Add optional mmap(2)/write(2) support for binary file transfer.
The default is read(2)/write(2). Note that the sosend_loan needs some more work for better performance when a file isn't cached.
This commit is contained in:
enami
parent
e67961b545
commit
260e9f55a7
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@ -1,4 +1,4 @@
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/* $NetBSD: conf.c,v 1.46 2001/12/04 13:54:12 lukem Exp $ */
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/* $NetBSD: conf.c,v 1.47 2002/05/30 00:24:47 enami Exp $ */
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/*-
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* Copyright (c) 1997-2001 The NetBSD Foundation, Inc.
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@ -38,7 +38,7 @@
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: conf.c,v 1.46 2001/12/04 13:54:12 lukem Exp $");
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__RCSID("$NetBSD: conf.c,v 1.47 2002/05/30 00:24:47 enami Exp $");
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#endif /* not lint */
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#include <sys/types.h>
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@ -119,6 +119,11 @@ init_curclass(void)
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curclass.timeout = DEFAULT_TIMEOUT;
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/* curclass.type is set elsewhere */
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curclass.umask = DEFAULT_UMASK;
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curclass.mmapsize = 0;
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curclass.readsize = 0;
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curclass.writesize = 0;
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curclass.sendbufsize = 0;
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curclass.sendlowat = 0;
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CURCLASS_FLAGS_SET(checkportcmd);
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CURCLASS_FLAGS_CLR(denyquick);
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@ -398,6 +403,71 @@ parse_conf(const char *findclass)
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}
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curclass.maxtimeout = timeout;
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} else if (strcasecmp(word, "mmapsize") == 0) {
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curclass.mmapsize = 0;
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if (none || EMPTYSTR(arg))
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continue;
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llval = strsuftoll(arg);
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if (llval == -1) {
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syslog(LOG_WARNING,
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"%s line %d: invalid mmapsize %s",
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infile, (int)line, arg);
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continue;
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}
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curclass.mmapsize = llval;
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} else if (strcasecmp(word, "readsize") == 0) {
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curclass.readsize = 0;
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if (none || EMPTYSTR(arg))
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continue;
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llval = strsuftoll(arg);
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if (llval == -1) {
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syslog(LOG_WARNING,
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"%s line %d: invalid readsize %s",
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infile, (int)line, arg);
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continue;
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}
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curclass.readsize = llval;
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} else if (strcasecmp(word, "writesize") == 0) {
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curclass.writesize = 0;
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if (none || EMPTYSTR(arg))
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continue;
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llval = strsuftoll(arg);
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if (llval == -1) {
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syslog(LOG_WARNING,
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"%s line %d: invalid writesize %s",
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infile, (int)line, arg);
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continue;
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}
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curclass.writesize = llval;
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} else if (strcasecmp(word, "sendbufsize") == 0) {
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curclass.sendbufsize = 0;
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if (none || EMPTYSTR(arg))
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continue;
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llval = strsuftoll(arg);
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if (llval == -1) {
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syslog(LOG_WARNING,
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"%s line %d: invalid sendbufsize %s",
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infile, (int)line, arg);
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continue;
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}
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curclass.sendbufsize = llval;
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} else if (strcasecmp(word, "sendlowat") == 0) {
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curclass.sendlowat = 0;
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if (none || EMPTYSTR(arg))
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continue;
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llval = strsuftoll(arg);
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if (llval == -1) {
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syslog(LOG_WARNING,
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"%s line %d: invalid sendlowat %s",
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infile, (int)line, arg);
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continue;
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}
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curclass.sendlowat = llval;
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} else if (strcasecmp(word, "modify") == 0) {
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CONF_FLAG(modify);
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@ -1,4 +1,4 @@
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/* $NetBSD: extern.h,v 1.43 2001/12/04 13:54:12 lukem Exp $ */
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/* $NetBSD: extern.h,v 1.44 2002/05/30 00:24:47 enami Exp $ */
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/*-
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* Copyright (c) 1992, 1993
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@ -276,6 +276,11 @@ struct ftpclass {
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unsigned int timeout; /* Default timeout */
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class_ft type; /* Class type */
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mode_t umask; /* Umask to use */
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LLT mmapsize; /* mmap window size */
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LLT readsize; /* data read size */
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LLT writesize; /* data write size */
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LLT sendbufsize; /* SO_SNDBUF size */
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LLT sendlowat; /* SO_SNDLOWAT size */
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};
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extern void ftp_loop(void) __attribute__ ((noreturn));
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@ -1,4 +1,4 @@
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/* $NetBSD: ftpd.c,v 1.138 2002/02/11 11:45:07 lukem Exp $ */
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/* $NetBSD: ftpd.c,v 1.139 2002/05/30 00:24:47 enami Exp $ */
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/*
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* Copyright (c) 1997-2001 The NetBSD Foundation, Inc.
