2
This code is derived from jgit (http://eclipse.org/jgit).
3
Copyright owners are documented in jgit's IP log.
5
This program and the accompanying materials are made available
6
under the terms of the Eclipse Distribution License v1.0 which
7
accompanies this distribution, is reproduced below, and is
8
available at http://www.eclipse.org/org/documents/edl-v10.php
12
Redistribution and use in source and binary forms, with or
13
without modification, are permitted provided that the following
16
- Redistributions of source code must retain the above copyright
17
notice, this list of conditions and the following disclaimer.
19
- Redistributions in binary form must reproduce the above
20
copyright notice, this list of conditions and the following
21
disclaimer in the documentation and/or other materials provided
22
with the distribution.
24
- Neither the name of the Eclipse Foundation, Inc. nor the
25
names of its contributors may be used to endorse or promote
26
products derived from this software without specific prior
29
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
48
namespace NGit.Transport
50
/// <summary>Creates and destroys SSH connections to a remote system.</summary>
52
/// Creates and destroys SSH connections to a remote system.
54
/// Different implementations of the session factory may be used to control
55
/// communicating with the end-user as well as reading their personal SSH
56
/// configuration settings, such as known hosts and private keys.
59
/// <see cref="RemoteSession">RemoteSession</see>
60
/// must be returned to the factory that created it.
61
/// Callers are encouraged to retain the SshSessionFactory for the duration of
62
/// the period they are using the Session.
64
public abstract class SshSessionFactory
66
private static SshSessionFactory INSTANCE = new DefaultSshSessionFactory();
68
/// <summary>Get the currently configured JVM-wide factory.</summary>
70
/// Get the currently configured JVM-wide factory.
72
/// A factory is always available. By default the factory will read from the
73
/// user's <code>$HOME/.ssh</code> and assume OpenSSH compatibility.
75
/// <returns>factory the current factory for this JVM.</returns>
76
public static SshSessionFactory GetInstance()
81
/// <summary>Change the JVM-wide factory to a different implementation.</summary>
82
/// <remarks>Change the JVM-wide factory to a different implementation.</remarks>
83
/// <param name="newFactory">
84
/// factory for future sessions to be created through. If null the
85
/// default factory will be restored.s
87
public static void SetInstance(SshSessionFactory newFactory)
89
if (newFactory != null)
91
INSTANCE = newFactory;
95
INSTANCE = new DefaultSshSessionFactory();
99
/// <summary>Open (or reuse) a session to a host.</summary>
101
/// Open (or reuse) a session to a host.
103
/// A reasonable UserInfo that can interact with the end-user (if necessary)
104
/// is installed on the returned session by this method.
106
/// The caller must connect the session by invoking <code>connect()</code>
107
/// if it has not already been connected.
109
/// <param name="uri">URI information about the remote host</param>
110
/// <param name="credentialsProvider">provider to support authentication, may be null.
112
/// <param name="fs">
113
/// the file system abstraction which will be necessary to
114
/// perform certain file system operations.
116
/// <param name="tms">Timeout value, in milliseconds.</param>
117
/// <returns>a session that can contact the remote host.</returns>
118
/// <exception cref="NGit.Errors.TransportException">the session could not be created.
120
public abstract RemoteSession GetSession(URIish uri, CredentialsProvider credentialsProvider
123
/// <summary>Close (or recycle) a session to a host.</summary>
124
/// <remarks>Close (or recycle) a session to a host.</remarks>
125
/// <param name="session">
126
/// a session previously obtained from this factory's
127
/// <see cref="GetSession(URIish, CredentialsProvider, NGit.Util.FS, int)">GetSession(URIish, CredentialsProvider, NGit.Util.FS, int)
131
public virtual void ReleaseSession(RemoteSession session)
133
session.Disconnect();