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#include <unistd.h>
#include <setjmp.h>
#include <signal.h>
#include <string.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <time.h>
#include "bandwidthd.h"
#ifdef HAVE_ARPA_NAMESER_H
#include <arpa/nameser.h>
#endif
#ifdef HAVE_RESOLV_H
#include <resolv.h>
#endif
extern unsigned int SubnetCount;
extern struct config config;
jmp_buf dnsjump;
static void rdnslngjmp(int signal);
void rdns(char *Buffer, unsigned long IP) // This takes over sigalarm!
{
#ifdef HAVE_RESOLV_H
char DNSError[] = "DNS Timeout: Correct to speed up graphing";
char None[] = "Configure DNS to reverse this IP";
char TooManyDNSTimeouts[] = "Too many dns timeouts, reverse lookups suspended";
struct hostent *hostent;
char chrIP[50];
static int Init = TRUE;
static int DNSTimeouts = 0; // This is reset for each run because we're forked
unsigned long addr = htonl(IP);
_res.retrans = 1;
_res.retry = 2;
if (Init)
{
signal(SIGALRM, rdnslngjmp);
Init = FALSE;
}
if (DNSTimeouts > 100)
{
syslog(LOG_ERR, "Too many dns timeouts, reverse lookups suspended");
strncpy(Buffer, TooManyDNSTimeouts, 253);
Buffer[254] = '\0';
return;
}
if (setjmp(dnsjump) == 0)
{
alarm(10); // Don't let gethostbyaddr hold us up too long
hostent = gethostbyaddr((char *) &addr, 4, AF_INET); // (char *)&Data->IP
alarm(0);
if (hostent)
sprintf(Buffer, "%s", hostent->h_name);
else
{
strncpy(Buffer, None, 253);
Buffer[254] = '\0';
}
}
else // Our alarm timed out
{
HostIp2CharIp(IP, chrIP);
syslog(LOG_ERR, "DNS timeout for %s: This problem reduces graphing performance", chrIP);
DNSTimeouts++;
strncpy(Buffer, DNSError, 253);
Buffer[254] = '\0';
}
#else
Buffer[0] = '\0';
#endif
}
static void rdnslngjmp(int signal)
{
longjmp(dnsjump, 1);
}
void swap(struct SummaryData **a, struct SummaryData **b) {
struct SummaryData *temp;
temp = *a; *a = *b; *b = temp;
}
void QuickSortSummaryData(struct SummaryData *SummaryData[], int left, int right) {
int i,j,center;
unsigned long long pivot;
if (left==right) return;
if (left+1==right) {
if (SummaryData[left]->Total < SummaryData[right]->Total)
swap(&SummaryData[left],&SummaryData[right]);
return;
}
/* use the median-of-three method for picking pivot */
center = (left+right)/2;
if (SummaryData[left]->Total < SummaryData[center]->Total)
swap(&SummaryData[left],&SummaryData[center]);
if (SummaryData[left]->Total < SummaryData[right]->Total)
swap(&SummaryData[left],&SummaryData[right]);
if (SummaryData[center]->Total < SummaryData[right]->Total)
swap(&SummaryData[center],&SummaryData[right]);
pivot = SummaryData[center]->Total;
swap(&SummaryData[center],&SummaryData[right-1]); /* hide the pivot */
i = left; j = right - 1;
do {
do { ++i; } while (SummaryData[i]->Total > pivot);
do { --j; } while (SummaryData[j]->Total < pivot);
swap(&SummaryData[i],&SummaryData[j]);
} while (j > i);
swap(&SummaryData[i],&SummaryData[j]); /* undo last swap */
swap(&SummaryData[i],&SummaryData[right-1]); /* restore pivot */
QuickSortSummaryData(SummaryData,left,i-1);
QuickSortSummaryData(SummaryData,i+1,right);
}
#define NumFactor 1024
static void FormatNum(unsigned long long n, char *buf, int len) {
double f;
if (n<NumFactor) { snprintf(buf,len,"<td align=\"right\"><tt>%i </tt></td>",(int)n); return; }
f = n;
f /= NumFactor; if (f<NumFactor) { snprintf(buf,len,"<td align=\"right\"><tt>%.1fK</tt></td>",f); return; }
f /= NumFactor; if (f<NumFactor) { snprintf(buf,len,"<td align=\"right\"><tt>%.1fM</tt></td>",f); return; }
f /= NumFactor; if (f<NumFactor) { snprintf(buf,len,"<td align=\"right\"><tt>%.1fG</tt></td>",f); return; }
f /= NumFactor; snprintf(buf,len,"<td align=\"right\"><tt>%.1fT</tt></td>\n",f);
}
