main.okhttp3.Route.kt Maven / Gradle / Ivy
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/*
* Copyright (C) 2013 Square, Inc.
*
* Licensed 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 okhttp3
import java.net.InetSocketAddress
import java.net.Proxy
import okhttp3.internal.toCanonicalHost
/**
* The concrete route used by a connection to reach an abstract origin server. When creating a
* connection the client has many options:
*
* * **HTTP proxy:** a proxy server may be explicitly configured for the client. Otherwise, the
* [proxy selector][java.net.ProxySelector] is used. It may return multiple proxies to attempt.
* * **IP address:** whether connecting directly to an origin server or a proxy, opening a socket
* requires an IP address. The DNS server may return multiple IP addresses to attempt.
*
* Each route is a specific selection of these options.
*/
class Route(
@get:JvmName("address") val address: Address,
/**
* Returns the [Proxy] of this route.
*
* **Warning:** This may disagree with [Address.proxy] when it is null. When the address's proxy
* is null, the proxy selector is used.
*/
@get:JvmName("proxy") val proxy: Proxy,
@get:JvmName("socketAddress") val socketAddress: InetSocketAddress,
) {
@JvmName("-deprecated_address")
@Deprecated(
message = "moved to val",
replaceWith = ReplaceWith(expression = "address"),
level = DeprecationLevel.ERROR,
)
fun address(): Address = address
@JvmName("-deprecated_proxy")
@Deprecated(
message = "moved to val",
replaceWith = ReplaceWith(expression = "proxy"),
level = DeprecationLevel.ERROR,
)
fun proxy(): Proxy = proxy
@JvmName("-deprecated_socketAddress")
@Deprecated(
message = "moved to val",
replaceWith = ReplaceWith(expression = "socketAddress"),
level = DeprecationLevel.ERROR,
)
fun socketAddress(): InetSocketAddress = socketAddress
/**
* Returns true if this route tunnels HTTPS or HTTP/2 through an HTTP proxy.
* See [RFC 2817, Section 5.2][rfc_2817].
*
* [rfc_2817]: http://www.ietf.org/rfc/rfc2817.txt
*/
fun requiresTunnel(): Boolean {
if (proxy.type() != Proxy.Type.HTTP) return false
return (address.sslSocketFactory != null) ||
(Protocol.H2_PRIOR_KNOWLEDGE in address.protocols)
}
override fun equals(other: Any?): Boolean {
return other is Route &&
other.address == address &&
other.proxy == proxy &&
other.socketAddress == socketAddress
}
override fun hashCode(): Int {
var result = 17
result = 31 * result + address.hashCode()
result = 31 * result + proxy.hashCode()
result = 31 * result + socketAddress.hashCode()
return result
}
/**
* Returns a string with the URL hostname, socket IP address, and socket port, like one of these:
*
* * `example.com:80 at 1.2.3.4:8888`
* * `example.com:443 via proxy [::1]:8888`
*
* This omits duplicate information when possible.
*/
override fun toString(): String {
return buildString {
val addressHostname = address.url.host // Already in canonical form.
val socketHostname = socketAddress.address?.hostAddress?.toCanonicalHost()
when {
':' in addressHostname -> append("[").append(addressHostname).append("]")
else -> append(addressHostname)
}
if (address.url.port != socketAddress.port || addressHostname == socketHostname) {
append(":")
append(address.url.port)
}
if (addressHostname != socketHostname) {
when (proxy) {
Proxy.NO_PROXY -> append(" at ")
else -> append(" via proxy ")
}
when {
socketHostname == null -> append("")
':' in socketHostname -> append("[").append(socketHostname).append("]")
else -> append(socketHostname)
}
append(":")
append(socketAddress.port)
}
}
}
}