13 #include <winsock2.h>
\r
14 #include <ws2tcpip.h>
\r
15 #include <windows.h>
\r
17 #include <sys/socket.h>
\r
18 #include <netinet/in.h>
\r
19 #include <arpa/inet.h>
\r
20 #include <sys/types.h>
\r
24 #include <ext4_filedev.h>
\r
29 static int winsock_init(void);
\r
30 static void winsock_fini(void);
\r
31 static char* entry_to_str(uint8_t type);
\r
33 #define MAX_FILES 64
\r
36 #define MAX_RW_BUFFER (1024 * 1024)
\r
37 #define RW_BUFFER_PATERN ('x')
\r
40 /**@brief Default connection port*/
\r
41 static int connection_port = 1234;
\r
43 /**@brief Default filesystem filename.*/
\r
44 static char *ext4_fname = "ext2";
\r
46 /**@brief Verbose mode*/
\r
47 static int verbose = 0;
\r
49 /**@brief Winpart mode*/
\r
50 static int winpart = 0;
\r
52 /**@brief Blockdev handle*/
\r
53 static struct ext4_blockdev *bd;
\r
55 static int cache_wb = 0;
\r
57 static char read_buffer[MAX_RW_BUFFER];
\r
58 static char write_buffer[MAX_RW_BUFFER];
\r
61 static const char *usage = " \n\
\r
62 Welcome in lwext4_server. \n\
\r
63 Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com) \n\
\r
65 --image (-i) - ext2/3/4 image file \n\
\r
66 --port (-p) - server port \n\
\r
67 --verbose (-v) - verbose mode \n\
\r
68 --winpart (-w) - windows_partition mode \n\
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69 --cache_wb (-c) - cache writeback_mode \n\
\r
74 /**@brief Open file instance descriptor.*/
\r
75 struct lwext4_files {
\r
80 /**@brief Open directory instance descriptor.*/
\r
81 struct lwext4_dirs {
\r
86 /**@brief Library call opcode.*/
\r
87 struct lwext4_op_codes {
\r
91 /**@brief Library call wraper.*/
\r
92 struct lwext4_call {
\r
93 int (*lwext4_call)(char *p);
\r
97 static struct lwext4_files file_tab[MAX_FILES];
\r
100 static struct lwext4_dirs dir_tab[MAX_DIRS];
\r
103 static struct lwext4_op_codes op_codes[] = {
\r
107 "mount_point_stats",
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108 "cache_write_back",
\r
133 int _device_register(char *p);
\r
134 int _mount(char *p);
\r
135 int _umount(char *p);
\r
136 int _mount_point_stats(char *p);
\r
137 int _cache_write_back(char *p);
\r
138 int _fremove(char *p);
\r
139 int _fopen(char *p);
\r
140 int _fclose(char *p);
\r
141 int _fread(char *p);
\r
142 int _fwrite(char *p);
\r
143 int _fseek(char *p);
\r
144 int _ftell(char *p);
\r
145 int _fsize(char *p);
\r
146 int _dir_rm(char *p);
\r
147 int _dir_mk(char *p);
\r
148 int _dir_open(char *p);
\r
149 int _dir_close(char *p);
\r
150 int _dir_close(char *p);
\r
151 int _dir_entry_get(char *p);
\r
153 int _multi_fcreate(char *p);
\r
154 int _multi_fwrite(char *p);
\r
155 int _multi_fread(char *p);
\r
156 int _multi_fremove(char *p);
\r
157 int _multi_dcreate(char *p);
\r
158 int _multi_dremove(char *p);
\r
159 int _stats_save(char *p);
\r
160 int _stats_check(char *p);
\r
163 static struct lwext4_call op_call[] = {
\r
164 _device_register, /*PARAMS(3): 0 cache_mode dev_name */
