mirror of
https://github.com/RubyMetric/chsrc.git
synced 2024-11-29 21:17:17 +08:00
565 lines
15 KiB
C
565 lines
15 KiB
C
/** ------------------------------------------------------------
|
||
* File : chsrc.h
|
||
* License : GPLv3
|
||
* Authors : Aoran Zeng <ccmywish@qq.com>
|
||
* Created on : <2023-08-29>
|
||
* Last modified : <2024-06-08>
|
||
*
|
||
* chsrc:
|
||
*
|
||
* chsrc.c 头文件
|
||
* ------------------------------------------------------------*/
|
||
|
||
#include "xy.h"
|
||
#include "source.h"
|
||
|
||
#define App_Name "chsrc"
|
||
|
||
#define chsrc_log(str) xy_log(App_Name,str)
|
||
#define chsrc_succ(str) xy_succ(App_Name,str)
|
||
#define chsrc_info(str) xy_info(App_Name,str)
|
||
#define chsrc_warn(str) xy_warn(App_Name,str)
|
||
#define chsrc_error(str) xy_error(App_Name,str)
|
||
|
||
#define chsrc_succ_remarkably(str) xy_succ_remarkably(App_Name,"成功",str);
|
||
#define chsrc_infolog_remarkably(str) xy_info_remarkably(App_Name,"LOG",str);
|
||
#define chsrc_info_remarkably(str) xy_info_remarkably(App_Name,"提示",str);
|
||
#define chsrc_note_remarkably(str) xy_warn_remarkably(App_Name,"提示",str);
|
||
#define chsrc_warn_remarkably(str) xy_warn_remarkably(App_Name,"警告",str);
|
||
#define chsrc_error_remarkably(str) xy_error_remarkably(App_Name,"错误",str);
|
||
|
||
|
||
bool Cli_Option_IPv6 = false;
|
||
bool Cli_Option_Locally = false;
|
||
bool Cli_Option_InEnglish = false;
|
||
|
||
/**
|
||
* 检测二进制程序是否存在
|
||
*
|
||
* @param check_cmd 检测 `prog_name` 是否存在的一段命令，一般来说，填 `prog_name` 本身即可，
|
||
* 但是某些情况下，需要使用其他命令绕过一些特殊情况，比如 python 这个命令在Windows上
|
||
* 会自动打开 Microsoft Store，需避免
|
||
*
|
||
* @param prog_name 要检测的二进制程序名
|
||
*/
|
||
bool
|
||
query_program_exist (char *check_cmd, char *prog_name)
|
||
{
|
||
char *which = check_cmd;
|
||
|
||
int ret = system(which);
|
||
|
||
// char buf[32] = {0}; sprintf(buf, "错误码: %d", ret);
|
||
|
||
if (0 != ret)
|
||
{
|
||
// xy_warn (xy_strjoin(4, "× 命令 ", progname, " 不存在，", buf));
|
||
xy_log_remarkably (App_Name, xy_str_to_red ("检查"),
|
||
xy_strjoin (4, xy_str_to_red ("x "), "命令 ", xy_str_to_red (prog_name), " 不存在"));
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
xy_log_remarkably (App_Name, xy_str_to_green ("检查"),
|
||
xy_strjoin (4, xy_str_to_green ("√ "), "命令 ", xy_str_to_green (prog_name), " 存在"));
|
||
return true;
|
||
}
|
||
}
|
||
|
||
|
||
/**
|
||
* 用于 _setsrc 函数，检测用户输入的镜像站code，是否存在于该target可用源中
|
||
*
|
||
* @param target 目标名
|
||
* @param input 如果用户输入 default 或者 def，则选择第一个源
|
||
*/
|
||
#define find_mirror(s, input) query_mirror_exist(s##_sources, s##_sources_n, (char*)#s+3, input)
|
||
int
|
||
query_mirror_exist (SourceInfo *sources, size_t size, char *target, char *input)
|
||
{
|
||
if (0==size || 1==size)
|
||
{
|
||
chsrc_error (xy_strjoin (3, "当前 ", target, " 无任何可用源，请联系维护者"));
|
||
exit (1);
|
||
}
|
