summaryrefslogtreecommitdiffstats
path: root/signal-composer-binding/ctl-dispatch.c
diff options
context:
space:
mode:
Diffstat (limited to 'signal-composer-binding/ctl-dispatch.c')
-rw-r--r--signal-composer-binding/ctl-dispatch.c705
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;
+}