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quectel-rgmii-toolkit/ipk-source/sdxpinn-quecmanager-beta/root/www/cgi-bin/quecmanager/settings/ping_settings.sh
2025-09-07 18:36:18 +08:00

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#!/bin/sh
# Ping Settings Configuration Script
# Manages ping service (enable/disable) and daemon settings with dynamic service management
# Author: dr-dolomite
# Date: 2025-08-31
# Handle OPTIONS request first (before any headers)
if [ "${REQUEST_METHOD:-GET}" = "OPTIONS" ]; then
echo "Content-Type: text/plain"
echo "Access-Control-Allow-Origin: *"
echo "Access-Control-Allow-Methods: GET, POST, DELETE, OPTIONS"
echo "Access-Control-Allow-Headers: Content-Type"
echo "Access-Control-Max-Age: 86400"
echo ""
exit 0
fi
# Set content type and CORS headers for other requests
echo "Content-Type: application/json"
echo "Access-Control-Allow-Origin: *"
echo "Access-Control-Allow-Methods: GET, POST, DELETE, OPTIONS"
echo "Access-Control-Allow-Headers: Content-Type"
echo ""
# Configuration
CONFIG_DIR="/etc/quecmanager/settings"
CONFIG_FILE="$CONFIG_DIR/ping_settings.conf"
FALLBACK_CONFIG_DIR="/tmp/quecmanager/settings"
FALLBACK_CONFIG_FILE="$FALLBACK_CONFIG_DIR/ping_settings.conf"
LOG_FILE="/tmp/ping_settings.log"
SERVICES_INIT="/etc/init.d/quecmanager_services"
# Logging function
log_message() {
echo "$(date '+%Y-%m-%d %H:%M:%S') - $1" >> "$LOG_FILE"
}
# Error response function
send_error() {
local error_code="$1"
local error_message="$2"
log_message "ERROR: $error_message"
echo "{\"status\":\"error\",\"code\":\"$error_code\",\"message\":\"$error_message\"}"
exit 1
}
# Success response function
send_success() {
local message="$1"
local data="$2"
log_message "SUCCESS: $message"
if [ -n "$data" ]; then
echo "{\"status\":\"success\",\"message\":\"$message\",\"data\":$data}"
else
echo "{\"status\":\"success\",\"message\":\"$message\"}"
fi
}
# Resolve config file for reading: prefer primary, then fallback
resolve_config_for_read() {
if [ -f "$CONFIG_FILE" ]; then
return 0
elif [ -f "$FALLBACK_CONFIG_FILE" ]; then
CONFIG_FILE="$FALLBACK_CONFIG_FILE"
CONFIG_DIR="$FALLBACK_CONFIG_DIR"
return 0
fi
# Default to primary path if none exist
return 0
}
# Check if ping daemon is running
is_ping_daemon_running() {
pgrep -f "ping_daemon.sh" >/dev/null 2>&1
}
# Get current ping setting
get_config_values() {
# defaults
ENABLED="true"
HOST="8.8.8.8"
INTERVAL="5"
resolve_config_for_read
if [ -f "$CONFIG_FILE" ]; then
val=$(grep -E "^PING_ENABLED=" "$CONFIG_FILE" | tail -n1 | cut -d'=' -f2)
if [ -n "${val:-}" ]; then
case "$val" in
true|1|on|yes|enabled) ENABLED="true" ;;
*) ENABLED="false" ;;
esac
fi
val=$(grep -E "^PING_HOST=" "$CONFIG_FILE" | tail -n1 | cut -d'=' -f2)
[ -n "${val:-}" ] && HOST="$val"
val=$(grep -E "^PING_INTERVAL=" "$CONFIG_FILE" | tail -n1 | cut -d'=' -f2)
if echo "${val:-}" | grep -qE '^[0-9]+$'; then
INTERVAL="$val"
fi
fi
}
# Save ping setting to config file
save_config() {
local enabled="$1"
local host="$2"
local interval="$3"
# Try primary directory first
if mkdir -p "$CONFIG_DIR" 2>/dev/null; then
local tmp="$CONFIG_FILE.tmp.$$"
echo "PING_ENABLED=$enabled" > "$tmp" || rm -f "$tmp" || return 1
echo "PING_HOST=$host" >> "$tmp" || rm -f "$tmp" || return 1
