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Move packet_tracker.cc under maxscale

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It depends on MaxScale-types. This also removes the maxsql-pcre2-dependency.
This commit is contained in:
Esa Korhonen
2019-09-16 15:15:59 +03:00
parent 1f26189ddd
commit 78cc5b2445
8 changed files with 7 additions and 10 deletions
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2
maxutils/maxsql/include/maxsql/CMakeLists.txt
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@ -1,4 +1,2 @@
install_header(mariadb.hh devel)
install_header(ccdefs.hh devel)
install_header(packet_tracker.hh devel)
install_header(mysql_plus.hh devel)

1394
maxutils/maxsql/include/maxsql/mysql_plus.hh
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83
maxutils/maxsql/include/maxsql/packet_tracker.hh
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@ -1,83 +0,0 @@
/*
* Copyright (c) 2019 MariaDB Corporation Ab
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
*
* Change Date: 2023-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2 or later of the General
* Public License.
*/
#pragma once
#include <maxscale/ccdefs.hh>
struct GWBUF;
namespace maxsql
{
class ComResponse;
// TODO add documentation
class PacketTracker
{
public:
// The State reflects the response status. For the unlikely event that the query is split, but
// no response is expected, the tracker may still be waiting for packets from the client while
// m_state = Done. The function expecting_more_packets() would return true in this case.
// TODO, maybe, rename to ResponseState.
enum class State {FirstPacket, Field, FieldEof, Row,
ComFieldList, ComStatistics, ComStmtFetch,
Done, ErrorPacket, Error};
PacketTracker() = default;
explicit PacketTracker(GWBUF* pQuery); // Track this query
PacketTracker(const PacketTracker&) = delete;
PacketTracker& operator=(const PacketTracker&) = delete;
PacketTracker(PacketTracker&&) = default;
PacketTracker& operator=(PacketTracker&&) = default;
bool update_request(GWBUF* pPacket); // Updates the query (must be a split packet)
void update_response(GWBUF* pPacket); // Update as response packets are received.
bool expecting_request_packets() const;
bool expecting_response_packets() const;
bool expecting_more_packets() const;
State state() const;
private:
// State functions.
State first_packet(const ComResponse& response);
State field(const ComResponse& response);
State field_eof(const ComResponse& response);
State row(const ComResponse& response);
State com_field_list(const ComResponse& response);
State com_statistics(const ComResponse& response);
State com_stmt_fetch(const ComResponse& response);
State expect_no_response_packets(const ComResponse& response); // states: Done, ErrorPacket, Error
State m_state = State::Error;
bool m_client_com_packet_internal = false;
bool m_server_com_packet_internal = false;
bool m_expect_more_split_query_packets = false;
int m_command;
int m_total_fields;
int m_field_count;
};
inline PacketTracker::State PacketTracker::state() const
{
return m_state;
}
std::ostream& operator<<(std::ostream&, PacketTracker::State state);
}