public CollocatedRequestHandler(Reference @ref, Ice.ObjectAdapter adapter)
{
_reference = @ref;
_dispatcher = _reference.getInstance().initializationData().dispatcher != null;
_response = _reference.getMode() == Reference.Mode.ModeTwoway;
_adapter = (Ice.ObjectAdapterI)adapter;
_logger = _reference.getInstance().initializationData().logger; // Cached for better performance.
_traceLevels = _reference.getInstance().traceLevels(); // Cached for better performance.
_requestId = 0;
}
//
// Only for use by TcpEndpoint
//
internal TcpConnector(Instance instance, IPEndPoint addr, int timeout, string connectionId)
{
_instance = instance;
_traceLevels = instance.traceLevels();
_logger = instance.initializationData().logger;
_addr = addr;
_timeout = timeout;
_connectionId = connectionId;
_hashCode = _addr.GetHashCode();
_hashCode = 5 * _hashCode + _timeout;
_hashCode = 5 * _hashCode + _connectionId.GetHashCode();
}
internal static void traceRecv(BasicStream str, Ice.Logger logger, TraceLevels tl)
{
if (tl.protocol >= 1)
{
int p = str.pos();
str.pos(0);
using (System.IO.StringWriter s = new System.IO.StringWriter(CultureInfo.CurrentCulture))
{
byte type = printMessage(s, str);
logger.trace(tl.protocolCat, "received " + getMessageTypeAsString(type) + " " + s.ToString());
}
str.pos(p);
}
}
internal static void traceRecv(BasicStream str, Ice.Logger logger, TraceLevels tl)
{
if(tl.protocol >= 1)
{
int p = str.pos();
str.pos(0);
using(System.IO.StringWriter s = new System.IO.StringWriter(CultureInfo.CurrentCulture))
{
byte type = printMessage(s, str);
logger.trace(tl.protocolCat, "received " + getMessageTypeAsString(type) + " " + s.ToString());
}
str.pos(p);
}
}
internal static void TraceRecv(Ice.InputStream str, Ice.ILogger logger, TraceLevels tl)
{
if (tl.protocol >= 1)
{
int p = str.Pos;
str.Pos = 0;
using (var s = new System.IO.StringWriter(CultureInfo.CurrentCulture))
{
byte type = PrintMessage(s, str);
logger.Trace(tl.protocolCat, "received " + GetMessageTypeAsString(type) + " " + s.ToString());
}
str.Pos = p;
}
}
internal static void traceSend(Ice.OutputStream str, Ice.Logger logger, TraceLevels tl)
{
if (tl.protocol >= 1)
{
int p = str.pos();
Ice.InputStream iss = new Ice.InputStream(str.instance(), str.getEncoding(), str.getBuffer(), false);
iss.pos(0);
using (System.IO.StringWriter s = new System.IO.StringWriter(CultureInfo.CurrentCulture))
{
byte type = printMessage(s, iss);
logger.trace(tl.protocolCat, "sending " + getMessageTypeAsString(type) + " " + s.ToString());
}
str.pos(p);
}
}
internal static void TraceSend(Ice.OutputStream str, Ice.ILogger logger, TraceLevels tl)
{
if (tl.Protocol >= 1)
{
int p = str.Pos;
var iss = new Ice.InputStream(str.Communicator, str.Encoding, str.GetBuffer(), false);
iss.Pos = 0;
using (var s = new System.IO.StringWriter(CultureInfo.CurrentCulture))
{
byte type = PrintMessage(s, iss);
logger.Trace(tl.ProtocolCat, "sending " + GetMessageTypeAsString(type) + " " + s.ToString());
}
str.Pos = p;
}
}
internal static void trace(string heading, BasicStream str, Ice.Logger logger, TraceLevels tl)
{
if(tl.protocol >= 1)
{
int p = str.pos();
str.pos(0);
using(System.IO.StringWriter s = new System.IO.StringWriter(CultureInfo.CurrentCulture))
{
s.Write(heading);
printMessage(s, str);
logger.trace(tl.protocolCat, s.ToString());
}
str.pos(p);
}
}
internal TcpAcceptor(Instance instance, string host, int port)
{
instance_ = instance;
_traceLevels = instance.traceLevels();
_logger = instance.initializationData().logger;
_backlog = instance.initializationData().properties.getPropertyAsIntWithDefault("Ice.TCP.Backlog", 511);
try
{
_addr = Network.getAddressForServer(host, port, instance_.protocolSupport());
_fd = Network.createSocket(false, _addr.AddressFamily);
Network.setBlock(_fd, false);
#if !COMPACT
Network.setTcpBufSize(_fd, instance_.initializationData().properties, _logger);
#endif
if(AssemblyUtil.platform_ != AssemblyUtil.Platform.Windows)
{
//
// Enable SO_REUSEADDR on Unix platforms to allow
// re-using the socket even if it's in the TIME_WAIT
// state. On Windows, this doesn't appear to be
// necessary and enabling SO_REUSEADDR would actually
// not be a good thing since it allows a second
// process to bind to an address even it's already
// bound by another process.
//
// TODO: using SO_EXCLUSIVEADDRUSE on Windows would
// probably be better but it's only supported by recent
// Windows versions (XP SP2, Windows Server 2003).