void PrintTableLine(FILE *stream, struct SummaryData *Data, int Counter)
{
char Buffer1[50];
char Buffer2[50];
char Buffer3[50];
char Buffer4[50];
char Buffer4b[50];
char Buffer5[50];
char Buffer5b[50];
char Buffer6[50];
char Buffer7[50];
char Buffer8[50];
// First convert the info to nice, human readable stuff
if (Data->IP == 0)
strcpy(Buffer1, "Total");
else
HostIp2CharIp(Data->IP, Buffer1);
FormatNum(Data->Total, Buffer2, 50);
FormatNum(Data->TotalSent, Buffer3, 50);
FormatNum(Data->TotalReceived, Buffer4, 50);
FormatNum(Data->FTP, Buffer4b, 50);
FormatNum(Data->HTTP, Buffer5, 50);
FormatNum(Data->P2P, Buffer5b, 50);
FormatNum(Data->TCP, Buffer6, 50);
FormatNum(Data->UDP, Buffer7, 50);
FormatNum(Data->ICMP, Buffer8, 50);
if (Counter%4 == 0 || (Counter-1)%4 == 0)
fprintf(stream, "<TR>");
else
fprintf(stream, "<TR bgcolor=lightblue>");
if (Data->Graph)
fprintf(stream, "<TD><a href=\"#%s-%c\">%s</a></TD>%s%s%s%s%s%s%s%s%s</TR>\n",
Buffer1, // Ip
config.tag,
Buffer1, // Ip
Buffer2, // Total
Buffer3, // TotalSent
Buffer4, // TotalReceived
Buffer4b, // FTP
Buffer5, // HTTP
Buffer5b, // P2P
Buffer6, // TCP
Buffer7, // UDP
Buffer8); // ICMP
else
fprintf(stream, "<TD>%s</TD>%s%s%s%s%s%s%s%s%s</TR>\n",
Buffer1, // Ip
Buffer2, // Total
Buffer3, // TotalSent
Buffer4, // TotalReceived
Buffer4b, // FTP
Buffer5, // HTTP
Buffer5b, // P2P
Buffer6, // TCP
Buffer7, // UDP
Buffer8); // ICMP
}
void MakeIndexPages(int NumIps, struct SummaryData *SummaryData[])
{
int SubnetCounter;
int Counter, tCounter;
time_t WriteTime;
char filename[MAX_FILENAME];
char *PeriodDesc;
FILE *file;
char Buffer1[50];
char Buffer2[50];
char HostName[255];
WriteTime = time(NULL);
QuickSortSummaryData(SummaryData, 0, NumIps-1);
////////////////////////////////////////////////
// Print main index page
if (config.tag == '1')
{
snprintf(filename, MAX_FILENAME, "%s/index.html", config.htdocs_dir);
if ((file = fopen(filename, "wt")) == NULL)
{
syslog(LOG_ERR, "Failed to open %s", filename);
exit(1);
}
}
else
{
snprintf(filename, MAX_FILENAME, "%s/index%c.html", config.htdocs_dir, config.tag);
if ((file = fopen(filename, "wt")) == NULL)
{
syslog(LOG_ERR, "Failed to open %s", filename);
exit(1);
}
}
switch (config.tag)
{
case '1': PeriodDesc = "Daily"; break;
case '2': PeriodDesc = "Weekly"; break;
case '3': PeriodDesc = "Monthly"; break;
case '4': PeriodDesc = "Yearly"; break;
default: PeriodDesc = ""; break;
}
fprintf(file, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n");
fprintf(file, "<HTML>\n<HEAD>\n<TITLE>Bandwidthd</TITLE>\n");
if (config.meta_refresh)
fprintf(file, "<META HTTP-EQUIV=\"REFRESH\" content=\"%u\">\n",
config.meta_refresh);
fprintf(file, "<META HTTP-EQUIV=\"EXPIRES\" content=\"-1\">\n");
fprintf(file, "<META HTTP-EQUIV=\"PRAGMA\" content=\"no-cache\">\n");
fprintf(file, "</HEAD>\n<BODY vlink=blue>\n%s<br>\n<center><img src=\"logo.gif\" ALT=\"Logo\"><BR>\n", ctime(&WriteTime));
fprintf(file, "Programmed by David Hinkle, Commissioned by <a href=\"http://www.derbytech.com\">DerbyTech</a> wireless networking.<BR>");
fprintf(file, "<BR>\n - <a href=\"index.html\">Daily</a> -- <a href=\"index2.html\">Weekly</a> -- ");
fprintf(file, "<a href=\"index3.html\">Monthly</a> -- <a href=\"index4.html\">Yearly</a> - <BR>\n");
fprintf(file, "<BR>\nPick a Subnet:<BR>\n");
if (config.tag == '1')
fprintf(file, "- <a href=\"index.html\">Top20</a> -");
else
fprintf(file, "- <a href=\"index%c.html\">Top20</a> -", config.tag);
for (Counter = 0; Counter < SubnetCount; Counter++)
{
HostIp2CharIp(SubnetTable[Counter].ip, Buffer1);
fprintf(file, "- <a href=\"Subnet-%c-%s.html\">%s</a> -", config.tag, Buffer1, Buffer1);
}
///// TOP 20
fprintf(file, "<H1>Top 20 IPs by Traffic - %s</H1></center>", PeriodDesc);
