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Added experimental hydra compression

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This commit is contained in:
Michiel Broek 2003-10-13 10:52:58 +00:00
parent f7244edd0a
commit a619282f8a
6 changed files with 71 additions and 152 deletions
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142
configure vendored
View File

@ -4324,149 +4324,7 @@ fi
if test "$result" = "yes"; then
LIBS="$LIBS -lz"
for ac_header in zlib.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
if eval "test \"\${$as_ac_Header+set}\" = set"; then
echo "$as_me:$LINENO: checking for $ac_header" >&5
echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
if eval "test \"\${$as_ac_Header+set}\" = set"; then
echo $ECHO_N "(cached) $ECHO_C" >&6
fi
echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
else
# Is the header compilable?
echo "$as_me:$LINENO: checking $ac_header usability" >&5
echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
$ac_includes_default
#include <$ac_header>
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_header_compiler=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_header_compiler=no
fi
rm -f conftest.$ac_objext conftest.$ac_ext
echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
echo "${ECHO_T}$ac_header_compiler" >&6
# Is the header present?
echo "$as_me:$LINENO: checking $ac_header presence" >&5
echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <$ac_header>
_ACEOF
if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
(eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } >/dev/null; then
if test -s conftest.err; then
ac_cpp_err=$ac_c_preproc_warn_flag
else
ac_cpp_err=
fi
else
ac_cpp_err=yes
fi
if test -z "$ac_cpp_err"; then
ac_header_preproc=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_header_preproc=no
fi
rm -f conftest.err conftest.$ac_ext
echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
echo "${ECHO_T}$ac_header_preproc" >&6
# So? What about this header?
case $ac_header_compiler:$ac_header_preproc in
yes:no )
{ echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
{ echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
(
cat <<\_ASBOX
## ------------------------------------ ##
## Report this to bug-autoconf@gnu.org. ##
## ------------------------------------ ##
_ASBOX
) |
sed "s/^/$as_me: WARNING: /" >&2
;;
no:yes )
{ echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
{ echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
{ echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
(
cat <<\_ASBOX
## ------------------------------------ ##
## Report this to bug-autoconf@gnu.org. ##
## ------------------------------------ ##
_ASBOX
) |
sed "s/^/$as_me: WARNING: /" >&2
;;
esac
echo "$as_me:$LINENO: checking for $ac_header" >&5
echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
if eval "test \"\${$as_ac_Header+set}\" = set"; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
eval "$as_ac_Header=$ac_header_preproc"
fi
echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
fi
if test `eval echo '${'$as_ac_Header'}'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
fi
done
fi
echo "$as_me:$LINENO: checking for ANSI C header files" >&5
echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6

3
configure.in
View File

@ -126,7 +126,7 @@ fi
AC_CHECK_LIB(z,compress,result=yes,result=no)
if test "$result" = "yes"; then
LIBS="$LIBS -lz"
AC_CHECK_HEADERS(zlib.h)
dnl AC_CHECK_HEADERS(zlib.h)
fi
dnl Checks for header files.
@ -137,7 +137,6 @@ AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(malloc.h sys/file.h sys/ioctl.h sys/time.h termios.h syslog.h sys/vfs.h unistd.h netinet/in.h regex.h)
AC_CHECK_HEADERS(sys/resource.h usersec.h utime.h ulimit.h gshadow.h shadow.h)
AC_CHECK_HEADERS(limits.h utmp.h utmpx.h lastlog.h rpc/key_prot.h)
dnl AC_CHECK_HEADERS(zlib.h) FIXME: enable when ready for endusers.
AC_CHECK_HEADERS(iconv.h)
AC_STRUCT_TIMEZONE