||
|
||
if (2==size)
|
||
{
|
||
chsrc_succ (xy_strjoin (4, sources[1].mirror->name, " 是 ", target, " 目前唯一可用镜像站，感谢他们的慷慨支持"));
|
||
}
|
||
|
||
if (xy_streql ("reset", input))
|
||
{
|
||
puts ("将重置为上游默认源");
|
||
return 0; // 返回第1个，因为第1个是上游默认源
|
||
}
|
||
|
||
if (xy_streql ("first", input))
|
||
{
|
||
puts ("将使用维护团队测速第一的源");
|
||
return 1; // 返回第2个，因为第1个是上游默认源
|
||
}
|
||
|
||
int idx = 0;
|
||
SourceInfo source = sources[0];
|
||
|
||
bool exist = false;
|
||
for (int i=0; i<size; i++)
|
||
{
|
||
source = sources[i];
|
||
if (xy_streql (source.mirror->code, input))
|
||
{
|
||
idx = i;
|
||
exist = true;
|
||
break;
|
||
}
|
||
}
|
||
if (!exist)
|
||
{
|
||
chsrc_error (xy_strjoin (3, "镜像站 ", input, " 不存在"));
|
||
chsrc_error (xy_2strjoin ("查看可使用源，请使用 chsrc list ", target));
|
||
exit (1);
|
||
}
|
||
return idx;
|
||
}
|
||
|
||
|
||
/**
|
||
* 该函数来自 oh-my-mirrorz.py，由 @ccmywish 翻译为C语言，但功劳和版权属于原作者
|
||
*/
|
||
char *
|
||
to_human_readable_speed (double speed)
|
||
{
|
||
char *scale[] = {"Byte/s", "KByte/s", "MByte/s", "GByte/s", "TByte/s"};
|
||
int i = 0;
|
||
while (speed > 1024.0)
|
||
{
|
||
i += 1;
|
||
speed /= 1024.0;
|
||
}
|
||
char *buf = xy_malloc0 (64);
|
||
sprintf (buf, "%.2f %s", speed, scale[i]);
|
||
|
||
char *new = NULL;
|
||
if (i <= 1 ) new = xy_str_to_red (buf);
|
||
else
|
||
{
|
||
if (i == 2 && speed < 2.00) new = xy_str_to_yellow (buf);
|
||
else new = xy_str_to_green (buf);
|
||
}
|
||
return new;
|
||
}
|
||
|
||
|
||
/**
|
||
* 测速代码参考自 https://github.com/mirrorz-org/oh-my-mirrorz/blob/master/oh-my-mirrorz.py
|
||
* 功劳和版权属于原作者，由 @ccmywish 修改为C语言，并做了额外调整
|
||
*
|
||
* @return 返回测得的速度，若出错，返回-1
|
||
*/
|
||
double
|
||
test_speed_url (const char *url)
|
||
{
|
||
char *time_sec = "6";
|
||
|
||
/* 现在我们切换至跳转后的链接来测速，不再使用下述判断
|
||
if (xy_str_start_with(url, "https://registry.npmmirror"))
|
||
{
|
||
// 这里 npmmirror 跳转非常慢，需要1~3秒，所以我们给它留够至少8秒测速时间，否则非常不准
|
||
time_sec = "10";
|
||
}
|
||
*/
|
||
|
||
char *ipv6 = ""; // 默认不启用
|
||
|
||
if (Cli_Option_IPv6==true) {
|
||
ipv6 = "--ipv6";
|
||
}
|
||
|
||
// 我们用 —L，因为Ruby China源会跳转到其他地方
|
||
// npmmirror 也会跳转
|
||
char *curl_cmd = xy_strjoin (7, "curl -qsL ", ipv6,
|
||
" -o " xy_os_devnull,
|
||
" -w \"%{http_code} %{speed_download}\" -m", time_sec ,
|
||
" -A chsrc/" Chsrc_Version " ", url);
|
||
|
||
// chsrc_info (xy_2strjoin ("测速命令 ", curl_cmd));
|
||
|
||
char *buf = xy_getcmd (curl_cmd, 0, NULL);
|
||
// 如果尾部有换行，删除
|
||
buf = xy_str_strip (buf);
|
||
|
||
// 分隔两部分数据
|
||
char *split = strchr (buf, ' ');
|
||
if (split) *split = '\0';
|
||
|
||
// puts(buf); puts(split+1);
|
||
int http_code = atoi (buf);
|
||
double speed = atof (split+1);
|
||
char *speedstr = to_human_readable_speed (speed);
|
||
|
||
if (200!=http_code)
|
||
{
|
||
char* httpcodestr = xy_str_to_yellow (xy_2strjoin ("HTTP码 ", buf));
|
||
