示例#1
0
void
Indexer_commit(Indexer *self)
{
    // Safety check. 
    if ( !self->write_lock ) {
        THROW(ERR, "Can't call commit() more than once");
    }

    if (!self->prepared) {
        Indexer_Prepare_Commit(self);
    }

    if (self->needs_commit) {
        bool_t success;

        // Rename temp snapshot file. 
        CharBuf *temp_snapfile = CB_Clone(self->snapfile);
        CB_Chop(self->snapfile, sizeof(".temp") - 1);
        Snapshot_Set_Path(self->snapshot, self->snapfile);
        success = Folder_Rename(self->folder, temp_snapfile, self->snapfile);
        DECREF(temp_snapfile);
        if (!success) { RETHROW(INCREF(Err_get_error())); }

        // Purge obsolete files. 
        FilePurger_Purge(self->file_purger);
    }

    // Release locks, invalidating the Indexer. 
    S_release_merge_lock(self);
    S_release_write_lock(self);
}
示例#2
0
文件: Indexer.c 项目: rectang/lucy
void
Indexer_Commit_IMP(Indexer *self) {
    IndexerIVARS *const ivars = Indexer_IVARS(self);

    // Safety check.
    if (!ivars->write_lock) {
        THROW(ERR, "Can't call commit() more than once");
    }

    if (!ivars->prepared) {
        Indexer_Prepare_Commit(self);
    }

    if (ivars->needs_commit) {
        bool success;

        // Rename temp snapshot file.
        String *temp_snapfile = ivars->snapfile;
        size_t ext_len      = sizeof(".temp") - 1;
        size_t snapfile_len = Str_Length(temp_snapfile);
        if (snapfile_len <= ext_len) {
            THROW(ERR, "Invalid snapfile name: %o", temp_snapfile);
        }
        ivars->snapfile = Str_SubString(temp_snapfile, 0,
                                       snapfile_len - ext_len);
        Snapshot_Set_Path(ivars->snapshot, ivars->snapfile);
        success = Folder_Rename(ivars->folder, temp_snapfile, ivars->snapfile);
        DECREF(temp_snapfile);
        if (!success) { RETHROW(INCREF(Err_get_error())); }

        // Purge obsolete files.
        FilePurger_Purge(ivars->file_purger);
    }

    // Release locks, invalidating the Indexer.
    S_release_merge_lock(self);
    S_release_write_lock(self);
}