public ClusterController(ClientConfiguration clientConfig)
: this(clientConfig,
pool =>
{
Log.Debug(m => m("Creating DefaultIOStrategy"));
return new DefaultIOStrategy(pool);
},
(config, endpoint) =>
{
IConnectionPool connectionPool;
if (config.UseSsl)
{
connectionPool = new ConnectionPool<SslConnection>(config, endpoint);
}
else
{
connectionPool = new ConnectionPool<Connection>(config, endpoint);
}
connectionPool.Initialize();
return connectionPool;
},
SaslFactory.GetFactory3(),
clientConfig.Converter(),
clientConfig.Transcoder())
{
}
/// <devdoc>
/// <para>
/// Setups and Creates a NetworkStream connection to the server
/// perform any initalization if needed
/// </para>
/// </devdoc>
internal CommandStream(
ConnectionPool connectionPool,
TimeSpan lifetime,
bool checkLifetime
) : base(connectionPool, lifetime, checkLifetime) {
m_Decoder = m_Encoding.GetDecoder();
}
public ClusterManager(ClientConfiguration clientConfig)
: this(clientConfig,
pool =>
{
Log.Debug(m => m("Creating DefaultIOStrategy"));
return new DefaultIOStrategy(pool);
},
(config, endpoint) =>
{
IConnectionPool connectionPool;
if (config.UseSsl)
{
connectionPool = new ConnectionPool<SslConnection>(config, endpoint);
}
else
{
connectionPool = new ConnectionPool<EapConnection>(config, endpoint);
}
return connectionPool;
},
SaslFactory.GetFactory3(),
new AutoByteConverter(),
new TypeSerializer(new AutoByteConverter(), clientConfig.DeserializationContractResolver, clientConfig.SerializationContractResolver))
{
}
internal PooledStream(ConnectionPool connectionPool, TimeSpan lifetime, bool checkLifetime) : base () { // pooled constructor
m_ConnectionPool = connectionPool;
m_Lifetime = lifetime;
m_CheckLifetime = checkLifetime;
m_Initalizing = true;
m_NetworkStream = new NetworkStream();
m_CreateTime = DateTime.UtcNow;
}
internal PooledStream(ConnectionPool connectionPool, TimeSpan lifetime, bool checkLifetime)
{
this.m_ConnectionPool = connectionPool;
this.m_Lifetime = lifetime;
this.m_CheckLifetime = checkLifetime;
this.m_Initalizing = true;
this.m_NetworkStream = new System.Net.Sockets.NetworkStream();
this.m_CreateTime = DateTime.UtcNow;
}
internal static ConnectionPool GetConnectionPool(ServicePoint servicePoint, string groupName, CreateConnectionDelegate createConnectionCallback) {
string key = GenerateKey(servicePoint.Host, servicePoint.Port, groupName);
lock(InternalSyncObject) {
ConnectionPool connectionPool = (ConnectionPool) m_ConnectionPools[key];
if (connectionPool == null) {
connectionPool = new ConnectionPool(servicePoint, servicePoint.ConnectionLimit, 0, servicePoint.MaxIdleTime, createConnectionCallback);
m_ConnectionPools[key] = connectionPool;
}
return connectionPool;
}
}
public ClusterManager(ClientConfiguration clientConfig, Func<IConnectionPool, IOStrategy> ioStrategyFactory)
: this(clientConfig,
ioStrategyFactory,
(config, endpoint) =>
{
IConnectionPool connectionPool;
if (config.UseSsl)
{
connectionPool = new ConnectionPool<SslConnection>(config, endpoint);
}
else
{
connectionPool = new ConnectionPool<EapConnection>(config, endpoint);
}
return connectionPool;
}, SaslFactory.GetFactory3(),
new AutoByteConverter(),
new TypeSerializer(new AutoByteConverter(), clientConfig.DeserializationContractResolver, clientConfig.SerializationContractResolver))
{
}
public ClusterController(ClientConfiguration clientConfig, Func<IConnectionPool, IOStrategy> ioStrategyFactory)
: this(clientConfig,
ioStrategyFactory,
(config, endpoint) =>
{
IConnectionPool connectionPool;
if (config.UseSsl)
{
connectionPool = new ConnectionPool<SslConnection>(config, endpoint);
}
else
{
connectionPool = new ConnectionPool<Connection>(config, endpoint);
}
connectionPool.Initialize();
return connectionPool;
}, SaslFactory.GetFactory3(),
clientConfig.Converter(),
clientConfig.Transcoder())
{
}
//
// NOTE1: The caller must synchronize access to SubmitRequest(), only one call is even allowed for a particular request!
