-/* file_appender - a dumb log appender which simply prints to stdout */
+/* file_appender - a dumb log appender which simply prints to a file */
-/* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
+/* Copyright (c) 2007-2018. The SimGrid Team.
+ * All rights reserved. */
/* 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 "src/internal_config.h"
+#include "src/xbt/log_private.h"
#include "xbt/sysdep.h"
-#include "xbt/log_private.h"
+#include <errno.h>
#include <stdio.h>
+#include <string.h>
-/**
- * The root category's default logging function.
- */
+static void append_file(xbt_log_appender_t this_, char *str) {
+ fputs(str, (FILE *) this_->data);
+}
-extern const char *xbt_log_priority_names[8];
+static void free_(xbt_log_appender_t this_) {
+ if (this_->data != stderr)
+ fclose(this_->data);
+}
+xbt_log_appender_t xbt_log_appender_file_new(char *arg) {
-static void append_file(xbt_log_appender_t this_appender, char *str)
-{
- fprintf((FILE *) (this_appender->data), "%s", str);
+ xbt_log_appender_t res = xbt_new0(s_xbt_log_appender_t, 1);
+ res->do_append = &append_file;
+ res->free_ = &free_;
+ if (arg) {
+ res->data = (void *) fopen(arg, "w");
+ if (res->data == NULL)
+ xbt_die("Cannot open file: %s: %s", arg, strerror(errno));
+ } else {
+ res->data = (void *) stderr;
+ }
+ return res;
}
-static void free_(xbt_log_appender_t this_)
+struct xbt_log_append2_file_s {
+ FILE* file;
+ char* filename;
+ int count; //negative for roll
+ long int limit;
+};
+typedef struct xbt_log_append2_file_s* xbt_log_append2_file_t;
+
+#define APPEND2_END_TOKEN "\n[End of log]\n"
+#define APPEND2_END_TOKEN_CLEAR "\n "
+
+static void open_append2_file(xbt_log_append2_file_t data){
+ if(data->count<0) {
+ //Roll
+ if (!data->file) {
+ data->file= fopen(data->filename, "w");
+ if (data->file == NULL)
+ xbt_die("Cannot open file: %s: %s", data->filename, strerror(errno));
+ } else {
+ fputs(APPEND2_END_TOKEN_CLEAR,data->file);
+ fseek(data->file,0,SEEK_SET);
+ }
+ } else{
+ //Split
+ if(data->file)
+ fclose(data->file);
+ char newname[512];
+ char* pre=xbt_strdup(data->filename);
+ char* sep=strchr(pre,'%');
+ if(!sep)
+ sep=pre+strlen(pre);
+ char* post=sep+1;
+ *sep='\0';
+ snprintf(newname,511,"%s%i%s",pre,data->count,post);
+ data->count++;
+ data->file= fopen(newname, "w");
+ if (data->file == NULL)
+ xbt_die("Cannot open file: %s: %s", newname, strerror(errno));
+ xbt_free(pre);
+ }
+}
+
+static void append2_file(xbt_log_appender_t this_, char *str) {
+ xbt_log_append2_file_t d=(xbt_log_append2_file_t) this_->data;
+ xbt_assert(d->file);
+ if(ftell(d->file)>=d->limit) {
+ open_append2_file(d);
+ }
+ fputs(str, d->file);
+ if(d->count<0){
+ fputs(APPEND2_END_TOKEN,d->file);
+ fseek(d->file,-((signed long)strlen(APPEND2_END_TOKEN)),SEEK_CUR);
+ }
+}
+
+static void free_append2_(xbt_log_appender_t this_)
{
- if (this_->data != stderr)
- fclose(this_->data);
+ xbt_log_append2_file_t data = this_->data;
+ if (data->file)
+ fclose(data->file);
+ xbt_free(data->filename);
+ xbt_free(data);
}
+//syntax is <maxsize>:<filename>
+//If roll is 0, use split files, otherwise, use roll file
+//For split, replace % in the file by the current count
+xbt_log_appender_t xbt_log_appender2_file_new(char *arg,int roll) {
-xbt_log_appender_t xbt_log_appender_file_new(char *arg)
-{
- xbt_log_appender_t res = xbt_new0(s_xbt_log_appender_t, 1);
- res->do_append = append_file;
- res->free_ = free_;
- if (arg)
- res->data = (void *) fopen(arg, "w");
+ xbt_log_appender_t res = xbt_new0(s_xbt_log_appender_t, 1);
+ res->do_append = &append2_file;
+ res->free_ = &free_append2_;
+ xbt_log_append2_file_t data = xbt_new0(struct xbt_log_append2_file_s, 1);
+ xbt_assert(arg);
+ char* buf=xbt_strdup(arg);
+ char* sep=strchr(buf,':');
+ xbt_assert(sep>0);
+ data->filename=xbt_strdup(sep+1);
+ *sep='\0';
+ char *endptr;
+ data->limit=strtol(buf,&endptr,10);
+ xbt_assert(endptr[0]=='\0', "Invalid buffer size: %s", buf);
+ xbt_free(buf);
+ if(roll)
+ data->count=-1;
else
- res->data = (void *) stderr;
+ data->count=0;
+ open_append2_file(data);
+ res->data = data;
return res;
}
