X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=main.cc;h=f06f0188806693691dc01fe1592a2822de705032;hb=01776f600be2a246400d1e6e135b77f8e549c833;hp=5ac0f8c995429914b29560761d39f9e6155249c3;hpb=d862b5ab3900dc52a702a0fbff29adb24ac3ccec;p=cumulus.git diff --git a/main.cc b/main.cc index 5ac0f8c..f06f018 100644 --- a/main.cc +++ b/main.cc @@ -843,64 +843,23 @@ int main(int argc, char *argv[]) tss->dump_stats(); delete tss; - /* Write out a checksums file which lists the checksums for all the - * segments included in this snapshot. The format is designed so that it - * may be easily verified using the sha1sums command. */ - const char csum_type[] = "sha1"; - string checksum_filename = "snapshot-"; - if (backup_scheme.size() > 0) - checksum_filename += backup_scheme + "-"; - checksum_filename - = checksum_filename + timestamp + "." + csum_type + "sums"; - RemoteFile *checksum_file = remote->alloc_file(checksum_filename, - "meta"); - FILE *checksums = fdopen(checksum_file->get_fd(), "w"); - - std::set segment_list = db->GetUsedSegments(); - for (std::set::iterator i = segment_list.begin(); - i != segment_list.end(); ++i) { - map segment_metadata = db->GetSegmentMetadata(*i); - if (segment_metadata.count("path") - && segment_metadata.count("checksum")) - { - string seg_path = segment_metadata["path"]; - string seg_csum = segment_metadata["checksum"]; - const char *raw_checksum = NULL; - if (strncmp(seg_csum.c_str(), csum_type, - strlen(csum_type)) == 0) { - raw_checksum = seg_csum.c_str() + strlen(csum_type); - if (*raw_checksum == '=') - raw_checksum++; - else - raw_checksum = NULL; - } - - if (raw_checksum != NULL) - fprintf(checksums, "%s *%s\n", - raw_checksum, seg_path.c_str()); - } - } - fclose(checksums); - - SHA1Checksum checksum_csum; - string csum; - checksum_filename = checksum_file->get_local_path(); - if (checksum_csum.process_file(checksum_filename.c_str())) { - csum = checksum_csum.checksum_str(); - } - - checksum_file->send(); - /* Write out a summary file with metadata for all the segments in this - * snapshot (can be used to reconstruct database contents if needed). */ + * snapshot (can be used to reconstruct database contents if needed), and + * contains hash values for the segments for quick integrity checks. */ string dbmeta_filename = "snapshot-"; if (backup_scheme.size() > 0) dbmeta_filename += backup_scheme + "-"; - dbmeta_filename += timestamp + ".meta"; - RemoteFile *dbmeta_file = remote->alloc_file(dbmeta_filename, - "meta"); - FILE *dbmeta = fdopen(dbmeta_file->get_fd(), "w"); + dbmeta_filename += timestamp + ".meta" + filter_extension; + RemoteFile *dbmeta_file = remote->alloc_file(dbmeta_filename, "meta"); + FileFilter *dbmeta_filter = FileFilter::New(dbmeta_file->get_fd(), + filter_program); + if (dbmeta_filter == NULL) { + fprintf(stderr, "Unable to open descriptor output file: %m\n"); + return 1; + } + FILE *dbmeta = fdopen(dbmeta_filter->get_wrapped_fd(), "w"); + std::set segment_list = db->GetUsedSegments(); for (std::set::iterator i = segment_list.begin(); i != segment_list.end(); ++i) { map segment_metadata = db->GetSegmentMetadata(*i); @@ -916,6 +875,7 @@ int main(int argc, char *argv[]) } } fclose(dbmeta); + dbmeta_filter->wait(); string dbmeta_csum = Hash::hash_file(dbmeta_file->get_local_path().c_str()); @@ -940,19 +900,13 @@ int main(int argc, char *argv[]) RemoteFile *descriptor_file = remote->alloc_file(desc_filename, "snapshots"); - int descriptor_fd = descriptor_file->get_fd(); - if (descriptor_fd < 0) { + FileFilter *descriptor_filter = FileFilter::New(descriptor_file->get_fd(), + signature_filter.c_str()); + if (descriptor_filter == NULL) { fprintf(stderr, "Unable to open descriptor output file: %m\n"); return 1; } - pid_t signature_pid = 0; - if (signature_filter.size() > 0) { - int new_fd = spawn_filter(descriptor_fd, signature_filter.c_str(), - &signature_pid); - close(descriptor_fd); - descriptor_fd = new_fd; - } - FILE *descriptor = fdopen(descriptor_fd, "w"); + FILE *descriptor = fdopen(descriptor_filter->get_wrapped_fd(), "w"); fprintf(descriptor, "Format: Cumulus Snapshot v0.11\n"); fprintf(descriptor, "Producer: Cumulus %s\n", cumulus_version); @@ -964,11 +918,7 @@ int main(int argc, char *argv[]) fprintf(descriptor, "Root: %s\n", backup_root.c_str()); if (dbmeta_csum.size() > 0) { - fprintf(descriptor, "Database-state: %s\n", dbmeta_csum.c_str()); - } - - if (csum.size() > 0) { - fprintf(descriptor, "Checksums: %s\n", csum.c_str()); + fprintf(descriptor, "Segment-metadata: %s\n", dbmeta_csum.c_str()); } fprintf(descriptor, "Segments:\n"); @@ -978,14 +928,8 @@ int main(int argc, char *argv[]) } fclose(descriptor); - - if (signature_pid) { - int status; - waitpid(signature_pid, &status, 0); - - if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) { - fatal("Signature filter process error"); - } + if (descriptor_filter->wait() < 0) { + fatal("Signature filter process error"); } descriptor_file->send();