// NOTE2: This method eats all exceptions so the caller must rethrow them
//
private void SubmitRequest(bool async) {
try {
m_Async = async;
if (CheckCacheRetrieveBeforeSubmit())
{
RequestCallback(null);
return;
}
// This is the only place touching m_ConnectionPool
if (m_ConnectionPool == null)
m_ConnectionPool = ConnectionPoolManager.GetConnectionPool(ServicePoint, GetConnectionGroupLine(), m_CreateConnectionCallback);
//
// FYI: Will do 2 attempts max as per AttemptedRecovery
//
Stream stream;
while(true)
{
FtpControlStream connection = m_Connection;
if (connection == null)
{
connection = QueueOrCreateConnection();
if (connection == null)
return;
}
if(!async){
if (Timeout != System.Threading.Timeout.Infinite)
{
m_RemainingTimeout = Timeout - (int)((DateTime.UtcNow - m_StartTime).TotalMilliseconds);
if(m_RemainingTimeout <= 0){
throw new WebException(NetRes.GetWebStatusString(WebExceptionStatus.Timeout), WebExceptionStatus.Timeout);
}
}
}
GlobalLog.Print("Request being submitted"+ValidationHelper.HashString(this));
connection.SetSocketTimeoutOption(SocketShutdown.Both, RemainingTimeout, false);
try {
stream = TimedSubmitRequestHelper(async);
} catch (Exception e) {
if (AttemptedRecovery(e)){
if(!async){
if (Timeout != System.Threading.Timeout.Infinite)
{
m_RemainingTimeout = Timeout - (int)((DateTime.UtcNow - m_StartTime).TotalMilliseconds);
if(m_RemainingTimeout <= 0){
throw;
}
}
}
continue;
}
throw;
}
// no retry needed
break;
}
} catch (WebException webException) {
//if this was a timeout, throw a timeout exception
IOException ioEx = webException.InnerException as IOException;
if(ioEx != null){
SocketException sEx = ioEx.InnerException as SocketException;
if(sEx != null){
if (sEx.ErrorCode == (int)SocketError.TimedOut) {
SetException(new WebException(SR.GetString(SR.net_timeout), WebExceptionStatus.Timeout));
}
}
}
SetException(webException);
}
catch (Exception exception) {
SetException(exception);
}
}
internal void GetConnection(ServicePoint servicePoint)
{
if (this.isConnected)
{
throw new InvalidOperationException(SR.GetString("SmtpAlreadyConnected"));
}
if (Logging.On)
{
Logging.Associate(Logging.Web, this, servicePoint);
}
this.connectionPool = ConnectionPoolManager.GetConnectionPool(servicePoint, "", m_CreateConnectionCallback);
PooledStream pooledStream = this.connectionPool.GetConnection(this, null, this.Timeout);
while ((((SmtpPooledStream) pooledStream).creds != null) && (((SmtpPooledStream) pooledStream).creds != this.credentials))
{
this.connectionPool.PutConnection(pooledStream, pooledStream.Owner, this.Timeout, false);
pooledStream = this.connectionPool.GetConnection(this, null, this.Timeout);
}
if (Logging.On)
{
Logging.Associate(Logging.Web, this, pooledStream);
}
lock (this)
{
this.pooledStream = pooledStream;
}
((SmtpPooledStream) pooledStream).creds = this.credentials;
this.responseReader = new SmtpReplyReaderFactory(pooledStream.NetworkStream);
pooledStream.UpdateLifetime();
if (((SmtpPooledStream) pooledStream).previouslyUsed)
{
this.isConnected = true;
}
else
{
LineInfo info = this.responseReader.GetNextReplyReader().ReadLine();
if (info.StatusCode != SmtpStatusCode.ServiceReady)
{
throw new SmtpException(info.StatusCode, info.Line, true);
}
try
{
this.extensions = EHelloCommand.Send(this, this.client.clientDomain);
this.ParseExtensions(this.extensions);
}
catch (SmtpException exception)
{
if ((exception.StatusCode != SmtpStatusCode.CommandUnrecognized) && (exception.StatusCode != SmtpStatusCode.CommandNotImplemented))
{
throw exception;
}
HelloCommand.Send(this, this.client.clientDomain);
this.supportedAuth = SupportedAuth.Login;
}
if (this.enableSsl)
{
if (!this.serverSupportsStartTls && !(pooledStream.NetworkStream is TlsStream))
{
throw new SmtpException(SR.GetString("MailServerDoesNotSupportStartTls"));
}
