2 Copyright (C) Andrew Tridgell 1996
3 Copyright (C) Paul Mackerras 1996
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 extern int remote_version;
24 extern int csum_length;
25 extern struct stats stats;
32 receive the checksums for a buffer
34 static struct sum_struct *receive_sums(int f)
40 s = (struct sum_struct *)malloc(sizeof(*s));
41 if (!s) out_of_memory("receive_sums");
43 s->count = read_int(f);
45 s->remainder = read_int(f);
49 rprintf(FINFO,"count=%d n=%d rem=%d\n",
50 s->count,s->n,s->remainder);
55 s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count);
56 if (!s->sums) out_of_memory("receive_sums");
58 for (i=0;i<s->count;i++) {
59 s->sums[i].sum1 = read_int(f);
60 read_buf(f,s->sums[i].sum2,csum_length);
62 s->sums[i].offset = offset;
65 if (i == s->count-1 && s->remainder != 0) {
66 s->sums[i].len = s->remainder;
68 s->sums[i].len = s->n;
70 offset += s->sums[i].len;
73 rprintf(FINFO,"chunk[%d] len=%d offset=%.0f sum1=%08x\n",
74 i,s->sums[i].len,(double)s->sums[i].offset,s->sums[i].sum1);
84 void send_files(struct file_list *flist,int f_out,int f_in)
88 struct map_struct *buf = NULL;
90 char fname[MAXPATHLEN];
92 struct file_struct *file;
94 extern struct stats stats;
95 struct stats initial_stats;
96 extern int write_batch; /* dw */
97 extern int read_batch; /* dw */
98 int checksums_match; /* dw */
99 int buff_len; /* dw */
100 char buff[CHUNK_SIZE]; /* dw */
105 rprintf(FINFO,"send_files starting\n");
112 if (phase==0 && remote_version >= 13) {
114 csum_length = SUM_LENGTH;
117 rprintf(FINFO,"send_files phase=%d\n",phase);
123 if (i < 0 || i >= flist->count) {
124 rprintf(FERROR,"Invalid file index %d (count=%d)\n",
126 exit_cleanup(RERR_PROTOCOL);
129 file = flist->files[i];
131 stats.num_transferred_files++;
132 stats.total_transferred_size += file->length;
136 strlcpy(fname,file->basedir,MAXPATHLEN);
137 if (strlen(fname) == MAXPATHLEN-1) {
139 rprintf(FERROR, "send_files failed on long-named directory %s\n",
143 strlcat(fname,"/",MAXPATHLEN);
144 offset = strlen(file->basedir)+1;
146 strlcat(fname,f_name(file),MAXPATHLEN);
149 rprintf(FINFO,"send_files(%d,%s)\n",i,fname);
153 log_transfer(file, fname+offset);
159 initial_stats = stats;
161 s = receive_sums(f_in);
164 rprintf(FERROR,"receive_sums failed\n");
169 write_batch_csum_info(&i,flist->count,s);
172 fd = do_open(fname, O_RDONLY, 0);
175 rprintf(FERROR,"send_files failed to open %s: %s\n",
176 fname,strerror(errno));
181 /* map the local file */
182 if (do_fstat(fd,&st) != 0) {
184 rprintf(FERROR,"fstat failed : %s\n",strerror(errno));
190 if (st.st_size > 0) {
191 buf = map_file(fd,st.st_size);
197 rprintf(FINFO,"send_files mapped %s of size %.0f\n",
198 fname,(double)st.st_size);
203 write_batch_delta_file((char *)&i,sizeof(i));
205 write_int(f_out,s->count);
206 write_int(f_out,s->n);
207 write_int(f_out,s->remainder);
212 rprintf(FINFO,"calling match_sums %s\n",fname);
215 log_transfer(file, fname+offset);
218 set_compression(fname);
220 if (read_batch) { /* dw */
221 /* read checksums originally computed on sender side */
222 read_batch_csum_info(i, s, &checksums_match);
223 if (checksums_match) {
224 read_batch_delta_file( (char *) &j, sizeof(int) );
225 if (j != i) { /* if flist index entries don't match*/
226 rprintf(FINFO,"index mismatch in send_files\n");
227 rprintf(FINFO,"read index = %d flist ndx = %d\n",j,i);
228 close_batch_delta_file();
229 close_batch_csums_file();
234 write_int(f_out,s->count);
235 write_int(f_out,s->n);
236 write_int(f_out,s->remainder);
239 read_batch_delta_file( (char *) &buff_len, sizeof(int) );
240 write_int(f_out,buff_len);
246 read_batch_delta_file(buff, buff_len);
247 write_buf(f_out,buff,buff_len);
251 read_batch_delta_file( buff, MD4_SUM_LENGTH);
252 write_buf(f_out, buff, MD4_SUM_LENGTH);
255 } else { /* not checksum match */
256 rprintf (FINFO,"readbatch & checksums don't match\n");
257 rprintf (FINFO,"filename=%s is being skipped\n",
262 match_sums(f_out,s,buf,st.st_size);
263 log_send(file, &initial_stats);
266 if (!read_batch) { /* dw */
267 if (buf) unmap_file(buf);
274 rprintf(FINFO,"sender finished %s\n",fname);
278 rprintf(FINFO,"send files finished\n");
283 if (write_batch || read_batch) { /* dw */
284 close_batch_csums_file();
285 close_batch_delta_file();