| /* |
| * Copyright (c) 2012, 2013, 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.IOException; |
| import java.io.InputStreamReader; |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.net.Socket; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.Map; |
| import java.util.concurrent.Future; |
| import javax.tools.JavaFileManager; |
| import javax.tools.JavaFileObject; |
| import javax.tools.StandardJavaFileManager; |
| |
| import com.sun.tools.javac.util.Context; |
| import com.sun.tools.javac.util.ListBuffer; |
| import com.sun.tools.javac.util.Log; |
| import com.sun.tools.javac.util.BaseFileManager; |
| import com.sun.tools.javac.util.StringUtils; |
| import com.sun.tools.sjavac.comp.Dependencies; |
| import com.sun.tools.sjavac.comp.JavaCompilerWithDeps; |
| import com.sun.tools.sjavac.comp.SmartFileManager; |
| import com.sun.tools.sjavac.comp.ResolveWithDeps; |
| |
| /** |
| * The compiler thread maintains a JavaCompiler instance and |
| * can receive a request from the client, perform the compilation |
| * requested and report back the results. |
| * |
| * * <p><b>This is NOT part of any supported API. |
| * If you write code that depends on this, you do so at your own |
| * risk. This code and its internal interfaces are subject to change |
| * or deletion without notice.</b></p> |
| */ |
| public class CompilerThread implements Runnable { |
| private JavacServer javacServer; |
| private CompilerPool compilerPool; |
| private List<Future<?>> subTasks; |
| |
| // Communicating over this socket. |
| private Socket socket; |
| |
| // The necessary classes to do a compilation. |
| private com.sun.tools.javac.api.JavacTool compiler; |
| private StandardJavaFileManager fileManager; |
| private BaseFileManager fileManagerBase; |
| private SmartFileManager smartFileManager; |
| private Context context; |
| |
| // If true, then this thread is serving a request. |
| private boolean inUse = false; |
| |
| CompilerThread(CompilerPool cp) { |
| compilerPool = cp; |
| javacServer = cp.getJavacServer(); |
| } |
| |
| /** |
| * Execute a minor task, for example generating bytecodes and writing them to disk, |
| * that belong to a major compiler thread task. |
| */ |
| public synchronized void executeSubtask(Runnable r) { |
| subTasks.add(compilerPool.executeSubtask(this, r)); |
| } |
| |
| /** |
| * Count the number of active sub tasks. |
| */ |
| public synchronized int numActiveSubTasks() { |
| int c = 0; |
| for (Future<?> f : subTasks) { |
| if (!f.isDone() && !f.isCancelled()) { |
| c++; |
| } |
| } |
| return c; |
| } |
| |
| /** |
| * Use this socket for the upcoming request. |
| */ |
| public void setSocket(Socket s) { |
| socket = s; |
| } |
| |
| /** |
| * Prepare the compiler thread for use. It is not yet started. |
| * It will be started by the executor service. |
| */ |
| public synchronized void use() { |
| assert(!inUse); |
| inUse = true; |
| compiler = com.sun.tools.javac.api.JavacTool.create(); |
| fileManager = compiler.getStandardFileManager(null, null, null); |
| fileManagerBase = (BaseFileManager)fileManager; |
| smartFileManager = new SmartFileManager(fileManager); |
| context = new Context(); |
| context.put(JavaFileManager.class, smartFileManager); |
| ResolveWithDeps.preRegister(context); |
| JavaCompilerWithDeps.preRegister(context, this); |
| subTasks = new ArrayList<>(); |
| } |
| |
| /** |
| * Prepare the compiler thread for idleness. |
| */ |
| public synchronized void unuse() { |
| assert(inUse); |
| inUse = false; |
| compiler = null; |
| fileManager = null; |
| fileManagerBase = null; |
| smartFileManager = null; |
| context = null; |
| subTasks = null; |
| } |
| |
| /** |
| * Expect this key on the next line read from the reader. |
| */ |
| private static boolean expect(BufferedReader in, String key) throws IOException { |
| String s = in.readLine(); |
| if (s != null && s.equals(key)) { |
| return true; |
| } |
| return false; |
| } |
| |
| // The request identifier, for example GENERATE_NEWBYTECODE |
| String id = ""; |
| |
| public String currentRequestId() { |
| return id; |
| } |
| |
| PrintWriter stdout; |
