* Copyright (C) 2003-2007 Wayne Davison
*
* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+ * with this program; if not, visit the http://fsf.org website.
*/
/* Rsync provides its own multiplexing system, which is used to send
extern char *filesfrom_host;
extern struct stats stats;
extern struct file_list *cur_flist, *first_flist;
+#ifdef ICONV_OPTION
+extern iconv_t ic_send, ic_recv;
+#endif
const char phase_unknown[] = "unknown";
int ignore_timeout = 0;
static int io_filesfrom_f_in = -1;
static int io_filesfrom_f_out = -1;
static char io_filesfrom_buf[2048];
+#ifdef ICONV_OPTION
+static char iconv_buf[sizeof io_filesfrom_buf / 2];
+#endif
static char *io_filesfrom_bp;
static char io_filesfrom_lastchar;
static int io_filesfrom_buflen;
static void writefd_unbuffered(int fd, const char *buf, size_t len);
static void decrement_active_files(int ndx);
static void decrement_flist_in_progress(int ndx, int redo);
+static void mplex_write(int fd, enum msgcode code, const char *buf, size_t len, int convert);
struct flist_ndx_item {
struct flist_ndx_item *next;
struct msg_list_item {
struct msg_list_item *next;
- int len;
+ char convert;
char buf[1];
};
}
/* Add a message to the pending MSG_* list. */
-static void msg_list_add(struct msg_list *lst, int code, const char *buf, int len)
+static void msg_list_add(struct msg_list *lst, int code, const char *buf, int len, int convert)
{
struct msg_list_item *m;
int sz = len + 4 + sizeof m[0] - 1;
if (!(m = (struct msg_list_item *)new_array(char, sz)))
out_of_memory("msg_list_add");
m->next = NULL;
- m->len = len + 4;
+ m->convert = convert;
SIVAL(m->buf, 0, ((code+MPLEX_BASE)<<24) | len);
memcpy(m->buf + 4, buf, len);
if (lst->tail)
if (am_generator) {
while (msg_queue.head && io_multiplexing_out) {
struct msg_list_item *m = msg_queue.head;
+ int len = IVAL(m->buf, 0) & 0xFFFFFF;
+ int tag = *((uchar*)m->buf+3) - MPLEX_BASE;
if (!(msg_queue.head = m->next))
msg_queue.tail = NULL;
- stats.total_written += m->len;
+ stats.total_written += len + 4;
defer_forwarding_messages++;
- writefd_unbuffered(sock_f_out, m->buf, m->len);
+ mplex_write(sock_f_out, tag, m->buf + 4, len, m->convert);
defer_forwarding_messages--;
free(m);
}
} else {
while (msg_queue.head) {
struct msg_list_item *m = msg_queue.head;
+ int len = IVAL(m->buf, 0) & 0xFFFFFF;
+ int tag = *((uchar*)m->buf+3) - MPLEX_BASE;
if (!(msg_queue.head = m->next))
msg_queue.tail = NULL;
defer_forwarding_messages++;
- writefd_unbuffered(msg_fd_out, m->buf, m->len);
+ mplex_write(msg_fd_out, tag, m->buf + 4, len, m->convert);
defer_forwarding_messages--;
free(m);
}
/* Read extra file list from receiver. */
assert(iobuf_in != NULL);
assert(iobuf_f_in == fd);
+ if (verbose > 3) {
+ rprintf(FINFO, "[%s] receiving flist for dir %d\n",
+ who_am_i(), IVAL(buf,0));
+ }
flist = recv_file_list(fd);
flist->parent_ndx = IVAL(buf,0);
break;
if (len >= (int)sizeof buf || !am_generator)
goto invalid_msg;
readfd(fd, buf, len);
- send_msg(MSG_DELETED, buf, len);
+ send_msg(MSG_DELETED, buf, len, 1);
break;
case MSG_SUCCESS:
if (len != 4 || !am_generator)
readfd(fd, buf, len);
if (remove_source_files) {
decrement_active_files(IVAL(buf,0));
- send_msg(MSG_SUCCESS, buf, len);
+ send_msg(MSG_SUCCESS, buf, len, 0);
}
if (preserve_hard_links)
flist_ndx_push(&hlink_list, IVAL(buf,0));
if (n >= sizeof buf)
n = sizeof buf - 1;
readfd(fd, buf, n);