fprintf(file, "<center>\n<table width=\"100%%\" border=1 cellspacing=0>\n");
// PASS 1: Write out the table
fprintf(file, "<TR bgcolor=lightblue><TD>Ip and Name<TD align=center>Total<TD align=center>Total Sent<TD align=center>Total Received<TD align=center>FTP<TD align=center>HTTP<TD align=center>P2P<TD align=center>TCP<TD align=center>UDP<TD align=center>ICMP\n");
for (Counter=0; Counter < 21 && Counter < NumIps; Counter++)
PrintTableLine(file, SummaryData[Counter], Counter);
fprintf(file, "</table></center>\n");
// PASS 2: The graphs
for (Counter=0; Counter < 21 && Counter < NumIps; Counter++)
if (SummaryData[Counter]->Graph)
{
if (SummaryData[Counter]->IP == 0)
{
strcpy(Buffer1, "Total");
strcpy(HostName, "Total of all subnets");
}
else
{
HostIp2CharIp(SummaryData[Counter]->IP, Buffer1);
rdns(HostName, SummaryData[Counter]->IP);
}
fprintf(file, "<a name=\"%s-%c\"></a><H1><a href=\"#top\">(Top)</a> %s - %s</H1><BR>\nSend:<br>\n<img src=%s-%c-S.png ALT=\"Sent traffic for %s\"><BR>\n<img src=legend.gif ALT=\"Legend\"><br>\nReceived:<br>\n<img src=%s-%c-R.png ALT=\"Sent traffic for %s\"><BR>\n<img src=legend.gif ALT=\"Legend\"><br>\n<BR>\n", Buffer1, config.tag, Buffer1, HostName, Buffer1, config.tag, Buffer1, Buffer1, config.tag, Buffer1);
}
fprintf(file, "</BODY></HTML>\n");
fclose(file);
////////////////////////////////////////////////
// Print each subnet page
for (SubnetCounter = 0; SubnetCounter < SubnetCount; SubnetCounter++)
{
HostIp2CharIp(SubnetTable[SubnetCounter].ip, Buffer1);
snprintf(filename, MAX_FILENAME, "%s/Subnet-%c-%s.html", config.htdocs_dir, config.tag, Buffer1);
if ((file = fopen(filename, "wt")) == NULL)
{
syslog(LOG_ERR, "Failed to open %s", filename);
exit(1);
}
fprintf(file, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n");
fprintf(file, "<HTML>\n<HEAD><TITLE>Bandwidthd - Subnet %s</TITLE>\n", Buffer1);
if (config.meta_refresh)
fprintf(file, "<META HTTP-EQUIV=\"REFRESH\" content=\"%u\">\n",
config.meta_refresh);
fprintf(file, "<META HTTP-EQUIV=\"EXPIRES\" content=\"-1\">\n");
fprintf(file, "<META HTTP-EQUIV=\"PRAGMA\" content=\"no-cache\">\n");
fprintf(file, "</HEAD>\n<BODY vlink=blue>\n%s<br>\n<CENTER><a name=\"Top\"></a>", ctime(&WriteTime));
fprintf(file, "<img src=\"logo.gif\" ALT=\"Logo\"><BR>");
fprintf(file, "Programmed by David Hinkle, Commissioned by <a href=\"http://www.derbytech.com\">DerbyTech</a> wireless networking.<BR>\n");
fprintf(file, "<BR>\n - <a href=\"index.html\">Daily</a> -- <a href=\"index2.html\">Weekly</a> -- ");
fprintf(file, "<a href=\"index3.html\">Monthly</a> -- <a href=\"index4.html\">Yearly</a> - <BR>\n");
fprintf(file, "<BR>\nPick a Subnet:<BR>\n");
if (config.tag == '1')
fprintf(file, "- <a href=\"index.html\">Top20</a> -");
else
fprintf(file, "- <a href=\"index%c.html\">Top20</a> -", config.tag);
for (Counter = 0; Counter < SubnetCount; Counter++)
{
HostIp2CharIp(SubnetTable[Counter].ip, Buffer2);
fprintf(file, "- <a href=\"Subnet-%c-%s.html\">%s</a> -", config.tag, Buffer2, Buffer2);
}
fprintf(file, "<H1>%s - %s</H1></center>", Buffer1, PeriodDesc);
fprintf(file, "<table width=\"100%%\" border=1 cellspacing=0>\n");
// PASS 1: Write out the table
fprintf(file, "<TR bgcolor=lightblue><TD>Ip and Name<TD align=center>Total<TD align=center>Total Sent<TD align=center>Total Received<TD align=center>FTP<TD align=center>HTTP<TD align=center>P2P<TD align=center>TCP<TD align=center>UDP<TD align=center>ICMP\n");
for (tCounter=0, Counter=0; Counter < NumIps; Counter++)
{
if (SubnetTable[SubnetCounter].ip == (SummaryData[Counter]->IP & SubnetTable[SubnetCounter].mask))
{ // The ip belongs to this subnet
PrintTableLine(file, SummaryData[Counter], tCounter++);
