/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-#include "portable.h" /* execinfo when available */
+#include "portable.h" /* execinfo when available */
#include "xbt/sysdep.h"
-#include "xbt/log.h"
-#include "gras/virtu.h"
+#include "xbt/strbuff.h"
+#include "xbt/log_private.h"
+#include "gras/virtu.h" /* gras_os_myname (KILLME) */
+#include "xbt/synchro.h" /* xbt_thread_self_name */
#include <stdio.h>
-#include "xbt/ex_interface.h" /* backtraces */
-extern const char *xbt_log_priority_names[7];
+extern const char *xbt_log_priority_names[8];
+static double format_begin_of_time = -1;
-static char *xbt_log_layout_format_doit(xbt_log_layout_t l,
- xbt_log_event_t ev,
- const char *msg_fmt) {
- static char res[2048];
- static double begin_of_time = -1;
- char *p,*q;
+#define append1(fmt,fmt2,elm) \
+ do { \
+ if (precision == -1) { \
+ xbt_strbuff_append(buff, tmp=bprintf(fmt,elm)); \
+ free(tmp); \
+ } else { \
+ xbt_strbuff_append(buff, tmp=bprintf(fmt2,precision,elm)); \
+ free(tmp); \
+ precision = -1; \
+ } \
+ } while (0)
+#define append2(fmt,elm,elm2) \
+ do { \
+ xbt_strbuff_append(buff, tmp=bprintf(fmt,elm,elm2)); \
+ free(tmp); \
+ precision = -1; \
+ } while (0)
- if (begin_of_time<0)
- begin_of_time=gras_os_time();
+#define ERRMSG "Unknown %%%c sequence in layout format (%s).\nKnown sequences:\n" \
+ " what: %%m: user message %%c: log category %%p: log priority\n" \
+ " where:\n" \
+ " source: %%F: file %%L: line %%M: function %%l: location (%%F:%%L)\n" \
+ " runtime: %%h: hostname %%t: thread %%P: process %%i: PID\n" \
+ " backtrace: %%b: full %%B: short\n" \
+ " when: %%d: date %%r: app. age\n" \
+ " other: %%%%: %% %%n: new line %%e: plain space\n"
- p = res;
+
+static void xbt_log_layout_format_dynamic(xbt_log_layout_t l,
+ xbt_log_event_t ev,
+ const char *fmt,
+ xbt_log_appender_t app)
+{
+ xbt_strbuff_t buff = xbt_strbuff_new();
+ int precision = -1;
+ char *q = l->data;
+ char *tmp;
+ char *tmp2;
+ int vres; /* shut gcc up, but ignored */
+
+ while (*q != '\0') {
+ if (*q == '%') {
+ q++;
+ handle_modifier:
+ switch (*q) {
+ case '\0':
+ fprintf(stderr, "Layout format (%s) ending with %%\n",
+ (char *) l->data);
+ abort();
+ case '%':
+ xbt_strbuff_append(buff, "%");
+ break;
+ case 'n': /* platform-dependant line separator (LOG4J compliant) */
+ xbt_strbuff_append(buff, "\n");
+ break;
+ case 'e': /* plain space (SimGrid extension) */
+ xbt_strbuff_append(buff, " ");
+ break;
+
+ case '.': /* precision specifyier */
+ q++;
+ q += sscanf(q, "%d", &precision);
+ goto handle_modifier;
+
+ case 'c': /* category name; LOG4J compliant
+ should accept a precision postfix to show the hierarchy */
+ append1("%s", "%.*s", ev->cat->name);
+ break;
+ case 'p': /* priority name; LOG4J compliant */
+ append1("%s", "%.*s", xbt_log_priority_names[ev->priority]);
+ break;
+
+ case 'h': /* host name; SimGrid extension */
+ append1("%s", "%.*s", gras_os_myname());
+ break;
+ case 't': /* thread name; LOG4J compliant */
+ append1("%s", "%.*s", xbt_thread_self_name());
+ break;
+ case 'P': /* process name; SimGrid extension */
+ append1("%s", "%.*s", xbt_procname());
+ break;
+ case 'i': /* process PID name; SimGrid extension */
+ append1("%d", "%.*d", (*xbt_getpid) ());
+ break;
+
+ case 'F': /* file name; LOG4J compliant */
+ append1("%s", "%.*s", ev->fileName);
+ break;
+ case 'l': /* location; LOG4J compliant */
+ append2("%s:%d", ev->fileName, ev->lineNum);
+ precision = -1; /* Ignored */
+ break;
+ case 'L': /* line number; LOG4J compliant */
+ append1("%d", "%.*d", ev->lineNum);
+ break;
