*
* $Id$
*
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
#ifdef HAVE_LIBPCAP
-#ifdef HAVE_IO_H
-#include <io.h>
-#endif
-
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <time.h>
#include <errno.h>
-#ifdef NEED_SNPRINTF_H
-#include "snprintf.h"
-#endif
+#include <pcap.h>
+
+#include <glib.h>
-#include "wiretap/wtap.h"
+#include "pcapio.h"
#include "ringbuffer.h"
+#include "file_util.h"
-/* Win32 needs the O_BINARY flag for open() */
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
/* Ringbuffer file structure */
typedef struct _rb_file {
/* Ringbuffer data structure */
typedef struct _ringbuf_data {
rb_file *files;
- guint num_files; /* Number of ringbuffer files */
- guint curr_file_num; /* Number of the current file */
+ guint num_files; /* Number of ringbuffer files (1 to ...) */
+ guint curr_file_num; /* Number of the current file (ever increasing) */
gchar *fprefix; /* Filename prefix */
gchar *fsuffix; /* Filename suffix */
gboolean unlimited; /* TRUE if unlimited number of files */
- int filetype;
int linktype;
int snaplen;
int fd; /* Current ringbuffer file descriptor */
- wtap_dumper *pdh;
+ FILE *pdh;
} ringbuf_data;
static ringbuf_data rb_data;
if (rfile->name != NULL) {
if (rb_data.unlimited == FALSE) {
/* remove old file (if any, so ignore error) */
- unlink(rfile->name);
+ eth_unlink(rfile->name);
}
g_free(rfile->name);
}
#endif
current_time = time(NULL);
- snprintf(filenum, sizeof(filenum), "%05d", rb_data.curr_file_num + 1 /*.number*/);
+ g_snprintf(filenum, sizeof(filenum), "%05d", rb_data.curr_file_num + 1 /*.number*/);
strftime(timestr, sizeof(timestr), "%Y%m%d%H%M%S", localtime(¤t_time));
rfile->name = g_strconcat(rb_data.fprefix, "_", filenum, "_", timestr,
rb_data.fsuffix, NULL);
return -1;
}
- rb_data.fd = open(rfile->name, O_RDWR|O_BINARY|O_TRUNC|O_CREAT, 0600);
+ rb_data.fd = eth_open(rfile->name, O_RDWR|O_BINARY|O_TRUNC|O_CREAT, 0600);
if (rb_data.fd == -1 && err != NULL) {
*err = errno;
}
/*
- * Calls wtap_dump_fdopen() for the current ringbuffer file
+ * Calls libpcap_fdopen() for the current ringbuffer file
*/
-wtap_dumper*
-ringbuf_init_wtap_dump_fdopen(int filetype, int linktype, int snaplen, int *err)
+FILE *
+ringbuf_init_libpcap_fdopen(int linktype, int snaplen,
+ long *bytes_written, int *err)
{
- rb_data.filetype = filetype;
rb_data.linktype = linktype;
rb_data.snaplen = snaplen;
- rb_data.pdh = wtap_dump_fdopen(rb_data.fd, filetype, linktype, snaplen, err);
-
+ rb_data.pdh = libpcap_fdopen(rb_data.fd, linktype, snaplen, bytes_written,
+ err);
return rb_data.pdh;
}
* Switches to the next ringbuffer file
*/
gboolean
-ringbuf_switch_file(wtap_dumper **pdh, gchar **save_file, int *save_file_fd, int *err)
+ringbuf_switch_file(FILE **pdh, gchar **save_file, int *save_file_fd,
+ long *bytes_written, int *err)
{
int next_file_num;
rb_file *next_rfile = NULL;
/* close current file */
- if (!wtap_dump_close(rb_data.pdh, err)) {
- close(rb_data.fd); /* XXX - the above should have closed this already */
+ if (!libpcap_dump_close(rb_data.pdh, err)) {
+ eth_close(rb_data.fd); /* XXX - the above should have closed this already */
rb_data.pdh = NULL; /* it's still closed, we just got an error while closing */
rb_data.fd = -1;
return FALSE;
/* get the next file number and open it */
- next_file_num = (rb_data.curr_file_num + 1) % rb_data.num_files;
+ rb_data.curr_file_num++ /* = next_file_num*/;
+ next_file_num = (rb_data.curr_file_num) % rb_data.num_files;
next_rfile = &rb_data.files[next_file_num];
if (ringbuf_open_file(next_rfile, err) == -1) {
return FALSE;
}
- if (ringbuf_init_wtap_dump_fdopen(rb_data.filetype, rb_data.linktype,
- rb_data.snaplen, err) == NULL) {
+ if (ringbuf_init_libpcap_fdopen(rb_data.linktype, rb_data.snaplen,
+ bytes_written, err) == NULL) {
return FALSE;
}
/* switch to the new file */
- rb_data.curr_file_num = next_file_num;
*save_file = next_rfile->name;
*save_file_fd = rb_data.fd;
(*pdh) = rb_data.pdh;
}
/*
- * Calls wtap_dump_close() for the current ringbuffer file
+ * Calls libpcap_dump_close() for the current ringbuffer file
*/
gboolean
-ringbuf_wtap_dump_close(gchar **save_file, int *err)
+ringbuf_libpcap_dump_close(gchar **save_file, int *err)
{
gboolean ret_val = TRUE;
/* close current file, if it's open */
if (rb_data.pdh != NULL) {
- if (!wtap_dump_close(rb_data.pdh, err)) {
- close(rb_data.fd);
+ if (!libpcap_dump_close(rb_data.pdh, err)) {
+ eth_close(rb_data.fd);
ret_val = FALSE;
}
}
/* set the save file name to the current file */
- *save_file = rb_data.files[rb_data.curr_file_num].name;
+ *save_file = rb_data.files[rb_data.curr_file_num % rb_data.num_files].name;
return ret_val;
}
/* try to close via wtap */
if (rb_data.pdh != NULL) {
- if (wtap_dump_close(rb_data.pdh, NULL)) {
+ if (libpcap_dump_close(rb_data.pdh, NULL)) {
rb_data.fd = -1;
}
rb_data.pdh = NULL;
}
/* close directly if still open */
- /* XXX - it shouldn't still be open; "wtap_dump_close()" should leave the
+ /* XXX - it shouldn't still be open; "libpcap_dump_close()" should leave the
file closed even if it fails */
if (rb_data.fd != -1) {
- close(rb_data.fd);
+ eth_close(rb_data.fd);
rb_data.fd = -1;
}
if (rb_data.files != NULL) {
for (i=0; i < rb_data.num_files; i++) {
if (rb_data.files[i].name != NULL) {
- unlink(rb_data.files[i].name);
+ eth_unlink(rb_data.files[i].name);
}
}
}