13 #include <windows.h>
\r
14 #include <winsock2.h>
\r
16 #include <sys/socket.h>
\r
17 #include <netinet/in.h>
\r
18 #include <arpa/inet.h>
\r
19 #include <sys/types.h>
\r
23 #include <ext4_filedev.h>
\r
28 static int winsock_init(void);
\r
29 static void winsock_fini(void);
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30 static char* entry_to_str(uint8_t type);
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32 #define MAX_FILES 64
\r
35 #define MAX_RW_BUFFER (1024 * 1024)
\r
36 #define RW_BUFFER_PATERN ('x')
\r
39 /**@brief Default connection port*/
\r
40 static int connection_port = 1234;
\r
42 /**@brief Default filesystem filename.*/
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43 static char *ext4_fname = "ext2";
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45 /**@brief Verbose mode*/
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46 static int verbose = 0;
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48 static char read_buffer[MAX_RW_BUFFER];
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49 static char write_buffer[MAX_RW_BUFFER];
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52 static const char *usage = " \n\
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53 Welcome in lwext4_server. \n\
\r
54 Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com) \n\
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56 --image (-i) - ext2/3/4 image file \n\
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57 --port (-p) - server port \n\
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58 --verbose (-v) - verbose mode \n\
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63 /**@brief Open file instance descriptor.*/
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64 struct lwext4_files {
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69 /**@brief Open directory instance descriptor.*/
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70 struct lwext4_dirs {
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75 /**@brief Library call opcode.*/
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76 struct lwext4_op_codes {
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80 /**@brief Library call wraper.*/
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81 struct lwext4_call {
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82 int (*lwext4_call)(char *p);
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86 static struct lwext4_files file_tab[MAX_FILES];
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89 static struct lwext4_dirs dir_tab[MAX_DIRS];
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92 static struct lwext4_op_codes op_codes[] = {
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96 "mount_point_stats",
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122 int _device_register(char *p);
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123 int _mount(char *p);
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124 int _umount(char *p);
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125 int _mount_point_stats(char *p);
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126 int _cache_write_back(char *p);
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127 int _fremove(char *p);
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128 int _fopen(char *p);
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129 int _fclose(char *p);
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130 int _fread(char *p);
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131 int _fwrite(char *p);
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132 int _fseek(char *p);
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133 int _ftell(char *p);
\r
134 int _fsize(char *p);
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135 int _dir_rm(char *p);
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136 int _dir_mk(char *p);
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137 int _dir_open(char *p);
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138 int _dir_close(char *p);
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139 int _dir_close(char *p);
\r
140 int _dir_entry_get(char *p);
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142 int _multi_fcreate(char *p);
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143 int _multi_fwrite(char *p);
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144 int _multi_fread(char *p);
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145 int _multi_fremove(char *p);
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146 int _multi_dcreate(char *p);
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147 int _multi_dremove(char *p);
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148 int _stats_save(char *p);
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149 int _stats_check(char *p);
