Update hardware survey to be able to collect the same data as on windows, mostly.

lib/hardware_survey.rb

@@ -2,7 +2,7 @@ class W3DHub
   class HardwareSurvey
     attr_reader :data
 
-    def initialize
+    def initialize(displays_only: false)
       @data = {
         displays: [],
         system: {
@@ -26,8 +26,6 @@ class W3DHub
         }
       }
 
-      # Hardware survey only works on Windows atm
-
       if Gem::win_platform?
         lib_dir = File.dirname($LOADED_FEATURES.find { |file| file.include?("gosu.so") })
         SDL.load_lib("#{lib_dir}64/SDL2.dll")
@@ -36,11 +34,13 @@ class W3DHub
       end
 
       query_displays
+      unless displays_only
         query_motherboard
         query_operating_system
         query_cpus
         query_ram
         query_gpus
+      end
 
       @data.freeze
     end
@@ -68,8 +68,8 @@ class W3DHub
     end
 
     def query_motherboard
-      return unless Gem::win_platform?
+      if Gem::win_platform?
-
+        begin
           Win32::Registry::HKEY_LOCAL_MACHINE.open("HARDWARE\\DESCRIPTION\\System\\BIOS", Win32::Registry::KEY_READ) do |reg|
             @data[:system][:motherboard][:manufacturer]      = safe_reg(reg, "SystemManufacturer")
             @data[:system][:motherboard][:model]             = safe_reg(reg, "SystemProductName")
@@ -84,10 +84,16 @@ class W3DHub
           @data[:system][:motherboard][:bios_release_date] = "Unknown"
           @data[:system][:motherboard][:bios_version]      = "Unknown"
         end
+      else # unix
+        @data[:system][:motherboard][:manufacturer]      = safe_file("/sys/devices/virtual/dmi/id/board_vendor")
+        @data[:system][:motherboard][:model]             = safe_file("/sys/devices/virtual/dmi/id/board_name")
+        @data[:system][:motherboard][:bios_version]      = safe_file("/sys/devices/virtual/dmi/id/board_version")
+      end
+    end
 
     def query_operating_system
-      return unless Gem::win_platform?
+      if Gem::win_platform?
-
+        begin
           Win32::Registry::HKEY_LOCAL_MACHINE.open("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", Win32::Registry::KEY_READ) do |reg|
             @data[:system][:operating_system][:name]    = safe_reg(reg, "ProductName")
             @data[:system][:operating_system][:build]   = safe_reg(reg, "CurrentBuild")
@@ -100,6 +106,14 @@ class W3DHub
           @data[:system][:operating_system][:version] = "Unknown"
           @data[:system][:operating_system][:edition] = "Unknown"
         end
+      else # unix
+        release_info = query_release_info
+        @data[:system][:operating_system][:name]    = release_info["pretty_name"] || release_info["name"] || "Unknown"
+        @data[:system][:operating_system][:build]   = release_info["version_codename"] || release_info["build_id"] || "Unknown"
+        @data[:system][:operating_system][:version] = release_info["version_id"] || release_info["build_id"] || "Unknown"
+        @data[:system][:operating_system][:edition] = release_info["id"] || release_info["id_like"] || "Unknown"
+      end
+    end
 
     def query_cpus
       if Gem::win_platform?
@@ -122,6 +136,16 @@ class W3DHub
           end
         rescue Win32::Registry::Error
         end
+      else
+        cpu_info = query_cpu_info
+        cpu_info.each do |cpu|
+          @data[:system][:cpus] << {
+            manufacturer: cpu["manufacturer"] || "Unknown",
+            model: cpu["model"] || "Unknown",
+            mhz: cpu["mhz"] || "Unknown",
+            family: cpu["family"] || "Unknown"
+          }
+        end
       end
 
       instruction_sets = %w[ HasRDTSC HasAltiVec HasMMX Has3DNow HasSSE HasSSE2 HasSSE3 HasSSE41 HasSSE42 HasAVX HasAVX2 HasAVX512F HasARMSIMD HasNEON ] # HasLSX HasLASX # These cause a crash atm
@@ -140,8 +164,8 @@ class W3DHub
     end
 
     def query_gpus
-      return unless Gem::win_platform?
+      if Gem::win_platform?
-
+        begin
           Win32::Registry::HKEY_LOCAL_MACHINE.open("SYSTEM\\ControlSet001\\Control\\Class\\{4d36e968-e325-11ce-bfc1-08002be10318}", Win32::Registry::KEY_READ) do |reg|
             i = 0
 
