| /** |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <v8.h> |
| #include <telephony/ril.h> |
| |
| #include "ctrl_server.h" |
| #include "logging.h" |
| #include "node_buffer.h" |
| #include "node_object_wrap.h" |
| #include "node_util.h" |
| #include "protobuf_v8.h" |
| #include "responses.h" |
| #include "status.h" |
| #include "util.h" |
| #include "worker.h" |
| #include "worker_v8.h" |
| |
| #include "js_support.h" |
| |
| //#define JS_SUPPORT_DEBUG |
| #ifdef JS_SUPPORT_DEBUG |
| |
| #define DBG(...) LOGD(__VA_ARGS__) |
| |
| #else |
| |
| #define DBG(...) |
| |
| #endif |
| |
| /** |
| * Current Radio state |
| */ |
| RIL_RadioState gRadioState = RADIO_STATE_UNAVAILABLE; |
| |
| v8::Handle<v8::Value> RadioStateGetter(v8::Local<v8::String> property, |
| const v8::AccessorInfo& info) { |
| return v8::Integer::New((int)gRadioState); |
| } |
| |
| void RadioStateSetter(v8::Local<v8::String> property, |
| v8::Local<v8::Value> value, const v8::AccessorInfo& info) { |
| gRadioState = RIL_RadioState(value->Int32Value()); |
| } |
| |
| // A javascript sleep for a number of milli-seconds |
| v8::Handle<v8::Value> MsSleep(const v8::Arguments& args) { |
| if (args.Length() != 1) { |
| DBG("MsSleep: expecting milli-seconds to sleep"); |
| } else { |
| v8::Handle<v8::Value> v8MsValue(args[0]->ToObject()); |
| int ms = int(v8MsValue->NumberValue()); |
| v8::Unlocker unlocker; |
| usleep(ms * 1000); |
| v8::Locker locker; |
| } |
| return v8::Undefined(); |
| } |
| |
| // A javascript print function |
| v8::Handle<v8::Value> Print(const v8::Arguments& args) { |
| bool first = true; |
| const int str_size = 1000; |
| char* str = new char[str_size]; |
| int offset = 0; |
| for (int i = 0; i < args.Length(); i++) { |
| v8::HandleScope handle_scope; |
| if (first) { |
| first = false; |
| } else { |
| offset += snprintf(&str[offset], str_size, " "); |
| } |
| v8::String::Utf8Value strUtf8(args[i]); |
| const char* cstr = ToCString(strUtf8); |
| offset += snprintf(&str[offset], str_size, "%s", cstr); |
| } |
| LOGD("%s", str); |
| delete [] str; |
| return v8::Undefined(); |
| } |
| |
| int ReadFile(const char *fileName, char** data, size_t *length) { |
| int status; |
| char* buffer = NULL; |
| size_t fileLength = 0; |
| FILE *f; |
| |
| DBG("ReadFile E fileName=%s", fileName); |
| |
| f = fopen(fileName, "rb"); |
| if (f == NULL) { |
| DBG("Could not fopen '%s'", fileName); |
| status = STATUS_COULD_NOT_OPEN_FILE; |
| } else { |
| // Determine the length of the file |
| fseek(f, 0, SEEK_END); |
| fileLength = ftell(f); |
| DBG("fileLength=%d", fileLength); |
| rewind(f); |
| |
| // Read file into a buffer |
| buffer = new char[fileLength+1]; |
| size_t readLength = fread(buffer, 1, fileLength, f); |
| if (readLength != fileLength) { |
| DBG("Couldn't read entire file"); |
| delete [] buffer; |
| buffer = NULL; |
| status = STATUS_COULD_NOT_READ_FILE; |
| } else { |
| DBG("File read"); |
| buffer[fileLength] = 0; |
| status = STATUS_OK; |
| } |
| fclose(f); |
| } |
| |
| if (length != NULL) { |
| *length = fileLength; |
| } |
| *data = buffer; |
| DBG("ReadFile X status=%d", status); |
| return status; |
| } |
| |
| char *CreateFileName(const v8::Arguments& args) { |
| v8::String::Utf8Value fileNameUtf8Value(args[0]); |
| const char* fileName = ToCString(fileNameUtf8Value); |
| const char* directory = "/sdcard/data/"; |
| |
| int fullPathLength = strlen(directory) + strlen(fileName) + 1; |
| char * fullPath = new char[fullPathLength]; |
| strncpy(fullPath, directory, fullPathLength); |
| strncat(fullPath, fileName, fullPathLength); |
| return fullPath; |
| } |
| |
| // A javascript read file function arg[0] = filename |
| v8::Handle<v8::Value> ReadFileToString(const v8::Arguments& args) { |
| DBG("ReadFileToString E"); |
| v8::HandleScope handle_scope; |
