public static IDictionary ToSerpentDict(object obj)
{
PyroException ex = (PyroException)obj;
IDictionary dict = new Hashtable();
// {'attributes':{},'__exception__':True,'args':('hello',),'__class__':'PyroError'}
dict["__class__"] = "PyroError";
dict["__exception__"] = true;
if (ex.Message != null)
{
dict["args"] = new object[1] {
ex.Message
}
}
;
else
{
dict["args"] = new object[0];
}
if (!string.IsNullOrEmpty(ex._pyroTraceback))
{
ex.Data["_pyroTraceback"] = new string[] { ex._pyroTraceback }
}
; // transform single string back into list
dict["attributes"] = ex.Data;
return(dict);
}
public void PyroClassesPickle()
{
var pickler = new PickleSerializer();
var uri = new PyroURI("PYRO:something@localhost:4444");
byte[] s = pickler.serializeData(uri);
object x = pickler.deserializeData(s);
Assert.AreEqual(uri, x);
var proxy = new PyroProxy(uri);
proxy.correlation_id = Guid.NewGuid();
proxy.pyroHandshake = "apples";
proxy.pyroHmacKey = Encoding.UTF8.GetBytes("secret");
proxy.pyroAttrs = new HashSet<string>();
proxy.pyroAttrs.Add("attr1");
proxy.pyroAttrs.Add("attr2");
s = pickler.serializeData(proxy);
x = pickler.deserializeData(s);
PyroProxy proxy2 = (PyroProxy) x;
Assert.AreEqual(uri.host, proxy2.hostname);
Assert.AreEqual(uri.objectid, proxy2.objectid);
Assert.AreEqual(uri.port, proxy2.port);
Assert.IsNull(proxy2.correlation_id, "correlation_id is not serialized on the proxy object");
Assert.AreEqual(proxy.pyroHandshake, proxy2.pyroHandshake);
Assert.AreEqual(proxy.pyroHmacKey, proxy2.pyroHmacKey);
Assert.AreEqual(2, proxy2.pyroAttrs.Count);
Assert.AreEqual(proxy.pyroAttrs, proxy2.pyroAttrs);
PyroException ex = new PyroException("error");
s = pickler.serializeData(ex);
x = pickler.deserializeData(s);
PyroException ex2 = (PyroException) x;
Assert.AreEqual(ex.Message, ex2.Message);
Assert.IsNull(ex._pyroTraceback);
}
public static object FromSerpentDict(IDictionary dict)
{
object[] args = (object[]) dict["args"];
PyroException ex = new PyroException((string)args[0]);
IDictionary attrs = (IDictionary)dict["attributes"];
foreach(DictionaryEntry entry in attrs)
{
string key = (string)entry.Key;
ex.Data[key] = entry.Value;
if("_pyroTraceback"==key)
{
// if the traceback is a list of strings, create one string from it
if(entry.Value is ICollection) {
StringBuilder sb=new StringBuilder();
ICollection tbcoll=(ICollection)entry.Value;
foreach(object line in tbcoll) {
sb.Append(line);
}
ex._pyroTraceback=sb.ToString();
} else {
ex._pyroTraceback=(string)entry.Value;
}
}
}
return ex;
}
public void PyroClasses()
{
var uri = new PyroURI("PYRO:something@localhost:4444");
byte[] s = this.ser.serializeData(uri);
object x = this.ser.deserializeData(s);
Assert.AreEqual(uri, x);
var proxy = new PyroProxy(uri);
s = this.ser.serializeData(proxy);
x = this.ser.deserializeData(s);
PyroProxy proxy2 = (PyroProxy) x;
Assert.AreEqual(uri.host, proxy2.hostname);
Assert.AreEqual(uri.objectid, proxy2.objectid);
Assert.AreEqual(uri.port, proxy2.port);
PyroException ex = new PyroException("error");
s = this.ser.serializeData(ex);
x = this.ser.deserializeData(s);
PyroException ex2 = (PyroException) x;
Assert.AreEqual(ex.Message, ex2.Message);
Assert.IsNull(ex._pyroTraceback);
// try another kind of pyro exception
