diff options
Diffstat (limited to 'plugins/builtin.cpp')
-rw-r--r-- | plugins/builtin.cpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/plugins/builtin.cpp b/plugins/builtin.cpp new file mode 100644 index 0000000..e93d929 --- /dev/null +++ b/plugins/builtin.cpp @@ -0,0 +1,92 @@ +/* + * Copyright (C) 2016 "IoT.bzh" + * Author Romain Forlot <romain.forlot@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. + * +*/ + +#define AFB_BINDING_VERSION 2 +#include <afb/afb-binding.h> +#include <systemd/sd-event.h> +#include <json-c/json_object.h> +#include <stdbool.h> +#include <string.h> + +#include "signal-composer.hpp" +#include "ctl-config.h" +#include "wrap-json.h" + +extern "C" +{ + +CTLP_LUALOAD +CTLP_REGISTER("builtin"); + +static struct signalCBT* pluginCtx = NULL; + +// Call at initialisation time +CTLP_ONLOAD(plugin, handle) { + pluginCtx = (struct signalCBT*)calloc (1, sizeof(struct signalCBT)); + pluginCtx = (struct signalCBT*)handle; + + AFB_NOTICE ("Low-can plugin: label='%s' version='%s' info='%s'", + plugin->label, + plugin->version, + plugin->info); + + return (void*)pluginCtx; +} + +CTLP_CAPI (defaultOnReceived, source, argsJ, eventJ, context) +{ + struct signalCBT* ctx = (struct signalCBT*)source->context; + AFB_NOTICE("source: %s argj: %s, eventJ %s", source->label, + json_object_to_json_string(argsJ), + json_object_to_json_string(eventJ)); + void* sig = ctx->aSignal; + + json_object* valueJ = nullptr; + json_object* timestampJ = nullptr; + double value = 0; + uint64_t timestamp = 0; + if(json_object_object_get_ex(eventJ, "value", &valueJ)) + {value = json_object_get_double(valueJ);} + if(json_object_object_get_ex(eventJ, "timestamp", ×tampJ)) + {timestamp = json_object_get_int64(timestampJ);} + + struct signalValue v = value; + ctx->setSignalValue(sig, timestamp, v); + return 0; +} + +CTLP_LUA2C (setSignalValueWrap, label, argsJ) +{ + const char* name = nullptr; + double resultNum; + uint64_t timestamp; + if(! wrap_json_unpack(argsJ, "{ss, sF, sI? !}", + "name", &name, + "value", &resultNum, + "timestamp", ×tamp)) + { + AFB_ERROR("Fail to set value for label: %s, argsJ: %s", label, json_object_to_json_string(argsJ)); + return -1; + } + struct signalValue result = resultNum; + pluginCtx->searchNsetSignalValue(name, timestamp*MICRO, result); + return 0; +} + +// extern "C" closure +} |