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Support immediate notify of connection listener.

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Also only perform immediate notification to the callback actually
requesting the notification, not all existing callbacks.

Offset returned uids by 1 so uid=0 can be used to indicate immediate
notification.
This commit is contained in:
Peter Johnson
2015-08-28 00:13:56 -07:00
parent 302cc064c6
commit b488cdd6ff
10 changed files with 65 additions and 23 deletions
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17
src/Notifier.h
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@@ -39,12 +39,14 @@ class Notifier {
EntryListenerCallback callback);
void RemoveEntryListener(unsigned int entry_listener_uid);
void NotifyEntry(StringRef name, std::shared_ptr<Value> value, bool is_new);
void NotifyEntry(StringRef name, std::shared_ptr<Value> value, bool is_new,
EntryListenerCallback only = nullptr);
unsigned int AddConnectionListener(ConnectionListenerCallback callback);
void RemoveConnectionListener(unsigned int conn_listener_uid);
void NotifyConnection(bool connected, const ConnectionInfo& conn_info);
void NotifyConnection(bool connected, const ConnectionInfo& conn_info,
ConnectionListenerCallback only = nullptr);
private:
Notifier();
@@ -60,21 +62,24 @@ class Notifier {
struct EntryNotification {
EntryNotification(StringRef name_, std::shared_ptr<Value> value_,
bool is_new_)
: name(name_), value(value_), is_new(is_new_) {}
bool is_new_, EntryListenerCallback only_)
: name(name_), value(value_), is_new(is_new_), only(only_) {}
std::string name;
std::shared_ptr<Value> value;
bool is_new;
EntryListenerCallback only;
};
std::queue<EntryNotification> m_entry_notifications;
struct ConnectionNotification {
ConnectionNotification(bool connected_, const ConnectionInfo& conn_info_)
: connected(connected_), conn_info(conn_info_) {}
ConnectionNotification(bool connected_, const ConnectionInfo& conn_info_,
ConnectionListenerCallback only_)
: connected(connected_), conn_info(conn_info_), only(only_) {}
bool connected;
ConnectionInfo conn_info;
ConnectionListenerCallback only;
};
std::queue<ConnectionNotification> m_conn_notifications;