s = Encoding.UTF8.GetBytes("{'attributes':{'tb': 'traceback', '_pyroTraceback': ['line1', 'line2']},'__exception__':True,'args':('hello',42),'__class__':'CommunicationError'}");
x = this.ser.deserializeData(s);
ex2 = (PyroException) x;
Assert.AreEqual("hello", ex2.Message);
Assert.AreEqual("traceback", ex2.Data["tb"]);
Assert.AreEqual("line1line2", ex2._pyroTraceback);
}
public static object FromSerpentDict(IDictionary dict)
{
object[] args = (object[])dict["args"];
PyroException ex = new PyroException((string)args[0]);
IDictionary attrs = (IDictionary)dict["attributes"];
foreach (DictionaryEntry entry in attrs)
{
string key = (string)entry.Key;
ex.Data[key] = entry.Value;
if ("_pyroTraceback" == key)
{
// if the traceback is a list of strings, create one string from it
if (entry.Value is ICollection)
{
StringBuilder sb = new StringBuilder();
ICollection tbcoll = (ICollection)entry.Value;
foreach (object line in tbcoll)
{
sb.Append(line);
}
ex._pyroTraceback = sb.ToString();
}
else
{
ex._pyroTraceback = (string)entry.Value;
}
}
}
return(ex);
}
public static object FromSerpentDict(IDictionary dict)
{
object[] args = (object[])dict["args"];
string pythonExceptionType = (string)dict["__class__"];
PyroException ex;
if (args.Length == 0)
{
if (string.IsNullOrEmpty(pythonExceptionType))
{
ex = new PyroException();
}
else
{
ex = new PyroException("[" + pythonExceptionType + "]");
}
}
else
{
if (string.IsNullOrEmpty(pythonExceptionType))
{
ex = new PyroException((string)args[0]);
}
else
{
ex = new PyroException(string.Format("[{0}] {1}", pythonExceptionType, args[0]));
}
}
ex.PythonExceptionType = pythonExceptionType;
IDictionary attrs = (IDictionary)dict["attributes"];
foreach (DictionaryEntry entry in attrs)
{
string key = (string)entry.Key;
ex.Data[key] = entry.Value;
if ("_pyroTraceback" == key)
{
// if the traceback is a list of strings, create one string from it
if (entry.Value is ICollection)
{
StringBuilder sb = new StringBuilder();
ICollection tbcoll = (ICollection)entry.Value;
foreach (object line in tbcoll)
{
sb.Append(line);
}
ex._pyroTraceback = sb.ToString();
}
else
{
ex._pyroTraceback = (string)entry.Value;
}
}
}
return(ex);
}
public void PyroClassesSerpent()
{
var ser = new SerpentSerializer();
var uri = new PyroURI("PYRO:something@localhost:4444");
byte[] s = ser.serializeData(uri);
object x = ser.deserializeData(s);
Assert.AreEqual(uri, x);
var proxy = new PyroProxy(uri);
proxy.correlation_id = Guid.NewGuid();
proxy.pyroHandshake = "apples";
proxy.pyroHmacKey = Encoding.UTF8.GetBytes("secret");
proxy.pyroAttrs = new HashSet<string>();
proxy.pyroAttrs.Add("attr1");
proxy.pyroAttrs.Add("attr2");
s = ser.serializeData(proxy);
x = ser.deserializeData(s);
PyroProxy proxy2 = (PyroProxy) x;
Assert.AreEqual(uri.host, proxy2.hostname);
Assert.AreEqual(uri.objectid, proxy2.objectid);
Assert.AreEqual(uri.port, proxy2.port);
Assert.IsNull(proxy2.correlation_id, "correlation_id is not serialized on the proxy object");
Assert.AreEqual(proxy.pyroHandshake, proxy2.pyroHandshake);
Assert.AreEqual(proxy.pyroHmacKey, proxy2.pyroHmacKey);
Assert.AreEqual(2, proxy2.pyroAttrs.Count);
Assert.AreEqual(proxy.pyroAttrs, proxy2.pyroAttrs);
PyroException ex = new PyroException("error");
s = ser.serializeData(ex);
x = ser.deserializeData(s);
PyroException ex2 = (PyroException) x;
