inspector: zero out structure members

Ctor has to be added as memset to 0 is no longer an option, since
the structure now has std::vector member.

Attempt at fixing #8155 (so far I was not able to repro it)

PR-URL: #8536
Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl>

Author: Eugene Ostroukhov

src/inspector_agent.cc

@@ -32,6 +32,7 @@
 #endif
 
 namespace node {
+namespace inspector {
 namespace {
 
 const char TAG_CONNECT[] = "#connect";
@@ -51,7 +52,7 @@ void PrintDebuggerReadyMessage(int port) {
   fflush(stderr);
 }
 
-bool AcceptsConnection(inspector_socket_t* socket, const std::string& path) {
+bool AcceptsConnection(InspectorSocket* socket, const std::string& path) {
   return StringEqualNoCaseN(path.c_str(), DEVTOOLS_PATH,
                             sizeof(DEVTOOLS_PATH) - 1);
 }
@@ -62,11 +63,11 @@ void Escape(std::string* string) {
   }
 }
 
-void DisposeInspector(inspector_socket_t* socket, int status) {
+void DisposeInspector(InspectorSocket* socket, int status) {
   delete socket;
 }
 
-void DisconnectAndDisposeIO(inspector_socket_t* socket) {
+void DisconnectAndDisposeIO(InspectorSocket* socket) {
   if (socket) {
     inspector_close(socket, DisposeInspector);
   }
@@ -77,7 +78,7 @@ void OnBufferAlloc(uv_handle_t* handle, size_t len, uv_buf_t* buf) {
   buf->len = len;
 }
 
-void SendHttpResponse(inspector_socket_t* socket, const char* response,
+void SendHttpResponse(InspectorSocket* socket, const char* response,
                       size_t len) {
   const char HEADERS[] = "HTTP/1.0 200 OK\r\n"
                          "Content-Type: application/json; charset=UTF-8\r\n"
@@ -90,7 +91,7 @@ void SendHttpResponse(inspector_socket_t* socket, const char* response,
   inspector_write(socket, response, len);
 }
 
-void SendVersionResponse(inspector_socket_t* socket) {
+void SendVersionResponse(InspectorSocket* socket) {
   const char VERSION_RESPONSE_TEMPLATE[] =
       "[ {"
       "  \"Browser\": \"node.js/%s\","
@@ -117,7 +118,7 @@ std::string GetProcessTitle() {
   }
 }
 
-void SendTargentsListResponse(inspector_socket_t* socket,
+void SendTargentsListResponse(InspectorSocket* socket,
                               const std::string& script_name_,
                               const std::string& script_path_,
                               int port) {
@@ -169,7 +170,7 @@ const char* match_path_segment(const char* path, const char* expected) {
   return nullptr;
 }
 
-bool RespondToGet(inspector_socket_t* socket, const std::string& script_name_,
+bool RespondToGet(InspectorSocket* socket, const std::string& script_name_,
                   const std::string& script_path_, const std::string& path,
                   int port) {
   const char* command = match_path_segment(path.c_str(), "/json");
@@ -192,8 +193,6 @@ bool RespondToGet(inspector_socket_t* socket, const std::string& script_name_,
 
 }  // namespace
 
-namespace inspector {
-
 
 class V8NodeInspector;
 
@@ -220,16 +219,16 @@ class AgentImpl {
 
   static void ThreadCbIO(void* agent);
   static void OnSocketConnectionIO(uv_stream_t* server, int status);
-  static bool OnInspectorHandshakeIO(inspector_socket_t* socket,
+  static bool OnInspectorHandshakeIO(InspectorSocket* socket,
                                      enum inspector_handshake_event state,
                                      const std::string& path);
   static void WriteCbIO(uv_async_t* async);
 
   void InstallInspectorOnProcess();
 
   void WorkerRunIO();
-  void OnInspectorConnectionIO(inspector_socket_t* socket);
-  void OnRemoteDataIO(inspector_socket_t* stream, ssize_t read,
+  void OnInspectorConnectionIO(InspectorSocket* socket);
+  void OnRemoteDataIO(InspectorSocket* stream, ssize_t read,
                       const uv_buf_t* b);
   void SetConnected(bool connected);
   void DispatchMessages();
@@ -255,7 +254,7 @@ class AgentImpl {
 
   uv_async_t* data_written_;
   uv_async_t io_thread_req_;
-  inspector_socket_t* client_socket_;
+  InspectorSocket* client_socket_;
   V8NodeInspector* inspector_;
   v8::Platform* platform_;
   MessageQueue incoming_message_queue_;
@@ -281,7 +280,7 @@ void InterruptCallback(v8::Isolate*, void* agent) {
 }
 
 void DataCallback(uv_stream_t* stream, ssize_t read, const uv_buf_t* buf) {
-  inspector_socket_t* socket = inspector_from_stream(stream);
+  InspectorSocket* socket = inspector_from_stream(stream);
   static_cast<AgentImpl*>(socket->data)->OnRemoteDataIO(socket, read, buf);
 }
 
@@ -594,7 +593,7 @@ void AgentImpl::ThreadCbIO(void* agent) {
 // static
 void AgentImpl::OnSocketConnectionIO(uv_stream_t* server, int status) {
   if (status == 0) {
-    inspector_socket_t* socket = new inspector_socket_t();
+    InspectorSocket* socket = new InspectorSocket();
     socket->data = server->data;
     if (inspector_accept(server, socket,
                          AgentImpl::OnInspectorHandshakeIO) != 0) {
@@ -604,7 +603,7 @@ void AgentImpl::OnSocketConnectionIO(uv_stream_t* server, int status) {
 }
 
 // static
-bool AgentImpl::OnInspectorHandshakeIO(inspector_socket_t* socket,
+bool AgentImpl::OnInspectorHandshakeIO(InspectorSocket* socket,
                                        enum inspector_handshake_event state,
                                        const std::string& path) {
   AgentImpl* agent = static_cast<AgentImpl*>(socket->data);
@@ -626,7 +625,7 @@ bool AgentImpl::OnInspectorHandshakeIO(inspector_socket_t* socket,
   }
 }
 
-void AgentImpl::OnRemoteDataIO(inspector_socket_t* socket,
+void AgentImpl::OnRemoteDataIO(InspectorSocket* socket,
                                ssize_t read,
                                const uv_buf_t* buf) {
   Mutex::ScopedLock scoped_lock(pause_lock_);
@@ -660,7 +659,7 @@ void AgentImpl::OnRemoteDataIO(inspector_socket_t* socket,
 // static
 void AgentImpl::WriteCbIO(uv_async_t* async) {
   AgentImpl* agent = static_cast<AgentImpl*>(async->data);
-  inspector_socket_t* socket = agent->client_socket_;
+  InspectorSocket* socket = agent->client_socket_;
   if (socket) {
     MessageQueue outgoing_messages;
     agent->SwapBehindLock(&agent->outgoing_message_queue_, &outgoing_messages);
@@ -741,7 +740,7 @@ void AgentImpl::PostIncomingMessage(const String16& message) {
   }
 }
 
-void AgentImpl::OnInspectorConnectionIO(inspector_socket_t* socket) {
+void AgentImpl::OnInspectorConnectionIO(InspectorSocket* socket) {
   if (client_socket_) {
     DisconnectAndDisposeIO(socket);
     return;