puts (xy_strjoin (3, speedstr, " | ", httpcodestr));
|
||
}
|
||
else
|
||
{
|
||
puts (speedstr);
|
||
}
|
||
return speed;
|
||
}
|
||
|
||
|
||
int
|
||
get_max_ele_idx_in_dbl_ary (double *array, int size)
|
||
{
|
||
double maxval = array[0];
|
||
int maxidx = 0;
|
||
|
||
for (int i=1; i<size; i++)
|
||
{
|
||
if (array[i]>maxval)
|
||
{
|
||
maxval = array[i];
|
||
maxidx = i;
|
||
}
|
||
}
|
||
return maxidx;
|
||
}
|
||
|
||
/**
|
||
* 自动测速选择镜像站和源
|
||
*/
|
||
#define auto_select(s) auto_select_(s##_sources, s##_sources_n, (char*)#s+3)
|
||
int
|
||
auto_select_ (SourceInfo *sources, size_t size, const char *target)
|
||
{
|
||
if (0==size || 1==size)
|
||
{
|
||
chsrc_error (xy_strjoin (3, "当前 ", target, " 无任何可用源，请联系维护者"));
|
||
exit (1);
|
||
}
|
||
|
||
bool onlyone = false;
|
||
if (2==size) onlyone = true;
|
||
|
||
double speeds[size];
|
||
double speed = 0.0;
|
||
for (int i=0;i<size;i++)
|
||
{
|
||
SourceInfo src = sources[i];
|
||
const char* url = src.mirror->__bigfile_url;
|
||
if (NULL==url)
|
||
{
|
||
if (xy_streql ("upstream", src.mirror->code))
|
||
{
|
||
continue; // 上游默认源不测速
|
||
}
|
||
else
|
||
{
|
||
chsrc_warn (xy_strjoin (3, "开发者未提供 ", src.mirror->code, " 镜像站测速链接，跳过该站点"));
|
||
speed = 0;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
printf ("%s", xy_strjoin (3, "测速 ", src.mirror->site , " ... "));
|
||
fflush (stdout);
|
||
speed = test_speed_url (url);
|
||
}
|
||
speeds[i] = speed;
|
||
}
|
||
int fastidx = get_max_ele_idx_in_dbl_ary (speeds, size);
|
||
|
||
if (onlyone)
|
||
chsrc_succ (xy_strjoin (4, sources[fastidx].mirror->name, " 是 ", target, " 目前唯一可用镜像站，感谢他们的慷慨支持"));
|
||
else
|
||
puts (xy_2strjoin ("最快镜像站: ", xy_str_to_green (sources[fastidx].mirror->name)));
|
||
|
||
return fastidx;
|
||
}
|
||
|
||
|
||
#define use_specific_mirror_or_auto_select(input, s) \
|
||
(NULL!=(input)) ? find_mirror(s, input) : auto_select(s)
|
||
|
||
|
||
|
||
bool
|
||
is_upstream (SourceInfo *source)
|
||
{
|
||
return xy_streql (source->mirror->code, "upstream");
|
||
}
|
||
|
||
bool
|
||
source_has_empty_url (SourceInfo *source)
|
||
{
|
||
return source->url == NULL;
|
||
}
|
||
|
||
|
||
#define split_between_source_changing_process puts ("--------------------------------")
|
||
|
||
/**
|
||
* 用于 _setsrc 函数
|
||
*
|
||
* 1. 告知用户选择了什么源和镜像
|
||
* 2. 对选择的源和镜像站进行一定的校验
|
||
*/
|
||
void
|
||
chsrc_confirm_selection (SourceInfo *source)
|
||
{
|
||
// 由于实现问题，我们把本应该独立出去的默认上游源，也放在了可以换源的数组中，而且放在第一个
|
||
// chsrc 已经规避用户使用未实现的 `chsrc reset`
|
||
// 但是某些用户可能摸索着强行使用 chsrc set target upstream，从而执行起该禁用的功能，
|
||
// 之所以禁用，是因为有的 reset 我们并没有实现，我们在这里阻止这些邪恶的用户
|
||
if (is_upstream (source) && source_has_empty_url (source))
|
||
{
|
||
chsrc_error ("暂未对该软件实现重置");
|
||
exit (2);
|
||
}
|
||
else if (source_has_empty_url (source))
|
||
{
|
||
chsrc_error ("该源URL不存在，请向开发团队提交bug");