Assert.AreEqual(ex.Message, ex2.Message);
Assert.IsNull(ex._pyroTraceback);
// try another kind of pyro exception
s = Encoding.UTF8.GetBytes("{'attributes':{'tb': 'traceback', '_pyroTraceback': ['line1', 'line2']},'__exception__':True,'args':('hello',42),'__class__':'CommunicationError'}");
x = ser.deserializeData(s);
ex2 = (PyroException) x;
Assert.AreEqual("hello", ex2.Message);
Assert.AreEqual("traceback", ex2.Data["tb"]);
Assert.AreEqual("line1line2", ex2._pyroTraceback);
}
public void pickle(object o, Stream outs, Pickler currentPickler)
{
PyroException error = (PyroException)o;
outs.WriteByte(Opcodes.GLOBAL);
byte[] output = Encoding.Default.GetBytes("Pyro4.errors\nPyroError\n");
outs.Write(output, 0, output.Length);
object[] args = new object[] { error.Message };
currentPickler.save(args);
outs.WriteByte(Opcodes.REDUCE);
if (!string.IsNullOrEmpty(error._pyroTraceback))
{
// add _pyroTraceback attribute to the output
Hashtable tb = new Hashtable();
tb["_pyroTraceback"] = new string[] { error._pyroTraceback }; // transform single string back into list
currentPickler.save(tb);
outs.WriteByte(Opcodes.BUILD);
}
}
public void PyroClasses()
{
var uri = new PyroURI("PYRO:object@host:4444");
byte[] s = this.ser.serializeData(uri);
object x = this.ser.deserializeData(s);
Assert.AreEqual(uri, x);
var proxy = new PyroProxy(uri);
s = this.ser.serializeData(proxy);
x = this.ser.deserializeData(s);
PyroProxy proxy2 = (PyroProxy) x;
Assert.AreEqual(uri.host, proxy2.hostname);
Assert.AreEqual(uri.objectid, proxy2.objectid);
Assert.AreEqual(uri.port, proxy2.port);
var ex = new PyroException("error");
ex._pyroTraceback = "traceback";
s = this.ser.serializeData(ex);
x = this.ser.deserializeData(s);
PyroException ex2 = (PyroException) x;
Assert.AreEqual(ex.Message, ex2.Message);
Assert.AreEqual("traceback", ex2._pyroTraceback);
}
/// <summary>
/// Internal call method to actually perform the Pyro method call and process the result.
/// </summary>
private object internal_call(string method, string actual_objectId, ushort flags, bool checkMethodName, params object[] parameters)
{
actual_objectId = actual_objectId ?? this.objectid;
lock(this) {
connect();
unchecked {
sequenceNr++; // unchecked so this ushort wraps around 0-65535 instead of raising an OverflowException
}
}
if(pyroAttrs.Contains(method)) {
throw new PyroException("cannot call an attribute");
}
if(pyroOneway.Contains(method)) {
flags |= Message.FLAGS_ONEWAY;
}
if(checkMethodName && Config.METADATA && !pyroMethods.Contains(method)) {
throw new PyroException(string.Format("remote object '{0}' has no exposed attribute or method '{1}'", actual_objectId, method));
}
if (parameters == null)
parameters = new object[] {};
PyroSerializer ser = PyroSerializer.GetFor(Config.SERIALIZER);
byte[] pickle = ser.serializeCall(actual_objectId, method, parameters, new Dictionary<string,object>(0));
var msg = new Message(Message.MSG_INVOKE, pickle, ser.serializer_id, flags, sequenceNr, this.annotations(), pyroHmacKey);
Message resultmsg;
lock (this.sock) {
IOUtil.send(sock_stream, msg.to_bytes());
if(Config.MSG_TRACE_DIR!=null) {
Message.TraceMessageSend(sequenceNr, msg.get_header_bytes(), msg.get_annotations_bytes(), msg.data);
}
pickle = null;
if ((flags & Message.FLAGS_ONEWAY) != 0)
return null;