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152 static struct lwext4_call op_call[] = {
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153 _device_register, /*PARAMS(3): 0 cache_mode dev_name */
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154 _mount, /*PARAMS(2): dev_name mount_point */
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155 _umount, /*PARAMS(1): mount_point */
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156 _mount_point_stats,/*PARAMS(2): mount_point, 0 */
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157 _cache_write_back, /*PARAMS(2): mount_point, en */
\r
158 _fremove, /*PARAMS(1): path */
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159 _fopen, /*PARAMS(2): fid path flags */
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160 _fclose, /*PARAMS(1): fid */
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161 _fread, /*PARAMS(4): fid 0 len 0 */
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162 _fwrite, /*PARAMS(4): fid 0 len 0 */
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163 _fseek, /*PARAMS(2): fid off origin */
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164 _ftell, /*PARAMS(2): fid exp */
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165 _fsize, /*PARAMS(2): fid exp */
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166 _dir_rm, /*PARAMS(1): path */
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167 _dir_mk, /*PARAMS(1): path */
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168 _dir_open, /*PARAMS(2): did, path */
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169 _dir_close, /*PARAMS(1): did */
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170 _dir_entry_get, /*PARAMS(2): did, exp */
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172 _multi_fcreate, /*PARAMS(3): path prefix cnt */
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173 _multi_fwrite, /*PARAMS(4): path prefix cnt size */
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174 _multi_fread, /*PARAMS(4): path prefix cnt size */
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175 _multi_fremove, /*PARAMS(2): path prefix cnt */
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176 _multi_dcreate, /*PARAMS(3): path prefix cnt */
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177 _multi_dremove, /*PARAMS(2): path prefix */
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178 _stats_save, /*PARAMS(1): path */
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179 _stats_check, /*PARAMS(1): path */
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182 static clock_t get_ms(void)
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185 gettimeofday(&t, NULL);
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186 return (t.tv_sec * 1000) + (t.tv_usec / 1000);
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190 static int exec_op_code(char *opcode)
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195 for (i = 0; i < sizeof(op_codes) / sizeof(op_codes[0]); ++i) {
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197 if(strncmp(op_codes[i].func, opcode, strlen(op_codes[i].func)))
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200 if(opcode[strlen(op_codes[i].func)] != ' ')
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203 printf("%s\n", opcode);
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204 opcode += strlen(op_codes[i].func);
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207 clock_t t = get_ms();
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208 r = op_call[i].lwext4_call(opcode);
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210 printf("rc: %d, time: %ums\n", r, (unsigned int)(get_ms() - t));
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219 static int server_open(void)
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222 struct sockaddr_in serv_addr;
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224 memset(&serv_addr, 0, sizeof(serv_addr));
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226 if(winsock_init() < 0) {
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227 printf("winsock_init() error\n");
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231 fd = socket(AF_INET, SOCK_STREAM, 0);
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233 printf("socket() error: %s\n", strerror(errno));
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238 if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void *)&yes, sizeof(int))) {
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239 printf("setsockopt() error: %s\n", strerror(errno));
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243 serv_addr.sin_family = AF_INET;
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244 serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
