| /* |
| * |
| * Copyright 2014, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include <node.h> |
| |
| #include "grpc/grpc.h" |
| #include "grpc/support/time.h" |
| #include "byte_buffer.h" |
| #include "call.h" |
| #include "channel.h" |
| #include "completion_queue_async_worker.h" |
| #include "timeval.h" |
| #include "tag.h" |
| |
| namespace grpc { |
| namespace node { |
| |
| using ::node::Buffer; |
| using v8::Arguments; |
| using v8::Array; |
| using v8::Exception; |
| using v8::External; |
| using v8::Function; |
| using v8::FunctionTemplate; |
| using v8::Handle; |
| using v8::HandleScope; |
| using v8::Integer; |
| using v8::Local; |
| using v8::Number; |
| using v8::Object; |
| using v8::ObjectTemplate; |
| using v8::Persistent; |
| using v8::Uint32; |
| using v8::String; |
| using v8::Value; |
| |
| Persistent<Function> Call::constructor; |
| Persistent<FunctionTemplate> Call::fun_tpl; |
| |
| Call::Call(grpc_call *call) : wrapped_call(call) { |
| } |
| |
| Call::~Call() { |
| grpc_call_destroy(wrapped_call); |
| } |
| |
| void Call::Init(Handle<Object> exports) { |
| NanScope(); |
| Local<FunctionTemplate> tpl = FunctionTemplate::New(New); |
| tpl->SetClassName(NanNew("Call")); |
| tpl->InstanceTemplate()->SetInternalFieldCount(1); |
| NanSetPrototypeTemplate(tpl, "addMetadata", |
| FunctionTemplate::New(AddMetadata)->GetFunction()); |
| NanSetPrototypeTemplate(tpl, "startInvoke", |
| FunctionTemplate::New(StartInvoke)->GetFunction()); |
| NanSetPrototypeTemplate(tpl, "serverAccept", |
| FunctionTemplate::New(ServerAccept)->GetFunction()); |
| NanSetPrototypeTemplate( |
| tpl, |
| "serverEndInitialMetadata", |
| FunctionTemplate::New(ServerEndInitialMetadata)->GetFunction()); |
| NanSetPrototypeTemplate(tpl, "cancel", |
| FunctionTemplate::New(Cancel)->GetFunction()); |
| NanSetPrototypeTemplate(tpl, "startWrite", |
| FunctionTemplate::New(StartWrite)->GetFunction()); |
| NanSetPrototypeTemplate( |
| tpl, "startWriteStatus", |
| FunctionTemplate::New(StartWriteStatus)->GetFunction()); |
| NanSetPrototypeTemplate(tpl, "writesDone", |
| FunctionTemplate::New(WritesDone)->GetFunction()); |
| NanSetPrototypeTemplate(tpl, "startReadMetadata", |
| FunctionTemplate::New(WritesDone)->GetFunction()); |
| NanSetPrototypeTemplate(tpl, "startRead", |
| FunctionTemplate::New(StartRead)->GetFunction()); |
| NanAssignPersistent(fun_tpl, tpl); |
| NanAssignPersistent(constructor, tpl->GetFunction()); |
| constructor->Set(NanNew("WRITE_BUFFER_HINT"), |
| NanNew<Uint32, uint32_t>(GRPC_WRITE_BUFFER_HINT)); |
| constructor->Set(NanNew("WRITE_NO_COMPRESS"), |
| NanNew<Uint32, uint32_t>(GRPC_WRITE_NO_COMPRESS)); |
| exports->Set(String::NewSymbol("Call"), constructor); |
| } |
| |
| bool Call::HasInstance(Handle<Value> val) { |
| NanScope(); |
| return NanHasInstance(fun_tpl, val); |
| } |
| |
| Handle<Value> Call::WrapStruct(grpc_call *call) { |
| NanEscapableScope(); |
| if (call == NULL) { |
| return NanEscapeScope(NanNull()); |
| } |
| const int argc = 1; |
| Handle<Value> argv[argc] = { External::New(reinterpret_cast<void*>(call)) }; |
| return NanEscapeScope(constructor->NewInstance(argc, argv)); |