echo "PING_INTERVAL=$interval" >> "$tmp" || rm -f "$tmp" || return 1
if mv -f "$tmp" "$CONFIG_FILE" 2>/dev/null; then
chmod 644 "$CONFIG_FILE" 2>/dev/null || true
log_message "Saved ping config (primary): enabled=$enabled host=$host interval=$interval"
return 0
fi
fi
# Fallback to /tmp
mkdir -p "$FALLBACK_CONFIG_DIR" 2>/dev/null || true
local tmp2="$FALLBACK_CONFIG_FILE.tmp.$$"
echo "PING_ENABLED=$enabled" > "$tmp2" || rm -f "$tmp2" || return 1
echo "PING_HOST=$host" >> "$tmp2" || rm -f "$tmp2" || return 1
echo "PING_INTERVAL=$interval" >> "$tmp2" || rm -f "$tmp2" || return 1
mv -f "$tmp2" "$FALLBACK_CONFIG_FILE" 2>/dev/null || return 1
chmod 644 "$FALLBACK_CONFIG_FILE" 2>/dev/null || true
# Point CONFIG_FILE to fallback for subsequent reads in this request
CONFIG_FILE="$FALLBACK_CONFIG_FILE"; CONFIG_DIR="$FALLBACK_CONFIG_DIR"
log_message "Saved ping config (fallback): enabled=$enabled host=$host interval=$interval"
}
# Add ping daemon to services init script (remove the static version and add dynamic version)
add_ping_daemon_to_services() {
if [ ! -f "$SERVICES_INIT" ]; then
log_message "Services init file not found: $SERVICES_INIT"
return 1
fi
# First, remove any existing ping daemon block (both static and dynamic)
remove_ping_daemon_from_services
# Add the dynamic ping daemon block before "All QuecManager services Started"
local temp_file="/tmp/services_temp_$$"
awk '
/echo "All QuecManager services Started"/ {
print " # Start ping daemon"
print " echo \"Starting Ping Daemon...\""
print " procd_open_instance"
print " procd_set_param command /www/cgi-bin/services/ping_daemon.sh"
print " procd_set_param respawn"
print " procd_set_param stdout 1"
print " procd_set_param stderr 1"
print " procd_close_instance"
print " echo \"Ping Daemon started\""
print ""
}
{ print }
' "$SERVICES_INIT" > "$temp_file"
if [ -s "$temp_file" ]; then
mv "$temp_file" "$SERVICES_INIT"
chmod +x "$SERVICES_INIT"
log_message "Added ping daemon to services init script"
return 0
else
rm -f "$temp_file"
log_message "Failed to add ping daemon to services"
return 1
fi
}
# Remove ping daemon from services init script (both static and dynamic versions)
remove_ping_daemon_from_services() {
if [ ! -f "$SERVICES_INIT" ]; then
log_message "Services init file not found: $SERVICES_INIT"
return 1
fi
local temp_file="/tmp/services_temp_$$"
# Remove both the old static ping daemon block and any dynamic ping daemon block
awk '
# Skip the old static ping daemon block
/# Start ping daemon if enabled in configuration/ {
skip_static=1
next
}
skip_static && /echo "Ping Daemon started"/ {
skip_static=0
next
}
skip_static && /echo "Ping configuration not found/ {
skip_static=0
next
}
skip_static { next }
# Skip the new dynamic ping daemon block
/# Start ping daemon$/ {
skip_dynamic=1
next
}
skip_dynamic && /^$/ {
skip_dynamic=0
next
}
skip_dynamic { next }
# Print everything else
!skip_static && !skip_dynamic { print }
' "$SERVICES_INIT" > "$temp_file"
if [ -s "$temp_file" ]; then
mv "$temp_file" "$SERVICES_INIT"
chmod +x "$SERVICES_INIT"
log_message "Removed ping daemon from services init script"
return 0
else
rm -f "$temp_file"
log_message "Failed to remove ping daemon from services"
return 1
fi
}
# Restart QuecManager services
restart_services() {
log_message "Restarting QuecManager services..."
