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authorJosé Bollo <jose.bollo@iot.bzh>2017-06-07 18:40:00 +0200
committerJosé Bollo <jose.bollo@iot.bzh>2017-06-13 00:10:51 +0200
commitf6bc48698587758fb764bae66302002fe148e978 (patch)
treea637013529c705e2c812119f9fee3005a6b2d53e /bindings/tutorial
parent279ac0a77b8689c71812af2e5e67ee9b6e4994ff (diff)
Refactor of the documentation
Diffstat (limited to 'bindings/tutorial')
-rw-r--r--bindings/tutorial/CMakeLists.txt32
-rw-r--r--bindings/tutorial/export.map1
-rw-r--r--bindings/tutorial/tuto-1.c19
-rw-r--r--bindings/tutorial/tuto-2.c100
4 files changed, 152 insertions, 0 deletions
diff --git a/bindings/tutorial/CMakeLists.txt b/bindings/tutorial/CMakeLists.txt
new file mode 100644
index 00000000..844e2dfb
--- /dev/null
+++ b/bindings/tutorial/CMakeLists.txt
@@ -0,0 +1,32 @@
+###########################################################################
+# Copyright 2015, 2016, 2017 IoT.bzh
+#
+# author: José Bollo <jose.bollo@iot.bzh>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+###########################################################################
+
+
+#INCLUDE_DIRECTORIES(${include_dirs})
+
+MACRO(tuto num)
+ ADD_LIBRARY(tuto-${num} MODULE tuto-${num}.c)
+ SET_TARGET_PROPERTIES(tuto-${num} PROPERTIES
+ PREFIX ""
+ LINK_FLAGS "-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/export.map"
+ )
+ TARGET_LINK_LIBRARIES(tuto-${num} ${link_libraries})
+ENDMACRO(tuto)
+
+tuto(1)
+tuto(2)
diff --git a/bindings/tutorial/export.map b/bindings/tutorial/export.map
new file mode 100644
index 00000000..ee2f4133
--- /dev/null
+++ b/bindings/tutorial/export.map
@@ -0,0 +1 @@
+{ global: afbBindingV*; local: *; };
diff --git a/bindings/tutorial/tuto-1.c b/bindings/tutorial/tuto-1.c
new file mode 100644
index 00000000..433a4ebb
--- /dev/null
+++ b/bindings/tutorial/tuto-1.c
@@ -0,0 +1,19 @@
+#define AFB_BINDING_VERSION 2
+#include <afb/afb-binding.h>
+
+void hello(afb_req req)
+{
+ AFB_REQ_DEBUG(req, "hello world");
+ afb_req_success(req, NULL, "hello world");
+}
+
+const afb_verb_v2 verbs[] = {
+ { .verb="hello", .callback=hello },
+ { .verb=NULL }
+};
+
+const afb_binding_v2 afbBindingV2 = {
+ .api = "tuto-1",
+ .verbs = verbs
+};
+
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
+}; \ No newline at end of file