[dbg] Pull out common code into dbg-lib
- Modularize common routines - Extract the block_dumper interface for displaying blocks - Remove inheritance from show_traits
This commit is contained in:
parent
c95e31bef6
commit
a81cef4467
@ -126,10 +126,15 @@ TOOLS_SOURCE=\
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thin-provisioning/thin_trim.cc
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DEVTOOLS_SOURCE=\
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base/command_interpreter.cc \
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base/output_formatter.cc \
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caching/cache_debug.cc \
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caching/devel_commands.cc \
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dbg-lib/bitset_block_dumper.cc \
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dbg-lib/command_interpreter.cc \
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dbg-lib/commands.cc \
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dbg-lib/index_block_dumper.cc \
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dbg-lib/output_formatter.cc \
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dbg-lib/simple_show_traits.cc \
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dbg-lib/sm_show_traits.cc \
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era/devel_commands.cc \
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era/era_debug.cc \
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thin-provisioning/damage_generator.cc \
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@ -21,11 +21,13 @@
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#include <iostream>
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#include <string>
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#include "base/command_interpreter.h"
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#include "base/output_formatter.h"
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#include "dbg-lib/array_block_dumper.h"
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#include "dbg-lib/btree_node_dumper.h"
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#include "dbg-lib/command_interpreter.h"
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#include "dbg-lib/commands.h"
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#include "dbg-lib/output_formatter.h"
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#include "dbg-lib/sm_show_traits.h"
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#include "persistent-data/file_utils.h"
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#include "persistent-data/data-structures/btree.h"
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#include "persistent-data/data-structures/simple_traits.h"
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#include "persistent-data/space-maps/disk_structures.h"
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#include "caching/commands.h"
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#include "caching/metadata.h"
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@ -39,12 +41,6 @@ using namespace caching;
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//----------------------------------------------------------------
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namespace {
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class hello : public dbg::command {
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virtual void exec(strings const &args, ostream &out) {
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out << "Hello, world!" << endl;
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}
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};
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class help : public dbg::command {
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virtual void exec(strings const &args, ostream &out) {
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out << "Commands:" << endl
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@ -55,31 +51,6 @@ namespace {
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}
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};
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class exit_handler : public dbg::command {
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public:
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exit_handler(command_interpreter::ptr interpreter)
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: interpreter_(interpreter) {
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}
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virtual void exec(strings const &args, ostream &out) {
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out << "Goodbye!" << endl;
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interpreter_->exit_main_loop();
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}
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command_interpreter::ptr interpreter_;
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};
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class sm_root_show_traits : public persistent_data::sm_disk_detail::sm_root_traits {
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public:
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static void show(formatter::ptr f, string const &key,
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persistent_data::sm_disk_detail::sm_root const &value) {
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field(*f, "nr_blocks", value.nr_blocks_);
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field(*f, "nr_allocated", value.nr_allocated_);
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field(*f, "bitmap_root", value.bitmap_root_);
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field(*f, "ref_count_root", value.ref_count_root_);
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}
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};
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class show_superblock : public dbg::command {
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public:
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explicit show_superblock(block_manager::ptr bm)
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@ -145,16 +116,6 @@ namespace {
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block_manager::ptr bm_;
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};
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// FIXME: duplication
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class uint64_show_traits : public uint64_traits {
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public:
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typedef uint64_traits value_trait;
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static void show(formatter::ptr f, string const &key, uint64_t const &value) {
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field(*f, key, boost::lexical_cast<string>(value));
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}
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};
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class mapping_show_traits : public caching::mapping_traits {
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public:
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typedef mapping_traits value_trait;
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@ -165,114 +126,34 @@ namespace {
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}
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};
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// FIXME: duplication
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template <typename ShowTraits>
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class show_btree_node : public dbg::command {
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public:
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explicit show_btree_node(block_manager::ptr bm)
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: bm_(bm) {
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}
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virtual void exec(strings const &args, ostream &out) {
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using namespace persistent_data::btree_detail;
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if (args.size() != 2)
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throw runtime_error("incorrect number of arguments");
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block_address block = boost::lexical_cast<block_address>(args[1]);
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block_manager::read_ref rr = bm_->read_lock(block);
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node_ref<uint64_show_traits::value_trait> n = btree_detail::to_node<uint64_show_traits::value_trait>(rr);
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if (n.get_type() == INTERNAL)
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show_node<uint64_show_traits>(n, out);
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else {
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node_ref<typename ShowTraits::value_trait> n = btree_detail::to_node<typename ShowTraits::value_trait>(rr);
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show_node<ShowTraits>(n, out);
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}
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}
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private:
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template <typename ST>
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void show_node(node_ref<typename ST::value_trait> n, ostream &out) {
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formatter::ptr f = create_xml_formatter();
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field(*f, "csum", n.get_checksum());
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field(*f, "blocknr", n.get_block_nr());
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field(*f, "type", n.get_type() == INTERNAL ? "internal" : "leaf");
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field(*f, "nr_entries", n.get_nr_entries());
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field(*f, "max_entries", n.get_max_entries());
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field(*f, "value_size", n.get_value_size());
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for (unsigned i = 0; i < n.get_nr_entries(); i++) {
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formatter::ptr f2 = create_xml_formatter();
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field(*f2, "key", n.key_at(i));
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ST::show(f2, "value", n.value_at(i));
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f->child(boost::lexical_cast<string>(i), f2);
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}
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f->output(out, 0);
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}
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block_manager::ptr bm_;
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};
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template <typename ShowTraits>
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class show_array_block : public dbg::command {
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typedef array_block<typename ShowTraits::value_trait, block_manager::read_ref> rblock;
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public:
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explicit show_array_block(block_manager::ptr bm,
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typename ShowTraits::ref_counter rc)
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: bm_(bm), rc_(rc) {
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}
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virtual void exec(strings const& args, ostream &out) {
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if (args.size() != 2)
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throw runtime_error("incorrect number of arguments");
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block_address block = boost::lexical_cast<block_address>(args[1]);
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block_manager::read_ref rr = bm_->read_lock(block);
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rblock b(rr, rc_);
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show_array_entries(b, out);
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}
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private:
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void show_array_entries(rblock const& b, ostream &out) {
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formatter::ptr f = create_xml_formatter();
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uint32_t nr_entries = b.nr_entries();
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field(*f, "max_entries", b.max_entries());
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field(*f, "nr_entries", nr_entries);
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field(*f, "value_size", b.value_size());
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for (unsigned i = 0; i < nr_entries; i++) {
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formatter::ptr f2 = create_xml_formatter();
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ShowTraits::show(f2, "value", b.get(i));
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f->child(boost::lexical_cast<string>(i), f2);
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}
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f->output(out, 0);
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}
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block_manager::ptr bm_;
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typename ShowTraits::ref_counter rc_;
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};
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//--------------------------------
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template <typename ShowTraits>
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dbg::command::ptr
