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2f03f956 AT |
1 | /* |
2 | Copyright (C) Andrew Tridgell 1996 | |
3 | Copyright (C) Paul Mackerras 1996 | |
4 | ||
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. | |
9 | ||
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. | |
14 | ||
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. | |
18 | */ | |
19 | ||
20 | #include "rsync.h" | |
21 | ||
22 | extern int verbose; | |
23 | extern int remote_version; | |
24 | extern int csum_length; | |
25 | extern struct stats stats; | |
26 | extern int io_error; | |
27 | extern int dry_run; | |
28 | extern int am_server; | |
29 | ||
30 | ||
31 | /* | |
32 | receive the checksums for a buffer | |
33 | */ | |
34 | static struct sum_struct *receive_sums(int f) | |
35 | { | |
36 | struct sum_struct *s; | |
37 | int i; | |
38 | OFF_T offset = 0; | |
39 | ||
40 | s = (struct sum_struct *)malloc(sizeof(*s)); | |
41 | if (!s) out_of_memory("receive_sums"); | |
42 | ||
43 | s->count = read_int(f); | |
44 | s->n = read_int(f); | |
45 | s->remainder = read_int(f); | |
46 | s->sums = NULL; | |
47 | ||
48 | if (verbose > 3) | |
49 | rprintf(FINFO,"count=%d n=%d rem=%d\n", | |
50 | s->count,s->n,s->remainder); | |
51 | ||
52 | if (s->count == 0) | |
53 | return(s); | |
54 | ||
55 | s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count); | |
56 | if (!s->sums) out_of_memory("receive_sums"); | |
57 | ||
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); | |
61 | ||
62 | s->sums[i].offset = offset; | |
63 | s->sums[i].i = i; | |
64 | ||
65 | if (i == s->count-1 && s->remainder != 0) { | |
66 | s->sums[i].len = s->remainder; | |
67 | } else { | |
68 | s->sums[i].len = s->n; | |
69 | } | |
70 | offset += s->sums[i].len; | |
71 | ||
72 | if (verbose > 3) | |
73 | rprintf(FINFO,"chunk[%d] len=%d offset=%d sum1=%08x\n", | |
74 | i,s->sums[i].len,(int)s->sums[i].offset,s->sums[i].sum1); | |
75 | } | |
76 | ||
77 | s->flength = offset; | |
78 | ||
79 | return s; | |
80 | } | |
81 | ||
82 | ||
83 | ||
84 | void send_files(struct file_list *flist,int f_out,int f_in) | |
85 | { | |
86 | int fd; | |
87 | struct sum_struct *s; | |
88 | struct map_struct *buf; | |
89 | STRUCT_STAT st; | |
90 | char fname[MAXPATHLEN]; | |
91 | int i; | |
92 | struct file_struct *file; | |
93 | int phase = 0; | |
1b7c47cb AT |
94 | extern struct stats stats; |
95 | struct stats initial_stats; | |
2f03f956 AT |
96 | |
97 | if (verbose > 2) | |
98 | rprintf(FINFO,"send_files starting\n"); | |
99 | ||
100 | setup_readbuffer(f_in); | |
101 | ||
102 | while (1) { | |
103 | int offset=0; | |
104 | ||
105 | i = read_int(f_in); | |
106 | if (i == -1) { | |
107 | if (phase==0 && remote_version >= 13) { | |
108 | phase++; | |
109 | csum_length = SUM_LENGTH; | |
110 | write_int(f_out,-1); | |
111 | if (verbose > 2) | |
112 | rprintf(FINFO,"send_files phase=%d\n",phase); | |
113 | continue; | |
114 | } | |
115 | break; | |
116 | } | |
117 | ||
118 | if (i < 0 || i >= flist->count) { | |
119 | rprintf(FERROR,"Invalid file index %d (count=%d)\n", | |
