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/*
* Copyright 2014, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package io.grpc.testing.integration;
import com.google.common.io.Files;
import io.grpc.ManagedChannel;
import io.grpc.internal.GrpcUtil;
import io.grpc.netty.GrpcSslContexts;
import io.grpc.netty.NegotiationType;
import io.grpc.netty.NettyChannelBuilder;
import io.grpc.okhttp.OkHttpChannelBuilder;
import io.grpc.testing.TestUtils;
import io.netty.handler.ssl.SslContext;
import java.io.File;
import java.io.FileInputStream;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.nio.charset.Charset;
import javax.net.ssl.SSLSocketFactory;
/**
* Application that starts a client for the {@link TestServiceGrpc.TestService} and runs through a
* series of tests.
*/
public class TestServiceClient {
private static final Charset UTF_8 = Charset.forName("UTF-8");
/**
* The main application allowing this client to be launched from the command line.
*/
public static void main(String[] args) throws Exception {
final TestServiceClient client = new TestServiceClient();
client.parseArgs(args);
client.setUp();
Runtime.getRuntime().addShutdownHook(new Thread() {
@Override
public void run() {
System.out.println("Shutting down");
try {
client.tearDown();
} catch (Exception e) {
e.printStackTrace();
}
}
});
try {
client.run();
} finally {
client.tearDown();
}
System.exit(0);
}
private String serverHost = "localhost";
private String serverHostOverride;
private int serverPort = 8080;
private String testCase = "empty_unary";
private boolean useTls = true;
private boolean useTestCa;
private boolean useOkHttp;
private String defaultServiceAccount;
private String serviceAccountKeyFile;
private String oauthScope;
private Tester tester = new Tester();
private void parseArgs(String[] args) {
boolean usage = false;
for (String arg : args) {
if (!arg.startsWith("--")) {
System.err.println("All arguments must start with '--': " + arg);
usage = true;
break;
}
String[] parts = arg.substring(2).split("=", 2);
String key = parts[0];
if ("help".equals(key)) {
usage = true;
break;
}
if (parts.length != 2) {
System.err.println("All arguments must be of the form --arg=value");
usage = true;
break;
}
String value = parts[1];
if ("server_host".equals(key)) {
serverHost = value;
} else if ("server_host_override".equals(key)) {
serverHostOverride = value;
} else if ("server_port".equals(key)) {
serverPort = Integer.parseInt(value);
} else if ("test_case".equals(key)) {
testCase = value;
} else if ("use_tls".equals(key)) {
useTls = Boolean.parseBoolean(value);
} else if ("use_test_ca".equals(key)) {
useTestCa = Boolean.parseBoolean(value);
} else if ("use_okhttp".equals(key)) {
useOkHttp = Boolean.parseBoolean(value);
} else if ("grpc_version".equals(key)) {
if (!"2".equals(value)) {
System.err.println("Only grpc version 2 is supported");
usage = true;
break;
}
} else if ("default_service_account".equals(key)) {
defaultServiceAccount = value;
} else if ("service_account_key_file".equals(key)) {
serviceAccountKeyFile = value;
} else if ("oauth_scope".equals(key)) {
oauthScope = value;
} else {
System.err.println("Unknown argument: " + key);
usage = true;
break;
}
}
if (usage) {
TestServiceClient c = new TestServiceClient();
System.out.println(
"Usage: [ARGS...]"
+ "\n"
+ "\n --server_host=HOST Server to connect to. Default " + c.serverHost
+ "\n --server_host_override=HOST Claimed identification expected of server."
+ "\n Defaults to server host"
+ "\n --server_port=PORT Port to connect to. Default " + c.serverPort
+ "\n --test_case=TESTCASE Test case to run. Default " + c.testCase
+ "\n Valid options:"
+ validTestCasesHelpText()
+ "\n --use_tls=true|false Whether to use TLS. Default " + c.useTls
+ "\n --use_test_ca=true|false Whether to trust our fake CA. Default " + c.useTestCa
+ "\n --use_okhttp=true|false Whether to use OkHttp instead of Netty. Default "
+ c.useOkHttp
+ "\n --default_service_account Email of GCE default service account. Default "
+ c.defaultServiceAccount
+ "\n --service_account_key_file Path to service account json key file."