+ case 'M': /* method (ie, function) name; LOG4J compliant */
+ append1("%s", "%.*s", ev->functionName);
+ break;
+ case 'b': /* backtrace; called %throwable in LOG4J */
+ case 'B': /* short backtrace; called %throwable{short} in LOG4J */
+#if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE)
+ {
+ xbt_ex_t e;
+ int i;
+
+ e.used = backtrace((void **) e.bt, XBT_BACKTRACE_SIZE);
+ e.bt_strings = NULL;
+ e.msg = NULL;
+ e.remote = 0;
+ xbt_backtrace_current(&e);
+ if (*q == 'B') {
+ append1("%s", "%.*s", e.bt_strings[2] + 8);
+ } else {
+ for (i = 2; i < e.used; i++)
+ append1("%s\n", "%.*s\n", e.bt_strings[i] + 8);
+ }
+
+ xbt_ex_free(e);
+ }
+#else
+ append1("%s", "%.*s", "(no backtrace on this arch)");
+#endif
+ break;
+
+ case 'd': /* date; LOG4J compliant */
+ append1("%f", "%.*f", gras_os_time());
+ break;
+ case 'r': /* application age; LOG4J compliant */
+ append1("%f", "%.*f", gras_os_time() - format_begin_of_time);
+ break;
+
+ case 'm': /* user-provided message; LOG4J compliant */
+ vres = vasprintf(&tmp2, fmt, ev->ap_copy);
+ append1("%s", "%.*s", tmp2);
+ free(tmp2);
+ break;
+
+ default:
+ fprintf(stderr, ERRMSG, *q, (char *) l->data);
+ abort();
+ }
+ q++;
+ } else {
+ char tmp2[2];
+ tmp2[0] = *(q++);
+ tmp2[1] = '\0';
+ xbt_strbuff_append(buff, tmp2);
+ }
+ }
+ app->do_append(app, buff->data);
+ xbt_strbuff_free(buff);
+}
+
+#undef check_overflow
+#define check_overflow \
+ if (p-ev->buffer > XBT_LOG_BUFF_SIZE) { /* buffer overflow */ \
+ xbt_log_layout_format_dynamic(l,ev,msg_fmt,app); \
+ return;\
+ }
+static void xbt_log_layout_format_doit(xbt_log_layout_t l,
+ xbt_log_event_t ev,
+ const char *msg_fmt,
+ xbt_log_appender_t app)
+{
+ char *p, *q;
+ int precision = -1;
+
+ if (format_begin_of_time < 0)
+ format_begin_of_time = gras_os_time();
+
+ p = ev->buffer;
q = l->data;
while (*q != '\0') {
if (*q == '%') {
q++;
+ handle_modifier:
switch (*q) {
case '\0':
- THROW1(arg_error,0,"Layout format (%s) ending with %%",(char*)l->data);
+ fprintf(stderr, "Layout format (%s) ending with %%\n",
+ (char *) l->data);
+ abort();
case '%':
- *p++ = '%';
- break;
- case 'n': /* platform-dependant line separator (LOG4J compliant) */
- p += sprintf(p,"\n");
- break;
- case ' ': /* plain space (SimGrid extension) */
- p += sprintf(p," ");
- break;
-
- case 'c': /* category name; LOG4J compliant
- should accept a precision postfix to show the hierarchy */
- p += sprintf(p,"%s",ev->cat->name);
- break;
- case 'p': /* priority name; LOG4J compliant */
- p += sprintf(p, "%s", xbt_log_priority_names[ev->priority] );
- break;
-
- case 'h': /* host name; SimGrid extension */
- p += sprintf(p, "%s", gras_os_myname());
- break;
- case 't': /* process name; LOG4J compliant (thread name) */
- p += sprintf(p, "%s", xbt_procname());
- break;
- case 'i': /* process PID name; SimGrid extension */
- p += sprintf(p, "%ld", gras_os_getpid());
- break;
-
- case 'F': /* file name; LOG4J compliant */
- p += sprintf(p,"%s",ev->fileName);
- break;
- case 'l': /* location; LOG4J compliant */
- p += sprintf(p, "%s:%d", ev->fileName, ev->lineNum);
- break;
- case 'L': /* line number; LOG4J compliant */
- p += sprintf(p, "%d", ev->lineNum);
- break;
- case 'M': /* method (ie, function) name; LOG4J compliant */
- p += sprintf(p, "%s", ev->functionName);
- break;
- case 'b': /* backtrace; called %throwable in LOG4J */
- case 'B': /* short backtrace; called %throwable{short} in LOG4J */
+ *p++ = '%';
+ break;
+ case 'n': /* platform-dependant line separator (LOG4J compliant) */
+ p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "\n");
+ check_overflow;
