Controller src integration

Change-Id: I0b18cd55057a784d183a5ba02c332810a34d1fca
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 174 insertions, 0 deletions

diff --git a/controller/ctl-action.c b/controller/ctl-action.c
new file mode 100644
index 0000000..b24269c
--- /dev/null
+++ b/controller/ctl-action.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author Fulup Ar Foll <fulup@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, something express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Reference:
+ *   Json load using json_unpack https://jansson.readthedocs.io/en/2.9/apiref.html#parsing-and-validating-values
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+
+#include "ctl-config.h"
+
+
+PUBLIC int ActionExecOne(CtlActionT* action, json_object *queryJ) {
+    int err;
+
+
+    switch (action->type) {
+        case CTL_TYPE_API:
+        {
+            json_object *returnJ;
+
+            // if query is empty increment usage count and pass args
+            if (!queryJ || json_object_get_type(queryJ) != json_type_object) {
+                json_object_get(action->argsJ);
+                queryJ = action->argsJ;
+            } else if (action->argsJ) {
+
+                // Merge queryJ and argsJ before sending request
+                if (json_object_get_type(action->argsJ) == json_type_object) {
+
+                    json_object_object_foreach(action->argsJ, key, val) {
+                        json_object_object_add(queryJ, key, val);
+                    }
+                } else {
+                    json_object_object_add(queryJ, "args", action->argsJ);
+                }
+            }
+            
+            json_object_object_add(queryJ, "label", json_object_new_string(action->source.label));
+
+            int err = afb_service_call_sync(action->api, action->call, queryJ, &returnJ);
+            if (err) {
+                static const char*format = "ActionExecOne(Api) api=%s verb=%s args=%s";
+                AFB_ERROR(format, action->api, action->call, action->source.label);
+                goto OnErrorExit;
+            }
+            break;
+        }
+
+#ifdef CONTROL_SUPPORT_LUA
+        case CTL_TYPE_LUA:
+            err = LuaCallFunc(action, queryJ);
+            if (err) {
+                AFB_ERROR("ActionExecOne(Lua) label=%s func=%s args=%s", action->source.label, action->call, json_object_get_string(action->argsJ));
+                goto OnErrorExit;
+            }
+            break;
+#endif
+
+        case CTL_TYPE_CB:
+            err = (*action->actionCB) (&action->source, action->argsJ, queryJ);
+            if (err) {
+                AFB_ERROR("ActionExecOne(Callback) label%s func=%s args=%s", action->source.label, action->call, json_object_get_string(action->argsJ));
+                goto OnErrorExit;
+            }
+            break;
+
+        default:
+        {
+            AFB_ERROR("ActionExecOne(unknown) API type label=%s", action->source.label);
+            goto OnErrorExit;
+        }
+    }
+
+    return 0;
+
+OnErrorExit:
+    return -1;
+}
+
+
+// unpack individual action object
+
+PUBLIC int ActionLoadOne(CtlActionT *action, json_object *actionJ) {
+    char *api = NULL, *verb = NULL, *lua = NULL;
+    int err, modeCount = 0;
+    json_object *callbackJ=NULL;
+
+    err = wrap_json_unpack(actionJ, "{ss,s?s,s?o,s?s,s?s,s?s,s?o !}"
+            , "label", &action->source.label, "info", &action->source.info, "callback", &callbackJ, "lua", &lua, "api", &api, "verb", &verb, "args", &action->argsJ);
+    if (err) {
+        AFB_ERROR("ACTION-LOAD-ONE Missing something label|info|callback|lua|(api+verb)|args in:\n--  %s", json_object_get_string(actionJ));
+        goto OnErrorExit;
+    }
+
+    if (lua) {
+        action->type = CTL_TYPE_LUA;
+        action->call = lua;
+        modeCount++;
+    }
+
+    if (api && verb) {
+        action->type = CTL_TYPE_API;
+        action->api = api;
+        action->call = verb;
+        modeCount++;
+    }
+
+    if (callbackJ) {
+        action->type = CTL_TYPE_CB;
+        modeCount++;        
+        err = PluginGetCB (action, callbackJ);
+        if (err) goto OnErrorExit;
+        
+    }
+
+    // make sure at least one mode is selected
+    if (modeCount == 0) {
+        AFB_ERROR("ACTION-LOAD-ONE No Action Selected lua|callback|(api+verb) in %s", json_object_get_string(actionJ));
+        goto OnErrorExit;
+    }
+
+    if (modeCount > 1) {
+        AFB_ERROR("ACTION-LOAD-ONE:ToMany arguments lua|callback|(api+verb) in %s", json_object_get_string(actionJ));
+        goto OnErrorExit;
+    }
+    return 0;
+
+OnErrorExit:
+    return 1;
+};
+
+PUBLIC CtlActionT *ActionLoad(json_object *actionsJ) {
+    int err;
+    CtlActionT *actions;
+
+    // action array is close with a nullvalue;
+    if (json_object_get_type(actionsJ) == json_type_array) {
+        int count = json_object_array_length(actionsJ);
+        actions = calloc(count + 1, sizeof (CtlActionT));
+
+        for (int idx = 0; idx < count; idx++) {
+            json_object *actionJ = json_object_array_get_idx(actionsJ, idx);
+            err = ActionLoadOne(&actions[idx], actionJ);
+            if (err) goto OnErrorExit;
+        }
+
+    } else {
+        actions = calloc(2, sizeof (CtlActionT));
+        err = ActionLoadOne(&actions[0], actionsJ);
+        if (err) goto OnErrorExit;
+    }
+
+    return actions;
+
+OnErrorExit:
+    return NULL;
+
+}