//
Network.setReuseAddress(_fd, true);
}
if(_traceLevels.network >= 2)
{
string s = "attempting to bind to tcp socket " + Network.addrToString(_addr);
_logger.trace(_traceLevels.networkCat, s);
}
_addr = Network.doBind(_fd, _addr);
}
catch(System.Exception)
{
_fd = null;
throw;
}
}
private void HandleConnectionException(System.Exception ex, bool hasMore)
{
TraceLevels traceLevels = _communicator.TraceLevels;
if (traceLevels.Network >= 2)
{
if (ex is CommunicatorDestroyedException)
{
_communicator.Logger.Trace(traceLevels.NetworkCat, $"connection to endpoint failed\n{ex}");
}
else if (hasMore)
{
_communicator.Logger.Trace(traceLevels.NetworkCat,
$"connection to endpoint failed, trying next endpoint\n{ex}");
}
else
{
_communicator.Logger.Trace(traceLevels.NetworkCat,
$"connection to endpoint failed and no more endpoints to try\n{ex}");
}
}
}
//
// Only for use by TcpConnector, TcpAcceptor
//
internal TcpTransceiver(Instance instance, Socket fd, IPEndPoint addr, bool connected)
{
_fd = fd;
_addr = addr;
_traceLevels = instance.traceLevels();
_logger = instance.initializationData().logger;
_stats = instance.initializationData().stats;
_state = connected ? StateConnected : StateNeedConnect;
_desc = connected ? Network.fdToString(_fd) : "<not connected>";
_maxSendPacketSize = Network.getSendBufferSize(fd);
if(_maxSendPacketSize < 512)
{
_maxSendPacketSize = 0;
}
_maxReceivePacketSize = Network.getRecvBufferSize(fd);
if(_maxReceivePacketSize < 512)
{
_maxReceivePacketSize = 0;
}
}
internal void HandleException(System.Exception ex, bool hasMore)
{
TraceLevels traceLevels = _communicator.TraceLevels;
if (traceLevels.Network >= 2)
{
if (ex is CommunicatorDestroyedException)
{
_communicator.Logger.Trace(traceLevels.NetworkCat, $"couldn't resolve endpoint host\n{ex}");
}
else if (hasMore)
{
_communicator.Logger.Trace(traceLevels.NetworkCat,
$"couldn't resolve endpoint host, trying next endpoint\n{ex}");
}
else
{
_communicator.Logger.Trace(traceLevels.NetworkCat,
$"couldn't resolve endpoint host and no more endpoints to try\n{ex}");
}
}
}
//
// Only for use by UdpConnector.
//
internal UdpTransceiver(Instance instance, IPEndPoint addr, string mcastInterface, int mcastTtl)
{
_traceLevels = instance.traceLevels();
_logger = instance.initializationData().logger;
_stats = instance.initializationData().stats;
_addr = addr;
_mcastInterface = mcastInterface;
_mcastTtl = mcastTtl;
_state = StateNeedConnect;
_incoming = false;
try
{
_fd = Network.createSocket(true, _addr.AddressFamily);
setBufSize(instance);
Network.setBlock(_fd, false);
}
catch(Ice.LocalException)
{
_fd = null;
throw;
}
}
internal static void trace(string heading, Ice.OutputStream str, Ice.Logger logger, TraceLevels tl)
{
if(tl.protocol >= 1)
{
int p = str.pos();
Ice.InputStream iss = new Ice.InputStream(str.instance(), str.getEncoding(), str.getBuffer(), false);
iss.pos(0);
using(System.IO.StringWriter s = new System.IO.StringWriter(CultureInfo.CurrentCulture))
{
s.Write(heading);
printMessage(s, iss);
logger.trace(tl.protocolCat, s.ToString());
}
str.pos(p);
}
}
internal static void traceSend(Ice.OutputStream str, Ice.Logger logger, TraceLevels tl)
{
if(tl.protocol >= 1)
{
int p = str.pos();
Ice.InputStream iss = new Ice.InputStream(str.instance(), str.getEncoding(), str.getBuffer(), false);
iss.pos(0);
using(System.IO.StringWriter s = new System.IO.StringWriter(CultureInfo.CurrentCulture))
{
byte type = printMessage(s, iss);
logger.trace(tl.protocolCat, "sending " + getMessageTypeAsString(type) + " " + s.ToString());
}
str.pos(p);
}
}
internal static void Trace(string heading, Ice.InputStream str, Ice.ILogger logger, TraceLevels tl)
{
if (tl.Protocol >= 1)
{
int p = str.Pos;
str.Pos = 0;
using (var s = new System.IO.StringWriter(CultureInfo.CurrentCulture))
{
s.Write(heading);
PrintMessage(s, str);
logger.Trace(tl.ProtocolCat, s.ToString());
}
str.Pos = p;
}
}
internal static void trace(string heading, Ice.InputStream str, Ice.Logger logger, TraceLevels tl)
{
if (tl.protocol >= 1)
{
int p = str.pos();
str.pos(0);
using (System.IO.StringWriter s = new System.IO.StringWriter(CultureInfo.CurrentCulture))
{
s.Write(heading);
printMessage(s, str);
logger.trace(tl.protocolCat, s.ToString());
}
str.pos(p);
}
}
internal static void Trace(string heading, Ice.OutputStream str, Ice.ILogger logger, TraceLevels tl)
{
if (tl.protocol >= 1)
{
int p = str.Pos;
var iss = new Ice.InputStream(str.Communicator, str.Encoding, str.GetBuffer(), false);
iss.Pos = 0;
using (var s = new System.IO.StringWriter(CultureInfo.CurrentCulture))
{
s.Write(heading);
PrintMessage(s, iss);
logger.Trace(tl.protocolCat, s.ToString());
}
str.Pos = p;
}
}
internal ConnectionI(Communicator communicator, IceInternal.Instance instance,
IceInternal.ACMMonitor monitor, IceInternal.Transceiver transceiver,
IceInternal.Connector connector, IceInternal.EndpointI endpoint, ObjectAdapterI adapter)
{
_communicator = communicator;
_instance = instance;
_monitor = monitor;
_transceiver = transceiver;
_desc = transceiver.ToString();
_type = transceiver.protocol();
_connector = connector;
_endpoint = endpoint;
_adapter = adapter;
InitializationData initData = instance.initializationData();
_logger = initData.logger; // Cached for better performance.
