CodeGeneratorResponse generate(CodeGeneratorRequest request) {
CodeGeneratorResponse.Builder builder = CodeGeneratorResponse.newBuilder();
for (FileDescriptorProto file : request.getProtoFileList()) {
String javaFilename = getJavaFilename(file.getPackage(), file.getName());
for (DescriptorProto msg : file.getMessageTypeList()) {
for (EnumDescriptorProto en : msg.getEnumTypeList()) {
File.Builder f = File.newBuilder();
f.setName(javaFilename);
f.setInsertionPoint(
format("enum_scope:%s.%s.%s", file.getPackage(), msg.getName(), en.getName()));
f.setContent(getEnumVisitor(en));
builder.addFile(f);
}
}
// insert visitors at outer_class_scope
}
return builder.build();
}
private void testCallsInternal(Configuration conf) throws IOException {
Server server =
new RPC.Builder(conf)
.setProtocol(TestProtocol.class)
.setInstance(new TestImpl())
.setBindAddress(ADDRESS)
.setPort(0)
.build();
TestProtocol proxy = null;
try {
server.start();
InetSocketAddress addr = NetUtils.getConnectAddress(server);
proxy = RPC.getProxy(TestProtocol.class, TestProtocol.versionID, addr, conf);
proxy.ping();
String stringResult = proxy.echo("foo");
assertEquals(stringResult, "foo");
stringResult = proxy.echo((String) null);
assertEquals(stringResult, null);
// Check rpcMetrics
MetricsRecordBuilder rb = getMetrics(server.rpcMetrics.name());
assertCounter("RpcProcessingTimeNumOps", 3L, rb);
assertCounterGt("SentBytes", 0L, rb);
assertCounterGt("ReceivedBytes", 0L, rb);
// Number of calls to echo method should be 2
rb = getMetrics(server.rpcDetailedMetrics.name());
assertCounter("EchoNumOps", 2L, rb);
// Number of calls to ping method should be 1
assertCounter("PingNumOps", 1L, rb);
String[] stringResults = proxy.echo(new String[] {"foo", "bar"});
assertTrue(Arrays.equals(stringResults, new String[] {"foo", "bar"}));
stringResults = proxy.echo((String[]) null);
assertTrue(Arrays.equals(stringResults, null));
UTF8 utf8Result = (UTF8) proxy.echo(new UTF8("hello world"));
assertEquals(utf8Result, new UTF8("hello world"));
utf8Result = (UTF8) proxy.echo((UTF8) null);
assertEquals(utf8Result, null);
int intResult = proxy.add(1, 2);
assertEquals(intResult, 3);
intResult = proxy.add(new int[] {1, 2});
assertEquals(intResult, 3);
// Test protobufs
EnumDescriptorProto sendProto = EnumDescriptorProto.newBuilder().setName("test").build();
EnumDescriptorProto retProto = proxy.exchangeProto(sendProto);
assertEquals(sendProto, retProto);
assertNotSame(sendProto, retProto);
boolean caught = false;
try {
proxy.error();
} catch (IOException e) {
if (LOG.isDebugEnabled()) {
LOG.debug("Caught " + e);
}
caught = true;
}
assertTrue(caught);
proxy.testServerGet();
// create multiple threads and make them do large data transfers
System.out.println("Starting multi-threaded RPC test...");
server.setSocketSendBufSize(1024);
Thread threadId[] = new Thread[numThreads];
for (int i = 0; i < numThreads; i++) {
Transactions trans = new Transactions(proxy, datasize);
threadId[i] = new Thread(trans, "TransactionThread-" + i);
threadId[i].start();
}
// wait for all transactions to get over
System.out.println("Waiting for all threads to finish RPCs...");
for (int i = 0; i < numThreads; i++) {
try {
threadId[i].join();
} catch (InterruptedException e) {
i--; // retry
}
}
} finally {
server.stop();
if (proxy != null) RPC.stopProxy(proxy);
}
}
private String getEnumVisitor(EnumDescriptorProto en) {
return format("// create a %sVisitor", en.getName());
}