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[Debugger] Fix nested JS callback registration (fix #2147) (#2157) 

* [Debugger] Fix nested JS callback registration (fix #2147)

* [Debugger] Handle JS socket ungraceful disconnect
This commit is contained in:
shyguyhex 2021-12-28 01:31:19 -06:00 committed by GitHub
parent 3fe7fb7005
commit 9b5f45ea23
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 72 additions and 97 deletions
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25
Source/Project64/UserInterface/Debugger/ScriptAPI/JSSocketWorker.cpp
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@ -100,7 +100,7 @@ void CJSSocketWorker::WorkerProc()
timeout.tv_sec = 0;
timeout.tv_usec = TIMEOUT_MS * 1000;
bool bWritable = false;
bool bHaveConnection = false;
bool bConnectPending = false;
bool bWritesPending = false;
bool bRecvClosed = false;
@ -112,8 +112,8 @@ void CJSSocketWorker::WorkerProc()
if (!bConnectPending)
{
// assume it's already writable
bWritable = true;
// assume it's already connected
bHaveConnection = true;
}
if (bConnectPending && ProcConnect())
@ -158,7 +158,7 @@ void CJSSocketWorker::WorkerProc()
FD_SET(m_Socket, pReadFds);
}
if (bWritesPending || !bWritable)
if (bWritesPending || !bHaveConnection)
{
pWriteFds = &writeFds;
FD_ZERO(pWriteFds);
@ -169,6 +169,7 @@ void CJSSocketWorker::WorkerProc()
if (numFds == SOCKET_ERROR)
{
JSEmitError("select() error");
break;
}
if (numFds == 0)
@ -176,11 +177,14 @@ void CJSSocketWorker::WorkerProc()
continue;
}
if (pWriteFds && FD_ISSET(m_Socket, pWriteFds))
bool bWritable = pWriteFds && FD_ISSET(m_Socket, pWriteFds);
bool bReadable = pReadFds && FD_ISSET(m_Socket, pReadFds);
if (bWritable && !m_Queue.bSendClosed)
{
if (!bWritable)
if (!bHaveConnection)
{
bWritable = true;
bHaveConnection = true;
JSEmitConnect();
}
@ -189,8 +193,13 @@ void CJSSocketWorker::WorkerProc()
ProcSendData();
}
}
else if (bHaveConnection)
{
JSEmitError("connection reset");
break;
}
if (pReadFds && FD_ISSET(m_Socket, pReadFds))
if (bReadable)
{
ProcRecvData();
}

14
Source/Project64/UserInterface/Debugger/ScriptAPI/ScriptAPI.cpp
View File

@ -375,7 +375,7 @@ JSAppCallbackID ScriptAPI::AddAppCallback(duk_context* ctx, duk_idx_t callbackId
JSAppCallbackID ScriptAPI::AddAppCallback(duk_context* ctx, JSAppHookID hookId, JSAppCallback& callback)
{
CScriptInstance* inst = GetInstance(ctx);
JSAppCallbackID callbackId = inst->System()->QueueAddAppCallback(hookId, callback);
JSAppCallbackID callbackId = inst->System()->RawAddAppCallback(hookId, callback);
if(callbackId == JS_INVALID_CALLBACK)
{
@ -429,7 +429,7 @@ duk_ret_t ScriptAPI::js__AppCallbackFinalizer(duk_context* ctx)
JSAppCallbackID callbackId = (JSAppCallbackID)duk_get_uint(ctx, -1);
duk_pop_n(ctx, 2);
inst->System()->QueueRemoveAppCallback(hookId, callbackId);
inst->System()->RawRemoveAppCallback(hookId, callbackId);
return 0;
}
@ -531,6 +531,8 @@ duk_ret_t ScriptAPI::js__Emitter_emit(duk_context* ctx)
duk_get_prop_string(ctx, -1, eventName);
duk_enum(ctx, -1, 0);
int count = 0;
while (duk_next(ctx, -1, (duk_bool_t)true))
{
duk_push_this(ctx);
@ -546,6 +548,14 @@ duk_ret_t ScriptAPI::js__Emitter_emit(duk_context* ctx)
}
duk_pop_n(ctx, 2);
count++;
}
// throw if there are no listeners for error event
if (count == 0 && strcmp("error", eventName) == 0)
{
duk_dup(ctx, 1);
duk_throw(ctx);
}
return 0;

