Controller src integration

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

1 files changed, 705 insertions, 0 deletions

diff --git a/signal-composer-binding/ctl-dispatch.c b/signal-composer-binding/ctl-dispatch.c
new file mode 100644
index 0000000..b84c86e
--- /dev/null
+++ b/signal-composer-binding/ctl-dispatch.c
@@ -0,0 +1,705 @@
+/*
+ * 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 <dlfcn.h>
+#include <sys/prctl.h>
+#include <filescan-utils.h>
+#include <wrap-json.h>
+
+#include "ctl-lua.h"
+#include "signal-composer-binding.hpp"
+
+typedef void*(*DispatchPluginInstallCbT)(const char* label, const char*version, const char*info);
+
+static afb_req NULL_AFBREQ = {};
+
+typedef struct {
+    const char* id;
+    const char* source;
+    const char* class;
+    DispatchActionT* onReceived;
+} DispatchSignalT;
+
+typedef struct {
+    const char* label;
+    const char* info;
+    const char* ssource;
+    const char* sclass;
+    DispatchActionT* actions;
+} DispatchHandleT;
+
+typedef struct {
+    const char *label;
+    const char *info;
+    void *context;
+    char *sharelib;
+    void *dlHandle;
+    luaL_Reg *l2cFunc;
+    int l2cCount;
+} DispatchPluginT;
+
+typedef struct {
+    const char* label;
+    const char *info;
+    const char *version;
+    DispatchPluginT *plugin;
+    DispatchHandleT **sources;
+    DispatchHandleT **signals;
+} DispatchConfigT;
+
+// global config handle
+static DispatchConfigT *configHandle = NULL;
+
+static int DispatchSignalToIndex(DispatchHandleT **signals, const char* controlLabel) {
+
+    for (int idx = 0; signals[idx]; idx++) {
+        if (!strcasecmp(controlLabel, signals[idx]->label)) return idx;
+    }
+    return -1;
+}
+
+static int DispatchOneSignal(DispatchSourceT source, DispatchHandleT **signals, const char* controlLabel, json_object *queryJ, afb_req request) {
+    int err;
+
+    if (!configHandle) {
+        AFB_ERROR("DISPATCH-CTL-API: (Hoops/Bug!!!) No Config Loaded");
+        return -1;
+    }
+
+    if (!configHandle->signals) {
+        AFB_ERROR("DISPATCH-CTL-API: No Signal Action in Json config label=%s version=%s", configHandle->label, configHandle->version);
+        return -1;
+    }
+
+    int index = DispatchSignalToIndex(signals, controlLabel);
+    if (index < 0 || !signals[index]->actions) {
+        AFB_ERROR("DISPATCH-CTL-API:NotFound/Error label=%s in Json Signal Config File", controlLabel);
+        return -1;
+    }
+
+    // Fulup (Bug/Feature) in current version is unique to every onload profile
+    if (configHandle->plugin && configHandle->plugin->l2cCount) {
+        LuaL2cNewLib (configHandle->plugin->label, configHandle->plugin->l2cFunc, configHandle->plugin->l2cCount);
+    }
+
+    // loop on action for this control
+    DispatchActionT *actions = signals[index]->actions;
+    for (int idx = 0; actions[idx].label; idx++) {
+
+        switch (actions[idx].mode) {
+            case CTL_MODE_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(actions[idx].argsJ);
+                    queryJ= actions[idx].argsJ;
+                } else if (actions[idx].argsJ) {
+
+                    // Merge queryJ and argsJ before sending request
+                    if (json_object_get_type(actions[idx].argsJ) ==  json_type_object) {
+                        json_object_object_foreach(actions[idx].argsJ, key, val) {
+                        json_object_object_add(queryJ, key, val);
