X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=scandir.cc;h=81ddd4b71c22049c7dee39a72c7cda6d08d310c0;hb=948051f02c9bc3285ce1ea187dbae27120dbf7aa;hp=c8e43a8068776218b2f0da47354ab9a27ce58ecc;hpb=221ce05266860848c776e614b23216efb4daf573;p=cumulus.git diff --git a/scandir.cc b/scandir.cc index c8e43a8..81ddd4b 100644 --- a/scandir.cc +++ b/scandir.cc @@ -14,12 +14,23 @@ #include #include +#include "store.h" +#include "sha1.h" + using std::string; using std::vector; +static OutputStream *info_dump = NULL; + void scandir(const string& path); -void dumpfile(int fd) +/* Converts time to microseconds since the epoch. */ +int64_t encode_time(time_t time) +{ + return (int64_t)time * 1000000; +} + +void dumpfile(int fd, dictionary &file_info) { struct stat stat_buf; fstat(fd, &stat_buf); @@ -32,6 +43,7 @@ void dumpfile(int fd) return; } + SHA1Checksum hash; while (true) { ssize_t res = read(fd, buf, sizeof(buf)); if (res < 0) { @@ -42,11 +54,13 @@ void dumpfile(int fd) } else if (res == 0) { break; } else { + hash.process(buf, res); size += res; } } - printf(" bytes=%Ld\n", size); + file_info["sha1"] = string((const char *)hash.checksum(), + hash.checksum_size()); } void scanfile(const string& path) @@ -57,23 +71,36 @@ void scanfile(const string& path) char *buf; ssize_t len; + dictionary file_info; + lstat(path.c_str(), &stat_buf); - printf("%s:\n", path.c_str()); - printf(" ino=%Ld, perm=%04o, uid=%d, gid=%d, nlink=%d, blksize=%d, size=%Ld\n", - (int64_t)stat_buf.st_ino, stat_buf.st_mode & 07777, - stat_buf.st_uid, stat_buf.st_gid, stat_buf.st_nlink, - (int)stat_buf.st_blksize, (int64_t)stat_buf.st_size); + printf("%s\n", path.c_str()); + + file_info["mode"] = encode_u16(stat_buf.st_mode & 07777); + file_info["atime"] = encode_u64(encode_time(stat_buf.st_atime)); + file_info["ctime"] = encode_u64(encode_time(stat_buf.st_ctime)); + file_info["mtime"] = encode_u64(encode_time(stat_buf.st_mtime)); + file_info["user"] = encode_u32(stat_buf.st_uid); + file_info["group"] = encode_u32(stat_buf.st_gid); + + char inode_type; switch (stat_buf.st_mode & S_IFMT) { case S_IFIFO: + inode_type = 'p'; + break; case S_IFSOCK: + inode_type = 's'; + break; case S_IFCHR: + inode_type = 'c'; + break; case S_IFBLK: - printf(" special file\n"); + inode_type = 'b'; break; case S_IFLNK: - printf(" symlink\n"); + inode_type = 'l'; /* Use the reported file size to allocate a buffer large enough to read * the symlink. Allocate slightly more space, so that we ask for more @@ -88,10 +115,14 @@ void scanfile(const string& path) } else if (len > stat_buf.st_size) { printf("error reading symlink: name truncated\n"); } + + file_info["contents"] = buf; + delete[] buf; break; case S_IFREG: - printf(" regular file\n"); + inode_type = '-'; + /* Be paranoid when opening the file. We have no guarantee that the * file was not replaced between the stat() call above and the open() * call below, so we might not even be opening a regular file. That @@ -110,15 +141,25 @@ void scanfile(const string& path) flags = fcntl(fd, F_GETFL); fcntl(fd, F_SETFL, flags & ~O_NONBLOCK); - dumpfile(fd); + file_info["size"] = encode_u64(stat_buf.st_size); + dumpfile(fd, file_info); close(fd); break; case S_IFDIR: - printf(" directory\n"); + inode_type = 'd'; scandir(path); break; + + default: + fprintf(stderr, "Unknown inode type: mode=%x\n", stat_buf.st_mode); + return; } + + file_info["type"] = string(1, inode_type); + + info_dump->write_string(path); + info_dump->write_dictionary(file_info); } void scandir(const string& path) @@ -152,7 +193,20 @@ void scandir(const string& path) int main(int argc, char *argv[]) { - scandir("."); + FILE *dump = fopen("fileinfo", "w"); + if (dump == NULL) { + fprintf(stderr, "Cannot open fileinfo: %m\n"); + return 1; + } + + FileOutputStream os(dump); + info_dump = &os; + + try { + scanfile("."); + } catch (IOException e) { + fprintf(stderr, "IOException: %s\n", e.getError().c_str()); + } return 0; }