}
}
fprintf(file, "</table>\n");
// PASS 2: The graphs
for (Counter=0; Counter < NumIps; Counter++)
{
if (SubnetTable[SubnetCounter].ip == (SummaryData[Counter]->IP & SubnetTable[SubnetCounter].mask))
{ // The ip belongs to this subnet
if (SummaryData[Counter]->Graph)
{
HostIp2CharIp(SummaryData[Counter]->IP, Buffer1);
rdns(HostName, SummaryData[Counter]->IP);
fprintf(file, "<a name=\"%s-%c\"></a><H1><a href=\"#top\">(Top)</a> %s - %s</H1><BR>\nSend:<br>\n<img src=%s-%c-S.png ALT=\"Sent traffic graph for %s\"><BR>\n<img src=legend.gif ALT=\"Legend\"><br>\nReceived:<br>\n<img src=%s-%c-R.png ALT=\"Received traffic for %s\"><BR>\n<img src=legend.gif ALT=\"Legend\"><br>\n<BR>\n", Buffer1, config.tag, Buffer1, HostName, Buffer1, config.tag, Buffer1, Buffer1, config.tag, Buffer1);
}
}
}
fprintf(file, "</BODY></HTML>\n");
fclose(file);
}
free(SummaryData);
}
void GraphIp(struct IPDataStore *DataStore, struct SummaryData *SummaryData, time_t timestamp)
{
FILE *OutputFile;
char filename[MAX_FILENAME];
gdImagePtr im, im2;
int white;
unsigned long long int YMax;
char CharIp[20];
time_t GraphBeginTime;
// TODO: First determine if graph will be printed before creating image and drawing backround, etc
if (DataStore->ip == 0)
strcpy(CharIp, "Total");
else
HostIp2CharIp(DataStore->ip, CharIp);
GraphBeginTime = timestamp - config.range;
im = gdImageCreate(XWIDTH, YHEIGHT);
white = gdImageColorAllocate(im, 255, 255, 255);
//gdImageFill(im, 10, 10, white);
im2 = gdImageCreate(XWIDTH, YHEIGHT);
white = gdImageColorAllocate(im2, 255, 255, 255);
//gdImageFill(im2, 10, 10, white);
YMax = GraphData(im, im2, DataStore, GraphBeginTime, SummaryData);
if (YMax != 0)
{
// Finish the graph
PrepareXAxis(im, timestamp);
PrepareYAxis(im, YMax);
PrepareXAxis(im2, timestamp);
PrepareYAxis(im2, YMax);
snprintf(filename, MAX_FILENAME, "%s/%s-%c-S.png", config.htdocs_dir, CharIp, config.tag);
if ((OutputFile = fopen(filename, "wb")) == NULL)
{
syslog(LOG_ERR, "Failed to open %s", filename);
exit(1);
}
gdImagePng(im, OutputFile);
fclose(OutputFile);
snprintf(filename, MAX_FILENAME, "%s/%s-%c-R.png", config.htdocs_dir, CharIp, config.tag);
if ((OutputFile = fopen(filename, "wb")) == NULL)
{
syslog(LOG_ERR, "Failed to open %s", filename);
exit(1);
}
gdImagePng(im2, OutputFile);
fclose(OutputFile);
}
else
{
// The graph isn't worth clutering up the web pages with
sprintf(filename, "%s/htdocs/%s-%c-R.png", config.htdocs_dir, CharIp, config.tag);
unlink(filename);
sprintf(filename, "%s/htdocs/%s-%c-S.png", config.htdocs_dir, CharIp, config.tag);
unlink(filename);
}
gdImageDestroy(im);
gdImageDestroy(im2);
}
// Returns YMax
unsigned long long int GraphData(gdImagePtr im, gdImagePtr im2, struct IPDataStore *DataStore, time_t timestamp, struct SummaryData *SummaryData)
{
unsigned long long int YMax=0;
struct DataStoreBlock *CurrentBlock;
struct IPData *Data;
// TODO: These should be a structure!!!!
// TODO: This is an awfull lot of data to be allocated on the stack
unsigned long long total[XWIDTH];
unsigned long long icmp[XWIDTH];
unsigned long long udp[XWIDTH];
unsigned long long tcp[XWIDTH];
unsigned long long ftp[XWIDTH];
unsigned long long http[XWIDTH];
unsigned long long p2p[XWIDTH];
int Count[XWIDTH];
unsigned long long total2[XWIDTH];
unsigned long long icmp2[XWIDTH];
unsigned long long udp2[XWIDTH];
unsigned long long tcp2[XWIDTH];
unsigned long long ftp2[XWIDTH];
unsigned long long http2[XWIDTH];
unsigned long long p2p2[XWIDTH];
size_t DataPoints;
double x;
int xint;
int Counter;
char Buffer[30];
char Buffer2[50];
int blue, lblue, red, yellow, purple, green, brown, black;
int blue2, lblue2, red2, yellow2, purple2, green2, brown2, black2;
