X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fcompressor%2FCompressor.cc;fp=src%2Fceph%2Fsrc%2Fcompressor%2FCompressor.cc;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=02764f400f8b5921ef3f7006309f47e058084508;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git diff --git a/src/ceph/src/compressor/Compressor.cc b/src/ceph/src/compressor/Compressor.cc deleted file mode 100644 index 02764f4..0000000 --- a/src/ceph/src/compressor/Compressor.cc +++ /dev/null @@ -1,117 +0,0 @@ -// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- -// vim: ts=8 sw=2 smarttab -/* - * Ceph - scalable distributed file system - * - * Copyright (C) 2014 Haomai Wang - * - * This is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License version 2.1, as published by the Free Software - * Foundation. See file COPYING. - * - */ - -#include -#include - -#include "CompressionPlugin.h" -#include "Compressor.h" -#include "common/ceph_context.h" -#include "common/debug.h" -#include "common/dout.h" - -const char * Compressor::get_comp_alg_name(int a) { - switch (a) { - case COMP_ALG_NONE: return "none"; - case COMP_ALG_SNAPPY: return "snappy"; - case COMP_ALG_ZLIB: return "zlib"; - case COMP_ALG_ZSTD: return "zstd"; -#ifdef HAVE_LZ4 - case COMP_ALG_LZ4: return "lz4"; -#endif - default: return "???"; - } -} - -boost::optional Compressor::get_comp_alg_type(const std::string &s) { - if (s == "snappy") - return COMP_ALG_SNAPPY; - if (s == "zlib") - return COMP_ALG_ZLIB; - if (s == "zstd") - return COMP_ALG_ZSTD; -#ifdef HAVE_LZ4 - if (s == "lz4") - return COMP_ALG_LZ4; -#endif - if (s == "" || s == "none") - return COMP_ALG_NONE; - - return boost::optional(); -} - -const char *Compressor::get_comp_mode_name(int m) { - switch (m) { - case COMP_NONE: return "none"; - case COMP_PASSIVE: return "passive"; - case COMP_AGGRESSIVE: return "aggressive"; - case COMP_FORCE: return "force"; - default: return "???"; - } -} -boost::optional Compressor::get_comp_mode_type(const std::string &s) { - if (s == "force") - return COMP_FORCE; - if (s == "aggressive") - return COMP_AGGRESSIVE; - if (s == "passive") - return COMP_PASSIVE; - if (s == "none") - return COMP_NONE; - return boost::optional(); -} - -CompressorRef Compressor::create(CephContext *cct, const std::string &type) -{ - // support "random" for teuthology testing - if (type == "random") { - static std::random_device seed; - static std::default_random_engine engine(seed()); - static Spinlock mutex; - - int alg = COMP_ALG_NONE; - std::uniform_int_distribution<> dist(0, COMP_ALG_LAST - 1); - { - std::lock_guard lock(mutex); - alg = dist(engine); - } - if (alg == COMP_ALG_NONE) { - return nullptr; - } - return create(cct, alg); - } - - CompressorRef cs_impl = NULL; - std::stringstream ss; - PluginRegistry *reg = cct->get_plugin_registry(); - CompressionPlugin *factory = dynamic_cast(reg->get_with_load("compressor", type)); - if (factory == NULL) { - lderr(cct) << __func__ << " cannot load compressor of type " << type << dendl; - return NULL; - } - int err = factory->factory(&cs_impl, &ss); - if (err) - lderr(cct) << __func__ << " factory return error " << err << dendl; - return cs_impl; -} - -CompressorRef Compressor::create(CephContext *cct, int alg) -{ - if (alg < 0 || alg >= COMP_ALG_LAST) { - lderr(cct) << __func__ << " invalid algorithm value:" << alg << dendl; - return CompressorRef(); - } - std::string type_name = get_comp_alg_name(alg); - return create(cct, type_name); -}