[refactor] call-site-ize SSLSocket as #initialize gets hit a lot

Author: kares

src/main/java/org/jruby/ext/openssl/SSLSocket.java

@@ -48,26 +48,15 @@
 import javax.net.ssl.SSLHandshakeException;
 import javax.net.ssl.SSLPeerUnverifiedException;
 
-import org.jruby.Ruby;
-import org.jruby.RubyArray;
-import org.jruby.RubyClass;
-import org.jruby.RubyHash;
-import org.jruby.RubyIO;
-import org.jruby.RubyModule;
-import org.jruby.RubyNumeric;
-import org.jruby.RubyObject;
-import org.jruby.RubyString;
-import org.jruby.RubyThread;
+import org.jruby.*;
 import org.jruby.anno.JRubyMethod;
 import org.jruby.exceptions.RaiseException;
 import org.jruby.ext.openssl.x509store.X509Utils;
-import org.jruby.runtime.Arity;
-import org.jruby.runtime.Block;
-import org.jruby.runtime.ObjectAllocator;
-import org.jruby.runtime.ThreadContext;
+import org.jruby.runtime.*;
 import org.jruby.runtime.builtin.IRubyObject;
+import org.jruby.runtime.callsite.FunctionalCachingCallSite;
+import org.jruby.runtime.callsite.RespondToCallSite;
 import org.jruby.util.ByteList;
-import org.jruby.runtime.Visibility;
 
 import static org.jruby.ext.openssl.SSL.newSSLErrorWaitReadable;
 import static org.jruby.ext.openssl.SSL.newSSLErrorWaitWritable;
@@ -86,12 +75,45 @@ public IRubyObject allocate(Ruby runtime, RubyClass klass) {
         }
     };
 
+    private enum CallSiteIndex {
+
+        // self
+        hostname("hostname"),
+        //sync_close("sync_close"),
+        //sync_close_w("sync_close="),
+        // io
+        _respond_to_nonblock_w("nonblock="),
+        nonblock_w("nonblock="),
+        sync("sync"),
+        sync_w("sync="),
+        flush("flush"),
+        close("close"),
+        closed_p("closed?"),
+        // ssl_context
+        verify_mode("verify_mode");
+
+        final String method;
+
+        CallSiteIndex(String method) { this.method = method; }
+
+    }
+
     public static void createSSLSocket(final Ruby runtime, final RubyModule SSL) { // OpenSSL::SSL
+        CallSiteIndex[] values = CallSiteIndex.values();
+        CallSite[] extraCallSites = new CallSite[values.length];
+        for (int i=0; i<values.length; i++) {
+            if (values[i].name().startsWith("_respond_to")) {
+                extraCallSites[i] = new RespondToCallSite();
+            }
+            else {
+                extraCallSites[i] = new FunctionalCachingCallSite(values[i].method);
+            }
+        }
+
+        RubyClass SSLSocket = runtime.defineClassUnder("SSLSocket", runtime.getObject(), ALLOCATOR, SSL, extraCallSites);
+
         final ThreadContext context = runtime.getCurrentContext();
-        RubyClass SSLSocket = SSL.defineClassUnder("SSLSocket", runtime.getObject(), ALLOCATOR);
-        // SSLSocket.addReadAttribute(context, "io");
-        // SSLSocket.defineAlias("to_io", "io");
-        // SSLSocket.addReadAttribute(context, "context");
+
         SSLSocket.addReadWriteAttribute(context, "sync_close");
         SSLSocket.addReadWriteAttribute(context, "hostname");
         SSLSocket.defineAnnotatedMethods(SSLSocket.class);
@@ -123,6 +145,10 @@ private static RaiseException newSSLErrorFromHandshake(Ruby runtime, SSLHandshak
         return SSL.newSSLError(runtime, cause);
     }
 
+    private CallSite callSite(final CallSiteIndex index) {
+        return getMetaClass().getExtraCallSites()[ index.ordinal() ];
+    }
+
     private SSLContext sslContext;
     private SSLEngine engine;
     private RubyIO io;
@@ -152,29 +178,36 @@ public IRubyObject initialize(final ThreadContext context, final IRubyObject[] a
         if ( ! ( args[0] instanceof RubyIO ) ) {
             throw runtime.newTypeError("IO expected but got " + args[0].getMetaClass().getName());
         }
-        setInstanceVariable("@io", this.io = (RubyIO) args[0]); // compat (we do not read @io)
-        // Ruby 2.3 : @io.nonblock = true if @io.respond_to?(:nonblock=)
-        if (io.respondsTo("nonblock=")) {
-            io.callMethod(context, "nonblock=", runtime.getTrue());
-        }
         setInstanceVariable("@context", this.sslContext); // only compat (we do not use @context)
+        setInstanceVariable("@io", this.io = (RubyIO) args[0]);
+        set_io_nonblock_checked(context, runtime.getTrue());
         // This is a bit of a hack: SSLSocket should share code with
         // RubyBasicSocket, which always sets sync to true.
         // Instead we set it here for now.
-        this.set_sync(context, runtime.getTrue()); // io.sync = true
-        this.callMethod(context, "sync_close=", runtime.getFalse());
+        set_sync(context, runtime.getTrue()); // io.sync = true
+        setInstanceVariable("@sync_close", runtime.getFalse()); // self.sync_close = false
         sslContext.setup(context);
         return Utils.invokeSuper(context, this, args, Block.NULL_BLOCK); // super()
     }
 