resultmsg = Message.recv(sock_stream, new ushort[]{Message.MSG_RESULT}, pyroHmacKey);
}
if (resultmsg.seq != sequenceNr) {
throw new PyroException("result msg out of sync");
}
responseAnnotations(resultmsg.annotations, resultmsg.type);
if ((resultmsg.flags & Message.FLAGS_COMPRESSED) != 0) {
_decompressMessageData(resultmsg);
}
if ((resultmsg.flags & Message.FLAGS_EXCEPTION) != 0) {
Exception rx = (Exception) ser.deserializeData(resultmsg.data);
if (rx is PyroException) {
throw (PyroException) rx;
} else {
PyroException px = new PyroException("remote exception occurred", rx);
PropertyInfo remotetbProperty=rx.GetType().GetProperty("_pyroTraceback");
if(remotetbProperty!=null) {
string remotetb=(string)remotetbProperty.GetValue(rx,null);
px._pyroTraceback=remotetb;
}
throw px;
}
}
return ser.deserializeData(resultmsg.data);
}
/**
* Internal call method to actually perform the Pyro method call and process the result.
*/
private object call(string method, ushort flags, params object[] parameters)
{
lock (this) {
connect();
unchecked {
sequenceNr++; // unchecked so this ushort wraps around 0-65535 instead of raising an OverflowException
}
}
if (parameters == null)
{
parameters = new object[] {}
}
;
PyroSerializer ser = PyroSerializer.GetFor(Config.SERIALIZER);
byte[] pickle = ser.serializeCall(objectid, method, parameters, new Dictionary <string, object>(0));
var msg = new Message(Message.MSG_INVOKE, pickle, ser.serializer_id, flags, sequenceNr, null);
Message resultmsg;
lock (this.sock) {
IOUtil.send(sock_stream, msg.to_bytes());
if (Config.MSG_TRACE_DIR != null)
{
Message.TraceMessageSend(sequenceNr, msg.get_header_bytes(), msg.get_annotations_bytes(), msg.data);
}
pickle = null;
if ((flags & Message.FLAGS_ONEWAY) != 0)
{
return(null);
}
resultmsg = Message.recv(sock_stream, new ushort[] { Message.MSG_RESULT });
}
if (resultmsg.seq != sequenceNr)
{
throw new PyroException("result msg out of sync");
}
if ((resultmsg.flags & Message.FLAGS_COMPRESSED) != 0)
{
// we need to skip the first 2 bytes in the buffer due to a tiny mismatch between zlib-written
// data and the deflate data bytes that .net expects.
// See http://www.chiramattel.com/george/blog/2007/09/09/deflatestream-block-length-does-not-match.html
using (MemoryStream compressed = new MemoryStream(resultmsg.data, 2, resultmsg.data.Length - 2, false)) {
using (DeflateStream decompresser = new DeflateStream(compressed, CompressionMode.Decompress)) {
MemoryStream bos = new MemoryStream(resultmsg.data.Length);
byte[] buffer = new byte[4096];
int numRead;
while ((numRead = decompresser.Read(buffer, 0, buffer.Length)) != 0)
{
bos.Write(buffer, 0, numRead);
}
resultmsg.data = bos.ToArray();
}
}
}
if ((resultmsg.flags & Message.FLAGS_EXCEPTION) != 0)
{
Exception rx = (Exception)ser.deserializeData(resultmsg.data);
if (rx is PyroException)
{
throw (PyroException)rx;
}
else
{
PyroException px = new PyroException("remote exception occurred", rx);
PropertyInfo remotetbProperty = rx.GetType().GetProperty("_pyroTraceback");
if (remotetbProperty != null)
{
string remotetb = (string)remotetbProperty.GetValue(rx, null);
px._pyroTraceback = remotetb;
}
throw px;
}
}
return(ser.deserializeData(resultmsg.data));
}
/// <summary>
/// Internal call method to actually perform the Pyro method call and process the result.
