require 'net/http'

HOST = '192.168.1.1'
PORT = 80

Net::HTTP.start(HOST, PORT) do |http|

  req = Net::HTTP::Post.new '/osc/commands/execute'
  req.body = <<EOF
{
    "name": "camera.startSession",
    "parameters": {}
}
EOF

  # POSTする
  res = http.request req

  # 結果を見る
  puts res.body
  
end