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245 serv_addr.sin_port = htons(connection_port);
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247 if(bind(fd, (struct sockaddr*)&serv_addr, sizeof(serv_addr))){
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248 printf("bind() error: %s\n", strerror(errno));
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253 printf("listen() error: %s\n", strerror(errno));
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260 static bool parse_opt(int argc, char **argv)
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262 int option_index = 0;
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265 static struct option long_options[] = {
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266 {"image", required_argument, 0, 'i'},
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267 {"port", required_argument, 0, 'p'},
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268 {"verbose", required_argument, 0, 'v'},
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272 while(-1 != (c = getopt_long (argc, argv, "i:p:v:", long_options, &option_index))) {
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276 ext4_fname = optarg;
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279 connection_port = atoi(optarg);
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282 verbose = atoi(optarg);
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285 printf("%s", usage);
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293 int main(int argc, char *argv[])
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300 if(!parse_opt(argc, argv))
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303 ext4_filedev_filename(ext4_fname);
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304 listenfd = server_open();
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306 printf("lwext4_server: listening on port: %d\n", connection_port);
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308 memset(write_buffer, RW_BUFFER_PATERN, MAX_RW_BUFFER);
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311 connfd = accept(listenfd, (struct sockaddr*)NULL, NULL);
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313 n = recv(connfd, op_code, sizeof(op_code), 0);
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316 printf("recv() error: %s fd = %d\n", strerror(errno), connfd);
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322 int r = exec_op_code(op_code);
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324 n = send(connfd, (void *)&r, sizeof(r), 0);
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326 printf("send() error: %s fd = %d\n", strerror(errno), connfd);
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338 int _device_register(char *p)
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344 if(sscanf(p, "%d %d %s", &bd, &cache_mode, dev_name) != 3){
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345 printf("Param list error\n");
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349 return ext4_device_register(ext4_filedev_get(), 0, dev_name);
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352 int _mount(char *p)
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355 char mount_point[32];
\r
358 if(sscanf(p, "%s %s", dev_name, mount_point) != 2){
\r
359 printf("Param list error\n");
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363 return ext4_mount(dev_name, mount_point);
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366 int _umount(char *p)
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368 char mount_point[32];
\r
370 if(sscanf(p, "%s", mount_point) != 1){
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371 printf("Param list error\n");
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375 return ext4_umount(mount_point);
\r
378 int _mount_point_stats(char *p)
\r
380 char mount_point[32];
\r
383 struct ext4_mount_stats stats;
\r
385 if(sscanf(p, "%s %d", mount_point, &d) != 2){
\r
386 printf("Param list error\n");
\r
390 rc = ext4_mount_point_stats(mount_point, &stats);
\r
396 printf("\tinodes_count = %d\n", stats.inodes_count);
\r
397 printf("\tfree_inodes_count = %d\n", stats.free_inodes_count);
\r
398 printf("\tblocks_count = %llu\n", stats.blocks_count);
\r
399 printf("\tfree_blocks_count = %llu\n", stats.free_blocks_count);
\r
401 printf("\tblock_size = %d\n", stats.block_size);
\r
402 printf("\tblock_group_count = %d\n", stats.block_group_count);
\r
403 printf("\tblocks_per_group = %d\n", stats.blocks_per_group);
\r
404 printf("\tinodes_per_group = %d\n", stats.inodes_per_group);
\r
406 printf("\tvolume_name = %s\n", stats.volume_name);
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412 int _cache_write_back(char *p)
\r
414 char mount_point[32];
\r
417 if(sscanf(p, "%s %d", mount_point, &en) != 2){
\r
418 printf("Param list error\n");
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422 return ext4_cache_write_back(mount_point, en);