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create_btree_node_handler(block_manager::ptr bm) {
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return create_block_handler(bm, create_btree_node_dumper<ShowTraits>());
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}
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template <typename ShowTraits>
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dbg::command::ptr
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create_array_block_handler(block_manager::ptr bm,
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typename ShowTraits::value_trait::ref_counter rc) {
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return create_block_handler(bm, create_array_block_dumper<ShowTraits>(rc));
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}
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int debug(string const &path) {
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using dbg::command;
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try {
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block_manager::ptr bm = open_bm(path, block_manager::READ_ONLY);
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command_interpreter::ptr interp = create_command_interpreter(cin, cout);
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interp->register_command("hello", command::ptr(new hello));
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interp->register_command("hello", create_hello_handler());
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interp->register_command("superblock", command::ptr(new show_superblock(bm)));
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interp->register_command("block_node", command::ptr(new show_btree_node<uint64_show_traits>(bm)));
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interp->register_command("mapping_block", command::ptr(new show_array_block<mapping_show_traits>(bm,
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mapping_show_traits::ref_counter())));
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interp->register_command("block_node", create_btree_node_handler<uint64_show_traits>(bm));
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interp->register_command("mapping_block", create_array_block_handler<mapping_show_traits>(bm,
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mapping_traits::ref_counter()));
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interp->register_command("help", command::ptr(new help));
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interp->register_command("exit", command::ptr(new exit_handler(interp)));
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interp->register_command("exit", create_exit_handler(interp));
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interp->enter_main_loop();
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} catch (std::exception &e) {
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53
dbg-lib/array_block_dumper.h
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53
dbg-lib/array_block_dumper.h
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@ -0,0 +1,53 @@
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#include "dbg-lib/block_dumper.h"
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#include "dbg-lib/output_formatter.h"
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#include "persistent-data/data-structures/array_block.h"
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//----------------------------------------------------------------
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namespace dbg {
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using persistent_data::block_manager;
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using persistent_data::array_block;
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template <typename ShowTraits>
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class array_block_dumper : public block_dumper {
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public:
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array_block_dumper(typename ShowTraits::value_trait::ref_counter rc)
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: rc_(rc) {
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}
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virtual void show(block_manager::read_ref &rr, std::ostream &out) {
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rblock b(rr, rc_);
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show_array_entries(b, out);
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}
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private:
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typedef array_block<typename ShowTraits::value_trait, block_manager::read_ref> rblock;
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void show_array_entries(rblock const& b, std::ostream &out) {
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formatter::ptr f = create_xml_formatter();
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uint32_t nr_entries = b.nr_entries();
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field(*f, "max_entries", b.max_entries());
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field(*f, "nr_entries", nr_entries);
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field(*f, "value_size", b.value_size());
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for (unsigned i = 0; i < nr_entries; i++) {
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formatter::ptr f2 = create_xml_formatter();
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ShowTraits::show(f2, "value", b.get(i));
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f->child(boost::lexical_cast<std::string>(i), f2);
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}
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f->output(out, 0);
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}
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typename ShowTraits::value_trait::ref_counter rc_;
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};
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template <typename ShowTraits>
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block_dumper::ptr
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create_array_block_dumper(typename ShowTraits::value_trait::ref_counter rc) {
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return block_dumper::ptr(new array_block_dumper<ShowTraits>(rc));
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}
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}
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//----------------------------------------------------------------
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137
dbg-lib/bitset_block_dumper.cc
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137
dbg-lib/bitset_block_dumper.cc
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@ -0,0 +1,137 @@
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#include "dbg-lib/bitset_block_dumper.h"
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#include "dbg-lib/output_formatter.h"
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#include "persistent-data/data-structures/array_block.h"
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#include "persistent-data/data-structures/simple_traits.h"
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using namespace dbg;
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using namespace persistent_data;
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//----------------------------------------------------------------
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namespace {
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class bitset_block_dumper : public dbg::block_dumper {
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typedef array_block<uint64_traits, block_manager::read_ref> rblock;
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public:
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explicit bitset_block_dumper()
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: BITS_PER_ARRAY_ENTRY(64) {
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}
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virtual void show(block_manager::read_ref &rr, ostream &out) {
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rblock b(rr, rc_);
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show_bitset_entries(b, out);
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}
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private:
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void show_bitset_entries(rblock const& b, ostream &out) {
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formatter::ptr f = create_xml_formatter();
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uint32_t nr_entries = b.nr_entries();
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field(*f, "max_entries", b.max_entries());
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field(*f, "nr_entries", nr_entries);
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field(*f, "value_size", b.value_size());
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uint32_t end_pos = b.nr_entries() * BITS_PER_ARRAY_ENTRY;
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std::pair<uint32_t, uint32_t> range = next_set_bits(b, 0);
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for (; range.first < end_pos; range = next_set_bits(b, range.second)) {
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formatter::ptr f2 = create_xml_formatter();
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field(*f2, "begin", range.first);
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field(*f2, "end", range.second);
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f->child("set_bits", f2);
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}
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f->output(out, 0);
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}
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// Returns the range of set bits, starts from the offset.
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pair<uint32_t, uint32_t> next_set_bits(rblock const &b, uint32_t offset) {
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uint32_t end_pos = b.nr_entries() * BITS_PER_ARRAY_ENTRY;
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uint32_t begin = find_first_set(b, offset);
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if (begin == end_pos) // not found
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return make_pair(end_pos, end_pos);
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uint32_t end = find_first_unset(b, begin + 1);
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return make_pair(begin, end);
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}
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// Returns the position (zero-based) of the first bit set
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// in the array block, starts from the offset.
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// Returns the pass-the-end position if not found.
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uint32_t find_first_set(rblock const &b, uint32_t offset) {
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uint32_t entry = offset / BITS_PER_ARRAY_ENTRY;
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uint32_t nr_entries = b.nr_entries();
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if (entry >= nr_entries)
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return entry * BITS_PER_ARRAY_ENTRY;
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uint32_t idx = offset % BITS_PER_ARRAY_ENTRY;
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uint64_t v = b.get(entry++) >> idx;
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while (!v && entry < nr_entries) {
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v = b.get(entry++);
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idx = 0;
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}
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if (!v) // not found
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return entry * BITS_PER_ARRAY_ENTRY;
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return (entry - 1) * BITS_PER_ARRAY_ENTRY + idx + ffsll(static_cast<long long>(v)) - 1;
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}
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// Returns the position (zero-based) of the first zero bit
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// in the array block, starts from the offset.
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// Returns the pass-the-end position if not found.
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// FIXME: improve efficiency
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uint32_t find_first_unset(rblock const& b, uint32_t offset) {
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uint32_t entry = offset / BITS_PER_ARRAY_ENTRY;
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uint32_t nr_entries = b.nr_entries();
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if (entry >= nr_entries)
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return entry * BITS_PER_ARRAY_ENTRY;
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uint32_t idx = offset % BITS_PER_ARRAY_ENTRY;
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uint64_t v = b.get(entry++);
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while (all_bits_set(v, idx) && entry < nr_entries) {
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v = b.get(entry++);
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idx = 0;
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}
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if (all_bits_set(v, idx)) // not found
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return entry * BITS_PER_ARRAY_ENTRY;
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return (entry - 1) * BITS_PER_ARRAY_ENTRY + idx + count_leading_bits(v, idx);
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}
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// Returns true if all the bits beyond the position are set.
