Can you please hint me to debug this code?
2025.01.22 11:45 juanse003 Can you please hint me to debug this code?
Hi guys. I have a little ruby service that I use in my remotes raspberry pi's to turn on and off screens, reboot, daily reboot and not much more. Schedules are download from my server and it normally works fine from months. And then randomly it dies/freeze and it stops working.
Initially I make the mistake of not having time out in the connection. I fix this. Now, In reality is so simple that I don't now what might fail. Could you please have a look? (it's made so every day the system restarts so I don't need to care for long term memory issues) Thanks
require 'faraday' require 'faraday/net_http' require 'json' require 'date' require 'pry' Faraday.default_adapter = :net_http ############################################################################ $screen_access_code = `cat /ussrc/CODENAME`.split[0] #GET CODENAME FROM FILE ############################################################################ puts $screen_access_code $uri_for_data = URI("https://www.xxxxx.es/api/v1/nodes/#{$screen_access_code}/get_data") # $uri_for_data = URI("http://localhost:3000/api/v1/nodes/#{$screen_access_code}/get_data") $counter = 0 $offset = 0 # time offsets in second for each node. To avoid all request at the same time $last_updated = nil # For debugging purposes $restart_before = 0 $restarted_at = 0 $node_data = nil $first_time_used = false $needrestart = false `xset +dpms` #Energy Star features on `xset dpms 0 0 0` # unlimited time with 0 `xset s noblank` `xset s off` `xrandr --display :0 --output HDMI-1 --mode 1920x1080` # Specially to avoid changes in 2K monitors def turn_on; `xrandr --display :0 --output HDMI-1 --mode 1920x1080`end; def turn_off; `xrandr --display :0 --output HDMI-1 --off`end; #turn off screen def restart_machine; `sudo reboot`end; def uptime_in_seconds; IO.read('/proc/uptime').split[0].to_i end; #Time since OS started def within_range?(time_now, time_frame) # Define a hash that maps each day of the week to a number weekdays = { "monday" => 1, "tuesday" => 2, "wednesday" => 3, "thursday" => 4, "friday" => 5, "saturday" => 6, "sunday" => 7 } # Set times vars current_day = weekdays[time_now.strftime("%A").downcase] current_hour = time_now.hour current_minute = time_now.min start_day = time_frame["weekday_from"] # + 1 to adapt from wday to cwday start_hour = DateTime.parse(time_frame["time_from"]).hour start_minute = DateTime.parse(time_frame["time_from"]).min end_day = time_frame["weekday_till"] # + 1 to adapt from wday to cwday end_hour = DateTime.parse(time_frame["time_till"]).hour end_minute = DateTime.parse(time_frame["time_till"]).min # puts "start_day: #{start_day}, hora: #{start_hour}, minuto: #{start_minute}" # puts "current_day: #{current_day}, hora: #{current_hour}, minuto: #{current_minute}" # puts "end_day: #{end_day}, hora: #{end_hour}, minuto: #{end_minute}" start_time_minutes = (start_day - 1) * 1440 + start_hour * 60 + start_minute end_time_minutes = (end_day - 1) * 1440 + end_hour * 60 + end_minute current_time_minutes = (current_day - 1) * 1440 + current_hour * 60 + current_minute # Handle multi-week spans if end_time_minutes < start_time_minutes end_time_minutes += 7 * 1440 end # Handle the case where current time is in the next week if current_time_minutes < start_time_minutes current_time_minutes += 7 * 1440 end current_time_minutes >= start_time_minutes && current_time_minutes <= end_time_minutes end def get_node_data begin first_time_timeoffset # Artictial delay to avoid all request at the same time and dpmsto work conn = Faraday.new($uri_for_data, request: { timeout: 10 }) response = conn.get STDOUT.puts("Entering request") if (response.status == 200) data = JSON.parse(response.body) if (data.is_a?(Hash) && data["access_code"] == $screen_access_code) $offset = data["offset"] $restart_before = data["restart_before"] $restarted_at = data["restarted_at"] $node_data = data $needrestart = data["needrestart"] STDOUT.puts(" Node data updated: #{$screen_access_code}") end end rescue Exception => e logger = Logger.new("screen_monitor_service_error.log") logger.error("Connection failure: #{e}") logger.close end end def screen_state(time_now) #decides wheter the monitor should be on or off return true if $node_data.nil? should_be_on = false $node_data["node_time_frames"].each do |timeframe| if within_range?