#include <string.h> #include <json-c/json.h> #define AFB_BINDING_VERSION 3 #include <afb/afb-binding> afb::event event_login, event_logout; void login(afb_req_t r) { json_object *args, *user, *passwd; char *usr; afb::req req(r); args = req.json(); if (!json_object_object_get_ex(args, "user", &user) || !json_object_object_get_ex(args, "password", &passwd)) { AFB_REQ_ERROR(req, "login, bad request: %s", json_object_get_string(args)); req.fail("bad-request"); } else if (afb_req_context_get(req)) { AFB_REQ_ERROR(req, "login, bad state, logout first"); req.fail("bad-state"); } else if (strcmp(json_object_get_string(passwd), "please")) { AFB_REQ_ERROR(req, "login, unauthorized: %s", json_object_get_string(args)); req.fail("unauthorized"); } else { usr = strdup(json_object_get_string(user)); AFB_REQ_NOTICE(req, "login user: %s", usr); req.session_set_LOA(1); // req.context(1, nullptr, free, usr); req.success(); event_login.push(json_object_new_string(usr)); } } void action(afb_req_t r) { json_object *args, *val; char *usr; afb::req req(r); args = req.json(); // usr = (char*)req.context_get(); usr = nullptr; AFB_REQ_NOTICE(req, "action for user %s: %s", usr, json_object_get_string(args)); if (json_object_object_get_ex(args, "subscribe", &val)) { if (json_object_get_boolean(val)) { AFB_REQ_NOTICE(req, "user %s subscribes to events", usr); req.subscribe(event_login); req.subscribe(event_logout); } else { AFB_REQ_NOTICE(req, "user %s unsubscribes to events", usr); req.unsubscribe(event_login); req.unsubscribe(event_logout); } } req.success(json_object_get(args)); } void logout(afb_req_t r) { char *usr; afb::req req(r); // usr = (char*)req.context_get(); usr = nullptr; AFB_REQ_NOTICE(req, "login user %s out", usr); event_logout.push(json_object_new_string(usr)); req.session_set_LOA(0); // req.context_clear(); req.success(); } int init( #if AFB_BINDING_VERSION >= 3 afb_api_t api #endif ) { AFB_NOTICE("init"); event_login = afb_daemon_make_event("login"); event_logout = afb_daemon_make_event("logout"); if (afb_event_is_valid(event_login) && afb_event_is_valid(event_logout)) return 0; AFB_ERROR("Can't create events"); return -1; } const afb_verb_t verbs[] = { afb::verb("login", login, "log in the system"), afb::verb("action", action, "perform an action", AFB_SESSION_LOA_1), afb::verb("logout", logout, "log out the system", AFB_SESSION_LOA_1), afb::verbend() }; const afb_binding_t afbBindingExport = afb::binding("tuto-3", verbs, "third tutorial: C++", init);