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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; | |
94 | ||
95 | if (verbose > 2) | |
96 | rprintf(FINFO,"send_files starting\n"); | |
97 | ||
98 | setup_readbuffer(f_in); | |
99 | ||
100 | while (1) { | |
101 | int offset=0; | |
102 | ||
103 | i = read_int(f_in); | |
104 | if (i == -1) { | |
105 | if (phase==0 && remote_version >= 13) { | |
106 | phase++; | |
107 | csum_length = SUM_LENGTH; | |
108 | write_int(f_out,-1); | |
109 | if (verbose > 2) | |
110 | rprintf(FINFO,"send_files phase=%d\n",phase); | |
111 | continue; | |
112 | } | |
113 | break; | |
114 | } | |
115 | ||
116 | if (i < 0 || i >= flist->count) { | |
117 | rprintf(FERROR,"Invalid file index %d (count=%d)\n", | |
118 | i, flist->count); | |
119 | exit_cleanup(1); | |
120 | } | |
121 | ||
122 | file = flist->files[i]; | |
123 | ||
124 | stats.num_transferred_files++; | |
125 | stats.total_transferred_size += file->length; | |
126 | ||
127 | fname[0] = 0; | |
128 | if (file->basedir) { | |
129 | strlcpy(fname,file->basedir,MAXPATHLEN-1); | |
130 | if (strlen(fname) == MAXPATHLEN-1) { | |
131 | io_error = 1; | |
132 | rprintf(FERROR, "send_files failed on long-named directory %s\n", | |
133 | fname); | |
134 | return; | |
135 | } | |
136 | strlcat(fname,"/",MAXPATHLEN-1); | |
137 | offset = strlen(file->basedir)+1; | |
138 | } | |
139 | strlcat(fname,f_name(file),MAXPATHLEN-strlen(fname)); | |
11a5a3c7 | 140 | clean_fname(fname); |
2f03f956 AT |
141 | |
142 | if (verbose > 2) | |
143 | rprintf(FINFO,"send_files(%d,%s)\n",i,fname); | |
144 | ||
145 | if (dry_run) { | |
11a5a3c7 AT |
146 | if (!am_server) { |
147 | log_transfer(file, fname+offset); | |
148 | } | |
2f03f956 AT |
149 | write_int(f_out,i); |
150 | continue; | |
151 | } | |
152 | ||
153 | s = receive_sums(f_in); | |
154 | if (!s) { | |
155 | io_error = 1; | |
156 | rprintf(FERROR,"receive_sums failed\n"); | |
157 | return; | |
158 | } | |
159 | ||
160 | fd = open(fname,O_RDONLY); | |
161 | if (fd == -1) { | |
162 | io_error = 1; | |
163 | rprintf(FERROR,"send_files failed to open %s: %s\n", | |
164 | fname,strerror(errno)); | |
165 | free_sums(s); | |
166 | continue; | |
167 | } | |
168 | ||
169 | /* map the local file */ | |
170 | if (do_fstat(fd,&st) != 0) { | |
171 | io_error = 1; | |
172 | rprintf(FERROR,"fstat failed : %s\n",strerror(errno)); | |
173 | free_sums(s); | |
174 | close(fd); | |
175 | return; | |
176 | } | |
177 | ||
178 | if (st.st_size > 0) { | |
179 | buf = map_file(fd,st.st_size); | |
180 | } else { | |
181 | buf = NULL; | |
182 | } | |
183 | ||
184 | if (verbose > 2) | |
185 | rprintf(FINFO,"send_files mapped %s of size %d\n", | |
186 | fname,(int)st.st_size); | |
11a5a3c7 AT |
187 | |
188 | log_send(file); | |
2f03f956 AT |
189 | |
190 | write_int(f_out,i); | |
191 | ||
192 | write_int(f_out,s->count); | |
193 | write_int(f_out,s->n); | |
194 | write_int(f_out,s->remainder); | |
195 | ||
196 | if (verbose > 2) | |
197 | rprintf(FINFO,"calling match_sums %s\n",fname); | |
198 | ||
11a5a3c7 AT |
199 | if (!am_server) { |
200 | log_transfer(file, fname+offset); | |
201 | } | |
2f03f956 AT |
202 | |
203 | match_sums(f_out,s,buf,st.st_size); | |
204 | ||
205 | if (buf) unmap_file(buf); | |
206 | close(fd); | |
207 | ||
208 | free_sums(s); | |
209 | ||
210 | if (verbose > 2) | |
211 | rprintf(FINFO,"sender finished %s\n",fname); | |
212 | } | |
213 | ||
214 | if (verbose > 2) | |
215 | rprintf(FINFO,"send files finished\n"); | |
216 | ||
217 | match_report(); | |
218 | ||
219 | write_int(f_out,-1); | |
220 | } | |
221 | ||
222 | ||
223 | ||
224 | ||
225 |