unsigned long long int SentPeak = 0;
unsigned long long int ReceivedPeak = 0;
yellow = gdImageColorAllocate(im, 255, 255, 0);
purple = gdImageColorAllocate(im, 255, 0, 255);
green = gdImageColorAllocate(im, 0, 255, 0);
blue = gdImageColorAllocate(im, 0, 0, 255);
lblue = gdImageColorAllocate(im, 128, 128, 255);
brown = gdImageColorAllocate(im, 128, 0, 0);
red = gdImageColorAllocate(im, 255, 0, 0);
black = gdImageColorAllocate(im, 0, 0, 0);
yellow2 = gdImageColorAllocate(im2, 255, 255, 0);
purple2 = gdImageColorAllocate(im2, 255, 0, 255);
green2 = gdImageColorAllocate(im2, 0, 255, 0);
blue2 = gdImageColorAllocate(im2, 0, 0, 255);
lblue2 = gdImageColorAllocate(im2, 128, 128, 255);
brown2 = gdImageColorAllocate(im2, 128, 0, 0);
red2 = gdImageColorAllocate(im2, 255, 0, 0);
black2 = gdImageColorAllocate(im2, 0, 0, 0);
CurrentBlock = DataStore->FirstBlock;
Data = CurrentBlock->Data;
DataPoints = CurrentBlock->NumEntries;
memset(SummaryData, 0, sizeof(struct SummaryData));
SummaryData->IP = Data[0].ip;
memset(Count, 0, sizeof(Count[0])*XWIDTH);
memset(total, 0, sizeof(total[0])*XWIDTH);
memset(icmp, 0, sizeof(total[0])*XWIDTH);
memset(udp, 0, sizeof(total[0])*XWIDTH);
memset(tcp, 0, sizeof(total[0])*XWIDTH);
memset(ftp, 0, sizeof(total[0])*XWIDTH);
memset(http, 0, sizeof(total[0])*XWIDTH);
memset(p2p, 0, sizeof(total[0])*XWIDTH);
memset(total2, 0, sizeof(total[0])*XWIDTH);
memset(icmp2, 0, sizeof(total[0])*XWIDTH);
memset(udp2, 0, sizeof(total[0])*XWIDTH);
memset(tcp2, 0, sizeof(total[0])*XWIDTH);
memset(ftp2, 0, sizeof(total[0])*XWIDTH);
memset(http2, 0, sizeof(total[0])*XWIDTH);
memset(p2p2, 0, sizeof(total[0])*XWIDTH);
// Change this to just run through all the datapoints we have stored in ram
// Sum up the bytes/second
while(DataPoints > 0) // We have data to graph
{
for (Counter = 0; Counter < DataPoints; Counter++) // Graph it all
{
x = (Data[Counter].timestamp-timestamp)*((XWIDTH-XOFFSET)/config.range)+XOFFSET;
xint = x;
if (xint >= 0 && xint < XWIDTH)
{
Count[xint]++;
if (Data[Counter].Send.total > SentPeak)
SentPeak = Data[Counter].Send.total;
total[xint] += Data[Counter].Send.total;
icmp[xint] += Data[Counter].Send.icmp;
udp[xint] += Data[Counter].Send.udp;
tcp[xint] += Data[Counter].Send.tcp;
ftp[xint] += Data[Counter].Send.ftp;
http[xint] += Data[Counter].Send.http;
p2p[xint] += Data[Counter].Send.p2p;
if (Data[Counter].Receive.total > ReceivedPeak)
ReceivedPeak = Data[Counter].Receive.total;
total2[xint] += Data[Counter].Receive.total;
icmp2[xint] += Data[Counter].Receive.icmp;
udp2[xint] += Data[Counter].Receive.udp;
tcp2[xint] += Data[Counter].Receive.tcp;
ftp2[xint] += Data[Counter].Receive.ftp;
http2[xint] += Data[Counter].Receive.http;
p2p2[xint] += Data[Counter].Receive.p2p;
}
}
CurrentBlock = CurrentBlock->Next;
if (CurrentBlock)
{
Data = CurrentBlock->Data;
DataPoints = CurrentBlock->NumEntries;
}
else
DataPoints = 0;
}
// Convert SentPeak and ReceivedPeak from bytes to bytes/second
SentPeak /= config.interval; ReceivedPeak /= config.interval;
// Preform the Average
for(Counter=XOFFSET+1; Counter < XWIDTH; Counter++)
{
if (Count[Counter] > 0)
{
SummaryData->Total += total[Counter] + total2[Counter];
SummaryData->TotalSent += total[Counter];
SummaryData->TotalReceived += total2[Counter];
SummaryData->TCP += tcp[Counter] + tcp2[Counter];
SummaryData->FTP += ftp[Counter] + ftp2[Counter];
SummaryData->HTTP += http[Counter] + http2[Counter];
SummaryData->P2P += p2p[Counter] + p2p2[Counter];
SummaryData->UDP += udp[Counter] + udp2[Counter];
SummaryData->ICMP += icmp[Counter] + icmp2[Counter];
// Preform the average
total[Counter] /= (Count[Counter]*config.interval);
tcp[Counter] /= (Count[Counter]*config.interval);
