gfwleak/stellar-stellar-2022
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Modify the implementation of the plugin manager take over

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A plugin that is taken over, if the plugin was called before being taken over
    and has a registered SESSION_EVENT_CLOSING event,
    it will be called again when the SESSION_EVENT_CLOSING event comes.
    Otherwise, the plugin will not be called.
This commit is contained in:
luwenpeng
2022-08-09 16:00:06 +08:00
parent 0f7468b994
commit 9df6bf07af
6 changed files with 55 additions and 31 deletions
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14
sdk/include/plugin.h
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@@ -22,12 +22,18 @@ typedef void plugin_exit_callback(void);
void pm_session_dettach_me(const struct stellar_session *session);
/*
* The current plugin takes over the current session, the pm_session_take_over setting flag disables other plugins,
* The current plugin(cb2) takes over the current session, the pm_session_take_over setting flag disables other plugins,
* and the current session does not call other plugins except for the SESSION_EVENT_CLOSING event.
*
* The current plugin may be taken over while the session is open (SESSION_EVENT_OPENING),
* other plugins event_cb is not called, the session pme on other plugins is NULL,
* When the session is closed (SESSION_EVENT_CLOSING), call other plugin even_cb to destroy pme must check if pme is NULL.
* +-----+ +-----+ +-----+ +-----+
* Plugin runtime callback list: | cb1 |-->| cb2 |-->| cb3 |-->| cb4 |
* +-----+ +-----+ +-----+ +-----+
* /|\
* |
* plugin cb2 run pm_session_take_over
*
* A plugin(cb1/cb3/cb4) that is taken over, if the plugin was called before being taken over and has a registered SESSION_EVENT_CLOSING event,
* it will be called again when the SESSION_EVENT_CLOSING event comes. Otherwise, the plugin will not be called.
*/
void pm_session_take_over(const struct stellar_session *session);