/// </summary>
private object internal_call(string method, string actual_objectId, ushort flags, bool checkMethodName, params object[] parameters)
{
actual_objectId = actual_objectId ?? this.objectid;
lock (this) {
connect();
unchecked {
sequenceNr++; // unchecked so this ushort wraps around 0-65535 instead of raising an OverflowException
}
}
if (pyroAttrs.Contains(method))
{
throw new PyroException("cannot call an attribute");
}
if (pyroOneway.Contains(method))
{
flags |= Message.FLAGS_ONEWAY;
}
if (checkMethodName && Config.METADATA && !pyroMethods.Contains(method))
{
throw new PyroException(string.Format("remote object '{0}' has no exposed attribute or method '{1}'", actual_objectId, method));
}
if (parameters == null)
{
parameters = new object[] {}
}
;
PyroSerializer ser = PyroSerializer.GetFor(Config.SERIALIZER);
byte[] pickle = ser.serializeCall(actual_objectId, method, parameters, new Dictionary <string, object>(0));
var msg = new Message(Message.MSG_INVOKE, pickle, ser.serializer_id, flags, sequenceNr, this.annotations(), pyroHmacKey);
Message resultmsg;
lock (this.sock) {
IOUtil.send(sock_stream, msg.to_bytes());
if (Config.MSG_TRACE_DIR != null)
{
Message.TraceMessageSend(sequenceNr, msg.get_header_bytes(), msg.get_annotations_bytes(), msg.data);
}
// ReSharper disable once RedundantAssignment
pickle = null;
if ((flags & Message.FLAGS_ONEWAY) != 0)
{
return(null);
}
resultmsg = Message.recv(sock_stream, new [] { Message.MSG_RESULT }, pyroHmacKey);
}
if (resultmsg.seq != sequenceNr)
{
throw new PyroException("result msg out of sync");
}
responseAnnotations(resultmsg.annotations, resultmsg.type);
if ((resultmsg.flags & Message.FLAGS_COMPRESSED) != 0)
{
_decompressMessageData(resultmsg);
}
if ((resultmsg.flags & Message.FLAGS_ITEMSTREAMRESULT) != 0)
{
byte[] streamId;
if (!resultmsg.annotations.TryGetValue("STRM", out streamId))
{
throw new PyroException("result of call is an iterator, but the server is not configured to allow streaming");
}
return(new StreamResultIterator(Encoding.UTF8.GetString(streamId), this));
}
if ((resultmsg.flags & Message.FLAGS_EXCEPTION) != 0)
{
Exception rx = (Exception)ser.deserializeData(resultmsg.data);
if (rx is PyroException)
{
throw (PyroException)rx;
}
else
{
PyroException px;
// if the source was a PythonException, copy its message and python exception type
PythonException pyx = rx as PythonException;
if (pyx == null)
{
px = new PyroException(null, rx);
}
else
{
px = new PyroException(rx.Message, rx);
px.PythonExceptionType = pyx.PythonExceptionType;
}
PropertyInfo remotetbProperty = rx.GetType().GetProperty("_pyroTraceback");
if (remotetbProperty != null)
{
string remotetb = (string)remotetbProperty.GetValue(rx, null);
px._pyroTraceback = remotetb;
}
throw px;
}
}
return(ser.deserializeData(resultmsg.data));
}
/**
* Internal call method to actually perform the Pyro method call and process the result.
