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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 <stdio.h>
#include <ccnx/common/ccnx_Name.h>
#include <ccnx/transport/common/transport_MetaMessage.h>
#include <parc/algol/parc_HashMap.h>
#include <parc/algol/parc_DisplayIndented.h>
#include "iPing_Stats.h"
typedef struct ping_stats_entry {
uint64_t sendTimeInUs;
uint64_t rtt;
size_t size;
CCNxName *nameSent;
} CCNxPingStatsEntry;
struct ping_stats {
uint64_t totalRtt;
size_t totalReceived;
size_t totalSent;
size_t totalLost;
PARCHashMap *pings;
};
static bool _ccnxPingStatsEntry_Destructor(CCNxPingStatsEntry **statsPtr) {
CCNxPingStatsEntry *entry = *statsPtr;
ccnxName_Release(&entry->nameSent);
return true;
}
static bool _ccnxPingStats_Destructor(CCNxPingStats **statsPtr) {
CCNxPingStats *stats = *statsPtr;
parcHashMap_Release(&stats->pings);
return true;
}
parcObject_Override(CCNxPingStatsEntry,
PARCObject,
.destructor = (PARCObjectDestructor *) _ccnxPingStatsEntry_Destructor);
parcObject_ImplementAcquire(ccnxPingStatsEntry, CCNxPingStatsEntry);
parcObject_ImplementRelease(ccnxPingStatsEntry, CCNxPingStatsEntry);
CCNxPingStatsEntry *ccnxPingStatsEntry_Create() {
return parcObject_CreateInstance(CCNxPingStatsEntry);
}
parcObject_Override(CCNxPingStats, PARCObject, .destructor = (PARCObjectDestructor *) _ccnxPingStats_Destructor);
parcObject_ImplementAcquire(ccnxPingStats, CCNxPingStats);
parcObject_ImplementRelease(ccnxPingStats, CCNxPingStats);
CCNxPingStats *ccnxPingStats_Create(void) {
CCNxPingStats *stats = parcObject_CreateInstance(CCNxPingStats);
stats->pings = parcHashMap_Create();
stats->totalSent = 0;
stats->totalReceived = 0;
stats->totalRtt = 0;
return stats;
}
void ccnxPingStats_RecordRequest(CCNxPingStats *stats, CCNxName *name, uint64_t currentTime) {
CCNxPingStatsEntry *entry = ccnxPingStatsEntry_Create();
entry->nameSent = ccnxName_Acquire(name);
entry->sendTimeInUs = currentTime;
stats->totalSent++;
char *nameString = ccnxName_ToString(name);
printf("Insert entry %s\n", nameString);
parcMemory_Deallocate(&nameString);
parcHashMap_Put(stats->pings, name, entry);
}
uint64_t ccnxPingStats_RecordResponse(CCNxPingStats *stats,
CCNxName *nameResponse,
uint64_t currentTime,
CCNxMetaMessage *message,
bool *existing) {
CCNxPingStatsEntry *entry = (CCNxPingStatsEntry *) parcHashMap_Get(stats->pings, nameResponse);
if (entry != NULL) {
*existing = true;
stats->totalReceived++;
uint64_t rtt = currentTime - entry->sendTimeInUs;
stats->totalRtt += rtt;
ccnxPingStatsEntry_Release(&entry);
parcHashMap_Remove(stats->pings, nameResponse);
return rtt;
} else {
*existing = false;
char *nameString = ccnxName_ToString(nameResponse);
printf("No entry for name %s\n", nameString);
parcMemory_Deallocate(&nameString);
}
return 0;
}
size_t ccnxPingStats_RecordLost(CCNxPingStats *stats, CCNxName *nameResponse) {
//size_t pingsReceived = stats->totalReceived + 1;
CCNxPingStatsEntry *entry = (CCNxPingStatsEntry *) parcHashMap_Get(stats->pings, nameResponse);
if (entry != NULL) {
stats->totalLost++;
ccnxPingStatsEntry_Release(&entry);
parcHashMap_Remove(stats->pings, nameResponse);
}
return 0;
}
bool ccnxPingStats_Display(CCNxPingStats *stats) {
if (stats->totalReceived > 0) {
parcDisplayIndented_PrintLine(0,
"Sent = %zu : Received = %zu : AvgDelay %llu us",
stats->totalSent,
stats->totalReceived,
stats->totalRtt / stats->totalReceived);
return true;
}
return false;
}
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