本文整理汇总了C++中TConnection::notifyIOThread方法的典型用法代码示例。如果您正苦于以下问题：C++ TConnection::notifyIOThread方法的具体用法？C++ TConnection::notifyIOThread怎么用？C++ TConnection::notifyIOThread使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TConnection的用法示例。
在下文中一共展示了TConnection::notifyIOThread方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: handleEvent
/**
* Server socket had something happen. We accept all waiting client
* connections on fd and assign TConnection objects to handle those requests.
*/
void TNonblockingServer::handleEvent(int fd, short which) {
(void) which;
// Make sure that libevent didn't mess up the socket handles
assert(fd == serverSocket_);
// Server socket accepted a new connection
socklen_t addrLen;
sockaddr_storage addrStorage;
sockaddr* addrp = (sockaddr*)&addrStorage;
addrLen = sizeof(addrStorage);
// Going to accept a new client socket
int clientSocket;
// Accept as many new clients as possible, even though libevent signaled only
// one, this helps us to avoid having to go back into the libevent engine so
// many times
while ((clientSocket = ::accept(fd, addrp, &addrLen)) != -1) {
// If we're overloaded, take action here
if (overloadAction_ != T_OVERLOAD_NO_ACTION && serverOverloaded()) {
Guard g(connMutex_);
nConnectionsDropped_++;
nTotalConnectionsDropped_++;
if (overloadAction_ == T_OVERLOAD_CLOSE_ON_ACCEPT) {
::close(clientSocket);
return;
} else if (overloadAction_ == T_OVERLOAD_DRAIN_TASK_QUEUE) {
if (!drainPendingTask()) {
// Nothing left to discard, so we drop connection instead.
::close(clientSocket);
return;
}
}
}
// Explicitly set this socket to NONBLOCK mode
int flags;
if ((flags = fcntl(clientSocket, F_GETFL, 0)) < 0 ||
fcntl(clientSocket, F_SETFL, flags | O_NONBLOCK) < 0) {
GlobalOutput.perror("thriftServerEventHandler: set O_NONBLOCK (fcntl) ", errno);
::close(clientSocket);
return;
}
// Create a new TConnection for this client socket.
TConnection* clientConnection =
createConnection(clientSocket, addrp, addrLen);
// Fail fast if we could not create a TConnection object
if (clientConnection == NULL) {
GlobalOutput.printf("thriftServerEventHandler: failed TConnection factory");
::close(clientSocket);
return;
}
/*
* Either notify the ioThread that is assigned this connection to
* start processing, or if it is us, we'll just ask this
* connection to do its initial state change here.
*
* (We need to avoid writing to our own notification pipe, to
* avoid possible deadlocks if the pipe is full.)
*
* The IO thread #0 is the only one that handles these listen
* events, so unless the connection has been assigned to thread #0
* we know it's not on our thread.
*/
if (clientConnection->getIOThreadNumber() == 0) {
clientConnection->transition();
} else {
clientConnection->notifyIOThread();
}
// addrLen is written by the accept() call, so needs to be set before the next call.
addrLen = sizeof(addrStorage);
}
// Done looping accept, now we have to make sure the error is due to
// blocking. Any other error is a problem
if (errno != EAGAIN && errno != EWOULDBLOCK) {
GlobalOutput.perror("thriftServerEventHandler: accept() ", errno);
}
}