gistfile1.txt
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原始檔案
# ui::_render_endpoint_col
# Builds padded endpoint string: "raw_ip → resolved" or "raw_ip" or "-"
# Args: endpoint resolved w_endpoint
# Returns: padded colored string via stdout
function ui::_render_endpoint_col() {
local endpoint="${1:-}" resolved="${2:-}" w_endpoint="${3:-20}"
local colored visible_len pad_n
if [[ -n "$endpoint" ]]; then
if [[ -n "$resolved" ]]; then
colored="${endpoint} \033[2m→ ${resolved}\033[0m"
visible_len=$(( ${#endpoint} + 3 + ${#resolved} ))
else
colored="$endpoint"
visible_len=${#endpoint}
fi
else
colored="\033[2m—\033[0m"
visible_len=1
fi
pad_n=$(( w_endpoint - visible_len ))
[[ $pad_n -lt 0 ]] && pad_n=0
printf "%b%*s" "$colored" "$pad_n" ""
}
# ui::_render_dest_col
# Builds padded destination string: "svc/proto (ip:port)" or raw
# Args: dest_ip dest_port proto svc_name w_dest resolved_only
# Returns: two vars via nameref — dest_colored dest_pad_n
function ui::_build_dest() {
local dest_ip="${1:-}" dest_port="${2:-}" proto="${3:-}" \
svc_name="${4:-}" w_dest="${5:-20}" resolved_only="${6:-false}"
local svc_display raw_suffix="" raw_plain=""
if [[ -n "$svc_name" ]]; then
[[ -n "$dest_port" ]] && svc_display="${svc_name}/${proto}" \
|| svc_display="${svc_name} (${proto})"
if ! $resolved_only; then
[[ -n "$dest_port" ]] && raw_suffix=" \033[2m(${dest_ip}:${dest_port})\033[0m" \
|| raw_suffix=" \033[2m(${dest_ip})\033[0m"
[[ -n "$dest_port" ]] && raw_plain=" (${dest_ip}:${dest_port})" \
|| raw_plain=" (${dest_ip})"
fi
else
[[ -n "$dest_port" ]] && svc_display="${dest_ip}:${dest_port}/${proto}" \
|| svc_display="${dest_ip} (${proto})"
fi
local full_len=$(( ${#svc_display} + ${#raw_plain} ))
local dest_pad_n=$(( w_dest - full_len ))
[[ $dest_pad_n -lt 0 ]] && dest_pad_n=0
# Output: svc_display|raw_suffix|dest_pad_n
printf "%s\t%s\t%s" "$svc_display" "$raw_suffix" "$dest_pad_n"
}
function ui::watch::fw_row() {
local ts="${1:-}" client="${2:-}" dest_ip="${3:-}" dest_port="${4:-}" \
proto="${5:-}" svc_name="${6:-}" \
src_endpoint="${7:-}" src_resolved="${8:-}" \
w_client="${9:-20}" w_dest="${10:-18}" w_endpoint="${11:-0}"
local ts_pad client_pad
ts_pad=$(printf "%-11s" "$ts")
client_pad=$(printf "%-${w_client}s" "$client")
local dest_parts
dest_parts=$(ui::_build_dest "$dest_ip" "$dest_port" "$proto" "$svc_name" "$w_dest" "false")
local svc_display raw_suffix dest_pad_n
IFS=$'\t' read -r svc_display raw_suffix dest_pad_n <<< "$dest_parts"
if [[ "$w_endpoint" -gt 0 ]]; then
local src_padded
src_padded=$(ui::_render_endpoint_col "$src_endpoint" "$src_resolved" "$w_endpoint")
printf " %s %s %s \033[1;31m→\033[0m %s%b%*s \033[1;31mdrop\033[0m\n" \
