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Changed compression state logic

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This commit is contained in:
Michiel Broek 2005-09-04 12:53:57 +00:00
parent 71c658efdb
commit 9d5c36efb0
4 changed files with 160 additions and 115 deletions
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4
ChangeLog
View File

@ -3,6 +3,10 @@ $Id$
v0.71.6 02-Sep-2005
mbcico:
Changed compression state logic.
v0.71.5 18-Aug-2005 - 02-Sep-2005
nodelist.a:

4
TODO
View File

@ -95,6 +95,10 @@ mbfido:
mbcico:
L: Implement binkp option ND.
N: When answering a binkp session, do not send m_opt for compression
until we know who is on the other side so we can really block single
nodes.
mbnntp:
U: fetched mail doesn't get the status Rcvd if it was for the user.

254
mbcico/binkp.c
View File

@ -80,7 +80,7 @@ extern unsigned long rcvdbytes;
typedef enum {RxWaitF, RxAccF, RxReceD, RxWriteD, RxEOB, RxDone} RxType;
typedef enum {TxGNF, TxTryR, TxReadS, TxWLA, TxDone} TxType;
typedef enum {Ok, Failure, Continue} TrType;
typedef enum {No, WeCan, WeWant, TheyWant, Active} OptionState;
typedef enum {No, Can, Want, Active} OptionState;
typedef enum {NoState, Sending, IsSent, Got, Skipped, Get} FileState;
typedef enum {InitTransfer, Switch, Receive, Transmit, DeinitTransfer} FtType;
#ifdef USE_EXPERIMENT
@ -91,7 +91,7 @@ typedef enum {CompNone, CompPLZ} CompType;
static char *rxstate[] = { (char *)"RxWaitF", (char *)"RxAccF", (char *)"RxReceD",
(char *)"RxWriteD", (char *)"RxEOB", (char *)"RxDone" };
static char *opstate[] = { (char *)"No", (char *)"WeCan", (char *)"WeWant", (char *)"TheyWant", (char *)"Active" };
// static char *opstate[] = { (char *)"No", (char *)"Can", (char *)"Want", (char *)"Active" };
#ifdef USE_EXPERIMENT
static char *cpstate[] = { (char *)"No", (char *)"GZ", (char *)"BZ2", (char *)"PLZ" };
#endif
@ -142,7 +142,8 @@ struct binkprec {
int Major; /* Major protocol version */
int Minor; /* Minor protocol version */
unsigned char *MD_Challenge; /* Received challenge data */
int PLZflag; /* Zlib packet compression */
int PLZwe; /* Zlib packet compression */
int PLZthey; /* Zlib packet compression */
int cmpblksize; /* Ideal next blocksize */
/* Receiver buffer */
@ -198,10 +199,12 @@ struct binkprec {
int extcmd; /* EXTCMD flag */
#endif
#ifdef HAVE_ZLIB_H
int GZflag; /* GZ compression flag */
int GZwe; /* GZ compression flag */
int GZthey;
#endif
#ifdef HAVE_BZLIB_H
int BZ2flag; /* BZ2 compression flag */
int BZ2we; /* BZ2 compression flag */
int BZ2they;
#endif
#endif
};
@ -225,7 +228,9 @@ int binkp_send_frame(int, char *, int); /* Send cmd/data frame */
int binkp_send_command(int, ...); /* Send command frame */
void binkp_settimer(int); /* Set timeout timer */
int binkp_expired(void); /* Timer expired? */
int binkp_banner(void); /* Send system banner */
int binkp_banner(int); /* Send system banner */
int binkp_send_comp_opts(void); /* Send compression options */
void binkp_set_comp_state(void); /* Set compression state */
int binkp_recv_command(char *, unsigned long *, int *); /* Receive command frame */
void parse_m_nul(char *); /* Parse M_NUL message */
int binkp_poll_frame(void); /* Poll for a frame */
