void* firstLineThread(void* args)
{
MyThreadArgs* mta = (MyThreadArgs*) args; //get the arguments
int sock = mta->getSock(); //set them to local variables
MyQueue* mq = mta->getQueue();
char buff[PATH_MAX + 1]; //set a buffer for the name
memset(buff, '\0', PATH_MAX + 1); //initialise it
readName(sock, buff); //read the name of the request
if(!mq->increaseFirstLineThreads()) //if you can, increase the number of workerThreads
{ //if not, it means it's no longer active, so
sendNumber(sock, 0); //send a negative response
sendNumber(sock, 0);
if(close(sock) == -1) //close the socket
perror("close");
delete mta; //free the memory
pthread_detach(pthread_self()); //detach the thread
pthread_exit(NULL); //and exit
}
if(strcmp(buff, "exit") == 0) //if you receive exit command
{
sendNumber(sock, 0); //send negative response
sendNumber(sock, 0);
mq->deactivate(); //deactivate the queue
mq->decreaseFirstLineThreads(); //decrease the active worker threads
if(close(sock) == -1) //close the socket
perror("close");
pthread_t pt; //create the terminator
pthread_create(&pt, NULL, terminator, args);
pthread_detach(pthread_self()); //detach yourself
pthread_exit(NULL); //and exit
}
delete mta; //free the memory of arguments you no longer need
MyINodeList myFiles, myDirectories;
if(buff[0] == '/') //check if the path is relative or absolute
getDirectoryItems(buff, "", &myFiles, &myDirectories); //and fill the lists with files and directories
else
getDirectoryItems(buff, "./", &myFiles, &myDirectories);
int numberOfFiles = myFiles.length(); //get the number of files contained
int numberOfDirectories = myDirectories.length(); //and the number of directories
std::cout << "[" << pthread_self() << "]: " << myDirectories.length() << " directories containing " << myFiles.length() << " files to be sent to: " << sock << std::endl << std::endl;
//let the user know
sendNumber(sock, numberOfDirectories); //send the number of directories to the client
sendNumber(sock, numberOfFiles); //and the number of files
while(!myDirectories.isEmpty()) //send the directories to the client
{
sendDirectory(sock, myDirectories.getTop());
myDirectories.removeTopEntry();
}
pthread_mutex_t* m = new pthread_mutex_t; //create a mutex for this client
int* i = new int; //and a counter for jobs done
*i = 0;
pthread_mutex_init(m, NULL); //initialize the mutex
while(!myFiles.isEmpty())
{
MyINode* mind = myFiles.popTop(); //print info
std::cout << "[" << pthread_self() << "]: " << "Adding <" << mind->getName() << ", " << sock << "> to queue." << std::endl;
MyJob* mj = new MyJob(mind, sock, m, i, numberOfFiles); //create jobs
mq->insertEntry(mj); //add them to the queue
}
mq->decreaseFirstLineThreads(); //decrease active FirstLineThreads
pthread_detach(pthread_self()); //detach yourself
pthread_exit(NULL); //and exit
}
