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CCPomeloWrapper.cpp
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CCPomeloWrapper.cpp
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//
// CCPomeloWrapper.cpp
//
// Created by [email protected] on 13-11-22.
//
// A simple libpomelo wrapper for cocos2d-x
#include "CCPomeloWrapper.h"
#include <errno.h>
#include <queue>
#include "pomelo.h"
#include "jansson.h"
using namespace std;
USING_NS_CC;
static CCPomeloWrapper* gPomelo = NULL;
struct _PomeloUser
{
#if CCX3
_PomeloUser(){ connCB = NULL; reqCB = NULL; ntfCB = NULL; evtCB = NULL; };
~_PomeloUser(){};
PomeloAsyncConnCallback connCB; //for async conn
PomeloReqResultCallback reqCB; //for request
PomeloNtfResultCallback ntfCB; //for notify
PomeloEventCallback evtCB; //for listener
#else
CCObject* target; //by ref
union
{
PomeloAsyncConnHandler connSel; //for async conn
PomeloReqResultHandler reqSel; //for request
PomeloNtfResultHandler ntfSel; //for notify
PomeloEventHandler evtSel; //for listener
};
#endif
};
struct _PomeloRequestResult
{
pc_request_t* request; //by ref
int status;
string resp;
};
struct _PomeloNotifyResult
{
pc_notify_t* notify; //by ref
int status;
};
struct _PomeloEvent
{
string event;
string data;
};
CCPomeloRequestResult::CCPomeloRequestResult()
{
}
CCPomeloNotifyResult::CCPomeloNotifyResult()
{
}
CCPomeloEvent::CCPomeloEvent()
{
}
class CCPomeloImpl :
#if CCX3
public cocos2d::Object
#else
public cocos2d::CCObject
#endif
{
public:
CCPomeloImpl();
virtual ~CCPomeloImpl();
CCPomeloStatus status() const;
int connect(const char* host, int port);
#if CCX3
int connectAsnyc(const char* host, int port, const PomeloAsyncConnCallback& callback);
int setDisconnectedCallback(const std::function<void()>& callback);
int request(const char* route, const std::string& msg, const PomeloReqResultCallback& callback);
int notify(const char* route, const std::string& msg, const PomeloNtfResultCallback& callback);
int addListener(const char* event, const PomeloEventCallback& callback);
#else
int connectAsnyc(const char* host, int port, cocos2d::CCObject* pCallbackTarget, PomeloAsyncConnHandler pCallbackSelector);
int setDisconnectedCallback(cocos2d::CCObject* pTarget, cocos2d::SEL_CallFunc pSelector);
int request(const char* route, const std::string& msg, cocos2d::CCObject* pCallbackTarget, PomeloReqResultHandler pCallbackSelector);
int notify(const char* route, const std::string& msg, cocos2d::CCObject* pCallbackTarget, PomeloNtfResultHandler pCallbackSelector);
int addListener(const char* event, cocos2d::CCObject* pCallbackTarget, PomeloEventHandler pCallbackSelector);
#endif
void stop();
void removeListener(const char* event);
void removeAllListeners();
private:
//callbacks for libpomelo
static void connectAsnycCallback(pc_connect_t* conn_req, int status);
static void requestCallback(pc_request_t *request, int status, json_t *docs);
static void notifyCallback(pc_notify_t *ntf, int status);
static void eventCallback(pc_client_t *client, const char *event, void *data);
static void disconnectedCallback(pc_client_t *client, const char *event, void *data);
private:
void ccDispatcher(float delta);