| PrintWriter stderr; |
| int forcedExitCode = 0; |
| |
| public void logError(String msg) { |
| stderr.println(msg); |
| forcedExitCode = -1; |
| } |
| |
| /** |
| * Invoked by the executor service. |
| */ |
| public void run() { |
| // Unique nr that identifies this request. |
| int thisRequest = compilerPool.startRequest(); |
| long start = System.currentTimeMillis(); |
| int numClasses = 0; |
| StringBuilder compiledPkgs = new StringBuilder(); |
| use(); |
| |
| PrintWriter out = null; |
| try { |
| javacServer.log("<"+thisRequest+"> Connect from "+socket.getRemoteSocketAddress()+" activethreads="+compilerPool.numActiveRequests()); |
| BufferedReader in = new BufferedReader(new InputStreamReader( |
| socket.getInputStream())); |
| out = new PrintWriter(new OutputStreamWriter( |
| socket.getOutputStream())); |
| if (!expect(in, JavacServer.PROTOCOL_COOKIE_VERSION)) { |
| javacServer.log("<"+thisRequest+"> Bad protocol from ip "+socket.getRemoteSocketAddress()); |
| return; |
| } |
| |
| String cookie = in.readLine(); |
| if (cookie == null || !cookie.equals(""+javacServer.getCookie())) { |
| javacServer.log("<"+thisRequest+"> Bad cookie from ip "+socket.getRemoteSocketAddress()); |
| return; |
| } |
| if (!expect(in, JavacServer.PROTOCOL_CWD)) { |
| return; |
| } |
| String cwd = in.readLine(); |
| if (cwd == null) |
| return; |
| if (!expect(in, JavacServer.PROTOCOL_ID)) { |
| return; |
| } |
| id = in.readLine(); |
| if (id == null) |
| return; |
| if (!expect(in, JavacServer.PROTOCOL_ARGS)) { |
| return; |
| } |
| ArrayList<String> the_options = new ArrayList<>(); |
| ArrayList<File> the_classes = new ArrayList<>(); |
| Iterable<File> path = Arrays.<File> asList(new File(cwd)); |
| |
| for (;;) { |
| String l = in.readLine(); |
| if (l == null) |
| return; |
| if (l.equals(JavacServer.PROTOCOL_SOURCES_TO_COMPILE)) |
| break; |
| if (l.startsWith("--server:")) |
| continue; |
| if (!l.startsWith("-") && l.endsWith(".java")) { |
| the_classes.add(new File(l)); |
| numClasses++; |
| } else { |
| the_options.add(l); |
| } |
| continue; |
| } |
| |
| // Load sources to compile |
| Set<URI> sourcesToCompile = new HashSet<>(); |
| for (;;) { |
| String l = in.readLine(); |
| if (l == null) |
| return; |
| if (l.equals(JavacServer.PROTOCOL_VISIBLE_SOURCES)) |
| break; |
| try { |
| sourcesToCompile.add(new URI(l)); |
| numClasses++; |
| } catch (URISyntaxException e) { |
| return; |
| } |
| } |
| // Load visible sources |
| Set<URI> visibleSources = new HashSet<>(); |
| boolean fix_drive_letter_case = |
| StringUtils.toLowerCase(System.getProperty("os.name")).startsWith("windows"); |
| for (;;) { |
| String l = in.readLine(); |
| if (l == null) |
| return; |
| if (l.equals(JavacServer.PROTOCOL_END)) |
| break; |
| try { |
| URI u = new URI(l); |
| if (fix_drive_letter_case) { |
| // Make sure the driver letter is lower case. |
| String s = u.toString(); |
| if (s.startsWith("file:/") && |
| Character.isUpperCase(s.charAt(6))) { |
| u = new URI("file:/"+Character.toLowerCase(s.charAt(6))+s.substring(7)); |
| } |
| } |
| visibleSources.add(u); |
| } catch (URISyntaxException e) { |
| return; |
| } |
| } |
| |
| // A completed request has been received. |
| |
| // Now setup the actual compilation.... |
| // First deal with explicit source files on cmdline and in at file. |
| ListBuffer<JavaFileObject> compilationUnits = new ListBuffer<>(); |
| for (JavaFileObject i : fileManager.getJavaFileObjectsFromFiles(the_classes)) { |
| compilationUnits.append(i); |
| } |
| // Now deal with sources supplied as source_to_compile. |
| ListBuffer<File> sourcesToCompileFiles = new ListBuffer<>(); |
| for (URI u : sourcesToCompile) { |
| sourcesToCompileFiles.append(new File(u)); |
| } |
| for (JavaFileObject i : fileManager.getJavaFileObjectsFromFiles(sourcesToCompileFiles)) { |
| compilationUnits.append(i); |
| } |
| // Log the options to be used. |
| StringBuilder options = new StringBuilder(); |
| for (String s : the_options) { |
| options.append(">").append(s).append("< "); |
| } |
| javacServer.log(id+" <"+thisRequest+"> options "+options.toString()); |
