| /* |
| * |
| * Copyright 2015, 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 <memory> |
| |
| #include "server.h" |
| |
| #include <nan.h> |
| #include <node.h> |
| |
| #include <vector> |
| #include "call.h" |
| #include "completion_queue.h" |
| #include "completion_queue_async_worker.h" |
| #include "grpc/grpc.h" |
| #include "grpc/grpc_security.h" |
| #include "grpc/support/log.h" |
| #include "server_credentials.h" |
| #include "slice.h" |
| #include "timeval.h" |
| |
| namespace grpc { |
| namespace node { |
| |
| using Nan::Callback; |
| using Nan::EscapableHandleScope; |
| using Nan::HandleScope; |
| using Nan::Maybe; |
| using Nan::MaybeLocal; |
| using Nan::ObjectWrap; |
| using Nan::Persistent; |
| using Nan::Utf8String; |
| |
| using std::unique_ptr; |
| using v8::Array; |
| using v8::Boolean; |
| using v8::Date; |
| using v8::Exception; |
| using v8::External; |
| using v8::Function; |
| using v8::FunctionTemplate; |
| using v8::Local; |
| using v8::Number; |
| using v8::Object; |
| using v8::String; |
| using v8::Value; |
| |
| Nan::Callback *Server::constructor; |
| Persistent<FunctionTemplate> Server::fun_tpl; |
| |
| class NewCallOp : public Op { |
| public: |
| NewCallOp() { |
| call = NULL; |
| grpc_call_details_init(&details); |
| grpc_metadata_array_init(&request_metadata); |
| } |
| |
| ~NewCallOp() { |
| grpc_call_details_destroy(&details); |
| grpc_metadata_array_destroy(&request_metadata); |
| } |
| |
| Local<Value> GetNodeValue() const { |
| Nan::EscapableHandleScope scope; |
| if (call == NULL) { |
| return scope.Escape(Nan::Null()); |
| } |
| Local<Object> obj = Nan::New<Object>(); |
| Nan::Set(obj, Nan::New("call").ToLocalChecked(), Call::WrapStruct(call)); |
| // TODO(murgatroid99): Use zero-copy string construction instead |
| Nan::Set(obj, Nan::New("method").ToLocalChecked(), |
| CopyStringFromSlice(details.method)); |
| Nan::Set(obj, Nan::New("host").ToLocalChecked(), |
| CopyStringFromSlice(details.host)); |
| Nan::Set(obj, Nan::New("deadline").ToLocalChecked(), |
| Nan::New<Date>(TimespecToMilliseconds(details.deadline)) |
| .ToLocalChecked()); |
| Nan::Set(obj, Nan::New("metadata").ToLocalChecked(), |
| ParseMetadata(&request_metadata)); |
| return scope.Escape(obj); |
| } |
| |
| bool ParseOp(Local<Value> value, grpc_op *out) { |
| return true; |
| } |
| bool IsFinalOp() { |
| return false; |
| } |
| |
| grpc_call *call; |
| grpc_call_details details; |
| grpc_metadata_array request_metadata; |
| |
| protected: |
| std::string GetTypeString() const { return "new_call"; } |
| }; |
| |
| void Server::Init(Local<Object> exports) { |
| HandleScope scope; |
| Local<FunctionTemplate> tpl = Nan::New<FunctionTemplate>(New); |
| tpl->SetClassName(Nan::New("Server").ToLocalChecked()); |
| tpl->InstanceTemplate()->SetInternalFieldCount(1); |
| Nan::SetPrototypeMethod(tpl, "requestCall", RequestCall); |
| Nan::SetPrototypeMethod(tpl, "addHttp2Port", AddHttp2Port); |
| Nan::SetPrototypeMethod(tpl, "start", Start); |
| Nan::SetPrototypeMethod(tpl, "tryShutdown", TryShutdown); |
| Nan::SetPrototypeMethod(tpl, "forceShutdown", ForceShutdown); |
| fun_tpl.Reset(tpl); |
| Local<Function> ctr = Nan::GetFunction(tpl).ToLocalChecked(); |
| Nan::Set(exports, Nan::New("Server").ToLocalChecked(), ctr); |
| constructor = new Callback(ctr); |
| } |
| |
| bool Server::HasInstance(Local<Value> val) { |
| HandleScope scope; |
| return Nan::New(fun_tpl)->HasInstance(val); |
| } |
| |
| NAN_METHOD(Server::New) { |
| /* If this is not a constructor call, make a constructor call and return |
| the result */ |
| if (!info.IsConstructCall()) { |
| const int argc = 1; |
| Local<Value> argv[argc] = {info[0]}; |
| MaybeLocal<Object> maybe_instance = |
| Nan::NewInstance(constructor->GetFunction(), argc, argv); |
