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fix #261: new index ids generated for incremental scan

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This commit is contained in:
Yatao Li 2022-02-27 00:25:23 +08:00
parent 2882741926
commit 4fac81ca6a
1 changed files with 14 additions and 5 deletions
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19
src/main.c
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@ -103,7 +103,7 @@ void sig_handler(int signum) {
exit(-1);
}
void init_dir(const char *dirpath) {
void init_dir(const char *dirpath, scan_args_t* args) {
char path[PATH_MAX];
snprintf(path, PATH_MAX, "%sdescriptor.json", dirpath);
@ -111,9 +111,18 @@ void init_dir(const char *dirpath) {
strcpy(ScanCtx.index.desc.version, Version);
strcpy(ScanCtx.index.desc.type, INDEX_TYPE_NDJSON);
unsigned char index_md5[MD5_DIGEST_LENGTH];
MD5((unsigned char *) &ScanCtx.index.desc.timestamp, sizeof(ScanCtx.index.desc.timestamp), index_md5);
buf2hex(index_md5, MD5_DIGEST_LENGTH, ScanCtx.index.desc.id);
if (args->incremental != NULL) {
// copy old index id
char descriptor_path[PATH_MAX];
snprintf(descriptor_path, PATH_MAX, "%sdescriptor.json", args->incremental);
index_descriptor_t original_desc = read_index_descriptor(descriptor_path);
memcpy(ScanCtx.index.desc.id, original_desc.id, sizeof(original_desc.id));
} else {
// genreate new index id based on timestamp
unsigned char index_md5[MD5_DIGEST_LENGTH];
MD5((unsigned char *) &ScanCtx.index.desc.timestamp, sizeof(ScanCtx.index.desc.timestamp), index_md5);
buf2hex(index_md5, MD5_DIGEST_LENGTH, ScanCtx.index.desc.id);
}
write_index_descriptor(path, &ScanCtx.index.desc);
}
@ -378,7 +387,7 @@ void sist2_scan(scan_args_t *args) {
initialize_scan_context(args);
init_dir(ScanCtx.index.path);
init_dir(ScanCtx.index.path, args);
char store_path[PATH_MAX];
snprintf(store_path, PATH_MAX, "%sthumbs", ScanCtx.index.path);