| } |
| |
| NAN_METHOD(Call::New) { |
| NanScope(); |
| |
| if (args.IsConstructCall()) { |
| Call *call; |
| if (args[0]->IsExternal()) { |
| // This option is used for wrapping an existing call |
| grpc_call *call_value = reinterpret_cast<grpc_call*>( |
| External::Unwrap(args[0])); |
| call = new Call(call_value); |
| } else { |
| if (!Channel::HasInstance(args[0])) { |
| return NanThrowTypeError("Call's first argument must be a Channel"); |
| } |
| if (!args[1]->IsString()) { |
| return NanThrowTypeError("Call's second argument must be a string"); |
| } |
| if (!(args[2]->IsNumber() || args[2]->IsDate())) { |
| return NanThrowTypeError( |
| "Call's third argument must be a date or a number"); |
| } |
| Handle<Object> channel_object = args[0]->ToObject(); |
| Channel *channel = ObjectWrap::Unwrap<Channel>(channel_object); |
| if (channel->GetWrappedChannel() == NULL) { |
| return NanThrowError("Call cannot be created from a closed channel"); |
| } |
| NanUtf8String method(args[1]); |
| double deadline = args[2]->NumberValue(); |
| grpc_channel *wrapped_channel = channel->GetWrappedChannel(); |
| grpc_call *wrapped_call = grpc_channel_create_call( |
| wrapped_channel, |
| *method, |
| channel->GetHost(), |
| MillisecondsToTimespec(deadline)); |
| call = new Call(wrapped_call); |
| args.This()->SetHiddenValue(String::NewSymbol("channel_"), |
| channel_object); |
| } |
| call->Wrap(args.This()); |
| NanReturnValue(args.This()); |
| } else { |
| const int argc = 4; |
| Local<Value> argv[argc] = { args[0], args[1], args[2], args[3] }; |
| NanReturnValue(constructor->NewInstance(argc, argv)); |
| } |
| } |
| |
| NAN_METHOD(Call::AddMetadata) { |
| NanScope(); |
| if (!HasInstance(args.This())) { |
| return NanThrowTypeError( |
| "addMetadata can only be called on Call objects"); |
| } |
| Call *call = ObjectWrap::Unwrap<Call>(args.This()); |
| for (int i=0; !args[i]->IsUndefined(); i++) { |
| if (!args[i]->IsObject()) { |
| return NanThrowTypeError( |
| "addMetadata arguments must be objects with key and value"); |
| } |
| Handle<Object> item = args[i]->ToObject(); |
| Handle<Value> key = item->Get(NanNew("key")); |
| if (!key->IsString()) { |
| return NanThrowTypeError( |
| "objects passed to addMetadata must have key->string"); |
| } |
| Handle<Value> value = item->Get(NanNew("value")); |
| if (!Buffer::HasInstance(value)) { |
| return NanThrowTypeError( |
| "objects passed to addMetadata must have value->Buffer"); |
| } |
| grpc_metadata metadata; |
| NanUtf8String utf8_key(key); |
| metadata.key = *utf8_key; |
| metadata.value = Buffer::Data(value); |
| metadata.value_length = Buffer::Length(value); |
| grpc_call_error error = grpc_call_add_metadata(call->wrapped_call, |
| &metadata, |
| 0); |
| if (error != GRPC_CALL_OK) { |
| return NanThrowError("addMetadata failed", error); |
| } |
| } |
| NanReturnUndefined(); |
| } |
| |
| NAN_METHOD(Call::StartInvoke) { |
| NanScope(); |
| if (!HasInstance(args.This())) { |
| return NanThrowTypeError("startInvoke can only be called on Call objects"); |
| } |
| if (!args[0]->IsFunction()) { |
| return NanThrowTypeError( |