"$ts_pad" "$client_pad" "$src_padded" \
"$svc_display" "$raw_suffix" "$dest_pad_n" ""
else
printf " %s %s \033[1;31m→\033[0m %s%b%*s \033[1;31mdrop\033[0m\n" \
"$ts_pad" "$client_pad" \
"$svc_display" "$raw_suffix" "$dest_pad_n" ""
fi
}
function ui::watch::wg_row() {
local ts="${1:-}" client="${2:-}" endpoint="${3:-}" event="${4:-}" \
src_resolved="${5:-}" \
w_client="${6:-20}" w_endpoint="${7:-18}"
local event_color
case "$event" in
handshake) event_color="\033[1;32m" ;;
attempt) event_color="\033[1;31m" ;;
*) event_color="\033[0;37m" ;;
esac
local ep_padded
ep_padded=$(ui::_render_endpoint_col "$endpoint" "$src_resolved" "$w_endpoint")
local ts_pad client_pad
ts_pad=$(printf "%-11s" "$ts")
client_pad=$(printf "%-${w_client}s" "$client")
printf " %s %s %s %b%s\033[0m\n" \
"$ts_pad" "$client_pad" "$ep_padded" \
"$event_color" "$event"
}
| 1 | # ui::_render_endpoint_col |
| 2 | # Builds padded endpoint string: "raw_ip → resolved" or "raw_ip" or "-" |
| 3 | # Args: endpoint resolved w_endpoint |
| 4 | # Returns: padded colored string via stdout |
| 5 | function ui::_render_endpoint_col() { |
| 6 | local endpoint="${1:-}" resolved="${2:-}" w_endpoint="${3:-20}" |
| 7 | local colored visible_len pad_n |
| 8 | |
| 9 | if [[ -n "$endpoint" ]]; then |
| 10 | if [[ -n "$resolved" ]]; then |
| 11 | colored="${endpoint} \033[2m→ ${resolved}\033[0m" |
| 12 | visible_len=$(( ${#endpoint} + 3 + ${#resolved} )) |
| 13 | else |
| 14 | colored="$endpoint" |
| 15 | visible_len=${#endpoint} |
| 16 | fi |
| 17 | else |
| 18 | colored="\033[2m—\033[0m" |
| 19 | visible_len=1 |
| 20 | fi |
| 21 | |
| 22 | pad_n=$(( w_endpoint - visible_len )) |
| 23 | [[ $pad_n -lt 0 ]] && pad_n=0 |
| 24 | printf "%b%*s" "$colored" "$pad_n" "" |
| 25 | } |
| 26 | # ui::_render_dest_col |
| 27 | # Builds padded destination string: "svc/proto (ip:port)" or raw |
| 28 | # Args: dest_ip dest_port proto svc_name w_dest resolved_only |
| 29 | # Returns: two vars via nameref — dest_colored dest_pad_n |
| 30 | function ui::_build_dest() { |
| 31 | local dest_ip="${1:-}" dest_port="${2:-}" proto="${3:-}" \ |
| 32 | svc_name="${4:-}" w_dest="${5:-20}" resolved_only="${6:-false}" |
| 33 | local svc_display raw_suffix="" raw_plain="" |
| 34 | |
| 35 | if [[ -n "$svc_name" ]]; then |
| 36 | [[ -n "$dest_port" ]] && svc_display="${svc_name}/${proto}" \ |
| 37 | || svc_display="${svc_name} (${proto})" |
| 38 | if ! $resolved_only; then |
| 39 | [[ -n "$dest_port" ]] && raw_suffix=" \033[2m(${dest_ip}:${dest_port})\033[0m" \ |
| 40 | || raw_suffix=" \033[2m(${dest_ip})\033[0m" |
| 41 | [[ -n "$dest_port" ]] && raw_plain=" (${dest_ip}:${dest_port})" \ |