+                        }
+                    } else {
+                        json_object_object_add(queryJ, "args", actions[idx].argsJ);
+                    }
+                }
+
+                int err = afb_service_call_sync(actions[idx].api, actions[idx].call, queryJ, &returnJ);
+                if (err) {
+                    static const char*format = "DispatchOneSignal(Api) api=%s verb=%s args=%s";
+                    if (afb_req_is_valid(request))afb_req_fail_f(request, "DISPATCH-CTL-MODE:API", format, actions[idx].label, actions[idx].api, actions[idx].call);
+                    else AFB_ERROR(format, actions[idx].api, actions[idx].call, actions[idx].label);
+                    return -1;
+                }
+                break;
+            }
+
+#ifdef CONTROL_SUPPORT_LUA
+            case CTL_MODE_LUA:
+                err = LuaCallFunc(source, &actions[idx], queryJ);
+                if (err) {
+                    static const char*format = "DispatchOneSignal(Lua) label=%s func=%s args=%s";
+                    if (afb_req_is_valid(request)) afb_req_fail_f(request, "DISPATCH-CTL-MODE:Lua", format, actions[idx].label, actions[idx].call, json_object_get_string(actions[idx].argsJ));
+                    else AFB_ERROR(format, actions[idx].label, actions[idx].call, json_object_get_string(actions[idx].argsJ));
+                    return -1;
+                }
+                break;
+#endif
+
+            case CTL_MODE_CB:
+                err = (*actions[idx].actionCB) (source, actions[idx].label, actions[idx].argsJ, queryJ, configHandle->plugin->context);
+                if (err) {
+                    static const char*format = "DispatchOneSignal(Callback) label%s func=%s args=%s";
+                    if (afb_req_is_valid(request)) afb_req_fail_f(request, "DISPATCH-CTL-MODE:Cb", format, actions[idx].label, actions[idx].call, json_object_get_string(actions[idx].argsJ));
+                    else AFB_ERROR(format, actions[idx].label, actions[idx].call, json_object_get_string(actions[idx].argsJ));
+                    return -1;
+                }
+                break;
+
+            default:
+            {
+                static const char*format = "DispatchOneSignal(unknown) mode control=%s action=%s";
+                AFB_ERROR(format, signals[index]->label);
+                if (afb_req_is_valid(request))afb_req_fail_f(request, "DISPATCH-CTL-MODE:Unknown", format, signals[index]->label);
+            }
+        }
+    }
+
+    // everything when fine
+    if (afb_req_is_valid(request)) afb_req_success(request, NULL, signals[index]->label);
+    return 0;
+}
+
+// Event name is mapped on control label and executed as a standard control
+/*
+void DispatchOneEvent(const char *evtLabel, json_object *eventJ) {
+    DispatchHandleT **events = configHandle->events;
+
+    (void) DispatchOneSignal(CTL_SOURCE_EVENT, events, evtLabel, eventJ, NULL_AFBREQ);
+}
+*/
+// Event name is mapped on control label and executed as a standard control
+
+int DispatchSources() {
+    if (!configHandle) return 1;
+
+    int err = 0;
+    DispatchHandleT **sources = configHandle->sources;
+    ssize_t i = 0, nSources = sizeof(*sources) / sizeof(DispatchHandleT);
+
+    while(i < nSources) {
+        const char* sourceLabel = sources[i++]->label;
+        err = DispatchOneSignal(CTL_SOURCE_ONLOAD, sources, sourceLabel, NULL, NULL_AFBREQ);
+    }
+
+    return err;
+}
+