| "StartInvoke's first argument must be a function"); |
| } |
| if (!args[1]->IsFunction()) { |
| return NanThrowTypeError( |
| "StartInvoke's second argument must be a function"); |
| } |
| if (!args[2]->IsFunction()) { |
| return NanThrowTypeError( |
| "StartInvoke's third argument must be a function"); |
| } |
| if (!args[3]->IsUint32()) { |
| return NanThrowTypeError( |
| "StartInvoke's fourth argument must be integer flags"); |
| } |
| Call *call = ObjectWrap::Unwrap<Call>(args.This()); |
| unsigned int flags = args[3]->Uint32Value(); |
| grpc_call_error error = grpc_call_start_invoke( |
| call->wrapped_call, |
| CompletionQueueAsyncWorker::GetQueue(), |
| CreateTag(args[0], args.This()), |
| CreateTag(args[1], args.This()), |
| CreateTag(args[2], args.This()), |
| flags); |
| if (error == GRPC_CALL_OK) { |
| CompletionQueueAsyncWorker::Next(); |
| CompletionQueueAsyncWorker::Next(); |
| CompletionQueueAsyncWorker::Next(); |
| } else { |
| return NanThrowError("startInvoke failed", error); |
| } |
| NanReturnUndefined(); |
| } |
| |
| NAN_METHOD(Call::ServerAccept) { |
| NanScope(); |
| if (!HasInstance(args.This())) { |
| return NanThrowTypeError("accept can only be called on Call objects"); |
| } |
| if (!args[0]->IsFunction()) { |
| return NanThrowTypeError( |
| "accept's first argument must be a function"); |
| } |
| Call *call = ObjectWrap::Unwrap<Call>(args.This()); |
| grpc_call_error error = grpc_call_server_accept( |
| call->wrapped_call, |
| CompletionQueueAsyncWorker::GetQueue(), |
| CreateTag(args[0], args.This())); |
| if (error == GRPC_CALL_OK) { |
| CompletionQueueAsyncWorker::Next(); |
| } else { |
| return NanThrowError("serverAccept failed", error); |
| } |
| NanReturnUndefined(); |
| } |
| |
| NAN_METHOD(Call::ServerEndInitialMetadata) { |
| NanScope(); |
| if (!HasInstance(args.This())) { |
| return NanThrowTypeError( |
| "serverEndInitialMetadata can only be called on Call objects"); |
| } |
| if (!args[0]->IsUint32()) { |
| return NanThrowTypeError( |
| "serverEndInitialMetadata's second argument must be integer flags"); |
| } |
| Call *call = ObjectWrap::Unwrap<Call>(args.This()); |
| unsigned int flags = args[1]->Uint32Value(); |
| grpc_call_error error = grpc_call_server_end_initial_metadata( |
| call->wrapped_call, |
| flags); |
| if (error != GRPC_CALL_OK) { |
| return NanThrowError("serverEndInitialMetadata failed", error); |
| } |
| NanReturnUndefined(); |
| } |
| |
| NAN_METHOD(Call::Cancel) { |
| NanScope(); |
| if (!HasInstance(args.This())) { |
| return NanThrowTypeError("startInvoke can only be called on Call objects"); |
| } |
| Call *call = ObjectWrap::Unwrap<Call>(args.This()); |
| grpc_call_error error = grpc_call_cancel(call->wrapped_call); |
| if (error != GRPC_CALL_OK) { |
| return NanThrowError("cancel failed", error); |
| } |
| NanReturnUndefined(); |
| } |
| |
| NAN_METHOD(Call::StartWrite) { |
| NanScope(); |
| if (!HasInstance(args.This())) { |
| return NanThrowTypeError("startWrite can only be called on Call objects"); |
| } |
| if (!Buffer::HasInstance(args[0])) { |
| return NanThrowTypeError( |
| "startWrite's first argument must be a Buffer"); |
