--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/sjavac/server/JavacServiceClient.java Thu Aug 21 14:16:28 2014 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,433 +0,0 @@
-/*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.tools.sjavac.server;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileReader;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.PrintStream;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.net.InetAddress;
-import java.net.InetSocketAddress;
-import java.net.Socket;
-import java.net.SocketAddress;
-import java.net.URI;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import com.sun.tools.sjavac.Util;
-
-import static com.sun.tools.sjavac.server.CompilationResult.ERROR_BUT_TRY_AGAIN;
-import static com.sun.tools.sjavac.server.CompilationResult.ERROR_FATAL;
-
-public class JavacServiceClient implements JavacService {
-
-
- // The id can perhaps be used in the future by the javac server to reuse the
- // JavaCompiler instance for several compiles using the same id.
- private final String id;
- private final String portfile;
- private final String logfile;
- private final String stdouterrfile;
- private final boolean background;
-
- // Default keepalive for server is 120 seconds.
- // I.e. it will accept 120 seconds of inactivity before quitting.
- private final int keepalive;
- private final int poolsize;
-
- // The sjavac option specifies how the server part of sjavac is spawned.
- // If you have the experimental sjavac in your path, you are done. If not, you have
- // to point to a com.sun.tools.sjavac.Main that supports --startserver
- // for example by setting: sjavac=java%20-jar%20...javac.jar%com.sun.tools.sjavac.Main
- private final String sjavac;
-
- public JavacServiceClient(String settings) {
- id = Util.extractStringOption("id", settings);
- portfile = Util.extractStringOption("portfile", settings);
- logfile = Util.extractStringOption("logfile", settings, portfile + ".javaclog");
- stdouterrfile = Util.extractStringOption("stdouterrfile", settings, portfile + ".stdouterr");
- background = Util.extractBooleanOption("background", settings, true);
- sjavac = Util.extractStringOption("sjavac", settings, "sjavac");
- int poolsize = Util.extractIntOption("poolsize", settings);
- keepalive = Util.extractIntOption("keepalive", settings, 120);
-
- this.poolsize = poolsize > 0 ? poolsize : Runtime.getRuntime().availableProcessors();
- }
-
-
- /**
- * Make a request to the server only to get the maximum possible heap size to use for compilations.
- *
- * @param port_file The port file used to synchronize creation of this server.
- * @param id The identify of the compilation.
- * @param out Standard out information.
- * @param err Standard err information.
- * @return The maximum heap size in bytes.
- */
- @Override
- public SysInfo getSysInfo() {
- try {
- CompilationResult cr = useServer(new String[0],
- Collections.<URI>emptySet(),
- Collections.<URI>emptySet(),
- Collections.<URI, Set<String>>emptyMap());
- return cr.sysinfo;
- } catch (Exception e) {
- return new SysInfo(-1, -1);
- }
- }
-
- @Override
- public CompilationResult compile(String protocolId,
- String invocationId,
- String[] args,
- List<File> explicitSources,
- Set<URI> sourcesToCompile,
- Set<URI> visibleSources) {
- // Delegate to useServer, which delegates to compileHelper
- return useServer(args, sourcesToCompile, visibleSources, null);
- }
-
- /**
- * Connect and compile using the javac server settings and the args. When using more advanced features, the sources_to_compile and visible_sources are
- * supplied to the server and meta data is returned in package_artifacts, package_dependencies and package_pubapis.
- */
- public CompilationResult compileHelper(String id,
- String[] args,
- Set<URI> sourcesToCompile,
- Set<URI> visibleSources) {
-
- CompilationResult rc = new CompilationResult(-3);
-
- try {
- PortFile portFile = JavacServer.getPortFile(this.portfile);
-
- int port = portFile.containsPortInfo() ? portFile.getPort() : 0;
- if (port == 0) {
- return new CompilationResult(ERROR_BUT_TRY_AGAIN);
- }
- long cookie = portFile.getCookie();
- // Acquire the localhost/127.0.0.1 address.
