lib/wsrep-lib
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Collect and append SR commit keys.

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This commit is contained in:
Teemu Ollakka
2018-07-09 20:16:31 +03:00
parent 6f68c70d37
commit 8c4a786f79
3 changed files with 87 additions and 3 deletions
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44
include/wsrep/sr_key_set.hpp Normal file
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@ -0,0 +1,44 @@
//
// Copyright (C) 2018 Codership Oy <info@codership.com>
//
#ifndef WSREP_SR_KEY_SET_HPP
#define WSREP_SR_KEY_SET_HPP
#include <set>
#include <map>
namespace wsrep
{
class sr_key_set
{
public:
typedef std::set<std::string> leaf_type;
typedef std::map<std::string, leaf_type > branch_type;
sr_key_set()
: root_()
{ }
void insert(const wsrep::key& key)
{
assert(key.size() == 3);
if (key.size() < 3)
{
throw wsrep::runtime_error("Invalid key size");
}
root_[std::string(
static_cast<const char*>(key.key_parts()[0].data()),
key.key_parts()[0].size())].insert(
std::string(static_cast<const char*>(key.key_parts()[1].data()),
key.key_parts()[1].size()));
}
const branch_type& root() const { return root_; }
void clear() { root_.clear(); }
private:
branch_type root_;
};
}
#endif // WSREP_KEY_SET_HPP

3
include/wsrep/transaction.hpp
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@ -11,6 +11,7 @@
#include "transaction_id.hpp"
#include "streaming_context.hpp"
#include "lock.hpp"
#include "sr_key_set.hpp"
#include <cassert>
#include <vector>
@ -149,6 +150,7 @@ namespace wsrep
void flags(int flags) { flags_ = flags; }
int certify_fragment(wsrep::unique_lock<wsrep::mutex>&);
int certify_commit(wsrep::unique_lock<wsrep::mutex>&);
int append_sr_keys_for_commit();
void streaming_rollback();
void clear_fragments();
void cleanup();
@ -169,6 +171,7 @@ namespace wsrep
bool pa_unsafe_;
bool certified_;
wsrep::streaming_context streaming_context_;
wsrep::sr_key_set sr_keys_;
};
static inline const char* to_c_string(enum wsrep::transaction::state state)