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#ifndef WINDOWS
15
16#include <unistd.h>
17#include <stdio.h>
18#include <sys/wait.h>
19
20#define GAUGER(category, counter, value, unit)\
21{\
22    const char * __gauger_v[10];			\
23    char __gauger_s[32];\
24    pid_t __gauger_p;\
25    if(!(__gauger_p=fork())){\
26      if(!fork()){ \
27            sprintf(__gauger_s,"%Lf", (long double) (value));\
28            __gauger_v[0] = "gauger";\
29            __gauger_v[1] = "-n";\
30            __gauger_v[2] = counter;	\
31            __gauger_v[3] = "-d";\
32            __gauger_v[4] = __gauger_s;\
33            __gauger_v[5] = "-u";\
34            __gauger_v[6] = unit;	\
35            __gauger_v[7] = "-c";\
36            __gauger_v[8] = category;	\
37            __gauger_v[9] = (char *)NULL;\
38            execvp("gauger", (char*const*) __gauger_v);	\
39            _exit(1);\
40        }else{\
41            _exit(0);\
42        }\
43    }else{\
44        waitpid(__gauger_p,NULL,0);\
45    }\
46}
47
48#define GAUGER_ID(category, counter, value, unit, id)\
49{\
50    char* __gauger_v[12];\
51    char __gauger_s[32];\
52    pid_t __gauger_p;\
53    if(!(__gauger_p=fork())){\
54        if(!fork()){\
55            sprintf(__gauger_s,"%Lf", (long double) (value));\
56            __gauger_v[0] = "gauger";\
57            __gauger_v[1] = "-n";\
58            __gauger_v[2] = counter;\
59            __gauger_v[3] = "-d";\
60            __gauger_v[4] = __gauger_s;\
61            __gauger_v[5] = "-u";\
62            __gauger_v[6] = unit;\
63            __gauger_v[7] = "-i";\
64            __gauger_v[8] = id;\
65            __gauger_v[9] = "-c";\
66            __gauger_v[10] = category;\
67            __gauger_v[11] = (char *)NULL;\
68            execvp("gauger",__gauger_v);\
69            perror("gauger");\
70            _exit(1);\
71        }else{\
72            _exit(0);\
73        }\
74    }else{\
75        waitpid(__gauger_p,NULL,0);\
76    }\
77}
78
79#else
80
81#define GAUGER_ID(category, counter, value, unit, id) {}
82#define GAUGER(category, counter, value, unit) {}
83
84#endif // WINDOWS
85
86#endif
87