X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=scandir.cc;h=30b8d4572aa6eab67a9796018f8ba8c59310e6a4;hb=6ac0cb32a08c81ddb87cd3a1373e8e64e8757534;hp=702fce2778879d35c35471606379274715c172d0;hpb=6fc3c86d0c9fc87ae993577c9954dbdca725a64d;p=cumulus.git diff --git a/scandir.cc b/scandir.cc index 702fce2..30b8d45 100644 --- a/scandir.cc +++ b/scandir.cc @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -30,9 +31,11 @@ using std::ostream; static TarSegmentStore *tss = NULL; /* Buffer for holding a single block of data read from a file. */ -static const int LBS_BLOCK_SIZE = 1024 * 1024; +static const size_t LBS_BLOCK_SIZE = 1024 * 1024; static char *block_buf; +static const size_t LBS_METADATA_BLOCK_SIZE = 65536; + /* Contents of the root object. This will contain a set of indirect links to * the metadata objects. */ std::ostringstream metadata_root; @@ -104,7 +107,7 @@ void dumpfile(int fd, dictionary &file_info) list object_list; if ((stat_buf.st_mode & S_IFMT) != S_IFREG) { - printf("file is no longer a regular file!\n"); + fprintf(stderr, "file is no longer a regular file!\n"); return; } @@ -214,16 +217,14 @@ void scanfile(const string& path) buf = new char[stat_buf.st_size + 2]; len = readlink(path.c_str(), buf, stat_buf.st_size + 1); if (len < 0) { - printf("error reading symlink: %m\n"); + fprintf(stderr, "error reading symlink: %m\n"); } else if (len <= stat_buf.st_size) { buf[len] = '\0'; - printf(" contents=%s\n", buf); + file_info["contents"] = uri_encode(buf); } else if (len > stat_buf.st_size) { - printf("error reading symlink: name truncated\n"); + fprintf(stderr, "error reading symlink: name truncated\n"); } - file_info["contents"] = uri_encode(buf); - delete[] buf; break; case S_IFREG: @@ -263,13 +264,12 @@ void scanfile(const string& path) } file_info["type"] = string(1, inode_type); - metadata << "type: " << inode_type << "\n"; dict_output(metadata, file_info); metadata << "\n"; // Break apart metadata listing if it becomes too large. - if (metadata.str().size() > 4096) + if (metadata.str().size() > LBS_METADATA_BLOCK_SIZE) metadata_flush(); // If we hit a directory, now that we've written the directory itself, @@ -283,7 +283,7 @@ void scandir(const string& path) DIR *dir = opendir(path.c_str()); if (dir == NULL) { - printf("Error: %m\n"); + fprintf(stderr, "Error: %m\n"); return; } @@ -311,11 +311,15 @@ int main(int argc, char *argv[]) { block_buf = new char[LBS_BLOCK_SIZE]; - if (argc > 1) { - tss = new TarSegmentStore(argv[1]); - } else { - tss = new TarSegmentStore("."); - } + string backup_dest = "."; + + if (argc > 1) + backup_dest = argv[1]; + + tss = new TarSegmentStore(backup_dest); + + string desc_filename = backup_dest + "/snapshot.lbs"; + std::ofstream descriptor(desc_filename.c_str()); try { scanfile("."); @@ -333,14 +337,14 @@ int main(int argc, char *argv[]) root->checksum(); segment_list.insert(root->get_ref().get_segment()); - string r = root->get_ref().to_string(); - printf("\nroot: %s\n\n", r.c_str()); + descriptor << "root: " << root->get_ref().to_string() << "\n\n"; + delete root; - printf("segments:\n"); + descriptor << "segments:\n"; for (std::set::iterator i = segment_list.begin(); i != segment_list.end(); ++i) { - printf(" %s\n", i->c_str()); + descriptor << " " << *i << "\n"; } tss->sync();