Mercurial > hg > fxanalyse

comparison logging.c @ 191:0fed60877099

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Allow to write log to file specified in configuration file
author Daniele Nicolodi <daniele.nicolodi@obspm.fr>
date Mon, 31 Mar 2014 17:03:31 +0200
parents 97112b45b838
children 111610d871af
comparison
equal deleted inserted replaced
190:c03bf6fe8297 191:0fed60877099
1 #include <ansi_c.h> 1 #include <ansi_c.h>
2 #include <inifile.h>
3 #include <lowlvlio.h>
2 4
5 #include "config.h"
3 #include "logging.h" 6 #include "logging.h"
4 7
5 /* this refers to the event time defined as a global variable in the main program */ 8 /* this refers to the event time defined as a global variable in the main program */
6 extern double utc; 9 extern double utc;
7 10
8 11
9 int __logger_init(struct logger *l) 12 int __logger_init(struct logger *l)
10 { 13 {
11 int panel = LoadPanel(0, "FXAnalyse.uir", LOGGING); 14 int rv, panel;
15 char path[MAX_PATHNAME_LEN], *filename;
16
17 l->fd = -1;
18
19 panel = LoadPanel(0, "FXAnalyse.uir", LOGGING);
12 if (panel < 0) 20 if (panel < 0)
13 return -1; 21 return -1;
14 l->panel = panel; 22 l->panel = panel;
23
24 /* configuration file path */
25 GetIniFilePath(path);
26
27 /* load configuration file */
28 IniText configuration = Ini_New(TRUE);
29 Ini_ReadFromFile(configuration, path);
30
31 /* logging file name */
32 rv = Ini_GetStringCopy(configuration, "logging", "filename", &filename);
33 if (rv > 0)
34 l->fd = open(filename, O_CREAT|O_WRONLY|O_APPEND, 00744);
35
36 free(filename);
37 Ini_Dispose(configuration);
38
15 return 0; 39 return 0;
16 } 40 }
17 41
18 42
19 void __logmessage(struct logger *l, enum loglevel level, const char *frmt, ...) 43 void __logmessage(struct logger *l, enum loglevel level, const char *frmt, ...)
20 { 44 {
21 static const char levels[][16] = { 45 static const char *levels[] = {
22 "DEBUG", 46 "DEBUG",
23 "INFO", 47 "INFO",
24 "WARNING", 48 "WARNING",
25 "ERROR", 49 "ERROR",
26 }; 50 };
27 51
28 char msg[1024]; 52 char msg[1024];
29 int len = 0; 53 int len = 0;
30 54
31 // timestamp 55 /* timestamp */
32 len += sprintf(msg, "%014.3f ", utc); 56 len += sprintf(msg, "%014.3f ", utc);
33 time_t now = time(NULL); 57 time_t now = time(NULL);
34 struct tm *t = localtime(&now); 58 struct tm *t = localtime(&now);
35 len += strftime(msg + len, sizeof(msg) - len, "%d-%m-%Y %H:%M:%S ", t); 59 len += strftime(msg + len, sizeof(msg) - len, "%d-%m-%Y %H:%M:%S ", t);
36 60
37 // level 61 /* level */
38 len += snprintf(msg + len, sizeof(msg) - len, "%s: ", levels[level]); 62 len += snprintf(msg + len, sizeof(msg) - len, "%s: ", levels[level]);
39 63
40 // message 64 /* message */
41 va_list args; 65 va_list args;
42 va_start(args, frmt); 66 va_start(args, frmt);
43 len += vsnprintf(msg + len, sizeof(msg) - len, frmt, args); 67 len += vsnprintf(msg + len, sizeof(msg) - len, frmt, args);
44 va_end(args); 68 va_end(args);
45 69
46 // add newline 70 /* newline */
47 len = MIN(len, sizeof(msg) - 2); 71 len = MIN(len, sizeof(msg) - 3);
48 msg[len] = '\n'; 72 msg[len++] = '\r';
49 msg[len + 1] = '\0'; 73 msg[len++] = '\n';
50 74
51 // display message 75 /* string terminator */
76 msg[len] = '\0';
77
78 /* display message */
52 SetCtrlVal(l->panel, LOGGING_LOGGING, msg); 79 SetCtrlVal(l->panel, LOGGING_LOGGING, msg);
80
81 /* write to log file */
82 if (l->fd >= 0)
83 write(l->fd, msg, len);
53 } 84 }