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Basic client disconnect event support for plugins.

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This commit is contained in:
Roger A. Light 2020-11-05 10:52:21 +00:00
parent 4d6384c758
commit c5fee09c24
4 changed files with 47 additions and 4 deletions
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9
include/mosquitto_broker.h
View File

@ -56,6 +56,7 @@ enum mosquitto_plugin_event {
MOSQ_EVT_MESSAGE = 7,
MOSQ_EVT_PSK_KEY = 8,
MOSQ_EVT_TICK = 9,
MOSQ_EVT_DISCONNECT = 10,
};
/* Data for the MOSQ_EVT_RELOAD event */
@ -152,6 +153,14 @@ struct mosquitto_evt_tick {
void *future2[4];
};
/* Data for the MOSQ_EVT_DISCONNECT event */
struct mosquitto_evt_disconnect {
void *future;
struct mosquitto *client;
int reason;
void *future2[4];
};
/* Callback definition */
typedef int (*MOSQ_FUNC_generic_callback)(int, void *, void *);

2
src/context.c
View File

@ -202,6 +202,8 @@ void context__disconnect(struct mosquitto_db *db, struct mosquitto *context)
return;
}
plugin__handle_disconnect(db, context, -1);
net__socket_close(db, context);
context__send_will(db, context);

10
src/mosquitto_broker_internal.h
View File

@ -227,15 +227,16 @@ struct mosquitto__callback{
};
struct plugin__callbacks{
struct mosquitto__callback *reload;
struct mosquitto__callback *tick;
struct mosquitto__callback *acl_check;
struct mosquitto__callback *basic_auth;
struct mosquitto__callback *ext_auth_start;
struct mosquitto__callback *ext_auth_continue;
struct mosquitto__callback *control;
struct mosquitto__callback *disconnect;
struct mosquitto__callback *ext_auth_continue;
struct mosquitto__callback *ext_auth_start;
struct mosquitto__callback *message;
struct mosquitto__callback *tick;
struct mosquitto__callback *psk_key;
struct mosquitto__callback *reload;
};
struct mosquitto__security_options {
@ -802,6 +803,7 @@ void listeners__reload_all_certificates(struct mosquitto_db *db);
* Plugin related functions
* ============================================================ */
int plugin__load_v5(struct mosquitto__listener *listener, struct mosquitto__auth_plugin *plugin, struct mosquitto_opt *auth_options, int auth_option_count, void *lib);
void plugin__handle_disconnect(struct mosquitto_db *db, struct mosquitto *context, int reason);
int plugin__handle_message(struct mosquitto_db *db, struct mosquitto *context, struct mosquitto_msg_store *stored);
void LIB_ERROR(void);
void plugin__handle_tick(struct mosquitto_db *db);

30
src/plugin.c
View File

@ -101,6 +101,30 @@ int plugin__load_v5(struct mosquitto__listener *listener, struct mosquitto__auth
}
void plugin__handle_disconnect(struct mosquitto_db *db, struct mosquitto *context, int reason)
{
struct mosquitto_evt_disconnect event_data;
struct mosquitto__callback *cb_base;
struct mosquitto__security_options *opts;
if(db->config->per_listener_settings){
if(context->listener == NULL){
return;
}
opts = &context->listener->security_options;
}else{
opts = &db->config->security_options;
memset(&event_data, 0, sizeof(event_data));
}
event_data.client = context;
event_data.reason = reason;
DL_FOREACH(opts->plugin_callbacks.disconnect, cb_base){
cb_base->cb(MOSQ_EVT_DISCONNECT, &event_data, cb_base->userdata);
}
}
int plugin__handle_message(struct mosquitto_db *db, struct mosquitto *context, struct mosquitto_msg_store *stored)
{
struct mosquitto_evt_message event_data;
@ -223,6 +247,9 @@ int mosquitto_callback_register(
case MOSQ_EVT_TICK:
cb_base = &security_options->plugin_callbacks.tick;
break;
case MOSQ_EVT_DISCONNECT:
cb_base = &security_options->plugin_callbacks.disconnect;
break;
default:
return MOSQ_ERR_NOT_SUPPORTED;
break;
@ -290,6 +317,9 @@ int mosquitto_callback_unregister(
case MOSQ_EVT_TICK:
cb_base = &security_options->plugin_callbacks.tick;
break;
case MOSQ_EVT_DISCONNECT:
cb_base = &security_options->plugin_callbacks.disconnect;
break;
default:
return MOSQ_ERR_INVAL;
break;