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bool all_bits_set(uint64_t v, uint32_t offset) {
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return (v >> offset) == (numeric_limits<uint64_t>::max() >> offset);
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}
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// Counts the number of leading 1's in the given value, starts from the offset
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// FIXME: improve efficiency
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uint32_t count_leading_bits(uint64_t v, uint32_t offset) {
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uint32_t count = 0;
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v >>= offset;
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while (v & 0x1) {
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v >>= 1;
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count++;
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}
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return count;
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}
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block_manager::ptr bm_;
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uint64_traits::ref_counter rc_;
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const uint32_t BITS_PER_ARRAY_ENTRY;
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};
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}
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//----------------------------------------------------------------
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block_dumper::ptr
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dbg::create_bitset_block_dumper() {
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return block_dumper::ptr(new bitset_block_dumper());
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}
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//----------------------------------------------------------------
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14
dbg-lib/bitset_block_dumper.h
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14
dbg-lib/bitset_block_dumper.h
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@ -0,0 +1,14 @@
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#ifndef DBG_BITSET_BLOCK_DUMPER
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#define DBG_BITSET_BLOCK_DUMPER
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#include "dbg-lib/block_dumper.h"
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//----------------------------------------------------------------
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namespace dbg {
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block_dumper::ptr create_bitset_block_dumper();
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}
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//----------------------------------------------------------------
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#endif
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21
dbg-lib/block_dumper.h
Normal file
21
dbg-lib/block_dumper.h
Normal file
@ -0,0 +1,21 @@
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#ifndef DBG_BLOCK_DUMPER_H
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#define DBG_BLOCK_DUMPER_H
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#include "persistent-data/block.h"
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//----------------------------------------------------------------
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namespace dbg {
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class block_dumper {
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public:
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typedef std::shared_ptr<block_dumper> ptr;
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// pass the read_ref by reference since the caller already held the ref-count
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virtual void show(persistent_data::block_manager::read_ref &rr,
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||||
std::ostream &out) = 0;
|
||||
};
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
#endif
|
59
dbg-lib/btree_node_dumper.h
Normal file
59
dbg-lib/btree_node_dumper.h
Normal file
@ -0,0 +1,59 @@
|
||||
#ifndef DBG_BTREE_NODE_DUMPER
|
||||
#define DBG_BTREE_NODE_DUMPER
|
||||
|
||||
#include "dbg-lib/block_dumper.h"
|
||||
#include "dbg-lib/simple_show_traits.h"
|
||||
#include "persistent-data/data-structures/btree.h"
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace dbg {
|
||||
using persistent_data::block_manager;
|
||||
using persistent_data::btree_detail::node_ref;
|
||||
|
||||
template <typename ShowTraits>
|
||||
class btree_node_dumper : public block_dumper {
|
||||
public:
|
||||
virtual void show(block_manager::read_ref &rr, std::ostream &out) {
|
||||
node_ref<uint64_traits> n = btree_detail::to_node<uint64_traits>(rr);
|
||||
if (n.get_type() == INTERNAL)
|
||||
show_node<uint64_show_traits>(n, out);
|
||||
else {
|
||||
node_ref<typename ShowTraits::value_trait> n = btree_detail::to_node<typename ShowTraits::value_trait>(rr);
|
||||
show_node<ShowTraits>(n, out);
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
template <typename ST>
|
||||
void show_node(node_ref<typename ST::value_trait> n, std::ostream &out) {
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
|
||||
field(*f, "csum", n.get_checksum());
|
||||
field(*f, "blocknr", n.get_block_nr());
|
||||
field(*f, "type", n.get_type() == INTERNAL ? "internal" : "leaf");
|
||||
field(*f, "nr_entries", n.get_nr_entries());
|
||||
field(*f, "max_entries", n.get_max_entries());
|
||||
field(*f, "value_size", n.get_value_size());
|
||||
|
||||
for (unsigned i = 0; i < n.get_nr_entries(); i++) {
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
field(*f2, "key", n.key_at(i));
|
||||
ST::show(f2, "value", n.value_at(i));
|
||||
f->child(boost::lexical_cast<std::string>(i), f2);
|
||||
}
|
||||
|
||||
f->output(out, 0);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename ShowTraits>
|
||||
block_dumper::ptr
|
||||
create_btree_node_dumper() {
|
||||
return block_dumper::ptr(new btree_node_dumper<ShowTraits>());
|
||||
}