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@ -109,7 +109,7 @@ __COPYRIGHT(
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#if 0
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static char sccsid[] = "@(#)ftpd.c 8.5 (Berkeley) 4/28/95";
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#else
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__RCSID("$NetBSD: ftpd.c,v 1.138 2002/02/11 11:45:07 lukem Exp $");
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__RCSID("$NetBSD: ftpd.c,v 1.139 2002/05/30 00:24:47 enami Exp $");
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#endif
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#endif /* not lint */
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@ -121,6 +121,8 @@ __RCSID("$NetBSD: ftpd.c,v 1.138 2002/02/11 11:45:07 lukem Exp $");
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/wait.h>
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#include <sys/mman.h>
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#include <sys/resource.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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@ -208,6 +210,13 @@ int epsvall = 0;
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int swaitmax = SWAITMAX;
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int swaitint = SWAITINT;
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enum send_status {
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SS_SUCCESS,
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SS_NO_TRANSFER, /* no transfer made yet */
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SS_FILE_ERROR, /* file read error */
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SS_DATA_ERROR /* data send error */
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};
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static int bind_pasv_addr(void);
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static int checkuser(const char *, const char *, int, int, char **);
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static int checkaccess(const char *);
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@ -219,8 +228,15 @@ static void logremotehost(struct sockinet *);
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static void lostconn(int);
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static void myoob(int);
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static int receive_data(FILE *, FILE *);
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static int send_data(FILE *, FILE *, off_t, int);
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static int send_data(FILE *, FILE *, const struct stat *, int);
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static struct passwd *sgetpwnam(const char *);
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static int write_data(int, char *, size_t, off_t *, struct timeval *,
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int);
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static enum send_status
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send_data_with_read(int, int, const struct stat *, int);
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static enum send_status
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send_data_with_mmap(int, int, const struct stat *, int);
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static void logrusage(const struct rusage *, const struct rusage *);
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int main(int, char *[]);
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@ -1206,6 +1222,7 @@ retrieve(char *argv[], const char *name)
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int (*closefunc)(FILE *) = NULL;
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int log, sendrv, closerv, stderrfd, isconversion, isdata, isls;
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struct timeval start, finish, td, *tdp;
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struct rusage rusage_before, rusage_after;
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const char *dispname;
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char *error;
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@ -1286,15 +1303,20 @@ retrieve(char *argv[], const char *name)
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if (dout == NULL)
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goto done;
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(void)getrusage(RUSAGE_SELF, &rusage_before);
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(void)gettimeofday(&start, NULL);
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sendrv = send_data(fin, dout, st.st_blksize, isdata);
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sendrv = send_data(fin, dout, &st, isdata);
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(void)gettimeofday(&finish, NULL);
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(void)getrusage(RUSAGE_SELF, &rusage_after);
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closedataconn(dout); /* close now to affect timing stats */
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timersub(&finish, &start, &td);
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tdp = &td;
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done:
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if (log)
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if (log) {
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logxfer("get", byte_count, name, NULL, tdp, error);
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if (tdp != NULL)
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logrusage(&rusage_before, &rusage_after);
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}
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closerv = (*closefunc)(fin);
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if (sendrv == 0) {
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FILE *errf;
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@ -1585,21 +1607,173 @@ closedataconn(FILE *fd)
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pdata = -1;
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}
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int
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write_data(int fd, char *buf, size_t size, off_t *bufrem,
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struct timeval *then, int isdata)
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{
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struct timeval now, td;
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ssize_t c;
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while (size > 0) {
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c = size;
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if (curclass.writesize) {
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if (curclass.writesize < c)
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c = curclass.writesize;
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}
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if (curclass.rateget) {
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if (*bufrem < c)
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c = *bufrem;
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}
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(void) alarm(curclass.timeout);
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c = write(fd, buf, c);
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if (c <= 0)
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return (1);
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buf += c;
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size -= c;
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byte_count += c;
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if (isdata) {
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total_data_out += c;
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total_data += c;
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}
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total_bytes_out += c;
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total_bytes += c;
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if (curclass.rateget) {
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*bufrem -= c;
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if (*bufrem == 0) {
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(void)gettimeofday(&now, NULL);