| } |
| if (!args[1]->IsFunction()) { |
| return NanThrowTypeError( |
| "startWrite's second argument must be a function"); |
| } |
| if (!args[2]->IsUint32()) { |
| return NanThrowTypeError( |
| "startWrite's third argument must be integer flags"); |
| } |
| Call *call = ObjectWrap::Unwrap<Call>(args.This()); |
| grpc_byte_buffer *buffer = BufferToByteBuffer(args[0]); |
| unsigned int flags = args[2]->Uint32Value(); |
| grpc_call_error error = grpc_call_start_write(call->wrapped_call, |
| buffer, |
| CreateTag(args[1], args.This()), |
| flags); |
| if (error == GRPC_CALL_OK) { |
| CompletionQueueAsyncWorker::Next(); |
| } else { |
| return NanThrowError("startWrite failed", error); |
| } |
| NanReturnUndefined(); |
| } |
| |
| NAN_METHOD(Call::StartWriteStatus) { |
| NanScope(); |
| if (!HasInstance(args.This())) { |
| return NanThrowTypeError( |
| "startWriteStatus can only be called on Call objects"); |
| } |
| if (!args[0]->IsUint32()) { |
| return NanThrowTypeError( |
| "startWriteStatus's first argument must be a status code"); |
| } |
| if (!args[1]->IsString()) { |
| return NanThrowTypeError( |
| "startWriteStatus's second argument must be a string"); |
| } |
| if (!args[2]->IsFunction()) { |
| return NanThrowTypeError( |
| "startWriteStatus's third argument must be a function"); |
| } |
| Call *call = ObjectWrap::Unwrap<Call>(args.This()); |
| NanUtf8String details(args[1]); |
| grpc_call_error error = grpc_call_start_write_status( |
| call->wrapped_call, |
| (grpc_status_code)args[0]->Uint32Value(), |
| *details, |
| CreateTag(args[2], args.This())); |
| if (error == GRPC_CALL_OK) { |
| CompletionQueueAsyncWorker::Next(); |
| } else { |
| return NanThrowError("startWriteStatus failed", error); |
| } |
| NanReturnUndefined(); |
| } |
| |
| NAN_METHOD(Call::WritesDone) { |
| NanScope(); |
| if (!HasInstance(args.This())) { |
| return NanThrowTypeError("writesDone can only be called on Call objects"); |
| } |
| if (!args[0]->IsFunction()) { |
| return NanThrowTypeError( |
| "writesDone's first argument must be a function"); |
| } |
| Call *call = ObjectWrap::Unwrap<Call>(args.This()); |
| grpc_call_error error = grpc_call_writes_done( |
| call->wrapped_call, |
| CreateTag(args[0], args.This())); |
| if (error == GRPC_CALL_OK) { |
| CompletionQueueAsyncWorker::Next(); |
| } else { |
| return NanThrowError("writesDone failed", error); |
| } |
| NanReturnUndefined(); |
| } |
| |
| NAN_METHOD(Call::StartRead) { |
| NanScope(); |
| if (!HasInstance(args.This())) { |
| return NanThrowTypeError("startRead can only be called on Call objects"); |
| } |
| if (!args[0]->IsFunction()) { |
| return NanThrowTypeError( |
| "startRead's first argument must be a function"); |
| } |
| Call *call = ObjectWrap::Unwrap<Call>(args.This()); |
| grpc_call_error error = grpc_call_start_read(call->wrapped_call, |
| CreateTag(args[0], args.This())); |
| if (error == GRPC_CALL_OK) { |
| CompletionQueueAsyncWorker::Next(); |
| } else { |
| return NanThrowError("startRead failed", error); |
| } |
| NanReturnUndefined(); |
| } |
| |
| } // namespace node |
| } // namespace grpc |