_traceLevels = instance.traceLevels(); // Cached for better performance.
_timer = instance.timer();
_writeTimeout = new TimeoutCallback(this);
_writeTimeoutScheduled = false;
_readTimeout = new TimeoutCallback(this);
_readTimeoutScheduled = false;
_warn = initData.properties.getPropertyAsInt("Ice.Warn.Connections") > 0;
_warnUdp = initData.properties.getPropertyAsInt("Ice.Warn.Datagrams") > 0;
_cacheBuffers = instance.cacheMessageBuffers() > 0;
if(_monitor != null && _monitor.getACM().timeout > 0)
{
_acmLastActivity = IceInternal.Time.currentMonotonicTimeMillis();
}
else
{
_acmLastActivity = -1;
}
_nextRequestId = 1;
_messageSizeMax = adapter != null ? adapter.messageSizeMax() : instance.messageSizeMax();
_batchRequestQueue = new IceInternal.BatchRequestQueue(instance, _endpoint.datagram());
_readStream = new InputStream(instance, Util.currentProtocolEncoding);
_readHeader = false;
_readStreamPos = -1;
_writeStream = new OutputStream(instance, Util.currentProtocolEncoding);
_writeStreamPos = -1;
_dispatchCount = 0;
_state = StateNotInitialized;
_compressionLevel = initData.properties.getPropertyAsIntWithDefault("Ice.Compression.Level", 1);
if(_compressionLevel < 1)
{
_compressionLevel = 1;
}
else if(_compressionLevel > 9)
{
_compressionLevel = 9;
}
if(adapter != null)
{
_servantManager = adapter.getServantManager();
}
try
{
if(adapter != null)
{
_threadPool = adapter.getThreadPool();
}
else
{
_threadPool = instance.clientThreadPool();
}
_threadPool.initialize(this);
}
catch(LocalException)
{
throw;
}
catch(System.Exception ex)
{
throw new SyscallException(ex);
}
}
//
// Only for use by UdpEndpoint.
//
internal UdpTransceiver(Instance instance, string host, int port, string mcastInterface, bool connect)
{
_traceLevels = instance.traceLevels();
_logger = instance.initializationData().logger;
_stats = instance.initializationData().stats;
_state = connect ? StateNeedConnect : StateNotConnected;
_incoming = true;
try
{
_addr = Network.getAddressForServer(host, port, instance.protocolSupport());
_fd = Network.createSocket(true, _addr.AddressFamily);
setBufSize(instance);
Network.setBlock(_fd, false);
if(_traceLevels.network >= 2)
{
string s = "attempting to bind to udp socket " + Network.addrToString(_addr);
_logger.trace(_traceLevels.networkCat, s);
}
if(Network.isMulticast(_addr))
{
Network.setReuseAddress(_fd, true);
_mcastAddr = _addr;
if(AssemblyUtil.platform_ == AssemblyUtil.Platform.Windows)
{
//
// Windows does not allow binding to the mcast address itself
// so we bind to INADDR_ANY (0.0.0.0) instead. As a result,
// bi-directional connection won't work because the source
// address won't the multicast address and the client will
// therefore reject the datagram.
//
if(_addr.AddressFamily == AddressFamily.InterNetwork)
{
_addr = new IPEndPoint(IPAddress.Any, port);
}
else
{
_addr = new IPEndPoint(IPAddress.IPv6Any, port);
}
}
_addr = Network.doBind(_fd, _addr);
if(port == 0)
{
_mcastAddr.Port = _addr.Port;
}
Network.setMcastGroup(_fd, _mcastAddr.Address, mcastInterface);
}
else
{
if(AssemblyUtil.platform_ != AssemblyUtil.Platform.Windows)
{
//
// Enable SO_REUSEADDR on Unix platforms to allow
// re-using the socket even if it's in the TIME_WAIT
// state. On Windows, this doesn't appear to be
// necessary and enabling SO_REUSEADDR would actually
// not be a good thing since it allows a second
// process to bind to an address even it's already
// bound by another process.
//
// TODO: using SO_EXCLUSIVEADDRUSE on Windows would
// probably be better but it's only supported by recent
// Windows versions (XP SP2, Windows Server 2003).
//
Network.setReuseAddress(_fd, true);
}
_addr = Network.doBind(_fd, _addr);
}
if(_traceLevels.network >= 1)
{
StringBuilder s = new StringBuilder("starting to receive udp packets\n");
s.Append(ToString());
List<string> interfaces =
Network.getHostsForEndpointExpand(_addr.Address.ToString(), instance.protocolSupport(), true);
if(interfaces.Count != 0)
{
s.Append("\nlocal interfaces: ");
s.Append(String.Join(", ", interfaces.ToArray()));
}
_logger.trace(_traceLevels.networkCat, s.ToString());
}
}
catch(Ice.LocalException)
{
_fd = null;
throw;
}
}
public int checkRetryAfterException(Ice.LocalException ex, Reference @ref, bool sleep, ref int cnt)
{
TraceLevels traceLevels = instance_.traceLevels();
Ice.Logger logger = instance_.initializationData().logger;
//
// We don't retry batch requests because the exception might have caused
// the all the requests batched with the connection to be aborted and we
// want the application to be notified.
//
if (@ref.getMode() == Reference.Mode.ModeBatchOneway || @ref.getMode() == Reference.Mode.ModeBatchDatagram)
{
throw ex;
}
Ice.ObjectNotExistException one = ex as Ice.ObjectNotExistException;
if (one != null)
{
if (@ref.getRouterInfo() != null && one.operation.Equals("ice_add_proxy"))
{
//
// If we have a router, an ObjectNotExistException with an
// operation name "ice_add_proxy" indicates to the client
// that the router isn't aware of the proxy (for example,
// because it was evicted by the router). In this case, we
// must *always* retry, so that the missing proxy is added
// to the router.
//
@ref.getRouterInfo().clearCache(@ref);
if (traceLevels.retry >= 1)
{
string s = "retrying operation call to add proxy to router\n" + ex;
logger.trace(traceLevels.retryCat, s);
}
return(0); // We must always retry, so we don't look at the retry count.
}
else if (@ref.isIndirect())
{
//
// We retry ObjectNotExistException if the reference is
// indirect.
//
if (@ref.isWellKnown())
{
LocatorInfo li = @ref.getLocatorInfo();
if (li != null)
{
li.clearCache(@ref);
}
}
}
else
{
//
// For all other cases, we don't retry ObjectNotExistException.
//
throw ex;
}
}
else if (ex is Ice.RequestFailedException)
{
throw ex;
}
//
// There is no point in retrying an operation that resulted in a
// MarshalException. This must have been raised locally (because if
// it happened in a server it would result in an UnknownLocalException
// instead), which means there was a problem in this process that will
// not change if we try again.
//
// The most likely cause for a MarshalException is exceeding the
// maximum message size, which is represented by the subclass
// MemoryLimitException. For example, a client can attempt to send a
// message that exceeds the maximum memory size, or accumulate enough
// batch requests without flushing that the maximum size is reached.
//
// This latter case is especially problematic, because if we were to
// retry a batch request after a MarshalException, we would in fact
// silently discard the accumulated requests and allow new batch
// requests to accumulate. If the subsequent batched requests do not
// exceed the maximum message size, it appears to the client that all
// of the batched requests were accepted, when in reality only the
// last few are actually sent.
//
if (ex is Ice.MarshalException)
{
throw ex;
}
++cnt;
Debug.Assert(cnt > 0);
int interval;
if (cnt == (_retryIntervals.Length + 1) && ex is Ice.CloseConnectionException)
{
//
// A close connection exception is always retried at least once, even if the retry
// limit is reached.
//
interval = 0;
}
else if (cnt > _retryIntervals.Length)
{
if (traceLevels.retry >= 1)
{
string s = "cannot retry operation call because retry limit has been exceeded\n" + ex;
logger.trace(traceLevels.retryCat, s);
}
throw ex;
}
else
{
interval = _retryIntervals[cnt - 1];
}
if (traceLevels.retry >= 1)
{
string s = "retrying operation call";
if (interval > 0)
{
s += " in " + interval + "ms";
}
s += " because of exception\n" + ex;
logger.trace(traceLevels.retryCat, s);
}
if (sleep && interval > 0)
{
//
// Sleep before retrying.
//
System.Threading.Thread.Sleep(interval);
}
return(interval);
}
//
// Only for use by Ice.CommunicatorI
//
public Instance(Ice.Communicator communicator, Ice.InitializationData initData)
{
_state = StateActive;
_initData = initData;
try
{
if(_initData.properties == null)
{
_initData.properties = Ice.Util.createProperties();
}
#if !SILVERLIGHT && !UNITY
lock(_staticLock)
{
if(!_oneOfDone)
{
string stdOut = _initData.properties.getProperty("Ice.StdOut");
string stdErr = _initData.properties.getProperty("Ice.StdErr");
System.IO.StreamWriter outStream = null;
if(stdOut.Length > 0)
{
try
{
outStream = System.IO.File.AppendText(stdOut);
}
catch(System.IO.IOException ex)
{
Ice.FileException fe = new Ice.FileException(ex);
fe.path = stdOut;
throw fe;
}
outStream.AutoFlush = true;
System.Console.Out.Close();
System.Console.SetOut(outStream);
}
if(stdErr.Length > 0)
{
if(stdErr.Equals(stdOut))
{
System.Console.SetError(outStream);
}
else
{
System.IO.StreamWriter errStream = null;
try
{
errStream = System.IO.File.AppendText(stdErr);
}
catch(System.IO.IOException ex)
{
Ice.FileException fe = new Ice.FileException(ex);
fe.path = stdErr;
throw fe;
}
errStream.AutoFlush = true;
System.Console.Error.Close();
System.Console.SetError(errStream);
}
}
_oneOfDone = true;
}
}
#endif
if(_initData.logger == null)
{
#if !SILVERLIGHT && !UNITY
string logfile = _initData.properties.getProperty("Ice.LogFile");
if(_initData.properties.getPropertyAsInt("Ice.UseSyslog") > 0 &&
AssemblyUtil.platform_ != AssemblyUtil.Platform.Windows)
{
if(logfile.Length != 0)
{
throw new Ice.InitializationException("Ice.LogFile and Ice.UseSyslog cannot both be set.");
}
_initData.logger = new Ice.SysLoggerI(_initData.properties.getProperty("Ice.ProgramName"),
_initData.properties.getPropertyWithDefault("Ice.SyslogFacility", "LOG_USER"));
}
else if(logfile.Length != 0)
{
_initData.logger =
new Ice.FileLoggerI(_initData.properties.getProperty("Ice.ProgramName"), logfile);
}
else if(Ice.Util.getProcessLogger() is Ice.LoggerI)
{
//
// Ice.ConsoleListener is enabled by default.