+void ctlapi_dispatch(afb_req request) {
+    DispatchHandleT **signals = configHandle->signals;
+    json_object *queryJ, *argsJ=NULL;
+    const char *target;
+    DispatchSourceT source= CTL_SOURCE_UNKNOWN;
+
+    queryJ = afb_req_json(request);
+    int err = wrap_json_unpack(queryJ, "{s:s, s?i s?o !}", "target", &target, "source", &source, "args", &argsJ);
+    if (err) {
+        afb_req_fail_f(request, "CTL-DISPTACH-INVALID", "missing target or args not a valid json object query=%s", json_object_get_string(queryJ));
+        return;
+    }
+
+    (void) DispatchOneSignal(source, signals, target, argsJ, request);
+}
+
+// Wrapper to Lua2c plugin command add context dans delegate to LuaWrapper
+int DispatchOneL2c(lua_State* luaState, char *funcname, Lua2cFunctionT callback) {
+#ifndef CONTROL_SUPPORT_LUA
+    AFB_ERROR("DISPATCH-ONE-L2C: LUA support not selected (cf:CONTROL_SUPPORT_LUA) in config.cmake");
+    return 1;
+#else
+    int err=Lua2cWrapper(luaState, funcname, callback, configHandle->plugin->context);
+    return err;
+#endif
+}
+
+
+// List Avaliable Configuration Files
+
+void ctlapi_config(struct afb_req request) {
+    json_object*tmpJ;
+    char *dirList;
+    // Compile some default directories to browse
+    char defaultConfPath[CONTROL_MAXPATH_LEN];
+    strncpy(defaultConfPath, GetBindingDirPath(), sizeof(GetBindingDirPath()));
+    strncat(defaultConfPath, "/etc:", sizeof(defaultConfPath) - strlen(defaultConfPath) - 1);
+    strncat(defaultConfPath, GetBindingDirPath(), sizeof(defaultConfPath) - strlen(defaultConfPath) - 1);
+    strncat(defaultConfPath, "/data", sizeof(defaultConfPath) - strlen(defaultConfPath) - 1);
+
+
+    json_object* queryJ = afb_req_json(request);
+    if (queryJ && json_object_object_get_ex(queryJ, "cfgpath", &tmpJ)) {
+        dirList = strdup(json_object_get_string(tmpJ));
+    } else {
+
+        dirList = getenv("CONTROL_CONFIG_PATH");
+        if (!dirList) dirList = defaultConfPath;
+        AFB_NOTICE("CONFIG-MISSING: use default CONTROL_CONFIG_PATH=%s", defaultConfPath);
+    }
+
+    // get list of config file
+    struct json_object *responseJ = ScanForConfig(dirList, CTL_SCAN_RECURSIVE, "onload", "json");
+
+    if (json_object_array_length(responseJ) == 0) {
+        afb_req_fail(request, "CONFIGPATH:EMPTY", "No Config Found in CONTROL_CONFIG_PATH");
+    } else {
+        afb_req_success(request, responseJ, NULL);
+    }
+
+    return;
+}
+
+// unpack individual action object
+
+static int DispatchLoadOneAction(DispatchConfigT *controlConfig, json_object *actionJ, DispatchActionT *action) {
+    char *api = NULL, *verb = NULL, *callback = NULL, *lua = NULL, *function = NULL;
+    int err, modeCount = 0;
+
+    err = wrap_json_unpack(actionJ, "{s?s,s?s,s?s,s?s,s?s,s?s,s?s,s?o !}"
+            , "label", &action->label
+            , "info", &action->info
+            , "function", &function
+            , "callback", &callback
+            , "lua", &lua
+            , "api", &api, "verb", &verb
+            , "args", &action->argsJ);
+    if (err) {
+        AFB_ERROR("DISPATCH-LOAD-ACTION Missing something label|info|callback|lua|(api+verb)|args in %s", json_object_get_string(actionJ));
+        return -1;
+    }
+
+    // Generic way to specify a C or LUA actions
+    if(function) {
+        if(strcasestr(function, "lua")) {
+            action->mode = CTL_MODE_LUA;
+            action->call = function;
+            modeCount++;
