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make AssignmentClient use event loop, closes #1291

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This commit is contained in:
Stephen Birarda 2013-11-26 16:20:35 -06:00
parent 1e3ab1a201
commit d21583d9c5
2 changed files with 18 additions and 80 deletions
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90
assignment-client/src/AssignmentClient.cpp
View file

@ -6,6 +6,8 @@
// Copyright (c) 2013 HighFidelity, Inc. All rights reserved.
//
#include <QtCore/QTimer>
#include <Assignment.h>
#include <Logging.h>
#include <NodeList.h>
@ -17,21 +19,15 @@
#include "AssignmentClient.h"
const char ASSIGNMENT_CLIENT_TARGET_NAME[] = "assignment-client";
const long long ASSIGNMENT_REQUEST_INTERVAL_USECS = 1 * 1000 * 1000;
const long long ASSIGNMENT_REQUEST_INTERVAL_MSECS = 1 * 1000;
AssignmentClient::AssignmentClient(int &argc, char **argv,
Assignment::Type requestAssignmentType,
const sockaddr_in& customAssignmentServerSocket,
const char* requestAssignmentPool) :
QCoreApplication(argc, argv),
_requestAssignmentType(requestAssignmentType),
_customAssignmentServerSocket(customAssignmentServerSocket),
_requestAssignmentPool(requestAssignmentPool)
_requestAssignment(Assignment::RequestCommand, requestAssignmentType, requestAssignmentPool)
{
}
int AssignmentClient::exec() {
// set the logging target to the the CHILD_TARGET_NAME
Logging::setTargetName(ASSIGNMENT_CLIENT_TARGET_NAME);
@ -39,74 +35,18 @@ int AssignmentClient::exec() {
NodeList* nodeList = NodeList::createInstance(NODE_TYPE_UNASSIGNED);
// set the custom assignment socket if we have it
if (_customAssignmentServerSocket.sin_addr.s_addr != 0) {
nodeList->setAssignmentServerSocket((sockaddr*) &_customAssignmentServerSocket);
if (customAssignmentServerSocket.sin_addr.s_addr != 0) {
nodeList->setAssignmentServerSocket((sockaddr*) &customAssignmentServerSocket);
}
// change the timeout on the nodelist socket to be as often as we want to re-request
nodeList->getNodeSocket()->setBlockingReceiveTimeoutInUsecs(ASSIGNMENT_REQUEST_INTERVAL_USECS);
// call a timer function every ASSIGNMENT_REQUEST_INTERVAL_MSECS to ask for assignment, if required
qDebug() << "Waiting for assignment -" << _requestAssignment << "\n";
timeval lastRequest = {};
unsigned char packetData[MAX_PACKET_SIZE];
ssize_t receivedBytes = 0;
sockaddr_in senderSocket = {};
// create a request assignment, accept assignments defined by the overidden type
Assignment requestAssignment(Assignment::RequestCommand, _requestAssignmentType, _requestAssignmentPool);
qDebug() << "Waiting for assignment -" << requestAssignment << "\n";
while (true) {
if (usecTimestampNow() - usecTimestamp(&lastRequest) >= ASSIGNMENT_REQUEST_INTERVAL_USECS) {
gettimeofday(&lastRequest, NULL);
// if we're here we have no assignment, so send a request
nodeList->sendAssignment(requestAssignment);
}
if (nodeList->getNodeSocket()->receive((sockaddr*) &senderSocket, packetData, &receivedBytes) &&
(packetData[0] == PACKET_TYPE_DEPLOY_ASSIGNMENT || packetData[0] == PACKET_TYPE_CREATE_ASSIGNMENT)
&& packetVersionMatch(packetData)) {
// construct the deployed assignment from the packet data
Assignment* deployedAssignment = AssignmentFactory::unpackAssignment(packetData, receivedBytes);
qDebug() << "Received an assignment -" << *deployedAssignment << "\n";
// switch our nodelist domain IP and port to whoever sent us the assignment
if (packetData[0] == PACKET_TYPE_CREATE_ASSIGNMENT) {
nodeList->setDomainIP(QHostAddress((sockaddr*) &senderSocket));
nodeList->setDomainPort(ntohs(senderSocket.sin_port));
nodeList->setOwnerUUID(deployedAssignment->getUUID());
qDebug("Destination IP for assignment is %s\n", nodeList->getDomainIP().toString().toStdString().c_str());
// run the deployed assignment
deployedAssignment->run();
} else {
qDebug("Received a bad destination socket for assignment.\n");
}
qDebug("Assignment finished or never started - waiting for new assignment\n");
// delete the deployedAssignment
delete deployedAssignment;
// reset our NodeList by switching back to unassigned and clearing the list
nodeList->setOwnerType(NODE_TYPE_UNASSIGNED);
nodeList->reset();
// set the NodeList socket back to blocking
nodeList->getNodeSocket()->setBlocking(true);
// reset the logging target to the the CHILD_TARGET_NAME
Logging::setTargetName(ASSIGNMENT_CLIENT_TARGET_NAME);
}
}
return 0;
QTimer* timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), SLOT(sendAssignmentRequest()));
timer->start(ASSIGNMENT_REQUEST_INTERVAL_MSECS);
}
void AssignmentClient::sendAssignmentRequest() {
NodeList::getInstance()->sendAssignment(_requestAssignment);
}

8
assignment-client/src/AssignmentClient.h
View file

@ -18,12 +18,10 @@ public:
Assignment::Type requestAssignmentType = Assignment::AllTypes,
const sockaddr_in& customAssignmentServerSocket = sockaddr_in(),
const char* requestAssignmentPool = NULL);
int exec();
private slots:
void sendAssignmentRequest();
private:
Assignment::Type _requestAssignmentType;
sockaddr_in _customAssignmentServerSocket;
const char* _requestAssignmentPool;
Assignment _requestAssignment;
};
#endif /* defined(__hifi__AssignmentClient__) */