void dispatchAsyncConnCallback();
void dispatchRequestCallbacks();
void dispatchNotifyCallbacks();
void dispatchEventCallbacks();
void pushReqResult(_PomeloRequestResult* reqResult);
void pushNtfResult(_PomeloNotifyResult* ntfResult);
void pushEvent(_PomeloEvent* event);
_PomeloRequestResult* popReqResult(bool lock = true);
_PomeloNotifyResult* popNtfResult(bool lock = true);
_PomeloEvent* popEvent(bool lock = true);
void clearReqResource();
void clearNtfResource();
void clearAllPendingEvents();
void lock();
void unlock();
private:
CCPomeloStatus mStatus;
pc_client_t* mClient;
_PomeloUser* mAsyncConnUser;
bool mAsyncConnDispatchPending;
int mAsyncConnStatus;
pc_connect_t* mAsyncConn; //by ref
pthread_mutex_t mMutex;
#if CCX3
std::function<void()> mDisconnectCB;
#else
CCObject* mDisconnectCbTarget;
SEL_CallFunc mDisconnectCbSelector;
#endif
map<pc_request_t*,_PomeloUser*> mReqUserMap;
queue<_PomeloRequestResult*> mReqResultQueue;
map<string,_PomeloUser*> mEventUserMap;
queue<_PomeloEvent*> mEventQueue;
map<pc_notify_t*,_PomeloUser*> mNtfUserMap;
queue<_PomeloNotifyResult*> mNtfResultQueue;
};
void CCPomeloImpl::ccDispatcher(float delta)
{
dispatchAsyncConnCallback();
dispatchRequestCallbacks();
dispatchNotifyCallbacks();
dispatchEventCallbacks();
}
void CCPomeloImpl::dispatchAsyncConnCallback()
{
if(mAsyncConnDispatchPending)
{
mAsyncConnDispatchPending = false;
pc_add_listener(mClient, PC_EVENT_DISCONNECT, disconnectedCallback);
_PomeloUser* user = mAsyncConnUser;
#if CCX3
if(user && user->connCB)
{
user->connCB(mAsyncConnStatus);
}
#else
if(user && user->target && user->connSel)
{
PomeloAsyncConnHandler sel = user->connSel;
(user->target->*sel)(mAsyncConnStatus);
}
#endif
if(mAsyncConnUser == user) //just in case of stop() called in cb
{
delete mAsyncConnUser;
mAsyncConnUser = NULL;
}
}
}
void CCPomeloImpl::dispatchRequestCallbacks()
{
_PomeloRequestResult* rst = popReqResult(mStatus == EPomeloConnected);
if(rst)
{
_PomeloUser* user = NULL;
if(mReqUserMap.find(rst->request) != mReqUserMap.end())
{
user = mReqUserMap[rst->request];
mReqUserMap.erase(rst->request);
}
#if CCX3
//here is the good place to perform callback
if(user && user->reqCB)
{
CCPomeloRequestResult result;
result.requestRoute = rst->request->route;
result.status = rst->status;
result.jsonMsg = rst->resp;
user->reqCB(result);
}
#else
//here is the good place to perform callback
if(user && user->target && user->reqSel)
{
CCPomeloRequestResult result;
result.requestRoute = rst->request->route;
result.status = rst->status;
result.jsonMsg = rst->resp;
PomeloReqResultHandler sel = user->reqSel;
(user->target->*sel)(result);
}
#endif
delete user;
//fixme
json_decref(rst->request->msg);
pc_request_destroy(rst->request);
delete rst;
}
}
void CCPomeloImpl::dispatchNotifyCallbacks()
{
_PomeloNotifyResult* rst = popNtfResult(mStatus == EPomeloConnected);
if(rst)
{
_PomeloUser* user = NULL;
if(mNtfUserMap.find(rst->notify) != mNtfUserMap.end())
{
user = mNtfUserMap[rst->notify];
mNtfUserMap.erase(rst->notify);
}
#if CCX3
if(user && user->ntfCB)
{
CCPomeloNotifyResult result;
result.notifyRoute = rst->notify->route;