+ break;
+ case 'e': /* plain space (SimGrid extension) */
+ p += snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), " ");
+ check_overflow;
+ break;
+
+ case '.': /* precision specifyier */
+ q++;
+ q += sscanf(q, "%d", &precision);
+ goto handle_modifier;
+
+ case 'c': /* category name; LOG4J compliant
+ should accept a precision postfix to show the hierarchy */
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s",
+ ev->cat->name);
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*s",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), ev->cat->name);
+ check_overflow;
+ precision = -1;
+ }
+ break;
+ case 'p': /* priority name; LOG4J compliant */
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s",
+ xbt_log_priority_names[ev->priority]);
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*s",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision),
+ xbt_log_priority_names[ev->priority]);
+ check_overflow;
+ precision = -1;
+ }
+ break;
+
+ case 'h': /* host name; SimGrid extension */
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s",
+ gras_os_myname());
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*s",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), gras_os_myname());
+ check_overflow;
+ precision = -1;
+ }
+ break;
+ case 't': /* thread name; LOG4J compliant */
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s",
+ xbt_thread_self_name());
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*s",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), xbt_thread_self_name());
+ check_overflow;
+ precision = -1;
+ }
+ break;
+ case 'P': /* process name; SimGrid extension */
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s",
+ xbt_procname());
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*s",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), xbt_procname());
+ check_overflow;
+ precision = -1;
+ }
+ break;
+ case 'i': /* process PID name; SimGrid extension */
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%d",
+ (*xbt_getpid) ());
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*d",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), (*xbt_getpid) ());
+ check_overflow;
+ precision = -1;
+ }
+ break;
+
+ case 'F': /* file name; LOG4J compliant */
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s",
+ ev->fileName);
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*s",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), ev->fileName);
+ check_overflow;
+ precision = -1;
+ }
+ break;
+ case 'l': /* location; LOG4J compliant */
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s:%d",
+ ev->fileName, ev->lineNum);
+ check_overflow;
+ } else {
+ p +=
+ snprintf(p,
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), "%s:%d", ev->fileName,
+ ev->lineNum);
+ check_overflow;
+ precision = -1;
+ }
+ break;
+ case 'L': /* line number; LOG4J compliant */
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%d",
+ ev->lineNum);
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*d",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), ev->lineNum);
+ check_overflow;
+ precision = -1;
+ }
+ break;
+ case 'M': /* method (ie, function) name; LOG4J compliant */
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s",
+ ev->functionName);
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*s",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), ev->functionName);
+ check_overflow;
+ precision = -1;
+ }
+ break;
+ case 'b': /* backtrace; called %throwable in LOG4J */
+ case 'B': /* short backtrace; called %throwable{short} in LOG4J */
