/**
* This is used by the client application program to mount a remote server.
* @param srvIpOrDomName the name or the IP address of the server to mount
* @param srvPort port number in the server to mount
* @param localFolderName local name of the folder given to the mounted files
* @return 0 on success and -1 otherwise
*/
int fsMount(const char *srvIpOrDomName, const unsigned int srvPort, const char *localFolderName) {
// do similar stuff as ass1 client app
// save ip address and port number for subsequent remote calls
#ifdef _DEBUG_CLI_
printf("Calling fsMount to server\n");
#endif
remote_folder_server *newServer;
if ((newServer = findServerByFolderName(localFolderName)) != NULL) {
// printf("Server %s already exists as %s\n", localFolderName, newServer->localFolderName);
errno = EEXIST;
return -1;
}
return_type ans = make_remote_call( srvIpOrDomName,
(int)srvPort,
"fsMount", 1,
strlen(localFolderName), (void *)(localFolderName));
int containsError;
int returnedValue;
memcpy(&containsError, ans.return_val, sizeof(int));
memcpy(&returnedValue, ans.return_val+sizeof(int), sizeof(int));
if (containsError == 0) {
//save id
#ifdef _DEBUG_CLI_
printf("Successfully returned, given clientID: %d\n", returnedValue);
#endif
newServer = (remote_folder_server*)malloc(sizeof(remote_folder_server));
newServer->localFolderName = (char*)malloc(strlen(localFolderName));
newServer->srvIpOrDomName = (char*)malloc(strlen(srvIpOrDomName));
newServer->clientId = (int*) malloc(sizeof(int));
*newServer->clientId = returnedValue;
newServer->srvPort = srvPort;
newServer->next = NULL;
strcpy(newServer->localFolderName, localFolderName);
strcpy(newServer->srvIpOrDomName, srvIpOrDomName);
addNewServer(newServer);
return 0;
}
errno = returnedValue;
return -1;
}
OptionsServerPage::OptionsServerPage(DVRServerRepository *serverRepository, QWidget *parent)
: OptionsDialogPage(parent), m_serverRepository(serverRepository)
{
Q_ASSERT(m_serverRepository);
QBoxLayout *mainLayout = new QVBoxLayout(this);
QBoxLayout *topLayout = new QHBoxLayout;
mainLayout->addLayout(topLayout);
/* Servers list */
m_serversView = new QTreeView;
m_model = new DVRServersModel(serverRepository, false, m_serversView);
m_proxyModel = new DVRServersProxyModel(m_model);
m_proxyModel->setDynamicSortFilter(true);
m_proxyModel->setSourceModel(m_model);
m_proxyModel->sort(0);
m_serversView->setModel(m_proxyModel);
m_serversView->header()->setHighlightSections(false);
m_serversView->header()->setResizeMode(QHeaderView::ResizeToContents);
m_serversView->header()->setResizeMode(0, QHeaderView::Stretch);
m_serversView->header()->setStretchLastSection(false);
m_serversView->setEditTriggers(QAbstractItemView::NoEditTriggers);
m_serversView->setMinimumSize(480, 150);
m_serversView->setSelectionBehavior(QAbstractItemView::SelectRows);
m_serversView->setSelectionMode(QAbstractItemView::SingleSelection);
m_serversView->setItemsExpandable(false);
m_serversView->setRootIsDecorated(false);
topLayout->addWidget(m_serversView);
connect(m_serversView->selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)),
SLOT(currentServerChanged(QModelIndex,QModelIndex)));
/* Editing area */
QGridLayout *editsLayout = new QGridLayout;
mainLayout->addLayout(editsLayout);
QLabel *label = new QLabel(tr("Name:"));
editsLayout->addWidget(label, 0, 0, Qt::AlignRight);
m_nameEdit = new QLineEdit;
editsLayout->addWidget(m_nameEdit, 0, 1);
label = new QLabel(tr("Hostname:"));
editsLayout->addWidget(label, 1, 0, Qt::AlignRight);
QBoxLayout *hnLayout = new QBoxLayout(QBoxLayout::LeftToRight);
m_hostnameEdit = new QLineEdit;
hnLayout->addWidget(m_hostnameEdit);
m_portEdit = new QLineEdit;
m_portEdit->setValidator(new QIntValidator(1, 65535, m_portEdit));
m_portEdit->setFixedWidth(50);
hnLayout->addWidget(m_portEdit);
m_portChecker = new WebRtpPortCheckerWidget;
hnLayout->addWidget(m_portChecker);
editsLayout->addLayout(hnLayout, 1, 1);
label = new QLabel(tr("Connection Type:"));
editsLayout->addWidget(label, 2, 0, Qt::AlignRight);
m_connectionType = new QComboBox;
m_connectionType->addItem(tr("RTSP"));
m_connectionType->addItem(tr("MJPEG"));