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timersub(&now, then, &td);
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if (td.tv_sec == 0) {
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usleep(1000000 - td.tv_usec);
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(void)gettimeofday(then, NULL);
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} else
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*then = now;
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*bufrem = curclass.rateget;
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}
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}
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}
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return (0);
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}
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static enum send_status
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send_data_with_read(int filefd, int netfd, const struct stat *st, int isdata)
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{
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struct timeval then;
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off_t bufrem;
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size_t readsize;
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char *buf;
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int c, error;
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if (curclass.readsize)
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readsize = curclass.readsize;
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else
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readsize = (size_t)st->st_blksize;
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if ((buf = malloc(readsize)) == NULL) {
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perror_reply(451, "Local resource failure: malloc");
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return (SS_NO_TRANSFER);
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}
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if (curclass.rateget) {
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bufrem = curclass.rateget;
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(void)gettimeofday(&then, NULL);
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}
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while (1) {
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(void) alarm(curclass.timeout);
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c = read(filefd, buf, readsize);
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if (c == 0)
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error = SS_SUCCESS;
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else if (c < 0)
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error = SS_FILE_ERROR;
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else if (write_data(netfd, buf, c, &bufrem, &then, isdata))
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error = SS_DATA_ERROR;
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else
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continue;
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free(buf);
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return (error);
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}
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}
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static enum send_status
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send_data_with_mmap(int filefd, int netfd, const struct stat *st, int isdata)
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{
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struct timeval then;
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off_t bufrem, filesize, off, origoff;
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size_t mapsize, winsize;
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int error, sendbufsize, sendlowat;
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void *win;
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if (curclass.sendbufsize) {
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sendbufsize = curclass.sendbufsize;
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if (setsockopt(netfd, SOL_SOCKET, SO_SNDBUF,
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&sendbufsize, sizeof(int)) == -1)
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syslog(LOG_WARNING, "setsockopt(SO_SNDBUF, %d): %m",
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sendbufsize);
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}
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if (curclass.sendlowat) {
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sendlowat = curclass.sendlowat;
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if (setsockopt(netfd, SOL_SOCKET, SO_SNDLOWAT,
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&sendlowat, sizeof(int)) == -1)
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syslog(LOG_WARNING, "setsockopt(SO_SNDLOWAT, %d): %m",
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sendlowat);
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}
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winsize = curclass.mmapsize;
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filesize = st->st_size;
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if (debug)
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syslog(LOG_INFO, "mmapsize = %ld, writesize = %ld",
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(long)winsize, (long)curclass.writesize);
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if (winsize == 0)
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goto try_read;
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off = lseek(filefd, (off_t)0, SEEK_CUR);
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if (off == -1)
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goto try_read;
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origoff = off;
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if (curclass.rateget) {
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bufrem = curclass.rateget;
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(void)gettimeofday(&then, NULL);
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}
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while (1) {
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mapsize = MIN(filesize - off, winsize);
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if (mapsize == 0)
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break;
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win = mmap(NULL, mapsize, PROT_READ,
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MAP_FILE|MAP_SHARED, filefd, off);
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if (win == MAP_FAILED) {
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if (off == origoff)
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goto try_read;
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return (SS_FILE_ERROR);
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}
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(void) madvise(win, mapsize, MADV_SEQUENTIAL);
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error = write_data(netfd, win, mapsize, &bufrem, &then,
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isdata);
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(void) madvise(win, mapsize, MADV_DONTNEED);
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munmap(win, mapsize);
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if (error)
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return (SS_DATA_ERROR);
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off += mapsize;
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}
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return (SS_SUCCESS);
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try_read:
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return (send_data_with_read(filefd, netfd, st, isdata));
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}
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/*
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* Tranfer the contents of "instr" to "outstr" peer using the appropriate
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* encapsulation of the data subject * to Mode, Structure, and Type.
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* encapsulation of the data subject to Mode, Structure, and Type.