@ -273,25 +278,25 @@ int binkp(int role)
bp.cmpblksize = SND_BLKSIZE;
#ifdef HAVE_ZLIB_H
if (localoptions & NOPLZ)
bp.PLZflag = No;
bp.PLZthey = bp.PLZwe = No;
else
bp.PLZflag = WeCan;
bp.PLZthey = bp.PLZwe = Can;
#ifdef USE_EXPERIMENT
z_obuf = calloc(MAX_BLKSIZE + 3, sizeof(unsigned char));
if (localoptions & NOGZBZ2)
bp.GZflag = No;
bp.GZthey = bp.GZwe = No;
else
bp.GZflag = WeCan;
bp.GZthey = bp.GZwe = Can;
#endif
#else
bp.PLZflag = No;
bp.PLZthey = bp.PLZwe = No;
#endif
#ifdef USE_EXPERIMENT
#ifdef HAVE_BZLIB_H
if (localoptions & NOGZBZ2)
bp.BZ2flag = No;
bp.BZ2they = bp.BZ2we = No;
else
bp.BZ2flag = WeCan;
bp.BZ2they = bp.BZ2we = Can;
#endif
#endif
bp.buggyIrex = FALSE;
@ -400,7 +405,7 @@ SM_STATE(WaitConn)
Syslog('+', "Binkp: node %s", ascfnode(remote->addr, 0x1f));
IsDoing("Connect binkp %s", ascfnode(remote->addr, 0xf));
rc = binkp_banner();
rc = binkp_banner(TRUE);
if (rc) {
SM_ERROR;
}
@ -621,29 +626,7 @@ SM_STATE(WaitOk)
SM_STATE(Opts)
IsDoing("Binkp to %s", ascfnode(remote->addr, 0xf));
#ifdef USE_EXPERIMENT
Syslog('b', "Binkp: check for extcmd, current %d", bp.extcmd);
if (bp.extcmd) {
#ifdef HAVE_BZLIB_H
if (bp.BZ2flag == TheyWant) {
Syslog('+', "Binkp: BZ2 compression active");
bp.BZ2flag = Active;
}
#endif
#ifdef HAVE_ZLIB_H
if (bp.GZflag == TheyWant) {
bp.GZflag = Active;
Syslog('+', "Binkp: GZ compression active");
}
#endif
}
#endif
#ifdef HAVE_ZLIB_H
if (bp.PLZflag == TheyWant) {
bp.PLZflag = Active;
Syslog('+', "Binkp: PLZ compression active");
}
#endif
binkp_set_comp_state();
SM_SUCCESS;
SM_END
@ -709,7 +692,7 @@ SM_STATE(WaitConn)
}
}
if ((rc = binkp_banner())) {
if ((rc = binkp_banner(FALSE))) {
SM_ERROR;
}
@ -915,39 +898,28 @@ SM_STATE(PwdAck)
SM_STATE(Opts)
IsDoing("Binkp from %s", ascfnode(remote->addr, 0xf));
#ifdef USE_EXPERIMENT
Syslog('b', "Binkp: check for extcmd, current %d", bp.extcmd);
if (bp.extcmd) {
if (localoptions & NOGZBZ2) {
#ifdef HAVE_ZLIB_H
bp.GZwe = bp.GZthey = No;
Syslog('b', "Binkp: no GZ compression for this node");
#endif
#ifdef HAVE_BZLIB_H
if (bp.BZ2flag == TheyWant) {
Syslog('+', "Binkp: BZ2 compression active");
bp.BZ2flag = Active;
bp.BZ2we = bp.BZ2they = No;
Syslog('b', "Binkp: no BZ2 compression for this node");
#endif
}
#endif
#ifdef HAVE_ZLIB_H
if (bp.GZflag == TheyWant) {
bp.GZflag = Active;
Syslog('+', "Binkp: GZ compression active");
}
#endif
} else {
#ifdef HAVE_ZLIB_H
bp.GZflag = No;
#endif
#ifdef HAVE_BZLIB_H
bp.BZ2flag = No;
#endif
if (localoptions & NOPLZ) {
bp.PLZwe = bp.PLZthey = No;
Syslog('b', "Binkp: no PLZ compression for this node");
}
#endif
#ifdef HAVE_ZLIB_H
if (bp.PLZflag == TheyWant) {
bp.PLZflag = Active;
Syslog('+', "Binkp: PLZ compression active");
}
#endif
binkp_send_comp_opts();
binkp_set_comp_state();
SM_SUCCESS;
SM_END
@ -1811,7 +1783,7 @@ int binkp_send_frame(int cmd, char *buf, int len)
unsigned long zlen;
char *zbuf;
if ((len >= BINKP_PLZ_BLOCK) && (bp.PLZflag == Active)) {
if ((len >= BINKP_PLZ_BLOCK) && (bp.PLZwe == Active)) {
WriteError("Can't send block of %d bytes in PLZ mode", len);
return 1;
}
@ -1843,9 +1815,9 @@ int binkp_send_frame(int cmd, char *buf, int len)
* with this if it showed PLZ, GZ and BZ2 options.
*/
#ifdef USE_EXPERIMENT