\r
165 _mount, /*PARAMS(2): dev_name mount_point */
\r
166 _umount, /*PARAMS(1): mount_point */
\r
167 _mount_point_stats,/*PARAMS(2): mount_point, 0 */
\r
168 _cache_write_back, /*PARAMS(2): mount_point, en */
\r
169 _fremove, /*PARAMS(1): path */
\r
170 _fopen, /*PARAMS(2): fid path flags */
\r
171 _fclose, /*PARAMS(1): fid */
\r
172 _fread, /*PARAMS(4): fid 0 len 0 */
\r
173 _fwrite, /*PARAMS(4): fid 0 len 0 */
\r
174 _fseek, /*PARAMS(2): fid off origin */
\r
175 _ftell, /*PARAMS(2): fid exp */
\r
176 _fsize, /*PARAMS(2): fid exp */
\r
177 _dir_rm, /*PARAMS(1): path */
\r
178 _dir_mk, /*PARAMS(1): path */
\r
179 _dir_open, /*PARAMS(2): did, path */
\r
180 _dir_close, /*PARAMS(1): did */
\r
181 _dir_entry_get, /*PARAMS(2): did, exp */
\r
183 _multi_fcreate, /*PARAMS(3): path prefix cnt */
\r
184 _multi_fwrite, /*PARAMS(4): path prefix cnt size */
\r
185 _multi_fread, /*PARAMS(4): path prefix cnt size */
\r
186 _multi_fremove, /*PARAMS(2): path prefix cnt */
\r
187 _multi_dcreate, /*PARAMS(3): path prefix cnt */
\r
188 _multi_dremove, /*PARAMS(2): path prefix */
\r
189 _stats_save, /*PARAMS(1): path */
\r
190 _stats_check, /*PARAMS(1): path */
\r
193 static clock_t get_ms(void)
\r
196 gettimeofday(&t, NULL);
\r
197 return (t.tv_sec * 1000) + (t.tv_usec / 1000);
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201 static int exec_op_code(char *opcode)
\r
206 for (i = 0; i < sizeof(op_codes) / sizeof(op_codes[0]); ++i) {
\r
208 if(strncmp(op_codes[i].func, opcode, strlen(op_codes[i].func)))
\r
211 if(opcode[strlen(op_codes[i].func)] != ' ')
\r
214 printf("%s\n", opcode);
\r
215 opcode += strlen(op_codes[i].func);
\r
218 clock_t t = get_ms();
\r
219 r = op_call[i].lwext4_call(opcode);
\r
221 printf("rc: %d, time: %ums\n", r, (unsigned int)(get_ms() - t));
\r
230 static int server_open(void)
\r
233 struct sockaddr_in serv_addr;
\r
235 memset(&serv_addr, 0, sizeof(serv_addr));
\r
237 if(winsock_init() < 0) {
\r
238 printf("winsock_init() error\n");
\r
242 fd = socket(AF_INET, SOCK_STREAM, 0);
\r
244 printf("socket() error: %s\n", strerror(errno));
\r
249 if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void *)&yes, sizeof(int))) {
\r
250 printf("setsockopt() error: %s\n", strerror(errno));
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254 serv_addr.sin_family = AF_INET;
\r
255 serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
\r
256 serv_addr.sin_port = htons(connection_port);
\r
258 if(bind(fd, (struct sockaddr*)&serv_addr, sizeof(serv_addr))){
\r
259 printf("bind() error: %s\n", strerror(errno));
\r
264 printf("listen() error: %s\n", strerror(errno));
\r
271 static bool parse_opt(int argc, char **argv)
\r
273 int option_index = 0;
\r
276 static struct option long_options[] = {
\r
277 {"image", required_argument, 0, 'i'},
\r
278 {"port", required_argument, 0, 'p'},
\r
279 {"verbose", required_argument, 0, 'v'},
\r