+        }
+        else if(controlConfig->plugin) {
+            action->mode = CTL_MODE_CB;
+            action->call = callback;
+            modeCount++;
+
+            action->actionCB = dlsym(controlConfig->plugin->dlHandle, callback);
+            if (!action->actionCB) {
+                AFB_ERROR("DISPATCH-LOAD-ACTION fail to find calbback=%s in %s", callback, controlConfig->plugin->sharelib);
+                return -1;
+            }
+        }
+        // If label not already set then use function name
+        if(! &action->label) action->label = function;
+    }
+
+    if (lua) {
+        action->mode = CTL_MODE_LUA;
+        action->call = lua;
+        modeCount++;
+        // If label not already set then use function name
+        if(! &action->label) action->label = lua;
+    }
+
+    if (api && verb) {
+        action->mode = CTL_MODE_API;
+        action->api = api;
+        action->call = verb;
+        modeCount++;
+        char* apiVerb = strdup(api);
+        apiVerb = strncat(apiVerb, "/", sizeof(*apiVerb) - strlen(apiVerb) - 1);
+        apiVerb = strncat(apiVerb, verb, sizeof(*apiVerb) - strlen(apiVerb) - 1);
+        // If label not already set then use function name
+        if(! &action->label) action->label = apiVerb;
+        free(apiVerb);
+    }
+
+    if (callback && controlConfig->plugin) {
+        action->mode = CTL_MODE_CB;
+        action->call = callback;
+        modeCount++;
+
+        action->actionCB = dlsym(controlConfig->plugin->dlHandle, callback);
+        if (!action->actionCB) {
+            AFB_ERROR("DISPATCH-LOAD-ACTION fail to find calbback=%s in %s", callback, controlConfig->plugin->sharelib);
+            return -1;
+        }
+    }
+
+    // make sure at least one mode is selected
+    if (modeCount == 0) {
+        AFB_ERROR("DISPATCH-LOAD-ACTION No Action Selected lua|callback|(api+verb) in %s", json_object_get_string(actionJ));
+        return -1;
+    }
+
+    if (modeCount > 1) {
+        AFB_ERROR("DISPATCH-LOAD-ACTION:Too Many arguments lua|callback|(api+verb) in %s", json_object_get_string(actionJ));
+        return -1;
+    }
+    return 0;
+};
+
+static DispatchActionT *DispatchLoadActions(DispatchConfigT *controlConfig, json_object *actionsJ) {
+    int err;
+    DispatchActionT *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 (DispatchActionT));
+
+        for (int idx = 0; idx < count; idx++) {
+            json_object *actionJ = json_object_array_get_idx(actionsJ, idx);
+            err = DispatchLoadOneAction(controlConfig, actionJ, &actions[idx]);
+            if (err) return NULL;
+        }
+
+    } else {
+        actions = calloc(2, sizeof (DispatchActionT));
+        err = DispatchLoadOneAction(controlConfig, actionsJ, &actions[0]);
+        if (err) return NULL;
+    }
+
+    return actions;
+}
+
+static void DispatchLoadPlugin(DispatchConfigT *controlConfig, json_object* sourcesJ, json_object* pluginJ)
+{
+    int err = 0;
+    json_object *lua2csJ = NULL;
+    DispatchPluginT *dPlugin= calloc(1, sizeof(DispatchPluginT));
+    controlConfig->plugin = dPlugin;
+    const char*ldSearchPath=NULL;
+
+    err = wrap_json_unpack(pluginJ, "{ss,s?s,s?s,ss,s?o!}",
+            "label", &dPlugin->label, "info", &dPlugin->info, "ldpath", &ldSearchPath, "sharelib", &dPlugin->sharelib, "lua2c", &lua2csJ);
+    if (err) {
+        AFB_ERROR("DISPATCH-LOAD-CONFIG:ONLOAD Plugin missing label|[info]|sharelib|[lua2c] in %s", json_object_get_string(sourcesJ));
