void DataSocket::postDisConnect()
{
if (mEventLoop != nullptr)
{
DataSocket::PTR tmp = this;
mEventLoop->pushAsyncProc([=](){
tmp->procCloseInLoop();
});
}
}
void SSDBMultiClient::sendPing(DataSocket::PTR ds)
{
DBServerUserData* dbUserData = (DBServerUserData*)ds->getUserData();
if (dbUserData->pingTime > 0)
{
SSDBProtocolRequest sr;
sr.init();
sr.appendStr("ping");
sr.endl();
ds->send(sr.getResult(), sr.getResultLen());
/*自动发送的ping操作，也要模拟一个完成回调，不然会导致业务上的请求乱序*/
queue<std::function<void(const string& response)>>* callbacklist = dbUserData->callbacklist;
callbacklist->push(nullptr);
dbUserData->pingTimer = mNetService.getTimerMgr().AddTimer(dbUserData->pingTime, [this, ds](){
sendPing(ds);
});
}
}
void SSDBMultiClient::startNetThread(std::function<void(void)> frameCallback)
{
if (mNetThread == nullptr)
{
mRunIOLoop = true;
mNetThread = new thread([&, frameCallback](){
while (mRunIOLoop)
{
mNetService.loop(1);
mRequestList.SyncRead(0);
RequestMsg tmp;
while (mRequestList.PopFront(&tmp))
{
if (!mBackends.empty())
{
/* 随机选择一个服务器 */
DataSocket::PTR client = mBackends[rand() % mBackends.size()];
DBServerUserData* dbUserData = (DBServerUserData*)client->getUserData();
queue<std::function<void(const string& response)>>* callbacklist = dbUserData->callbacklist;
callbacklist->push(tmp.callback);
client->send(tmp.content.c_str(), tmp.content.size());
}
else
{
forgeError("no server", tmp.callback);
}
}
mLogicFunctorMQ.ForceSyncWrite();
/* TODO::目前只在通知队列里有数据时，才调用帧回调--可在其中唤醒主线程--就无需把外部mainloop设置到此类 */
if (mLogicFunctorMQ.SharedListSize() > 0 && frameCallback != nullptr)
{
frameCallback();
}
}
});
}
}
int main(int argc, char** argv)
{
if (argc != 5)
{
fprintf(stderr, "Usage: <server ip> <server port> <session num> <packet size>\n");
exit(-1);
}
std::string ip = argv[1];
int client_num = atoi(argv[2]);
int packet_len = atoi(argv[3]);
int port_num = atoi(argv[4]);
ox_socket_init();
EventLoop mainLoop;
/* 客户端IO线程 */
std::thread* ts = new std::thread([&mainLoop, client_num, packet_len, port_num, ip]{
printf("start one client thread \n");
/* 客户端eventloop*/
EventLoop clientEventLoop;
char* senddata = (char*)malloc(packet_len);
/* 消息包大小定义 */
atomic_llong packet_num = ATOMIC_VAR_INIT(0);
atomic_llong total_recv = ATOMIC_VAR_INIT(0);
TimerMgr tm;
for (int i = 0; i < client_num; i++)
{
int client = ox_socket_connect(ip.c_str(), port_num);
ox_socket_nodelay(client);
DataSocket::PTR pClient = new DataSocket(client, 1024 * 1024);
pClient->setEnterCallback([&](DataSocket::PTR ds){
LongPacket sp(1);
sp.writeINT64((int64_t)ds);
sp.writeBinary(senddata, packet_len);
for (int i = 0; i < 1; ++i)
{
ds->send(sp.getData(), sp.getLen());
}
/* 可以放入消息队列，然后唤醒它主线程的eventloop，然后主线程通过消息队列去获取*/
ds->setDataCallback([&total_recv, &packet_num](DataSocket::PTR ds, const char* buffer, size_t len){
const char* parse_str = buffer;
int total_proc_len = 0;
int left_len = len;
while (true)
{
bool flag = false;
if (left_len >= sizeof(sizeof(uint16_t) + sizeof(uint16_t)))
{
ReadPacket rp(parse_str, left_len);
uint16_t packet_len = rp.readINT16();
if (left_len >= packet_len && packet_len >= (sizeof(uint16_t) + sizeof(uint16_t)))
{
total_recv += packet_len;
packet_num++;
ReadPacket rp(parse_str, packet_len);
rp.readINT16();
rp.readINT16();
int64_t addr = rp.readINT64();
if (addr == (int64_t)(ds))
{
ds->send(parse_str, packet_len);
}
total_proc_len += packet_len;
parse_str += packet_len;
left_len -= packet_len;
flag = true;
}
}
if (!flag)
{
break;
}
}
return total_proc_len;
});
ds->setDisConnectCallback([](DataSocket::PTR arg){
delete arg;
});
