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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.sshd.client.session;
import java.io.IOException;
import java.net.SocketAddress;
import org.apache.sshd.client.config.hosts.HostConfigEntry;
import org.apache.sshd.client.future.ConnectFuture;
import org.apache.sshd.common.AttributeRepository;
import org.apache.sshd.common.util.net.SshdSocketAddress;
/**
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public interface ClientSessionCreator {
AttributeRepository.AttributeKey<SshdSocketAddress> TARGET_SERVER = new AttributeRepository.AttributeKey<>();
/**
* Resolves the <U>effective</U> {@link HostConfigEntry} and connects to it
*
* @param uri The server uri to connect to
* @return A {@link ConnectFuture}
* @throws IOException If failed to resolve the effective target or connect to it
* @see #connect(HostConfigEntry)
*/
ConnectFuture connect(String uri) throws IOException;
/**
* Resolves the <U>effective</U> {@link HostConfigEntry} and connects to it
*
* @param username The intended username
* @param host The target host name/address - never {@code null}/empty
* @param port The target port
* @return A {@link ConnectFuture}
* @throws IOException If failed to resolve the effective target or connect to it
* @see #connect(HostConfigEntry)
*/
default ConnectFuture connect(String username, String host, int port) throws IOException {
return connect(username, host, port, (AttributeRepository) null);
}
/**
* Resolves the <U>effective</U> {@link HostConfigEntry} and connects to it
*
* @param username The intended username
* @param host The target host name/address - never {@code null}/empty
* @param port The target port
* @param context An optional &quot;context&quot; to be attached to the established session if successfully
* connected
* @return A {@link ConnectFuture}
* @throws IOException If failed to resolve the effective target or connect to it
*/
default ConnectFuture connect(
String username, String host, int port, AttributeRepository context)
throws IOException {
return connect(username, host, port, context, null);
}
/**
* Resolves the <U>effective</U> {@link HostConfigEntry} and connects to it
*
* @param username The intended username
* @param host The target host name/address - never {@code null}/empty
* @param port The target port
* @param localAddress The local address to use - if {@code null} an automatic ephemeral port and bind address is
* used
* @return A {@link ConnectFuture}
* @throws IOException If failed to resolve the effective target or connect to it
* @see #connect(HostConfigEntry)
*/
default ConnectFuture connect(
String username, String host, int port, SocketAddress localAddress)
throws IOException {
return connect(username, host, port, null, localAddress);
}
/**
* Resolves the <U>effective</U> {@link HostConfigEntry} and connects to it
*
* @param username The intended username
* @param host The target host name/address - never {@code null}/empty
* @param port The target port
* @param context An optional &quot;context&quot; to be attached to the established session if successfully
* connected
* @param localAddress The local address to use - if {@code null} an automatic ephemeral port and bind address is
* used
* @return A {@link ConnectFuture}
* @throws IOException If failed to resolve the effective target or connect to it
*/
ConnectFuture connect(
String username, String host, int port, AttributeRepository context, SocketAddress localAddress)
throws IOException;
/**
* Resolves the <U>effective</U> {@link HostConfigEntry} and connects to it
*
* @param username The intended username
* @param address The intended {@link SocketAddress} - never {@code null}. If this is an
* {@link java.net.InetSocketAddress} then the <U>effective</U> {@link HostConfigEntry} is
* resolved and used.
* @return A {@link ConnectFuture}
* @throws IOException If failed to resolve the effective target or connect to it
* @see #connect(HostConfigEntry)
*/
default ConnectFuture connect(String username, SocketAddress address) throws IOException {
return connect(username, address, (AttributeRepository) null);
}
/**
* Resolves the <U>effective</U> {@link HostConfigEntry} and connects to it
*
* @param username The intended username
* @param address The intended {@link SocketAddress} - never {@code null}. If this is an
* {@link java.net.InetSocketAddress} then the <U>effective</U> {@link HostConfigEntry} is
* resolved and used.
* @param context An optional &quot;context&quot; to be attached to the established session if successfully
* connected
* @return A {@link ConnectFuture}
* @throws IOException If failed to resolve the effective target or connect to it
*/
default ConnectFuture connect(
String username, SocketAddress address, AttributeRepository context)
throws IOException {
return connect(username, address, context, null);
}
/**
* Resolves the <U>effective</U> {@link HostConfigEntry} and connects to it
*
* @param username The intended username
* @param targetAddress The intended target {@link SocketAddress} - never {@code null}. If this is an
* {@link java.net.InetSocketAddress} then the <U>effective</U> {@link HostConfigEntry} is
* resolved and used.
* @param localAddress The local address to use - if {@code null} an automatic ephemeral port and bind address is
* used
* @return A {@link ConnectFuture}
* @throws IOException If failed to resolve the effective target or connect to it
* @see #connect(HostConfigEntry)
*/
default ConnectFuture connect(
String username, SocketAddress targetAddress, SocketAddress localAddress)
throws IOException {
return connect(username, targetAddress, null, localAddress);
}
/**
* Resolves the <U>effective</U> {@link HostConfigEntry} and connects to it
*
* @param username The intended username
* @param targetAddress The intended target {@link SocketAddress} - never {@code null}. If this is an
* {@link java.net.InetSocketAddress} then the <U>effective</U> {@link HostConfigEntry} is
* resolved and used.
* @param context An optional &quot;context&quot; to be attached to the established session if successfully
* connected
* @param localAddress The local address to use - if {@code null} an automatic ephemeral port and bind address is
* used
* @return A {@link ConnectFuture}
* @throws IOException If failed to resolve the effective target or connect to it
*/
ConnectFuture connect(
String username, SocketAddress targetAddress, AttributeRepository context, SocketAddress localAddress)
throws IOException;
/**
* @param hostConfig The effective {@link HostConfigEntry} to connect to - never {@code null}
* @return A {@link ConnectFuture}
* @throws IOException If failed to create the connection future
*/
default ConnectFuture connect(HostConfigEntry hostConfig) throws IOException {
return connect(hostConfig, (AttributeRepository) null);
}
/**
* @param hostConfig The effective {@link HostConfigEntry} to connect to - never {@code null}
* @param context An optional &quot;context&quot; to be attached to the established session if successfully
* connected
* @return A {@link ConnectFuture}
* @throws IOException If failed to create the connection future
*/
default ConnectFuture connect(HostConfigEntry hostConfig, AttributeRepository context) throws IOException {
return connect(hostConfig, context, null);
}
/**
* @param hostConfig The effective {@link HostConfigEntry} to connect to - never {@code null}
* @param localAddress The local address to use - if {@code null} an automatic ephemeral port and bind address is
* used
* @return A {@link ConnectFuture}
* @throws IOException If failed to create the connection future
*/
default ConnectFuture connect(HostConfigEntry hostConfig, SocketAddress localAddress) throws IOException {
return connect(hostConfig, null, localAddress);
}
/**
* @param hostConfig The effective {@link HostConfigEntry} to connect to - never {@code null}
* @param context An optional &quot;context&quot; to be attached to the established session if successfully
* connected
* @param localAddress The local address to use - if {@code null} an automatic ephemeral port and bind address is
* used
* @return A {@link ConnectFuture}
* @throws IOException If failed to create the connection future
*/
ConnectFuture connect(
HostConfigEntry hostConfig, AttributeRepository context, SocketAddress localAddress)
throws IOException;
}