+        return;
+    }
+
+    // if search path not in Json config file, then try default
+    if (!ldSearchPath) ldSearchPath= strncat(GetBindingDirPath(), "/data", sizeof(GetBindingDirPath()) - strlen(GetBindingDirPath()) - 1);
+
+    // search for default policy config file
+    json_object *pluginPathJ = ScanForConfig(ldSearchPath, CTL_SCAN_RECURSIVE, dPlugin->sharelib, NULL);
+    if (!pluginPathJ || json_object_array_length(pluginPathJ) == 0) {
+        AFB_ERROR("DISPATCH-LOAD-CONFIG:PLUGIN Missing plugin=%s in path=%s", dPlugin->sharelib, ldSearchPath);
+        return;
+    }
+
+    char *filename;
+    char*fullpath;
+    err = wrap_json_unpack(json_object_array_get_idx(pluginPathJ, 0), "{s:s, s:s !}", "fullpath", &fullpath, "filename", &filename);
+    if (err) {
+        AFB_ERROR("DISPATCH-LOAD-CONFIG:PLUGIN HOOPs invalid plugin file path = %s", json_object_get_string(pluginPathJ));
+        return;
+    }
+
+    if (json_object_array_length(pluginPathJ) > 1) {
+        AFB_WARNING("DISPATCH-LOAD-CONFIG:PLUGIN plugin multiple instances in searchpath will use %s/%s", fullpath, filename);
+    }
+
+    char pluginpath[CONTROL_MAXPATH_LEN];
+    strncpy(pluginpath, fullpath, sizeof (pluginpath));
+    strncat(pluginpath, "/", sizeof (pluginpath)-strlen(pluginpath)-1);
+    strncat(pluginpath, filename, sizeof (pluginpath)-strlen(pluginpath)-1);
+    dPlugin->dlHandle = dlopen(pluginpath, RTLD_NOW);
+    if (!dPlugin->dlHandle) {
+        AFB_ERROR("DISPATCH-LOAD-CONFIG:PLUGIN Fail to load pluginpath=%s err= %s", pluginpath, dlerror());
+        return;
+    }
+
+    CtlPluginMagicT *ctlPluginMagic = (CtlPluginMagicT*) dlsym(dPlugin->dlHandle, "CtlPluginMagic");
+    if (!ctlPluginMagic || ctlPluginMagic->magic != CTL_PLUGIN_MAGIC) {
+        AFB_ERROR("DISPATCH-LOAD-CONFIG:Plugin symbol'CtlPluginMagic' missing or !=  CTL_PLUGIN_MAGIC plugin=%s", pluginpath);
+        return;
+    } else {
+        AFB_NOTICE("DISPATCH-LOAD-CONFIG:Plugin %s successfully registered", ctlPluginMagic->label);
+    }
+
+    // Jose hack to make verbosity visible from sharelib
+    struct afb_binding_data_v2 *afbHidenData = dlsym(dPlugin->dlHandle, "afbBindingV2data");
+    if (afbHidenData) *afbHidenData = afbBindingV2data;
+
+    // Push lua2cWrapper @ into plugin
+    Lua2cWrapperT *lua2cInPlug = dlsym(dPlugin->dlHandle, "Lua2cWrap");
+#ifndef CONTROL_SUPPORT_LUA
+    if (lua2cInPlug) *lua2cInPlug = NULL;
+#else
+    // Lua2cWrapper is part of binder and not expose to dynamic link
+    if (lua2cInPlug) *lua2cInPlug = DispatchOneL2c;
+
+    {
+        int Lua2cAddOne(luaL_Reg *l2cFunc, const char* l2cName, int index) {
+            char funcName[CONTROL_MAXPATH_LEN];
+            strncpy(funcName, "lua2c_", sizeof(funcName));
+            strncat(funcName, l2cName, sizeof(funcName)-strlen(funcName)-1);
+
+            Lua2cFunctionT l2cFunction= (Lua2cFunctionT)dlsym(dPlugin->dlHandle, funcName);
+            if (!l2cFunction) {
+                AFB_ERROR("DISPATCH-LOAD-CONFIG:Plugin symbol'%s' missing err=%s", funcName, dlerror());
+                return 1;
+            }
+            l2cFunc[index].func=(void*)l2cFunction;
+            l2cFunc[index].name=strdup(l2cName);
+
+            return 0;
+        }
+
+        int errCount = 0;
+        luaL_Reg *l2cFunc=NULL;
+        int count=0;
+