+ c.serviceAccountKeyFile
+ "\n --oauth_scope Scope for OAuth tokens. Default " + c.oauthScope
);
System.exit(1);
}
}
private void setUp() {
tester.setUp();
}
private synchronized void tearDown() {
try {
tester.tearDown();
} catch (RuntimeException ex) {
throw ex;
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
private void run() {
System.out.println("Running test " + testCase);
try {
runTest(TestCases.fromString(testCase));
} catch (RuntimeException ex) {
throw ex;
} catch (Exception ex) {
throw new RuntimeException(ex);
}
System.out.println("Test completed.");
}
private void runTest(TestCases testCase) throws Exception {
switch (testCase) {
case EMPTY_UNARY:
tester.emptyUnary();
break;
case LARGE_UNARY:
tester.largeUnary();
break;
case CLIENT_STREAMING:
tester.clientStreaming();
break;
case SERVER_STREAMING:
tester.serverStreaming();
break;
case PING_PONG:
tester.pingPong();
break;
case EMPTY_STREAM:
tester.emptyStream();
break;
case COMPUTE_ENGINE_CREDS:
tester.computeEngineCreds(defaultServiceAccount, oauthScope);
break;
case SERVICE_ACCOUNT_CREDS: {
String jsonKey = Files.toString(new File(serviceAccountKeyFile), UTF_8);
FileInputStream credentialsStream = new FileInputStream(new File(serviceAccountKeyFile));
tester.serviceAccountCreds(jsonKey, credentialsStream, oauthScope);
break;
}
case JWT_TOKEN_CREDS: {
FileInputStream credentialsStream = new FileInputStream(new File(serviceAccountKeyFile));
tester.jwtTokenCreds(credentialsStream);
break;
}
case OAUTH2_AUTH_TOKEN: {
String jsonKey = Files.toString(new File(serviceAccountKeyFile), UTF_8);
FileInputStream credentialsStream = new FileInputStream(new File(serviceAccountKeyFile));
tester.oauth2AuthToken(jsonKey, credentialsStream, oauthScope);
break;
}
case PER_RPC_CREDS: {
String jsonKey = Files.toString(new File(serviceAccountKeyFile), UTF_8);
FileInputStream credentialsStream = new FileInputStream(new File(serviceAccountKeyFile));
tester.perRpcCreds(jsonKey, credentialsStream, oauthScope);
break;
}
case UNIMPLEMENTED_METHOD: {
tester.unimplementedMethod();
break;
}
case CANCEL_AFTER_BEGIN: {
tester.cancelAfterBegin();
break;
}
case CANCEL_AFTER_FIRST_RESPONSE: {
tester.cancelAfterFirstResponse();
break;
}
case TIMEOUT_ON_SLEEPING_SERVER: {
tester.timeoutOnSleepingServer();
break;
}
default:
throw new IllegalArgumentException("Unknown test case: " + testCase);
}
}
private class Tester extends AbstractInteropTest {
@Override
protected ManagedChannel createChannel() {
if (!useOkHttp) {
InetAddress address;
try {
address = InetAddress.getByName(serverHost);
if (serverHostOverride != null) {
// Force the hostname to match the cert the server uses.
address = InetAddress.getByAddress(serverHostOverride, address.getAddress());
}
} catch (UnknownHostException ex) {
throw new RuntimeException(ex);
}
SslContext sslContext = null;
if (useTestCa) {
try {
sslContext = GrpcSslContexts.forClient().trustManager(
TestUtils.loadCert("ca.pem")).build();
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
return NettyChannelBuilder.forAddress(new InetSocketAddress(address, serverPort))
.flowControlWindow(65 * 1024)
.negotiationType(useTls ? NegotiationType.TLS : NegotiationType.PLAINTEXT)
.sslContext(sslContext)
.build();
} else {
OkHttpChannelBuilder builder = OkHttpChannelBuilder.forAddress(serverHost, serverPort);
if (serverHostOverride != null) {
// Force the hostname to match the cert the server uses.
builder.overrideAuthority(
GrpcUtil.authorityFromHostAndPort(serverHostOverride, serverPort));
}
if (useTls) {
try {
SSLSocketFactory factory = useTestCa
? TestUtils.newSslSocketFactoryForCa(TestUtils.loadCert("ca.pem"))
: (SSLSocketFactory) SSLSocketFactory.getDefault();
builder.sslSocketFactory(factory);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
return builder.build();
}
}
}
private static String validTestCasesHelpText() {
StringBuilder builder = new StringBuilder();
for (TestCases testCase : TestCases.values()) {
String strTestcase = testCase.name().toLowerCase();
builder.append("\n ")
.append(strTestcase)
.append(": ")
.append(testCase.description());
}
return builder.toString();
}
}
