pjs/ef/Debugger/Communication/DebuggerChannel.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
// DebuggerChannel.h
//
// Scott M. Silver
// A simple minded communication stream for
// the debugger pieces client/server
#ifndef _H_DEBUGGERCHANNEL
#define _H_DEBUGGERCHANNEL
#include "prio.h"
#include "prprf.h"
#include "Fundamentals.h"
#include "prlock.h"
#ifdef assert
#undef assert
#include <assert.h>
#endif
#ifdef XP_PC
# include <wtypes.h>
#endif
// FIX-ME endianness???
struct DebuggerMessageRequest
{
Int32 request;
};
struct DebuggerMessageResponse
{
Int32 status; // 0 = succesful, non-zero is an error code
};
const Int32 kAddressToMethod = 120;
const Int32 kMethodToAddress = 121;
const Int32 kRequestNotifyMethodCompiledLoaded = 122;
const Int32 kNotifyMethodCompiledLoaded = 123;
const Int32 kRunClass = 124;
const Int32 kNotifyOnClassLoad = 125;
const Int32 kNotifyOnException = 126;
const Int32 kRequestDebuggerThread = 127;
class NS_EXTERN DebuggerStream
{
PRFileDesc* mFileDesc;
public:
DebuggerStream(PRFileDesc* inCommChannel) :
mFileDesc(inCommChannel) { }
DebuggerStream() :
mFileDesc(0) { }
void writeRequest(Int32 inRequest);
Int32 readRequest();
void writeResponse(Int32 inStatus);
Int32 readResponse();
Int32 readLength(); // actual binary int32
void writeString(const char* inString);
char* readString(); // string must be deleted [] by callee
void* readPtr();
void writePtr(const void* inPtr);
// r/w raw buffer dumping
void writeDataRaw(const void* inData, Int32 inLength);
void readDataRaw(void* outData, Int32 inLength);
// r/w length preceded data
void writeData(const void* inData, Int32 inLength);
void* readData();
};
#ifdef WIN32
void NS_EXTERN setDebuggerThreadID(DWORD inThreadID);
DWORD NS_EXTERN getDebuggerThreadID();
#define SET_DEBUGGER_THREAD_ID(inID) \
PR_BEGIN_MACRO \
setDebuggerThreadID(inID); \
PR_END_MACRO
#else
#define SET_DEBUGGER_THREAD_ID(inID) \
PR_BEGIN_MACRO \
PR_END_MACRO
#endif
const int kDebuggerPort = 8001;
typedef void (*NotifyCompileOrLoadedMethodHandler)(const char*, void*);
class NS_EXTERN DebuggerClientChannel
{
DebuggerStream mSync;
DebuggerStream mAsync;
NotifyCompileOrLoadedMethodHandler mCompLoadHandler;
PRLock* mLock;
public:
static DebuggerClientChannel* createClient();
char* requestAddressToMethod(const void* inAddress, Int32& outOffset);
void* requestMethodToAddress(const char* inMethodName);
void sendOneCharacterRequest(char inCharRequest);
void* requestDebuggerThread();
Int32 requestNotifyOnMethodCompileLoad(const char* inMethodName);
Int32 requestRunClass(const char* inClassName);
Int32 requestNotifyOnClassLoad(const char* inClassName);
Int32 requestNotifyOnException(const char* inClassName);
void setCompileOrLoadMethodHandler(NotifyCompileOrLoadedMethodHandler inHandler) { mCompLoadHandler = inHandler; }
protected:
DebuggerClientChannel(PRFileDesc* inSync, PRFileDesc* inAsync);
void handleCompileOrLoadedMethod(const char* inMethodName, void *inAddress)
{
if (mCompLoadHandler)
(*mCompLoadHandler)(inMethodName, inAddress);
}
bool waitForAsyncRequest();
static void asyncRequestThread(void* inThisPtr);
void handleAsyncRequest(Int32 inRequest);
};
#endif