result.status = rst->status;
user->ntfCB(result);
}
#else
if(user && user->target && user->ntfSel)
{
CCPomeloNotifyResult result;
result.notifyRoute = rst->notify->route;
result.status = rst->status;
PomeloNtfResultHandler sel = user->ntfSel;
(user->target->*sel)(result);
}
#endif
delete user;
//fixme
json_decref(rst->notify->msg);
pc_notify_destroy(rst->notify);
delete rst;
}
}
void CCPomeloImpl::dispatchEventCallbacks()
{
_PomeloEvent* rst = popEvent(mStatus == EPomeloConnected);
if(rst)
{
if(rst->event.compare(PC_EVENT_DISCONNECT) == 0)
{
//connection lost
stop(); //release data
#if CCX3
if (mDisconnectCB) {
mDisconnectCB();
}
#else
if(mDisconnectCbTarget && mDisconnectCbSelector)
{
(mDisconnectCbTarget->*mDisconnectCbSelector)();
}
#endif
}
else //for customized events
{
_PomeloUser* user = NULL;
if(mEventUserMap.find(rst->event) != mEventUserMap.end())
{
user = mEventUserMap[rst->event];
}
#if CCX3
if(user && user->evtCB)
{
CCPomeloEvent result;
result.event = rst->event;
result.jsonMsg = rst->data;
user->evtCB(result);
}
#else
if(user && user->target && user->evtSel)
{
CCPomeloEvent result;
result.event = rst->event;
result.jsonMsg = rst->data;
PomeloEventHandler sel = user->evtSel;
(user->target->*sel)(result);
}
#endif
}
delete rst;
}
}
void CCPomeloImpl::pushReqResult(_PomeloRequestResult* reqResult)
{
mReqResultQueue.push(reqResult);
}
void CCPomeloImpl::pushNtfResult(_PomeloNotifyResult* ntfResult)
{
mNtfResultQueue.push(ntfResult);
}
void CCPomeloImpl::pushEvent(_PomeloEvent* event)
{
mEventQueue.push(event);
}
_PomeloRequestResult* CCPomeloImpl::popReqResult(bool lock/* = true*/)
{
_PomeloRequestResult* rst = NULL;
if(lock)
pthread_mutex_lock(&mMutex);
if (mReqResultQueue.size() > 0)
{
rst = mReqResultQueue.front();
mReqResultQueue.pop();
}
if(lock)
pthread_mutex_unlock(&mMutex);
return rst;
}
_PomeloNotifyResult* CCPomeloImpl::popNtfResult(bool lock/* = true*/)
{
_PomeloNotifyResult* rst = NULL;
if(lock)
pthread_mutex_lock(&mMutex);
if (mNtfResultQueue.size() > 0)
{
rst = mNtfResultQueue.front();
mNtfResultQueue.pop();
}
if(lock)
pthread_mutex_unlock(&mMutex);
return rst;
}
_PomeloEvent* CCPomeloImpl::popEvent(bool lock/* = true*/)
{
_PomeloEvent* evt = NULL;
if(lock)
pthread_mutex_lock(&mMutex);
if (mEventQueue.size() > 0)
{
evt = mEventQueue.front();
mEventQueue.pop();
}
if(lock)
pthread_mutex_unlock(&mMutex);
return evt;
}
void CCPomeloImpl::connectAsnycCallback(pc_connect_t* conn_req, int status)
{
pthread_mutex_lock(&gPomelo->_theMagic->mMutex);
if(gPomelo->_theMagic->mAsyncConn != conn_req)
{
//conn_req是一个已经被“断开”的连接。
//destory the connection
pc_client_t* client = conn_req->client;
pc_connect_req_destroy(conn_req);
//fixme: pomelo forum guys said that
//we should not use pc_client_destory in worker thread
pc_client_stop(client);
}
else
{
pc_connect_req_destroy(conn_req);
gPomelo->_theMagic->mStatus = EPomeloConnected;
gPomelo->_theMagic->mAsyncConnStatus = status;
gPomelo->_theMagic->mAsyncConnDispatchPending = true;
gPomelo->_theMagic->mAsyncConn = NULL;
#if CCX3
CCDirector::getInstance()->getScheduler()->resumeTarget(gPomelo->_theMagic);
#else
