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) ());
39 p += 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)
42 p += snprintf(p, 256 - (p - loc_buff), "%s:%d: ", ev->fileName,
44 p += snprintf(p, 256 - (p - loc_buff), "[%s/%s] ", ev->cat->name,
45 xbt_log_priority_names[ev->priority]);
47 xbt_strbuff_append(buff, loc_buff);
49 p = bvprintf(fmt, ev->ap_copy);
50 xbt_strbuff_append(buff, p);
53 xbt_strbuff_append(buff, "\n");
55 app->do_append(app, buff->data);
56 xbt_strbuff_free(buff);
59 /* only used after the format using: we suppose that the buffer is big enough to display our data */
61 #define check_overflow \
62 if (p-ev->buffer > XBT_LOG_BUFF_SIZE) { /* buffer overflow */ \
63 xbt_log_layout_simple_dynamic(l,ev,fmt,app); \
67 static void xbt_log_layout_simple_doit(xbt_log_layout_t l,
70 xbt_log_appender_t app)
73 const char *procname = NULL;
74 xbt_assert0(ev->priority >= 0,
75 "Negative logging priority naturally forbidden");
76 xbt_assert1(ev->priority < sizeof(xbt_log_priority_names),
77 "Priority %d is greater than the biggest allowed value",
81 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "[");
84 /* Display the proc info if available */
85 procname = xbt_procname();
86 if (strlen(procname)) {
87 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s:%s:(%d) ",
88 gras_os_myname(), procname, (*xbt_getpid) ());
92 /* Display the date */
93 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%f] ",
94 gras_os_time() - simple_begin_of_time);
97 /* Display file position if not INFO */
98 if (ev->priority != xbt_log_priority_info && !xbt_log_no_loc)
99 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s:%d: ",
100 ev->fileName, ev->lineNum);
102 /* Display category name */
103 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "[%s/%s] ",
104 ev->cat->name, xbt_log_priority_names[ev->priority]);
106 /* Display user-provided message */
107 p += vsnprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), fmt, ev->ap);
111 p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "\n");
113 app->do_append(app, ev->buffer);
116 xbt_log_layout_t xbt_log_layout_simple_new(char *arg)
118 xbt_log_layout_t res = xbt_new0(s_xbt_log_layout_t, 1);
119 res->do_layout = xbt_log_layout_simple_doit;
121 if (simple_begin_of_time < 0)
122 simple_begin_of_time = gras_os_time();