editsLayout->addWidget(m_connectionType, 2, 1);
label = new QLabel(tr("Username:"******"Password:"******"Connect Automatically"));
m_autoConnect->setChecked(true);
editsLayout->addWidget(m_autoConnect, 3, 1, 1, 1);
/* Errors */
m_connectionStatus = new QLabel;
m_connectionStatus->setAlignment(Qt::AlignCenter);
//m_connectionStatus->setContentsMargins(4, 4, 4, 4);
m_connectionStatus->setVisible(false);
mainLayout->addWidget(m_connectionStatus);
/* Buttons */
QFrame *line = new QFrame;
line->setFrameStyle(QFrame::HLine | QFrame::Sunken);
mainLayout->addWidget(line);
QBoxLayout *btnLayout = new QHBoxLayout;
mainLayout->addLayout(btnLayout);
QPushButton *newBtn = new QPushButton(tr("Add Server"));
newBtn->setAutoDefault(false);
connect(newBtn, SIGNAL(clicked()), SLOT(addNewServer()));
btnLayout->addWidget(newBtn);
QPushButton *delBtn = new QPushButton(tr("Delete"));
delBtn->setAutoDefault(false);
connect(delBtn, SIGNAL(clicked()), SLOT(deleteServer()));
btnLayout->addWidget(delBtn);
btnLayout->addStretch();
QPushButton *applyBtn = new QPushButton(tr("Apply"));
applyBtn->setAutoDefault(false);
connect(applyBtn, SIGNAL(clicked()), SLOT(saveChanges()));
btnLayout->addWidget(applyBtn);
connect(m_hostnameEdit, SIGNAL(editingFinished()), this, SLOT(checkServer()));
connect(m_portEdit, SIGNAL(editingFinished()), this, SLOT(checkServer()));
}
int
LFRUManager::duplicateMethod(unsigned int serverId) {
unsigned int needSpreadFile;
double minWeight, curWeight;
minWeight = 1000000.0;
string logStr = "server[" + numToString(serverId) + "] is overload";
serverLog.writeSystemLog(logStr);
//get the file need to spread
struct timeval callTime;
gettimeofday(&callTime, NULL);
ostringstream logStream;
for (unsigned int i = 0; i < LFRUFileList.size(); i++) {
if (LFRUFileList[i]->serverId != serverId)
continue;
logStream<<"for server "<<serverId<<",file "<<LFRUFileList[i]->fileId<<endl;
logStream<<"\tcallTime:"<<callTime.tv_sec<<":"<<callTime.tv_usec<<" ";
logStream<<"t0:"<<t0.tv_sec<<":"<<t0.tv_usec<<" ";
logStream<<"vtime:"<<LFRUFileList[i]->vtime.tv_sec<<":"<<
LFRUFileList[i]->vtime.tv_usec<<" ";
logStream<<"count:"<<LFRUFileList[i]->count<<" ";
double fk = getTimeSlips(&callTime, &t0) / (double(LFRUFileList[i]->count * 1000000.0));
double rk = getTimeSlips(&callTime, &(LFRUFileList[i]->vtime)) / 1000000.0;
curWeight = period - getTimeSlips(&callTime, &t0) / 1000000.0;
curWeight = curWeight * rk / (double) period;
curWeight += getTimeSlips(&callTime, &t0) * fk / (1000000.0 * period);
logStream<<"Fk:"<<fk<<",rk:"<<rk<<",weight : "<<curWeight<<" ";
//logStr = "in server[" + numToString(serverId) + "],the count of file " +
//numToString(DWFileList[i]->fileId) + " is " + numToString(curCount);
//serverLog.writeResourceLog(logStr);
if (minWeight > curWeight) {
minWeight = curWeight;
needSpreadFile = LFRUFileList[i]->fileId;
}
logStream<<" minWeight = "<<minWeight<<",need spread file ="<<needSpreadFile<<endl;
}
serverLog.writeResourceLog(logStream.str());
logStr = "server[" + numToString(serverId) + "] chose file[" + numToString(needSpreadFile) + "] to spread";
serverLog.writeResourceLog(logStr);
//choose the machine that have the minLoad and don't have the file
vector<unsigned int > containList;
getServerList(needSpreadFile, containList);
vector<unsigned int> noList;
noList.clear();
for (unsigned int i = 0; i < subServerNum; i++) {
bool isContain = false;
for (unsigned int j = 0; j < containList.size(); j++) {
if (containList[j] == i) {
isContain = true;
break;
}
}
if (isContain == false) {
noList.push_back(i);
}
}
int targetServer = lb->getMinLoadServer(noList);
if (targetServer < 0) {
logStr = "no server to duplicate";
serverLog.writeResourceLog(logStr);
return -1;
}
logStr = "the spread target server is server[" + numToString(targetServer) + "]";
serverLog.writeResourceLog(logStr);
//should have some transport time
lb->addFileToSubServer(needSpreadFile, targetServer);
addNewServer(needSpreadFile, targetServer);
LFRUFileInfo *fileInfo = new LFRUFileInfo(needSpreadFile, targetServer);
if (fileInfo != NULL)
LFRUFileList.push_back(fileInfo);
lb->printFileList();
return 0;
}