+    private IRubyObject set_io_nonblock_checked(final ThreadContext context, RubyBoolean value) {
+        // @io.nonblock = true if @io.respond_to?(:nonblock=)
+        IRubyObject respond = callSite(CallSiteIndex._respond_to_nonblock_w).call(context, io, io, context.runtime.newSymbol("nonblock="));
+        if (respond.isTrue()) {
+            return callSite(CallSiteIndex.nonblock_w).call(context, io, io, value);
+        }
+        return context.nil;
+    }
+
     private SSLEngine ossl_ssl_setup(final ThreadContext context)
         throws NoSuchAlgorithmException, KeyManagementException {
         SSLEngine engine = this.engine;
         if ( engine != null ) return engine;
 
         // Server Name Indication (SNI) RFC 3546
         // SNI support will not be attempted unless hostname is explicitly set by the caller
-        String peerHost = this.callMethod(context, "hostname").toString();
+        IRubyObject hostname = callSite(CallSiteIndex.hostname).call(context, this, this); // self.hostname
+        String peerHost = hostname.toString();
         final int peerPort = socketChannelImpl().getRemotePort();
         engine = sslContext.createSSLEngine(peerHost, peerPort);
 
@@ -199,12 +232,12 @@ private SSLEngine ossl_ssl_setup(final ThreadContext context)
 
     @JRubyMethod(name = "sync")
     public IRubyObject sync(final ThreadContext context) {
-        return this.io.callMethod(context, "sync");
+        return callSite(CallSiteIndex.sync).call(context, io, io); // io.sync
     }
 
     @JRubyMethod(name = "sync=")
     public IRubyObject set_sync(final ThreadContext context, final IRubyObject sync) {
-        return this.io.callMethod(context, "sync=", sync);
+        return callSite(CallSiteIndex.sync_w).call(context, io, io, sync); // io.sync = sync
     }
 
     @JRubyMethod
@@ -302,8 +335,8 @@ private IRubyObject acceptImpl(final ThreadContext context, final boolean blocki
             if ( ! initialHandshake ) {
                 final SSLEngine engine = ossl_ssl_setup(context);
                 engine.setUseClientMode(false);
-                final IRubyObject verify_mode = sslContext.callMethod(context, "verify_mode");
-                if ( ! verify_mode.isNil() ) {
+                final IRubyObject verify_mode = callSite(CallSiteIndex.verify_mode).call(context, sslContext, sslContext);
+                if ( verify_mode != context.nil ) {
                     final int verify = RubyNumeric.fix2int(verify_mode);
                     if ( verify == 0 ) { // VERIFY_NONE
                         engine.setNeedClientAuth(false);
@@ -863,7 +896,7 @@ private IRubyObject syswriteImpl(final ThreadContext context,
                 written = write(buff, blocking);
             }
 
-            this.io.callMethod(context, "flush");
+            callSite(CallSiteIndex.flush).call(context, io, io); // io.flush
 
             return runtime.newFixnum(written);
         }
@@ -931,17 +964,22 @@ private void close(boolean force)  {
 
     @JRubyMethod
     public IRubyObject sysclose(final ThreadContext context) {
-        //if ( isClosed() ) return context.runtime.getNil();
-        if ( this.io.callMethod(context, "closed?").isTrue() ) {
-            return context.runtime.getNil();
-        } // Ruby 2.3
+        if ( io_closed_p(context).isTrue() ) return context.nil;
+
         // no need to try shutdown when it's a server
         close( sslContext.isProtocolForClient() );
 
-        if ( this.callMethod(context, "sync_close").isTrue() ) {
-            return this.io.callMethod(context, "close");
-        }
-        return context.runtime.getNil();
+        if ( getInstanceVariable("@sync_close").isTrue() ) return io_close(context);
+
+        return context.nil;
+    }
+
+    private IRubyObject io_closed_p(final ThreadContext context) { // io.closed?
+        return callSite(CallSiteIndex.closed_p).call(context, io, io);
+    }
+
+    private IRubyObject io_close(final ThreadContext context) { // io.close
+        return callSite(CallSiteIndex.close).call(context, io, io);
     }
 
     @JRubyMethod

src/test/ruby/ssl/test_socket.rb

@@ -18,12 +18,12 @@ def test_attr_methods
 
     assert socket.io
     assert_equal socket.io, socket.to_io
-    assert ! socket.respond_to?(:'io=')
+    assert ! socket.respond_to?('io=')
     # due compatibility :
     assert_equal socket.io, socket.instance_variable_get(:@io)
 
     assert socket.context
-    assert ! socket.respond_to?(:'context=')
+    assert ! socket.respond_to?('context=')
     # due compatibility :
     assert_equal socket.context, socket.instance_variable_get(:@context)