280 {"winpart", required_argument, 0, 'w'},
\r
281 {"cache_wb",required_argument, 0, 'c'},
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285 while(-1 != (c = getopt_long (argc, argv, "i:p:v:w:c:", long_options, &option_index))) {
\r
289 ext4_fname = optarg;
\r
292 connection_port = atoi(optarg);
\r
295 verbose = atoi(optarg);
\r
298 cache_wb = atoi(optarg);
\r
301 printf("%s", usage);
\r
309 int main(int argc, char *argv[])
\r
316 if(!parse_opt(argc, argv))
\r
319 listenfd = server_open();
\r
321 printf("lwext4_server: listening on port: %d\n", connection_port);
\r
323 memset(write_buffer, RW_BUFFER_PATERN, MAX_RW_BUFFER);
\r
326 connfd = accept(listenfd, (struct sockaddr*)NULL, NULL);
\r
328 n = recv(connfd, op_code, sizeof(op_code), 0);
\r
331 printf("recv() error: %s fd = %d\n", strerror(errno), connfd);
\r
337 int r = exec_op_code(op_code);
\r
339 n = send(connfd, (void *)&r, sizeof(r), 0);
\r
341 printf("send() error: %s fd = %d\n", strerror(errno), connfd);
\r
353 int _device_register(char *p)
\r
359 if(sscanf(p, "%d %d %s", &dev, &cache_mode, dev_name) != 3){
\r
360 printf("Param list error\n");
\r
366 ext4_io_raw_filename(ext4_fname);
\r
367 bd = ext4_io_raw_dev_get();
\r
373 ext4_filedev_filename(ext4_fname);
\r
374 bd = ext4_filedev_get();
\r
376 return ext4_device_register(bd, 0, dev_name);
\r
379 int _mount(char *p)
\r
382 char mount_point[32];
\r
385 if(sscanf(p, "%s %s", dev_name, mount_point) != 2){
\r
386 printf("Param list error\n");
\r
390 rc = ext4_mount(dev_name, mount_point);
\r
392 ext4_cache_write_back(mount_point, 1);
\r
396 int _umount(char *p)
\r
398 char mount_point[32];
\r
400 if(sscanf(p, "%s", mount_point) != 1){
\r
401 printf("Param list error\n");
\r
406 ext4_cache_write_back(mount_point, 0);
\r
408 return ext4_umount(mount_point);
\r
411 int _mount_point_stats(char *p)
\r
413 char mount_point[32];
\r
416 struct ext4_mount_stats stats;
\r
418 if(sscanf(p, "%s %d", mount_point, &d) != 2){
\r
419 printf("Param list error\n");
\r
423 rc = ext4_mount_point_stats(mount_point, &stats);
\r
429 printf("\tinodes_count = %d\n", stats.inodes_count);
\r
430 printf("\tfree_inodes_count = %d\n", stats.free_inodes_count);
\r
431 printf("\tblocks_count = %llu\n", stats.blocks_count);
\r
432 printf("\tfree_blocks_count = %llu\n", stats.free_blocks_count);
\r
434 printf("\tblock_size = %d\n", stats.block_size);
\r
435 printf("\tblock_group_count = %d\n", stats.block_group_count);
\r
436 printf("\tblocks_per_group = %d\n", stats.blocks_per_group);
\r
437 printf("\tinodes_per_group = %d\n", stats.inodes_per_group);
\r
439 printf("\tvolume_name = %s\n", stats.volume_name);
\r
445 int _cache_write_back(char *p)
\r
447 char mount_point[32];
\r
450 if(sscanf(p, "%s %d", mount_point, &en) != 2){
\r
451 printf("Param list error\n");
\r
455 return ext4_cache_write_back(mount_point, en);
\r
459 int _fremove(char *p)
\r
463 if(sscanf(p, "%s", path) != 1){
\r
464 printf("Param list error\n");