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
#endif
|
@ -1,4 +1,4 @@
|
||||
#include "base/command_interpreter.h"
|
||||
#include "dbg-lib/command_interpreter.h"
|
||||
|
||||
using namespace dbg;
|
||||
using namespace std;
|
79
dbg-lib/commands.cc
Normal file
79
dbg-lib/commands.cc
Normal file
@ -0,0 +1,79 @@
|
||||
#include "dbg-lib/commands.h"
|
||||
#include "persistent-data/block.h"
|
||||
|
||||
#include <boost/lexical_cast.hpp>
|
||||
#include <stdexcept>
|
||||
|
||||
using namespace dbg;
|
||||
using namespace persistent_data;
|
||||
using namespace std;
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace {
|
||||
class hello : public dbg::command {
|
||||
virtual void exec(dbg::strings const &args, ostream &out) {
|
||||
out << "Hello, world!" << endl;
|
||||
}
|
||||
};
|
||||
|
||||
class exit_handler : public dbg::command {
|
||||
public:
|
||||
exit_handler(command_interpreter::ptr interpreter)
|
||||
: interpreter_(interpreter) {
|
||||
}
|
||||
|
||||
virtual void exec(dbg::strings const &args, ostream &out) {
|
||||
out << "Goodbye!" << endl;
|
||||
interpreter_->exit_main_loop();
|
||||
}
|
||||
|
||||
private:
|
||||
command_interpreter::ptr interpreter_;
|
||||
};
|
||||
|
||||
class block_handler : public dbg::command {
|
||||
public:
|
||||
block_handler(block_manager::ptr bm, block_dumper::ptr dumper)
|
||||
: bm_(bm), dumper_(dumper) {
|
||||
}
|
||||
|
||||
virtual void exec(dbg::strings const &args, ostream &out) {
|
||||
if (args.size() != 2)
|
||||
throw runtime_error("incorrect number of arguments");
|
||||
|
||||
block_address block = boost::lexical_cast<block_address>(args[1]);
|
||||
|
||||
// no checksum validation for debugging purpose
|
||||
block_manager::read_ref rr = bm_->read_lock(block);
|
||||
|
||||
dumper_->show(rr, out);
|
||||
}
|
||||
|
||||
private:
|
||||
block_manager::ptr bm_;
|
||||
block_dumper::ptr dumper_;
|
||||
};
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
command::ptr
|
||||
dbg::create_hello_handler()
|
||||
{
|
||||
return command::ptr(new hello());
|
||||
}
|
||||
|
||||
command::ptr
|
||||
dbg::create_exit_handler(command_interpreter::ptr interp)
|
||||
{
|
||||
return command::ptr(new exit_handler(interp));
|
||||
}
|
||||
|
||||
command::ptr
|
||||
dbg::create_block_handler(block_manager::ptr bm, block_dumper::ptr dumper)
|
||||
{
|
||||
return command::ptr(new block_handler(bm, dumper));
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
24
dbg-lib/commands.h
Normal file
24
dbg-lib/commands.h
Normal file
@ -0,0 +1,24 @@
|
||||
#ifndef DBG_COMMANDS_H
|
||||
#define DBG_COMMANDS_H
|
||||
|
||||
#include "dbg-lib/command_interpreter.h"
|
||||
#include "dbg-lib/block_dumper.h"
|
||||
#include "persistent-data/block.h"
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace dbg {
|
||||
dbg::command::ptr
|
||||
create_hello_handler();
|
||||
|
||||
dbg::command::ptr
|
||||
create_exit_handler(dbg::command_interpreter::ptr interp);
|
||||
|
||||
dbg::command::ptr
|
||||
create_block_handler(persistent_data::block_manager::ptr bm,
|
||||
dbg::block_dumper::ptr dumper);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
#endif
|
51
dbg-lib/index_block_dumper.cc
Normal file
51
dbg-lib/index_block_dumper.cc
Normal file
@ -0,0 +1,51 @@
|
||||
#include "dbg-lib/index_block_dumper.h"
|
||||
#include "dbg-lib/output_formatter.h"
|
||||
#include "dbg-lib/sm_show_traits.h"
|
||||
#include "persistent-data/space-maps/disk_structures.h"
|
||||
|
||||
using namespace dbg;
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace {
|
||||
using persistent_data::block_manager;
|
||||
|
||||
class index_block_dumper : public dbg::block_dumper {
|
||||
public:
|
||||
virtual void show(block_manager::read_ref &rr, std::ostream &out) {
|
||||
sm_disk_detail::metadata_index const *mdi =
|
||||
reinterpret_cast<sm_disk_detail::metadata_index const *>(rr.data());
|
||||
show_metadata_index(mdi, sm_disk_detail::MAX_METADATA_BITMAPS, out);
|
||||
}
|
||||
|
||||
private:
|
||||
void show_metadata_index(sm_disk_detail::metadata_index const *mdi, unsigned nr_indexes, std::ostream &out) {
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
field(*f, "csum", to_cpu<uint32_t>(mdi->csum_));
|
||||
field(*f, "padding", to_cpu<uint32_t>(mdi->padding_));
|
||||
field(*f, "blocknr", to_cpu<uint64_t>(mdi->blocknr_));
|
||||
|
||||
sm_disk_detail::index_entry ie;
|
||||
for (unsigned i = 0; i < nr_indexes; i++) {
|
||||
sm_disk_detail::index_entry_traits::unpack(*(mdi->index + i), ie);
|
||||
|
||||
if (!ie.blocknr_ && !ie.nr_free_ && !ie.none_free_before_)
|
||||
continue;
|
||||
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
index_entry_show_traits::show(f2, "value", ie);
|
||||
f->child(boost::lexical_cast<string>(i), f2);
|
||||
}
|
||||
f->output(out, 0);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
block_dumper::ptr
|
||||
dbg::create_index_block_dumper() {
|
||||
return block_dumper::ptr(new index_block_dumper());
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
10
dbg-lib/index_block_dumper.h
Normal file
10
dbg-lib/index_block_dumper.h
Normal file
@ -0,0 +1,10 @@
|
||||
#include "dbg-lib/block_dumper.h"
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace dbg {
|
||||
block_dumper::ptr
|
||||
create_index_block_dumper();
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
@ -1,6 +1,6 @@
|
||||
#include <string>
|
||||
|
||||
#include "base/output_formatter.h"
|
||||
#include "dbg-lib/output_formatter.h"
|
||||
|
||||
using namespace dbg;
|
||||
using namespace std;
|
19
dbg-lib/simple_show_traits.cc
Normal file
19
dbg-lib/simple_show_traits.cc
Normal file
@ -0,0 +1,19 @@
|
||||
#include "dbg-lib/simple_show_traits.h"
|
||||
|
||||
using namespace dbg;
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
void
|
||||
uint32_show_traits::show(formatter::ptr f, string const &key, uint32_t const &value)
|
||||
{
|
||||
field(*f, key, boost::lexical_cast<string>(value));
|
||||
}
|
||||
|
||||
void
|
||||
uint64_show_traits::show(formatter::ptr f, string const &key, uint64_t const &value)
|
||||
{
|
||||
field(*f, key, boost::lexical_cast<string>(value));
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
27
dbg-lib/simple_show_traits.h
Normal file
27
dbg-lib/simple_show_traits.h
Normal file
@ -0,0 +1,27 @@
|
||||