85
Source/Project64/UserInterface/Debugger/ScriptSystem.cpp
View File

@ -168,6 +168,7 @@ bool CScriptSystem::HaveAppCallbacks(JSAppHookID hookId)
void CScriptSystem::InvokeAppCallbacks(JSAppHookID hookId, void* env)
{
CGuard guard(m_InstancesCS);
RefreshCallbackMaps();
JSAppCallbackList& callbacks = m_AppCallbackHooks[hookId];
@ -175,7 +176,7 @@ void CScriptSystem::InvokeAppCallbacks(JSAppHookID hookId, void* env)
for (JSAppCallback& callback : callbacks)
{
if (!callback.m_ConditionFunc(&callback, env))
if (callback.m_bDisabled || !callback.m_ConditionFunc(&callback, env))
{
continue;
}
@ -257,68 +258,28 @@ void CScriptSystem::UpdateCpuCbListInfo(volatile JSCpuCbListInfo& info, JSAppCal
void CScriptSystem::RefreshCallbackMaps()
{
for (JSQueuedCallbackRemove& cbRemove : m_CbRemoveQueue)
for (JSAppCallbackList& callbacks : m_AppCallbackHooks)
{
RawRemoveAppCallback(cbRemove.hookId, cbRemove.callbackId);
}
JSAppCallbackList::iterator it = callbacks.begin();
for (JSQueuedCallbackAdd& cbAdd : m_CbAddQueue)
while (it != callbacks.end())
{
RawAddAppCallback(cbAdd.hookId, cbAdd.callback);
if (it->m_bDisabled)
{
callbacks.erase(it);
}
else
{
it++;
}
}
}
m_CbRemoveQueue.clear();
m_CbAddQueue.clear();
UpdateCpuCbListInfo(m_CpuExecCbInfo, m_AppCallbackHooks[JS_HOOK_CPU_EXEC]);
UpdateCpuCbListInfo(m_CpuReadCbInfo, m_AppCallbackHooks[JS_HOOK_CPU_READ]);
UpdateCpuCbListInfo(m_CpuWriteCbInfo, m_AppCallbackHooks[JS_HOOK_CPU_WRITE]);
}
JSAppCallbackID CScriptSystem::QueueAddAppCallback(JSAppHookID hookId, JSAppCallback callback)
{
if (hookId >= JS_NUM_APP_HOOKS)
{
return JS_INVALID_CALLBACK;
}
callback.m_CallbackId = m_NextAppCallbackId++;
m_CbAddQueue.push_back({ hookId, callback });
callback.m_Instance->IncRefCount();
return callback.m_CallbackId;
}
void CScriptSystem::QueueRemoveAppCallback(JSAppHookID hookId, JSAppCallbackID callbackId)
{
// todo also remove from addqueue
for (size_t i = 0; i < m_CbRemoveQueue.size(); i++)
{
if (m_CbRemoveQueue[i].hookId == hookId &&
m_CbRemoveQueue[i].callbackId == callbackId)
{
return;
}
}
JSAppCallbackList::iterator it;
for (it = m_AppCallbackHooks[hookId].begin(); it != m_AppCallbackHooks[hookId].end(); it++)
{
if (it->m_CallbackId == callbackId)
{
break;
}
}
if (it == m_AppCallbackHooks[hookId].end())
{
return;
}
m_CbRemoveQueue.push_back({ hookId, callbackId });
it->m_Instance->DecRefCount();
}
void CScriptSystem::DoMouseEvent(JSAppHookID hookId, int x, int y, DWORD uMsg)
{
int button = -1;
@ -474,7 +435,7 @@ void CScriptSystem::OnSweep(bool bIfDone)
{
NotifyStatus(inst->Name().c_str(), JS_STATUS_STOPPED);
delete inst;
m_Instances.erase(it++);
m_Instances.erase(it);
}
else
{
@ -509,28 +470,34 @@ bool CScriptSystem::RawRemoveInstance(const char *name)
return true;
}
void CScriptSystem::RawAddAppCallback(JSAppHookID hookId, JSAppCallback& callback)
JSAppCallbackID CScriptSystem::RawAddAppCallback(JSAppHookID hookId, JSAppCallback& callback)
{
if(hookId >= JS_NUM_APP_HOOKS)
{
return;
return JS_INVALID_CALLBACK;
}
callback.m_Instance->IncRefCount();
callback.m_CallbackId = m_NextAppCallbackId++;
m_AppCallbackHooks[hookId].push_back(callback);
m_AppCallbackCount++;
return callback.m_CallbackId;
}
void CScriptSystem::RawRemoveAppCallback(JSAppHookID hookId, JSAppCallbackID callbackId)
{
JSAppCallbackList::iterator it;
for (it = m_AppCallbackHooks[hookId].begin(); it != m_AppCallbackHooks[hookId].end(); it++)
JSAppCallbackList::iterator it = m_AppCallbackHooks[hookId].begin();
while (it != m_AppCallbackHooks[hookId].end())
{
if (it->m_CallbackId == callbackId)
{
m_AppCallbackHooks[hookId].erase(it);
m_AppCallbackCount--;
it->m_Instance->DecRefCount();
it->m_bDisabled = true;
return;
}
it++;
}
}