\r
468 return ext4_fremove(path);
\r
471 int _fopen(char *p)
\r
473 int fid = MAX_FILES;
\r
478 if(sscanf(p, "%d %s %s", &fid, path, flags) != 3){
\r
479 printf("Param list error\n");
\r
483 if(!(fid < MAX_FILES)){
\r
484 printf("File id too big\n");
\r
488 rc = ext4_fopen(&file_tab[fid].fd, path, flags);
\r
491 strcpy(file_tab[fid].name, path);
\r
496 int _fclose(char *p)
\r
498 int fid = MAX_FILES;
\r
501 if(sscanf(p, "%d", &fid) != 1){
\r
502 printf("Param list error\n");
\r
506 if(!(fid < MAX_FILES)){
\r
507 printf("File id too big\n");
\r
511 if(file_tab[fid].name[0] == 0){
\r
512 printf("File id empty\n");
\r
516 rc = ext4_fclose(&file_tab[fid].fd);
\r
519 file_tab[fid].name[0] = 0;
\r
524 int _fread(char *p)
\r
526 int fid = MAX_FILES;
\r
532 if(sscanf(p, "%d %d %d %d", &fid, &d, &len, &d) != 4){
\r
533 printf("Param list error\n");
\r
537 if(!(fid < MAX_FILES)){
\r
538 printf("File id too big\n");
\r
542 if(file_tab[fid].name[0] == 0){
\r
543 printf("File id empty\n");
\r
548 d = len > MAX_RW_BUFFER ? MAX_RW_BUFFER : len;
\r
550 memset(read_buffer, 0, MAX_RW_BUFFER);
\r
551 rc = ext4_fread(&file_tab[fid].fd, read_buffer, d, &rb);
\r
557 printf("Read count error\n");
\r
561 if(memcmp(read_buffer, write_buffer, d)){
\r
562 printf("Read compare error\n");
\r
572 int _fwrite(char *p)
\r
574 int fid = MAX_FILES;
\r
580 if(sscanf(p, "%d %d %d %d", &fid, &d, &len, &d) != 4){
\r
581 printf("Param list error\n");
\r
585 if(!(fid < MAX_FILES)){
\r
586 printf("File id too big\n");
\r
590 if(file_tab[fid].name[0] == 0){
\r
591 printf("File id empty\n");
\r
596 d = len > MAX_RW_BUFFER ? MAX_RW_BUFFER : len;
\r
597 rc = ext4_fwrite(&file_tab[fid].fd, write_buffer, d, &wb);
\r
603 printf("Write count error\n");
\r
613 int _fseek(char *p)
\r
615 int fid = MAX_FILES;
\r
619 if(sscanf(p, "%d %d %d", &fid, &off, &origin) != 3){
\r
620 printf("Param list error\n");
\r
624 if(!(fid < MAX_FILES)){
\r
625 printf("File id too big\n");
\r
629 if(file_tab[fid].name[0] == 0){
\r
630 printf("File id empty\n");
\r
634 return ext4_fseek(&file_tab[fid].fd, off, origin);
\r
637 int _ftell(char *p)
\r
639 int fid = MAX_FILES;
\r
642 if(sscanf(p, "%d %u", &fid, &exp_pos) != 2){
\r
643 printf("Param list error\n");
\r
647 if(!(fid < MAX_FILES)){
\r
648 printf("File id too big\n");
\r
652 if(file_tab[fid].name[0] == 0){
\r
653 printf("File id empty\n");
\r
658 if(exp_pos != ext4_ftell(&file_tab[fid].fd)){
\r
659 printf("Expected filepos error\n");
\r
666 int _fsize(char *p)
\r
668 int fid = MAX_FILES;
\r
671 if(sscanf(p, "%d %u", &fid, &exp_size) != 2){
\r
672 printf("Param list error\n");
\r
676 if(!(fid < MAX_FILES)){
\r
677 printf("File id too big\n");
\r
681 if(file_tab[fid].name[0] == 0){
\r
682 printf("File id empty\n");
\r
686 if(exp_size != ext4_fsize(&file_tab[fid].fd)){
\r
687 printf("Expected filesize error\n");
\r
694 int _dir_rm(char *p)
\r
698 if(sscanf(p, "%s", path) != 1){