| if (maybe_instance.IsEmpty()) { |
| // There's probably a pending exception |
| return; |
| } else { |
| info.GetReturnValue().Set(maybe_instance.ToLocalChecked()); |
| return; |
| } |
| } |
| grpc_server *wrapped_server; |
| grpc_completion_queue *queue = GetCompletionQueue(); |
| grpc_channel_args *channel_args; |
| if (!ParseChannelArgs(info[0], &channel_args)) { |
| DeallocateChannelArgs(channel_args); |
| return Nan::ThrowTypeError( |
| "Server options must be an object with " |
| "string keys and integer or string values"); |
| } |
| wrapped_server = grpc_server_create(channel_args, NULL); |
| DeallocateChannelArgs(channel_args); |
| grpc_server_register_completion_queue(wrapped_server, queue, NULL); |
| Server *server = new Server(wrapped_server); |
| server->Wrap(info.This()); |
| info.GetReturnValue().Set(info.This()); |
| } |
| |
| NAN_METHOD(Server::RequestCall) { |
| if (!HasInstance(info.This())) { |
| return Nan::ThrowTypeError("requestCall can only be called on a Server"); |
| } |
| Server *server = ObjectWrap::Unwrap<Server>(info.This()); |
| NewCallOp *op = new NewCallOp(); |
| unique_ptr<OpVec> ops(new OpVec()); |
| ops->push_back(unique_ptr<Op>(op)); |
| grpc_call_error error = grpc_server_request_call( |
| server->wrapped_server, &op->call, &op->details, &op->request_metadata, |
| GetCompletionQueue(), |
| GetCompletionQueue(), |
| new struct tag(new Callback(info[0].As<Function>()), ops.release(), |
| NULL, Nan::Null())); |
| if (error != GRPC_CALL_OK) { |
| return Nan::ThrowError(nanErrorWithCode("requestCall failed", error)); |
| } |
| CompletionQueueNext(); |
| } |
| |
| NAN_METHOD(Server::AddHttp2Port) { |
| if (!HasInstance(info.This())) { |
| return Nan::ThrowTypeError("addHttp2Port can only be called on a Server"); |
| } |
| if (!info[0]->IsString()) { |
| return Nan::ThrowTypeError( |
| "addHttp2Port's first argument must be a String"); |
| } |
| if (!ServerCredentials::HasInstance(info[1])) { |
| return Nan::ThrowTypeError( |
| "addHttp2Port's second argument must be ServerCredentials"); |
| } |
| Server *server = ObjectWrap::Unwrap<Server>(info.This()); |
| ServerCredentials *creds_object = ObjectWrap::Unwrap<ServerCredentials>( |
| Nan::To<Object>(info[1]).ToLocalChecked()); |
| grpc_server_credentials *creds = creds_object->GetWrappedServerCredentials(); |
| int port; |
| if (creds == NULL) { |
| port = grpc_server_add_insecure_http2_port(server->wrapped_server, |
| *Utf8String(info[0])); |
| } else { |
| port = grpc_server_add_secure_http2_port(server->wrapped_server, |
| *Utf8String(info[0]), creds); |
| } |
| info.GetReturnValue().Set(Nan::New<Number>(port)); |
| } |
| |
| NAN_METHOD(Server::Start) { |
| Nan::HandleScope scope; |
| if (!HasInstance(info.This())) { |
| return Nan::ThrowTypeError("start can only be called on a Server"); |
| } |
| Server *server = ObjectWrap::Unwrap<Server>(info.This()); |
| grpc_server_start(server->wrapped_server); |
| } |
| |
| NAN_METHOD(Server::TryShutdown) { |
| Nan::HandleScope scope; |
| if (!HasInstance(info.This())) { |
| return Nan::ThrowTypeError("tryShutdown can only be called on a Server"); |
| } |
| Server *server = ObjectWrap::Unwrap<Server>(info.This()); |
| unique_ptr<OpVec> ops(new OpVec()); |
| grpc_server_shutdown_and_notify( |
| server->wrapped_server, GetCompletionQueue(), |
| new struct tag(new Nan::Callback(info[0].As<Function>()), ops.release(), |
| NULL, Nan::Null())); |
| CompletionQueueNext(); |
| } |
| |
| NAN_METHOD(Server::ForceShutdown) { |
| Nan::HandleScope scope; |
| if (!HasInstance(info.This())) { |
| return Nan::ThrowTypeError("forceShutdown can only be called on a Server"); |
| } |
| Server *server = ObjectWrap::Unwrap<Server>(info.This()); |
| server->ShutdownServer(); |
| } |
| |
| } // namespace node |
| } // namespace grpc |