if ((bp.PLZflag == Active) && (len > 20) && (!cmd) && (bp.tmode != CompGZ) && (bp.tmode != CompBZ2)) {
if ((bp.PLZwe == Active) && (len > 20) && (!cmd) && (bp.tmode != CompGZ) && (bp.tmode != CompBZ2)) {
#else
if ((bp.PLZflag == Active) && (len > 20) && (!cmd)) {
if ((bp.PLZwe == Active) && (len > 20) && (!cmd)) {
#endif
zbuf = calloc(BINKP_ZIPBUFLEN, sizeof(char));
zlen = BINKP_PLZ_BLOCK -1;
@ -1982,11 +1954,10 @@ int binkp_expired(void)
/*
* Send system info to remote
*/
int binkp_banner(void)
int binkp_banner(int originate)
{
time_t t;
int rc;
char *p;
rc = binkp_send_command(MM_NUL,"SYS %s", CFG.bbs_name);
if (!rc)
@ -2010,24 +1981,59 @@ int binkp_banner(void)
rc = binkp_send_command(MM_NUL,"OPM %s", CFG.comment);
/*
* Send extra options
* Send compression options
*/
if (originate) {
if (!rc) {
if (localoptions & NOGZBZ2)
p = xstrcpy((char *)"OPT");
else
p = xstrcpy((char *)"OPT EXTCMD");
#ifdef HAVE_BZLIB_H
if (! (localoptions & NOGZBZ2))
p = xstrcat(p, (char *)" BZ2");
#endif
rc = binkp_send_comp_opts();
}
}
return rc;
}
/*
* Send compression options
*/
int binkp_send_comp_opts(void)
{
int rc = 0, plz = FALSE, gz = FALSE, bz2 = FALSE;
char *p = NULL;
#ifdef USE_EXPERIMENT
#ifdef HAVE_ZLIB_H
if (! (localoptions & NOPLZ))
p = xstrcat(p, (char *)" PLZ");
if (! (localoptions & NOGZBZ2))
p = xstrcat(p, (char *)" GZ");
if ((bp.GZwe == Can) || (bp.GZthey == Can) || (bp.GZthey == Want)) {
gz = TRUE;
bp.GZwe = Want;
}
#endif
if (strcmp(p, "OPT"))
#ifdef HAVE_BZLIB_H
if ((bp.BZ2we == Can) || (bp.BZ2they == Can) || (bp.BZ2they == Want)) {
bz2 = TRUE;
bp.BZ2we = Want;
}
#endif
#endif
#ifdef HAVE_ZLIB_H
if ((bp.PLZwe == Can) || (bp.PLZthey == Can) || (bp.PLZthey == Want)) {
plz = TRUE;
bp.PLZwe = Want;
}
#endif
if (plz || gz || bz2) {
p = xstrcpy((char *)"OPT");
if (bz2 || gz)
p = xstrcat(p, (char *)" EXTCMD");
if (gz)
p = xstrcat(p, (char *)" GZ");
if (bz2)
p = xstrcat(p, (char *)" BZ2");
if (plz)
p = xstrcat(p, (char *)" PLZ");
rc = binkp_send_command(MM_NUL,"%s", p);
free(p);
}
@ -2037,6 +2043,43 @@ int binkp_banner(void)
void binkp_set_comp_state(void)
{
#ifdef USE_EXPERIMENT
if (bp.extcmd) {
#ifdef HAVE_BZLIB_H
if ((bp.BZ2they == Want) && (bp.BZ2we == Want)) {
Syslog('+', "Binkp: BZ2 compression active");
bp.BZ2we = bp.BZ2they = Active;
}
#endif
#ifdef HAVE_ZLIB_H
if ((bp.GZthey == Want) && (bp.GZwe == Want)) {
bp.GZwe = bp.GZthey = Active;
Syslog('+', "Binkp: GZ compression active");
}
#endif
} else {
#ifdef HAVE_ZLIB_H
bp.GZwe = bp.GZthey = No;
#endif
#ifdef HAVE_BZLIB_H
bp.BZ2we = bp.BZ2they = No;
#endif
}
#endif
#ifdef HAVE_ZLIB_H
if ((bp.PLZthey == Want) && (bp.PLZwe == Want)) {
bp.PLZwe = bp.PLZthey = Active;
Syslog('+', "Binkp: PLZ compression active");
}
#endif
}
/*
* Receive command frame
*/
@ -2152,30 +2195,27 @@ void parse_m_nul(char *msg)
#ifdef HAVE_BZLIB_H
} else if (strncmp(q, (char *)"BZ2", 3) == 0) {
if (bp.BZ2flag == WeCan) {
bp.BZ2flag = TheyWant;
Syslog('b', "Binkp: remote supports BZ2 mode");
} else {
Syslog('b', "BZ2flag is %s and received BZ2 option", opstate[bp.BZ2flag]);
Syslog('b', "Binkp: remote wants BZ2 mode");
if (bp.BZ2they == Can) {
bp.BZ2they = Want;
binkp_set_comp_state();
}
#endif
#ifdef HAVE_ZLIB_H
} else if (strncmp(q, (char *)"GZ", 2) == 0) {