# Stop services
if [ -x "$SERVICES_INIT" ]; then
"$SERVICES_INIT" stop >/dev/null 2>&1
sleep 2
"$SERVICES_INIT" start >/dev/null 2>&1
log_message "Services restarted successfully"
return 0
else
log_message "Cannot restart services - init script not found or not executable"
return 1
fi
}
# Delete ping configuration (reset to default)
delete_ping_setting() {
local removed=1
for f in "$CONFIG_FILE" "$FALLBACK_CONFIG_FILE"; do
if [ -f "$f" ]; then
sed -i '/^PING_ENABLED=/d' "$f" 2>/dev/null || true
sed -i '/^PING_HOST=/d' "$f" 2>/dev/null || true
sed -i '/^PING_INTERVAL=/d' "$f" 2>/dev/null || true
log_message "Deleted ping configuration entries in $f"
[ -s "$f" ] || { rm -f "$f" 2>/dev/null || true; log_message "Removed empty config file $f"; }
removed=0
fi
done
return $removed
}
# Handle GET request - Retrieve ping setting
handle_get() {
log_message "GET request received"
get_config_values
local running=false
if is_ping_daemon_running; then running=true; fi
local is_default=true
if [ -f "$CONFIG_FILE" ] && grep -q "^PING_ENABLED=" "$CONFIG_FILE"; then
is_default=false
fi
send_success "Ping configuration retrieved" "{\"enabled\":$ENABLED,\"host\":\"$HOST\",\"interval\":$INTERVAL,\"running\":$running,\"isDefault\":$is_default}"
}
# Handle POST request - Update ping setting
handle_post() {
log_message "POST request received"
# Read POST data
local content_length=${CONTENT_LENGTH:-0}
if [ "$content_length" -gt 0 ]; then
local post_data=$(dd bs=$content_length count=1 2>/dev/null)
log_message "Received POST data: $post_data"
# Parse fields
local enabled host interval
enabled=$(echo "$post_data" | sed -n 's/.*"enabled"[[:space:]]*:[[:space:]]*\([^,}]*\).*/\1/p' | tr -d ' ' | sed 's/"//g')
host=$(echo "$post_data" | sed -n 's/.*"host"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p')
interval=$(echo "$post_data" | sed -n 's/.*"interval"[[:space:]]*:[[:space:]]*\([0-9][0-9]*\).*/\1/p')
# Defaults when missing
[ -z "$enabled" ] && enabled="true"
[ -z "$host" ] && host="8.8.8.8"
[ -z "$interval" ] && interval="5"
# Validate
case "$enabled" in
true|false) : ;;
*) send_error "INVALID_SETTING" "Invalid enabled value. Must be true or false." ;;
esac
if ! echo "$interval" | grep -qE '^[0-9]+$'; then
send_error "INVALID_INTERVAL" "Interval must be a number (seconds)."
fi
if [ "$interval" -lt 1 ] || [ "$interval" -gt 3600 ]; then
send_error "INVALID_INTERVAL" "Interval must be between 1 and 3600 seconds."
fi
# Get current config to compare
get_config_values
local prev_enabled="$ENABLED"
local prev_host="$HOST"
local prev_interval="$INTERVAL"
# Save new configuration
save_config "$enabled" "$host" "$interval" || send_error "WRITE_FAILED" "Failed to save configuration"
# Handle service changes using dynamic management like memory
if [ "$enabled" = "true" ]; then
# Enable ping daemon
add_ping_daemon_to_services
if [ "$prev_enabled" != "true" ] || [ "$prev_host" != "$host" ] || [ "$prev_interval" != "$interval" ]; then
restart_services
fi
else
# Disable ping daemon
remove_ping_daemon_from_services
restart_services
fi
# Return current status
sleep 1 # Give services time to start/stop
local running=false
if is_ping_daemon_running; then running=true; fi
send_success "Ping setting updated successfully" "{\"enabled\":$enabled,\"host\":\"$host\",\"interval\":$interval,\"running\":$running}"
else
send_error "NO_DATA" "No data provided"
fi
}
# Handle DELETE request - Reset to default (delete configuration)
handle_delete() {
log_message "DELETE request received"
# Remove ping daemon from services and restart
remove_ping_daemon_from_services
restart_services
# Remove config files
delete_ping_setting
send_success "Ping setting reset to default (disabled)" "{\"enabled\":false,\"running\":false,\"isDefault\":true}"
}
# Main execution
log_message "Ping settings script called with method: ${REQUEST_METHOD:-GET}"
# Handle different HTTP methods
case "${REQUEST_METHOD:-GET}" in
GET)
handle_get
;;
POST)
handle_post
;;
DELETE)
handle_delete
;;
*)
send_error "METHOD_NOT_ALLOWED" "HTTP method ${REQUEST_METHOD} not supported"
;;
esac