Extract common code, add host IP to --debug and --enable-vm-service options

dart/runtime/bin/vmservice_impl.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "bin/vmservice_impl.h"
 
 #include "include/dart_api.h"
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
@@ skipping 70 matching lines @@
   static ResourcesEntry* ResourcesTable() {
     return &__service_bin_resources_[0];
   }
 
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(Resources);
 };
 
 const char* VmService::error_msg_ = NULL;
 
-bool VmService::Start(intptr_t server_port) {
-  bool r = _Start(server_port);
+bool VmService::Start(const char *server_ip, intptr_t server_port) {
+  bool r = _Start(server_ip, server_port);
   if (!r) {
     return r;
   }
   // Start processing messages in a new thread.
   dart::Thread::Start(ThreadMain, NULL);
   return true;
 }
 
 
-bool VmService::_Start(intptr_t server_port) {
+bool VmService::_Start(const char *server_ip, intptr_t server_port) {
   ASSERT(Dart_CurrentIsolate() == NULL);
   Dart_Isolate isolate = Dart_GetServiceIsolate(NULL);
   if (isolate == NULL) {
     error_msg_ = "Internal error.";
     return false;
   }
   Dart_EnterIsolate(isolate);
   Dart_EnterScope();
   // Install our own library tag handler.
   Dart_SetLibraryTagHandler(LibraryTagHandler);
   Dart_Handle result;
   Dart_Handle library = LoadScript(kVMServiceIOLibraryScriptResourceName);
   // Expect a library.
   ASSERT(library != Dart_Null());
   SHUTDOWN_ON_ERROR(library);
   Dart_ExitScope();
   Dart_ExitIsolate();
   bool retval = Dart_IsolateMakeRunnable(isolate);
   if (!retval) {
     Dart_EnterIsolate(isolate);
     Dart_ShutdownIsolate();
     error_msg_ = "Invalid isolate state - Unable to make it runnable.";
     return false;
   }
 
   Dart_EnterIsolate(isolate);
   Dart_EnterScope();
   library = Dart_RootLibrary();
   // Set requested TCP port.
+  DartUtils::SetStringField(library, "_ip", server_ip);
   DartUtils::SetIntegerField(library, "_port", server_port);
   result = Dart_Invoke(library, DartUtils::NewString("main"), 0, NULL);
   SHUTDOWN_ON_ERROR(result);
   // Load resources.
   result = LoadResources(library);
   SHUTDOWN_ON_ERROR(result);
 
   Dart_ExitScope();
   Dart_ExitIsolate();
 
@@ skipping 134 matching lines @@
     printf("Service exited with an error:\n%s\n", Dart_GetError(result));
   }
   Dart_ExitScope();
   Dart_ExitIsolate();
 }
 
 
 
 }  // namespace bin
 }  // namespace dart