ftp[Counter] /= (Count[Counter]*config.interval);
http[Counter] /= (Count[Counter]*config.interval);
p2p[Counter] /= (Count[Counter]*config.interval);
udp[Counter] /= (Count[Counter]*config.interval);
icmp[Counter] /= (Count[Counter]*config.interval);
total2[Counter] /= (Count[Counter]*config.interval);
tcp2[Counter] /= (Count[Counter]*config.interval);
ftp2[Counter] /= (Count[Counter]*config.interval);
http2[Counter] /= (Count[Counter]*config.interval);
p2p2[Counter] /= (Count[Counter]*config.interval);
udp2[Counter] /= (Count[Counter]*config.interval);
icmp2[Counter] /= (Count[Counter]*config.interval);
if (total[Counter] > YMax)
YMax = total[Counter];
if (total2[Counter] > YMax)
YMax = total2[Counter];
}
}
YMax += YMax*0.05; // Add an extra 5%
if ((SummaryData->IP != 0 && SummaryData->Total < config.graph_cutoff))
{
SummaryData->Graph = FALSE;
return(0);
}
else
SummaryData->Graph = TRUE;
// Plot the points
for(Counter=XOFFSET+1; Counter < XWIDTH; Counter++)
{
if (Count[Counter] > 0)
{
// Convert the bytes/sec to y coords
total[Counter] = (total[Counter]*(YHEIGHT-YOFFSET))/YMax;
tcp[Counter] = (tcp[Counter]*(YHEIGHT-YOFFSET))/YMax;
ftp[Counter] = (ftp[Counter]*(YHEIGHT-YOFFSET))/YMax;
http[Counter] = (http[Counter]*(YHEIGHT-YOFFSET))/YMax;
p2p[Counter] = (p2p[Counter]*(YHEIGHT-YOFFSET))/YMax;
udp[Counter] = (udp[Counter]*(YHEIGHT-YOFFSET))/YMax;
icmp[Counter] = (icmp[Counter]*(YHEIGHT-YOFFSET))/YMax;
total2[Counter] = (total2[Counter]*(YHEIGHT-YOFFSET))/YMax;
tcp2[Counter] = (tcp2[Counter]*(YHEIGHT-YOFFSET))/YMax;
ftp2[Counter] = (ftp2[Counter]*(YHEIGHT-YOFFSET))/YMax;
http2[Counter] = (http2[Counter]*(YHEIGHT-YOFFSET))/YMax;
p2p2[Counter] = (p2p2[Counter]*(YHEIGHT-YOFFSET))/YMax;
udp2[Counter] = (udp2[Counter]*(YHEIGHT-YOFFSET))/YMax;
icmp2[Counter] = (icmp2[Counter]*(YHEIGHT-YOFFSET))/YMax;
// Stack 'em up!
// Total is stacked from the bottom
// Icmp is on the bottom too
// Udp is stacked on top of icmp
udp[Counter] += icmp[Counter];
udp2[Counter] += icmp2[Counter];
// TCP and p2p are stacked on top of Udp
tcp[Counter] += udp[Counter];
tcp2[Counter] += udp2[Counter];
p2p[Counter] += udp[Counter];
p2p2[Counter] += udp2[Counter];
// Http is stacked on top of p2p
http[Counter] += p2p[Counter];
http2[Counter] += p2p2[Counter];
// Ftp is stacked on top of http
ftp[Counter] += http[Counter];
ftp2[Counter] += http2[Counter];
// Plot them!
// Sent
gdImageLine(im, Counter, (YHEIGHT-YOFFSET) - total[Counter], Counter, YHEIGHT-YOFFSET-1, yellow);
gdImageLine(im, Counter, (YHEIGHT-YOFFSET) - icmp[Counter], Counter, YHEIGHT-YOFFSET-1, red);
gdImageLine(im, Counter, (YHEIGHT-YOFFSET) - udp[Counter], Counter, (YHEIGHT-YOFFSET) - icmp[Counter] - 1, brown);
gdImageLine(im, Counter, (YHEIGHT-YOFFSET) - tcp[Counter], Counter, (YHEIGHT-YOFFSET) - udp[Counter] - 1, green);
gdImageLine(im, Counter, (YHEIGHT-YOFFSET) - p2p[Counter], Counter, (YHEIGHT-YOFFSET) - udp[Counter] - 1, purple);
gdImageLine(im, Counter, (YHEIGHT-YOFFSET) - http[Counter], Counter, (YHEIGHT-YOFFSET) - p2p[Counter] - 1, blue);
gdImageLine(im, Counter, (YHEIGHT-YOFFSET) - ftp[Counter], Counter, (YHEIGHT-YOFFSET) - http[Counter] - 1, lblue);
// Receive
gdImageLine(im2, Counter, (YHEIGHT-YOFFSET) - total2[Counter], Counter, YHEIGHT-YOFFSET-1, yellow2);
gdImageLine(im2, Counter, (YHEIGHT-YOFFSET) - icmp2[Counter], Counter, YHEIGHT-YOFFSET-1, red2);
gdImageLine(im2, Counter, (YHEIGHT-YOFFSET) - udp2[Counter], Counter, (YHEIGHT-YOFFSET) - icmp2[Counter] - 1, brown2);
gdImageLine(im2, Counter, (YHEIGHT-YOFFSET) - tcp2[Counter], Counter, (YHEIGHT-YOFFSET) - udp2[Counter] - 1, green2);
gdImageLine(im2, Counter, (YHEIGHT-YOFFSET) - p2p2[Counter], Counter, (YHEIGHT-YOFFSET) - udp2[Counter] - 1, purple2);