if (bp.GZflag == WeCan) {
bp.GZflag = TheyWant;
Syslog('b', "Binkp: remote supports GZ mode");
} else {
Syslog('b', "GZflag is %s and received GZ option", opstate[bp.GZflag]);
Syslog('b', "Binkp: remote wants GZ mode");
if (bp.GZthey == Can) {
bp.GZthey = Want;
binkp_set_comp_state();
}
#endif
#endif
#ifdef HAVE_ZLIB_H
} else if (strncmp(q, (char *)"PLZ", 3) == 0) {
if (bp.PLZflag == WeCan) {
bp.PLZflag = TheyWant;
Syslog('b', "Binkp: remote supports PLZ mode");
} else {
Syslog('b', "PLZflag is %s and received PLZ option", opstate[bp.PLZflag]);
Syslog('b', "Binkp: remote wants PLZ mode");
if (bp.PLZthey == Can) {
bp.PLZthey = Want;
binkp_set_comp_state();
}
#endif
}
@ -2236,9 +2276,9 @@ int binkp_poll_frame(void)
bp.cmd = bp.header & BINKP_CONTROL_BLOCK;
#ifdef HAVE_ZLIB_H
#ifdef USE_EXPERIMENT
if ((bp.PLZflag == Active) && (bp.rmode == CompNone)) {
if ((bp.PLZthey == Active) && (bp.rmode == CompNone)) {
#else
if (bp.PLZflag == Active) {
if (bp.PLZthey == Active) {
#endif
bp.blklen = bp.header & 0x3fff;
} else {
@ -2255,9 +2295,9 @@ int binkp_poll_frame(void)
* Got a PLZ compressed block
*/
#ifdef USE_EXPERIMENT
if ((bp.PLZflag == Active) && (bp.header & BINKP_PLZ_BLOCK) && (bp.rmode == CompNone) && bp.blklen) {
if ((bp.PLZthey == Active) && (bp.header & BINKP_PLZ_BLOCK) && (bp.rmode == CompNone) && bp.blklen) {
#else
if ((bp.PLZflag == Active) && (bp.header & BINKP_PLZ_BLOCK) && bp.blklen) {
if ((bp.PLZthey == Active) && (bp.header & BINKP_PLZ_BLOCK) && bp.blklen) {
#endif
zbuf = calloc(BINKP_ZIPBUFLEN, sizeof(char));
zlen = BINKP_PLZ_BLOCK -1;
@ -2364,10 +2404,10 @@ int binkp_process_messages(void)
rmode = CompNone;
#ifdef USE_EXPERIMENT
#ifdef HAVE_ZLIB_H
bp.GZflag = No;
bp.GZwe = bp.GZthey = No;
#endif
#ifdef HAVE_BZLIB_H
bp.BZ2flag = No;
bp.BZ2we = bp.BZ2they = No;
#endif
#endif
Syslog('+', "Binkp: received NZ on M_GET command, compression turned off");
@ -2702,11 +2742,11 @@ void fill_binkp_list(binkp_list **bkll, file_list *fal, off_t offs)
*/
comp = FALSE;
#ifdef HAVE_ZLIB_H
if (bp.GZflag == Active)
if ((bp.GZwe == Active) && (bp.GZthey == Active))
comp = TRUE;
#endif
#ifdef HAVE_BZLIB_H
if (bp.BZ2flag == Active)
if ((bp.BZ2we == Active) && (bp.BZ2they == Active))
comp = TRUE;
#endif
if (!comp)
@ -2731,14 +2771,14 @@ void fill_binkp_list(binkp_list **bkll, file_list *fal, off_t offs)
/*
* Use BZ2 for files > 200K
*/
if ((bp.BZ2flag == Active) && (tstat.st_size > 202400)) {
if ((bp.BZ2we == Active) && (bp.BZ2they == Active) && (tstat.st_size > 202400)) {
(*tmpl)->compress = CompBZ2;
Syslog('b', "Binkp: %s compressor BZ2", fal->local);
return;
}
#endif
#ifdef HAVE_ZLIB_H
if (bp.GZflag == Active) {
if ((bp.GZwe == Active) && (bp.GZthey == Active)) {
(*tmpl)->compress = CompGZ;
Syslog('b', "Binkp: %s compressor GZ", fal->local);
return;

3
mbfido/mbfindex.c
View File

@ -627,9 +627,6 @@ void HtmlIndex(char *Lang)
snprintf(temp, PATH_MAX, "%s/index.html", area.Path);
obj_time = (int) file_time(temp);
if (strncmp(CFG.ftp_base, area.Path, strlen(CFG.ftp_base)) == 0)
Syslog('f', "Area %d index.html is %s", i, (obj_time < db_time) ? "outdated" : "up todate");
/*
* Create index.html pages in each available download area when not up to date.
*/