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-<html>
-<head>
- <title>Basic Audio Hardware Abstraction Layer Test</title>
- <link rel="stylesheet" href="AudioBinding.css">
- <script type="text/javascript" src="AFB-websock.js"></script>
- <script type="text/javascript" src="AudioBinding.js"></script>
-</head>
-
-
-<body onload="init('hal_registry','alsacore', 'hallist')">
-
- <h1>Simple AlsaHAL tests</h1>
- <button id="connected" onclick="init('hal_registry','alsacore', 'hallist')">Binder WS Fail</button>
- <button id="mnitoring" onclick="window.open('/monitoring/monitor.html','_monitor_audio')">Debug/Monitoring</a></button>
-
- <br><br>
- <b>Selected HAL </b>
- <select id='hal_registry'></select>
-
- <b>API Verbosity </b>
- <select id='api_verbosity' onclick='mode=this.value'>
- <option value='0'>Quiet</option>
- <option value='1'>Compact</option>
- <option value='2'>Verbose</option>
- <option value='3'>Full</option>
- </select>
- <br>
-
- <br>
- <ol>
-
- <li><button onclick="callbinder(sndcard,'ctllist')">List Selected HAL Controls </button></li>
- <li><button onclick="callbinder(sndcard,'ctlget', {label:'Master_Playback_Volume'})">Get {label:'Master_Playback_Volume'}</button></li>
- <li><button onclick="callbinder(sndcard,'ctlget', [{tag:4},{tag:5}])">Get[{tag:4},{tag:5}]</button></li>
- <li><button onclick="callbinder(sndcard,'ctlget', [4,5])">Get [4,5]</button></li>
- <br>
- <li><button onclick="callbinder(sndcard,'ctlset', {label:'Master_Playback_Volume', val:[50]})">Set {label:'Master_Playback_Volume', value=[50]}</button></li>
- <li><button onclick="callbinder(sndcard,'ctlset', {tag: 4, val:5})">Set {tag: 4, val:5}</button></li>
- <li><button onclick="callbinder(sndcard,'ctlset', [{tag:4, val:25},{tag:5, val:25}])">Set[{tag:4, val:25},{tag:5, val:25}]</button></li>
- <li><button onclick="callbinder(sndcard,'ctlset', [{tag:4, val:[55,45]},{tag:5, val:[45,55]}])">Set[{tag:4, val:[55,45]},{tag:5, val:[45,55]}]]</button></li>
- <br>
-
- <li>
- <label for="volramp">Volume Ramp</label>
- <input id="volramp" type="number" min=0 max=100 step=10 maxlength=3 placeholder="Enter 0-100" onChange="callbinder(sndcard,'ctl-set', {label:'Volume_Ramp', val:this.value})">
- </li>
- <br>
- </ol>
-
- <div id="main" style="visibility:hidden">
- <ol>
- <li>Question <pre id="question"></pre>
- <li>Response <pre id="output"></pre>
- <li>Events: <pre id="outevt"></pre>
- </ol>
- </div>
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/*
 * 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
#define CTL_PLUGIN_MAGIC 1286576532
#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 "wrap-json.h"

extern "C"
{
CTLP_CAPI_REGISTER("low-can");

typedef struct {
	bool door;
	bool window;
} doorT;

typedef struct {
	doorT front_left;
	doorT front_right;
	doorT rear_left;
	doorT rear_right;
} allDoorsCtxT;

struct pluginCtxT {
	json_object *subscriptionBatch;
	allDoorsCtxT allDoorsCtx;
};

void setDoor(doorT* aDoor, const char* eventName, int eventStatus)
{
	if(strcasestr(eventName, "door")) {aDoor->door = eventStatus;}
	else if(strcasestr(eventName, "window")) {aDoor->window = eventStatus;}
	else {AFB_WARNING("Unexpected behavior, this '%s' is not a door ! ", eventName);}
}

// Call at initialisation time
CTLP_ONLOAD(plugin, composerHandle)
{
	struct pluginCtxT* pluginCtx = new struct pluginCtxT;
	pluginCtx->subscriptionBatch = json_object_new_array();
	memset(&pluginCtx->allDoorsCtx, 0, sizeof(allDoorsCtxT));

	struct signalCBT* handle = (struct signalCBT*)composerHandle;
	handle->pluginCtx = (void*)pluginCtx;

	return (void*)handle;
}

CTLP_CAPI (subscribeToLow, source, argsJ, eventJ) {
	json_object* dependsArrayJ = nullptr, *subscribeArgsJ = nullptr, *subscribeFilterJ = nullptr, *responseJ = nullptr, *filterJ = nullptr;
	const char *id = nullptr, *event = nullptr, *unit = nullptr;
	double frequency = 0;
	int err = 0;

	struct signalCBT* context = reinterpret_cast<struct signalCBT*>(source->context);
	struct pluginCtxT* pluginCtx = reinterpret_cast<struct pluginCtxT*>(context->pluginCtx);

