Commit 49227440 authored by Andrey Filippov's avatar Andrey Filippov
Browse files

debugging, added "before" parameter

parent 3397b9c8

src/pnghist.c

+5 −2
Original line number Original line Diff line number Diff line
@@ -56,7 +56,7 @@ 




#define QRY_MAXPARAMS 64

#define QRY_MAXPARAMS 64





#define THIS_DEBUG 0

#define THIS_DEBUG 1

// lighttpd requires the following setting to enable logging of the cgi program errors:

// lighttpd requires the following setting to enable logging of the cgi program errors:

// ## where cgi stderr output is redirected

// ## where cgi stderr output is redirected

// server.breakagelog          = "/www/logs/lighttpd_stderr.log"

// server.breakagelog          = "/www/logs/lighttpd_stderr.log"
@@ -104,6 +104,7 @@ int main(int argc, char *argv[]) 
  int coeff;

  int coeff;

  int lastmiddle_i,newmiddle_i;

  int lastmiddle_i,newmiddle_i;

  int hist_index;

  int hist_index;

  int before = 1; // by default - previous frame

  const char colors_calc[]={  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,0xa,0xb,0xc,0xd,0xe,0xf,

  const char colors_calc[]={  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,0xa,0xb,0xc,0xd,0xe,0xf,

                      0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,

                      0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,

                        6,  7,  6,  7,  6,  7,  6,  7,0xe,0xf,0xe,0xf,0xe,0xf,0xe,0xf,

                        6,  7,  6,  7,  6,  7,  6,  7,0xe,0xf,0xe,0xf,0xe,0xf,0xe,0xf,
@@ -158,6 +159,8 @@ int main(int argc, char *argv[]) 
  if((v = paramValue(gparams, "average"))     != NULL) rav=strtol(v, NULL, 10);

  if((v = paramValue(gparams, "average"))     != NULL) rav=strtol(v, NULL, 10);

  if((v = paramValue(gparams, "scale"))       != NULL) dscale=strtod(v,NULL);

  if((v = paramValue(gparams, "scale"))       != NULL) dscale=strtod(v,NULL);

  if((v = paramValue(gparams, "disrq"))       != NULL) request_enable=strtol(v, NULL, 10)?0:1;

  if((v = paramValue(gparams, "disrq"))       != NULL) request_enable=strtol(v, NULL, 10)?0:1;

  if((v = paramValue(gparams, "before"))      != NULL) before=strtol(v, NULL, 10);

//  before

//  int request_enable=1; /// enable requesting histogram calculation for the specified frame (0 - use/wait what available)

//  int request_enable=1; /// enable requesting histogram calculation for the specified frame (0 - use/wait what available)





//  const char histogram_driver_name[]="/dev/histogram_cache"

//  const char histogram_driver_name[]="/dev/histogram_cache"
@@ -213,7 +216,7 @@ int main(int argc, char *argv[]) 
  lseek(fd_histogram_cache, LSEEK_HIST_NEEDED + 0xf0, SEEK_END);    /// forward and cumulative histograms are needed

  lseek(fd_histogram_cache, LSEEK_HIST_NEEDED + 0xf0, SEEK_END);    /// forward and cumulative histograms are needed

  if (request_enable) lseek(fd_histogram_cache, LSEEK_HIST_REQ_EN, SEEK_END);

  if (request_enable) lseek(fd_histogram_cache, LSEEK_HIST_REQ_EN, SEEK_END);

  else                lseek(fd_histogram_cache, LSEEK_HIST_REQ_DIS, SEEK_END); /// disable requesting histogram for the specified frame, rely on the available ones

  else                lseek(fd_histogram_cache, LSEEK_HIST_REQ_DIS, SEEK_END); /// disable requesting histogram for the specified frame, rely on the available ones

  hist_index=lseek(fd_histogram_cache, -1, SEEK_CUR);                /// request histograms for the previous frame

  hist_index=lseek(fd_histogram_cache, -before, SEEK_CUR);                /// request histograms for the previous frame

  if(hist_index <0) {

  if(hist_index <0) {

     fprintf(stdout, "Pragma: no-cache\n");

     fprintf(stdout, "Pragma: no-cache\n");

     fprintf(stdout, "Content-Type: text/plain\n\n");

     fprintf(stdout, "Content-Type: text/plain\n\n");