Refactor of the documentation

1 files changed, 100 insertions, 0 deletions

diff --git a/bindings/tutorial/tuto-2.c b/bindings/tutorial/tuto-2.c
new file mode 100644
index 00000000..dc2d55ab
--- /dev/null
+++ b/bindings/tutorial/tuto-2.c
@@ -0,0 +1,100 @@
+#include <string.h>
+#include <json-c/json.h>
+
+#define AFB_BINDING_VERSION 2
+#include <afb/afb-binding.h>
+
+afb_event event_login, event_logout;
+
+void login(afb_req 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_fail(req, "bad-request", NULL);
+        } else if (afb_req_context_get(req)) {
+                AFB_REQ_ERROR(req, "login, bad state, logout first");
+                afb_req_fail(req, "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_fail(req, "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_success(req, NULL, NULL);
+                afb_event_push(event_login, json_object_new_string(usr));
+        }
+}
+
+void action(afb_req 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_success(req, json_object_get(args), NULL);
+}
+
+void logout(afb_req 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_success(req, NULL, NULL);
+}
+
+int preinit()
+{
+        AFB_NOTICE("preinit");
+        return 0;
+}
+
+int init()
+{
+        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_v2 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_v2 afbBindingV2 = {
+        .api = "tuto-2",
+        .specification = NULL,
+        .verbs = verbs,
+        .preinit = preinit,
+        .init = init,
+        .noconcurrency = 0
+};
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