#if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE)
- {
- xbt_ex_t e;
- int i;
-
- e.used = backtrace((void**)e.bt,XBT_BACKTRACE_SIZE);
- e.bt_strings = NULL;
- xbt_ex_setup_backtrace(&e);
- if (*q=='B')
- p += sprintf(p,"%s",e.bt_strings[2]+8);
- else
- for (i=2; i<e.used; i++)
- p += sprintf(p,"%s\n",e.bt_strings[i]+8);
-
- e.msg=NULL;
- e.remote=0;
- xbt_ex_free(e);
- }
+ {
+ xbt_ex_t e;
+ int i;
+
+ e.used = backtrace((void **) e.bt, XBT_BACKTRACE_SIZE);
+ e.bt_strings = NULL;
+ e.msg = NULL;
+ e.remote = 0;
+ xbt_backtrace_current(&e);
+ if (*q == 'B') {
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s",
+ e.bt_strings[2] + 8);
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*s",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), e.bt_strings[2] + 8);
+ check_overflow;
+ precision = -1;
+ }
+ } else {
+ for (i = 2; i < e.used; i++)
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%s\n",
+ e.bt_strings[i] + 8);
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*s\n",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), e.bt_strings[i] + 8);
+ check_overflow;
+ precision = -1;
+ }
+ }
+
+ xbt_ex_free(e);
+ }
#else
- p+=sprintf(p,"(no backtrace on this arch)");
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ "(no backtrace on this arch)");
+ check_overflow;
#endif
- break;
-
- case 'd': /* date; LOG4J compliant */
- p += sprintf(p,"%f", gras_os_time());
- break;
- case 'r': /* application age; LOG4J compliant */
- p += sprintf(p,"%f", gras_os_time()-begin_of_time);
- break;
-
- case 'm': /* user-provided message; LOG4J compliant */
- p += vsprintf(p, msg_fmt, ev->ap);
- break;
+ break;
+
+ case 'd': /* date; LOG4J compliant */
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%f",
+ gras_os_time());
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*f",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), gras_os_time());
+ check_overflow;
+ precision = -1;
+ }
+ break;
+ case 'r': /* application age; LOG4J compliant */
+ if (precision == -1) {
+ p +=
+ snprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), "%f",
+ gras_os_time() - format_begin_of_time);
+ check_overflow;
+ } else {
+ p +=
+ sprintf(p, "%.*f",
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), gras_os_time() - format_begin_of_time);
+ check_overflow;
+ precision = -1;
+ }
+ break;
+
+ case 'm': /* user-provided message; LOG4J compliant */
+ if (precision == -1) {
+ p +=
+ vsnprintf(p, XBT_LOG_BUFF_SIZE - (p - ev->buffer), msg_fmt,
+ ev->ap);
+ check_overflow;
+ } else {
+ p +=
+ vsnprintf(p,
+ (int) MIN(XBT_LOG_BUFF_SIZE - (p - ev->buffer),
+ precision), msg_fmt, ev->ap);
+ check_overflow;
+ precision = -1;
+ }
+ break;
default:
- THROW2(arg_error,0,"Unknown %%%c sequence in layout format (%s)",
- *q,(char*)l->data);
+ fprintf(stderr, ERRMSG, *q, (char *) l->data);
+ abort();
}
q++;
} else {
*(p++) = *(q++);
+ check_overflow;
}
}
*p = '\0';
- return res;
+ app->do_append(app, ev->buffer);
}
-static void xbt_log_layout_format_free(xbt_log_layout_t lay) {
+static void xbt_log_layout_format_free(xbt_log_layout_t lay)
+{
free(lay->data);
}
-xbt_log_layout_t xbt_log_layout_format_new(char *arg) {
- xbt_log_layout_t res = xbt_new0(s_xbt_log_layout_t,1);
+
+xbt_log_layout_t xbt_log_layout_format_new(char *arg)
+{
+ xbt_log_layout_t res = xbt_new0(s_xbt_log_layout_t, 1);
res->do_layout = xbt_log_layout_format_doit;
- res->free_ = xbt_log_layout_format_free;
- res->data = xbt_strdup((char*)arg);
+ res->free_ = xbt_log_layout_format_free;
+ res->data = xbt_strdup((char *) arg);
return res;
}