- InetAddress addr = InetAddress.getByName(null);
- SocketAddress sockaddr = new InetSocketAddress(addr, port);
- Socket sock = new Socket();
- int timeoutMs = JavacServer.CONNECTION_TIMEOUT * 1000;
- try {
- sock.connect(sockaddr, timeoutMs);
- } catch (java.net.ConnectException e) {
- rc.setReturnCode(ERROR_BUT_TRY_AGAIN);
- rc.stderr = "Could not connect to javac server found in portfile: " + portFile.getFilename() + " " + e;
- return rc;
- }
- if (!sock.isConnected()) {
- rc.setReturnCode(ERROR_BUT_TRY_AGAIN);
- rc.stderr = "Could not connect to javac server found in portfile: " + portFile.getFilename();
- return rc;
- }
-
- //
- // Send arguments
- //
- BufferedReader in = new BufferedReader(new InputStreamReader(sock.getInputStream()));
- PrintWriter sockout = new PrintWriter(sock.getOutputStream());
-
- sockout.println(JavacServer.PROTOCOL_COOKIE_VERSION);
- sockout.println("" + cookie);
- sockout.println(JavacServer.PROTOCOL_CWD);
- sockout.println(System.getProperty("user.dir"));
- sockout.println(JavacServer.PROTOCOL_ID);
- sockout.println(id);
- sockout.println(JavacServer.PROTOCOL_ARGS);
- for (String s : args) {
- StringBuffer buf = new StringBuffer();
- String[] paths = s.split(File.pathSeparator);
- int c = 0;
- for (String path : paths) {
- File f = new File(path);
- if (f.isFile() || f.isDirectory()) {
- buf.append(f.getAbsolutePath());
- c++;
- if (c < paths.length) {
- buf.append(File.pathSeparator);
- }
- } else {
- buf = new StringBuffer(s);
- break;
- }
- }
- sockout.println(buf.toString());
- }
- sockout.println(JavacServer.PROTOCOL_SOURCES_TO_COMPILE);
- for (URI uri : sourcesToCompile) {
- sockout.println(uri.toString());
- }
- sockout.println(JavacServer.PROTOCOL_VISIBLE_SOURCES);
- for (URI uri : visibleSources) {
- sockout.println(uri.toString());
- }
- sockout.println(JavacServer.PROTOCOL_END);
- sockout.flush();
-
- //
- // Receive result
- //
- StringBuffer stdout = new StringBuffer();
- StringBuffer stderr = new StringBuffer();
-
- if (!JavacServiceClient.expect(in, JavacServer.PROTOCOL_STDOUT)) {
- return new CompilationResult(ERROR_FATAL);
- }
- // Load stdout
- for (;;) {
- String l = in.readLine();
- if (l == null) {
- return new CompilationResult(ERROR_FATAL);
- }
- if (l.equals(JavacServer.PROTOCOL_STDERR)) {
- break;
- }
- stdout.append(l);
- stdout.append('\n');
- }
- // Load stderr
- for (;;) {
- String l = in.readLine();
- if (l == null) {
- return new CompilationResult(ERROR_FATAL);
- }
- if (l.equals(JavacServer.PROTOCOL_PACKAGE_ARTIFACTS)) {
- break;
- }
- stderr.append(l);
- stderr.append('\n');
- }
- // Load the package artifacts
- Set<URI> lastUriSet = null;
- for (;;) {
- String l = in.readLine();
- if (l == null) {
- return new CompilationResult(ERROR_FATAL);
- }
- if (l.equals(JavacServer.PROTOCOL_PACKAGE_DEPENDENCIES)) {
- break;
- }
- if (l.length() > 1 && l.charAt(0) == '+') {
- String pkg = l.substring(1);
- lastUriSet = new HashSet<>();
- rc.packageArtifacts.put(pkg, lastUriSet);
- } else if (l.length() > 1 && lastUriSet != null) {
- lastUriSet.add(new URI(l.substring(1)));
- }
- }
- // Load package dependencies
- Set<String> lastPackageSet = null;
- for (;;) {
- String l = in.readLine();
- if (l == null) {
- return new CompilationResult(ERROR_FATAL);
- }
- if (l.equals(JavacServer.PROTOCOL_PACKAGE_PUBLIC_APIS)) {
- break;
- }
- if (l.length() > 1 && l.charAt(0) == '+') {
- String pkg = l.substring(1);
- lastPackageSet = new HashSet<>();
- rc.packageDependencies.put(pkg, lastPackageSet);
- } else if (l.length() > 1 && lastPackageSet != null) {
- lastPackageSet.add(l.substring(1));
- }
- }
- // Load package pubapis
- Map<String, StringBuffer> tmp = new HashMap<>();
- StringBuffer lastPublicApi = null;
- for (;;) {
- String l = in.readLine();
- if (l == null) {
- return new CompilationResult(ERROR_FATAL);
- }
- if (l.equals(JavacServer.PROTOCOL_SYSINFO)) {
- break;
- }
- if (l.length() > 1 && l.charAt(0) == '+') {
- String pkg = l.substring(1);
- lastPublicApi = new StringBuffer();
- tmp.put(pkg, lastPublicApi);
- } else if (l.length() > 1 && lastPublicApi != null) {
- lastPublicApi.append(l.substring(1));
- lastPublicApi.append("\n");
- }
- }
- for (String p : tmp.keySet()) {
- //assert (packagePublicApis.get(p) == null);
- String api = tmp.get(p).toString();
- rc.packagePubapis.put(p, api);
- }
- // Now reading the max memory possible.