24
Source/Project64/UserInterface/Debugger/ScriptSystem.h
View File

@ -17,18 +17,6 @@ class CScriptSystem
typedef std::map<JSInstanceName, JSInstanceStatus> JSInstanceStatusMap;
typedef std::vector<JSSysCommand> JSSysCommandQueue;
struct JSQueuedCallbackAdd
{
JSAppHookID hookId;
JSAppCallback callback;
};
struct JSQueuedCallbackRemove
{
JSAppHookID hookId;
JSAppCallbackID callbackId;
};
enum { JS_CPU_CB_RANGE_CACHE_SIZE = 256 };
struct JSCpuCbListInfo
@ -55,9 +43,6 @@ class CScriptSystem
JSAppCallbackList m_AppCallbackHooks[JS_NUM_APP_HOOKS];
JSAppCallbackID m_NextAppCallbackId;
std::vector<JSQueuedCallbackRemove> m_CbRemoveQueue;
std::vector<JSQueuedCallbackAdd> m_CbAddQueue;
volatile size_t m_AppCallbackCount;
volatile JSCpuCbListInfo m_CpuExecCbInfo;
@ -125,9 +110,6 @@ public:
static void UpdateCpuCbListInfo(volatile JSCpuCbListInfo& info, JSAppCallbackList& callbacks);
void DoMouseEvent(JSAppHookID hookId, int x, int y, DWORD uMsg = (DWORD)-1);
JSAppCallbackID QueueAddAppCallback(JSAppHookID hookId, JSAppCallback callback);
void QueueRemoveAppCallback(JSAppHookID hookId, JSAppCallbackID callbackId);
void InvokeAppCallbacks(JSAppHookID hookId, void* env = nullptr);
void ExecAutorunList();
@ -135,6 +117,9 @@ public:
void LoadAutorunList();
void SaveAutorunList();
JSAppCallbackID RawAddAppCallback(JSAppHookID hookId, JSAppCallback& callback);
void RawRemoveAppCallback(JSAppHookID hookId, JSAppCallbackID callbackId);
private:
inline bool HaveCpuCallbacks(volatile JSCpuCbListInfo& info, JSAppCallbackList& callbacks, uint32_t address)
{
@ -189,9 +174,6 @@ private:
void OnSweep(bool bIfDone);
bool RawRemoveInstance(const char* key);
void RawAddAppCallback(JSAppHookID hookId, JSAppCallback& callback);
void RawRemoveAppCallback(JSAppHookID hookId, JSAppCallbackID callbackId);
void RefreshCallbackMaps();
static stdstr FixStringReturns(const char* str);

17
Source/Project64/UserInterface/Debugger/ScriptTypes.h
View File

@ -77,6 +77,7 @@ struct JSAppCallback
{
// assigned by scriptsys when this is added to a callback map
JSAppCallbackID m_CallbackId;
bool m_bDisabled;
CScriptInstance *m_Instance;
void *m_DukFuncHeapPtr;
@ -98,12 +99,13 @@ struct JSAppCallback
JSAppCallbackCondFunc condFunc = nullptr,
JSDukArgSetupFunc argSetupFunc = nullptr,
JSAppCallbackCleanupFunc cleanupFunc = nullptr) :
m_CallbackId(JS_INVALID_CALLBACK),
m_bDisabled(false),
m_Instance(instance),
m_DukFuncHeapPtr(dukFuncHeapPtr),
m_ConditionFunc(condFunc),
m_DukArgSetupFunc(argSetupFunc),
m_CleanupFunc(cleanupFunc),
m_CallbackId(JS_INVALID_CALLBACK)
m_CleanupFunc(cleanupFunc)
{
if (m_ConditionFunc == nullptr)
{
@ -114,12 +116,13 @@ struct JSAppCallback
}
JSAppCallback() :
m_CallbackId(JS_INVALID_CALLBACK),
m_bDisabled(false),
m_Instance(nullptr),
m_DukFuncHeapPtr(nullptr),
m_ConditionFunc(nullptr),
m_DukArgSetupFunc(nullptr),
m_CleanupFunc(nullptr),
m_CallbackId(JS_INVALID_CALLBACK)
m_CleanupFunc(nullptr)
{
if (m_ConditionFunc == nullptr)
{
@ -163,7 +166,8 @@ struct JSHookSpTaskEnv
uint32_t yieldDataSize;
};
struct JSHookPiDmaEnv {
struct JSHookPiDmaEnv
{
int direction;
uint32_t dramAddress;
uint32_t cartAddress;
@ -207,7 +211,10 @@ struct JSSysCMethodCall
}
~JSSysCMethodCall()
{
if (m_ArgSetupParam != nullptr)
{
delete[](char*)m_ArgSetupParam;
}
}
};