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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.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <LongBow/runtime.h>
#include <parc/algol/parc_Memory.h>
#include <ccnx/transport/transport_rta/core/rta_ComponentStats.h>
#include <ccnx/transport/transport_rta/core/rta_ProtocolStack.h>
struct rta_component_stats {
RtaProtocolStack *stack;
RtaComponents type;
uint64_t stats[STATS_LAST];
};
char *
rtaComponentStatType_ToString(RtaComponentStatType statsType)
{
switch (statsType) {
case STATS_OPENS:
return "opens";
case STATS_CLOSES:
return "closes";
case STATS_UPCALL_IN:
return "upcall_in";
case STATS_UPCALL_OUT:
return "upcall_out";
case STATS_DOWNCALL_IN:
return "downcall_in";
case STATS_DOWNCALL_OUT:
return "downcall_out";
default:
trapIllegalValue(statsType, "Unknown RtaComponentStatType %d", statsType);
}
}
/**
* Its ok to call with null stack. that just means when we increment, we won't
* also increment stack-wide stats
*
* Example:
* @code
* <#example#>
* @endcode
*/
RtaComponentStats *
rtaComponentStats_Create(RtaProtocolStack *stack, RtaComponents componentType)
{
RtaComponentStats *stats = parcMemory_AllocateAndClear(sizeof(RtaComponentStats));
assertNotNull(stats, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(RtaComponentStats));
assertTrue(componentType < LAST_COMPONENT, "invalid type %d\n", componentType);
stats->stack = stack;
stats->type = componentType;
return stats;
}
/* Increment and return incremented value */
uint64_t
rtaComponentStats_Increment(RtaComponentStats *stats, RtaComponentStatType statsType)
{
assertNotNull(stats, "%s dereferenced a null stats pointer\n", __func__);
assertFalse(statsType >= STATS_LAST, "%s incorrect stat type %d\n", __func__, statsType);
stats->stats[statsType]++;
if (stats->stack != NULL) {
RtaComponentStats *stack_stats = rtaProtocolStack_GetStats(stats->stack, stats->type);
// if stack is not null, then we must get stats from it
assertNotNull(stack_stats, "%s got null stack stats\n", __func__);
stack_stats->stats[statsType]++;
}
return stats->stats[statsType];
}
/* Return value */
uint64_t
rtaComponentStats_Get(RtaComponentStats *stats, RtaComponentStatType statsType)
{
assertNotNull(stats, "dereferenced a null stats pointer\n");
assertFalse(statsType >= STATS_LAST, "incorrect stat statsType %d\n", statsType);
return stats->stats[statsType];
}
/* dump the stats to the given output */
void
rtaComponentStats_Dump(RtaComponentStats *stats, FILE *output)
{
}
void
rtaComponentStats_Destroy(RtaComponentStats **statsPtr)
{
RtaComponentStats *stats;
assertNotNull(statsPtr, "%s got null stats pointer\n", __func__);
stats = *statsPtr;
assertNotNull(stats, "%s dereferenced a null stats pointer\n", __func__);
memset(stats, 0, sizeof(RtaComponentStats));
parcMemory_Deallocate((void **) &stats);
}
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