StartTlsCommand.Send(this);
TlsStream stream2 = new TlsStream(servicePoint.Host, pooledStream.NetworkStream, this.clientCertificates, servicePoint, this.client, null);
pooledStream.NetworkStream = stream2;
this.channelBindingToken = stream2.GetChannelBinding(ChannelBindingKind.Unique);
this.responseReader = new SmtpReplyReaderFactory(pooledStream.NetworkStream);
this.extensions = EHelloCommand.Send(this, this.client.clientDomain);
this.ParseExtensions(this.extensions);
}
if (this.credentials != null)
{
for (int i = 0; i < this.authenticationModules.Length; i++)
{
Authorization authorization;
if (this.AuthSupported(this.authenticationModules[i]))
{
NetworkCredential credential = this.credentials.GetCredential(servicePoint.Host, servicePoint.Port, this.authenticationModules[i].AuthenticationType);
if (credential != null)
{
authorization = this.SetContextAndTryAuthenticate(this.authenticationModules[i], credential, null);
if ((authorization != null) && (authorization.Message != null))
{
info = AuthCommand.Send(this, this.authenticationModules[i].AuthenticationType, authorization.Message);
if (info.StatusCode != SmtpStatusCode.CommandParameterNotImplemented)
{
goto Label_0363;
}
}
}
}
continue;
Label_02F2:
authorization = this.authenticationModules[i].Authenticate(info.Line, null, this, this.client.TargetName, this.channelBindingToken);
if (authorization == null)
{
throw new SmtpException(SR.GetString("SmtpAuthenticationFailed"));
}
info = AuthCommand.Send(this, authorization.Message);
if (info.StatusCode == ((SmtpStatusCode) 0xeb))
{
this.authenticationModules[i].CloseContext(this);
this.isConnected = true;
return;
}
Label_0363:
if (info.StatusCode == ((SmtpStatusCode) 0x14e))
{
goto Label_02F2;
}
}
}
this.isConnected = true;
}
}
internal CommandStream(ConnectionPool connectionPool, TimeSpan lifetime, bool checkLifetime) : base(connectionPool, lifetime, checkLifetime)
{
this.m_Buffer = string.Empty;
this.m_Encoding = System.Text.Encoding.UTF8;
this.m_Decoder = this.m_Encoding.GetDecoder();
}
/// <devdoc>
/// <para>
/// Setups and Creates a NetworkStream connection to the server
/// perform any initalization if needed
/// </para>
/// </devdoc>
internal FtpControlStream(
ConnectionPool connectionPool,
TimeSpan lifetime,
bool checkLifetime
) : base(connectionPool, lifetime, checkLifetime) {
}
internal FtpControlStream(ConnectionPool connectionPool, TimeSpan lifetime, bool checkLifetime) : base(connectionPool, lifetime, checkLifetime)
{
this.m_CurrentTypeSetting = string.Empty;
this.m_ContentLength = -1L;
}
internal CommandStream(ConnectionPool connectionPool, TimeSpan lifetime, bool checkLifetime) : base(connectionPool, lifetime, checkLifetime)
{
this.m_Buffer = string.Empty;
this.m_Encoding = System.Text.Encoding.UTF8;
this.m_Decoder = this.m_Encoding.GetDecoder();
}
internal IAsyncResult BeginGetConnection(ServicePoint servicePoint, ContextAwareResult outerResult, AsyncCallback callback, object state)
{
if (Logging.On)
{
Logging.Associate(Logging.Web, this, servicePoint);
}
if ((this.EnableSsl && (this.ClientCertificates != null)) && (this.ClientCertificates.Count > 0))
{
this.connectionPool = ConnectionPoolManager.GetConnectionPool(servicePoint, this.ClientCertificates.GetHashCode().ToString(NumberFormatInfo.InvariantInfo), m_CreateConnectionCallback);
}
else
{
this.connectionPool = ConnectionPoolManager.GetConnectionPool(servicePoint, "", m_CreateConnectionCallback);
}
ConnectAndHandshakeAsyncResult result = new ConnectAndHandshakeAsyncResult(this, servicePoint.Host, servicePoint.Port, outerResult, callback, state);
result.GetConnection(false);
return result;
}
private static PooledStream CreateSmtpPooledStream(ConnectionPool pool)
{
return new SmtpPooledStream(pool, TimeSpan.MaxValue, false);
}
