Remoto - VFS
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VFS_pulse provides an event pulse that can be subscribed to. More...
#include <VFS_pulse.h>
Public Member Functions | |
Q_INVOKABLE | VFS_pulse (int interval=1000) |
virtual | ~VFS_pulse () |
virtual bool | isContainer () |
A VFS_pulse node cannot contain children. More... | |
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Q_INVOKABLE | VFS_node () |
The VFS_node constructor will add its instance to the VFS_node::__allNodes global node registry, observing thread safety rules. More... | |
virtual | ~VFS_node () |
VFS_node destructor. More... | |
virtual VFS_node * | append (QString name, VFS_node *node, bool containerCheck=true, QString user="server") |
Append a VFS_node as a child of this node. More... | |
QString | className () |
Return the class name of a node. More... | |
virtual VFS_request * | createRequest (VFS_request::requestType type, QString path, QString user="unknown", QJsonDocument data=QJsonDocument(), QJsonObject metadata=QJsonObject(), bool dontDelete=false) |
Create a new VFS_request with this object as _origin. More... | |
VFS_node * | find (QString path) |
Find a node by string path. More... | |
virtual VFS_node * | find (VFS_request *r) |
Find a node using a VFS_request. More... | |
VFS_node * | findChildWithName (QString name) |
Check if a child with a given name exists. More... | |
virtual VFS_node * | mount () |
Mount this node. More... | |
virtual QString | reportDetails () |
Additional details for a generated report. More... | |
QString | uniqueChildName (QString name) |
Generate a unique child name. More... | |
virtual VFS_node * | unmount () |
Unmount this node. More... | |
virtual bool | validChildName (QString name) |
Check if a node name is valid. More... | |
Protected Slots | |
void | startPulse () |
Start generating pulses. More... | |
void | stopPulse () |
Stop pulsing. More... | |
Protected Member Functions | |
virtual void | read (VFS_request *r) |
Read the current time. More... | |
virtual void | timerEvent (QTimerEvent *event) |
When this timer event occurs, generate a VFS_request and emit it. More... | |
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virtual void | aclDefaults (VFS_request *r) |
Return default values and features associated wth this node. More... | |
void | addACLDefault (QJsonObject &acl, bool value, QString description="") |
Add a default value to the acl object. More... | |
void | addACLFeature (QJsonObject &acl, QString feature, bool value, QString description="") |
Add a feature to the acl object. More... | |
void | addACLFeatureGroup (QJsonObject &acl, QString feature, QString group, bool value) |
Add a feature group to the acl object. More... | |
void | addACLFeatureUser (QJsonObject &acl, QString feature, QString user, bool value) |
Add a feature user to the acl object. More... | |
void | addACLGroup (QJsonObject &acl, QString group, bool value) |
Add a group to the acl object. More... | |
void | addACLUser (QJsonObject &acl, QString user, bool value) |
Add a user to the acl object. More... | |
virtual QByteArray | icon () |
Fetch the icon for a node. More... | |
virtual void | issueRequest (VFS_node *target, VFS_request *t) |
Issue a VFS_request to its target. More... | |
virtual void | issueRequest (VFS_request *t) |
A convenience function. More... | |
virtual void | issueResponse (VFS_request *t) |
Once a request has been completed, issue a response. More... | |
virtual void | ls (VFS_request *r) |
List the contents of this node. More... | |
virtual void | metadata (VFS_request *r) |
Fetch the metadata of this node. More... | |
virtual void | releaseLock (VFS_request *r) |
Release a lock on this node. More... | |
virtual void | report (VFS_request *r) |
Report debugging information about the current state of this node. More... | |
virtual void | requestLock (VFS_request *r) |
Request a lock on this node. More... | |
virtual void | rm (VFS_request *r) |
Remove a child entry from a node, or the node itself. More... | |
virtual void | submit (VFS_request *r) |
Submit a diff to a node. More... | |
virtual void | subscribe (VFS_request *r) |
Add an entry to this node's _subscription list. More... | |
virtual void | unsubscribe (VFS_request *r) |
Remove an entry from this node's _subscription list. More... | |
virtual void | unsubscribePath (QString path) |
Unsubscribe all references to a subpath. More... | |
virtual void | write (VFS_request *r) |
Write data to this node. More... | |
Protected Attributes | |
int | _interval |
The frequency of the pulse, in milliseconds. More... | |
int | _timerID |
The timerID returned by QObject::startTimer() More... | |
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VFS_children | _children |
This node's children. More... | |
QMutex | _lock |
A recursive mutex that is local to this node. More... | |
VFS_subscriptionType | _subscribers |
This node's subscribers. These subscribers will receive diff notifications. More... | |
Additional Inherited Members | |
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virtual void | applyDiff (VFS_request *r) |
Apply a diff received via subscription. More... | |
virtual void | executeRequest (VFS_request *t) |
Based on the VFS_request::requestType, execute the function associated with an operation. More... | |
void | notifySubscribers (VFS_node *origin, VFS_request *t) |
Propagate a diff to subscribers. More... | |
virtual void | receiveResponse (VFS_request *t) |
Once a VFS_request has been completed, a response will be issued back to its _origin. More... | |
void | remove (bool andDelete) |
Remove a child node. More... | |
virtual void | remove (VFS_node *node=nullptr, QString *name=nullptr, QString user="server") |
Remove a child node from this node. More... | |
virtual void | subtreeRequest (VFS_request *t) |
find() the target of a VFS_request, and execute the request More... | |
virtual void | unsubscribeAll (VFS_node *n) |
Remove all references to a subscriber from this node. More... | |
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void | diff (VFS_node *origin, VFS_request *t) |
Emit a diff, which will trigger notifySubscribers() for a mounted node. More... | |
void | finished (bool andDelete=false) |
Emitted if a thread fails to create its node, or a node is rm()'d, or any other reason a node has completed its lifecycle. It is deleted if andDelete==true . More... | |
void | mounted () |
Emitted when a node is mount()ed. More... | |
void | unmounted (VFS_node *self) |
Emitted when a node is unmount()ed. More... | |
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static bool | __isNode (VFS_node *) |
Check to see if a node is in the global registry. More... | |
static QString | code (QString nodename, QString libname, QString &error) |
Fetch code or any other resource from a node. More... | |
VFS_pulse provides an event pulse that can be subscribed to.
Sometimes when debugging, a developer needs incoming events to test functionality. VFS_pulse will generate events at an interval to subscribers for this purpose.
When a pulse event occurs, subscribers will receive:
Definition at line 6 of file VFS_pulse.h.
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explicit |
interval | In milliseconds |
Note that the pulse will not start until the VFS emits an initialized()
signal.
Definition at line 30 of file VFS_pulse.cpp.
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virtual |
Definition at line 40 of file VFS_pulse.cpp.
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virtual |
A VFS_pulse node cannot contain children.
Reimplemented from VFS_node.
Definition at line 50 of file VFS_pulse.cpp.
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protectedvirtual |
Read the current time.
r | The VFS_request object |
Reimplemented from VFS_node.
Definition at line 90 of file VFS_pulse.cpp.
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protectedslot |
Start generating pulses.
Definition at line 59 of file VFS_pulse.cpp.
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protectedslot |
Stop pulsing.
Definition at line 74 of file VFS_pulse.cpp.
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protectedvirtual |
When this timer event occurs, generate a VFS_request and emit it.
Definition at line 106 of file VFS_pulse.cpp.
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protected |
The frequency of the pulse, in milliseconds.
Definition at line 17 of file VFS_pulse.h.
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protected |
The timerID returned by QObject::startTimer()
Definition at line 18 of file VFS_pulse.h.