CCDirector::sharedDirector()->getScheduler()->resumeTarget(gPomelo->_theMagic);
#endif
}
pthread_mutex_unlock(&gPomelo->_theMagic->mMutex);
}
void CCPomeloImpl::requestCallback(pc_request_t *request, int status, json_t *docs)
{
if(gPomelo->status() == EPomeloStopping)
{
/*
EPomeloStopping时，表示此函数是由pc_client_destory()内部触发。
此时处于主线程中。request会由libpomelo内部进行释放。
*/
if(gPomelo->_theMagic->mReqUserMap.find(request) != gPomelo->_theMagic->mReqUserMap.end())
{
char* json = json_dumps(docs, JSON_COMPACT); //json is NULL
_PomeloUser* user = gPomelo->_theMagic->mReqUserMap[request];
gPomelo->_theMagic->mReqUserMap.erase(request);
#if CCX3
//here is the good place to perform callback
if(user && user->reqCB)
{
CCPomeloRequestResult result;
result.requestRoute = request->route;
result.status = status;
result.jsonMsg = json ? json : "";
user->reqCB(result);
}
#else
//here is the good place to perform callback
if(user && user->target && user->reqSel)
{
CCPomeloRequestResult result;
result.requestRoute = request->route;
result.status = status;
result.jsonMsg = json ? json : "";
PomeloReqResultHandler sel = user->reqSel;
(user->target->*sel)(result);
}
#endif
delete user;
//fixme
json_decref(request->msg);
free(json);
}
}
else //EPomeloConnected
{
pthread_mutex_lock(&gPomelo->_theMagic->mMutex);
char* json = json_dumps(docs, JSON_COMPACT);
_PomeloRequestResult* rst = new _PomeloRequestResult();
rst->request = request;
if(json)
rst->resp = json;
rst->status = status;
gPomelo->_theMagic->pushReqResult(rst);
free(json);
pthread_mutex_unlock(&gPomelo->_theMagic->mMutex);
}
}
void CCPomeloImpl::notifyCallback(pc_notify_t *ntf, int status)
{
if(gPomelo->status() == EPomeloStopping)
{
/*
EPomeloStopping时，表示此函数是由pc_client_destory()内部触发。
此时处于主线程中。ntf会由libpomelo内部进行释放。
*/
if(gPomelo->_theMagic->mNtfUserMap.find(ntf) != gPomelo->_theMagic->mNtfUserMap.end())
{
_PomeloUser* user = gPomelo->_theMagic->mNtfUserMap[ntf];
#if CCX3
if(user && user->ntfCB)
{
CCPomeloNotifyResult result;
result.notifyRoute = ntf->route;
result.status = status;
user->ntfCB(result);
}
#else
if(user && user->target && user->ntfSel)
{
CCPomeloNotifyResult result;
result.notifyRoute = ntf->route;
result.status = status;
PomeloNtfResultHandler sel = user->ntfSel;
(user->target->*sel)(result);
}
#endif
delete user;
//fixme
json_decref(ntf->msg);
}
}
else //EPomeloConnected
{
pthread_mutex_lock(&gPomelo->_theMagic->mMutex);
_PomeloNotifyResult* rst = new _PomeloNotifyResult();
rst->notify = ntf;
rst->status = status;
gPomelo->_theMagic->pushNtfResult(rst);
pthread_mutex_unlock(&gPomelo->_theMagic->mMutex);
}
}
void CCPomeloImpl::eventCallback(pc_client_t *client, const char *event, void *data)
{
pthread_mutex_lock(&gPomelo->_theMagic->mMutex);
if(gPomelo->status() == EPomeloConnected)
{
char* json = json_dumps((json_t*)data, JSON_COMPACT);
_PomeloEvent* rst = new _PomeloEvent();
rst->event = event;
if(json)
rst->data = json;
gPomelo->_theMagic->pushEvent(rst);
free(json);
}
else //EPomeloStopping
{
//EPomeloStopping过程中不响应callback
}
pthread_mutex_unlock(&gPomelo->_theMagic->mMutex);
}
void CCPomeloImpl::disconnectedCallback(pc_client_t *client, const char *event, void *data)
{
