/usr/include/dballe/db/sql/levtr.h is in libdballe-dev 7.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | /*
* db/levtr - level-timerange table implementation
*
* Copyright (C) 2005--2015 ARPA-SIM <urpsim@smr.arpa.emr.it>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Enrico Zini <enrico@enricozini.com>
*/
#ifndef DBALLE_DB_SQL_LEVTR_H
#define DBALLE_DB_SQL_LEVTR_H
#include <dballe/core/defs.h>
#include <memory>
#include <cstdio>
namespace dballe {
struct Record;
struct Msg;
namespace msg {
struct Context;
}
namespace db {
struct Connection;
struct Statement;
namespace sql {
/**
* Precompiled queries to manipulate the lev_tr table
*/
struct LevTr
{
struct DBRow
{
/// lev_tr ID SQL parameter
int id;
/// First level type SQL parameter
int ltype1;
/// Level L1 SQL parameter
int l1;
/// Second level type SQL parameter
int ltype2;
/// Level L2 SQL parameter
int l2;
/// Time range type SQL parameter
int pind;
/// Time range P1 SQL parameter
int p1;
/// Time range P2 SQL parameter
int p2;
};
virtual ~LevTr();
/**
* Return the ID for the given Level and Trange, adding it to the database
* if it does not already exist
*/
virtual int obtain_id(const Level& lev, const Trange& tr) = 0;
/// Read the LevTr data for an id, returns nullptr if not found
virtual const DBRow* read(int id) = 0;
/// Read the contents of the LevTr table
virtual void read_all(std::function<void(const DBRow&)> dest) = 0;
/// Dump the entire contents of the table to an output stream
virtual void dump(FILE* out) = 0;
};
struct LevTrCache
{
virtual ~LevTrCache();
/**
* Fill a record with level/timerange info with this id.
*
* @return true if found, else false
*/
virtual bool to_rec(int id, Record& rec) = 0;
/// Return a Level for this ID
virtual Level to_level(int id) const = 0;
/// Return a Trange for this ID
virtual Trange to_trange(int id) const = 0;
/**
* Get/create a Context in the Msg for this level/timerange.
*
* @returns the context, or 0 if the id is not valid.
*/
virtual msg::Context* to_msg(int id, Msg& msg) = 0;
/// Invalidate the cache
virtual void invalidate() = 0;
/// Dump cache contents to an output stream
virtual void dump(FILE* out) const = 0;
/// Create a new LevTrCache for this LevTr
static std::unique_ptr<LevTrCache> create(LevTr& levtr);
};
}
}
}
#endif
|