bool
ListenerWorker::onUpdateTimer(void* args)
{
UInt32 currTime = TimeUtil::getTimeSec();
if (currTime - mLastSecurityCheckTime >= 300000)
{
mLastSecurityCheckTime = currTime;
for (Set<TcpConnection*>::Iter* iter = mMainConnectionSet.begin(); iter != NULL;)
{
TcpConnection* conn = iter->mValue;
if (conn)
{
if (currTime - conn->getRecvTimeStamp() >=
CLIENT_CONNECTION_SECURITY_CHECK_INTERVAL)
{
LOG_WARN("Connection [%s:%u] was closed for timeout.",
conn->getFromIp().c_str(), conn->getFromPort());
LYNX_DEREGISTER_RECEIVED(conn, this, &ListenerWorker::onMainReceived);
LYNX_DEREGISTER_CONNECT_BROKEN(conn, this, &ListenerWorker::onMainDisconnected);
conn->close();
iter = mMainConnectionSet.erase(iter);
XDELETE(conn);
}
else
{
iter = mMainConnectionSet.next(iter);
}
}
}
for (Set<TcpConnection*>::Iter* iter = mGMConnectionSet.begin(); iter != NULL;)
{
TcpConnection* conn = iter->mValue;
if (conn)
{
if (currTime - conn->getRecvTimeStamp() >=
CLIENT_CONNECTION_SECURITY_CHECK_INTERVAL)
{
LOG_WARN("Connection [%s:%u] was closed for timeout.",
conn->getFromIp().c_str(), conn->getFromPort());
LYNX_DEREGISTER_RECEIVED(conn, this, &ListenerWorker::onGMReceived);
LYNX_DEREGISTER_CONNECT_BROKEN(conn, this, &ListenerWorker::onGMDisconnected);
conn->close();
iter = mGMConnectionSet.erase(iter);
XDELETE(conn);
}
else
{
iter = mGMConnectionSet.next(iter);
}
}
}
}
return true;
}
err_t TcpConnection::staticOnReceive(void *arg, tcp_pcb *tcp, pbuf *p, err_t err)
{
// debugf("Static OnReceive buf = %d", tcp_sndbuf(tcp));
TcpConnection* con = (TcpConnection*)arg;
err_t ret_err;
//Serial.println("echo_recv!");
if (con == NULL)
{
if (p != NULL)
{
/* Inform TCP that we have taken the data. */
tcp_recved(tcp, p->tot_len);
pbuf_free(p);
}
closeTcpConnection(tcp);
return ERR_OK;
}
else
con->sleep = 0;
if (err != ERR_OK /*&& err != ERR_CLSD && err != ERR_RST*/)
{
debugf("Received ERROR %d", err);
/* exit and free resources, for unkown reason */
if (p != NULL)
{
/* Inform TCP that we have taken the data. */
tcp_recved(tcp, p->tot_len);
pbuf_free(p);
}
closeTcpConnection(tcp); // ??
con->tcp = NULL;
con->onError(err);
//con->close();
return err == ERR_ABRT ? ERR_ABRT : ERR_OK;
}
//if (tcp != NULL && tcp->state == ESTABLISHED) // If active
/* We have taken the data. */
if (p != NULL)
tcp_recved(tcp, p->tot_len);
err_t res = con->onReceive(p);
if (p != NULL)
pbuf_free(p);
else
{
con->close();
closeTcpConnection(tcp);
}
con->checkSelfFree();
//debugf("<staticOnReceive");
return res;
}
//主动关闭连接
void NetWork::close(int handle)
{
TRACE(__PRETTY_FUNCTION__);
TcpConnection *conn = _online_user.getconn(handle);
if (conn != NULL) {
//从kqueue/epoll中线拿出来，防止再触发事件，导致各种复杂耦合
_sock_event->remove_event(conn);
//判断removeconn的返回值，主线程和业务线程同时调用close时，产生conn->close重复调用
if (_online_user.removeconn(handle)) {
conn->close();
}
conn->release();
}
return;
}
int Network::Server::initConnection(const char* host, const char* port)
{
if (strlen(host) > INET6_ADDRSTRLEN || strlen(port) > MAX_PORT_LENGTH )
{
DEBUGPRINT("SERVER ERROR:\t Invalid port or host length to init\n");
return -2;
}
if (host == NULL || port == NULL)
{
DEBUGPRINT("SERVER ERROR:\t Invalid arguments to init\n");
}
LOGPRINT("SERVER STATUS:\t Connection to host:%s:%s\n", host, port);
addrinfo l_hints, *l_result, *l_p;
int l_resvalue = -1;
memset(&l_hints, 0, sizeof(struct addrinfo) );
l_hints.ai_family = AF_UNSPEC;
l_hints.ai_socktype = SOCK_STREAM;
if ((l_resvalue = getaddrinfo(host, port, &l_hints, &l_result)) == -1)
{
DEBUGPRINT("SERVER ERROR:\t Could not get addrinfo: %s\n", gai_strerror(l_resvalue));
return -1;
}
TcpConnection * conn = new TcpConnection();
if (conn == NULL)
{
DEBUGPRINT("SERVER ERROR:\t Could not create new TCP Connection\n");
return -1;
}
for (l_p = l_result; l_p != NULL; l_p = l_p->ai_next)
{
if ((l_resvalue =conn->socket(l_p)) != 0)
{
if (l_resvalue == -1)
{
DEBUGPRINT("SERVER ERROR:\t Could not connect socket trying next\n");
} else if (l_resvalue == -2)
{
DEBUGPRINT("SERVER ERROR:\t Argument error to socket\n");
} else
{
DEBUGPRINT("SERVER ERROR:\t Invalid Return\n");
}
continue;
}
if ((l_resvalue = conn->connect(l_p)) != 0)
{
if (l_resvalue == -1)
{
DEBUGPRINT("SERVER ERROR:\t Could not connect to server/port\n");
} else if (l_resvalue == -2)
{
DEBUGPRINT("SERVER ERROR:\t Argument error to connect\n");
} else {
DEBUGPRINT("SERVER ERROR:\t Invalid return\n");
}
conn->close();
continue;
}
break;
}
if (l_p == NULL)
{
DEBUGPRINT("SERVER FAILURE:\t Failed to connect to %s:%s\n", host, port);
return -1;
}
int fileDesc = conn->getSocketFd();
int enable = 1;
if (setsockopt(fileDesc, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int)) == -1)
{
return -1;
}
if ( setnonblock(fileDesc) == -1)
{
DEBUGPRINT("SERVER ERROR:\t Could not set socket to non-blocking\n");
}
if( addHandler(fileDesc, EPOLLET|EPOLLIN|EPOLLHUP, conn ) == -1)
{
DEBUGPRINT("SERVER ERROR:\t Could not add handler to tcpConnection\n");
return -1;
}
return fileDesc;
}