*/
private object call(string method, int flags, params object[] parameters)
{
lock (this) {
connect();
unchecked {
sequenceNr++; // unchecked so this ushort wraps around 0-65535 instead of raising an OverflowException
}
Console.WriteLine("seq=" + sequenceNr);
}
if (parameters == null)
{
parameters = new object[] {}
}
;
object[] invokeparams = new object[] {
objectid, method, parameters, // vargs
new Hashtable(0) // no kwargs
};
Pickler pickler = new Pickler(false);
byte[] pickle = pickler.dumps(invokeparams);
pickler.close();
byte[] headerdata = MessageFactory.createMsgHeader(MessageFactory.MSG_INVOKE, pickle, flags, sequenceNr);
Message resultmsg;
lock (this.sock) {
IOUtil.send(sock_stream, headerdata);
IOUtil.send(sock_stream, pickle);
if (Config.MSG_TRACE_DIR != null)
{
MessageFactory.TraceMessageSend(sequenceNr, headerdata, pickle);
}
pickle = null;
headerdata = null;
if ((flags & MessageFactory.FLAGS_ONEWAY) != 0)
{
return(null);
}
resultmsg = MessageFactory.getMessage(sock_stream, MessageFactory.MSG_RESULT);
}
if (resultmsg.sequence != sequenceNr)
{
throw new PyroException("result msg out of sync");
}
if ((resultmsg.flags & MessageFactory.FLAGS_COMPRESSED) != 0)
{
// we need to skip the first 2 bytes in the buffer due to a tiny mismatch between zlib-written
// data and the deflate data bytes that .net expects.
// See http://www.chiramattel.com/george/blog/2007/09/09/deflatestream-block-length-does-not-match.html
using (MemoryStream compressed = new MemoryStream(resultmsg.data, 2, resultmsg.data.Length - 2, false)) {
using (DeflateStream decompresser = new DeflateStream(compressed, CompressionMode.Decompress)) {
MemoryStream bos = new MemoryStream(resultmsg.data.Length);
byte[] buffer = new byte[4096];
int numRead;
while ((numRead = decompresser.Read(buffer, 0, buffer.Length)) != 0)
{
bos.Write(buffer, 0, numRead);
}
resultmsg.data = bos.ToArray();
}
}
}
if ((resultmsg.flags & MessageFactory.FLAGS_EXCEPTION) != 0)
{
using (Unpickler unpickler = new Unpickler()) {
Exception rx = (Exception)unpickler.loads(resultmsg.data);
if (rx is PyroException)
{
throw (PyroException)rx;
}
else
{
PyroException px = new PyroException("remote exception occurred", rx);
PropertyInfo remotetbProperty = rx.GetType().GetProperty("_pyroTraceback");
if (remotetbProperty != null)
{
string remotetb = (string)remotetbProperty.GetValue(rx, null);
px._pyroTraceback = remotetb;
}
throw px;
}
}
}
using (Unpickler unpickler = new Unpickler()) {
return(unpickler.loads(resultmsg.data));
}
}
/**
* Internal call method to actually perform the Pyro method call and process the result.
*/
private object call(string method, ushort flags, params object[] parameters)
{
lock(this) {
connect();
unchecked {
sequenceNr++; // unchecked so this ushort wraps around 0-65535 instead of raising an OverflowException
}
}
if (parameters == null)
parameters = new object[] {};
PyroSerializer ser = PyroSerializer.GetFor(Config.SERIALIZER);
byte[] pickle = ser.serializeCall(objectid, method, parameters, new Dictionary<string,object>(0));
var msg = new Message(Message.MSG_INVOKE, pickle, ser.serializer_id, flags, sequenceNr, null);
Message resultmsg;
lock (this.sock) {
IOUtil.send(sock_stream, msg.to_bytes());
if(Config.MSG_TRACE_DIR!=null) {
Message.TraceMessageSend(sequenceNr, msg.get_header_bytes(), msg.get_annotations_bytes(), msg.data);
}
pickle = null;
if ((flags & Message.FLAGS_ONEWAY) != 0)
return null;
resultmsg = Message.recv(sock_stream, new ushort[]{Message.MSG_RESULT});
}
if (resultmsg.seq != sequenceNr) {
throw new PyroException("result msg out of sync");
}
if ((resultmsg.flags & Message.FLAGS_COMPRESSED) != 0) {
// we need to skip the first 2 bytes in the buffer due to a tiny mismatch between zlib-written
// data and the deflate data bytes that .net expects.