_PomeloEvent* rst = new _PomeloEvent();
rst->event = event;
gPomelo->_theMagic->pushEvent(rst);
free(data); //data === NULL ?? fixme
}
CCPomeloImpl::~CCPomeloImpl()
{
//just in case
stop();
}
CCPomeloImpl::CCPomeloImpl()
:mStatus(EPomeloStopped),
mClient(NULL),
mAsyncConnUser(NULL),
mAsyncConnDispatchPending(false),
mAsyncConn(NULL),
#if CCX3
mDisconnectCB(NULL)
#else
mDisconnectCbTarget(NULL),
mDisconnectCbSelector(NULL)
#endif
{
//paused by default
#if CCX3
CCDirector::getInstance()->getScheduler()->scheduleSelector(schedule_selector(CCPomeloImpl::ccDispatcher), this, 0, true);
#else
CCDirector::sharedDirector()->getScheduler()->scheduleSelector(schedule_selector(CCPomeloImpl::ccDispatcher), this, 0, true);
#endif
pthread_mutex_init(&mMutex, NULL);
}
CCPomeloStatus CCPomeloImpl::status() const
{
return mStatus;
}
int CCPomeloImpl::connect(const char* host, int port)
{
if(mStatus == EPomeloStopping)
return -1;
struct sockaddr_in address;
memset(&address, 0, sizeof(struct sockaddr_in));
address.sin_family = AF_INET;
address.sin_port = htons(port);
unsigned long vf_addr_ = inet_addr(host);
if(vf_addr_ == INADDR_NONE)
{
struct hostent *pHostEnt= NULL;
pHostEnt = gethostbyname(host);
if(pHostEnt != NULL)
{
vf_addr_ = *((unsigned long*)pHostEnt->h_addr_list[0]);
}
}
address.sin_addr.s_addr = vf_addr_;
//stop any connection
stop();
mClient = pc_client_new();
int ret = pc_client_connect(mClient, &address);
if(ret)
{
pc_client_destroy(mClient);
mClient = NULL;
}
else
{
mStatus = EPomeloConnected;
pc_add_listener(mClient, PC_EVENT_DISCONNECT, disconnectedCallback);
#if CCX3
CCDirector::getInstance()->getScheduler()->resumeTarget(this);
#else
CCDirector::sharedDirector()->getScheduler()->resumeTarget(this);
#endif
}
return ret;
}
#if CCX3
int CCPomeloImpl::connectAsnyc(const char* host, int port, const PomeloAsyncConnCallback& callback)
{
if(mStatus == EPomeloStopping)
return -1;
struct sockaddr_in address;
memset(&address, 0, sizeof(struct sockaddr_in));
address.sin_family = AF_INET;
address.sin_port = htons(port);
unsigned long vf_addr_ = inet_addr(host);
if(vf_addr_ == INADDR_NONE)
{
struct hostent *pHostEnt= NULL;
pHostEnt = gethostbyname(host);
if(pHostEnt != NULL)
{
vf_addr_ = *((unsigned long*)pHostEnt->h_addr_list[0]);
}
}
address.sin_addr.s_addr = vf_addr_;
stop();
mClient = pc_client_new();
mAsyncConn = pc_connect_req_new(&address);
int ret = pc_client_connect2(mClient, mAsyncConn, connectAsnycCallback);
if(ret)
{
pc_connect_req_destroy(mAsyncConn);
pc_client_destroy(mClient);
mClient = NULL;
mAsyncConn = NULL;
}
else
{
mStatus = EPomeloConnecting;
mAsyncConnUser = new _PomeloUser();
mAsyncConnUser->connCB = callback;
}
return ret;
}
int CCPomeloImpl::setDisconnectedCallback(const std::function<void()>& callback)
{
if(mStatus != EPomeloConnected)
return -1;
mDisconnectCB = callback;
return 0;
}
int CCPomeloImpl::request(const char* route, const std::string& msg, const PomeloReqResultCallback& callback)
{
if(mStatus != EPomeloConnected)
return -1;
pc_request_t *req = pc_request_new();
_PomeloUser* user = new _PomeloUser();
user->reqCB = callback;
mReqUserMap[req] = user; //ownership transferred