internal IAsyncResult BeginGetConnection(ServicePoint servicePoint, ContextAwareResult outerResult, AsyncCallback callback, object state)
{
if (Logging.On) Logging.Associate(Logging.Web, this, servicePoint);
Debug.Assert(servicePoint != null, "servicePoint was null from SmtpTransport");
if (EnableSsl && ClientCertificates != null && ClientCertificates.Count > 0)
connectionPool = ConnectionPoolManager.GetConnectionPool(servicePoint, ClientCertificates.GetHashCode().ToString(NumberFormatInfo.InvariantInfo), m_CreateConnectionCallback);
else
connectionPool = ConnectionPoolManager.GetConnectionPool(servicePoint, "", m_CreateConnectionCallback);
ConnectAndHandshakeAsyncResult result = new ConnectAndHandshakeAsyncResult(this, servicePoint.Host, servicePoint.Port, outerResult, callback, state);
result.GetConnection(false);
return result;
}
internal FtpControlStream(ConnectionPool connectionPool, TimeSpan lifetime, bool checkLifetime) : base(connectionPool, lifetime, checkLifetime)
{
this.m_CurrentTypeSetting = string.Empty;
this.m_ContentLength = -1L;
}
internal void GetConnection(ServicePoint servicePoint)
{
if (isConnected)
{
throw new InvalidOperationException(SR.GetString(SR.SmtpAlreadyConnected));
}
if (Logging.On) Logging.Associate(Logging.Web, this, servicePoint);
Debug.Assert(servicePoint != null, "servicePoint was null from SmtpTransport");
connectionPool = ConnectionPoolManager.GetConnectionPool(servicePoint, "", m_CreateConnectionCallback);
PooledStream pooledStream = connectionPool.GetConnection((object)this, null, Timeout);
while (((SmtpPooledStream)pooledStream).creds != null && ((SmtpPooledStream)pooledStream).creds != credentials) {
// destroy this connection so that a new connection can be created
// in order to use the proper credentials. Do not just close the
// connection since it's in a state where a QUIT could be sent
connectionPool.PutConnection(pooledStream, pooledStream.Owner, Timeout, false);
pooledStream = connectionPool.GetConnection((object)this, null, Timeout);
}
if (Logging.On) Logging.Associate(Logging.Web, this, pooledStream);
lock (this) {
this.pooledStream = pooledStream;
}
((SmtpPooledStream)pooledStream).creds = credentials;
responseReader = new SmtpReplyReaderFactory(pooledStream.NetworkStream);
//set connectionlease
pooledStream.UpdateLifetime();
//if the stream was already used, then we've already done the handshake
if (((SmtpPooledStream)pooledStream).previouslyUsed == true) {
isConnected = true;
return;
}
LineInfo info = responseReader.GetNextReplyReader().ReadLine();
switch (info.StatusCode)
{
case SmtpStatusCode.ServiceReady:
{
break;
}
default:
{
throw new SmtpException(info.StatusCode, info.Line, true);
}
}
try
{
extensions = EHelloCommand.Send(this, client.clientDomain);
ParseExtensions(extensions);
}
catch (SmtpException e)
{
if ((e.StatusCode != SmtpStatusCode.CommandUnrecognized)
&& (e.StatusCode != SmtpStatusCode.CommandNotImplemented)) {
throw e;
}
HelloCommand.Send(this, client.clientDomain);
//if ehello isn't supported, assume basic login
supportedAuth = SupportedAuth.Login;
}
#if !FEATURE_PAL
// Establish TLS
if (enableSsl)
{
if (!serverSupportsStartTls)
{
// Either TLS is already established or server does not support TLS
if (!(pooledStream.NetworkStream is TlsStream))
{
throw new SmtpException(SR.GetString(SR.MailServerDoesNotSupportStartTls));
}
}
StartTlsCommand.Send(this);
TlsStream TlsStream = new TlsStream(servicePoint.Host, pooledStream.NetworkStream, clientCertificates, servicePoint, client, null);
pooledStream.NetworkStream = TlsStream;
//for SMTP, the CBT should be unique
this.channelBindingToken = TlsStream.GetChannelBinding(ChannelBindingKind.Unique);
responseReader = new SmtpReplyReaderFactory(pooledStream.NetworkStream);
// According to RFC 3207: The client SHOULD send an EHLO command
// as the first command after a successful TLS negotiation.