gdImageLine(im2, Counter, (YHEIGHT-YOFFSET) - http2[Counter], Counter, (YHEIGHT-YOFFSET) - p2p2[Counter] - 1, blue2);
gdImageLine(im2, Counter, (YHEIGHT-YOFFSET) - ftp2[Counter], Counter, (YHEIGHT-YOFFSET) - http2[Counter] - 1, lblue2);
}
}
if (SentPeak < 1024/8)
snprintf(Buffer2, 50, "Peak Send Rate: %.1f Bits/sec", (double)SentPeak*8);
else if (SentPeak < (1024*1024)/8)
snprintf(Buffer2, 50, "Peak Send Rate: %.1f KBits/sec", ((double)SentPeak*8.0)/1024.0);
else snprintf(Buffer2, 50, "Peak Send Rate: %.1f MBits/sec", ((double)SentPeak*8.0)/(1024.0*1024.0));
if (SummaryData->TotalSent < 1024)
snprintf(Buffer, 30, "Sent %.1f Bytes", (double)SummaryData->TotalSent);
else if (SummaryData->TotalSent < 1024*1024)
snprintf(Buffer, 30, "Sent %.1f KBytes", (double)SummaryData->TotalSent/1024.0);
else snprintf(Buffer, 30, "Sent %.1f MBytes", (double)SummaryData->TotalSent/(1024.0*1024.0));
gdImageString(im, gdFontSmall, XOFFSET+5, YHEIGHT-20, Buffer, black);
gdImageString(im, gdFontSmall, XWIDTH/2+XOFFSET/2, YHEIGHT-20, Buffer2, black);
if (ReceivedPeak < 1024/8)
snprintf(Buffer2, 50, "Peak Receive Rate: %.1f Bits/sec", (double)ReceivedPeak*8);
else if (ReceivedPeak < (1024*1024)/8)
snprintf(Buffer2, 50, "Peak Receive Rate: %.1f KBits/sec", ((double)ReceivedPeak*8.0)/1024.0);
else snprintf(Buffer2, 50, "Peak Receive Rate: %.1f MBits/sec", ((double)ReceivedPeak*8.0)/(1024.0*1024.0));
if (SummaryData->TotalReceived < 1024)
snprintf(Buffer, 30, "Received %.1f Bytes", (double)SummaryData->TotalReceived);
else if (SummaryData->TotalReceived < 1024*1024)
snprintf(Buffer, 30, "Received %.1f KBytes", (double)SummaryData->TotalReceived/1024.0);
else snprintf(Buffer, 30, "Received %.1f MBytes", (double)SummaryData->TotalReceived/(1024.0*1024.0));
gdImageString(im2, gdFontSmall, XOFFSET+5, YHEIGHT-20, Buffer, black2);
gdImageString(im2, gdFontSmall, XWIDTH/2+XOFFSET/2, YHEIGHT-20, Buffer2, black2);
return(YMax);
}
void PrepareYAxis(gdImagePtr im, unsigned long long int YMax)
{
char buffer[20];
char YLegend;
long long int Divisor;
int black;
float YTic = 0;
double y;
long int YStep;
black = gdImageColorAllocate(im, 0, 0, 0);
gdImageLine(im, XOFFSET, 0, XOFFSET, YHEIGHT, black);
YLegend = ' ';
Divisor = 1;
if (YMax*8 > 1024*2)
{
Divisor = 1024; // Display in K
YLegend = 'k';
}
if (YMax*8 > 1024*1024*2)
{
Divisor = 1024*1024; // Display in M
YLegend = 'm';
}
if (YMax*8 > (long long)1024*1024*1024*2)
{
Divisor = 1024*1024*1024; // Display in G
YLegend = 'g';
}
YStep = YMax/10;
if (YStep < 1)
YStep=1;
YTic=YStep;
while (YTic < (YMax - YMax/10))
{
y = (YHEIGHT-YOFFSET)-((YTic*(YHEIGHT-YOFFSET))/YMax);
gdImageLine(im, XOFFSET, y, XWIDTH, y, black);
snprintf(buffer, 20, "%4.1f %cbits/s", (float)(8.0*YTic)/Divisor, YLegend);
gdImageString(im, gdFontSmall, 3, y-7, buffer, black);
YTic += YStep;
}
}
void PrepareXAxis(gdImagePtr im, time_t timestamp)
{
char buffer[100];
int black, red;
time_t sample_begin, sample_end;
struct tm *timestruct;
long int MarkTime;
long int MarkTimeStep;
double x;
sample_begin=timestamp-config.range;
sample_end=sample_begin+config.interval;
black = gdImageColorAllocate(im, 0, 0, 0);
red = gdImageColorAllocate(im, 255, 0, 0);
gdImageLine(im, 0, YHEIGHT-YOFFSET, XWIDTH, YHEIGHT-YOFFSET, black);
// ********************************************************************
// **** Write the red day/month seperator bars
// ********************************************************************
if ((24*60*60*(XWIDTH-XOFFSET))/config.range > (XWIDTH-XOFFSET)/10)
{
// Day bars
timestruct = localtime((time_t *)&sample_begin);
timestruct->tm_sec = 0;
timestruct->tm_min = 0;
timestruct->tm_hour = 0;
MarkTime = mktime(timestruct);
