src/PosixMQHandler.h
author František Kučera <franta-hg@frantovo.cz>
Fri, 04 Mar 2022 01:40:50 +0100
branchv_0
changeset 2 fc9911b1d295
parent 0 a64022f9684e
child 3 be6f2e307a65
permissions -rw-r--r--
send messages to PosixMQ: currently each attribute in one message
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     1
/**
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     2
 * Relational pipes
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     3
 * Copyright © 2022 František Kučera (Frantovo.cz, GlobalCode.info)
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     4
 *
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     5
 * This program is free software: you can redistribute it and/or modify
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     6
 * it under the terms of the GNU General Public License as published by
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     7
 * the Free Software Foundation, version 3 of the License.
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     8
 *
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     9
 * This program is distributed in the hope that it will be useful,
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    10
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    12
 * GNU General Public License for more details.
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    13
 *
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    14
 * You should have received a copy of the GNU General Public License
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    15
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    16
 */
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    17
#pragma once
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    18
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    19
#include <memory>
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    20
#include <string>
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    21
#include <vector>
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    22
#include <iostream>
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    23
#include <sstream>
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    24
#include <locale>
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    25
#include <codecvt>
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    26
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    27
#include <relpipe/common/type/typedefs.h>
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    28
#include <relpipe/reader/TypeId.h>
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    29
#include <relpipe/reader/handlers/RelationalReaderStringHandler.h>
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    30
#include <relpipe/reader/handlers/AttributeMetadata.h>
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    31
2
fc9911b1d295 send messages to PosixMQ: currently each attribute in one message
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    32
#include "PosixMQ.h"
fc9911b1d295 send messages to PosixMQ: currently each attribute in one message
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    33
0
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    34
namespace relpipe {
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    35
namespace out {
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    36
namespace posixmq {
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    37
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    38
class PosixMQHandler : public relpipe::reader::handlers::RelationalReaderStringHandler {
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    39
private:
2
fc9911b1d295 send messages to PosixMQ: currently each attribute in one message
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    40
	std::wstring_convert<codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings.
fc9911b1d295 send messages to PosixMQ: currently each attribute in one message
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    41
	shared_ptr<PosixMQ> mq;
fc9911b1d295 send messages to PosixMQ: currently each attribute in one message
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    42
0
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    43
public:
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    44
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    45
	PosixMQHandler(std::ostream& output) {
2
fc9911b1d295 send messages to PosixMQ: currently each attribute in one message
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    46
		relpipe::common::type::StringX queueName = L"/relpipe";
fc9911b1d295 send messages to PosixMQ: currently each attribute in one message
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    47
		mq.reset(PosixMQ::open(convertor.to_bytes(queueName)));
fc9911b1d295 send messages to PosixMQ: currently each attribute in one message
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    48
0
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    49
	}
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    50
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    51
	void startRelation(relpipe::common::type::StringX name, std::vector<relpipe::reader::handlers::AttributeMetadata> attributes) override {
2
fc9911b1d295 send messages to PosixMQ: currently each attribute in one message
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    52
0
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    53
	}
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    54
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    55
	void attribute(const relpipe::common::type::StringX& value) override {
2
fc9911b1d295 send messages to PosixMQ: currently each attribute in one message
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    56
		// TODO: send only certain attributes
fc9911b1d295 send messages to PosixMQ: currently each attribute in one message
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    57
		mq->send(convertor.to_bytes(value));
0
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    58
	}
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    59
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    60
	void endOfPipe() {
2
fc9911b1d295 send messages to PosixMQ: currently each attribute in one message
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    61
0
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    62
	}
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    63
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    64
};
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    65
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    66
}
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    67
}
a64022f9684e new project relpipe-out-posixmq
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    68
}