\r
699 printf("Param list error\n");
\r
703 return ext4_dir_rm(path);
\r
706 int _dir_mk(char *p)
\r
710 if(sscanf(p, "%s", path) != 1){
\r
711 printf("Param list error\n");
\r
715 return ext4_dir_mk(path);
\r
718 int _dir_open(char *p)
\r
720 int did = MAX_DIRS;
\r
724 if(sscanf(p, "%d %s", &did, path) != 2){
\r
725 printf("Param list error\n");
\r
729 if(!(did < MAX_DIRS)){
\r
730 printf("Dir id too big\n");
\r
734 rc = ext4_dir_open(&dir_tab[did].fd, path);
\r
737 strcpy(dir_tab[did].name, path);
\r
742 int _dir_close(char *p)
\r
744 int did = MAX_DIRS;
\r
747 if(sscanf(p, "%d", &did) != 1){
\r
748 printf("Param list error\n");
\r
752 if(!(did < MAX_DIRS)){
\r
753 printf("Dir id too big\n");
\r
757 if(dir_tab[did].name[0] == 0){
\r
758 printf("Dir id empty\n");
\r
762 rc = ext4_dir_close(&dir_tab[did].fd);
\r
765 dir_tab[did].name[0] = 0;
\r
770 int _dir_entry_get(char *p)
\r
772 int did = MAX_DIRS;
\r
776 if(sscanf(p, "%d %d", &did, &exp) != 2){
\r
777 printf("Param list error\n");
\r
781 if(!(did < MAX_DIRS)){
\r
782 printf("Dir id too big\n");
\r
786 if(dir_tab[did].name[0] == 0){
\r
787 printf("Dir id empty\n");
\r
795 while(d = ext4_dir_entry_get(&dir_tab[did].fd, idx++)){
\r
797 memcpy(name, d->name, d->name_length);
\r
798 name[d->name_length] = 0;
\r
800 printf("\t%s %s\n", entry_to_str(d->inode_type), name);
\r
807 printf("Minumum dir entry error\n");
\r
811 if((idx - 2) != exp){
\r
812 printf("Expected dir entry error\n");
\r
819 int _multi_fcreate(char *p)
\r
829 if(sscanf(p, "%s %s %d", path, prefix, &cnt) != 3){
\r
830 printf("Param list error\n");
\r
834 for (i = 0; i < cnt; ++i) {
\r
835 sprintf(path1, "%s%s%d", path, prefix, i);
\r
836 rc = ext4_fopen(&fd, path1, "wb+");
\r
845 int _multi_fwrite(char *p)
\r
856 if(sscanf(p, "%s %s %d %d", path, prefix, &cnt, &ll) != 4){
\r
857 printf("Param list error\n");
\r
861 for (i = 0; i < cnt; ++i) {
\r
862 sprintf(path1, "%s%s%d", path, prefix, i);
\r
863 rc = ext4_fopen(&fd, path1, "rb+");
\r
870 d = len > MAX_RW_BUFFER ? MAX_RW_BUFFER : len;
\r
871 rc = ext4_fwrite(&fd, write_buffer, d, &wb);
\r
877 printf("Write count error\n");
\r
888 int _multi_fread(char *p)
\r
899 if(sscanf(p, "%s %s %d %d", path, prefix, &cnt, &ll) != 4){
\r
900 printf("Param list error\n");
\r
904 for (i = 0; i < cnt; ++i) {
\r
905 sprintf(path1, "%s%s%d", path, prefix, i);
\r
906 rc = ext4_fopen(&fd, path1, "rb+");
\r
913 d = len > MAX_RW_BUFFER ? MAX_RW_BUFFER : len;
\r
915 memset(read_buffer, 0, MAX_RW_BUFFER);
\r
916 rc = ext4_fread(&fd, read_buffer, d, &rb);
\r
922 printf("Read count error\n");
\r
926 if(memcmp(read_buffer, write_buffer, d)){
\r
927 printf("Read compare error\n");
\r
938 int _multi_fremove(char *p)
\r
945 if(sscanf(p, "%s %s %d", path, prefix, &cnt) != 3){
\r
946 printf("Param list error\n");
\r
950 for (i = 0; i < cnt; ++i) {
\r
951 sprintf(path1, "%s%s%d", path, prefix, i);
\r
952 rc = ext4_fremove(path1);