- for (;;) {
- String l = in.readLine();
- if (l == null) {
- return new CompilationResult(ERROR_FATAL);
- }
- if (l.equals(JavacServer.PROTOCOL_RETURN_CODE)) {
- break;
- }
- if (l.startsWith("num_cores=")) {
- rc.sysinfo.numCores = Integer.parseInt(l.substring(10));
- }
- if (l.startsWith("max_memory=")) {
- rc.sysinfo.maxMemory = Long.parseLong(l.substring(11));
- }
- }
- String l = in.readLine();
- if (l == null) {
- rc.setReturnCode(ERROR_FATAL);
- rc.stderr = "No return value from the server!";
- return rc;
- }
- rc.setReturnCode(Integer.parseInt(l));
- rc.stdout = stdout.toString();
- rc.stderr = stderr.toString();
- } catch (Exception e) {
- StringWriter sw = new StringWriter();
- e.printStackTrace(new PrintWriter(sw));
- rc.stderr = sw.toString();
- }
- return rc;
- }
-
- /**
- * Dispatch a compilation request to a javac server.
- *
- * @param args are the command line args to javac and is allowed to contain source files, @file and other command line options to javac.
- *
- * The generated classes, h files and other artifacts from the javac invocation are stored by the javac server to disk.
- *
- * @param sources_to_compile The sources to compile.
- *
- * @param visibleSources If visible sources has a non zero size, then visible_sources are the only files in the file system that the javac server can see!
- * (Sources to compile are always visible.) The visible sources are those supplied by the (filtered) -sourcepath
- *
- * @param visibleClasses If visible classes for a specific root/jar has a non zero size, then visible_classes are the only class files that the javac server
- * can see, in that root/jar. It maps from a classpath root or a jar file to the set of visible classes for that root/jar.
- *
- * The server return meta data about the build in the following parameters.
- * @param package_artifacts, map from package name to set of created artifacts for that package.
- * @param package_dependencies, map from package name to set of packages that it depends upon.
- * @param package_pubapis, map from package name to unique string identifying its pub api.
- */
- public CompilationResult useServer(String[] args,
- Set<URI> sourcesToCompile,
- Set<URI> visibleSources,
- Map<URI, Set<String>> visibleClasses) {
- try {
- if (portfile == null) {
- CompilationResult cr = new CompilationResult(CompilationResult.ERROR_FATAL);
- cr.stderr = "No portfile was specified!";
- return cr;
- }
-
- int attempts = 0;
- CompilationResult rc;
- do {
- PortFile port_file = JavacServer.getPortFile(portfile);
- synchronized (port_file) {
- port_file.lock();
- port_file.getValues();
- port_file.unlock();
- }
- if (!port_file.containsPortInfo()) {
- String cmd = JavacServer.fork(sjavac, port_file.getFilename(), logfile, poolsize, keepalive, System.err, stdouterrfile, background);
-
- if (background && !port_file.waitForValidValues()) {
- // Ouch the server did not start! Lets print its stdouterrfile and the command used.
- StringWriter sw = new StringWriter();
- JavacServiceClient.printFailedAttempt(cmd, stdouterrfile, new PrintWriter(sw));
- // And give up.
- CompilationResult cr = new CompilationResult(ERROR_FATAL);
- cr.stderr = sw.toString();
- return cr;
- }
- }
- rc = compileHelper(id, args, sourcesToCompile, visibleSources);
- // Try again until we manage to connect. Any error after that
- // will cause the compilation to fail.
- if (rc.returnCode == CompilationResult.ERROR_BUT_TRY_AGAIN) {
- // We could not connect to the server. Try again.
- attempts++;
- try {
- Thread.sleep(JavacServer.WAIT_BETWEEN_CONNECT_ATTEMPTS * 1000);
- } catch (InterruptedException e) {
- }
- }
- } while (rc.returnCode == ERROR_BUT_TRY_AGAIN && attempts < JavacServer.MAX_NUM_CONNECT_ATTEMPTS);
- return rc;
- } catch (Exception e) {
- StringWriter sw = new StringWriter();
- e.printStackTrace(new PrintWriter(sw));
- CompilationResult cr = new CompilationResult(ERROR_FATAL);
- cr.stderr = sw.toString();
- return cr;
- }
- }
-
- public static void printFailedAttempt(String cmd, String f, PrintWriter err) {
- err.println("---- Failed to start javac server with this command -----");
- err.println(cmd);
- try {
- BufferedReader in = new BufferedReader(new FileReader(f));
- err.println("---- stdout/stderr output from attempt to start javac server -----");
- for (;;) {
- String l = in.readLine();
- if (l == null) {
- break;
- }
- err.println(l);
- }
- err.println("------------------------------------------------------------------");
- } catch (Exception e) {
- err.println("The stdout/stderr output in file " + f + " does not exist and the server did not start.");
- }
- }
-
- /**
- * Expect this key on the next line read from the reader.
- */
- public static boolean expect(BufferedReader in, String key) throws IOException {
- String s = in.readLine();
- if (s != null && s.equals(key)) {
- return true;
- }
- return false;
- }
-}