- rwrite((enum logcode)tag, buf, n);
+ rwrite((enum logcode)tag, buf, n, !am_generator);
len -= n;
}
break;
rprintf(FERROR,
"Invalid file index: %d (%d - %d) [%s]\n",
ndx, first_flist->ndx_start,
- first_flist->prev->ndx_start + first_flist->prev->count - 1,
+ first_flist->prev->ndx_start + first_flist->prev->used - 1,
who_am_i());
exit_cleanup(RERR_PROTOCOL);
}
flist = flist->prev;
}
- while (ndx >= flist->ndx_start + flist->count) {
+ while (ndx >= flist->ndx_start + flist->used) {
if (!(flist = flist->next))
goto invalid_ndx;
}
}
/* Write an message to a multiplexed stream. If this fails, rsync exits. */
-static void mplex_write(int fd, enum msgcode code, const char *buf, size_t len)
+static void mplex_write(int fd, enum msgcode code, const char *buf, size_t len, int convert)
{
- char buffer[1024];
+ char buffer[BIGPATHBUFLEN]; /* Oversized for use by iconv code. */
size_t n = len;
SIVAL(buffer, 0, ((MPLEX_BASE + (int)code)<<24) + len);
- if (n > sizeof buffer - 4)
+#ifdef ICONV_OPTION
+ if (convert && ic_send == (iconv_t)-1)
+#endif
+ convert = 0;
+
+ if (convert || n > 1024 - 4) /* BIGPATHBUFLEN can handle 1024 bytes */
n = 0;
else
memcpy(buffer + 4, buf, n);
len -= n;
buf += n;
+#ifdef ICONV_OPTION
+ if (convert) {
+ iconv(ic_send, NULL, 0, NULL, 0);
+ defer_forwarding_messages++;
+ while (len) {
+ ICONV_CONST char *ibuf = (ICONV_CONST char *)buf;
+ char *obuf = buffer;
+ size_t ocnt = sizeof buffer;
+ while (len && iconv(ic_send, &ibuf,&len,
+ &obuf,&ocnt) == (size_t)-1) {
+ if (errno == E2BIG || !ocnt)
+ break;
+ *obuf++ = *ibuf++;
+ ocnt--, len--;
+ }
+ n = obuf - buffer;
+ writefd_unbuffered(fd, buffer, n);
+ }
+ if (!--defer_forwarding_messages)
+ msg_flush();
+ } else
+#endif
if (len) {
defer_forwarding_messages++;
writefd_unbuffered(fd, buf, len);
}
}
-int send_msg(enum msgcode code, const char *buf, int len)
+int send_msg(enum msgcode code, const char *buf, int len, int convert)
{
if (msg_fd_out < 0) {
if (!defer_forwarding_messages)
- return io_multiplex_write(code, buf, len);
+ return io_multiplex_write(code, buf, len, convert);
if (!io_multiplexing_out)
return 0;
- msg_list_add(&msg_queue, code, buf, len);
+ msg_list_add(&msg_queue, code, buf, len, convert);
return 1;
}
if (flist_forward_from >= 0)
- msg_list_add(&msg_queue, code, buf, len);
+ msg_list_add(&msg_queue, code, buf, len, convert);
else
- mplex_write(msg_fd_out, code, buf, len);
+ mplex_write(msg_fd_out, code, buf, len, convert);
return 1;
}
{
char numbuf[4];
SIVAL(numbuf, 0, num);
- send_msg(code, numbuf, 4);
+ send_msg(code, numbuf, 4, 0);
}
void wait_for_receiver(void)
io_filesfrom_bp = io_filesfrom_buf;
else
io_filesfrom_bp += l;
- } else {
+ } else if (errno != EINTR) {
/* XXX should we complain? */
io_filesfrom_f_out = -1;
}
io_filesfrom_buf,
sizeof io_filesfrom_buf);
if (l <= 0) {
- /* Send end-of-file marker */
- io_filesfrom_buf[0] = '\0';
- io_filesfrom_buf[1] = '\0';
- io_filesfrom_buflen = io_filesfrom_lastchar? 2 : 1;
- io_filesfrom_f_in = -1;
+ if (l == 0 || errno != EINTR) {
+ /* Send end-of-file marker */
+ io_filesfrom_buf[0] = '\0';
+ io_filesfrom_buf[1] = '\0';
+ io_filesfrom_buflen = io_filesfrom_lastchar? 2 : 1;
+ io_filesfrom_f_in = -1;
+ }
} else {
if (!eol_nulls) {
char *s = io_filesfrom_buf + l;
return cnt;
}
-/**
- * Read a line into the "fname" buffer (which must be at least MAXPATHLEN
- * characters long).