//
# if COMPACT
_initData.logger =
new Ice.ConsoleLoggerI(_initData.properties.getProperty("Ice.ProgramName"));
# else
bool console =
_initData.properties.getPropertyAsIntWithDefault("Ice.ConsoleListener", 1) > 0;
_initData.logger =
new Ice.TraceLoggerI(_initData.properties.getProperty("Ice.ProgramName"), console);
# endif
}
#else
if(Ice.Util.getProcessLogger() is Ice.LoggerI)
{
_initData.logger =
new Ice.ConsoleLoggerI(_initData.properties.getProperty("Ice.ProgramName"));
}
#endif
else
{
_initData.logger = Ice.Util.getProcessLogger();
}
}
_traceLevels = new TraceLevels(_initData.properties);
_defaultsAndOverrides = new DefaultsAndOverrides(_initData.properties, _initData.logger);
_clientACM = new ACMConfig(_initData.properties,
_initData.logger,
"Ice.ACM.Client",
new ACMConfig(_initData.properties, _initData.logger, "Ice.ACM",
new ACMConfig(false)));
_serverACM = new ACMConfig(_initData.properties,
_initData.logger,
"Ice.ACM.Server",
new ACMConfig(_initData.properties, _initData.logger, "Ice.ACM",
new ACMConfig(true)));
#if COMPACT || SILVERLIGHT
char[] separators = { ' ', '\t', '\n', '\r' };
_factoryAssemblies = _initData.properties.getProperty("Ice.FactoryAssemblies").Split(separators);
#endif
{
const int defaultMessageSizeMax = 1024;
int num =
_initData.properties.getPropertyAsIntWithDefault("Ice.MessageSizeMax", defaultMessageSizeMax);
if(num < 1 || num > 0x7fffffff / 1024)
{
_messageSizeMax = 0x7fffffff;
}
else
{
_messageSizeMax = num * 1024; // Property is in kilobytes, _messageSizeMax in bytes
}
}
if(_initData.properties.getProperty("Ice.BatchAutoFlushSize").Length == 0 &&
_initData.properties.getProperty("Ice.BatchAutoFlush").Length > 0)
{
if(_initData.properties.getPropertyAsInt("Ice.BatchAutoFlush") > 0)
{
_batchAutoFlushSize = _messageSizeMax;
}
}
else
{
int num = _initData.properties.getPropertyAsIntWithDefault("Ice.BatchAutoFlushSize", 1024); // 1MB
if(num < 1)
{
_batchAutoFlushSize = num;
}
else if(num > 0x7fffffff / 1024)
{
_batchAutoFlushSize = 0x7fffffff;
}
else
{
_batchAutoFlushSize = num * 1024; // Property is in kilobytes, _batchAutoFlushSize in bytes
}
}
_cacheMessageBuffers = _initData.properties.getPropertyAsIntWithDefault("Ice.CacheMessageBuffers", 2);
_implicitContext = Ice.ImplicitContextI.create(_initData.properties.getProperty("Ice.ImplicitContext"));
_routerManager = new RouterManager();
_locatorManager = new LocatorManager(_initData.properties);
_referenceFactory = new ReferenceFactory(this, communicator);
_proxyFactory = new ProxyFactory(this);
_requestHandlerFactory = new RequestHandlerFactory(this);
bool isIPv6Supported = Network.isIPv6Supported();
bool ipv4 = _initData.properties.getPropertyAsIntWithDefault("Ice.IPv4", 1) > 0;
bool ipv6 = _initData.properties.getPropertyAsIntWithDefault("Ice.IPv6", isIPv6Supported ? 1 : 0) > 0;
if(!ipv4 && !ipv6)
{
throw new Ice.InitializationException("Both IPV4 and IPv6 support cannot be disabled.");
}
else if(ipv4 && ipv6)
{
_protocolSupport = Network.EnableBoth;
}
else if(ipv4)
{
_protocolSupport = Network.EnableIPv4;
}
else
{
_protocolSupport = Network.EnableIPv6;
}
_preferIPv6 = _initData.properties.getPropertyAsInt("Ice.PreferIPv6Address") > 0;
_networkProxy = createNetworkProxy(_initData.properties, _protocolSupport);
_endpointFactoryManager = new EndpointFactoryManager(this);
ProtocolInstance tcpProtocolInstance = new ProtocolInstance(this, Ice.TCPEndpointType.value, "tcp");
EndpointFactory tcpEndpointFactory = new TcpEndpointFactory(tcpProtocolInstance);
_endpointFactoryManager.add(tcpEndpointFactory);
ProtocolInstance udpProtocolInstance =
new ProtocolInstance(this, Ice.UDPEndpointType.value, "udp");
EndpointFactory udpEndpointFactory = new UdpEndpointFactory(udpProtocolInstance);
_endpointFactoryManager.add(udpEndpointFactory);
ProtocolInstance wsProtocolInstance = new ProtocolInstance(this, Ice.WSEndpointType.value, "ws");
_endpointFactoryManager.add(new WSEndpointFactory(wsProtocolInstance,
tcpEndpointFactory.clone(wsProtocolInstance)));
#if !SILVERLIGHT
_pluginManager = new Ice.PluginManagerI(communicator);
#endif
_outgoingConnectionFactory = new OutgoingConnectionFactory(communicator, this);
_servantFactoryManager = new ObjectFactoryManager();
_objectAdapterFactory = new ObjectAdapterFactory(this, communicator);
_retryQueue = new RetryQueue(this);
}
internal static void Trace(string heading, Ice.OutputStream str, Ice.ILogger logger, TraceLevels tl)
{
if (tl.Protocol >= 1)
{
var buffer = str.ToArray(); // TODO avoid copy the data
var iss = new InputStream(str.Communicator, str.Encoding, buffer);
iss.Pos = 0;
using var s = new System.IO.StringWriter(CultureInfo.CurrentCulture);
s.Write(heading);
PrintMessage(s, iss);
logger.Trace(tl.ProtocolCat, s.ToString());
}
}
internal static void trace(string heading, Ice.OutputStream str, Ice.Logger logger, TraceLevels tl)
{
if (tl.protocol >= 1)
{
int p = str.pos();
Ice.InputStream iss = new Ice.InputStream(str.instance(), str.getEncoding(), str.getBuffer(), false);
iss.pos(0);
using (System.IO.StringWriter s = new System.IO.StringWriter(CultureInfo.CurrentCulture))
{
s.Write(heading);
printMessage(s, iss);
logger.trace(tl.protocolCat, s.ToString());
}
str.pos(p);
}
}
public int checkRetryAfterException(Ice.LocalException ex, Reference @ref, ref int cnt)
{
TraceLevels traceLevels = _instance.traceLevels();
Ice.Logger logger = _instance.initializationData().logger;
if (@ref.getMode() == Reference.Mode.ModeBatchOneway || @ref.getMode() == Reference.Mode.ModeBatchDatagram)
{
Debug.Assert(false); // batch no longer implemented anyway
throw ex;
}
Ice.ObjectNotExistException one = ex as Ice.ObjectNotExistException;
if (one != null)
{
if (@ref.getRouterInfo() != null && one.operation.Equals("ice_add_proxy"))
{
//
// If we have a router, an ObjectNotExistException with an
// operation name "ice_add_proxy" indicates to the client
// that the router isn't aware of the proxy (for example,
// because it was evicted by the router). In this case, we
// must *always* retry, so that the missing proxy is added
// to the router.