74
mbcico/hydra.c
View File

@ -229,7 +229,7 @@ int put_hexbyte(char *outbuf, char c)
/* TODO: error handling */
enum HyPktTypes hyrxpkt(char *rxbuf, int *rxlen, int tot)
{
static char rxencbuf[H_BUFLEN];
static char rxencbuf[H_ZIPBUFLEN];
static enum HyPktTypes pkttype = H_NOPKT;
static char *inbuf = rxencbuf, *outbuf;
int c, i, n;
@ -357,7 +357,7 @@ enum HyPktTypes hyrxpkt(char *rxbuf, int *rxlen, int tot)
/* TODO: support packet prefix string */
void hytxpkt(enum HyPktTypes pkttype, char *txbuf, int txlen)
{
static char txencbuf[H_BUFLEN];
static char txencbuf[H_ZIPBUFLEN];
char *outbuf, *inbuf;
enum HyPktFormats format;
@ -529,12 +529,14 @@ int resync(off_t off)
int hydra_batch(int role, file_list *to_send)
{
static char txbuf[H_BUFLEN], rxbuf[H_BUFLEN];
static char txbuf[H_ZIPBUFLEN], rxbuf[H_ZIPBUFLEN];
static char txzbuf[H_ZIPBUFLEN], rxzbuf[H_ZIPBUFLEN];
struct stat txstat; /* file stat being transmitted */
FILE *txfp = NULL; /* file currently being transmitted */
FILE *rxfp = NULL; /* file currently being received */
char *inbuf, *outbuf;
int rxlen, txlen; /* length of receive/transmit buffer */
unsigned long rxzlen, txzlen; /* length of receive/transmit compressed buffer */
long txwindow, rxwindow; /* window sizes */
long txpos;
off_t rxpos; /* file positions */
@ -558,6 +560,7 @@ int hydra_batch(int role, file_list *to_send)
struct timeval rxstarttime, rxendtime;
struct timezone tz;
int sverr;
int rcz;
Syslog('h', "Hydra: resettimers");
RESETTIMERS();
@ -1009,12 +1012,45 @@ int hydra_batch(int role, file_list *to_send)
}
} else {
// FIXME: Here we must add the compression code
#ifdef HAVE_ZLIB_H
if (txoptions & HOPT_CANPLZ) {
txzlen = H_ZIPBUFLEN;
rcz = compress(txzbuf, &txzlen, txbuf, txlen);
if (rcz == Z_OK) {
Syslog('h', "Compressed OK, srclen=%d, destlen=%d, will send compressed=%s", txlen, txzlen,
(txzlen < txlen) ?"yes":"no");
if (txzlen < txlen) {
txpos += txlen;
sentbytes += txlen;
goodbytes += txlen;
txzlen += 4;
hytxpkt(HPKT_ZIPDATA, txzbuf, txzlen);
} else {
txpos += txlen;
sentbytes += txlen;
goodbytes += txlen;
txlen += 4;
hytxpkt(HPKT_DATA, txbuf, txlen);
}
} else {
/*
* Compress failed, send data uncompressed
*/
Syslog('h', "Compress error");
txpos += txlen;
sentbytes += txlen;
goodbytes += txlen;
txlen += 4;
hytxpkt(HPKT_DATA, txbuf, txlen);
}
}
#else
txpos += txlen;
sentbytes += txlen;
goodbytes += txlen;
txlen += 4;
hytxpkt(HPKT_DATA, txbuf, txlen);
#endif
if (goodbytes > goodneeded) {
blksize *= 2;
if (blksize > H_MAXBLKLEN) {
@ -1241,7 +1277,7 @@ int hydra_batch(int role, file_list *to_send)
*/
txoptions = rxoptions;
put_flags(txbuf, rxoptions);
Syslog('h', "Hydra: options: %s (%08lx)", txbuf, rxoptions);
Syslog('+', "Hydra: options: %s (%08lx)", txbuf, rxoptions);
/*
* get desired window sizes
@ -1383,13 +1419,35 @@ int hydra_batch(int role, file_list *to_send)
case HRX_DATA:
Syslog('h', "SM 'HRX' entering 'DATA'");
// FIXME: Here the zlib extensions.
#ifdef HAVE_ZLIB_H
if (((pkttype == HPKT_DATA) || (pkttype == HPKT_ZIPDATA)) && (rxlen > 4)) {
longnum = get_long(rxbuf);
Syslog('h', "Hydra: rcvd %sDATA (0x%08lx, 0x%08lx) %lu", (pkttype == HPKT_ZIPDATA) ? "ZIP":"",
longnum, rxpos, rxlen-4);
#else
if ((pkttype == HPKT_DATA) && (rxlen > 4)) {
longnum = get_long(rxbuf);
Syslog('h', "Hydra: rcvd DATA (0x%08lx, 0x%08lx) %lu", longnum, rxpos, rxlen-4);
#endif
Nopper();
if (longnum == rxpos) {
#ifdef HAVE_ZLIB_H
if (pkttype == HPKT_ZIPDATA) {
rxzlen = H_ZIPBUFLEN;
rcz = uncompress(rxzbuf, &rxzlen, rxbuf + 4, rxlen - 4);
if (rcz == Z_OK) {
/*
* Uncompress data and put the data into the normal
* receive buffer.
*/
Syslog('h', "uncompressed size %d => %d", rxlen -4, rxzlen);
memcpy(rxbuf + 4, rxzbuf, rxzlen);
rxlen = rxzlen + 4;
} else {
Syslog('h', "Uncompress error, fatal what should we do");
}
}
#endif
if (fwrite(rxbuf + 4, 1, rxlen - 4, rxfp) != (rxlen - 4)) {
WriteError("$Hydra: error writing to file");
rxpos = -2;
@ -1637,6 +1695,8 @@ int hydra(int role)
if (session_flags & SESSION_WAZOO)
request = create_freqlist(remote);
Syslog('h', "H_BUFLEN=%d H_ZIPBUFLEN=%d", H_BUFLEN, H_ZIPBUFLEN);
/*
* Send only file requests during first batch if remote supports