+        // look on l2c command and push them to LUA
+        if (json_object_get_type(lua2csJ) == json_type_array) {
+            int length = json_object_array_length(lua2csJ);
+            l2cFunc = calloc(length + 1, sizeof (luaL_Reg));
+            for (count=0; count < length; count++) {
+                int err;
+                const char *l2cName = json_object_get_string(json_object_array_get_idx(lua2csJ, count));
+                err = Lua2cAddOne(l2cFunc, l2cName, count);
+                if (err) errCount++;
+            }
+        } else {
+            l2cFunc = calloc(2, sizeof (luaL_Reg));
+            const char *l2cName = json_object_get_string(lua2csJ);
+            errCount = Lua2cAddOne(l2cFunc, l2cName, 0);
+            count=1;
+        }
+        if (errCount) {
+            AFB_ERROR("DISPATCH-LOAD-CONFIG:Plugin %d symbols not found in plugin='%s'", errCount, pluginpath);
+            return;
+        } else {
+            dPlugin->l2cFunc= l2cFunc;
+            dPlugin->l2cCount= count;
+        }
+    }
+#endif
+    DispatchPluginInstallCbT ctlPluginOnload = dlsym(dPlugin->dlHandle, "CtlPluginOnload");
+    if (ctlPluginOnload) {
+        dPlugin->context = (*ctlPluginOnload) (controlConfig->label, controlConfig->version, controlConfig->info);
+    }
+}
+
+static DispatchHandleT *DispatchLoadSignal(DispatchConfigT *controlConfig, json_object *controlJ) {
+    json_object *actionsJ, *permissionsJ;
+    int err;
+
+    DispatchHandleT *dispatchHandle = calloc(1, sizeof (DispatchHandleT));
+    err = wrap_json_unpack(controlJ, "{ss,s?s,ss,ss,s?o,so !}"
+        , "id", &dispatchHandle->label
+        , "info", &dispatchHandle->info
+        , "source", &dispatchHandle->ssource
+        , "class", &dispatchHandle->sclass
+        , "permissions", &permissionsJ
+        , "onReceived", &actionsJ);
+    if (err) {
+        AFB_ERROR("DISPATCH-LOAD-CONFIG:CONTROL Missing something label|[info]|actions in %s", json_object_get_string(controlJ));
+        return NULL;
+    }
+
+    dispatchHandle->actions = DispatchLoadActions(controlConfig, actionsJ);
+    if (!dispatchHandle->actions) {
+        AFB_ERROR("DISPATCH-LOAD-CONFIG:CONTROL Error when parsing actions %s", dispatchHandle->label);
+        return NULL;
+    }
+    return dispatchHandle;
+}
+
+static DispatchHandleT *DispatchLoadSource(DispatchConfigT *controlConfig, json_object *sourcesJ) {
+    json_object *actionsJ = NULL, *pluginJ = NULL;
+    int err;
+
+    DispatchHandleT *dispatchSources = calloc(1, sizeof (DispatchHandleT));
+    err = wrap_json_unpack(sourcesJ, "{ss,s?s,s?o,s?o,s?o !}",
+            "api", &dispatchSources->label, "info", &dispatchSources->info, "plugin", &pluginJ, "actions", &actionsJ);
+    if (err) {
+        AFB_ERROR("DISPATCH-LOAD-CONFIG:ONLOAD Missing something label|[info]|[plugin]|[actions] in %s", json_object_get_string(sourcesJ));
+        return NULL;
+    }
+
+    // best effort to initialise everything before starting
+    err = afb_daemon_require_api(dispatchSources->label, 1);
+    if (err) {
+        AFB_WARNING("DISPATCH-LOAD-CONFIG:REQUIRE Fail to get=%s", dispatchSources->label);
+    }
+
+    if (pluginJ) {
+        DispatchLoadPlugin(controlConfig, sourcesJ, pluginJ);
+    }
+
+    dispatchSources->actions = DispatchLoadActions(controlConfig, actionsJ);
+    if (!dispatchSources->actions) {
+        AFB_ERROR("DISPATCH-LOAD-CONFIG:ONLOAD Error when parsing actions %s", dispatchSources->label);
