From 7b35ea96bb34d6155f012295b4c94ff946ddefd5 Mon Sep 17 00:00:00 2001
From: Artur Gurgul <artur@gurgul.pro>
Date: Fri, 29 Aug 2025 15:52:53 +0200
Subject: [PATCH] save

---
 bin/sq         | 100 +++++++++++++++++++++++++++++++++++++++++++++++++
 lib/vm/qemu.rb |  16 ++++++++
 2 files changed, 116 insertions(+)
 create mode 100755 bin/sq

diff --git a/bin/sq b/bin/sq
new file mode 100755
index 0000000..78b9236
--- /dev/null
+++ b/bin/sq
@@ -0,0 +1,100 @@
+#!/usr/bin/env ruby
+require 'socket'
+
+# Path to QEMU monitor socket
+sock_path = "/tmp/qemu-monitor.sock"
+
+# Connect to UNIX socket
+sock = UNIXSocket.new(sock_path)
+
+# Read greeting from QEMU (optional)
+puts sock.readline rescue nil
+
+# Function to send a single keystroke
+def send_key(sock, key)
+  cmd = "sendkey #{key}\n"
+  puts ">>> #{cmd.strip}"
+  sock.write(cmd)
+end
+
+def char_to_key(ch)
+  case ch
+  # Control characters
+  when "\n" then "ret"
+  when "\t" then "tab"
+  when " "  then "spc"
+  when "\e" then "esc"
+  when "\b" then "backspace"
+
+  # Lowercase letters
+  when "a".."z" then ch
+
+  # Uppercase letters (shift + letter)
+  when "A".."Z" then "shift-#{ch.downcase}"
+
+  # Digits
+  when "0".."9" then ch
+
+  # Shifted number row
+  when "!" then "shift-1"
+  when "@" then "shift-2"
+  when "#" then "shift-3"
+  when "$" then "shift-4"
+  when "%" then "shift-5"
+  when "^" then "shift-6"
+  when "&" then "shift-7"
+  when "*" then "shift-8"
+  when "(" then "shift-9"
+  when ")" then "shift-0"
+
+  when "-" then "minus"
+  when "_" then "shift-minus"
+  when "=" then "equal"
+  when "+" then "shift-equal"
+  when "[" then "bracket_left"
+  when "{" then "shift-bracket_left"
+  when "]" then "bracket_right"
+  when "}" then "shift-bracket_right"
+  when "\\" then "backslash"
+  when "|" then "shift-backslash"
+  when ";" then "semicolon"
+  when ":" then "shift-semicolon"
+  when "'" then "apostrophe"
+  when "\"" then "shift-apostrophe"
+  when "," then "comma"
+  when "<" then "shift-comma"
+  when "." then "dot"
+  when ">" then "shift-dot"
+  when "/" then "slash"
+  when "?" then "shift-slash"
+  when "`" then "grave_accent"
+  when "~" then "shift-grave_accent"
+
+  else
+    raise "Unsupported character: #{ch.inspect}"
+  end
+end
+
+if ARGV[0]
+    puts ARGV[0]
+    input = ARGV[0]
+    puts "Typing: #{input.inspect}"
+
+  input.chars.each do |ch|
+    send_key(sock, char_to_key(ch))
+    sleep 0.1
+  end
+
+else
+    # Example: type "hello<Enter>"
+    %w[p a s s ret].each do |k|
+    send_key(sock, k)
+    sleep 0.1
+    end
+end
+
+sock.close
+
+
+# (qemu) screendump /Volumes/Cache/homes/debian/guaset.ppm
+# ffmpeg -y -i guaset.ppm guest.png
\ No newline at end of file
diff --git a/lib/vm/qemu.rb b/lib/vm/qemu.rb
index 3e86d69..506e6bc 100644
--- a/lib/vm/qemu.rb
+++ b/lib/vm/qemu.rb
@@ -152,6 +152,7 @@ module Qemu
 
       # -virtfs local,path=.,mount_tag=hostfs,security_model=passthrough,id=hostfs
       # mount -t 9p -o trans=virtio,version=9p2000.L hostfs /mnt
+      # sudo mount -t 9p hostfs /home/user/Share -o trans=virtio,version=9p2000.L,uid=1000,gid=1000,msize=262144,cache=mmap
       
       # hostfs   /home    9p   trans=virtio,version=9p2000.L,uid=1000,gid=1000,msize=262144,cache=mmap,nofail 0 0
       # hostfs   /share   9p   trans=virtio,version=9p2000.L,uid=1000,gid=1000,msize=262144,cache=mmap,nofail 0 0
@@ -237,6 +238,7 @@ module Qemu
 
         ### TODO: remove
         port = 2222
+        args += ['-device', 'virtio-net-pci,netdev=net0']
         args += ['-netdev', "user,id=net0,hostfwd=tcp:127.0.0.1:#{port}-:22,hostfwd=udp:127.0.0.1:6544-:6544"]
         args += ['-virtfs', 'local,path=.,mount_tag=hostfs,security_model=passthrough,id=hostfs']
         ### TODO END
@@ -326,3 +328,17 @@ module Qemu
 end
 
 
+
+
+## Works on MacOS=
+# -monitor unix:/tmp/qemu-monitor.sock,server,nowait
+# nc -U /tmp/qemu-monitor.sock
+# instead of args += ['-monitor', 'stdio']
+
+
+
+
+# 9P 
+# sudo mount -t 9p hostfs /home/user/Share \
+#   -o trans=virtio,version=9p2000.L,msize=262144,cache=mmap,access=any,dfltuid=1000,dfltgid=1000
+# sudo chown -hR 1000:1000 /home/user/Share
\ No newline at end of file