	if(eventJ)
	{
		err = wrap_json_unpack(eventJ, "{ss,s?s,s?o,s?s,s?F,s?o !}",
			"uid", &id,
			"event", &event,
			"depends", &dependsArrayJ,
			"unit", &unit,
			"frequency", &frequency,
			"getSignalsArgs", &filterJ);
		if(err)
		{
			AFB_ERROR("Problem to unpack JSON object eventJ: %s",
			json_object_to_json_string(eventJ));
			return err;
		}

		if(frequency > 0 && !filterJ)
			{wrap_json_pack(&subscribeFilterJ, "{sf}", "frequency", frequency);}
		else
		{
			json_object_get(filterJ);
			subscribeFilterJ = filterJ;
		}

		std::string eventStr = std::string(event);
		std::string lowEvent = eventStr.substr(eventStr.find("/")+1);
		err = wrap_json_pack(&subscribeArgsJ, "{ss, so*}",
		"event", lowEvent.c_str(),
		"filter", subscribeFilterJ);
		if(err)
		{
			AFB_ERROR("Error building subscription query object");
			return err;
		}
		json_object_array_add(pluginCtx->subscriptionBatch, subscribeArgsJ);
	}
	else
	{
		json_object_get(pluginCtx->subscriptionBatch);
		AFB_DEBUG("Calling subscribe with %s", json_object_to_json_string(pluginCtx->subscriptionBatch));
		err = afb_service_call_sync("low-can", "subscribe", pluginCtx->subscriptionBatch, &responseJ);
		if(err)
			{AFB_ERROR("Subscribe to '%s' responseJ:%s", json_object_to_json_string(pluginCtx->subscriptionBatch), json_object_to_json_string(responseJ));}

		// Renew subscription json object for the next time we need it
		json_object_put(pluginCtx->subscriptionBatch);
		pluginCtx->subscriptionBatch = json_object_new_array();
	}

	return err;
}

CTLP_CAPI (isOpen, source, argsJ, eventJ) {
	const char *eventName = nullptr;
	int eventStatus;
	uint64_t timestamp;
	struct signalCBT* context = reinterpret_cast<struct signalCBT*>(source->context);
	struct pluginCtxT* pluginCtx = reinterpret_cast<struct pluginCtxT*>(context->pluginCtx);

	int err = wrap_json_unpack(eventJ, "{ss,sb,s?I}",
		"name", &eventName,
		"value", &eventStatus,
		"timestamp", &timestamp);
	if(err)
	{
		AFB_ERROR("Error parsing event %s", json_object_to_json_string(eventJ));
		return -1;
	}

	if(strcasestr(eventName, "front_left"))
	{
		context->searchNsetSignalValue(eventName,(uint64_t)timestamp, eventStatus);
		setDoor(&pluginCtx->allDoorsCtx.front_left, eventName, eventStatus);
	}
	else if(strcasestr(eventName, "front_right"))
	{
		context->searchNsetSignalValue(eventName,(uint64_t)timestamp, eventStatus);
		setDoor(&pluginCtx->allDoorsCtx.front_right, eventName, eventStatus);
	}
	else if(strcasestr(eventName, "rear_left"))
	{
		context->searchNsetSignalValue(eventName,(uint64_t)timestamp, eventStatus);
		setDoor(&pluginCtx->allDoorsCtx.rear_left, eventName, eventStatus);
	}
	else if(strcasestr(eventName, "rear_right"))
	{
		context->searchNsetSignalValue(eventName,(uint64_t)timestamp, eventStatus);
		setDoor(&pluginCtx->allDoorsCtx.rear_right, eventName, eventStatus);
	}
	else
	{
		AFB_WARNING("Unexpected behavior, this '%s' is it really a door ! ", json_object_to_json_string(eventJ));
		return -1;
	}

	AFB_DEBUG("This is the situation: source:%s, args:%s, event:%s,\n fld: %s, flw: %s, frd: %s, frw: %s, rld: %s, rlw: %s, rrd: %s, rrw: %s",
	source->uid,
	argsJ ? json_object_to_json_string(argsJ):"",
	eventJ ? json_object_to_json_string(eventJ):"",
	pluginCtx->allDoorsCtx.front_left.door ? "true":"false",
	pluginCtx->allDoorsCtx.front_left.window ? "true":"false",
	pluginCtx->allDoorsCtx.front_right.door ? "true":"false",
	pluginCtx->allDoorsCtx.front_right.window ? "true":"false",
	pluginCtx->allDoorsCtx.rear_left.door ? "true":"false",
	pluginCtx->allDoorsCtx.rear_left.window ? "true":"false",
	pluginCtx->allDoorsCtx.rear_right.door ? "true":"false",
	pluginCtx->allDoorsCtx.rear_right.window ? "true":"false"
);

	return 0;
}

}