//
@ref.getRouterInfo().clearCache(@ref);
if (traceLevels.retry >= 1)
{
string s = "retrying operation call to add proxy to router\n" + ex;
logger.trace(traceLevels.retryCat, s);
}
return(0); // We must always retry, so we don't look at the retry count.
}
else if (@ref.isIndirect())
{
//
// We retry ObjectNotExistException if the reference is
// indirect.
//
if (@ref.isWellKnown())
{
LocatorInfo li = @ref.getLocatorInfo();
if (li != null)
{
li.clearCache(@ref);
}
}
}
else
{
//
// For all other cases, we don't retry ObjectNotExistException.
//
throw ex;
}
}
else if (ex is Ice.RequestFailedException)
{
throw ex;
}
//
// There is no point in retrying an operation that resulted in a
// MarshalException. This must have been raised locally (because if
// it happened in a server it would result in an UnknownLocalException
// instead), which means there was a problem in this process that will
// not change if we try again.
//
if (ex is Ice.MarshalException)
{
throw ex;
}
//
// Don't retry if the communicator is destroyed, object adapter is deactivated,
// or connection is manually closed.
//
if (ex is Ice.CommunicatorDestroyedException ||
ex is Ice.ObjectAdapterDeactivatedException ||
ex is Ice.ConnectionManuallyClosedException)
{
throw ex;
}
//
// Don't retry invocation timeouts.
//
if (ex is Ice.InvocationTimeoutException || ex is Ice.InvocationCanceledException)
{
throw ex;
}
++cnt;
Debug.Assert(cnt > 0);
int interval;
if (cnt == (_retryIntervals.Length + 1) && ex is Ice.CloseConnectionException)
{
//
// A close connection exception is always retried at least once, even if the retry
// limit is reached.
//
interval = 0;
}
else if (cnt > _retryIntervals.Length)
{
if (traceLevels.retry >= 1)
{
string s = "cannot retry operation call because retry limit has been exceeded\n" + ex;
logger.trace(traceLevels.retryCat, s);
}
throw ex;
}
else
{
interval = _retryIntervals[cnt - 1];
}
if (traceLevels.retry >= 1)
{
string s = "retrying operation call";
if (interval > 0)
{
s += " in " + interval + "ms";
}
s += " because of exception\n" + ex;
logger.trace(traceLevels.retryCat, s);
}
return(interval);
}
//
// Only for use by Ice.CommunicatorI
//
public Instance(Ice.Communicator communicator, Ice.InitializationData initData)
{
_state = StateActive;
_initData = initData;
try
{
if(_initData.properties == null)
{
_initData.properties = Ice.Util.createProperties();
}
#if !SILVERLIGHT && !UNITY
lock(_staticLock)
{
if(!_oneOffDone)
{
string stdOut = _initData.properties.getProperty("Ice.StdOut");
string stdErr = _initData.properties.getProperty("Ice.StdErr");
System.IO.StreamWriter outStream = null;
if(stdOut.Length > 0)
{
try
{
outStream = System.IO.File.AppendText(stdOut);
}
catch(System.IO.IOException ex)
{
Ice.FileException fe = new Ice.FileException(ex);
fe.path = stdOut;
throw fe;
}
outStream.AutoFlush = true;
System.Console.Out.Close();
System.Console.SetOut(outStream);
}
if(stdErr.Length > 0)
{
if(stdErr.Equals(stdOut))
{
System.Console.SetError(outStream);
}
else
{
System.IO.StreamWriter errStream = null;
try
{
errStream = System.IO.File.AppendText(stdErr);
}
catch(System.IO.IOException ex)
{
Ice.FileException fe = new Ice.FileException(ex);
fe.path = stdErr;
throw fe;
}
errStream.AutoFlush = true;
System.Console.Error.Close();
System.Console.SetError(errStream);
}
}
_oneOffDone = true;
}
}
#endif
if(_initData.logger == null)
{
#if !SILVERLIGHT && !UNITY
string logfile = _initData.properties.getProperty("Ice.LogFile");
if(_initData.properties.getPropertyAsInt("Ice.UseSyslog") > 0 &&
AssemblyUtil.platform_ != AssemblyUtil.Platform.Windows)
{
if(logfile.Length != 0)
{
throw new Ice.InitializationException("Ice.LogFile and Ice.UseSyslog cannot both be set.");
}
_initData.logger = new Ice.SysLoggerI(_initData.properties.getProperty("Ice.ProgramName"),
_initData.properties.getPropertyWithDefault("Ice.SyslogFacility", "LOG_USER"));
}
else if(logfile.Length != 0)
{
_initData.logger =
new Ice.FileLoggerI(_initData.properties.getProperty("Ice.ProgramName"), logfile);
}
else if(Ice.Util.getProcessLogger() is Ice.LoggerI)
{
//
// Ice.ConsoleListener is enabled by default.
