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/* ---------------------------------------------------------------------------
 * This software is in the public domain, furnished "as is", without technical
 * support, and with no warranty, express or implied, as to its usefulness for
 * any purpose.
 *
 * gauger.h
 * Interface for C programs to log remotely to a gauger server
 *
 * Author: Bartlomiej Polot
 * -------------------------------------------------------------------------*/
#ifndef __GAUGER_H__
#define __GAUGER_H__

#ifndef WINDOWS

#include <unistd.h>
#include <stdio.h>
#include <sys/wait.h>

#define GAUGER(category, counter, value, unit) \
  { \
    char* __gauger_v[10]; \
    char __gauger_s[32]; \
    pid_t __gauger_p; \
    if (!(__gauger_p = fork())) { \
        close(1);           \
        close(2);           \
        if (!fork()) { \
            sprintf(__gauger_s, "%Lf", (long double)(value)); \
            __gauger_v[0] = "gauger"; \
            __gauger_v[1] = "-n"; \
            __gauger_v[2] = (char*)(counter);  \
            __gauger_v[3] = "-d"; \
            __gauger_v[4] = __gauger_s; \
            __gauger_v[5] = "-u"; \
            __gauger_v[6] = (char*)(unit);     \
            __gauger_v[7] = "-c"; \
            __gauger_v[8] = (char*)(category); \
            __gauger_v[9] = (char*)NULL; \
            execvp("gauger", __gauger_v); \
            _exit(1); \
          }else{ \
            _exit(0); \
          } \
      }else{ \
        waitpid(__gauger_p, NULL, 0); \
      } \
  }

#define GAUGER_ID(category, counter, value, unit, id) \
  { \
    char* __gauger_v[12]; \
    char __gauger_s[32]; \
    pid_t __gauger_p; \
    if (!(__gauger_p = fork())) { \
        close(1);           \
        close(2);           \
        if (!fork()) { \
            sprintf(__gauger_s, "%Lf", (long double)(value)); \
            __gauger_v[0] = "gauger"; \
            __gauger_v[1] = "-n"; \
            __gauger_v[2] = (char*)(counter);  \
            __gauger_v[3] = "-d"; \
            __gauger_v[4] = __gauger_s; \
            __gauger_v[5] = "-u"; \
            __gauger_v[6] = (char*)(unit);     \
            __gauger_v[7] = "-i"; \
            __gauger_v[8] = id; \
            __gauger_v[9] = "-c"; \
            __gauger_v[10] = (char *)(category);       \
            __gauger_v[11] = (char *)NULL; \
            execvp("gauger", __gauger_v); \
            _exit(1); \
          }else{ \
            _exit(0); \
          } \
      }else{ \
        waitpid(__gauger_p, NULL, 0); \
      } \
  }

#else /* WINDOWS */

#include <stdlib.h>
#include <stdio.h>
#include <windef.h>

#define GAUGER(category, counter, value, unit) \
  { \
    char __gauger_commandline[MAX_PATH]; \
    \
    snprintf(__gauger_commandline, MAX_PATH, "gauger.py -n \"%s\" -d \"%Lf\" -u \"%s\" -c \"%s\"", \
             (counter), (long double)(value), (unit), (category));    \
    __gauger_commandline[MAX_PATH - 1] = '\0'; \
    system(__gauger_commandline); \
  }

#define GAUGER_ID(category, counter, value, unit, id) \
  { \
    char __gauger_commandline[MAX_PATH]; \
    \
    snprintf(__gauger_commandline, MAX_PATH, "gauger.py -n \"%s\" -d \"%Lf\" -u \"%s\" -i \"%s\" -c \"%s\"", \
             (counter), (long double)(value), (unit), (id), (category)); \
    __gauger_commandline[MAX_PATH - 1] = '\0'; \
    system(__gauger_commandline); \
  }

#endif // WINDOWS

#endif