\r
426 int _fremove(char *p)
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430 if(sscanf(p, "%s", path) != 1){
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431 printf("Param list error\n");
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435 return ext4_fremove(path);
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438 int _fopen(char *p)
\r
440 int fid = MAX_FILES;
\r
445 if(sscanf(p, "%d %s %s", &fid, path, flags) != 3){
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446 printf("Param list error\n");
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450 if(!(fid < MAX_FILES)){
\r
451 printf("File id too big\n");
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455 rc = ext4_fopen(&file_tab[fid].fd, path, flags);
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458 strcpy(file_tab[fid].name, path);
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463 int _fclose(char *p)
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465 int fid = MAX_FILES;
\r
468 if(sscanf(p, "%d", &fid) != 1){
\r
469 printf("Param list error\n");
\r
473 if(!(fid < MAX_FILES)){
\r
474 printf("File id too big\n");
\r
478 if(file_tab[fid].name[0] == 0){
\r
479 printf("File id empty\n");
\r
483 rc = ext4_fclose(&file_tab[fid].fd);
\r
486 file_tab[fid].name[0] = 0;
\r
491 int _fread(char *p)
\r
493 int fid = MAX_FILES;
\r
499 if(sscanf(p, "%d %d %d %d", &fid, &d, &len, &d) != 4){
\r
500 printf("Param list error\n");
\r
504 if(!(fid < MAX_FILES)){
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505 printf("File id too big\n");
\r
509 if(file_tab[fid].name[0] == 0){
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510 printf("File id empty\n");
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515 d = len > MAX_RW_BUFFER ? MAX_RW_BUFFER : len;
\r
517 memset(read_buffer, 0, MAX_RW_BUFFER);
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518 rc = ext4_fread(&file_tab[fid].fd, read_buffer, d, &rb);
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524 printf("Read count error\n");
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528 if(memcmp(read_buffer, write_buffer, d)){
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529 printf("Read compare error\n");
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539 int _fwrite(char *p)
\r
541 int fid = MAX_FILES;
\r
547 if(sscanf(p, "%d %d %d %d", &fid, &d, &len, &d) != 4){
\r
548 printf("Param list error\n");
\r
552 if(!(fid < MAX_FILES)){
\r
553 printf("File id too big\n");
\r
557 if(file_tab[fid].name[0] == 0){
\r
558 printf("File id empty\n");
\r
563 d = len > MAX_RW_BUFFER ? MAX_RW_BUFFER : len;
\r
564 rc = ext4_fwrite(&file_tab[fid].fd, write_buffer, d, &wb);
\r
570 printf("Write count error\n");
\r
580 int _fseek(char *p)
\r
582 int fid = MAX_FILES;
\r
586 if(sscanf(p, "%d %d %d", &fid, &off, &origin) != 3){
\r
587 printf("Param list error\n");
\r
591 if(!(fid < MAX_FILES)){
\r
592 printf("File id too big\n");
\r
596 if(file_tab[fid].name[0] == 0){
\r
597 printf("File id empty\n");
\r
601 return ext4_fseek(&file_tab[fid].fd, off, origin);
\r
604 int _ftell(char *p)
\r
606 int fid = MAX_FILES;
\r
609 if(sscanf(p, "%d %u", &fid, &exp_pos) != 2){
\r
610 printf("Param list error\n");
\r
614 if(!(fid < MAX_FILES)){
\r
615 printf("File id too big\n");
\r
619 if(file_tab[fid].name[0] == 0){
\r
620 printf("File id empty\n");
\r
625 if(exp_pos != ext4_ftell(&file_tab[fid].fd)){
\r
626 printf("Expected filepos error\n");
\r
633 int _fsize(char *p)
\r
635 int fid = MAX_FILES;
\r
638 if(sscanf(p, "%d %u", &fid, &exp_size) != 2){
\r
639 printf("Param list error\n");
\r
643 if(!(fid < MAX_FILES)){
\r
644 printf("File id too big\n");
\r
648 if(file_tab[fid].name[0] == 0){
\r
649 printf("File id empty\n");
\r
653 if(exp_size != ext4_fsize(&file_tab[fid].fd)){
\r
654 printf("Expected filesize error\n");
\r
661 int _dir_rm(char *p)
\r
665 if(sscanf(p, "%s", path) != 1){
\r
666 printf("Param list error\n");
\r
670 return ext4_dir_rm(path);
\r
673 int _dir_mk(char *p)
\r
677 if(sscanf(p, "%s", path) != 1){
\r
678 printf("Param list error\n");
\r
682 return ext4_dir_mk(path);
\r
685 int _dir_open(char *p)
\r
687 int did = MAX_DIRS;
\r
691 if(sscanf(p, "%d %s", &did, path) != 2){
\r
692 printf("Param list error\n");
\r
696 if(!(did < MAX_DIRS)){
\r
697 printf("Dir id too big\n");
\r
701 rc = ext4_dir_open(&dir_tab[did].fd, path);
\r
704 strcpy(dir_tab[did].name, path);
\r
709 int _dir_close(char *p)
\r
711 int did = MAX_DIRS;
\r
714 if(sscanf(p, "%d", &did) != 1){
\r
715 printf("Param list error\n");
\r
719 if(!(did < MAX_DIRS)){
\r
720 printf("Dir id too big\n");
\r
724 if(dir_tab[did].name[0] == 0){
\r
725 printf("Dir id empty\n");
\r
729 rc = ext4_dir_close(&dir_tab[did].fd);
\r
732 dir_tab[did].name[0] = 0;
\r
737 int _dir_entry_get(char *p)
\r
739 int did = MAX_DIRS;
\r