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*
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* NB: Form isn't handled.
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*/
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static int
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send_data(FILE *instr, FILE *outstr, off_t blksize, int isdata)
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send_data(FILE *instr, FILE *outstr, const struct stat *st, int isdata)
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{
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int c, filefd, netfd, rval;
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char *buf;
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transflag = 1;
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rval = -1;
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buf = NULL;
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if (setjmp(urgcatch))
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goto cleanup_send_data;
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@ -1642,66 +1816,22 @@ send_data(FILE *instr, FILE *outstr, off_t blksize, int isdata)
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case TYPE_I:
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case TYPE_L:
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if ((buf = malloc((size_t)blksize)) == NULL) {
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perror_reply(451, "Local resource failure: malloc");
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goto cleanup_send_data;
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}
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filefd = fileno(instr);
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netfd = fileno(outstr);
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(void) alarm(curclass.timeout);
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if (curclass.rateget) {
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while (1) {
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int d;
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struct timeval then, now, td;
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off_t bufrem;
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char *bufp;
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switch (send_data_with_mmap(filefd, netfd, st, isdata)) {
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(void)gettimeofday(&then, NULL);
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errno = c = d = 0;
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bufrem = curclass.rateget;
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while (bufrem > 0) {
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if ((c = read(filefd, buf,
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MIN(blksize, bufrem))) <= 0)
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goto senddone;
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(void) alarm(curclass.timeout);
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bufrem -= c;
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byte_count += c;
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if (isdata) {
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total_data_out += c;
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total_data += c;
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}
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total_bytes_out += c;
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total_bytes += c;
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for (bufp = buf; c > 0;
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c -= d, bufp += d)
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if ((d =
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write(netfd, bufp, c)) <= 0)
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break;
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if (d < 0)
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goto data_err;
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}
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(void)gettimeofday(&now, NULL);
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timersub(&now, &then, &td);
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if (td.tv_sec == 0)
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usleep(1000000 - td.tv_usec);
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}
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} else {
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while ((c = read(filefd, buf, (size_t)blksize)) > 0) {
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if (write(netfd, buf, c) != c)
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goto data_err;
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(void) alarm(curclass.timeout);
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byte_count += c;
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if (isdata) {
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total_data_out += c;
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total_data += c;
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}
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total_bytes_out += c;
|
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total_bytes += c;
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}
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}
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senddone:
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if (c < 0)
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case SS_SUCCESS:
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break;
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case SS_NO_TRANSFER:
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goto cleanup_send_data;
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case SS_FILE_ERROR:
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goto file_err;
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case SS_DATA_ERROR:
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goto data_err;
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}
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rval = 0;
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||||
goto cleanup_send_data;
|
||||
|
||||
|
|
@ -1723,8 +1853,6 @@ send_data(FILE *instr, FILE *outstr, off_t blksize, int isdata)
|
|||
cleanup_send_data:
|
||||
(void) alarm(0);
|
||||
transflag = 0;
|
||||
if (buf)
|
||||
free(buf);
|
||||
if (isdata) {
|
||||
total_files_out++;
|
||||
total_files++;
|
||||
|
|
@ -2851,7 +2979,7 @@ conffilename(const char *s)
|
|||
*/
|
||||
void
|
||||
logxfer(const char *command, off_t bytes, const char *file1, const char *file2,
|
||||
const struct timeval *elapsed, const char *error)
|
||||
const struct timeval *elapsed, const char *error)
|
||||
{
|
||||
char buf[MAXPATHLEN * 2 + 100], realfile[MAXPATHLEN];
|
||||
const char *r1, *r2;
|
||||
|
|
@ -2937,6 +3065,31 @@ logxfer(const char *command, off_t bytes, const char *file1, const char *file2,
|
|||
);
|
||||
}
|
||||
|
||||
/*
|
||||
* Log the resource usage.
|
||||
*
|
||||
* XXX: more resource usage to logging?