+        return NULL;
+    }
+    return dispatchSources;
+}
+
+static DispatchConfigT *DispatchLoadConfig(const char* filepath) {
+    json_object *controlConfigJ, *ignoreJ;
+    int err;
+
+    // Load JSON file
+    controlConfigJ = json_object_from_file(filepath);
+    if (!controlConfigJ) {
+        AFB_ERROR("DISPATCH-LOAD-CONFIG:JsonLoad invalid JSON %s ", filepath);
+        return NULL;
+    }
+
+    AFB_INFO("DISPATCH-LOAD-CONFIG: loading config filepath=%s", filepath);
+
+    json_object *metadataJ = NULL, *sourcesJ = NULL, *signalsJ = NULL;
+    err = wrap_json_unpack(controlConfigJ, "{s?s,s?o,s?o,s?o !}", "$schema", &ignoreJ, "metadata", &metadataJ, "sources", &sourcesJ, "signals", &signalsJ);
+    if (err) {
+        AFB_ERROR("DISPATCH-LOAD-CONFIG Missing something metadata|[sources]|[signals] in %s", json_object_get_string(controlConfigJ));
+        return NULL;
+    }
+
+    DispatchConfigT *controlConfig = calloc(1, sizeof (DispatchConfigT));
+    if (metadataJ) {
+        const char*ctlname=NULL;
+        err = wrap_json_unpack(metadataJ, "{ss,s?s,s?s,ss !}", "label", &controlConfig->label, "version", &controlConfig->version, "name", &ctlname, "info", &controlConfig->info);
+        if (err) {
+            AFB_ERROR("DISPATCH-LOAD-CONFIG:METADATA Missing something label|version|[label] in %s", json_object_get_string(metadataJ));
+            return NULL;
+        }
+
+        // if ctlname is provided change process name now
+        if (ctlname) {
+            err= prctl(PR_SET_NAME, ctlname,NULL,NULL,NULL);
+            if (err) AFB_WARNING("Fail to set Process Name to:%s",ctlname);
+        }
+    }
+
+    if (sourcesJ) {
+        DispatchHandleT *dispatchHandle;
+
+        if (json_object_get_type(sourcesJ) != json_type_array) {
+            controlConfig->sources = (DispatchHandleT**) calloc(2, sizeof (void*));
+            dispatchHandle = DispatchLoadSource(controlConfig, sourcesJ);
+            controlConfig->sources[0] = dispatchHandle;
+        } else {
+            int length = json_object_array_length(sourcesJ);
+            controlConfig->sources = (DispatchHandleT**) calloc(length + 1, sizeof (void*));
+
+            for (int jdx = 0; jdx < length; jdx++) {
+                json_object *sourcesJ = json_object_array_get_idx(sourcesJ, jdx);
+                dispatchHandle = DispatchLoadSource(controlConfig, sourcesJ);
+                controlConfig->sources[jdx] = dispatchHandle;
+            }
+        }
+    }
+
+    if (signalsJ) {
+        DispatchHandleT* dispatchHandle;
+
+        if (json_object_get_type(signalsJ) != json_type_array) {
+            controlConfig->signals = (DispatchHandleT**) calloc(2, sizeof (void*));
+            dispatchHandle = DispatchLoadSignal(controlConfig, signalsJ);
+            controlConfig->signals[0] = dispatchHandle;
+        } else {
+            int length = json_object_array_length(signalsJ);
+            controlConfig->signals = (DispatchHandleT**) calloc(length + 1, sizeof (void*));
+
+            for (int jdx = 0; jdx < length; jdx++) {
+                json_object *controlJ = json_object_array_get_idx(signalsJ, jdx);
+                dispatchHandle = DispatchLoadSignal(controlConfig, controlJ);
+                controlConfig->signals[jdx] = dispatchHandle;
+            }
+        }
+    }
+/*
+    if (eventsJ) {
+        DispatchHandleT *dispatchHandle;
+