1
mbcico/hydra.h
View File

@ -80,6 +80,7 @@
#define H_OVERHEAD 8 /* Max. no. control bytes in a pkt */
#define H_MAXPKTLEN ((H_MAXBLKLEN + H_OVERHEAD + 5) * 3) /* Encoded pkt */
#define H_BUFLEN (H_MAXPKTLEN + 16) /* Buffer sizes: max.enc.pkt + slack */
#define H_ZIPBUFLEN (((H_BUFLEN * 11) / 10) + 12) /* Compressed data pkt */
#define H_PKTPREFIX 31 /* Max length of pkt prefix string */
#define H_FLAGLEN 3 /* Length of a flag field */
#define H_RETRIES 10 /* No. retries in case of an error */

2
mbsebbs/Makefile
View File

@ -164,7 +164,7 @@ user.o: ../config.h ../lib/libs.h ../lib/mbse.h ../lib/structs.h ../lib/users.h
mbnewusr.o: ../config.h ../lib/libs.h ../lib/mbse.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/clcomm.h ../lib/mberrors.h mbnewusr.h funcs.h input.h language.h misc.h timeout.h newuser.h
input.o: ../config.h ../lib/libs.h ../lib/mbse.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/clcomm.h ../lib/common.h ../lib/mberrors.h input.h timeout.h language.h
whoson.o: ../config.h ../lib/libs.h ../lib/mbse.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/clcomm.h input.h language.h exitinfo.h whoson.h
door.o: ../config.h ../lib/libs.h ../lib/mbse.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/clcomm.h ../lib/mberrors.h input.h timeout.h exitinfo.h whoson.h door.h
door.o: ../config.h ../lib/libs.h ../lib/mbse.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/clcomm.h ../lib/mberrors.h language.h input.h timeout.h exitinfo.h whoson.h door.h
dispfile.o: ../config.h ../lib/libs.h ../lib/mbse.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/msgtext.h ../lib/msg.h ../lib/clcomm.h funcs.h language.h oneline.h misc.h timeout.h timecheck.h exitinfo.h mail.h email.h input.h dispfile.h filesub.h
userlist.o: ../config.h ../lib/libs.h ../lib/mbse.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/clcomm.h userlist.h language.h input.h timeout.h
timestats.o: ../config.h ../lib/libs.h ../lib/mbse.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h timestats.h funcs.h language.h input.h exitinfo.h

1
mbsebbs/door.c
View File

@ -37,6 +37,7 @@
#include "../lib/common.h"
#include "../lib/clcomm.h"
#include "../lib/mberrors.h"
#include "language.h"
#include "input.h"
#include "timeout.h"
#include "exitinfo.h"