src/include/gauger.h

   1 /** ---------------------------------------------------------------------------
   2  * This software is in the public domain, furnished "as is", without technical
   3  * support, and with no warranty, express or implied, as to its usefulness for
   4  * any purpose.
   5  *
   6  * gauger.h
   7  * Interface for C programs to log remotely to a gauger server
   8  *
   9  * Author: Bartlomiej Polot
  10  * -------------------------------------------------------------------------*/
  11 #ifndef __GAUGER_H__
  12 #define __GAUGER_H__
  13
  14 #include <unistd.h>
  15 #include <stdio.h>
  16 #include <sys/wait.h>
  17
  18 #define GAUGER(category, counter, value, unit)\
  19 {\
  20     char* __gauger_v[10];\
  21     char __gauger_s[32];\
  22     pid_t __gauger_p;\
  23     if(!(__gauger_p=fork())){\
  24         if(!fork()){\
  25             sprintf(__gauger_s,"%Lf", (long double) (value));\
  26             __gauger_v[0] = "gauger-cli.py";\
  27             __gauger_v[1] = "-n";\
  28             __gauger_v[2] = counter;\
  29             __gauger_v[3] = "-d";\
  30             __gauger_v[4] = __gauger_s;\
  31             __gauger_v[5] = "-u";\
  32             __gauger_v[6] = unit;\
  33             __gauger_v[7] = "-c";\
  34             __gauger_v[8] = category;\
  35             __gauger_v[9] = (char *)NULL;\
  36             execvp("gauger-cli.py",__gauger_v);\
  37             perror("gauger");\
  38             _exit(1);\
  39         }else{\
  40             _exit(0);\
  41         }\
  42     }else{\
  43         waitpid(__gauger_p,NULL,0);\
  44     }\
  45 }
  46
  47 #define GAUGER_ID(category, counter, value, unit, id)\
  48 {\
  49     char* __gauger_v[12];\
  50     char __gauger_s[32];\
  51     pid_t __gauger_p;\
  52     if(!(__gauger_p=fork())){\
  53         if(!fork()){\
  54             sprintf(__gauger_s,"%Lf", (long double) (value));\
  55             __gauger_v[0] = "gauger-cli.py";\
  56             __gauger_v[1] = "-n";\
  57             __gauger_v[2] = counter;\
  58             __gauger_v[3] = "-d";\
  59             __gauger_v[4] = __gauger_s;\
  60             __gauger_v[5] = "-u";\
  61             __gauger_v[6] = unit;\
  62             __gauger_v[7] = "-i";\
  63             __gauger_v[8] = id;\
  64             __gauger_v[9] = "-c";\
  65             __gauger_v[10] = category;\
  66             __gauger_v[11] = (char *)NULL;\
  67             execvp("gauger-cli.py",__gauger_v);\
  68             perror("gauger");\
  69             _exit(1);\
  70         }else{\
  71             _exit(0);\
  72         }\
  73     }else{\
  74         waitpid(__gauger_p,NULL,0);\
  75     }\
  76 }
  77
  78 #endif