x = (MarkTime-sample_begin)*( ((double)(XWIDTH-XOFFSET)) / config.range) + XOFFSET;
while (x < XOFFSET)
{
MarkTime += (24*60*60);
x = (MarkTime-sample_begin)*((XWIDTH-XOFFSET)/config.range) + XOFFSET;
}
while (x < (XWIDTH-10))
{
// Day Lines
gdImageLine(im, x, 0, x, YHEIGHT-YOFFSET, red);
gdImageLine(im, x+1, 0, x+1, YHEIGHT-YOFFSET, red);
timestruct = localtime((time_t *)&MarkTime);
strftime(buffer, 100, "%a, %b %d", timestruct);
gdImageString(im, gdFontSmall, x-30, YHEIGHT-YOFFSET+10, buffer, black);
// Calculate Next x
MarkTime += (24*60*60);
x = (MarkTime-sample_begin)*((XWIDTH-XOFFSET)/config.range) + XOFFSET;
}
}
else
{
// Month Bars
timestruct = localtime((time_t *)&sample_begin);
timestruct->tm_sec = 0;
timestruct->tm_min = 0;
timestruct->tm_hour = 0;
timestruct->tm_mday = 1;
timestruct->tm_mon--; // Start the month before the sample
MarkTime = mktime(timestruct);
x = (MarkTime-sample_begin)*( ((double)(XWIDTH-XOFFSET)) / config.range) + XOFFSET;
while (x < XOFFSET)
{
timestruct->tm_mon++;
MarkTime = mktime(timestruct);
x = (MarkTime-sample_begin)*((XWIDTH-XOFFSET)/config.range) + XOFFSET;
}
while (x < (XWIDTH-10))
{
// Month Lines
gdImageLine(im, x, 0, x, YHEIGHT-YOFFSET, red);
gdImageLine(im, x+1, 0, x+1, YHEIGHT-YOFFSET, red);
timestruct = localtime((time_t *)&MarkTime);
strftime(buffer, 100, "%b", timestruct);
gdImageString(im, gdFontSmall, x-6, YHEIGHT-YOFFSET+10, buffer, black);
// Calculate Next x
timestruct->tm_mon++;
MarkTime = mktime(timestruct);
x = (MarkTime-sample_begin)*((XWIDTH-XOFFSET)/config.range) + XOFFSET;
}
}
// ********************************************************************
// **** Write the tic marks
// ********************************************************************
timestruct = localtime((time_t *)&sample_begin);
timestruct->tm_sec = 0;
timestruct->tm_min = 0;
timestruct->tm_hour = 0;
MarkTime = mktime(timestruct);
if ((6*60*60*(XWIDTH-XOFFSET))/config.range > 10) // pixels per 6 hours is more than 2
MarkTimeStep = 6*60*60; // Major ticks are 6 hours
else if ((24*60*60*(XWIDTH-XOFFSET))/config.range > 10)
MarkTimeStep = 24*60*60; // Major ticks are 24 hours;
else
return; // Done
x = (MarkTime-sample_begin)*((XWIDTH-XOFFSET)/config.range) + XOFFSET;
while (x < XOFFSET)
{
MarkTime += MarkTimeStep;
x = (MarkTime-sample_begin)*((XWIDTH-XOFFSET)/config.range) + XOFFSET;
}
while (x < (XWIDTH-10))
{
if (x > XOFFSET) {
gdImageLine(im, x, YHEIGHT-YOFFSET-5, x, YHEIGHT-YOFFSET+5, black);
gdImageLine(im, x+1, YHEIGHT-YOFFSET-5, x+1, YHEIGHT-YOFFSET+5, black);
}
MarkTime += MarkTimeStep;
x = (MarkTime-sample_begin)*((XWIDTH-XOFFSET)/config.range) + XOFFSET;
}
timestruct = localtime((time_t *)&sample_begin);
timestruct->tm_sec = 0;
timestruct->tm_min = 0;
timestruct->tm_hour = 0;
MarkTime = mktime(timestruct);
if ((60*60*(XWIDTH-XOFFSET))/config.range > 2) // pixels per hour is more than 2
MarkTimeStep = 60*60; // Minor ticks are 1 hour
else if ((6*60*60*(XWIDTH-XOFFSET))/config.range > 2)
MarkTimeStep = 6*60*60; // Minor ticks are 6 hours
else if ((24*60*60*(XWIDTH-XOFFSET))/config.range > 2)
MarkTimeStep = 24*60*60;
else
return; // Done
// Draw Minor Tic Marks
x = (MarkTime-sample_begin)*((XWIDTH-XOFFSET)/config.range) + XOFFSET;
while (x < XOFFSET)
{
MarkTime += MarkTimeStep;
x = (MarkTime-sample_begin)*((XWIDTH-XOFFSET)/config.range) + XOFFSET;
}
while (x < (XWIDTH-10))
{
if (x > XOFFSET) {
gdImageLine(im, x, YHEIGHT-YOFFSET, x, YHEIGHT-YOFFSET+5, black);
gdImageLine(im, x+1, YHEIGHT-YOFFSET, x+1, YHEIGHT-YOFFSET+5, black);
}
MarkTime+=MarkTimeStep;
x = (MarkTime-sample_begin)*((XWIDTH-XOFFSET)/config.range) + XOFFSET;
}
}
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