(time_now, timeframe) should_be_on = true STDOUT.puts("Dentro de rango, ON") end end #STDOUT.puts("should_be_on: #{should_be_on}") return should_be_on end def first_time_timeoffset if $first_time_used == false sleep (10 + $offset) # 10 is a brief time so the whole system is initialized and dpms works correctly $first_time_used = true end end def should_act(time) # Returns whether the screen should be on/off; (true/false) based on Time.now screen_state_now = screen_state(time) monitor_is_x = `cat /sys/class/drm/card1-HDMI-A-1/enabled` monitor_state = true if monitor_is_x.include?("enabled") monitor_state = false if monitor_is_x.include?("disabled") STDOUT.puts("#{Time.now} monitor_state: #{monitor_state}") STDOUT.puts("#{Time.now}: Mon state: #{monitor_state} AND screen_state(time): #{screen_state(time)}") if screen_state_now #Should be on if monitor_state == false #So if it's off, then turn on turn_on STDOUT.puts("#{Time.now}: Monitor is turned ON") uri_for_on = URI("https://www.xxxxx.es/api/v1/nodes/#{$screen_access_code}/turned_on/#{Time.now.to_i}") response = Faraday.new(uri_for_on, request: { timeout: 10 }).get end else #Should be off if monitor_state == true #So if it's on, then turn off turn_off STDOUT.puts("#{Time.now}: Monitor is turned OFF") uri_for_off = URI("https://www.xxxxx.es/api/v1/nodes/#{$screen_access_code}/turned_off/#{Time.now.to_i}") response = Faraday.new(uri_for_off, request: { timeout: 10 }).get end end # daily restart if (uptime_in_seconds > 3600 && time.hour == 6) sleep (0+$offset) uri_for_restart = URI("https://www.xxxxx.es/api/v1/nodes/#{$screen_access_code}/restarted_at/#{Time.now.to_i}") response = Faraday.new(uri_for_restart, request: { timeout: 10 }).get restart_machine end # if uptime is less than 30 min, won't do nothing to avoid several restarts; restart before is meant to be about Time.now + ~{15..25} min if ($needrestart) uri_for_restart = URI("https://www.xxxxx.es/api/v1/nodes/#{$screen_access_code}/restarted_at/#{Time.now.to_i}") response = Faraday.new(uri_for_restart, request: { timeout: 10 }).get restart_machine end end def should_update(time) if ($counter == 0) get_node_data $counter = 5 # Minutes between petitions else $counter = $counter - 1 end end while true now = Time.now should_update(now) # update should_act(now) sleep 60 end require 'faraday' require 'faraday/net_http' require 'json' require 'date' require 'pry' Faraday.default_adapter = :net_http ############################################################################ $screen_access_code = `cat /ussrc/CODENAME`.split[0] #GET CODENAME FROM FILE ############################################################################ puts $screen_access_code $uri_for_data = URI("https://www.xxxxx.es/api/v1/nodes/#{$screen_access_code}/get_data") # $uri_for_data = URI("http://localhost:3000/api/v1/nodes/#{$screen_access_code}/get_data") $counter = 0 $offset = 0 # time offsets in second for each node. To avoid all request at the same time $last_updated = nil # For debugging purposes $restart_before = 0 $restarted_at = 0 $node_data = nil $first_time_used = false $needrestart = false `xset +dpms` #Energy Star features on `xset dpms 0 0 0` # unlimited time with 0 `xset s noblank` `xset s off` `xrandr --display :0 --output HDMI-1 --mode 1920x1080` # Specially to avoid changes in 2K monitors def turn_on; `xrandr --display :0 --output HDMI-1 --mode 1920x1080`end; def turn_off; `xrandr --display :0 --output HDMI-1 --off`end; #turn off screen def restart_machine; `sudo reboot`end; def uptime_in_seconds; IO.read('/proc/uptime').split[0].to_i end; #Time since OS started def within_range?(time_now, time_frame) # Define a hash that maps each day of the week to a number weekdays = { "monday" => 1, "tuesday" => 2, "wednesday" => 3, "thursday" => 4, "friday" => 5, "saturday" => 6, "sunday" => 7 } # Set times vars current_day = weekdays[time_now.strftime("%A").downcase] current_hour = time_now.hour current_minute = time_now.min start_day = time_frame["weekday_from"] # + 1 to adapt from wday to cwday start_hour = DateTime.parse(time_frame["time_from"]).hour start_minute = DateTime.parse(time_frame["time_from"]).min end_day = time_frame["weekday_till"] # + 1 to adapt from wday to cwday end_hour = DateTime.parse(time_frame["time_till"]).hour end_minute = DateTime.parse(time_frame["time_till"]).min # puts "start_day: #{start_day}, hora: #{start_hour}, minuto: #{start_minute}" # puts "current_day: #{current_day}, hora: #{current_hour}, minuto: #{current_minute}" # puts "end_day: #{end_day}, hora: #{end_hour}, minuto: #{end_minute}" start_time_minutes = (start_day - 1) * 1440 + start_hour * 60 + start_minute end_time_minutes = (end_day - 1) * 1440 + end_hour * 60 + end_minute current_time_minutes = (current_day - 1) * 1440 + current_hour * 60 + current_minute # Handle multi-week spans if end_time_minutes < start_time_minutes end_time_minutes += 7 * 1440 end # Handle the case where current time is in the next week if current_time_minutes < start_time_minutes current_time_minutes += 7 * 1440 end current_time_minutes >= start_time_minutes && current_time_minutes <= end_time_minutes end def get_node_data begin first_time_timeoffset # Artictial delay to avoid all request at the same time and dpmsto work conn = Faraday.new($uri_for_data, request: { timeout: 10 }) response = conn.get STDOUT.puts("Entering request") if (response.status == 200) data = JSON.parse(response.body) if (data.is_a?(Hash) && data["access_code"] == $screen_access_code) $offset = data["offset"] $restart_before = data["restart_before"] $restarted_at = data["restarted_at"] $node_data = data $needrestart = data["needrestart"] STDOUT.puts(" Node data updated: #{$screen_access_code}") end end rescue Exception => e logger = Logger.new("screen_monitor_service_error.log") logger.error("Connection failure: #{e}") logger.close end end def screen_state(time_now) #decides wheter the monitor should be on or off return true if $node_data.nil? should_be_on = false $node_data["node_time_frames"].each do |timeframe| if within_range?(time_now, timeframe) should_be_on = true STDOUT.puts("Dentro de rango, ON") end end #STDOUT.puts("should_be_on: #{should_be_on}") return should_be_on end def first_time_timeoffset if $first_time_used == false sleep (10 + $offset) # 10 is a brief time so the whole system is initialized and dpms works correctly $first_time_used = true end end def should_act(time) # Returns whether the screen should be on/off; (true/false) based on Time.now screen_state_now = screen_state(time) monitor_is_x = `cat /sys/class/drm/card1-HDMI-A-1/enabled` monitor_state = true if monitor_is_x.include?("enabled") monitor_state = false if monitor_is_x.include?("disabled") STDOUT.puts("#{Time.now} monitor_state: #{monitor_state}") STDOUT.puts("#{Time.now}: Mon state: #{monitor_state} AND screen_state(time): #{screen_state(time)}") if screen_state_now #Should be on if monitor_state == false #So if it's off, then turn on turn_on STDOUT.puts("#{Time.now}: Monitor is turned ON") uri_for_on = URI("https://www.xxxxx.es/api/v1/nodes/#{$screen_access_code}/turned_on/#{Time.now.to_i}") response = Faraday.new(uri_for_on, request: { timeout: 10 }).get end else #Should be off if monitor_state == true #So if it's on, then turn off turn_off STDOUT.puts("#{Time.now}: Monitor is turned OFF") uri_for_off = URI("https://www.xxx.es/api/v1/nodes/#{$screen_access_code}/turned_off/#{Time.now.to_i}") response = Faraday.new(uri_for_off, request: { timeout: 10 }).get end end # daily restart if (uptime_in_seconds > 3600 && time.hour == 6) sleep (0+$offset) uri_for_restart = URI("https://www.xxxxx.es/api/v1/nodes/#{$screen_access_code}/restarted_at/#{Time.now.to_i}") response = Faraday.new(uri_for_restart, request: { timeout: 10 }).get restart_machine end # if uptime is less than 30 min, won't do nothing to avoid several restarts; restart before is meant to be about Time.now + ~{15..25} min if ($needrestart) uri_for_restart = URI("https://www.xxxxx.es/api/v1/nodes/#{$screen_access_code}/restarted_at/#{Time.now.to_i}") response = Faraday.new(uri_for_restart, request: { timeout: 10 }).get restart_machine end end def should_update(time) if ($counter == 0) get_node_data $counter = 5 # Minutes between petitions else $counter = $counter - 1 end end while true now = Time.now should_update(now) # update should_act(now) sleep 60 end 2025.01.22 11:45 Here2Progress LISA - Would it be worth it in 5 years?
I’m 19 and yet to open a LISA. I find all aspects of a LISA to be beneficial, however I’m now questioning if the budget will be high enough by the time I decide to get a house.
Since the LISA was introduced, the market has gone up 30% and the budget has remained the same. I’ve seen some talks online about them reevaluating or terminating the LISA, but I don’t know how legit those sources are.
It will be another 4-5 years before I consider getting a house, but by then the market would have gone up even more.
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