json_error_t err;
json_t* j = json_loads(msg.c_str(), JSON_COMPACT, &err);
int ret = pc_request(mClient, req, route, j, requestCallback);
//json_decref(j);
return ret;
}
int CCPomeloImpl::notify(const char* route, const std::string& msg, const PomeloNtfResultCallback& callback)
{
if(mStatus != EPomeloConnected)
return -1;
pc_notify_t *ntf = pc_notify_new();
_PomeloUser* user = new _PomeloUser();
user->ntfCB = callback;
mNtfUserMap[ntf] = user; //ownership transferred
json_error_t err;
json_t* j = json_loads(msg.c_str(), JSON_COMPACT, &err);
int ret = pc_notify(mClient, ntf, route, j, notifyCallback);
//json_decref(j);
return ret;
}
int CCPomeloImpl::addListener(const char* event, const PomeloEventCallback& callback)
{
if(mStatus != EPomeloConnected)
return -1;
removeListener(event);
int ret = pc_add_listener(mClient, event, eventCallback);
if(ret == 0)
{
_PomeloUser *user = new _PomeloUser();
user->evtCB = callback;
mEventUserMap[event] = user;
}
return ret;
}
#else
int CCPomeloImpl::connectAsnyc(const char* host, int port, cocos2d::CCObject* pCallbackTarget, PomeloAsyncConnHandler pCallbackSelector)
{
struct sockaddr_in address;
memset(&address, 0, sizeof(struct sockaddr_in));
address.sin_family = AF_INET;
address.sin_port = htons(port);
unsigned long vf_addr_ = inet_addr(host);
if(vf_addr_ == INADDR_NONE)
{
struct hostent *pHostEnt= NULL;
pHostEnt = gethostbyname(host);
if(pHostEnt != NULL)
{
vf_addr_ = *((unsigned long*)pHostEnt->h_addr_list[0]);
}
}
address.sin_addr.s_addr = vf_addr_;
stop();
mClient = pc_client_new();
mAsyncConn = pc_connect_req_new(&address);
int ret = pc_client_connect2(mClient, mAsyncConn, connectAsnycCallback);
if(ret)
{
pc_connect_req_destroy(mAsyncConn);
pc_client_destroy(mClient);
mClient = NULL;
mAsyncConn = NULL;
}
else
{
mStatus = EPomeloConnecting;
mAsyncConnUser = new _PomeloUser();
mAsyncConnUser->target = pCallbackTarget;
mAsyncConnUser->connSel = pCallbackSelector;
}
return ret;
}
int CCPomeloImpl::request(const char* route, const std::string& msg, cocos2d::CCObject* pCallbackTarget, PomeloReqResultHandler pCallbackSelector)
{
if(mStatus != EPomeloConnected)
return -1;
pc_request_t *req = pc_request_new();
_PomeloUser* user = new _PomeloUser();
user->target = pCallbackTarget;
user->reqSel = pCallbackSelector;
mReqUserMap[req] = user; //ownership transferred
json_error_t err;
json_t* j = json_loads(msg.c_str(), JSON_COMPACT, &err);
int ret = pc_request(mClient, req, route, j, requestCallback);
//json_decref(j);
return ret;
}
int CCPomeloImpl::notify(const char* route, const std::string& msg, cocos2d::CCObject* pCallbackTarget, PomeloNtfResultHandler pCallbackSelector)
{
if(mStatus != EPomeloConnected)
return -1;
pc_notify_t *ntf = pc_notify_new();
_PomeloUser* user = new _PomeloUser();
user->target = pCallbackTarget;
user->ntfSel = pCallbackSelector;
mNtfUserMap[ntf] = user; //ownership transferred
json_error_t err;
json_t* j = json_loads(msg.c_str(), JSON_COMPACT, &err);
int ret = pc_notify(mClient, ntf, route, j, notifyCallback);
//json_decref(j);
return ret;
}
int CCPomeloImpl::setDisconnectedCallback(cocos2d::CCObject* pTarget, cocos2d::SEL_CallFunc pSelector)