| 42 | || raw_plain=" (${dest_ip})" |
| 43 | fi |
| 44 | else |
| 45 | [[ -n "$dest_port" ]] && svc_display="${dest_ip}:${dest_port}/${proto}" \ |
| 46 | || svc_display="${dest_ip} (${proto})" |
| 47 | fi |
| 48 | |
| 49 | local full_len=$(( ${#svc_display} + ${#raw_plain} )) |
| 50 | local dest_pad_n=$(( w_dest - full_len )) |
| 51 | [[ $dest_pad_n -lt 0 ]] && dest_pad_n=0 |
| 52 | |
| 53 | # Output: svc_display|raw_suffix|dest_pad_n |
| 54 | printf "%s\t%s\t%s" "$svc_display" "$raw_suffix" "$dest_pad_n" |
| 55 | } |
| 56 | function ui::watch::fw_row() { |
| 57 | local ts="${1:-}" client="${2:-}" dest_ip="${3:-}" dest_port="${4:-}" \ |
| 58 | proto="${5:-}" svc_name="${6:-}" \ |
| 59 | src_endpoint="${7:-}" src_resolved="${8:-}" \ |
| 60 | w_client="${9:-20}" w_dest="${10:-18}" w_endpoint="${11:-0}" |
| 61 | |
| 62 | local ts_pad client_pad |
| 63 | ts_pad=$(printf "%-11s" "$ts") |
| 64 | client_pad=$(printf "%-${w_client}s" "$client") |
| 65 | |
| 66 | local dest_parts |
| 67 | dest_parts=$(ui::_build_dest "$dest_ip" "$dest_port" "$proto" "$svc_name" "$w_dest" "false") |
| 68 | local svc_display raw_suffix dest_pad_n |
| 69 | IFS=$'\t' read -r svc_display raw_suffix dest_pad_n <<< "$dest_parts" |
| 70 | |
| 71 | if [[ "$w_endpoint" -gt 0 ]]; then |
| 72 | local src_padded |
| 73 | src_padded=$(ui::_render_endpoint_col "$src_endpoint" "$src_resolved" "$w_endpoint") |
| 74 | printf " %s %s %s \033[1;31m→\033[0m %s%b%*s \033[1;31mdrop\033[0m\n" \ |
| 75 | "$ts_pad" "$client_pad" "$src_padded" \ |
| 76 | "$svc_display" "$raw_suffix" "$dest_pad_n" "" |
| 77 | else |
| 78 | printf " %s %s \033[1;31m→\033[0m %s%b%*s \033[1;31mdrop\033[0m\n" \ |
| 79 | "$ts_pad" "$client_pad" \ |
| 80 | "$svc_display" "$raw_suffix" "$dest_pad_n" "" |
| 81 | fi |
| 82 | } |
| 83 | |
| 84 | |
| 85 | function ui::watch::wg_row() { |
| 86 | local ts="${1:-}" client="${2:-}" endpoint="${3:-}" event="${4:-}" \ |
| 87 | src_resolved="${5:-}" \ |
| 88 | w_client="${6:-20}" w_endpoint="${7:-18}" |
| 89 | |
| 90 | local event_color |
| 91 | case "$event" in |
| 92 | handshake) event_color="\033[1;32m" ;; |
| 93 | attempt) event_color="\033[1;31m" ;; |
| 94 | *) event_color="\033[0;37m" ;; |
| 95 | esac |
| 96 | |
| 97 | local ep_padded |
| 98 | ep_padded=$(ui::_render_endpoint_col "$endpoint" "$src_resolved" "$w_endpoint") |
| 99 | |
| 100 | local ts_pad client_pad |
| 101 | ts_pad=$(printf "%-11s" "$ts") |
| 102 | client_pad=$(printf "%-${w_client}s" "$client") |
| 103 | |
| 104 | printf " %s %s %s %b%s\033[0m\n" \ |
| 105 | "$ts_pad" "$client_pad" "$ep_padded" \ |
| 106 | "$event_color" "$event" |
| 107 | } |
| 108 |