extensions = EHelloCommand.Send(this, client.clientDomain);
ParseExtensions(extensions);
}
#endif // !FEATURE_PAL
//if no credentials were supplied, try anonymous
//servers don't appear to anounce that they support anonymous login.
if (credentials != null) {
for (int i = 0; i < authenticationModules.Length; i++)
{
//only authenticate if the auth protocol is supported - [....]
if (!AuthSupported(authenticationModules[i])) {
continue;
}
NetworkCredential credential = credentials.GetCredential(servicePoint.Host,
servicePoint.Port, authenticationModules[i].AuthenticationType);
if (credential == null)
continue;
Authorization auth = SetContextAndTryAuthenticate(authenticationModules[i], credential, null);
if (auth != null && auth.Message != null)
{
info = AuthCommand.Send(this, authenticationModules[i].AuthenticationType, auth.Message);
if (info.StatusCode == SmtpStatusCode.CommandParameterNotImplemented)
{
continue;
}
while ((int)info.StatusCode == 334)
{
auth = authenticationModules[i].Authenticate(info.Line, null, this, this.client.TargetName, this.channelBindingToken);
if (auth == null)
{
throw new SmtpException(SR.GetString(SR.SmtpAuthenticationFailed));
}
info = AuthCommand.Send(this, auth.Message);
if ((int)info.StatusCode == 235)
{
authenticationModules[i].CloseContext(this);
isConnected = true;
return;
}
}
}
}
}
isConnected = true;
}
/// <summary>
/// <para>builds networkStream from Socket</para>
/// </summary>
private static PooledStream CreateFtpConnection(ConnectionPool pool) {
return (PooledStream) new FtpControlStream(pool, TimeSpan.MaxValue, false);
}
public AsyncConnectionPoolRequest(ConnectionPool pool, object owningObject, GeneralAsyncDelegate asyncCallback, int creationTimeout) {
Pool = pool;
OwningObject = owningObject;
AsyncCallback = asyncCallback;
CreationTimeout = creationTimeout;
}
internal SmtpPooledStream(ConnectionPool connectionPool, TimeSpan lifetime, bool checkLifetime) : base (connectionPool,lifetime,checkLifetime) {
}
private void SubmitRequest(bool async)
{
try
{
FtpControlStream stream;
this.m_Async = async;
if (this.CheckCacheRetrieveBeforeSubmit())
{
this.RequestCallback(null);
return;
}
if (this.m_ConnectionPool == null)
{
this.m_ConnectionPool = ConnectionPoolManager.GetConnectionPool(this.ServicePoint, this.GetConnectionGroupLine(), m_CreateConnectionCallback);
}
Label_003F:
stream = this.m_Connection;
if (stream == null)
{
stream = this.QueueOrCreateConnection();
if (stream == null)
{
return;
}
}
if (!async && (this.Timeout != -1))
{
TimeSpan span = (TimeSpan) (DateTime.UtcNow - this.m_StartTime);
this.m_RemainingTimeout = this.Timeout - ((int) span.TotalMilliseconds);
if (this.m_RemainingTimeout <= 0)
{
throw new WebException(NetRes.GetWebStatusString(WebExceptionStatus.Timeout), WebExceptionStatus.Timeout);
}
}
stream.SetSocketTimeoutOption(SocketShutdown.Both, this.RemainingTimeout, false);
try
{
this.TimedSubmitRequestHelper(async);
}
catch (Exception exception)
{
if (!this.AttemptedRecovery(exception))
{
throw;
}
if (!async && (this.Timeout != -1))
{
TimeSpan span2 = (TimeSpan) (DateTime.UtcNow - this.m_StartTime);
this.m_RemainingTimeout = this.Timeout - ((int) span2.TotalMilliseconds);
if (this.m_RemainingTimeout <= 0)
{
throw;
}
}
goto Label_003F;
}
}
catch (WebException exception2)
{
IOException innerException = exception2.InnerException as IOException;
if (innerException != null)
{
SocketException exception4 = innerException.InnerException as SocketException;
if ((exception4 != null) && (exception4.ErrorCode == 0x274c))
{
this.SetException(new WebException(SR.GetString("net_timeout"), WebExceptionStatus.Timeout));
}
}
this.SetException(exception2);
}
catch (Exception exception5)
{
this.SetException(exception5);
}
}
