/usr/include/nodejs/src/debug-agent.h is in nodejs-dev 4.8.2~dfsg-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | // Copyright Fedor Indutny and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef SRC_DEBUG_AGENT_H_
#define SRC_DEBUG_AGENT_H_
#include "node_mutex.h"
#include "util.h"
#include "util-inl.h"
#include "uv.h"
#include "v8.h"
#include "v8-debug.h"
#include <string.h>
#include <string>
// Forward declaration to break recursive dependency chain with src/env.h.
namespace node {
class Environment;
} // namespace node
namespace node {
namespace debugger {
class AgentMessage {
public:
AgentMessage(uint16_t* val, int length) : length_(length) {
if (val == nullptr) {
data_ = val;
} else {
data_ = new uint16_t[length];
memcpy(data_, val, length * sizeof(*data_));
}
}
~AgentMessage() {
delete[] data_;
data_ = nullptr;
}
inline const uint16_t* data() const { return data_; }
inline int length() const { return length_; }
ListNode<AgentMessage> member;
private:
uint16_t* data_;
int length_;
};
class Agent {
public:
explicit Agent(node::Environment* env);
~Agent();
typedef void (*DispatchHandler)(node::Environment* env);
// Start the debugger agent thread
bool Start(const std::string& host, int port, bool wait);
// Listen for debug events
void Enable();
// Stop the debugger agent
void Stop();
inline void set_dispatch_handler(DispatchHandler handler) {
dispatch_handler_ = handler;
}
inline node::Environment* parent_env() const { return parent_env_; }
inline node::Environment* child_env() const { return child_env_; }
protected:
void InitAdaptor(Environment* env);
// Worker body
void WorkerRun();
static void ThreadCb(Agent* agent);
static void ParentSignalCb(uv_async_t* signal);
static void ChildSignalCb(uv_async_t* signal);
static void MessageHandler(const v8::Debug::Message& message);
// V8 API
static Agent* Unwrap(const v8::FunctionCallbackInfo<v8::Value>& args);
static void NotifyListen(const v8::FunctionCallbackInfo<v8::Value>& args);
static void NotifyWait(const v8::FunctionCallbackInfo<v8::Value>& args);
static void SendCommand(const v8::FunctionCallbackInfo<v8::Value>& args);
void EnqueueMessage(AgentMessage* message);
enum State {
kNone,
kRunning
};
State state_;
std::string host_;
int port_;
bool wait_;
uv_sem_t start_sem_;
node::Mutex message_mutex_;
uv_async_t child_signal_;
uv_thread_t thread_;
node::Environment* parent_env_;
node::Environment* child_env_;
uv_loop_t child_loop_;
v8::Persistent<v8::Object> api_;
ListHead<AgentMessage, &AgentMessage::member> messages_;
DispatchHandler dispatch_handler_;
};
} // namespace debugger
} // namespace node
#endif // SRC_DEBUG_AGENT_H_
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