#ifndef DBG_SIMPLE_SHOW_TRAITS_H
|
||||
#define DBG_SIMPLE_SHOW_TRAITS_H
|
||||
|
||||
#include "dbg-lib/output_formatter.h"
|
||||
#include "persistent-data/data-structures/simple_traits.h"
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace dbg {
|
||||
class uint32_show_traits {
|
||||
public:
|
||||
typedef persistent_data::uint32_traits value_trait;
|
||||
|
||||
static void show(dbg::formatter::ptr f, std::string const &key, uint32_t const &value);
|
||||
};
|
||||
|
||||
class uint64_show_traits {
|
||||
public:
|
||||
typedef persistent_data::uint64_traits value_trait;
|
||||
|
||||
static void show(dbg::formatter::ptr f, std::string const &key, uint64_t const &value);
|
||||
};
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
#endif
|
27
dbg-lib/sm_show_traits.cc
Normal file
27
dbg-lib/sm_show_traits.cc
Normal file
@ -0,0 +1,27 @@
|
||||
#include "dbg-lib/sm_show_traits.h"
|
||||
|
||||
using namespace dbg;
|
||||
using namespace std;
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
void
|
||||
index_entry_show_traits::show(formatter::ptr f, string const &key,
|
||||
persistent_data::sm_disk_detail::index_entry const &value)
|
||||
{
|
||||
field(*f, "blocknr", value.blocknr_);
|
||||
field(*f, "nr_free", value.nr_free_);
|
||||
field(*f, "none_free_before", value.none_free_before_);
|
||||
}
|
||||
|
||||
void
|
||||
sm_root_show_traits::show(formatter::ptr f, string const &key,
|
||||
persistent_data::sm_disk_detail::sm_root const &value)
|
||||
{
|
||||
field(*f, "nr_blocks", value.nr_blocks_);
|
||||
field(*f, "nr_allocated", value.nr_allocated_);
|
||||
field(*f, "bitmap_root", value.bitmap_root_);
|
||||
field(*f, "ref_count_root", value.ref_count_root_);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
29
dbg-lib/sm_show_traits.h
Normal file
29
dbg-lib/sm_show_traits.h
Normal file
@ -0,0 +1,29 @@
|
||||
#ifndef DBG_SM_SHOW_TRAITS_H
|
||||
#define DBG_SM_SHOW_TRAITS_H
|
||||
|
||||
#include "dbg-lib/output_formatter.h"
|
||||
#include "persistent-data/space-maps/disk_structures.h"
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace dbg {
|
||||
class index_entry_show_traits {
|
||||
public:
|
||||
typedef persistent_data::sm_disk_detail::index_entry_traits value_trait;
|
||||
|
||||
static void show(dbg::formatter::ptr f, std::string const &key,
|
||||
persistent_data::sm_disk_detail::index_entry const &value);
|
||||
};
|
||||
|
||||
class sm_root_show_traits {
|
||||
public:
|
||||
typedef persistent_data::sm_disk_detail::sm_root_traits value_trait;
|
||||
|
||||
static void show(dbg::formatter::ptr f, std::string const &key,
|
||||
persistent_data::sm_disk_detail::sm_root const &value);
|
||||
};
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
#endif
|
314
era/era_debug.cc
314
era/era_debug.cc
@ -21,11 +21,14 @@
|
||||
#include <iostream>
|
||||
#include <string>
|
||||
|
||||
#include "base/command_interpreter.h"
|
||||
#include "base/output_formatter.h"
|
||||
#include "dbg-lib/array_block_dumper.h"
|
||||
#include "dbg-lib/btree_node_dumper.h"
|
||||
#include "dbg-lib/bitset_block_dumper.h"
|
||||
#include "dbg-lib/command_interpreter.h"
|
||||
#include "dbg-lib/commands.h"
|
||||
#include "dbg-lib/output_formatter.h"
|
||||
#include "dbg-lib/sm_show_traits.h"
|
||||
#include "persistent-data/file_utils.h"
|
||||
#include "persistent-data/data-structures/btree.h"
|
||||
#include "persistent-data/data-structures/simple_traits.h"
|
||||
#include "persistent-data/space-maps/disk_structures.h"
|
||||
#include "era/commands.h"
|
||||
#include "era/metadata.h"
|
||||
@ -39,12 +42,6 @@ using namespace era;
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace {
|
||||
class hello : public dbg::command {
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
out << "Hello, world!" << endl;
|
||||
}
|
||||
};
|
||||
|
||||
class help : public dbg::command {
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
out << "Commands:" << endl
|
||||
@ -57,52 +54,6 @@ namespace {
|
||||
}
|
||||
};
|
||||
|
||||
class exit_handler : public dbg::command {
|
||||
public:
|
||||
exit_handler(command_interpreter::ptr interpreter)
|
||||
: interpreter_(interpreter) {
|
||||
}
|
||||
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
out << "Goodbye!" << endl;
|
||||
interpreter_->exit_main_loop();
|
||||
}
|
||||
|
||||
command_interpreter::ptr interpreter_;
|
||||
};
|
||||
|
||||
// FIXME: duplication
|
||||
class uint32_show_traits : public uint32_traits {
|
||||
public:
|
||||
typedef uint32_traits value_trait;
|
||||
|
||||
static void show(formatter::ptr f, string const &key, uint32_t const &value) {
|
||||
field(*f, key, boost::lexical_cast<string>(value));
|
||||
}
|
||||
};
|
||||
|
||||
// FIXME: duplication
|
||||
class uint64_show_traits : public uint64_traits {
|
||||
public:
|
||||
typedef uint64_traits value_trait;
|
||||
|
||||
static void show(formatter::ptr f, string const &key, uint64_t const &value) {
|
||||
field(*f, key, boost::lexical_cast<string>(value));
|
||||
}
|
||||
};
|
||||
|
||||
// FIXME: duplication
|
||||
class sm_root_show_traits : public persistent_data::sm_disk_detail::sm_root_traits {
|
||||
public:
|
||||
static void show(formatter::ptr f, string const &key,
|
||||
persistent_data::sm_disk_detail::sm_root const &value) {
|
||||
field(*f, "nr_blocks", value.nr_blocks_);
|
||||
field(*f, "nr_allocated", value.nr_allocated_);
|
||||
field(*f, "bitmap_root", value.bitmap_root_);
|
||||
field(*f, "ref_count_root", value.ref_count_root_);
|
||||
}
|
||||
};
|
||||
|
||||
// for displaying the writeset tree
|
||||
class writeset_show_traits : public era::era_detail_traits {
|
||||
public:
|
||||
@ -172,227 +123,26 @@ namespace {
|
||||
block_manager::ptr bm_;
|
||||
};
|
||||
|
||||
// FIXME: duplication
|
||||
template <typename ShowTraits>
|
||||
class show_btree_node : public dbg::command {
|
||||
public:
|
||||
explicit show_btree_node(block_manager::ptr bm)
|
||||
: bm_(bm) {
|
||||
}
|
||||
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
using namespace persistent_data::btree_detail;
|
||||
|
||||
if (args.size() != 2)
|
||||
throw runtime_error("incorrect number of arguments");
|
||||
|
||||
block_address block = boost::lexical_cast<block_address>(args[1]);
|
||||
block_manager::read_ref rr = bm_->read_lock(block);
|
||||
|
||||