@@ -179,11 +203,149 @@ class W3DHub
           end
         rescue Win32::Registry::Error
         end
+      else # unix
+        gpu_info = query_glx_info
+        gpu_info.each do |gpu|
+          @data[:system][:gpus] << {
+            manufacturer: gpu["manufacturer"] || "Unknown",
+            model: gpu["model"] || "Unknown",
+            vram: gpu["vram"].to_i,
+            driver_date: gpu["driver_date"] || "Unknown",
+            driver_version: gpu["driver_version"] || "Unknown"
+          }
+        end
+      end
+    end
 
     def safe_reg(reg, key, default_value = "Unknown")
       reg[key]
     rescue Win32::Registry::Error
       default_value
     end
+
+    def safe_file(path, default_value = "Unknown")
+      value = File.read(path).to_s.strip
+      return default_value if value.downcase == "default string"
+
+      value
+    rescue
+      default_value
+    end
+
+    def query_release_info
+      hash = {}
+
+      File.open("/etc/os-release") do |f|
+        f.each_line do |line|
+          line = line.strip
+
+          key, value = line.split("=", 2)
+          value.gsub!('"', "")
+
+          hash[key.downcase] = value
+        end
+      end
+
+      hash
+    rescue
+      hash
+    end
+
+    def query_cpu_info
+      cpus = []
+
+      cpu = {}
+      File.open("/proc/cpuinfo") do |f|
+        f.each_line do |line|
+          line = line.strip
+
+          if line.empty?
+            cpu["family"] = format(
+              "%s Family %s Model %s Stepping %s",
+              cpu["manufacturer"] || "Unknown",
+              cpu["_family"] || "Unknown",
+              cpu["_model"] || "Unknown",
+              cpu["_stepping"] || "Unknown",
+            )
+
+            cpus << cpu
+            cpu = {}
+
+            next
+          end
+
+          key, value = line.split(":", 2).map(&:strip)
+
+          case key.downcase
+          when "vendor_id"
+            cpu["manufacturer"] = value
+          when "model name"
+            cpu["model"] = value
+          when "cpu mhz"
+            cpu["mhz"] = value
+
+          when "cpu family"
+            cpu["_family"] = value
+          when "model"
+            cpu["_model"] = value
+          when "stepping"
+            cpu["_stepping"] = value
+          end
+        end
+      end
+
+      cpus
+    rescue
+      cpus
+    end
+
+    def query_glx_info
+      gpus = []
+      glxinfo = `glxinfo`
+
+      return gpus if glxinfo.empty?
+
+      gpu = {}
+      glxinfo.lines do |line|
+        line = line.strip
+
+        next if line.empty?
+
+        key, value = line.split(":", 2).map(&:strip)
+
+        mesa_info = false
+        gpu_memory_info = false
+        case key.downcase
+        when "opengl vendor string"
+          if mesa_info
+            gpus << gpu
+            gpu = {}
+
+            break
+          end
+        when /extended renderer info \(GLX_MESA_query_renderer\)/i
+          # Joy and happiness
+          mesa_info = true
+        when /Memory info \(GL_NVX_gpu_memory_info\)/i
+          # Happiness and joy
+          gpu_memory_info = true
+        when "vendor", "opengl vendor string"
+          gpu["manufacturer"] = value
+        when "device", "opengl renderer string"
+          gpu["model"] = value
+        when "version"
+          gpu["driver_version"] = value
+        when "video memory", "dedicated video memory"
+          gpu["vram"] = value.gsub(/[\D]+/, "")
+        when "opengl version string"
+          gpus << gpu
+          gpu = {}
+
+          break
+        end
+      end
+
+      gpus
+    end
   end
 end