+        if (json_object_get_type(eventsJ) != json_type_array) {
+            controlConfig->events = (DispatchHandleT**) calloc(2, sizeof (void*));
+            dispatchHandle = DispatchLoadSignal(controlConfig, eventsJ);
+            controlConfig->events[0] = dispatchHandle;
+        } else {
+            int length = json_object_array_length(eventsJ);
+            controlConfig->events = (DispatchHandleT**) calloc(length + 1, sizeof (void*));
+
+            for (int jdx = 0; jdx < length; jdx++) {
+                json_object *eventJ = json_object_array_get_idx(eventsJ, jdx);
+                dispatchHandle = DispatchLoadSignal(controlConfig, eventJ);
+                controlConfig->events[jdx] = dispatchHandle;
+            }
+        }
+    }
+*/
+    return controlConfig;
+}
+
+
+// Load default config file at init
+
+int DispatchInit() {
+    int index, luaLoaded = 0;
+    char controlFile [CONTROL_MAXPATH_LEN];
+    // Compile some default directories to browse
+    char defaultConfPath[CONTROL_MAXPATH_LEN];
+    strncpy(defaultConfPath, GetBindingDirPath(), sizeof(GetBindingDirPath()));
+    strncat(defaultConfPath, "/etc:", sizeof(defaultConfPath) - strlen(defaultConfPath) - 1);
+    strncat(defaultConfPath, GetBindingDirPath(), sizeof(defaultConfPath) - strlen(defaultConfPath) - 1);
+    strncat(defaultConfPath, "/data", sizeof(defaultConfPath) - strlen(defaultConfPath) - 1);
+
+    const char *dirList = getenv("CONTROL_CONFIG_PATH");
+    if (!dirList) dirList = defaultConfPath;
+
+    strncpy(controlFile, CONTROL_CONFIG_PRE "-", CONTROL_MAXPATH_LEN);
+    strncat(controlFile, GetBinderName(), CONTROL_MAXPATH_LEN-strlen(controlFile)-1);
+
+    // search for default dispatch config file
+    json_object* responseJ = ScanForConfig(dirList, CTL_SCAN_RECURSIVE, controlFile, "json");
+
+    // We load 1st file others are just warnings
+    for (index = 0; index < json_object_array_length(responseJ); index++) {
+        json_object *entryJ = json_object_array_get_idx(responseJ, index);
+
+        char *filename;
+        char*fullpath;
+        int err = wrap_json_unpack(entryJ, "{s:s, s:s !}", "fullpath", &fullpath, "filename", &filename);
+        if (err) {
+            AFB_ERROR("DISPATCH-INIT HOOPs invalid JSON entry= %s", json_object_get_string(entryJ));
+            return -1;
+        }
+
+        if (index == 0) {
+            if (strcasestr(filename, controlFile)) {
+                char filepath[CONTROL_MAXPATH_LEN];
+                strncpy(filepath, fullpath, sizeof (filepath));
+                strncat(filepath, "/", sizeof (filepath)-strlen(filepath)-1);
+                strncat(filepath, filename, sizeof (filepath)-strlen(filepath)-1);
+                configHandle = DispatchLoadConfig(filepath);
+                if (!configHandle) {
+                    AFB_ERROR("DISPATCH-INIT:ERROR Fail loading [%s]", filepath);
+                    return -1;
+                }
+                luaLoaded = 1;
+                break;
+            }
+        } else {
+            AFB_WARNING("DISPATCH-INIT:WARNING Secondary Signal Config Ignored %s/%s", fullpath, filename);
+        }
+    }
+
+    // no dispatch config found remove control API from binder
+    if (!luaLoaded) {
+        AFB_WARNING("DISPATCH-INIT:WARNING (setenv CONTROL_CONFIG_PATH) No Config '%s-*.json' in '%s'", controlFile, dirList);
+    }
+
+    AFB_NOTICE("DISPATCH-INIT:SUCCES: Signal Dispatch Init");
+    return 0;
+}