node_ref<uint64_show_traits::value_trait> n = btree_detail::to_node<uint64_show_traits::value_trait>(rr);
|
||||
if (n.get_type() == INTERNAL)
|
||||
show_node<uint64_show_traits>(n, out);
|
||||
else {
|
||||
node_ref<typename ShowTraits::value_trait> n = btree_detail::to_node<typename ShowTraits::value_trait>(rr);
|
||||
show_node<ShowTraits>(n, out);
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
template <typename ST>
|
||||
void show_node(node_ref<typename ST::value_trait> n, ostream &out) {
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
|
||||
field(*f, "csum", n.get_checksum());
|
||||
field(*f, "blocknr", n.get_block_nr());
|
||||
field(*f, "type", n.get_type() == INTERNAL ? "internal" : "leaf");
|
||||
field(*f, "nr_entries", n.get_nr_entries());
|
||||
field(*f, "max_entries", n.get_max_entries());
|
||||
field(*f, "value_size", n.get_value_size());
|
||||
|
||||
for (unsigned i = 0; i < n.get_nr_entries(); i++) {
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
field(*f2, "key", n.key_at(i));
|
||||
ST::show(f2, "value", n.value_at(i));
|
||||
f->child(boost::lexical_cast<string>(i), f2);
|
||||
}
|
||||
|
||||
f->output(out, 0);
|
||||
}
|
||||
|
||||
block_manager::ptr bm_;
|
||||
};
|
||||
|
||||
// FIXME: duplication
|
||||
template <typename ShowTraits>
|
||||
class show_array_block : public dbg::command {
|
||||
typedef array_block<typename ShowTraits::value_trait, block_manager::read_ref> rblock;
|
||||
public:
|
||||
explicit show_array_block(block_manager::ptr bm,
|
||||
typename ShowTraits::ref_counter rc)
|
||||
: bm_(bm), rc_(rc) {
|
||||
}
|
||||
|
||||
virtual void exec(strings const& args, ostream &out) {
|
||||
if (args.size() != 2)
|
||||
throw runtime_error("incorrect number of arguments");
|
||||
|
||||
block_address block = boost::lexical_cast<block_address>(args[1]);
|
||||
block_manager::read_ref rr = bm_->read_lock(block);
|
||||
|
||||
rblock b(rr, rc_);
|
||||
show_array_entries(b, out);
|
||||
}
|
||||
|
||||
private:
|
||||
void show_array_entries(rblock const& b, ostream &out) {
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
uint32_t nr_entries = b.nr_entries();
|
||||
|
||||
field(*f, "max_entries", b.max_entries());
|
||||
field(*f, "nr_entries", nr_entries);
|
||||
field(*f, "value_size", b.value_size());
|
||||
|
||||
for (unsigned i = 0; i < nr_entries; i++) {
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
ShowTraits::show(f2, "value", b.get(i));
|
||||
f->child(boost::lexical_cast<string>(i), f2);
|
||||
}
|
||||
|
||||
f->output(out, 0);
|
||||
}
|
||||
|
||||
block_manager::ptr bm_;
|
||||
typename ShowTraits::ref_counter rc_;
|
||||
};
|
||||
|
||||
// FIXME: duplication
|
||||
class show_bitset_block : public dbg::command {
|
||||
typedef array_block<uint64_traits, block_manager::read_ref> rblock;
|
||||
public:
|
||||
explicit show_bitset_block(block_manager::ptr bm)
|
||||
: bm_(bm),
|
||||
BITS_PER_ARRAY_ENTRY(64) {
|
||||
}
|
||||
|
||||
virtual void exec(strings const& args, ostream &out) {
|
||||
if (args.size() != 2)
|
||||
throw runtime_error("incorrect number of arguments");
|
||||
|
||||
block_address block = boost::lexical_cast<block_address>(args[1]);
|
||||
block_manager::read_ref rr = bm_->read_lock(block);
|
||||
|
||||
rblock b(rr, rc_);
|
||||
show_bitset_entries(b, out);
|
||||
}
|
||||
|
||||
private:
|
||||
void show_bitset_entries(rblock const& b, ostream &out) {
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
uint32_t nr_entries = b.nr_entries();
|
||||
|
||||
field(*f, "max_entries", b.max_entries());
|
||||
field(*f, "nr_entries", nr_entries);
|
||||
field(*f, "value_size", b.value_size());
|
||||
|
||||
uint32_t end_pos = b.nr_entries() * BITS_PER_ARRAY_ENTRY;
|
||||
std::pair<uint32_t, uint32_t> range = next_set_bits(b, 0);
|
||||
for (; range.first < end_pos; range = next_set_bits(b, range.second)) {
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
field(*f2, "begin", range.first);
|
||||
field(*f2, "end", range.second);
|
||||
f->child("set_bits", f2);
|
||||
}
|
||||
|
||||
f->output(out, 0);
|
||||
}
|
||||
|
||||
// Returns the range of set bits, starts from the offset.
|
||||
pair<uint32_t, uint32_t> next_set_bits(rblock const &b, uint32_t offset) {
|
||||
uint32_t end_pos = b.nr_entries() * BITS_PER_ARRAY_ENTRY;
|
||||
uint32_t begin = find_first_set(b, offset);
|
||||
|
||||
if (begin == end_pos) // not found
|
||||
return make_pair(end_pos, end_pos);
|
||||
|
||||
uint32_t end = find_first_unset(b, begin + 1);
|
||||
return make_pair(begin, end);
|
||||
}
|
||||
|
||||
// Returns the position (zero-based) of the first bit set
|
||||
// in the array block, starts from the offset.
|
||||
// Returns the pass-the-end position if not found.
|
||||
uint32_t find_first_set(rblock const &b, uint32_t offset) {
|
||||
uint32_t entry = offset / BITS_PER_ARRAY_ENTRY;
|
||||
uint32_t nr_entries = b.nr_entries();
|
||||
|
||||
if (entry >= nr_entries)
|
||||
return entry * BITS_PER_ARRAY_ENTRY;
|
||||
|
||||
uint32_t idx = offset % BITS_PER_ARRAY_ENTRY;
|
||||
uint64_t v = b.get(entry++) >> idx;
|
||||
while (!v && entry < nr_entries) {
|
||||
v = b.get(entry++);
|
||||
idx = 0;
|
||||
}
|
||||
|
||||
if (!v) // not found
|
||||
return entry * BITS_PER_ARRAY_ENTRY;
|
||||
|
||||
return (entry - 1) * BITS_PER_ARRAY_ENTRY + idx + ffsll(static_cast<long long>(v)) - 1;
|
||||
}
|
||||
|
||||
// Returns the position (zero-based) of the first zero bit
|
||||
// in the array block, starts from the offset.
|
||||
// Returns the pass-the-end position if not found.
|
||||
// FIXME: improve efficiency
|
||||
uint32_t find_first_unset(rblock const& b, uint32_t offset) {
|
||||
uint32_t entry = offset / BITS_PER_ARRAY_ENTRY;
|
||||
uint32_t nr_entries = b.nr_entries();
|
||||
|
||||
if (entry >= nr_entries)
|
||||
return entry * BITS_PER_ARRAY_ENTRY;
|
||||
|
||||
uint32_t idx = offset % BITS_PER_ARRAY_ENTRY;
|
||||
uint64_t v = b.get(entry++);
|
||||
while (all_bits_set(v, idx) && entry < nr_entries) {
|
||||
v = b.get(entry++);
|
||||
idx = 0;
|
||||
}
|
||||
|
||||
if (all_bits_set(v, idx)) // not found
|
||||
return entry * BITS_PER_ARRAY_ENTRY;
|
||||
|
||||
return (entry - 1) * BITS_PER_ARRAY_ENTRY + idx + count_leading_bits(v, idx);
|
||||
}
|
||||
|
||||
// Returns true if all the bits beyond the position are set.
