1 /* layout_simple - a dumb log layout */
3 /* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "xbt/sysdep.h"
9 #include "xbt/strbuff.h" /* For dynamic version when the static one fails */
10 #include "xbt/log_private.h"
11 #include "xbt/synchro.h" /* xbt_thread_name */
13 #include "gras/virtu.h"
17 extern const char *xbt_log_priority_names[8];
18 extern int xbt_log_no_loc;
20 static double simple_begin_of_time = -1;
22 static void xbt_log_layout_simple_dynamic(xbt_log_layout_t l,
25 xbt_log_appender_t app)
27 xbt_strbuff_t buff = xbt_strbuff_new();
31 /* Put every static information in a static buffer, and copy them in the dyn one */
33 p += snprintf(p, 256 - (p - loc_buff), "[");
35 if (strlen(xbt_procname()))
36 p += snprintf(p, 256 - (p - loc_buff), "%s:%s:(%d) ",
37 gras_os_myname(), xbt_procname(), (*xbt_getpid) ());
39 snprintf(p, 256 - (p - loc_buff), "%f] ",
40 gras_os_time() - simple_begin_of_time);
41 if (ev->priority != xbt_log_priority_info && xbt_log_no_loc==0)
43 snprintf(p, 256 - (p - loc_buff), "%s:%d: ", ev->fileName,
46 snprintf(p, 256 - (p - loc_buff), "[%s/%s] ", ev->cat->name,
47 xbt_log_priority_names[ev->priority]);
49 xbt_strbuff_append(buff, loc_buff);
51 vasprintf(&p, fmt, ev->ap_copy);
52 xbt_strbuff_append(buff, p);
55 xbt_strbuff_append(buff, "\n");
57 app->do_append(app, buff->data);
58 xbt_strbuff_free(buff);
61 /* only used after the format using: we suppose that the buffer is big enough to display our data */
63 #define check_overflow \
64 if (p-ev->buffer > XBT_LOG_BUFF_SIZE) { /* buffer overflow */ \
65 xbt_log_layout_simple_dynamic(l,ev,fmt,app); \
69 static void xbt_log_layout_simple_doit(xbt_log_layout_t l,
72 xbt_log_appender_t app)
76 xbt_assert0(ev->priority >= 0,
77 "Negative logging priority naturally forbidden");
78 xbt_assert1(ev->priority < sizeof(xbt_log_priority_names),
79 "Priority %d is greater than the biggest allowed value",
83 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "[");
86 /* Display the proc info if available */
87 const char *procname=xbt_procname();
88 if (strlen(procname)) {
89 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s:%s:(%d) ",
90 gras_os_myname(), procname, (*xbt_getpid) ());
94 /* Display the date */
96 snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%f] ",
97 gras_os_time() - simple_begin_of_time);
100 /* Display file position if not INFO */
101 if (ev->priority != xbt_log_priority_info && !xbt_log_no_loc)
103 snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s:%d: ",
104 ev->fileName, ev->lineNum);
106 /* Display category name */
107 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "[%s/%s] ",
108 ev->cat->name, xbt_log_priority_names[ev->priority]);
110 /* Display user-provided message */
111 p += vsnprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), fmt, ev->ap);
115 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "\n");
117 app->do_append(app, ev->buffer);
120 xbt_log_layout_t xbt_log_layout_simple_new(char *arg)
122 xbt_log_layout_t res = xbt_new0(s_xbt_log_layout_t, 1);
123 res->do_layout = xbt_log_layout_simple_doit;
125 if (simple_begin_of_time < 0)
126 simple_begin_of_time = gras_os_time();