});
clientEventLoop.pushAsyncProc([&, pClient](){
if (!pClient->onEnterEventLoop(&clientEventLoop))
{
delete pClient;
}
});
}
int64_t now = ox_getnowtime();
while (true)
{
clientEventLoop.loop(tm.NearEndMs());
tm.Schedule();
if ((ox_getnowtime() - now) >= 1000)
{
cout << "total recv:" << (total_recv / 1024) / 1024 << " M /s" << " , num " << packet_num << endl;
now = ox_getnowtime();
total_recv = 0;
packet_num = 0;
}
}
});
ts->join();
}
void SSDBMultiClient::addConnection(sock fd, string ip, int port, int pingTime, bool isAutoConnection)
{
ox_socket_nodelay(fd);
DataSocket::PTR ds = new DataSocket(fd, 32 * 1024 * 1024);
DBServerUserData* dbUserData = new DBServerUserData;
dbUserData->ip = ip;
dbUserData->port = port;
dbUserData->pingTime = pingTime;
dbUserData->isAutoConnection = isAutoConnection;
dbUserData->callbacklist = new queue<std::function<void(const string& response)>>();
dbUserData->p = parse_tree_new();
ds->setUserData((int64_t)dbUserData);
ds->setEnterCallback([this](DataSocket::PTR ds){
DBServerUserData* dbUserData = (DBServerUserData*)ds->getUserData();
mBackends.push_back(ds);
ds->setCheckTime(dbUserData->pingTime);
sendPing(ds);
});
ds->setDataCallback([&](DataSocket::PTR ds, const char* buffer, size_t len){
const char* parse_str = buffer;
DBServerUserData* dbUserData = (DBServerUserData*)ds->getUserData();
while (parse_str < (buffer + len))
{
/* TODO::检测是否redis协议， 并编写redis reply到ssdb reply的转换 */
char c = parse_str[0];
int packet_len = 0;
if (c == '+' ||
c == '-' ||
c == ':' ||
c == '$' ||
c == '*')
{
if (dbUserData->p == nullptr)
{
dbUserData->p = parse_tree_new();
}
char* parseEndPos = (char*)parse_str;
int parseRet = parse(dbUserData->p, &parseEndPos, (char*)buffer + len);
if (parseRet == REDIS_OK)
{
packet_len = (parseEndPos - parse_str);
}
else if (parseRet == REDIS_RETRY)
{
}
else
{
assert(false);
}
parse_tree_del(dbUserData->p);
dbUserData->p = nullptr;
}
else
{
packet_len = SSDBProtocolResponse::check_ssdb_packet(parse_str, (len - (parse_str - buffer)));
}
if (packet_len > 0)
{
/* 取出等待的异步回调，并将response附加给它，再投递给逻辑线程去执行 */
queue<std::function<void(const string& response)>>* callbacklist = dbUserData->callbacklist;
assert(!callbacklist->empty());
if (!callbacklist->empty())
{
auto& callback = callbacklist->front();
if (callback != nullptr)
{
std::shared_ptr<string > response = std::make_shared<string>(parse_str, packet_len);
mLogicFunctorMQ.Push([callback, response](){
callback(*response);
});
}
callbacklist->pop();
}
parse_str += packet_len;
}
else
{
break;
}
}
return parse_str - buffer;
});
ds->setDisConnectCallback([&](DataSocket::PTR arg){
DBServerUserData* dbUserData = (DBServerUserData*)arg->getUserData();
queue<std::function<void(const string& response)>>* callbacklist = dbUserData->callbacklist;
while (!callbacklist->empty())
{
forgeError("server close", callbacklist->front());
callbacklist->pop();
}
cout << "disconnect of " << dbUserData->ip << " port " << dbUserData->port << endl;
if (dbUserData->isAutoConnection)
{
asyncConnection(dbUserData->ip, dbUserData->port, dbUserData->pingTime, dbUserData->isAutoConnection);
}
Timer::Ptr timer = dbUserData->pingTimer.lock();
if (timer != nullptr)
{
timer->Cancel();
}
delete dbUserData->callbacklist;
if (dbUserData->p != nullptr)
{
parse_tree_del(dbUserData->p);
}
delete dbUserData;
for (size_t i = 0; i < mBackends.size(); ++i)
{
if (mBackends[i] == arg)
{
mBackends.erase(mBackends.begin() + i);
}
}
delete arg;
});
mNetService.pushAsyncProc([&, ds](){
if (!ds->onEnterEventLoop(&mNetService))
{
delete ds;
}
});
}