{
if(mStatus != EPomeloConnected)
return -1;
mDisconnectCbTarget = pTarget;
mDisconnectCbSelector = pSelector;
return 0;
}
int CCPomeloImpl::addListener(const char* event, cocos2d::CCObject* pCallbackTarget, PomeloEventHandler pCallbackSelector)
{
if(mStatus != EPomeloConnected)
return -1;
removeListener(event);
int ret = pc_add_listener(mClient, event, eventCallback);
if(ret == 0)
{
_PomeloUser *user = new _PomeloUser();
user->target = pCallbackTarget;
user->evtSel = pCallbackSelector;
mEventUserMap[event] = user;
}
return ret;
}
#endif
void CCPomeloImpl::removeListener(const char* event)
{
if(mEventUserMap.find(event) != mEventUserMap.end())
{
pc_remove_listener(mClient, event, eventCallback);
delete mEventUserMap[event];
mEventUserMap.erase(event);
}
}
void CCPomeloImpl::removeAllListeners()
{
if(!mEventUserMap.empty())
{
map<string,_PomeloUser*>::iterator it;
for (it = mEventUserMap.begin(); it != mEventUserMap.end(); it++)
{
string event = (*it).first;
pc_remove_listener(mClient, event.c_str(), eventCallback);
delete mEventUserMap[event];
}
}
mEventUserMap.clear();
//drop all pending callback events
pthread_mutex_lock(&mMutex);
clearAllPendingEvents();
pthread_mutex_unlock(&mMutex);
}
void CCPomeloImpl::stop()
{
pthread_mutex_lock(&mMutex);
switch (mStatus) {
case EPomeloStopped:
//do nothing
break;
case EPomeloStopping:
//do nothing
break;
case EPomeloConnecting:
case EPomeloConnected:
{
CCPomeloStatus status = mStatus;
mStatus = EPomeloStopping; //标记为停止中
if(status == EPomeloConnecting)
{
/*
在libpomelo仍处于连接过程中销毁pc_connect_t或pc_client_t，会导致libuv崩溃。
*/
//libuv crashes if we destory pc_connect_t or destory
//pc_client_t when libpomelo is connecting
//so we simply create a new pc_client_t and ignore
//the old pc_connect_t
}
else //EPomeloConnected
{
pc_remove_listener(mClient, PC_EVENT_DISCONNECT, disconnectedCallback);
/*
注意：pc_client_destroy()内部会触发所有未完成的request/notify的回调。CCPomeloWrapper会将这些回调以【同步方式】扔回给客户端。
*/
pc_client_destroy(mClient);
}
mAsyncConn = NULL;
mClient = NULL;
mStatus = EPomeloStopped; //重置标记
//release resources
delete mAsyncConnUser;
mAsyncConnUser = NULL;
mAsyncConnDispatchPending = false;
clearReqResource();
clearNtfResource();
clearAllPendingEvents();
#if CCX3
CCDirector::getInstance()->getScheduler()->pauseTarget(this);
#else
CCDirector::sharedDirector()->getScheduler()->pauseTarget(this);
#endif
break;
}
default:
break;
}
pthread_mutex_unlock(&mMutex);
}
void CCPomeloImpl::clearReqResource()
{
map<pc_request_t*, _PomeloUser*>::iterator reqIt;
for (reqIt = mReqUserMap.begin(); reqIt != mReqUserMap.end(); reqIt++)
{
pc_request_t* req = (*reqIt).first;
_PomeloUser* user = (*reqIt).second;
//fixme
//pc_request_destroy does NOT deal with req->msg
//so we need to free it manually
json_decref(req->msg);
pc_request_destroy(req);
delete user;
}
mReqUserMap.clear();
_PomeloRequestResult* reqRst = NULL;
while((reqRst = popReqResult(false)))
{
delete reqRst;
}
queue<_PomeloRequestResult*> empty;
swap(mReqResultQueue, empty);
}
void CCPomeloImpl::clearNtfResource()
{
map<pc_notify_t*, _PomeloUser*>::iterator it;
for (it = mNtfUserMap.begin(); it != mNtfUserMap.end(); it++)
{