murgatroid99 | 749666e | 2015-01-12 18:25:58 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2014, Google Inc. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
murgatroid99 | e506151 | 2015-01-12 18:14:35 -0800 | [diff] [blame] | 34 | #ifndef NET_GRPC_NODE_CALL_H_ |
| 35 | #define NET_GRPC_NODE_CALL_H_ |
| 36 | |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 37 | #include <memory> |
murgatroid99 | 016bb50 | 2015-02-09 15:55:10 -0800 | [diff] [blame] | 38 | #include <vector> |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 39 | |
murgatroid99 | e506151 | 2015-01-12 18:14:35 -0800 | [diff] [blame] | 40 | #include <node.h> |
| 41 | #include <nan.h> |
| 42 | #include "grpc/grpc.h" |
| 43 | |
| 44 | #include "channel.h" |
| 45 | |
| 46 | namespace grpc { |
| 47 | namespace node { |
| 48 | |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 49 | using std::unique_ptr; |
murgatroid99 | 17be589 | 2015-02-13 10:19:10 -0800 | [diff] [blame^] | 50 | using std::shared_ptr; |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 51 | |
murgatroid99 | 016bb50 | 2015-02-09 15:55:10 -0800 | [diff] [blame] | 52 | v8::Handle<v8::Value> ParseMetadata(const grpc_metadata_array *metadata_array); |
| 53 | |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 54 | class PersistentHolder { |
| 55 | public: |
murgatroid99 | 016bb50 | 2015-02-09 15:55:10 -0800 | [diff] [blame] | 56 | explicit PersistentHolder(v8::Persistent<v8::Value> persist) : |
| 57 | persist(persist) { |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | ~PersistentHolder() { |
murgatroid99 | 7765906 | 2015-02-11 09:26:25 -0800 | [diff] [blame] | 61 | NanDisposePersistent(persist); |
| 62 | } |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 63 | |
| 64 | private: |
murgatroid99 | ff43c09 | 2015-02-09 11:41:23 -0800 | [diff] [blame] | 65 | v8::Persistent<v8::Value> persist; |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 66 | }; |
| 67 | |
murgatroid99 | 17be589 | 2015-02-13 10:19:10 -0800 | [diff] [blame^] | 68 | struct Resources { |
| 69 | std::vector<unique_ptr<NanUtf8String> > strings; |
| 70 | std::vector<unique_ptr<PersistentHolder> > handles; |
| 71 | }; |
| 72 | |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 73 | class Op { |
| 74 | public: |
murgatroid99 | ff43c09 | 2015-02-09 11:41:23 -0800 | [diff] [blame] | 75 | virtual v8::Handle<v8::Value> GetNodeValue() const = 0; |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 76 | virtual bool ParseOp(v8::Handle<v8::Value> value, grpc_op *out, |
murgatroid99 | 17be589 | 2015-02-13 10:19:10 -0800 | [diff] [blame^] | 77 | shared_ptr<Resources> resources) = 0; |
murgatroid99 | ff43c09 | 2015-02-09 11:41:23 -0800 | [diff] [blame] | 78 | v8::Handle<v8::Value> GetOpType() const; |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 79 | |
| 80 | protected: |
murgatroid99 | 016bb50 | 2015-02-09 15:55:10 -0800 | [diff] [blame] | 81 | virtual std::string GetTypeString() const = 0; |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 82 | }; |
| 83 | |
| 84 | struct tag { |
| 85 | tag(NanCallback *callback, std::vector<unique_ptr<Op> > *ops, |
murgatroid99 | 17be589 | 2015-02-13 10:19:10 -0800 | [diff] [blame^] | 86 | shared_ptr<Resources> resources); |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 87 | ~tag(); |
| 88 | NanCallback *callback; |
| 89 | std::vector<unique_ptr<Op> > *ops; |
murgatroid99 | 17be589 | 2015-02-13 10:19:10 -0800 | [diff] [blame^] | 90 | shared_ptr<Resources> resources; |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 91 | }; |
| 92 | |
murgatroid99 | 016bb50 | 2015-02-09 15:55:10 -0800 | [diff] [blame] | 93 | v8::Handle<v8::Value> GetTagNodeValue(void *tag); |
| 94 | |
murgatroid99 | 1578c6a | 2015-02-11 16:19:55 -0800 | [diff] [blame] | 95 | NanCallback *GetTagCallback(void *tag); |
murgatroid99 | 016bb50 | 2015-02-09 15:55:10 -0800 | [diff] [blame] | 96 | |
| 97 | void DestroyTag(void *tag); |
| 98 | |
murgatroid99 | e506151 | 2015-01-12 18:14:35 -0800 | [diff] [blame] | 99 | /* Wrapper class for grpc_call structs. */ |
| 100 | class Call : public ::node::ObjectWrap { |
| 101 | public: |
| 102 | static void Init(v8::Handle<v8::Object> exports); |
| 103 | static bool HasInstance(v8::Handle<v8::Value> val); |
| 104 | /* Wrap a grpc_call struct in a javascript object */ |
| 105 | static v8::Handle<v8::Value> WrapStruct(grpc_call *call); |
| 106 | |
| 107 | private: |
| 108 | explicit Call(grpc_call *call); |
| 109 | ~Call(); |
| 110 | |
| 111 | // Prevent copying |
Craig Tiller | e8e304e | 2015-01-13 14:41:29 -0800 | [diff] [blame] | 112 | Call(const Call &); |
| 113 | Call &operator=(const Call &); |
murgatroid99 | e506151 | 2015-01-12 18:14:35 -0800 | [diff] [blame] | 114 | |
| 115 | static NAN_METHOD(New); |
murgatroid99 | d4d67ad | 2015-02-09 10:43:21 -0800 | [diff] [blame] | 116 | static NAN_METHOD(StartBatch); |
murgatroid99 | e506151 | 2015-01-12 18:14:35 -0800 | [diff] [blame] | 117 | static NAN_METHOD(Cancel); |
murgatroid99 | e506151 | 2015-01-12 18:14:35 -0800 | [diff] [blame] | 118 | static v8::Persistent<v8::Function> constructor; |
| 119 | // Used for typechecking instances of this javascript class |
| 120 | static v8::Persistent<v8::FunctionTemplate> fun_tpl; |
| 121 | |
| 122 | grpc_call *wrapped_call; |
| 123 | }; |
| 124 | |
| 125 | } // namespace node |
| 126 | } // namespace grpc |
| 127 | |
| 128 | #endif // NET_GRPC_NODE_CALL_H_ |