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123 lines
3.8 KiB
123 lines
3.8 KiB
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SRC_STREAM_WRAP_H_
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#define SRC_STREAM_WRAP_H_
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#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#include "stream_base.h"
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#include "env.h"
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#include "handle_wrap.h"
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#include "string_bytes.h"
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#include "v8.h"
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namespace node {
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class LibuvStreamWrap : public HandleWrap, public StreamBase {
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public:
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static void Initialize(v8::Local<v8::Object> target,
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v8::Local<v8::Value> unused,
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v8::Local<v8::Context> context);
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int GetFD() override;
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void* Cast() override;
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bool IsAlive() override;
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bool IsClosing() override;
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bool IsIPCPipe() override;
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// JavaScript functions
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int ReadStart() override;
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int ReadStop() override;
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// Resource implementation
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int DoShutdown(ShutdownWrap* req_wrap) override;
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int DoTryWrite(uv_buf_t** bufs, size_t* count) override;
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int DoWrite(WriteWrap* w,
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uv_buf_t* bufs,
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size_t count,
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uv_stream_t* send_handle) override;
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inline uv_stream_t* stream() const {
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return stream_;
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}
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inline bool is_named_pipe() const {
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return stream()->type == UV_NAMED_PIPE;
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}
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inline bool is_named_pipe_ipc() const {
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return is_named_pipe() &&
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reinterpret_cast<const uv_pipe_t*>(stream())->ipc != 0;
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}
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inline bool is_tcp() const {
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return stream()->type == UV_TCP;
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}
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protected:
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LibuvStreamWrap(Environment* env,
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v8::Local<v8::Object> object,
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uv_stream_t* stream,
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AsyncWrap::ProviderType provider);
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~LibuvStreamWrap() {
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}
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AsyncWrap* GetAsyncWrap() override;
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void UpdateWriteQueueSize();
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static void AddMethods(Environment* env,
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v8::Local<v8::FunctionTemplate> target,
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int flags = StreamBase::kFlagNone);
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private:
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static void SetBlocking(const v8::FunctionCallbackInfo<v8::Value>& args);
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// Callbacks for libuv
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static void OnAlloc(uv_handle_t* handle,
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size_t suggested_size,
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uv_buf_t* buf);
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static void OnRead(uv_stream_t* handle,
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ssize_t nread,
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const uv_buf_t* buf);
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static void AfterWrite(uv_write_t* req, int status);
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static void AfterShutdown(uv_shutdown_t* req, int status);
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// Resource interface implementation
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static void OnAfterWriteImpl(WriteWrap* w, void* ctx);
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static void OnAllocImpl(size_t size, uv_buf_t* buf, void* ctx);
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static void OnReadImpl(ssize_t nread,
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const uv_buf_t* buf,
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uv_handle_type pending,
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void* ctx);
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uv_stream_t* const stream_;
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};
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} // namespace node
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#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#endif // SRC_STREAM_WRAP_H_
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