ligo/bin_node/node_shared_arg.ml

281 lines
8.4 KiB
OCaml

(**************************************************************************)
(* *)
(* Copyright (c) 2014 - 2017. *)
(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
(* *)
(* All rights reserved. No warranty, explicit or implicit, provided. *)
(* *)
(**************************************************************************)
open Cmdliner
open Logging.Node.Main
let (//) = Filename.concat
type t = {
data_dir: string option ;
config_file: string ;
min_connections: int option ;
expected_connections: int option ;
max_connections: int option ;
max_download_speed: int option ;
max_upload_speed: int option ;
binary_chunks_size: int option ;
peer_table_size: int option ;
expected_pow: float option ;
peers: string list ;
no_bootstrap_peers: bool ;
listen_addr: string option ;
rpc_listen_addr: string option ;
closed: bool ;
cors_origins: string list ;
cors_headers: string list ;
rpc_tls: Node_config_file.tls option ;
log_output: Logging.Output.t option ;
bootstrap_threshold: int option ;
}
let wrap
data_dir config_file
connections max_download_speed max_upload_speed binary_chunks_size
peer_table_size
listen_addr peers no_bootstrap_peers closed expected_pow
rpc_listen_addr rpc_tls
cors_origins cors_headers log_output =
let actual_data_dir =
Option.unopt ~default:Node_config_file.default_data_dir data_dir in
let config_file =
Option.unopt ~default:(actual_data_dir // "config.json") config_file in
let rpc_tls =
Option.map
~f:(fun (cert, key) -> { Node_config_file.cert ; key })
rpc_tls in
(* when `--expected-connections` is used,
override all the bounds defined in the configuration file. *)
let bootstrap_threshold,
min_connections, expected_connections, max_connections =
match connections with
| None -> None, None, None, None
| Some x -> Some (min (x/4) 2), Some (x/2), Some x, Some (3*x/2) in
{ data_dir ;
config_file ;
min_connections ;
expected_connections ;
max_connections ;
max_download_speed ;
max_upload_speed ;
binary_chunks_size ;
expected_pow ;
peers ;
no_bootstrap_peers ;
listen_addr ;
rpc_listen_addr ;
closed ;
cors_origins ;
cors_headers ;
rpc_tls ;
log_output ;
peer_table_size ;
bootstrap_threshold ;
}
module Manpage = struct
let misc_section = "MISC OPTIONS"
let network_section = "NETWORK OPTIONS"
let rpc_section = "RPC OPTIONS"
let args = [
`S network_section ;
`S rpc_section ;
`S misc_section ;
]
let bugs = [
`S "BUGS";
`P "Check bug reports at https://github.com/tezos/tezos/issues.";
]
end
module Term = struct
let log_output_converter =
(fun s -> match Logging.Output.of_string s with
| Some res -> `Ok res
| None -> `Error s),
Logging.Output.pp
(* misc args *)
let docs = Manpage.misc_section
let log_output =
let doc =
"Log output. Either $(i,stdout), $(i,stderr), \
$(i,syslog:<facility>) or a file path." in
Arg.(value & opt (some log_output_converter) None &
info ~docs ~docv:"OUTPUT" ~doc ["log-output"])
let data_dir =
let doc =
"The directory where the Tezos node will store all its data." in
Arg.(value & opt (some string) None &
info ~docs ~doc ~docv:"DIR" ["data-dir"])
let config_file =
let doc = "The main configuration file." in
Arg.(value & opt (some string) None &
info ~docs ~doc ~docv:"FILE" ["config-file"])
(* net args *)
let docs = Manpage.network_section
let connections =
let doc =
"The number of running connections that we aim for." in
Arg.(value & opt (some int) None &
info ~docs ~doc ~docv:"NUM" ["connections"])
let max_download_speed =
let doc =
"The maximum number of bytes read per second." in
Arg.(value & opt (some int) None &
info ~docs ~doc ~docv:"NUM" ["max-download-speed"])
let max_upload_speed =
let doc =
"The maximum number of bytes sent per second." in
Arg.(value & opt (some int) None &
info ~docs ~doc ~docv:"NUM" ["max-upload-speed"])
let binary_chunks_size =
let doc =
Format.sprintf
"Size limit (in kB) of binary blocks that are sent to other peers."