|
||||
*/
|
||||
void
|
||||
logrusage(const struct rusage *rusage_before,
|
||||
const struct rusage *rusage_after)
|
||||
{
|
||||
struct timeval usrtime, systime;
|
||||
|
||||
if (logging <= 1)
|
||||
return;
|
||||
|
||||
timersub(&rusage_after->ru_utime, &rusage_before->ru_utime, &usrtime);
|
||||
timersub(&rusage_after->ru_stime, &rusage_before->ru_stime, &systime);
|
||||
syslog(LOG_INFO, "%ld.%.03du %ld.%.03ds %ld+%ldio %ldpf+%ldw",
|
||||
usrtime.tv_sec, (int)(usrtime.tv_usec / 1000),
|
||||
systime.tv_sec, (int)(systime.tv_usec / 1000),
|
||||
rusage_after->ru_inblock - rusage_before->ru_inblock,
|
||||
rusage_after->ru_oublock - rusage_before->ru_oublock,
|
||||
rusage_after->ru_majflt - rusage_before->ru_majflt,
|
||||
rusage_after->ru_nswap - rusage_before->ru_nswap);
|
||||
}
|
||||
|
||||
/*
|
||||
* Determine if `password' is valid for user given in `pw'.
|
||||
* Returns 2 if password expired, 1 if otherwise failed, 0 if ok
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
.\" $NetBSD: ftpd.conf.5,v 1.19 2002/01/15 02:20:50 wiz Exp $
|
||||
.\" $NetBSD: ftpd.conf.5,v 1.20 2002/05/30 00:24:47 enami Exp $
|
||||
.\"
|
||||
.\" Copyright (c) 1997-2001 The NetBSD Foundation, Inc.
|
||||
.\" All rights reserved.
|
||||
|
|
@ -376,6 +376,17 @@ is
|
|||
or
|
||||
.Ar time
|
||||
is not specified, set to default of 2 hours.
|
||||
.It Sy mmapsize Ar class Ar size
|
||||
Set the size of sliding window to map a file using
|
||||
.Xr mmap 2 .
|
||||
If zero,
|
||||
.Xr ftpd 8
|
||||
will use
|
||||
.Xr read 2
|
||||
instead. The default is zero.
|
||||
An optional suffix may be provided as per
|
||||
.Sy rateget .
|
||||
This option affects only for binary transfer.
|
||||
.It Sy modify Ar class Op Sy off
|
||||
If
|
||||
.Ar class
|
||||
|
|
@ -510,6 +521,14 @@ If
|
|||
is
|
||||
.Dq none
|
||||
or no arguments are given, disable this.
|
||||
.It Sy readsize Ar class Ar size
|
||||
Set the size of read buffer to
|
||||
.Xr read 2
|
||||
a file.
|
||||
The default is file system block size.
|
||||
An optional suffix may be provided as per
|
||||
.Sy rateget .
|
||||
This option affects only for binary transfer.
|
||||
.It Sy sanenames Ar class Op Sy off
|
||||
If
|
||||
.Ar class
|
||||
|
|
@ -523,6 +542,18 @@ Otherwise, only permit file names which don't start with a
|
|||
.Sq \&.
|
||||
and only comprise of characters from the set
|
||||
.Dq [-+,._A-Za-z0-9] .
|
||||
.It Sy sendbufsize Ar class Ar size
|
||||
Set the size of socket send buffer.
|
||||
An optional suffix may be provided as per
|
||||
.Sy rateget .
|
||||
The default is zero and system default value will be used.
|
||||
This option affects only for binary transfer.
|
||||
.It Sy sendlowat Ar class Ar size
|
||||
Set the low water mark of socket send buffer.
|
||||
An optional suffix may be provided as per
|
||||
.Sy rateget .
|
||||
The default is zero and system default value will be used.
|
||||
This option affects only for binary transfer.
|
||||
.It Sy template Ar class Op Ar refclass
|
||||
Define
|
||||
.Ar refclass
|
||||
|
|
@ -586,6 +617,18 @@ as well as the modify commands:
|
|||
and
|
||||
.Sy UMASK .
|
||||
Otherwise, enable them.
|
||||
.It Sy writesize Ar class Ar size
|
||||
Limit the number of bytes to
|
||||
.Xr write 2
|
||||
at a time. The default is zero and
|
||||
whole data available as a resul of
|
||||
.Xr mmap 2
|
||||
or
|
||||
.Xr read 2
|
||||
will be written at a time.
|
||||
An optional suffix may be provided as per
|
||||
.Sy rateget .
|
||||
This option affects only for binary transfer.
|
||||
.El
|
||||
.Sh DEFAULTS
|
||||
The following defaults are used:
|
||||
|
|
|
|||
Loading…
Reference in New Issue