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Restructure and more generic plugin API for backend

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This commit is contained in:
Olof hagsand 2018-04-02 19:27:57 +02:00
parent 7fbd95d491
commit b9a54f07f3
19 changed files with 570 additions and 629 deletions
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85
example/example_backend.c
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@ -77,6 +77,7 @@ transaction_commit(clicon_handle h,
int i;
size_t len;
clicon_debug(1, "%s", __FUNCTION__);
/* Get all added i/fs */
if (xpath_vec_flag(target, "//interface", XML_FLAG_ADD, &vec, &len) < 0)
return -1;
@ -191,39 +192,6 @@ plugin_statedata(clicon_handle h,
return retval;
}
/*! Plugin initialization. Create rpc callbacks
* plugin_init is called as soon as the plugin has been loaded and is
* assumed initialize the plugin's internal state if any as well as register
* any callbacks, configuration dependencies.
*/
int
plugin_init(clicon_handle h)
{
int retval = -1;
if (notification_timer_setup(h) < 0)
goto done;
/* Register callback for routing rpc calls */
if (backend_rpc_cb_register(h, fib_route,
NULL,
"fib-route"/* Xml tag when callback is made */
) < 0)
goto done;
if (backend_rpc_cb_register(h, route_count,
NULL,
"route-count"/* Xml tag when callback is made */
) < 0)
goto done;
if (backend_rpc_cb_register(h, empty,
NULL,
"empty"/* Xml tag when callback is made */
) < 0)
goto done;
retval = 0;
done:
return retval;
}
/*! Plugin state reset. Add xml or set state in backend machine.
* Called in each backend plugin. plugin_reset is called after all plugins
* have been initialized. This give the application a chance to reset
@ -279,3 +247,54 @@ plugin_start(clicon_handle h,
{
return 0;
}
clixon_plugin_api *clixon_plugin_init(clicon_handle h);
static clixon_plugin_api api = {
"example", /* name */
clixon_plugin_init, /* init */
plugin_start, /* start */
NULL, /* exit */
NULL, /* auth */
plugin_reset, /* reset */
plugin_statedata, /* statedata */
NULL, /* trans begin */
transaction_validate,/* trans validate */
NULL, /* trans complete */
transaction_commit, /* trans commit */
NULL, /* trans end */
NULL /* trans abort */
};
/*! Backend plugin initialization
* @param[in] h Clixon handle
* @retval NULL Error with clicon_err set
* @retval api Pointer to API struct
*/
clixon_plugin_api *
clixon_plugin_init(clicon_handle h)
{
clicon_debug(1, "%s backend", __FUNCTION__);
if (notification_timer_setup(h) < 0)
goto done;
/* Register callback for routing rpc calls */
if (backend_rpc_cb_register(h, fib_route,
NULL,
"fib-route"/* Xml tag when callback is made */
) < 0)
goto done;
if (backend_rpc_cb_register(h, route_count,
NULL,
"route-count"/* Xml tag when callback is made */
) < 0)
goto done;
if (backend_rpc_cb_register(h, empty,
NULL,
"empty"/* Xml tag when callback is made */
) < 0)
goto done;
return &api;
done:
return NULL;
}