|
||||
bool all_bits_set(uint64_t v, uint32_t offset) {
|
||||
return (v >> offset) == (numeric_limits<uint64_t>::max() >> offset);
|
||||
}
|
||||
|
||||
// Counts the number of leading 1's in the given value, starts from the offset
|
||||
// FIXME: improve efficiency
|
||||
uint32_t count_leading_bits(uint64_t v, uint32_t offset) {
|
||||
uint32_t count = 0;
|
||||
|
||||
v >>= offset;
|
||||
while (v & 0x1) {
|
||||
v >>= 1;
|
||||
count++;
|
||||
}
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
block_manager::ptr bm_;
|
||||
uint64_traits::ref_counter rc_;
|
||||
|
||||
const uint32_t BITS_PER_ARRAY_ENTRY;
|
||||
};
|
||||
|
||||
//--------------------------------
|
||||
|
||||
template <typename ShowTraits>
|
||||
dbg::command::ptr
|
||||
create_btree_node_handler(block_manager::ptr bm) {
|
||||
return create_block_handler(bm, create_btree_node_dumper<ShowTraits>());
|
||||
}
|
||||
|
||||
template <typename ShowTraits>
|
||||
dbg::command::ptr
|
||||
create_array_block_handler(block_manager::ptr bm,
|
||||
typename ShowTraits::value_trait::ref_counter rc) {
|
||||
return create_block_handler(bm, create_array_block_dumper<ShowTraits>(rc));
|
||||
}
|
||||
|
||||
dbg::command::ptr
|
||||
create_bitset_block_handler(block_manager::ptr bm) {
|
||||
return create_block_handler(bm, create_bitset_block_dumper());
|
||||
}
|
||||
|
||||
int debug(string const &path) {
|
||||
using dbg::command;
|
||||
|
||||
@ -400,15 +150,15 @@ namespace {
|
||||
block_manager::ptr bm = open_bm(path, block_manager::READ_ONLY);
|
||||
transaction_manager::ptr null_tm = open_tm(bm, era::SUPERBLOCK_LOCATION);
|
||||
command_interpreter::ptr interp = create_command_interpreter(cin, cout);
|
||||
interp->register_command("hello", command::ptr(new hello));
|
||||
interp->register_command("hello", create_hello_handler());
|
||||
interp->register_command("superblock", command::ptr(new show_superblock(bm)));
|
||||
interp->register_command("block_node", command::ptr(new show_btree_node<uint64_show_traits>(bm)));
|
||||
interp->register_command("bitset_block", command::ptr(new show_bitset_block(bm)));
|
||||
interp->register_command("era_block", command::ptr(new show_array_block<uint32_show_traits>(bm,
|
||||
uint32_show_traits::ref_counter())));
|
||||
interp->register_command("writeset_node", command::ptr(new show_btree_node<writeset_show_traits>(bm)));
|
||||
interp->register_command("block_node", create_btree_node_handler<uint64_show_traits>(bm));
|
||||
interp->register_command("bitset_block", create_bitset_block_handler(bm));
|
||||
interp->register_command("era_block", create_array_block_handler<uint32_show_traits>(bm,
|
||||
uint32_traits::ref_counter()));
|
||||
interp->register_command("writeset_node", create_btree_node_handler<writeset_show_traits>(bm));
|
||||
interp->register_command("help", command::ptr(new help));
|
||||
interp->register_command("exit", command::ptr(new exit_handler(interp)));
|
||||
interp->register_command("exit", create_exit_handler(interp));
|
||||
interp->enter_main_loop();
|
||||
|
||||
} catch (std::exception &e) {
|
||||
|
@ -21,11 +21,14 @@
|
||||
#include <iostream>
|
||||
#include <string>
|
||||
|
||||
#include "base/command_interpreter.h"
|
||||
#include "base/math_utils.h"
|
||||
#include "base/output_formatter.h"
|
||||
#include "persistent-data/data-structures/btree.h"
|
||||
#include "persistent-data/data-structures/simple_traits.h"
|
||||
#include "dbg-lib/array_block_dumper.h"
|
||||
#include "dbg-lib/btree_node_dumper.h"
|
||||
#include "dbg-lib/index_block_dumper.h"
|
||||
#include "dbg-lib/command_interpreter.h"
|
||||
#include "dbg-lib/commands.h"
|
||||
#include "dbg-lib/output_formatter.h"
|
||||
#include "dbg-lib/sm_show_traits.h"
|
||||
#include "persistent-data/file_utils.h"
|
||||
#include "persistent-data/space-maps/disk_structures.h"
|
||||
#include "thin-provisioning/commands.h"
|
||||
@ -39,12 +42,6 @@ using namespace std;
|
||||
using namespace thin_provisioning;
|
||||
|
||||
namespace {
|
||||
class hello : public dbg::command {
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
out << "Hello, world!" << endl;
|
||||
}
|
||||
};
|
||||
|
||||
class help : public dbg::command {
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
out << "Commands:" << endl
|
||||
@ -58,31 +55,6 @@ namespace {
|
||||
}
|
||||
};
|
||||
|
||||
class exit_handler : public dbg::command {
|
||||
public:
|
||||
exit_handler(command_interpreter::ptr interpreter)
|
||||
: interpreter_(interpreter) {
|
||||
}
|
||||
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
out << "Goodbye!" << endl;
|
||||
interpreter_->exit_main_loop();
|
||||
}
|
||||
|
||||
command_interpreter::ptr interpreter_;
|
||||
};
|
||||
|
||||
class sm_root_show_traits : public persistent_data::sm_disk_detail::sm_root_traits {
|
||||
public:
|
||||
static void show(formatter::ptr f, string const &key,
|
||||
persistent_data::sm_disk_detail::sm_root const &value) {
|
||||
field(*f, "nr_blocks", value.nr_blocks_);
|
||||
field(*f, "nr_allocated", value.nr_allocated_);
|
||||
field(*f, "bitmap_root", value.bitmap_root_);
|
||||
field(*f, "ref_count_root", value.ref_count_root_);
|
||||
}
|
||||
};
|
||||
|
||||
class show_superblock : public dbg::command {
|
||||
public:
|
||||
explicit show_superblock(block_manager::ptr bm)
|
||||
@ -142,7 +114,7 @@ namespace {
|
||||
block_manager::ptr bm_;
|
||||
};
|
||||
|
||||
class device_details_show_traits : public thin_provisioning::device_tree_detail::device_details_traits {
|
||||
class device_details_show_traits {
|
||||
public:
|
||||
typedef thin_provisioning::device_tree_detail::device_details_traits value_trait;
|
||||
|
||||
@ -155,16 +127,7 @@ namespace {
|
||||
}
|
||||
};
|
||||
|
||||
class uint64_show_traits : public uint64_traits {
|
||||
public:
|
||||
typedef uint64_traits value_trait;
|
||||
|
||||
static void show(formatter::ptr f, string const &key, uint64_t const &value) {
|
||||
field(*f, key, boost::lexical_cast<string>(value));
|
||||
}
|
||||
};
|
||||
|
||||
class block_show_traits : public thin_provisioning::mapping_tree_detail::block_traits {
|
||||
class block_show_traits {
|
||||
public:
|
||||
typedef thin_provisioning::mapping_tree_detail::block_traits value_trait;
|
||||
|
||||
@ -175,114 +138,18 @@ namespace {
|
||||
}
|