//
# if COMPACT
_initData.logger =
new Ice.ConsoleLoggerI(_initData.properties.getProperty("Ice.ProgramName"));
# else
bool console =
_initData.properties.getPropertyAsIntWithDefault("Ice.ConsoleListener", 1) == 1;
_initData.logger =
new Ice.TraceLoggerI(_initData.properties.getProperty("Ice.ProgramName"), console);
# endif
}
#else
if(Ice.Util.getProcessLogger() is Ice.LoggerI)
{
_initData.logger =
new Ice.ConsoleLoggerI(_initData.properties.getProperty("Ice.ProgramName"));
}
#endif
else
{
_initData.logger = Ice.Util.getProcessLogger();
}
}
_traceLevels = new TraceLevels(_initData.properties);
_defaultsAndOverrides = new DefaultsAndOverrides(_initData.properties);
#if COMPACT || SILVERLIGHT
char[] separators = { ' ', '\t', '\n', '\r' };
_factoryAssemblies = _initData.properties.getProperty("Ice.FactoryAssemblies").Split(separators);
#endif
{
const int defaultMessageSizeMax = 1024;
int num =
_initData.properties.getPropertyAsIntWithDefault("Ice.MessageSizeMax", defaultMessageSizeMax);
if(num < 1)
{
_messageSizeMax = defaultMessageSizeMax * 1024; // Ignore non-sensical values.
}
else if(num > 0x7fffffff / 1024)
{
_messageSizeMax = 0x7fffffff;
}
else
{
_messageSizeMax = num * 1024; // Property is in kilobytes, _messageSizeMax in bytes
}
}
//
// Client ACM enabled by default. Server ACM disabled by default.
//
_clientACM = _initData.properties.getPropertyAsIntWithDefault("Ice.ACM.Client", 60);
_serverACM = _initData.properties.getPropertyAsInt("Ice.ACM.Server");
_implicitContext = Ice.ImplicitContextI.create(_initData.properties.getProperty("Ice.ImplicitContext"));
_routerManager = new RouterManager();
_locatorManager = new LocatorManager(_initData.properties);
_referenceFactory = new ReferenceFactory(this, communicator);
_proxyFactory = new ProxyFactory(this);
bool ipv4 = _initData.properties.getPropertyAsIntWithDefault("Ice.IPv4", 1) > 0;
bool ipv6 = _initData.properties.getPropertyAsIntWithDefault("Ice.IPv6", 1) > 0;
if(!ipv4 && !ipv6)
{
throw new Ice.InitializationException("Both IPV4 and IPv6 support cannot be disabled.");
}
else if(ipv4 && ipv6)
{
_protocolSupport = Network.EnableBoth;
}
else if(ipv4)
{
_protocolSupport = Network.EnableIPv4;
}
else
{
_protocolSupport = Network.EnableIPv6;
}
_preferIPv6 = _initData.properties.getPropertyAsInt("Ice.PreferIPv6Address") > 0;
_endpointFactoryManager = new EndpointFactoryManager(this);
EndpointFactory tcpEndpointFactory = new TcpEndpointFactory(this);
_endpointFactoryManager.add(tcpEndpointFactory);
EndpointFactory udpEndpointFactory = new UdpEndpointFactory(this);
_endpointFactoryManager.add(udpEndpointFactory);
#if !SILVERLIGHT
_pluginManager = new Ice.PluginManagerI(communicator);
#endif
_outgoingConnectionFactory = new OutgoingConnectionFactory(communicator, this);
_servantFactoryManager = new ObjectFactoryManager();
_objectAdapterFactory = new ObjectAdapterFactory(this, communicator);
_retryQueue = new RetryQueue(this);
string[] facetFilter = _initData.properties.getPropertyAsList("Ice.Admin.Facets");
if(facetFilter.Length > 0)
{
foreach(string s in facetFilter)
{
_adminFacetFilter.Add(s);
}
}
_adminFacets.Add("Process", new ProcessI(communicator));
MetricsAdminI admin = new MetricsAdminI(_initData.properties, _initData.logger);
_adminFacets.Add("Metrics", admin);
PropertiesAdminI props = new PropertiesAdminI("Properties", _initData.properties, _initData.logger);
_adminFacets.Add("Properties", props);
//
// Setup the communicator observer only if the user didn't already set an
// Ice observer resolver and if the admininistrative endpoints are set.
//
if(_initData.observer == null &&
(_adminFacetFilter.Count == 0 || _adminFacetFilter.Contains("Metrics")) &&
_initData.properties.getProperty("Ice.Admin.Endpoints").Length > 0)
{
CommunicatorObserverI observer = new CommunicatorObserverI(admin);
_initData.observer = observer;
//
// Make sure the admin plugin receives property updates.
//
props.addUpdateCallback(admin);
}
}
private TraceLevels _traceLevels; // Immutable, not reset by destroy().
