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Add immediate_notify and is_new to entry listener.

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On the callback function, is_new indicates the value is newly added.

On adding a callback function, immediate_notify indicates the callback
should be called once (with is_new=true) for each matching entry that
already exists.
This commit is contained in:
Peter Johnson
2015-07-23 01:02:53 -07:00
parent 79f732f239
commit 6f940bcaaf
4 changed files with 16 additions and 10 deletions
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5
include/ntcore_c.h
View File

@@ -237,14 +237,15 @@ void NT_Flush(void);
typedef void (*NT_EntryListenerCallback)(
unsigned int uid, void *data, const char *name, size_t name_len,
const struct NT_Value *value);
const struct NT_Value *value, int is_new);
typedef void (*NT_ConnectionListenerCallback)(
unsigned int uid, void *data, int connected,
const struct NT_ConnectionInfo *conn);
unsigned int NT_AddEntryListener(const char *prefix, size_t prefix_len,
void *data, NT_EntryListenerCallback callback);
void *data, NT_EntryListenerCallback callback,
int immediate_notify);
void NT_RemoveEntryListener(unsigned int entry_listener_uid);
unsigned int NT_AddConnectionListener(void *data,
NT_ConnectionListenerCallback callback);

6
include/ntcore_cpp.h
View File

@@ -166,13 +166,15 @@ void Flush();
*/
typedef std::function<void(unsigned int uid, StringRef name,
std::shared_ptr<Value> value)> EntryListenerCallback;
std::shared_ptr<Value> value, bool is_new)>
EntryListenerCallback;
typedef std::function<void(unsigned int uid, int connected,
const ConnectionInfo& conn)>
ConnectionListenerCallback;
unsigned int AddEntryListener(StringRef prefix, EntryListenerCallback callback);
unsigned int AddEntryListener(StringRef prefix, EntryListenerCallback callback,
bool immediate_notify);
void RemoveEntryListener(unsigned int entry_listener_uid);
unsigned int AddConnectionListener(ConnectionListenerCallback callback);
void RemoveConnectionListener(unsigned int conn_listener_uid);