| v8::Handle<v8::Value> retValue; |
| |
| if (args.Length() < 1) { |
| // No file name return Undefined |
| DBG("ReadFile X no argumens"); |
| return v8::Undefined(); |
| } else { |
| char *fileName = CreateFileName(args); |
| |
| char *buffer; |
| int status = ReadFile(fileName, &buffer); |
| if (status == 0) { |
| retValue = v8::String::New(buffer); |
| } else { |
| retValue = v8::Undefined(); |
| } |
| } |
| DBG("ReadFileToString X"); |
| return retValue; |
| } |
| |
| // A javascript read file function arg[0] = filename |
| v8::Handle<v8::Value> ReadFileToBuffer(const v8::Arguments& args) { |
| DBG("ReadFileToBuffer E"); |
| v8::HandleScope handle_scope; |
| v8::Handle<v8::Value> retValue; |
| |
| if (args.Length() < 1) { |
| // No file name return Undefined |
| DBG("ReadFileToBuffer X no argumens"); |
| return v8::Undefined(); |
| } else { |
| char *fileName = CreateFileName(args); |
| |
| char *buffer; |
| size_t length; |
| int status = ReadFile(fileName, &buffer, &length); |
| if (status == 0) { |
| Buffer *buf = Buffer::New(length); |
| memmove(buf->data(), buffer, length); |
| retValue = buf->handle_; |
| } else { |
| retValue = v8::Undefined(); |
| } |
| } |
| DBG("ReadFileToBuffer X"); |
| return retValue; |
| } |
| |
| void ErrorCallback(v8::Handle<v8::Message> message, |
| v8::Handle<v8::Value> data) { |
| LogErrorMessage(message, ""); |
| } |
| |
| // Read, compile and run a javascript file |
| v8::Handle<v8::Value> Include(const v8::Arguments& args) { |
| DBG("Include E"); |
| v8::HandleScope handle_scope; |
| v8::Handle<v8::Value> retValue; |
| v8::TryCatch try_catch; |
| try_catch.SetVerbose(true); |
| |
| if (args.Length() < 1) { |
| // No file name return Undefined |
| DBG("Include X no argumens"); |
| return v8::Undefined(); |
| } else { |
| char *fileName = CreateFileName(args); |
| |
| char *buffer; |
| int status = ReadFile(fileName, &buffer); |
| if (status == 0) { |
| runJs(v8::Context::GetCurrent(), &try_catch, fileName, buffer); |
| } else { |
| retValue = v8::Undefined(); |
| } |
| } |
| DBG("Include X"); |
| return retValue; |
| } |
| |
| |
| /** |
| * Create a JsContext, must be called within a HandleScope? |
| */ |
| v8::Persistent<v8::Context> makeJsContext() { |
| v8::HandleScope handle_scope; |
| v8::TryCatch try_catch; |
| |
| // Add a Message listner to Catch errors as they occur |
| v8::V8::AddMessageListener(ErrorCallback); |
| |
| // Create a template for the global object and |
| // add the function template for print to it. |
| v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(); |
| global->SetAccessor(v8::String::New("gRadioState"), |
| RadioStateGetter, RadioStateSetter); |
| global->Set(v8::String::New("msSleep"), v8::FunctionTemplate::New(MsSleep)); |
| global->Set(v8::String::New("print"), v8::FunctionTemplate::New(Print)); |
| global->Set(v8::String::New("readFileToBuffer"), |
| v8::FunctionTemplate::New(ReadFileToBuffer)); |
| global->Set(v8::String::New("readFileToString"), |
| v8::FunctionTemplate::New(ReadFileToString)); |
| global->Set(v8::String::New("sendRilRequestComplete"), |
| v8::FunctionTemplate::New(SendRilRequestComplete)); |
| global->Set(v8::String::New("sendRilUnsolicitedResponse"), |
| v8::FunctionTemplate::New(SendRilUnsolicitedResponse)); |
| global->Set(v8::String::New("sendCtrlRequestComplete"), |
| v8::FunctionTemplate::New(SendCtrlRequestComplete)); |
| global->Set(v8::String::New("include"), v8::FunctionTemplate::New(Include)); |
| WorkerV8ObjectTemplateInit(global); |
| SchemaObjectTemplateInit(global); |
| Buffer::InitializeObjectTemplate(global); |
| |
| // Create context with our globals and make it the current scope |
| v8::Persistent<v8::Context> context = v8::Context::New(NULL, global); |
| |
| |
| if (try_catch.HasCaught()) { |
| DBG("makeJsContext: Exception making the context"); |