743 if(sscanf(p, "%d %d", &did, &exp) != 2){
\r
744 printf("Param list error\n");
\r
748 if(!(did < MAX_DIRS)){
\r
749 printf("Dir id too big\n");
\r
753 if(dir_tab[did].name[0] == 0){
\r
754 printf("Dir id empty\n");
\r
762 while(d = ext4_dir_entry_get(&dir_tab[did].fd, idx++)){
\r
764 memcpy(name, d->name, d->name_length);
\r
765 name[d->name_length] = 0;
\r
767 printf("\t%s %s\n", entry_to_str(d->inode_type), name);
\r
774 printf("Minumum dir entry error\n");
\r
778 if((idx - 2) != exp){
\r
779 printf("Expected dir entry error\n");
\r
786 int _multi_fcreate(char *p)
\r
796 if(sscanf(p, "%s %s %d", path, prefix, &cnt) != 3){
\r
797 printf("Param list error\n");
\r
801 for (i = 0; i < cnt; ++i) {
\r
802 sprintf(path1, "%s%s%d", path, prefix, i);
\r
803 rc = ext4_fopen(&fd, path1, "wb+");
\r
812 int _multi_fwrite(char *p)
\r
823 if(sscanf(p, "%s %s %d %d", path, prefix, &cnt, &ll) != 4){
\r
824 printf("Param list error\n");
\r
828 for (i = 0; i < cnt; ++i) {
\r
829 sprintf(path1, "%s%s%d", path, prefix, i);
\r
830 rc = ext4_fopen(&fd, path1, "rb+");
\r
837 d = len > MAX_RW_BUFFER ? MAX_RW_BUFFER : len;
\r
838 rc = ext4_fwrite(&fd, write_buffer, d, &wb);
\r
844 printf("Write count error\n");
\r
855 int _multi_fread(char *p)
\r
866 if(sscanf(p, "%s %s %d %d", path, prefix, &cnt, &ll) != 4){
\r
867 printf("Param list error\n");
\r
871 for (i = 0; i < cnt; ++i) {
\r
872 sprintf(path1, "%s%s%d", path, prefix, i);
\r
873 rc = ext4_fopen(&fd, path1, "rb+");
\r
880 d = len > MAX_RW_BUFFER ? MAX_RW_BUFFER : len;
\r
882 memset(read_buffer, 0, MAX_RW_BUFFER);
\r
883 rc = ext4_fread(&fd, read_buffer, d, &rb);
\r
889 printf("Read count error\n");
\r
893 if(memcmp(read_buffer, write_buffer, d)){
\r
894 printf("Read compare error\n");
\r
905 int _multi_fremove(char *p)
\r
912 if(sscanf(p, "%s %s %d", path, prefix, &cnt) != 3){
\r
913 printf("Param list error\n");
\r
917 for (i = 0; i < cnt; ++i) {
\r
918 sprintf(path1, "%s%s%d", path, prefix, i);
\r
919 rc = ext4_fremove(path1);
\r
927 int _multi_dcreate(char *p)
\r
934 if(sscanf(p, "%s %s %d", path, prefix, &cnt) != 3){
\r
935 printf("Param list error\n");
\r
939 for (i = 0; i < cnt; ++i) {
\r
940 sprintf(path1, "%s%s%d", path, prefix, i);
\r
941 rc = ext4_dir_mk(path1);
\r
949 int _multi_dremove(char *p)
\r
956 if(sscanf(p, "%s %s %d", path, prefix, &cnt) != 3){
\r
957 printf("Param list error\n");
\r
961 for (i = 0; i < cnt; ++i) {
\r
962 sprintf(path1, "%s%s%d", path, prefix, i);
\r
963 rc = ext4_dir_rm(path1);
\r
971 struct ext4_mount_stats saved_stats;
\r
973 int _stats_save(char *p)
\r
977 if(sscanf(p, "%s", path) != 1){
\r
978 printf("Param list error\n");
\r
982 return ext4_mount_point_stats(path, &saved_stats);
\r
985 int _stats_check(char *p)
\r
990 struct ext4_mount_stats actual_stats;
\r
992 if(sscanf(p, "%s", path) != 1){
\r
993 printf("Param list error\n");
\r
997 rc = ext4_mount_point_stats(path, &actual_stats);
\r
1002 if(memcmp(&saved_stats, &actual_stats, sizeof(struct ext4_mount_stats))){
\r
1004 printf("\tMount point stats error:\n");
\r
1005 printf("\tsaved_stats:\n");
\r
1006 printf("\tinodes_count = %d\n", saved_stats.inodes_count);
\r
1007 printf("\tfree_inodes_count = %d\n", saved_stats.free_inodes_count);
\r
1008 printf("\tblocks_count = %llu\n", saved_stats.blocks_count);
\r
1009 printf("\tfree_blocks_count = %llu\n", saved_stats.free_blocks_count);
\r
1010 printf("\tblock_size = %d\n", saved_stats.block_size);
\r
1011 printf("\tblock_group_count = %d\n", saved_stats.block_group_count);
\r
1012 printf("\tblocks_per_group = %d\n", saved_stats.blocks_per_group);
\r
1013 printf("\tinodes_per_group = %d\n", saved_stats.inodes_per_group);
\r
1014 printf("\tvolume_name = %s\n", saved_stats.volume_name);
\r
1015 printf("\tactual_stats:\n");
\r
1016 printf("\tinodes_count = %d\n", actual_stats.inodes_count);
\r
1017 printf("\tfree_inodes_count = %d\n", actual_stats.free_inodes_count);
\r
1018 printf("\tblocks_count = %llu\n", actual_stats.blocks_count);
\r
1019 printf("\tfree_blocks_count = %llu\n", actual_stats.free_blocks_count);
\r
1020 printf("\tblock_size = %d\n", actual_stats.block_size);
\r
1021 printf("\tblock_group_count = %d\n", actual_stats.block_group_count);
\r
1022 printf("\tblocks_per_group = %d\n", actual_stats.blocks_per_group);
\r
1023 printf("\tinodes_per_group = %d\n", actual_stats.inodes_per_group);
\r
1024 printf("\tvolume_name = %s\n", actual_stats.volume_name);
\r
1034 static char* entry_to_str(uint8_t type)
\r
1037 case EXT4_DIRENTRY_UNKNOWN:
\r
1039 case EXT4_DIRENTRY_REG_FILE:
\r
1041 case EXT4_DIRENTRY_DIR:
\r
1043 case EXT4_DIRENTRY_CHRDEV:
\r
1045 case EXT4_DIRENTRY_BLKDEV:
\r
1047 case EXT4_DIRENTRY_FIFO:
\r
1049 case EXT4_DIRENTRY_SOCK:
\r
1051 case EXT4_DIRENTRY_SYMLINK:
\r
1059 static int winsock_init(void)
\r
1063 static WSADATA wsaData;
\r
1064 rc = WSAStartup(MAKEWORD(2,2), &wsaData);
\r
1072 static void winsock_fini(void)
\r