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hash = {
  hosts: [
    # First connect is to remotehost1
    { login: 'login1', passcode: 'passcode1', host: 'remotehost1', port: 61_612, ssl: true },
    # First failover connect is to remotehost2
    { login: 'login2', passcode: 'passcode2', host: 'remotehost2', port: 61_613, ssl: false }
  ],
  # These are the default parameters and do not need to be set
  reliable: true,                  # reliable (use failover)
  initial_reconnect_delay: 0.01,   # initial delay before reconnect (secs)
  max_reconnect_delay: 30.0,       # max delay before reconnect
  use_exponential_back_off: true,  # increase delay between reconnect attpempts
  back_off_multiplier: 2,          # next delay multiplier
  max_reconnect_attempts: 0,       # retry forever, use # for maximum attempts
  randomize: false,                # do not radomize hosts hash before reconnect
  connect_timeout: 0,              # Timeout for TCP/TLS connects, use # for max seconds
  connect_headers: {},             # user supplied CONNECT headers (req'd for Stomp 1.1+)
  parse_timeout: 5,                # IO::select wait time on socket reads
  logger: nil,                     # user suplied callback logger instance
  dmh: false,                      # do not support multihomed IPV4 / IPV6 hosts during failover
  closed_check: true,              # check first if closed in each protocol method
  hbser: false,                    # raise on heartbeat send exception
  stompconn: false,                # Use STOMP instead of CONNECT
  usecrlf: false,                  # Use CRLF command and header line ends (1.2+)
  max_hbread_fails: 0,             # Max HB read fails before retry.  0 => never retry
  max_hbrlck_fails: 0,             # Max HB read lock obtain fails before retry.  0 => never retry
  fast_hbs_adjust: 0.0,            # Fast heartbeat senders sleep adjustment, seconds, needed ...
  # For fast heartbeat senders.  'fast' == YMMV.  If not
  # correct for your environment, expect unnecessary fail overs
  connread_timeout: 0,             # Timeout during CONNECT for read of CONNECTED/ERROR, secs
  tcp_nodelay: true,               # Turns on the TCP_NODELAY socket option; disables Nagle's algorithm
  start_timeout: 0,                # Timeout around Stomp::Client initialization
  sslctx_newparm: nil,             # Param for SSLContext.new
  ssl_post_conn_check: true,       # Further verify broker identity
  nto_cmd_read: true,              # No timeout on COMMAND read
}

# for a client
client = Stomp::Client.new(hash)

# for a connection
connection = Stomp::Connection.new(hash)

client = Stomp::Client.new("user", "pass", "localhost", 61613)
client.publish("/queue/mine", "hello world!")
client.subscribe("/queue/mine") do |msg|
    p msg
end

options = 'initialReconnectDelay=5000&randomize=false&useExponentialBackOff=false'
# remotehost1 uses SSL, remotehost2 doesn't
client = Stomp::Client.new("failover:(stomp+ssl://login1:passcode1@remotehost1:61612,stomp://login2:passcode2@remotehost2:61613)?#{options}")
client.publish('/queue/mine', 'hello world!')
client.subscribe('/queue/mine') do |msg|
  p msg
end