mirror of https://github.com/grpc/grpc-node.git
116 lines
3.5 KiB
C++
116 lines
3.5 KiB
C++
/*
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef NET_GRPC_NODE_CALL_H_
|
|
#define NET_GRPC_NODE_CALL_H_
|
|
|
|
#include <memory>
|
|
|
|
#include <node.h>
|
|
#include <nan.h>
|
|
#include "grpc/grpc.h"
|
|
|
|
#include "channel.h"
|
|
|
|
namespace grpc {
|
|
namespace node {
|
|
|
|
using std::unique_ptr;
|
|
|
|
class PersistentHolder {
|
|
public:
|
|
explicit PersistentHolder(v8::Persistent<v8::Value> persist) : persist(persist) {
|
|
}
|
|
|
|
~PersistentHolder() {
|
|
persist.Dispose();
|
|
}
|
|
|
|
private:
|
|
v8::Persistent<v8::Value> persist;
|
|
};
|
|
|
|
class Op {
|
|
public:
|
|
virtual v8::Handle<v8::Value> GetNodeValue() const = 0;
|
|
virtual bool ParseOp(v8::Handle<v8::Value> value, grpc_op *out,
|
|
std::vector<unique_ptr<NanUtf8String> > *strings,
|
|
std::vector<unique_ptr<PersistentHolder> > *handles) = 0;
|
|
v8::Handle<v8::Value> GetOpType() const;
|
|
|
|
protected:
|
|
virtual std::string GetTypeString() const;
|
|
};
|
|
|
|
struct tag {
|
|
tag(NanCallback *callback, std::vector<unique_ptr<Op> > *ops,
|
|
std::vector<unique_ptr<PersistentHolder> > *handles,
|
|
std::vector<unique_ptr<NanUtf8String> > *strings);
|
|
~tag();
|
|
NanCallback *callback;
|
|
std::vector<unique_ptr<Op> > *ops;
|
|
std::vector<unique_ptr<PersistentHolder> > *handles;
|
|
std::vector<unique_ptr<NanUtf8String> > *strings;
|
|
};
|
|
|
|
/* Wrapper class for grpc_call structs. */
|
|
class Call : public ::node::ObjectWrap {
|
|
public:
|
|
static void Init(v8::Handle<v8::Object> exports);
|
|
static bool HasInstance(v8::Handle<v8::Value> val);
|
|
/* Wrap a grpc_call struct in a javascript object */
|
|
static v8::Handle<v8::Value> WrapStruct(grpc_call *call);
|
|
|
|
private:
|
|
explicit Call(grpc_call *call);
|
|
~Call();
|
|
|
|
// Prevent copying
|
|
Call(const Call &);
|
|
Call &operator=(const Call &);
|
|
|
|
static NAN_METHOD(New);
|
|
static NAN_METHOD(StartBatch);
|
|
static NAN_METHOD(Cancel);
|
|
static v8::Persistent<v8::Function> constructor;
|
|
// Used for typechecking instances of this javascript class
|
|
static v8::Persistent<v8::FunctionTemplate> fun_tpl;
|
|
|
|
grpc_call *wrapped_call;
|
|
};
|
|
|
|
} // namespace node
|
|
} // namespace grpc
|
|
|
|
#endif // NET_GRPC_NODE_CALL_H_
|