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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* 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.
*/
/**
* *
* Example:
* @code
* <#example#>
* @endcode
*/
#include <config.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <sys/socket.h>
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
#include <LongBow/runtime.h>
#include <parc/algol/parc_Memory.h>
#include "rta_Framework.h"
#include "rta_ConnectionTable.h"
#include "rta_Framework_Commands.h"
#ifndef DEBUG_OUTPUT
#define DEBUG_OUTPUT 0
#endif
// This is implemented in rta_Framework_Commands
void
rtaFramework_DestroyProtocolHolder(RtaFramework *framework, FrameworkProtocolHolder *holder);
/**
* If running in non-threaded mode (you don't call _Start), you must manually
* turn the crank. This turns it for a single cycle.
* Return 0 on success, -1 on error (likely you're running in threaded mode)
*
* Example:
* @code
* <#example#>
* @endcode
*/
int
rtaFramework_NonThreadedStep(RtaFramework *framework)
{
if (framework->status == FRAMEWORK_INIT) {
framework->status = FRAMEWORK_SETUP;
}
assertTrue(framework->status == FRAMEWORK_SETUP,
"Framework invalid state for non-threaded, expected %d got %d",
FRAMEWORK_SETUP,
framework->status
);
if (framework->status != FRAMEWORK_SETUP) {
return -1;
}
if (parcEventScheduler_Start(framework->base, PARCEventSchedulerDispatchType_LoopOnce) < 0) {
return -1;
}
return 0;
}
/**
* If running in non-threaded mode (you don't call _Start), you must manually
* turn the crank. This turns it for a number of cycles.
* Return 0 on success, -1 on error (likely you're running in threaded mode)
*
* Example:
* @code
* <#example#>
* @endcode
*/
int
rtaFramework_NonThreadedStepCount(RtaFramework *framework, unsigned count)
{
if (framework->status == FRAMEWORK_INIT) {
framework->status = FRAMEWORK_SETUP;
}
assertTrue(framework->status == FRAMEWORK_SETUP,
"Framework invalid state for non-threaded, expected %d got %d",
FRAMEWORK_SETUP,
framework->status
);
if (framework->status != FRAMEWORK_SETUP) {
return -1;
}
while (count-- > 0) {
if (parcEventScheduler_Start(framework->base, PARCEventSchedulerDispatchType_LoopOnce) < 0) {
return -1;
}
}
return 0;
}
/**
* If running in non-threaded mode (you don't call _Start), you must manually
* turn the crank. This turns it for a given amount of time.
* Return 0 on success, -1 on error (likely you're running in threaded mode)
*
* Example:
* @code
* <#example#>
* @endcode
*/
int
rtaFramework_NonThreadedStepTimed(RtaFramework *framework, struct timeval *duration)
{
if (framework->status == FRAMEWORK_INIT) {
framework->status = FRAMEWORK_SETUP;
}
assertTrue(framework->status == FRAMEWORK_SETUP,
"Framework invalid state for non-threaded, expected %d got %d",
FRAMEWORK_SETUP,
framework->status
);
if (framework->status != FRAMEWORK_SETUP) {
return -1;
}
parcEventScheduler_Stop(framework->base, duration);
if (parcEventScheduler_Start(framework->base, 0) < 0) {
return -1;
}
return 0;
}
/**
* After a protocol stack is created, you need to Teardown. If you
* are running in threaded mode (did a _Start), you should send an asynchronous
* SHUTDOWN command instead. This function only works if in the SETUP state
*
* Example:
* @code
* <#example#>
* @endcode
*/
int
rtaFramework_Teardown(RtaFramework *framework)
{
FrameworkProtocolHolder *holder;
assertNotNull(framework, "called with null framework");
if (DEBUG_OUTPUT) {
printf("%9" PRIu64 " %s framework %p\n",
rtaFramework_GetTicks(framework),
__func__, (void *) framework);
}
// %%% LOCK
rta_Framework_LockStatus(framework);
if (framework->status != FRAMEWORK_SETUP) {
RtaFrameworkStatus status = framework->status;
rta_Framework_UnlockStatus(framework);
// %%% UNLOCK
assertTrue(0, "Invalid state, expected FRAMEWORK_SETUP, got %d", status);
return -1;
}
holder = TAILQ_FIRST(&framework->protocols_head);
while (holder != NULL) {
FrameworkProtocolHolder *temp = TAILQ_NEXT(holder, list);
rtaFramework_DestroyProtocolHolder(framework, holder);
holder = temp;
}
framework->status = FRAMEWORK_TEARDOWN;
rta_Framework_BroadcastStatus(framework);
rta_Framework_UnlockStatus(framework);
// %%% UNLOCK
return 0;
}
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