in
Arg.(value & opt (some int) None &
info ~docs ~doc ~docv:"NUM" ["binary-chunks-size"])
let peer_table_size =
let doc = "Maximum size of internal peer tables, \
used to store metadata/logs about a peer or about a \
to-be-authenticated host:port couple." in
Arg.(value & opt (some int) None &
info ~docs ~doc ~docv:"NUM" ["peer-table-size"])
let listen_addr =
let doc =
"The TCP address and port at which this instance can be reached." in
Arg.(value & opt (some string) None &
info ~docs ~doc ~docv:"ADDR:PORT" ["net-addr"])
let no_bootstrap_peers =
let doc =
"Ignore the peers found in the config file (or the hard-coded \
bootstrap peers in the absence of config file)." in
Arg.(value & flag &
info ~docs ~doc ["no-bootstrap-peers"])
let peers =
let doc =
"A peer to bootstrap the network from. \
Can be used several times to add several peers." in
Arg.(value & opt_all string [] &
info ~docs ~doc ~docv:"ADDR:PORT" ["peer"])
let expected_pow =
let doc =
"Expected level of proof-of-work for peers identity." in
Arg.(value & opt (some float) None &
info ~docs ~doc ~docv:"FLOAT" ["expected-pow"])
let closed =
let doc =
"Only accept connections from the configured bootstrap peers." in
Arg.(value & flag & info ~docs ~doc ["closed"])
(* rpc args *)
let docs = Manpage.rpc_section
let rpc_listen_addr =
let doc =
"The TCP socket address at which this RPC server \
instance can be reached." in
Arg.(value & opt (some string) None &
info ~docs ~doc ~docv:"ADDR:PORT" ["rpc-addr"])
let rpc_tls =
let doc =
"Enable TLS for this RPC server \
with the provided certificate and key." in
Arg.(value & opt (some (pair string string)) None &
info ~docs ~doc ~docv:"crt,key" ["rpc-tls"])
let cors_origins =
let doc =
"CORS origin allowed by the RPC server \
via Access-Control-Allow-Origin; may be used multiple times" in
Arg.(value & opt_all string [] &
info ~docs ~doc ~docv:"ORIGIN" ["cors-origin"])
let cors_headers =
let doc =
"Header reported by Access-Control-Allow-Headers \
reported during CORS preflighting; may be used multiple times" in
Arg.(value & opt_all string [] &
info ~docs ~doc ~docv:"HEADER" ["cors-header"])
let args =
let open Term in
const wrap $ data_dir $ config_file
$ connections
$ max_download_speed $ max_upload_speed $ binary_chunks_size
$ peer_table_size
$ listen_addr $ peers $ no_bootstrap_peers $ closed $ expected_pow
$ rpc_listen_addr $ rpc_tls
$ cors_origins $ cors_headers
$ log_output
end
let read_and_patch_config_file ?(ignore_bootstrap_peers=false) args =
begin
if Sys.file_exists args.config_file then
Node_config_file.read args.config_file
else
return Node_config_file.default_config
end >>=? fun cfg ->
let { data_dir ;
min_connections ; expected_connections ; max_connections ;
max_download_speed ; max_upload_speed ; binary_chunks_size ;
peer_table_size ;
expected_pow ;
peers ; no_bootstrap_peers ;
listen_addr ; closed ;
rpc_listen_addr ; rpc_tls ;
cors_origins ; cors_headers ;
log_output ;
bootstrap_threshold ;
} = args in
let bootstrap_peers =
if no_bootstrap_peers || ignore_bootstrap_peers
then begin
log_info "Ignoring bootstrap peers" ;
peers
end else
cfg.net.bootstrap_peers @ peers in
Node_config_file.update
?data_dir ?min_connections ?expected_connections ?max_connections
?max_download_speed ?max_upload_speed ?binary_chunks_size
?peer_table_size ?expected_pow
~bootstrap_peers ?listen_addr ?rpc_listen_addr
~closed ~cors_origins ~cors_headers ?rpc_tls ?log_output
?bootstrap_threshold cfg