|
||
exit (2);
|
||
}
|
||
else
|
||
{
|
||
puts (xy_strjoin (5, "选中镜像站: ", xy_str_to_green (source->mirror->abbr), " (", xy_str_to_green (source->mirror->code), ")"));
|
||
}
|
||
|
||
split_between_source_changing_process;
|
||
}
|
||
|
||
|
||
#define ChsrcTypeAuto "auto"
|
||
#define ChsrcTypeReset "reset"
|
||
#define ChsrcTypeSemiAuto "semiauto"
|
||
#define ChsrcTypeManual "manual"
|
||
#define ChsrcTypeUntested "untested"
|
||
|
||
/**
|
||
* @param source 可为NULL
|
||
* @param last_word 5种选择：ChsrcTypeAuto | ChsrcTypeReset | ChsrcTypeSemiAuto | ChsrcTypeManual | ChsrcTypeUntested
|
||
*/
|
||
void
|
||
chsrc_say_lastly (SourceInfo *source, const char *last_word)
|
||
{
|
||
split_between_source_changing_process;
|
||
|
||
if (xy_streql (ChsrcTypeAuto, last_word))
|
||
{
|
||
if (source)
|
||
{
|
||
chsrc_log (xy_2strjoin ("全自动换源完成，感谢镜像提供方: ", xy_str_to_purple (source->mirror->name)));
|
||
}
|
||
else
|
||
{
|
||
chsrc_log ("全自动换源完成");
|
||
}
|
||
}
|
||
else if (xy_streql (ChsrcTypeReset, last_word))
|
||
{
|
||
// is_upstream (source)
|
||
chsrc_log (xy_str_to_purple ("已重置为上游默认源"));
|
||
}
|
||
else if (xy_streql (ChsrcTypeSemiAuto, last_word))
|
||
{
|
||
if (source)
|
||
{
|
||
chsrc_log (xy_2strjoin ("半自动换源完成，仍需按上述提示手工操作，感谢镜像提供方: ", xy_str_to_purple (source->mirror->name)));
|
||
}
|
||
else
|
||
{
|
||
chsrc_log ("半自动换源完成，仍需按上述提示手工操作");
|
||
}
|
||
chsrc_warn ("若您有完全自动化的换源方案，邀您帮助: chsrc issue");
|
||
}
|
||
else if (xy_streql (ChsrcTypeManual, last_word))
|
||
{
|
||
if (source)
|
||
{
|
||
chsrc_log (xy_2strjoin ("因实现约束需按上述提示手工操作，感谢镜像提供方: ", xy_str_to_purple (source->mirror->name)));
|
||
}
|
||
else
|
||
{
|
||
chsrc_log ("因实现约束需按上述提示手工操作");
|
||
}
|
||
chsrc_warn ("若您有完全自动化的换源方案，邀您帮助: chsrc issue");
|
||
}
|
||
else if (xy_streql (ChsrcTypeUntested, last_word))
|
||
{
|
||
if (source)
|
||
{
|
||
chsrc_log (xy_2strjoin ("感谢镜像提供方: ", xy_str_to_purple (source->mirror->name)));
|
||
}
|
||
else
|
||
{
|
||
chsrc_log ("自动换源完成");
|
||
}
|
||
chsrc_warn ("该换源步骤已实现但未经测试或存在任何反馈，请报告使用情况: chsrc issue");
|
||
}
|
||
else
|
||
{
|
||
puts (last_word);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
void
|
||
chsrc_ensure_root ()
|
||
{
|
||
char *euid = getenv ("$EUID");
|
||
if (NULL==euid)
|
||
{
|
||
char *buf = xy_getcmd ("id -u", 0, NULL);
|
||
if (0!=atoi(buf)) goto not_root;
|
||
else return;
|
||
}
|
||
else
|
||
{
|
||
if (0!=atoi(euid)) goto not_root;
|
||
else return;
|
||
}
|
||
not_root:
|
||
chsrc_error ("请在命令前使用 sudo 或切换为root用户来保证必要的权限");
|
||
exit (1);
|
||
}
|
||
|
||
|
||
static void
|
||
chsrc_run (const char *cmd)
|
||
{
|
||
xy_info_remarkably (App_Name, "运行", cmd);
|
||
int status = system (cmd);
|
||
if (0==status)
|
||
{
|
||
xy_succ_remarkably (App_Name, "运行", "命令执行成功");
|
||
}
|
||
else
|
||
{
|
||
char buf[8] = {0};
|
||
itoa(status, buf, 10);
