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/*
* 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, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <systemd/sd-event.h>
#include "ctl-binding.h"
#define DEFAULT_PAUSE_DELAY 3000
#define DEFAULT_TEST_COUNT 1
typedef int (*timerCallbackT)(void *context);
typedef struct {
int value;
const char *label;
} AutoTestCtxT;
typedef struct TimerHandleS {
int count;
int delay;
AutoTestCtxT *context;
timerCallbackT callback;
sd_event_source *evtSource;
} TimerHandleT;
static afb_event afbevt;
STATIC int TimerNext (sd_event_source* source, uint64_t timer, void* handle) {
TimerHandleT *timerHandle = (TimerHandleT*) handle;
int done;
uint64_t usec;
// Rearm timer if needed
timerHandle->count --;
if (timerHandle->count == 0) sd_event_source_unref(source);
else {
// otherwise validate timer for a new run
sd_event_now(afb_daemon_get_event_loop(), CLOCK_MONOTONIC, &usec);
sd_event_source_set_enabled(source, SD_EVENT_ONESHOT);
sd_event_source_set_time(source, usec + timerHandle->delay);
}
done= timerHandle->callback(timerHandle->context);
if (!done) goto OnErrorExit;
return 0;
OnErrorExit:
AFB_WARNING("TimerNext Callback Fail Tag=%s", timerHandle->context->label);
return -1;
}
STATIC int DoSendEvent (void *context) {
AutoTestCtxT *ctx= (AutoTestCtxT*)context;
json_object *ctlEventJ;
if (ctx->value) ctx->value =0;
else ctx->value =1;
ctlEventJ = json_object_new_object();
json_object_object_add(ctlEventJ,"signal", json_object_new_string(ctx->label));
json_object_object_add(ctlEventJ,"value" , json_object_new_int(ctx->value));
int done = afb_event_push(afbevt, ctlEventJ);
AFB_NOTICE ("DoSendEvent {action: '%s', value:%d} status=%d", ctx->label, ctx->value, done);
return (done);
}
STATIC void TimerEvtStart(TimerHandleT *timerHandle, void *context) {
uint64_t usec;
// populate CB handle
timerHandle->callback=DoSendEvent;
timerHandle->context=context;
// set a timer with ~250us accuracy
sd_event_now(afb_daemon_get_event_loop(), CLOCK_MONOTONIC, &usec);
sd_event_add_time(afb_daemon_get_event_loop(), &timerHandle->evtSource, CLOCK_MONOTONIC, usec+timerHandle->delay, 250, TimerNext, timerHandle);
}
PUBLIC afb_event TimerEvtGet(void) {
return afbevt;
}
// Generated some fake event based on watchdog/counter
PUBLIC void ctlapi_event_test (afb_req request) {
json_object *queryJ, *tmpJ;
TimerHandleT *timerHandle = malloc (sizeof (TimerHandleT));
AutoTestCtxT *context = calloc (1, sizeof (AutoTestCtxT));
int done;
queryJ= afb_req_json(request);
// Closing call only has one parameter
done=json_object_object_get_ex(queryJ, "closing", &tmpJ);
if (done) return;
done=json_object_object_get_ex(queryJ, "label", &tmpJ);
if (!done) {
afb_req_fail_f(request, "TEST-LABEL-MISSING", "label is mandatory for event_test");
goto OnErrorExit;
}
context->label = strdup(json_object_get_string (tmpJ));
json_object_object_get_ex(queryJ, "delay", &tmpJ);
timerHandle->delay = json_object_get_int (tmpJ) * 1000;
if (timerHandle->delay == 0) timerHandle->delay=DEFAULT_PAUSE_DELAY * 1000;
json_object_object_get_ex(queryJ, "count", &tmpJ);
timerHandle->count = json_object_get_int (tmpJ);
if (timerHandle->count == 0) timerHandle->count=DEFAULT_TEST_COUNT;
// start a lool timer
TimerEvtStart (timerHandle, context);
afb_req_success(request, NULL, NULL);
return;
OnErrorExit:
return;
}
// Create Binding Event at Init
PUBLIC int TimerEvtInit () {
// create binder event to send test pause/resume
afbevt = afb_daemon_make_event("control");
if (!afb_event_is_valid(afbevt)) {
AFB_ERROR ("POLCTL_INIT: Cannot register ctl-events");
return 1;
}
AFB_DEBUG ("Audio Control-Events Init Done");
return 0;
}
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