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vdr-plugin-iptv/statistics.c
2007-10-05 19:00:44 +00:00

131 lines
3.4 KiB
C

/*
* statistics.c: IPTV plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
* $Id: statistics.c,v 1.1 2007/10/05 19:00:44 ajhseppa Exp $
*/
#include "common.h"
#include "statistics.h"
// Section statistic class
cIptvSectionStatistics::cIptvSectionStatistics()
: filteredData(0),
numberOfCalls(0)
{
debug("cIptvSectionStatistics::cIptvSectionStatistics()\n");
}
cIptvSectionStatistics::~cIptvSectionStatistics()
{
debug("cIptvSectionStatistics::~cIptvSectionStatistics()\n");
}
char* cIptvSectionStatistics::GetStatistic()
{
debug("cIptvSectionStatistics::GetStatistic()\n");
char* retval;
asprintf(&retval, "Filtered data: %ld Data packets passed: %ld",
filteredData, numberOfCalls);
filteredData = numberOfCalls = 0;
return retval;
}
// Device statistic class
cIptvDeviceStatistics::cIptvDeviceStatistics()
: dataBytes(0)
{
debug("cIptvDeviceStatistics::cIptvDeviceStatistics()\n");
memset(mostActivePids, '\0', sizeof(mostActivePids));
}
cIptvDeviceStatistics::~cIptvDeviceStatistics()
{
debug("cIptvDeviceStatistics::~cIptvDeviceStatistics()\n");
}
char* cIptvDeviceStatistics::GetStatistic()
{
debug("cIptvDeviceStatistics::GetStatistic()\n");
char* retval;
asprintf(&retval, "Stream data bytes: %ld, Active Pids: 1: Pid %d %ld 2: Pid %d %ld 3: %d %ld", dataBytes, mostActivePids[0].pid,
mostActivePids[0].DataAmount, mostActivePids[1].pid,
mostActivePids[1].DataAmount, mostActivePids[2].pid,
mostActivePids[2].DataAmount);
dataBytes = 0;
memset(&mostActivePids, '\0', sizeof(mostActivePids));
return retval;
}
int SortFunc(const void* data1, const void* data2)
{
debug("cIptvDeviceStatistics::SortFunc()\n");
pidStruct *comp1 = (pidStruct*)data1;
pidStruct *comp2 = (pidStruct*)data2;
if (comp1->DataAmount > comp2->DataAmount)
return 1;
if (comp1->DataAmount < comp2->DataAmount)
return -1;
return 0;
}
void cIptvDeviceStatistics::UpdateActivePids(u_short pid, long payload)
{
debug("cIptvDeviceStatistics::UpdateActivePids()\n");
const int numberOfElements = sizeof(mostActivePids) / sizeof(pidStruct);
// If our statistic already is in the array, update it and quit
for (int i = 0; i < numberOfElements; ++i) {
if (mostActivePids[i].pid == pid) {
mostActivePids[i].DataAmount += payload;
// Now re-sort the array and quit
qsort(&mostActivePids, numberOfElements, sizeof(pidStruct), SortFunc);
return;
}
}
// Apparently our pid isn't in the array. Replace the last element with this
// one if new payload is greater
if (mostActivePids[numberOfElements - 1].DataAmount < payload) {
mostActivePids[numberOfElements - 1].pid = pid;
mostActivePids[numberOfElements - 1].DataAmount = payload;
}
// Re-sort
qsort(&mostActivePids, numberOfElements, sizeof(pidStruct), SortFunc);
}
// Streamer statistic class
cIptvStreamerStatistics::cIptvStreamerStatistics()
: dataBytes(0)
{
debug("cIptvStreamerStatistics::cIptvStreamerStatistics()\n");
}
cIptvStreamerStatistics::~cIptvStreamerStatistics()
{
debug("cIptvStreamerStatistics::~cIptvStreamerStatistics()\n");
}
char* cIptvStreamerStatistics::GetStatistic()
{
debug("cIptvStreamerStatistics::GetStatistic()\n");
char* retval;
asprintf(&retval, "Stream data bytes: %ld", dataBytes);
dataBytes = 0;
return retval;
}