| |
| forcedExitCode = 0; |
| // Create a new logger. |
| StringWriter stdoutLog = new StringWriter(); |
| StringWriter stderrLog = new StringWriter(); |
| stdout = new PrintWriter(stdoutLog); |
| stderr = new PrintWriter(stderrLog); |
| com.sun.tools.javac.main.Main.Result rc = com.sun.tools.javac.main.Main.Result.OK; |
| try { |
| if (compilationUnits.size() > 0) { |
| // Bind the new logger to the existing context. |
| context.put(Log.outKey, stderr); |
| Log.instance(context).setWriter(Log.WriterKind.NOTICE, stdout); |
| Log.instance(context).setWriter(Log.WriterKind.WARNING, stderr); |
| Log.instance(context).setWriter(Log.WriterKind.ERROR, stderr); |
| // Process the options. |
| com.sun.tools.javac.api.JavacTool.processOptions(context, smartFileManager, the_options); |
| fileManagerBase.setContext(context); |
| smartFileManager.setVisibleSources(visibleSources); |
| smartFileManager.cleanArtifacts(); |
| smartFileManager.setLog(stdout); |
| Dependencies.instance(context).reset(); |
| |
| com.sun.tools.javac.main.Main ccompiler = new com.sun.tools.javac.main.Main("javacTask", stderr); |
| String[] aa = the_options.toArray(new String[0]); |
| |
| // Do the compilation! |
| rc = ccompiler.compile(aa, context, compilationUnits.toList(), null); |
| |
| while (numActiveSubTasks()>0) { |
| try { Thread.sleep(1000); } catch (InterruptedException e) { } |
| } |
| |
| smartFileManager.flush(); |
| } |
| } catch (Exception e) { |
| stderr.println(e.getMessage()); |
| forcedExitCode = -1; |
| } |
| |
| // Send the response.. |
| out.println(JavacServer.PROTOCOL_STDOUT); |
| out.print(stdoutLog); |
| out.println(JavacServer.PROTOCOL_STDERR); |
| out.print(stderrLog); |
| // The compilation is complete! And errors will have already been printed on out! |
| out.println(JavacServer.PROTOCOL_PACKAGE_ARTIFACTS); |
| Map<String,Set<URI>> pa = smartFileManager.getPackageArtifacts(); |
| for (String aPkgName : pa.keySet()) { |
| out.println("+"+aPkgName); |
| Set<URI> as = pa.get(aPkgName); |
| for (URI a : as) { |
| out.println(" "+a.toString()); |
| } |
| } |
| Dependencies deps = Dependencies.instance(context); |
| out.println(JavacServer.PROTOCOL_PACKAGE_DEPENDENCIES); |
| Map<String,Set<String>> pd = deps.getDependencies(); |
| for (String aPkgName : pd.keySet()) { |
| out.println("+"+aPkgName); |
| Set<String> ds = pd.get(aPkgName); |
| // Everything depends on java.lang |
| if (!ds.contains(":java.lang")) ds.add(":java.lang"); |
| for (String d : ds) { |
| out.println(" "+d); |
| } |
| } |
| out.println(JavacServer.PROTOCOL_PACKAGE_PUBLIC_APIS); |
| Map<String,String> pp = deps.getPubapis(); |
| for (String aPkgName : pp.keySet()) { |
| out.println("+"+aPkgName); |
| String ps = pp.get(aPkgName); |
| // getPubapis added a space to each line! |
| out.println(ps); |
| compiledPkgs.append(aPkgName+" "); |
| } |
| out.println(JavacServer.PROTOCOL_SYSINFO); |
| out.println("num_cores=" + Runtime.getRuntime().availableProcessors()); |
| out.println("max_memory=" + Runtime.getRuntime().maxMemory()); |
| out.println(JavacServer.PROTOCOL_RETURN_CODE); |
| |
| // Errors from sjavac that affect compilation status! |
| int rcv = rc.exitCode; |
| if (rcv == 0 && forcedExitCode != 0) { |
| rcv = forcedExitCode; |
| } |
| out.println("" + rcv); |
| out.println(JavacServer.PROTOCOL_END); |
| out.flush(); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } finally { |
| try { |
| if (out != null) out.close(); |
| if (!socket.isClosed()) { |
| socket.close(); |
| } |
| socket = null; |
| } catch (Exception e) { |
| javacServer.log("ERROR "+e); |
| e.printStackTrace(); |
| } |
| compilerPool.stopRequest(); |
| long duration = System.currentTimeMillis()-start; |
| javacServer.addBuildTime(duration); |
| float classpersec = ((float)numClasses)*(((float)1000.0)/((float)duration)); |
| javacServer.log(id+" <"+thisRequest+"> "+compiledPkgs+" duration " + duration+ " ms num_classes="+numClasses+ |
| " classpersec="+classpersec+" subtasks="+subTasks.size()); |
| javacServer.flushLog(); |
| unuse(); |
| compilerPool.returnCompilerThread(this); |
| } |
| } |
| } |
| |