85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
#include "thin-provisioning/emitter.h"
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using namespace std;
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using namespace thin_provisioning;
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//----------------------------------------------------------------
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namespace {
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template <typename T>
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std::ostream &operator << (ostream &out, boost::optional<T> const &maybe) {
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if (maybe)
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out << *maybe;
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return out;
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}
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class old_emitter : public emitter {
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public:
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old_emitter(ostream &out)
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: out_(out) {
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}
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void begin_superblock(string const &uuid,
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uint64_t time,
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uint64_t trans_id,
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boost::optional<uint32_t> flags,
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boost::optional<uint32_t> version,
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uint32_t data_block_size,
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uint64_t nr_data_blocks,
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boost::optional<uint64_t> metadata_snap) {
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data_block_size_ = data_block_size;
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}
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void end_superblock() {
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}
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void begin_device(uint32_t dev_id,
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uint64_t mapped_blocks,
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uint64_t trans_id,
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uint64_t creation_time,
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uint64_t snap_time) {
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}
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void end_device() {
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}
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void begin_named_mapping(string const &name) {
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}
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void end_named_mapping() {
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}
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void identifier(string const &name) {
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}
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void range_map(uint64_t origin_begin, uint64_t data_begin, uint32_t time, uint64_t len) {
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out_ << (data_block_size_ << 9)*origin_begin
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<< ":" << (data_block_size_ << 9)*len
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<< ":" << (data_block_size_ << 9)*data_begin
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<< endl;
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}
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void single_map(uint64_t origin_block, uint64_t data_block, uint32_t time) {
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out_ << (data_block_size_ << 9)*origin_block
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<< ":" << (data_block_size_ << 9)
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<< ":" << (data_block_size_ << 9)*data_block
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<< endl;
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}
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private:
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ostream &out_;
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uint64_t data_block_size_;
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};
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}
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//----------------------------------------------------------------
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extern "C" {
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emitter::ptr create_emitter(ostream &out) {
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return emitter::ptr(new old_emitter(out));
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}
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}
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//----------------------------------------------------------------
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