||||
};
|
||||
|
||||
class index_entry_show_traits : public persistent_data::sm_disk_detail::index_entry_traits {
|
||||
public:
|
||||
typedef persistent_data::sm_disk_detail::index_entry_traits value_trait;
|
||||
|
||||
static void show(formatter::ptr f, string const &key,
|
||||
persistent_data::sm_disk_detail::index_entry const &value) {
|
||||
field(*f, "blocknr", value.blocknr_);
|
||||
field(*f, "nr_free", value.nr_free_);
|
||||
field(*f, "none_free_before", value.none_free_before_);
|
||||
}
|
||||
};
|
||||
//--------------------------------
|
||||
|
||||
template <typename ShowTraits>
|
||||
class show_btree_node : public dbg::command {
|
||||
public:
|
||||
explicit show_btree_node(block_manager::ptr bm)
|
||||
: bm_(bm) {
|
||||
}
|
||||
dbg::command::ptr
|
||||
create_btree_node_handler(block_manager::ptr bm) {
|
||||
return create_block_handler(bm, create_btree_node_dumper<ShowTraits>());
|
||||
}
|
||||
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
using namespace persistent_data::btree_detail;
|
||||
|
||||
if (args.size() != 2)
|
||||
throw runtime_error("incorrect number of arguments");
|
||||
|
||||
block_address block = boost::lexical_cast<block_address>(args[1]);
|
||||
block_manager::read_ref rr = bm_->read_lock(block);
|
||||
|
||||
node_ref<uint64_show_traits::value_trait> n = btree_detail::to_node<uint64_show_traits::value_trait>(rr);
|
||||
if (n.get_type() == INTERNAL)
|
||||
show_node<uint64_show_traits>(n, out);
|
||||
else {
|
||||
node_ref<typename ShowTraits::value_trait> n = btree_detail::to_node<typename ShowTraits::value_trait>(rr);
|
||||
show_node<ShowTraits>(n, out);
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
template <typename ST>
|
||||
void show_node(node_ref<typename ST::value_trait> n, ostream &out) {
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
|
||||
field(*f, "csum", n.get_checksum());
|
||||
field(*f, "blocknr", n.get_block_nr());
|
||||
field(*f, "type", n.get_type() == INTERNAL ? "internal" : "leaf");
|
||||
field(*f, "nr_entries", n.get_nr_entries());
|
||||
field(*f, "max_entries", n.get_max_entries());
|
||||
field(*f, "value_size", n.get_value_size());
|
||||
|
||||
for (unsigned i = 0; i < n.get_nr_entries(); i++) {
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
field(*f2, "key", n.key_at(i));
|
||||
ST::show(f2, "value", n.value_at(i));
|
||||
f->child(boost::lexical_cast<string>(i), f2);
|
||||
}
|
||||
|
||||
f->output(out, 0);
|
||||
}
|
||||
|
||||
block_manager::ptr bm_;
|
||||
};
|
||||
|
||||
class show_index_block : public dbg::command {
|
||||
public:
|
||||
explicit show_index_block(block_manager::ptr bm)
|
||||
: bm_(bm) {
|
||||
}
|
||||
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
if (args.size() != 2)
|
||||
throw runtime_error("incorrect number of arguments");
|
||||
|
||||
block_address block = boost::lexical_cast<block_address>(args[1]);
|
||||
|
||||
// no checksum validation for debugging purpose
|
||||
block_manager::read_ref rr = bm_->read_lock(block);
|
||||
|
||||
sm_disk_detail::metadata_index const *mdi =
|
||||
reinterpret_cast<sm_disk_detail::metadata_index const *>(rr.data());
|
||||
show_metadata_index(mdi, sm_disk_detail::MAX_METADATA_BITMAPS, out);
|
||||
}
|
||||
|
||||
private:
|
||||
void show_metadata_index(sm_disk_detail::metadata_index const *mdi, block_address nr_indexes, ostream &out) {
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
field(*f, "csum", to_cpu<uint32_t>(mdi->csum_));
|
||||
field(*f, "padding", to_cpu<uint32_t>(mdi->padding_));
|
||||
field(*f, "blocknr", to_cpu<uint64_t>(mdi->blocknr_));
|
||||
|
||||
sm_disk_detail::index_entry ie;
|
||||
for (block_address i = 0; i < nr_indexes; i++) {
|
||||
sm_disk_detail::index_entry_traits::unpack(*(mdi->index + i), ie);
|
||||
|
||||
if (!ie.blocknr_ && !ie.nr_free_ && !ie.none_free_before_)
|
||||
continue;
|
||||
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
index_entry_show_traits::show(f2, "value", ie);
|
||||
f->child(boost::lexical_cast<string>(i), f2);
|
||||
}
|
||||
f->output(out, 0);
|
||||
}
|
||||
|
||||
unsigned const ENTRIES_PER_BLOCK = (MD_BLOCK_SIZE - sizeof(persistent_data::sm_disk_detail::bitmap_header)) * 4;
|
||||
block_manager::ptr bm_;
|
||||
};
|
||||
|
||||
//--------------------------------
|
||||
dbg::command::ptr
|
||||
create_index_block_handler(block_manager::ptr bm) {
|
||||
return create_block_handler(bm, create_index_block_dumper());
|
||||
}
|
||||
|
||||
int debug_(string const &path) {
|
||||
using dbg::command;
|
||||
@ -290,15 +157,15 @@ namespace {
|
||||
try {
|
||||
block_manager::ptr bm = open_bm(path, block_manager::READ_ONLY, 1);
|
||||
command_interpreter::ptr interp = create_command_interpreter(cin, cout);
|
||||
interp->register_command("hello", command::ptr(new hello));
|
||||
interp->register_command("hello", create_hello_handler());
|
||||
interp->register_command("superblock", command::ptr(new show_superblock(bm)));
|
||||
interp->register_command("m1_node", command::ptr(new show_btree_node<uint64_show_traits>(bm)));
|
||||
interp->register_command("m2_node", command::ptr(new show_btree_node<block_show_traits>(bm)));
|
||||
interp->register_command("detail_node", command::ptr(new show_btree_node<device_details_show_traits>(bm)));
|
||||
interp->register_command("index_block", command::ptr(new show_index_block(bm)));
|
||||
interp->register_command("index_node", command::ptr(new show_btree_node<index_entry_show_traits>(bm)));
|
||||
interp->register_command("m1_node", create_btree_node_handler<uint64_show_traits>(bm));
|
||||
interp->register_command("m2_node", create_btree_node_handler<block_show_traits>(bm));
|
||||
interp->register_command("detail_node", create_btree_node_handler<device_details_show_traits>(bm));
|
||||
interp->register_command("index_block", create_index_block_handler(bm));
|
||||
interp->register_command("index_node", create_btree_node_handler<index_entry_show_traits>(bm));
|
||||
interp->register_command("help", command::ptr(new help));
|
||||
interp->register_command("exit", command::ptr(new exit_handler(interp)));
|
||||
interp->register_command("exit", create_exit_handler(interp));
|
||||
interp->enter_main_loop();
|
||||
|
||||
} catch (std::exception &e) {
|
||||
|
Loading…
Reference in New Issue
Block a user