// parameters:
// strName 连接的名字。如果要针对同一 dp2mserver 使用多根连接，可以用名字区分它们。如果不想区分，可以使用空
// autoConnect 是否自动连接
// waitConnecting 是否等待连接完成后再返回?
public MessageConnection GetConnection(string url,
string remoteName,
bool autoConnect = true,
bool waitConnecting = true)
{
MessageConnection connection = null;
foreach (MessageConnection current_connection in _connections)
{
if (current_connection.ServerUrl == url && current_connection.Name == remoteName)
{
connection = current_connection;
goto FOUND;
}
}
connection = new MessageConnection();
connection.ServerUrl = url;
connection.Name = remoteName;
connection.Container = this;
this._connections.Add(connection);
FOUND:
if (autoConnect && connection.IsConnected == false)
{
Task task = connection.ConnectAsync(url);
if (waitConnecting)
{
task.Wait();
}
}
return(connection);
}
// parameters:
// strName 连接的名字。如果要针对同一 dp2mserver 使用多根连接，可以用名字区分它们。如果不想区分，可以使用空
public Task <MessageConnection> GetConnectionAsync(string url,
string strName,
bool autoConnect = true)
{
MessageConnection connection = null;
foreach (MessageConnection current_connection in _connections)
{
if (current_connection.ServerUrl == url && current_connection.Name == strName)
{
connection = current_connection;
goto FOUND;
}
}
connection = new MessageConnection();
connection.ServerUrl = url;
connection.Name = strName;
connection.Container = this;
this._connections.Add(connection);
FOUND:
if (autoConnect && connection.IsConnected == false)
{
Task <MessageConnection> task = new Task <MessageConnection>(() =>
{
connection.ConnectAsync(url).Wait();
return(connection);
});
task.Start();
return(task);
}
{
var task = new Task <MessageConnection>(() =>
{
return(connection);
});
task.Start();
return(task);
}
}
public async Task <MessageConnection> GetConnectionAsyncLite(string url,
string strName,
bool autoConnect = true,
bool incUseCount = false)
{
MessageConnection connection = null;
#if NO
this._lock.EnterUpgradeableReadLock();
try
{
foreach (MessageConnection current_connection in _connections)
{
if (current_connection.ServerUrl == url && current_connection.Name == strName)
{
connection = current_connection;
connection.LastTime = DateTime.Now;
goto FOUND;
}
}
connection = new MessageConnection();
connection.ServerUrl = url;
connection.Name = strName;
connection.LastTime = DateTime.Now;
connection.Container = this;
this._lock.EnterWriteLock();
try
{
this._connections.Add(connection);
}
finally
{
this._lock.ExitWriteLock();
}
}
finally
{
this._lock.ExitUpgradeableReadLock();
}
#endif
bool newCreate = false;
connection = PeekConnection(url,
strName,
incUseCount,
out newCreate);
if (newCreate == true)
{
// 触发 Created 事件
this.TriggerCreated(connection, new ConnectionCreatedEventArgs());
}
// FOUND:
if (autoConnect && connection.ConnectState == Microsoft.AspNet.SignalR.Client.ConnectionState.Disconnected)
{
MessageResult result = await connection.ConnectAsync();
if (result.Value == -1)
{
throw new MessageException(result.String, connection.UserName, result.ErrorInfo);
}
return(connection);
}
return(connection);
}
// parameters:
// strName 连接的名字。如果要针对同一 dp2mserver 使用多根连接，可以用名字区分它们。如果不想区分，可以使用空
public Task <MessageConnection> GetConnectionTaskAsync(string url,
string strName,
bool autoConnect = true,
bool incUseCount = false)
{
MessageConnection connection = null;
#if NO
this._lock.EnterUpgradeableReadLock();
try
{
foreach (MessageConnection current_connection in _connections)
{
if (current_connection.ServerUrl == url && current_connection.Name == strName)
{
connection = current_connection;
connection.LastTime = DateTime.Now;
goto FOUND;
}
}
connection = new MessageConnection();
connection.ServerUrl = url;
connection.Name = strName;
connection.LastTime = DateTime.Now;
connection.Container = this;
this._lock.EnterWriteLock();
try
{
this._connections.Add(connection);
}
finally
{
this._lock.ExitWriteLock();
}
}
finally
{
this._lock.ExitUpgradeableReadLock();
}
#endif
bool newCreate = false;
connection = PeekConnection(url,
strName,
incUseCount,
out newCreate);
if (newCreate == true)
{
// 触发 Created 事件
this.TriggerCreated(connection, new ConnectionCreatedEventArgs());
}
// FOUND:
#if NO
LoginEventArgs e = new LoginEventArgs();
e.ServerUrl = url;
e.Name = strName;
LoginEventHandler handler = this.Login;
if (handler != null)
{
handler(connection, e); // TODO: 是否在真正连接前再触发?
}
if (string.IsNullOrEmpty(e.ErrorInfo) == false)
{
throw new Exception(e.ErrorInfo);
}
connection.UserName = e.UserName;
connection.Password = e.Password;
connection.Parameters = e.Parameters;
#endif
if (autoConnect && connection.ConnectState == Microsoft.AspNet.SignalR.Client.ConnectionState.Disconnected)
{
return(Task.Run <MessageConnection>(async() =>
{
// TODO: 建议抛出原有 Exception
MessageResult result = await connection.ConnectAsync();
if (result.Value == -1)
{
throw new MessageException(result.String, connection.UserName, result.ErrorInfo);
}
return connection;
}));
#if NO
Task <MessageConnection> task = new Task <MessageConnection>(async() =>
{
// TODO: 建议抛出原有 Exception
MessageResult result = await connection.ConnectAsync();
if (result.Value == -1)
{
throw new Exception(result.ErrorInfo);
}
return(connection);
});
task.Start();
return(task);
#endif
}
#if NO
{
var task = new Task <MessageConnection>(() =>
{
return(connection);
});
task.Start();
return(task);
}
#endif
return(Task.Run(() =>
{
return connection;
}));
}