mirror of
https://github.com/swift-server/RediStack.git
synced 2026-05-03 07:32:28 +00:00
Fabian Fett
018a9b9626
We want to be able to efficiently encode Redis commands that are sent to a server. This patch adds a new `RedisCommandEncoder` that allows us to efficiently create Redis commands without needing to go through RESP representations, that may require us to create Arrays. Further it introduces a `RESP3BlobStringEncodable` that must be implement to send blob strings using `RedisCommandEncoder`. This patch also adds implementations for `String` and `ByteBuffer` for the new `RESP3BlobStringEncodable` protocol.
84 lines
2.3 KiB
Bash
Executable File
84 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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##===----------------------------------------------------------------------===##
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##
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## This source file is part of the RediStack open source project
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##
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## Copyright (c) 2023 RediStack project authors
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## Licensed under Apache License v2.0
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##
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## See LICENSE.txt for license information
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## See CONTRIBUTORS.txt for the list of RediStack project authors
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##
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## SPDX-License-Identifier: Apache-2.0
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##
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##===----------------------------------------------------------------------===##
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set -eu
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here="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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function genWithContextParameter() {
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how_many=$1
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if [[ $how_many -ne 1 ]] ; then
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echo ""
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fi
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echo " @inlinable"
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echo -n " mutating func encodeRESPArray<T0: RESP3BlobStringEncodable"
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for ((n = 1; n<$how_many; n +=1)); do
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echo -n ", T$(($n)): RESP3BlobStringEncodable"
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done
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echo -n ">(_ t0: T0"
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for ((n = 1; n<$how_many; n +=1)); do
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echo -n ", _ t$(($n)): T$(($n))"
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done
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echo ") {"
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echo " self.buffer.writeBytes(\"*"$how_many"\\r\\n\".utf8)"
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for ((n = 0; n<$how_many; n +=1)); do
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echo " t$(($n)).encodeRedisBlobString(into: &self.buffer)"
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done
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echo " }"
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}
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grep -q "ByteBuffer" "${BASH_SOURCE[0]}" || {
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echo >&2 "ERROR: ${BASH_SOURCE[0]}: file or directory not found (this should be this script)"
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exit 1
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}
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{
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cat <<"EOF"
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//===----------------------------------------------------------------------===//
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//
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// This source file is part of the RediStack open source project
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//
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// Copyright (c) 2023 RediStack project authors
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// Licensed under Apache License v2.0
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//
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// See LICENSE.txt for license information
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// See CONTRIBUTORS.txt for the list of RediStack project authors
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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//===----------------------------------------------------------------------===//
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//
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// NOTE: THIS FILE IS AUTO-GENERATED BY scripts/generate_rediscommandencoder_multi_encode.sh
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EOF
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echo
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echo "#if swift(<5.9)"
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echo "extension RedisCommandEncoder {"
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# note:
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# - widening the inverval below (eg. going from {1..15} to {1..25}) is Semver minor
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# - narrowing the interval below is SemVer _MAJOR_!
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for n in {1..7}; do
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genWithContextParameter "$n"
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done
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echo "}"
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echo "#endif"
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} > "$here/../Sources/RediStack/RedisCommandEncoder-multi-encode.swift"
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