本文整理汇总了C++中TaskInfo::has_data方法的典型用法代码示例。如果您正苦于以下问题：C++ TaskInfo::has_data方法的具体用法？C++ TaskInfo::has_data怎么用？C++ TaskInfo::has_data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TaskInfo的用法示例。
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示例1: launchTask
//when the task before starting,
//it should check task.data() to determin
//what it will do, whether copy config?
//whether start fileserver?
//
//task.data() here format is :
//<isInitialMonNode>.<TaskType>
void CephExecutor::launchTask(ExecutorDriver* driver, const TaskInfo& task)
{
//set class member localSharedConfDirRoot
string cmd = "echo ~";
string r = runShellCommand(cmd);
localSharedConfigDirRoot = r == " " ? r :"/root";
LOG(INFO) << "localSharedConfigDirRoot is " << localSharedConfigDirRoot;
bool needCopyConfig = true;
bool needStartFileServer = false;
int taskType;
if (task.has_data()){
LOG(INFO) << "Got TaskInfo data: " << task.data();
vector<string> tokens = StringUtil::explode(task.data(),'.');
//split by '.', the first part is isInitialMonNode,
//second part is used for task type
if (tokens[0] == "1"){
needCopyConfig = false;
}
taskType = lexical_cast<int>(tokens[1]);
}
string localMountDir = localSharedConfigDirRoot +
"/" +localConfigDirName;
TaskStatus status;
status.mutable_task_id()->MergeFrom(task.task_id());
//make local shared dir, all type of task need this:
//TODO: check if already exists valid dirctory tree
if (!createLocalSharedConfigDir(localConfigDirName)) {
LOG(INFO) << "created local shared directory failed!";
status.set_state(TASK_FAILED);
driver->sendStatusUpdate(status);
return;
}
LOG(INFO) << "Create directory tree done.";
//mount shared local dir
if (needCopyConfig) {
string abPath = localMountDir + "/"
+ "/etc/ceph/";
if (!copySharedConfigDir(abPath)) {
LOG(INFO) << "Copy shared config file failed!";
status.set_state(TASK_FAILED);
driver->sendStatusUpdate(status);
return;
}
LOG(INFO) << "Copy config files done.";
}
//run docker command for MON and RADOSGW
string cName = getContainerName(task.task_id().value());
//set class member containerName, and myTaskId
//TODO: see if put these in registed is more proper
containerName = cName;
myTaskId = task.task_id();
//TODO: kill existing container in case conflict
runShellCommand("docker rm -f " + containerName);
string dockerCommand;
switch (taskType) {
case static_cast<int>(TaskType::MON):
needStartFileServer = true;
dockerCommand = constructMonCommand(
localMountDir,
cName);
downloadDockerImage("ceph/mon");
break;
case static_cast<int>(TaskType::OSD):
downloadDockerImage("ceph/osd");
//Will get osdId in FrameworkMessage
dockerCommand = "";
status.set_state(TASK_STARTING);
driver->sendStatusUpdate(status);
return;
case static_cast<int>(TaskType::RADOSGW):
downloadDockerImage("ceph/radosgw");
dockerCommand = constructRADOSGWCommand(
localMountDir,
cName);
break;
}
if (needStartFileServer) {
thread fileServerThread(fileServer,
7777,
localSharedConfigDirRoot + "/" + localConfigDirName + "/etc/ceph/");
fileServerThread.detach();
LOG(INFO) << "Mon fileserver started";
}
LOG(INFO) << "Stating container with command: ";
LOG(INFO) << dockerCommand;
//.........这里部分代码省略.........