binding-wrap: Rework of context handling

[src/app-framework-binder.git] / bindings / tutorials / tuto-3.cpp

diff --git a/bindings/tutorials/tuto-3.cpp b/bindings/tutorials/tuto-3.cpp
index 8ad69ef..a257999 100644 (file)
--- a/bindings/tutorials/tuto-3.cpp
+++ b/bindings/tutorials/tuto-3.cpp
@@ -1,3 +1,5 @@
+#include <string>
+
 #include <string.h>
 #include <json-c/json.h>
 
@@ -6,10 +8,20 @@
 
 afb::event event_login, event_logout;
 
+class session
+{
+private:
+       std::string user_;
+public:
+       session(const char *user) : user_(user) {}
+       ~session() {}
+       operator const char *() const { return user_.c_str(); }
+};
+
 void login(afb::req req)
 {
        json_object *args, *user, *passwd;
-       char *usr;
+       const char *usr;
 
        args = req.json();
        if (!json_object_object_get_ex(args, "user", &user)
@@ -23,10 +35,10 @@ void login(afb::req req)
                AFB_REQ_ERROR(req, "login, unauthorized: %s", json_object_get_string(args));
                req.fail("unauthorized");
        } else {
-               usr = strdup(json_object_get_string(user));
+               usr = json_object_get_string(user);
                AFB_REQ_NOTICE(req, "login user: %s", usr);
+               req.context<session>().set(new session(usr));
                req.session_set_LOA(1);
-//             req.context(1, nullptr, free, usr);
                req.success();
                event_login.push(json_object_new_string(usr));
        }
@@ -35,19 +47,17 @@ void login(afb::req req)
 void action(afb::req req)
 {
        json_object *args, *val;
-       char *usr;
+       session &usr = req.context<session>();
 
        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));
+       AFB_REQ_NOTICE(req, "action for user %s: %s", (const char*)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_NOTICE(req, "user %s subscribes to events", (const char*)usr);
                        req.subscribe(event_login);
                        req.subscribe(event_logout);
                } else {
-                       AFB_REQ_NOTICE(req, "user %s unsubscribes to events", usr);
+                       AFB_REQ_NOTICE(req, "user %s unsubscribes to events", (const char*)usr);
                        req.unsubscribe(event_login);
                        req.unsubscribe(event_logout);
                }
@@ -57,22 +67,16 @@ usr = nullptr;
 
 void logout(afb::req req)
 {
-       char *usr;
+       session &usr = req.context<session>();
 
-//     usr = (char*)req.context_get();
-usr = nullptr;
-       AFB_REQ_NOTICE(req, "login user %s out", usr);
-       event_logout.push(json_object_new_string(usr));
+       AFB_REQ_NOTICE(req, "login user %s out", (const char*)usr);
+       event_logout.push(json_object_new_string((const char*)usr));
        req.session_set_LOA(0);
-//     req.context_clear();
+       req.context<session>().clear();
        req.success();
 }
 
-int init(
-#if AFB_BINDING_VERSION >= 3
-       afb_api_t api
-#endif
-)
+int init(afb_api_t api)
 {
        AFB_NOTICE("init");
        event_login = afb_daemon_make_event("login");
@@ -92,4 +96,3 @@ const afb_verb_t verbs[] = {
 
 const afb_binding_t afbBindingExport = afb::binding("tuto-3", verbs, "third tutorial: C++", init);
 
-