// See http://www.chiramattel.com/george/blog/2007/09/09/deflatestream-block-length-does-not-match.html
using(MemoryStream compressed=new MemoryStream(resultmsg.data, 2, resultmsg.data.Length-2, false)) {
using(DeflateStream decompresser=new DeflateStream(compressed, CompressionMode.Decompress)) {
MemoryStream bos = new MemoryStream(resultmsg.data.Length);
byte[] buffer = new byte[4096];
int numRead;
while ((numRead = decompresser.Read(buffer, 0, buffer.Length)) != 0) {
bos.Write(buffer, 0, numRead);
}
resultmsg.data=bos.ToArray();
}
}
}
if ((resultmsg.flags & Message.FLAGS_EXCEPTION) != 0) {
Exception rx = (Exception) ser.deserializeData(resultmsg.data);
if (rx is PyroException) {
throw (PyroException) rx;
} else {
PyroException px = new PyroException("remote exception occurred", rx);
PropertyInfo remotetbProperty=rx.GetType().GetProperty("_pyroTraceback");
if(remotetbProperty!=null) {
string remotetb=(string)remotetbProperty.GetValue(rx,null);
px._pyroTraceback=remotetb;
}
throw px;
}
}
return ser.deserializeData(resultmsg.data);
}
/**
* Internal call method to actually perform the Pyro method call and process the result.
*/
private object call(string method, int flags, params object[] parameters)
{
lock(this) {
connect();
unchecked {
sequenceNr++; // unchecked so this ushort wraps around 0-65535 instead of raising an OverflowException
}
Console.WriteLine("seq="+sequenceNr);
}
if (parameters == null)
parameters = new object[] {};
object[] invokeparams = new object[] {
objectid, method, parameters, // vargs
new Hashtable(0) // no kwargs
};
Pickler pickler=new Pickler(false);
byte[] pickle = pickler.dumps(invokeparams);
pickler.close();
byte[] headerdata = MessageFactory.createMsgHeader(MessageFactory.MSG_INVOKE, pickle, flags, sequenceNr);
Message resultmsg;
lock (this.sock) {
IOUtil.send(sock_stream, headerdata);
IOUtil.send(sock_stream, pickle);
if(Config.MSG_TRACE_DIR!=null) {
MessageFactory.TraceMessageSend(sequenceNr, headerdata, pickle);
}
pickle = null;
headerdata = null;
if ((flags & MessageFactory.FLAGS_ONEWAY) != 0)
return null;
resultmsg = MessageFactory.getMessage(sock_stream, MessageFactory.MSG_RESULT);
}
if (resultmsg.sequence != sequenceNr) {
throw new PyroException("result msg out of sync");
}
if ((resultmsg.flags & MessageFactory.FLAGS_COMPRESSED) != 0) {
// we need to skip the first 2 bytes in the buffer due to a tiny mismatch between zlib-written
// data and the deflate data bytes that .net expects.
// See http://www.chiramattel.com/george/blog/2007/09/09/deflatestream-block-length-does-not-match.html
using(MemoryStream compressed=new MemoryStream(resultmsg.data, 2, resultmsg.data.Length-2, false)) {
using(DeflateStream decompresser=new DeflateStream(compressed, CompressionMode.Decompress)) {
MemoryStream bos = new MemoryStream(resultmsg.data.Length);
byte[] buffer = new byte[4096];
int numRead;
while ((numRead = decompresser.Read(buffer, 0, buffer.Length)) != 0) {
bos.Write(buffer, 0, numRead);
}
resultmsg.data=bos.ToArray();
}
}
}
if ((resultmsg.flags & MessageFactory.FLAGS_EXCEPTION) != 0) {
using(Unpickler unpickler=new Unpickler()) {
Exception rx = (Exception) unpickler.loads(resultmsg.data);
if (rx is PyroException) {
throw (PyroException) rx;
} else {
PyroException px = new PyroException("remote exception occurred", rx);
PropertyInfo remotetbProperty=rx.GetType().GetProperty("_pyroTraceback");
if(remotetbProperty!=null) {
string remotetb=(string)remotetbProperty.GetValue(rx,null);
px._pyroTraceback=remotetb;
}
throw px;
}
}
}
using(Unpickler unpickler=new Unpickler()) {
return unpickler.loads(resultmsg.data);
}
}