120 | i, flist->count); | |
65417579 | 121 | exit_cleanup(RERR_PROTOCOL); |
2f03f956 AT |
122 | } |
123 | ||
124 | file = flist->files[i]; | |
125 | ||
126 | stats.num_transferred_files++; | |
127 | stats.total_transferred_size += file->length; | |
128 | ||
129 | fname[0] = 0; | |
130 | if (file->basedir) { | |
37f9805d | 131 | strlcpy(fname,file->basedir,MAXPATHLEN); |
2f03f956 AT |
132 | if (strlen(fname) == MAXPATHLEN-1) { |
133 | io_error = 1; | |
134 | rprintf(FERROR, "send_files failed on long-named directory %s\n", | |
135 | fname); | |
136 | return; | |
137 | } | |
37f9805d | 138 | strlcat(fname,"/",MAXPATHLEN); |
2f03f956 AT |
139 | offset = strlen(file->basedir)+1; |
140 | } | |
37f9805d | 141 | strlcat(fname,f_name(file),MAXPATHLEN); |
2f03f956 AT |
142 | |
143 | if (verbose > 2) | |
144 | rprintf(FINFO,"send_files(%d,%s)\n",i,fname); | |
145 | ||
146 | if (dry_run) { | |
11a5a3c7 AT |
147 | if (!am_server) { |
148 | log_transfer(file, fname+offset); | |
149 | } | |
2f03f956 AT |
150 | write_int(f_out,i); |
151 | continue; | |
152 | } | |
153 | ||
1b7c47cb AT |
154 | initial_stats = stats; |
155 | ||
2f03f956 AT |
156 | s = receive_sums(f_in); |
157 | if (!s) { | |
158 | io_error = 1; | |
159 | rprintf(FERROR,"receive_sums failed\n"); | |
160 | return; | |
161 | } | |
162 | ||
163 | fd = open(fname,O_RDONLY); | |
164 | if (fd == -1) { | |
165 | io_error = 1; | |
166 | rprintf(FERROR,"send_files failed to open %s: %s\n", | |
167 | fname,strerror(errno)); | |
168 | free_sums(s); | |
169 | continue; | |
170 | } | |
171 | ||
172 | /* map the local file */ | |
173 | if (do_fstat(fd,&st) != 0) { | |
174 | io_error = 1; | |
175 | rprintf(FERROR,"fstat failed : %s\n",strerror(errno)); | |
176 | free_sums(s); | |
177 | close(fd); | |
178 | return; | |
179 | } | |
180 | ||
181 | if (st.st_size > 0) { | |
182 | buf = map_file(fd,st.st_size); | |
183 | } else { | |
184 | buf = NULL; | |
185 | } | |
186 | ||
187 | if (verbose > 2) | |
188 | rprintf(FINFO,"send_files mapped %s of size %d\n", | |
189 | fname,(int)st.st_size); | |
11a5a3c7 | 190 | |
2f03f956 AT |
191 | write_int(f_out,i); |
192 | ||
193 | write_int(f_out,s->count); | |
194 | write_int(f_out,s->n); | |
195 | write_int(f_out,s->remainder); | |
196 | ||
197 | if (verbose > 2) | |
198 | rprintf(FINFO,"calling match_sums %s\n",fname); | |
199 | ||
11a5a3c7 AT |
200 | if (!am_server) { |
201 | log_transfer(file, fname+offset); | |
202 | } | |
83fff1aa AT |
203 | |
204 | set_compression(fname); | |
2f03f956 AT |
205 | |
206 | match_sums(f_out,s,buf,st.st_size); | |
1b7c47cb AT |
207 | |
208 | log_send(file, &initial_stats); | |
209 | ||
2f03f956 AT |
210 | if (buf) unmap_file(buf); |
211 | close(fd); | |
212 | ||
213 | free_sums(s); | |
214 | ||
215 | if (verbose > 2) | |
216 | rprintf(FINFO,"sender finished %s\n",fname); | |
217 | } | |
218 | ||
219 | if (verbose > 2) | |
220 | rprintf(FINFO,"send files finished\n"); | |
221 | ||
222 | match_report(); | |
223 | ||
224 | write_int(f_out,-1); | |
225 | } | |
226 | ||
227 | ||
228 | ||
229 | ||
230 |