- */
+/* Read a line into the "fname" buffer (which must be at least MAXPATHLEN
+ * characters long). */
int read_filesfrom_line(int fd, char *fname)
{
char ch, *s, *eob = fname + MAXPATHLEN - 1;
if (protocol_version < 29)
return; /* there's nothing we can do */
if (protocol_version >= 30)
- send_msg(MSG_NOOP, "", 0);
+ send_msg(MSG_NOOP, "", 0, 0);
else {
- write_int(sock_f_out, cur_flist->count);
+ write_int(sock_f_out, cur_flist->used);
write_shortint(sock_f_out, ITEM_IS_NEW);
}
}
case MSG_DELETED:
if (msg_bytes >= sizeof line)
goto overflow;
- read_loop(fd, line, msg_bytes);
+#ifdef ICONV_OPTION
+ if (ic_recv != (iconv_t)-1) {
+ ICONV_CONST char *ibuf;
+ char *obuf = line;
+ size_t icnt, ocnt = sizeof line - 1;
+ int add_null = 0;
+ iconv(ic_send, NULL, 0, NULL, 0);
+ while (msg_bytes) {
+ icnt = msg_bytes > sizeof iconv_buf
+ ? sizeof iconv_buf : msg_bytes;
+ read_loop(fd, iconv_buf, icnt);
+ if (!(msg_bytes -= icnt) && !iconv_buf[icnt-1])
+ icnt--, add_null = 1;
+ ibuf = (ICONV_CONST char *)iconv_buf;
+ if (iconv(ic_send, &ibuf,&icnt,
+ &obuf,&ocnt) == (size_t)-1)
+ goto overflow; // XXX
+ }
+ if (add_null)
+ *obuf++ = '\0';
+ msg_bytes = obuf - line;
+ } else
+#endif
+ read_loop(fd, line, msg_bytes);
/* A directory name was sent with the trailing null */
if (msg_bytes > 0 && !line[msg_bytes-1])
log_delete(line, S_IFDIR);
exit_cleanup(RERR_STREAMIO);
}
read_loop(fd, line, msg_bytes);
- rwrite((enum logcode)tag, line, msg_bytes);
+ rwrite((enum logcode)tag, line, msg_bytes, 1);
break;
default:
rprintf(FERROR, "unexpected tag %d [%s]\n",
return;
if (io_multiplexing_out)
- mplex_write(sock_f_out, MSG_DATA, iobuf_out, iobuf_out_cnt);
+ mplex_write(sock_f_out, MSG_DATA, iobuf_out, iobuf_out_cnt, 0);
else
writefd_unbuffered(iobuf_f_out, iobuf_out, iobuf_out_cnt);
iobuf_out_cnt = 0;
}
/** Write an message to the multiplexed data stream. */
-int io_multiplex_write(enum msgcode code, const char *buf, size_t len)
+int io_multiplex_write(enum msgcode code, const char *buf, size_t len, int convert)
{
if (!io_multiplexing_out)
return 0;
io_flush(NORMAL_FLUSH);
stats.total_written += (len+4);
- mplex_write(sock_f_out, code, buf, len);
+ mplex_write(sock_f_out, code, buf, len, convert);
return 1;
}
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff