1 /* layout_simple - a dumb log layout */
3 /* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "xbt/sysdep.h"
10 #include "xbt/strbuff.h" /* For dynamic version when the static one fails */
11 #include "xbt/log_private.h"
12 #include "xbt/synchro.h" /* xbt_thread_name */
14 #include "gras/virtu.h"
18 extern const char *xbt_log_priority_names[8];
19 extern int xbt_log_no_loc;
21 static double simple_begin_of_time = -1;
23 static void xbt_log_layout_simple_dynamic(xbt_log_layout_t l,
26 xbt_log_appender_t app)
28 xbt_strbuff_t buff = xbt_strbuff_new();
32 /* Put every static information in a static buffer, and copy them in the dyn one */
34 p += snprintf(p, 256 - (p - loc_buff), "[");
36 if (strlen(xbt_procname()))
37 p += snprintf(p, 256 - (p - loc_buff), "%s:%s:(%d) ",
38 gras_os_myname(), xbt_procname(), (*xbt_getpid) ());
40 snprintf(p, 256 - (p - loc_buff), "%f] ",
41 gras_os_time() - simple_begin_of_time);
42 if (ev->priority != xbt_log_priority_info && xbt_log_no_loc==0)
44 snprintf(p, 256 - (p - loc_buff), "%s:%d: ", ev->fileName,
47 snprintf(p, 256 - (p - loc_buff), "[%s/%s] ", ev->cat->name,
48 xbt_log_priority_names[ev->priority]);
50 xbt_strbuff_append(buff, loc_buff);
52 vasprintf(&p, fmt, ev->ap_copy);
53 xbt_strbuff_append(buff, p);
56 xbt_strbuff_append(buff, "\n");
58 app->do_append(app, buff->data);
59 xbt_strbuff_free(buff);
62 /* only used after the format using: we suppose that the buffer is big enough to display our data */
64 #define check_overflow \
65 if (p-ev->buffer > XBT_LOG_BUFF_SIZE) { /* buffer overflow */ \
66 xbt_log_layout_simple_dynamic(l,ev,fmt,app); \
70 static void xbt_log_layout_simple_doit(xbt_log_layout_t l,
73 xbt_log_appender_t app)
77 xbt_assert0(ev->priority >= 0,
78 "Negative logging priority naturally forbidden");
79 xbt_assert1(ev->priority < sizeof(xbt_log_priority_names),
80 "Priority %d is greater than the biggest allowed value",
84 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "[");
87 /* Display the proc info if available */
88 const char *procname=xbt_procname();
89 if (strlen(procname)) {
90 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s:%s:(%d) ",
91 gras_os_myname(), procname, (*xbt_getpid) ());
95 /* Display the date */
97 snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%f] ",
98 gras_os_time() - simple_begin_of_time);
101 /* Display file position if not INFO */
102 if (ev->priority != xbt_log_priority_info && !xbt_log_no_loc)
104 snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s:%d: ",
105 ev->fileName, ev->lineNum);
107 /* Display category name */
108 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "[%s/%s] ",
109 ev->cat->name, xbt_log_priority_names[ev->priority]);
111 /* Display user-provided message */
112 p += vsnprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), fmt, ev->ap);
116 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "\n");
118 app->do_append(app, ev->buffer);
121 xbt_log_layout_t xbt_log_layout_simple_new(char *arg)
123 xbt_log_layout_t res = xbt_new0(s_xbt_log_layout_t, 1);
124 res->do_layout = xbt_log_layout_simple_doit;
126 if (simple_begin_of_time < 0)
127 simple_begin_of_time = gras_os_time();