listen_address = "0.0.0.0:8081"
metric_address = "127.0.0.1:8403"
log_level = "info"
# random, round_robin, least_loaded_time,uri_hash, frist
balance = "frist"

# balance = "roundrobin"

[backends]

# local server 1
[backends.local1]
protocol = "http2"
# cafile for client auth
address = "localhost:8443"
# retry timeout when the backend fail to connect remote server
retry_timeout = 3
# 0 is no max retries
max_retries = 0

cacert = "../certs_server/ca.crt"
client_key = "../certs_client/client.key"
client_cert = "../certs_client/client.crt"

http2 = { keep_alive_interval = 1, keep_alive_timeout = 1, keep_alive_while_idle = true }
# keep_alive_interval
# Sets an interval for HTTP2 Ping frames should be sent to keep a connection alive.

# keep_alive_timeout
# Sets a timeout for receiving an acknowledgement of the keep-alive ping.
# If the ping is not acknowledged within the timeout, the connection will be closed

# keep_alive_while_idle
# Sets whether HTTP2 keep-alive should apply while the connection is idle.
# If disabled, keep-alive pings are only sent while there are open request/responses streams.
# If enabled, pings are also sent when no streams are active.

# bbr, cubic
quic = { max_idle_timeout = 200, keep_alive_interval = 0, ipv4_only = true, expected_rtt = 300, max_stream_bandwidth = 2097152, congestion = "bbr" }

# server 2
[backends.remote1]
status = "force_closed"
protocol = "quic"
# cafile for client auth
address = "localhost:8444"
# retry timeout when the backend fail to connect remote server
retry_timeout = 30

cacert = "../certs_server/ca.crt"
client_key = "../certs_client/client.key"
client_cert = "../certs_client/client.crt"