#endregion Fields
#region Constructors
//
// Only for use by Ice.CommunicatorI
//
public Instance(Ice.Communicator communicator, Ice.InitializationData initData)
{
_state = StateActive;
_initData = initData;
try
{
if(_initData.properties == null)
{
_initData.properties = Ice.Util.createProperties();
}
lock(_staticLock)
{
if(!_oneOffDone)
{
string stdOut = _initData.properties.getProperty("Ice.StdOut");
string stdErr = _initData.properties.getProperty("Ice.StdErr");
System.IO.StreamWriter outStream = null;
if(stdOut.Length > 0)
{
try
{
outStream = System.IO.File.AppendText(stdOut);
}
catch(System.IO.IOException ex)
{
Ice.FileException fe = new Ice.FileException(ex);
fe.path = stdOut;
throw fe;
}
outStream.AutoFlush = true;
System.Console.Out.Close();
System.Console.SetOut(outStream);
}
if(stdErr.Length > 0)
{
if(stdErr.Equals(stdOut))
{
System.Console.SetError(outStream);
}
else
{
System.IO.StreamWriter errStream = null;
try
{
errStream = System.IO.File.AppendText(stdErr);
}
catch(System.IO.IOException ex)
{
Ice.FileException fe = new Ice.FileException(ex);
fe.path = stdErr;
throw fe;
}
errStream.AutoFlush = true;
System.Console.Error.Close();
System.Console.SetError(errStream);
}
}
_oneOffDone = true;
}
}
if(_initData.logger == null)
{
string logfile = _initData.properties.getProperty("Ice.LogFile");
if(_initData.properties.getPropertyAsInt("Ice.UseSyslog") > 0)
{
if(logfile.Length != 0)
{
throw new Ice.InitializationException("Ice.LogFile and Ice.UseSyslog cannot both be set.");
}
_initData.logger = new Ice.SysLoggerI(_initData.properties.getProperty("Ice.ProgramName"),
_initData.properties.getPropertyWithDefault("Ice.SyslogFacility", "LOG_USER"));
}
else if(logfile.Length != 0 || Ice.Util.getProcessLogger() is Ice.LoggerI)
{
//
// Ice.ConsoleListener is enabled by default unless Ice.LogFile is set.
//
bool console =
_initData.properties.getPropertyAsIntWithDefault("Ice.ConsoleListener",
logfile.Length == 0 ? 1 : 0) > 0;
_initData.logger =
new Ice.TraceLoggerI(_initData.properties.getProperty("Ice.ProgramName"), logfile, console);
}
else
{
_initData.logger = Ice.Util.getProcessLogger();
}
}
_traceLevels = new TraceLevels(_initData.properties);
_defaultsAndOverrides = new DefaultsAndOverrides(_initData.properties);
#if COMPACT
_factoryAssemblies = _initData.properties.getPropertyAsList("Ice.FactoryAssemblies");
#endif
{
const int defaultMessageSizeMax = 1024;
int num =
_initData.properties.getPropertyAsIntWithDefault("Ice.MessageSizeMax", defaultMessageSizeMax);
if(num < 1)
{
_messageSizeMax = defaultMessageSizeMax * 1024; // Ignore non-sensical values.
}
else if(num > 0x7fffffff / 1024)
{
_messageSizeMax = 0x7fffffff;
}
else
{
_messageSizeMax = num * 1024; // Property is in kilobytes, _messageSizeMax in bytes
}
}
//
// Client ACM enabled by default. Server ACM disabled by default.
//
_clientACM = _initData.properties.getPropertyAsIntWithDefault("Ice.ACM.Client", 60);
_serverACM = _initData.properties.getPropertyAsInt("Ice.ACM.Server");
_implicitContext = Ice.ImplicitContextI.create(_initData.properties.getProperty("Ice.ImplicitContext"));
_routerManager = new RouterManager();
_locatorManager = new LocatorManager(_initData.properties);
_referenceFactory = new ReferenceFactory(this, communicator);
_proxyFactory = new ProxyFactory(this);
bool ipv4 = _initData.properties.getPropertyAsIntWithDefault("Ice.IPv4", 1) > 0;
bool ipv6 = _initData.properties.getPropertyAsIntWithDefault("Ice.IPv6", 0) > 0;
if(!ipv4 && !ipv6)
{
throw new Ice.InitializationException("Both IPV4 and IPv6 support cannot be disabled.");
}
else if(ipv4 && ipv6)
{
_protocolSupport = Network.EnableBoth;
}
else if(ipv4)
{
_protocolSupport = Network.EnableIPv4;
}
else
{
_protocolSupport = Network.EnableIPv6;
}
_endpointFactoryManager = new EndpointFactoryManager(this);
EndpointFactory tcpEndpointFactory = new TcpEndpointFactory(this);
_endpointFactoryManager.add(tcpEndpointFactory);
EndpointFactory udpEndpointFactory = new UdpEndpointFactory(this);
_endpointFactoryManager.add(udpEndpointFactory);
_pluginManager = new Ice.PluginManagerI(communicator);
_outgoingConnectionFactory = new OutgoingConnectionFactory(this);
_servantFactoryManager = new ObjectFactoryManager();
_objectAdapterFactory = new ObjectAdapterFactory(this, communicator);
_retryQueue = new RetryQueue(this);
string[] facetFilter = _initData.properties.getPropertyAsList("Ice.Admin.Facets");
if(facetFilter.Length > 0)
{
foreach(string s in facetFilter)
{
_adminFacetFilter.Add(s);
}
}
_adminFacets.Add("Properties", new PropertiesAdminI(_initData.properties));
_adminFacets.Add("Process", new ProcessI(communicator));
}
catch(Ice.LocalException)
{
destroy();
throw;
}
}
