diff options
Diffstat (limited to 'bindings/tutorials/tuto-2.c')
| -rw-r--r-- | bindings/tutorials/tuto-2.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/bindings/tutorials/tuto-2.c b/bindings/tutorials/tuto-2.c new file mode 100644 index 00000000..10797081 --- /dev/null +++ b/bindings/tutorials/tuto-2.c @@ -0,0 +1,100 @@ +#include <string.h> +#include <json-c/json.h> + +#define AFB_BINDING_VERSION 3 +#include <afb/afb-binding.h> + +afb_event_t event_login, event_logout; + +void login(afb_req_t req) +{ + json_object *args, *user, *passwd; + char *usr; + + args = afb_req_json(req); + 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)); + afb_req_reply(req, NULL, "bad-request", NULL); + } else if (afb_req_context_get(req)) { + AFB_REQ_ERROR(req, "login, bad state, logout first"); + afb_req_reply(req, NULL, "bad-state", NULL); + } else if (strcmp(json_object_get_string(passwd), "please")) { + AFB_REQ_ERROR(req, "login, unauthorized: %s", json_object_get_string(args)); + afb_req_reply(req, NULL, "unauthorized", NULL); + } else { + usr = strdup(json_object_get_string(user)); + AFB_REQ_NOTICE(req, "login user: %s", usr); + afb_req_session_set_LOA(req, 1); + afb_req_context_set(req, usr, free); + afb_req_reply(req, NULL, NULL, NULL); + afb_event_push(event_login, json_object_new_string(usr)); + } +} + +void action(afb_req_t req) +{ + json_object *args, *val; + char *usr; + + args = afb_req_json(req); + usr = afb_req_context_get(req); + 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); + afb_req_subscribe(req, event_login); + afb_req_subscribe(req, event_logout); + } else { + AFB_REQ_NOTICE(req, "user %s unsubscribes to events", usr); + afb_req_unsubscribe(req, event_login); + afb_req_unsubscribe(req, event_logout); + } + } + afb_req_reply(req, json_object_get(args), NULL, NULL); +} + +void logout(afb_req_t req) +{ + char *usr; + + usr = afb_req_context_get(req); + AFB_REQ_NOTICE(req, "login user %s out", usr); + afb_event_push(event_logout, json_object_new_string(usr)); + afb_req_session_set_LOA(req, 0); + afb_req_context_clear(req); + afb_req_reply(req, NULL, NULL, NULL); +} + +int preinit(afb_api_t api) +{ + AFB_API_NOTICE(api, "preinit"); + return 0; +} + +int init(afb_api_t api) +{ + AFB_API_NOTICE(api, "init"); + event_login = afb_api_make_event(api, "login"); + event_logout = afb_api_make_event(api, "logout"); + if (afb_event_is_valid(event_login) && afb_event_is_valid(event_logout)) + return 0; + AFB_API_ERROR(api, "Can't create events"); + return -1; +} + +const afb_verb_t verbs[] = { + { .verb="login", .callback=login }, + { .verb="action", .callback=action, .session=AFB_SESSION_LOA_1 }, + { .verb="logout", .callback=logout, .session=AFB_SESSION_LOA_1 }, + { .verb=NULL } +}; + +const afb_binding_t afbBindingExport = { + .api = "tuto-2", + .specification = NULL, + .verbs = verbs, + .preinit = preinit, + .init = init, + .noconcurrency = 0 +};
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