|
||
char *str = xy_2strjoin ("命令执行失败，返回码 ", buf);
|
||
xy_error_remarkably (App_Name, "运行", str);
|
||
}
|
||
puts ("");
|
||
}
|
||
|
||
|
||
static void
|
||
chsrc_check_file (const char *path)
|
||
{
|
||
char *cmd = NULL;
|
||
path = xy_uniform_path (path);
|
||
if(xy_on_windows)
|
||
{
|
||
cmd = xy_2strjoin ("type ", path);
|
||
}
|
||
else
|
||
{
|
||
cmd = xy_2strjoin ("cat ", path);
|
||
}
|
||
chsrc_run (cmd);
|
||
}
|
||
|
||
static void
|
||
chsrc_ensure_dir (const char *dir)
|
||
{
|
||
dir = xy_uniform_path (dir);
|
||
char *mkdir_cmd = NULL;
|
||
if (xy_on_windows)
|
||
{
|
||
mkdir_cmd = "md ";
|
||
}
|
||
else
|
||
{
|
||
mkdir_cmd = "mkdir -p ";
|
||
}
|
||
char *cmd = xy_2strjoin (mkdir_cmd, dir);
|
||
cmd = xy_str_to_quietcmd (cmd);
|
||
chsrc_run (cmd);
|
||
}
|
||
|
||
static void
|
||
chsrc_append_to_file (const char *str, const char *file)
|
||
{
|
||
file = xy_uniform_path (file);
|
||
char *dir = xy_parent_dir (file);
|
||
chsrc_ensure_dir (dir);
|
||
|
||
char *cmd = NULL;
|
||
if (xy_on_windows)
|
||
{
|
||
cmd = xy_strjoin (4, "echo ", str, " >> ", file);
|
||
}
|
||
else
|
||
{
|
||
cmd = xy_strjoin (4, "echo '", str, "' >> ", file);
|
||
}
|
||
chsrc_run (cmd);
|
||
}
|
||
|
||
static void
|
||
chsrc_overwrite_file (const char *str, const char *file)
|
||
{
|
||
file = xy_uniform_path (file);
|
||
char *dir = xy_parent_dir (file);
|
||
chsrc_ensure_dir (dir);
|
||
|
||
char *cmd = NULL;
|
||
if (xy_on_windows)
|
||
{
|
||
cmd = xy_strjoin (4, "echo ", str, " > ", file);
|
||
}
|
||
else
|
||
{
|
||
cmd = xy_strjoin (4, "echo '", str, "' > ", file);
|
||
}
|
||
chsrc_run (cmd);
|
||
}
|
||
|
||
static void
|
||
chsrc_backup (const char *path)
|
||
{
|
||
char *cmd = NULL;
|
||
|
||
if (xy_on_bsd)
|
||
{
|
||
// 似乎BSD的cp并没有 --backup='t' 选项
|
||
cmd = xy_strjoin (5, "cp -f ", path, " ", path, ".bak");
|
||
}
|
||
else if (xy_on_windows)
|
||
{
|
||
// /Y 表示覆盖
|
||
cmd = xy_strjoin (5, "copy /Y ", path, " ", path, ".bak" );
|
||
}
|
||
else
|
||
{
|
||
cmd = xy_strjoin (5, "cp ", path, " ", path, ".bak --backup='t'");
|
||
}
|
||
|
||
chsrc_run (cmd);
|
||
chsrc_info (xy_strjoin (3, "备份文件名 ", path, ".bak"));
|
||
}
|
||
|
||
|
||
|
||
/* Target Info */
|
||
typedef struct TargetInfo_t {
|
||
void (*getfn) (char *option);
|
||
void (*setfn) (char *option);
|
||
void (*resetfn) (char *option);
|
||
SourceInfo *sources;
|
||
size_t sources_n;
|
||
} TargetInfo;
|
||
|
||
// 大部分target还不支持reset，所以暂时先默认设置为NULL来过渡
|
||
#define def_target(t) TargetInfo t##_target = {t##_getsrc, t##_setsrc, NULL, t##_sources, t##_sources_n}
|
||
|
||
#define def_target_full(t) TargetInfo t##_target = {t##_getsrc, t##_setsrc, t##_resetsrc, t##_sources, t##_sources_n}
|
||
|
||
#define def_target_noget(t) TargetInfo t##_target = {NULL, t##_setsrc, NULL, t##_sources, t##_sources_n}
|