| ReportException(&try_catch); |
| try_catch.ReThrow(); |
| } |
| |
| return context; |
| } |
| |
| /** |
| * Run some javascript code. |
| */ |
| void runJs(v8::Handle<v8::Context> context, v8::TryCatch *try_catch, |
| const char *fileName, const char *code) { |
| v8::HandleScope handle_scope; |
| |
| // Compile the source |
| v8::Handle<v8::Script> script = v8::Script::Compile( |
| v8::String::New(code), v8::String::New(fileName)); |
| if (try_catch->HasCaught()) { |
| LOGE("-- Compiling the source failed"); |
| } else { |
| // Run the resulting script |
| v8::Handle<v8::Value> result = script->Run(); |
| if (try_catch->HasCaught()) { |
| LOGE("-- Running the script failed"); |
| } |
| } |
| } |
| |
| void testRadioState(v8::Handle<v8::Context> context) { |
| LOGD("testRadioState E:"); |
| v8::HandleScope handle_scope; |
| |
| v8::TryCatch try_catch; |
| try_catch.SetVerbose(true); |
| |
| runJs(context, &try_catch, "local-string", |
| "for(i = 0; i < 10; i++) {\n" |
| " gRadioState = i;\n" |
| " print('gRadioState=' + gRadioState);\n" |
| "}\n" |
| "gRadioState = 1;\n" |
| "print('last gRadioState=' + gRadioState);\n"); |
| LOGD("testRadioState X:"); |
| } |
| |
| void testMsSleep(v8::Handle<v8::Context> context) { |
| LOGD("testMsSleep E:"); |
| v8::HandleScope handle_scope; |
| |
| v8::TryCatch try_catch; |
| try_catch.SetVerbose(true); |
| |
| runJs(context, &try_catch, "local-string", |
| "for(i = 0; i < 10; i++) {\n" |
| " sleeptime = i * 200\n" |
| " print('msSleep ' + sleeptime);\n" |
| " msSleep(sleeptime);\n" |
| "}\n"); |
| LOGD("testMsSleep X:"); |
| } |
| |
| void testPrint(v8::Handle<v8::Context> context) { |
| LOGD("testPrint E:"); |
| v8::HandleScope handle_scope; |
| |
| v8::TryCatch try_catch; |
| try_catch.SetVerbose(true); |
| |
| runJs(context, &try_catch, "local-string", "print(\"Hello\")"); |
| LOGD("testPrint X:"); |
| } |
| |
| void testCompileError(v8::Handle<v8::Context> context) { |
| LOGD("testCompileError E:"); |
| v8::HandleScope handle_scope; |
| |
| v8::TryCatch try_catch; |
| try_catch.SetVerbose(true); |
| |
| // +++ generate a compile time error |
| runJs(context, &try_catch, "local-string", "+++"); |
| LOGD("testCompileError X:"); |
| } |
| |
| void testRuntimeError(v8::Handle<v8::Context> context) { |
| LOGD("testRuntimeError E:"); |
| v8::HandleScope handle_scope; |
| |
| v8::TryCatch try_catch; |
| try_catch.SetVerbose(true); |
| |
| // Runtime error |
| runJs(context, &try_catch, "local-string", |
| "function hello() {\n" |
| " print(\"Hi there\");\n" |
| "}\n" |
| "helloo()"); |
| LOGD("testRuntimeError X:"); |
| } |
| |
| void testReadFile() { |
| char *buffer; |
| size_t length; |
| int status; |
| |
| LOGD("testReadFile E:"); |
| |
| status = ReadFile("/sdcard/data/no-file", &buffer, &length); |
| LOGD("testReadFile expect status != 0, status=%d, buffer=%p, length=%d", |
| status, buffer, length); |
| |
| LOGD("testReadFile X:"); |
| } |
| |
| |
| void testReadFileToStringBuffer(v8::Handle<v8::Context> context) { |
| LOGD("testReadFileToStringBuffer E:"); |
| v8::HandleScope handle_scope; |
| |
| v8::TryCatch try_catch; |
| try_catch.SetVerbose(true); |
| |
| runJs(context, &try_catch, "local-string", |
| "fileContents = readFileToString(\"mock_ril.js\");\n" |
| "print(\"fileContents:\\n\" + fileContents);\n" |
| "buffer = readFileToBuffer(\"ril.desc\");\n" |
| "print(\"buffer.length=\" + buffer.length);\n"); |
| LOGD("testReadFileToStringBuffer X:"); |
| } |
| |
| void testJsSupport(v8::Handle<v8::Context> context) { |
| LOGD("testJsSupport E: ********"); |
| testRadioState(context); |
| testMsSleep(context); |
| testPrint(context); |
| testCompileError(context); |
| testRuntimeError(context); |
| testReadFile(); |
| testReadFileToStringBuffer(context); |
| LOGD("testJsSupport X: ********\n"); |
| } |