\r
960 int _multi_dcreate(char *p)
\r
967 if(sscanf(p, "%s %s %d", path, prefix, &cnt) != 3){
\r
968 printf("Param list error\n");
\r
972 for (i = 0; i < cnt; ++i) {
\r
973 sprintf(path1, "%s%s%d", path, prefix, i);
\r
974 rc = ext4_dir_mk(path1);
\r
982 int _multi_dremove(char *p)
\r
989 if(sscanf(p, "%s %s %d", path, prefix, &cnt) != 3){
\r
990 printf("Param list error\n");
\r
994 for (i = 0; i < cnt; ++i) {
\r
995 sprintf(path1, "%s%s%d", path, prefix, i);
\r
996 rc = ext4_dir_rm(path1);
\r
1004 struct ext4_mount_stats saved_stats;
\r
1006 int _stats_save(char *p)
\r
1010 if(sscanf(p, "%s", path) != 1){
\r
1011 printf("Param list error\n");
\r
1015 return ext4_mount_point_stats(path, &saved_stats);
\r
1018 int _stats_check(char *p)
\r
1023 struct ext4_mount_stats actual_stats;
\r
1025 if(sscanf(p, "%s", path) != 1){
\r
1026 printf("Param list error\n");
\r
1030 rc = ext4_mount_point_stats(path, &actual_stats);
\r
1035 if(memcmp(&saved_stats, &actual_stats, sizeof(struct ext4_mount_stats))){
\r
1037 printf("\tMount point stats error:\n");
\r
1038 printf("\tsaved_stats:\n");
\r
1039 printf("\tinodes_count = %d\n", saved_stats.inodes_count);
\r
1040 printf("\tfree_inodes_count = %d\n", saved_stats.free_inodes_count);
\r
1041 printf("\tblocks_count = %llu\n", saved_stats.blocks_count);
\r
1042 printf("\tfree_blocks_count = %llu\n", saved_stats.free_blocks_count);
\r
1043 printf("\tblock_size = %d\n", saved_stats.block_size);
\r
1044 printf("\tblock_group_count = %d\n", saved_stats.block_group_count);
\r
1045 printf("\tblocks_per_group = %d\n", saved_stats.blocks_per_group);
\r
1046 printf("\tinodes_per_group = %d\n", saved_stats.inodes_per_group);
\r
1047 printf("\tvolume_name = %s\n", saved_stats.volume_name);
\r
1048 printf("\tactual_stats:\n");
\r
1049 printf("\tinodes_count = %d\n", actual_stats.inodes_count);
\r
1050 printf("\tfree_inodes_count = %d\n", actual_stats.free_inodes_count);
\r
1051 printf("\tblocks_count = %llu\n", actual_stats.blocks_count);
\r
1052 printf("\tfree_blocks_count = %llu\n", actual_stats.free_blocks_count);
\r
1053 printf("\tblock_size = %d\n", actual_stats.block_size);
\r
1054 printf("\tblock_group_count = %d\n", actual_stats.block_group_count);
\r
1055 printf("\tblocks_per_group = %d\n", actual_stats.blocks_per_group);
\r
1056 printf("\tinodes_per_group = %d\n", actual_stats.inodes_per_group);
\r
1057 printf("\tvolume_name = %s\n", actual_stats.volume_name);
\r
1067 static char* entry_to_str(uint8_t type)
\r
1070 case EXT4_DIRENTRY_UNKNOWN:
\r
1072 case EXT4_DIRENTRY_REG_FILE:
\r
1074 case EXT4_DIRENTRY_DIR:
\r
1076 case EXT4_DIRENTRY_CHRDEV:
\r
1078 case EXT4_DIRENTRY_BLKDEV:
\r
1080 case EXT4_DIRENTRY_FIFO:
\r
1082 case EXT4_DIRENTRY_SOCK:
\r
1084 case EXT4_DIRENTRY_SYMLINK:
\r
1092 static int winsock_init(void)
\r
1096 static WSADATA wsaData;
\r
1097 rc = WSAStartup(MAKEWORD(2,2), &wsaData);
\r
1105 static void winsock_fini(void)
\r