Signed-off-by: shenmo <jifengshenmo@outlook.com>
This commit is contained in:
shenmo 2025-03-28 17:29:29 +00:00 committed by Gitee
parent 564966daef
commit f2cafe0567
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GPG Key ID: 173E9B9CA92EEF8F

@ -430,52 +430,40 @@ get_uris(){
CLEANUP_STATE="$?"
if [ "$CLEANUP_STATE" -ne 0 ]
then
msg "Package manager quit with exit code.Here is the log" "warning"
msg "Package manager quit with exit code. Here is the log" "warning"
msg "包管理器以错误代码退出.日志如下" "warning"
msg "${uris_full}"
exit "$CLEANUP_STATE"
fi
prepare_auth
local tmpdir=$(mktemp -d) || {
local tmpdir
tmpdir=$(mktemp -d) || {
msg "Failed to create tmp dir" "warning"
msg "无法创建临时目录" "warning"
exit 1
}
## --print-uris format is:
# 'fileurl' filename filesize checksum_hint:filechecksum
# 修改process_package函数增加第二个参数表示当前线程的临时输出文件
process_package() {
local pkg_uri_info="$@"
local display_line="" # 添加局部变量并初始化为空
local pkg_uri_info="$1"
local thread_file="$2"
local display_line="" # 初始化显示信息为空
IFS=' ' read -r uri filename filesize checksum_string _ <<<"$pkg_uri_info"
[ -z "$uri" ] && continue
[ -z "$uri" ] && return
uri="${uri//"'"/}"
[ "$APT_FAST_APT_AUTH" -ne 0 ] && uri="$(get_auth "$uri")"
IFS=':' read -r hash_algo checksum _ <<<"$checksum_string"
if [[ "$filename" == *%* ]]; then
# decode url string
# translates %xx but must not convert '+' in spaces
filename_decoded="$(printf '%b' "${filename//%/\\x}")"
else
# most filenames do not contain %, so skip decoding them to improve the performance.
# the overhead of decoding is >1ms due to the use of subshell and printf, while the one of assignment is ~1us.
filename_decoded="$filename"
fi
IFS='_' read -r pkg_name_decoded pkg_version_decoded _ <<<"$filename_decoded"
display_line+="$pkg_name_decoded $pkg_version_decoded $filesize\n"
## whole uri comes encoded (urlencoded). Filename must NOT be decoded because
# plain aptitude do not decode it when download and install it. Therefore, we
# will have ugly named packages at /var/cache/apt/archives but is the standard
# behavior.
# But package version must be decoded, otherways package=version calls will
# not work.
if [ -n "$HASH_SUPPORTED" ]; then
case "$hash_algo" in
SHA512) [ -z "$SHA512_SUPPORTED" ] && hash_algo= || hash_algo=sha-512 ;;
@ -530,30 +518,27 @@ get_uris(){
hash_algo=
fi
# 原来利用文件锁写入,现在改为写入当前线程的临时文件
{
get_mirrors "$uri"
[ -n "$hash_algo" ] && echo " checksum=$hash_algo=$checksum"
echo " out=$filename"
} >> "$thread_file"
# 使用文件锁安全写入下载列表
(
flock -x 200 # 获取排他锁
{
get_mirrors "$uri"
[ -n "$hash_algo" ] && echo " checksum=$hash_algo=$checksum"
echo " out=$filename"
} >> "$DLLIST"
) 200>>"$DLLIST" # 使用文件描述符200关联锁文件
# 将显示信息和文件大小存入临时文件
echo "$display_line" >> "$tmpdir/display"
echo -e "$display_line" >> "$tmpdir/display"
echo "$filesize" >> "$tmpdir/sizes"
}
# 主并行处理逻辑(新增线程控制)
# 主并行处理逻辑
mapfile -t pkg_uri_list < <(echo "$uris_full" | grep -E "^'(http(s|)|(s|)ftp)://")
total_pkgs=${#pkg_uri_list[@]}
threads=${THREADS:-4} # 默认4线程
per_thread=$(( (total_pkgs + threads - 1) / threads )) # 向上取整
# 分割任务到不同线程
# 分配任务到不同线程,每个线程使用自己的临时文件
for ((i=0; i<threads; i++)); do
thread_file="${DLLIST}.thread.${i}"
> "$thread_file" # 清空或创建临时文件
start=$((i * per_thread))
end=$((start + per_thread -1))
[ $end -ge $total_pkgs ] && end=$((total_pkgs -1))
@ -562,7 +547,7 @@ get_uris(){
(
for ((j=start; j<=end; j++)); do
[ -z "${pkg_uri_list[j]}" ] && continue
process_package "${pkg_uri_list[j]}"
process_package "${pkg_uri_list[j]}" "$thread_file"
done
) &
done
@ -570,6 +555,15 @@ get_uris(){
# 等待所有后台任务完成
wait
# 合并所有线程的临时文件到最终的 $DLLIST 中(保留之前添加的 header
for ((i=0; i<threads; i++)); do
thread_file="${DLLIST}.thread.${i}"
if [ -f "$thread_file" ]; then
cat "$thread_file" >> "$DLLIST"
rm -f "$thread_file"
fi
done
# 合并显示信息
if [ -f "$tmpdir/display" ]; then
DOWNLOAD_DISPLAY+="\n$(cat "$tmpdir/display")"
@ -582,12 +576,10 @@ get_uris(){
# 清理临时目录
rm -rf "$tmpdir"
#cat "$DLLIST"
#exit
}
display_downloadfile(){
if [ -n "$VERBOSE_OUTPUT" ]; then
cat "$DLLIST"
@ -598,10 +590,10 @@ display_downloadfile(){
while IFS=' ' read -r pkg ver size _; do
[ -z "$pkg" ] && continue
printf '%s%-40s %-20s %10s\n' "$aptfast_prefix" "$pkg" "$ver" "$size"
done <<<"$(echo -e "$DOWNLOAD_DISPLAY" | sort "${DISPLAY_SORT_OPTIONS[@]}" | numfmt "${DISPLAY_NUMFMT_OPTIONS[@]}" --field=3)"
done <<<"$(echo -e "$DOWNLOAD_DISPLAY" | sort "${DISPLAY_SORT_OPTIONS[@]}" | numfmt --to=iec-i --suffix=B --field=3)"
fi
msg "Download size: $(echo "$DOWNLOAD_SIZE" | numfmt "${DISPLAY_NUMFMT_OPTIONS[@]}")" "normal"
msg "下载大小: $(echo "$DOWNLOAD_SIZE" | numfmt "${DISPLAY_NUMFMT_OPTIONS[@]}")" "normal"
msg "Download size: $(echo "$DOWNLOAD_SIZE" | numfmt --to=iec-i --suffix=B)" "normal"
msg "下载大小: $(echo "$DOWNLOAD_SIZE" | numfmt --to=iec-i --suffix=B)" "normal"
}
@ -835,3 +827,4 @@ else
fi
# After error or all done remove our lockfile (done with EXIT trap)