Refactored plugin management interface
This commit is contained in:
luwenpeng
@@ -1,97 +1,153 @@
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#include <sys/queue.h>
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#include <time.h>
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#include "deps/uthash/uthash.h"
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#include "sdk/include/session.h"
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#include "sdk/include/plugin.h"
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#include "session_manager.h"
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#include "plugin_manager.h"
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#if 0
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struct session_event_callback
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#include <sys/queue.h>
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#include <assert.h>
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/******************************************************************************
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* CallBack Static Hash Table (For Global)
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******************************************************************************/
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struct session_event_callback_static
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{
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const char *session_name;
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fn_session_event_callback callback;
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TAILQ_ENTRY(session_event_callback) entries;
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UT_hash_handle hh;
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enum session_event_type event;
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fn_session_event_callback *callback;
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};
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TAILQ_HEAD(session_event_callback_list, session_event_callback);
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struct session_event_callback_map
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/*
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* Hast table
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*
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* key: string -> session_type
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* val: array -> event_cbs
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*/
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struct managed_session_event_callback
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{
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struct session_event_callback_list session_ev_cb_list;
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UT_hash_handle hh;
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char session_type[16];
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struct session_event_callback_static event_cbs[0]; // dynamic array
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// Record the number of callback functions that want to process the current session
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int event_cbs_num;
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UT_hash_handle hh;
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};
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/******************************************************************************
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* CallBack Runtime Array (For Per Session)
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******************************************************************************/
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struct session_event_callback_runtime
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{
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int skip; // for skip this plugin callback
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void *callback_args;
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enum session_event_type event;
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fn_session_event_callback *callback;
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};
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struct session_plugin_ctx
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{
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int event_cbs_num;
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struct session_event_callback_runtime event_cbs[0]; // dynamic array
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};
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/******************************************************************************
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* struct plugin_manager
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******************************************************************************/
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/*
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* Each plugin has an init_cb and an exit_cb, but may have multiple entry_cb.
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* entry_cb is stored in the global_session_callback_ctx.
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*/
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struct plugin_ctx
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{
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char *name;
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char *library;
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/*
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* Stores the context generated by the plugin initialization,
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* which is used to release resources when the plugin ends.
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*/
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void *pme;
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plugin_init_callback *init_cb;
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plugin_exit_callback *exit_cb;
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};
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struct plugin_manager
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{
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struct session_event_callback_list fixed_event_cbs[SESSION_TYPE_MAX];
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struct session_event_callback_map *session_ev_cb_map;
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struct managed_session_event_callback *cb_table;
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struct plugin_ctx plugins[MAX_PLUGIN_NUM];
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};
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#endif
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/******************************************************************************
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* Private API
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******************************************************************************/
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struct stellar_plugin_ctx
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static void plugin_manager_handle_opening_event(struct plugin_manager *plug_mgr, struct stellar_event *event)
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{
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void *call_back_arg;
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const struct timeval timeout;
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fn_session_event_callback call_back;
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TAILQ_ENTRY(stellar_plugin_ctx) tqe;
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};
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TAILQ_HEAD(stellar_plugin_ctx_list, stellar_plugin_ctx);
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struct stellar_plugin_data
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{
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stellar_plugin_ctx_list plugin_ctx_list;
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};
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struct plugin_manager_handle *plugin_manager_init()
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{
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return nullptr;
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}
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int plugin_manager_load(const char *plugin_conf_path)
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static void plugin_manager_handle_data_event(struct plugin_manager *plug_mgr, struct stellar_event *event)
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{
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}
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static void plugin_manager_handle_closing_event(struct plugin_manager *plug_mgr, struct stellar_event *event)
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{
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}
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/******************************************************************************
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* Public API
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******************************************************************************/
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struct plugin_manager *plugin_manager_create()
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{
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struct plugin_manager *plug_mgr = NULL;
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return plug_mgr;
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}
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void plugin_manager_destory(struct plugin_manager *plug_mgr)
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{
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if (plug_mgr)
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{
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}
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}
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int plugin_manager_load(struct plugin_manager *plug_mgr, const char *plugin_file)
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{
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return 0;
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}
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int plugin_manager_event_register(struct plugin_manager *h,
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const char *session_type_name,
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fn_session_event_callback call_back,
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const struct timeval *timeout)
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void plugin_manager_unload(struct plugin_manager *plug_mgr)
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{
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}
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int plugin_manager_register(struct plugin_manager *plug_mgr, const char *session_type, fn_session_event_callback *callback)
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{
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return 0;
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}
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void plugin_manager_dispatch(struct plugin_manager *h, struct stellar_event *event)
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void plugin_manager_dispatch(struct plugin_manager *plug_mgr, struct stellar_event *event)
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{
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#if 0
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struct session *s = container_of(event, struct session, cur_ev);
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struct session_event_callback_map *t_map;
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struct session_event_callback *session_ev_cb;
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HASH_FIND(hh, g_plug_mgr.session_ev_cb_map, s->name, strlen(s->name), t_map);
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if(!t_map) return;
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switch (s->state)
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assert(event);
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struct stellar_session_event_data *event_data = event->session_event_data;
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assert(event_data);
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session_event_type type = event_data->type;
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switch (type)
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{
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case SESSION_EVENT_OPENING:
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TAILQ_FOREACH(session_ev_cb, &t_map->session_ev_cb_list, session_event_cb_tq_entries)
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{
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struct session_event *ev = ALLOC(struct session_event, 1);
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ev->callback = session_ev_cb->callback;
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ev->callback(s, SESSION_EVENT_OPENING, NULL, NULL, 0, &ev->cb_pme);
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if(ev->state == 1)
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{
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TAILQ_INSERT_TAIL(&s->ev_list, ev, session_event_tq_entries);
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}
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else
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{
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FREE(&ev);// TODO;
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}
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}
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plugin_manager_handle_opening_event(plug_mgr, event);
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break;
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case SESSION_EVENT_RAWPKT: /* fall through */
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case SESSION_EVENT_ORDPKT: /* fall through */
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case SESSION_EVENT_META: /* fall through */
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plugin_manager_handle_data_event(plug_mgr, event);
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break;
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case SESSION_EVENT_CLOSING:
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plugin_manager_handle_closing_event(plug_mgr, event);
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break;
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default:
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// TODO log error
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break;
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}
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#endif
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return;
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}
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