--:--Call Center--:--AutoProgressiveSoftPhone--:--AutoProgressivePhone.Business--:--RTCAudioWithToneDetect.cs--:--OnSIPArrived()--");
ClsException.WriteToErrorLogFile(ex);
}
}