ligo/src/client_main.ml
2017-04-10 18:31:37 +02:00

112 lines
4.0 KiB
OCaml

(**************************************************************************)
(* *)
(* Copyright (c) 2014 - 2016. *)
(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
(* *)
(* All rights reserved. No warranty, explicit or implicit, provided. *)
(* *)
(**************************************************************************)
(* Tezos Command line interface - Main Program *)
open Lwt.Infix
open Client_commands
open Error_monad
let cctxt config rpc_config =
let startup =
CalendarLib.Printer.Precise_Calendar.sprint
"%Y-%m-%dT%H:%M:%SZ"
(CalendarLib.Calendar.Precise.now ()) in
let log channel msg = match channel with
| "stdout" ->
print_endline msg ;
Lwt.return ()
| "stderr" ->
prerr_endline msg ;
Lwt.return ()
| log ->
let (//) = Filename.concat in
Lwt_utils.create_dir (config.base_dir // "logs" // log) >>= fun () ->
Lwt_io.with_file
~flags: Unix.[ O_APPEND ; O_CREAT ; O_WRONLY ]
~mode: Lwt_io.Output
Client_commands.(config.base_dir // "logs" // log // startup)
(fun chan -> Lwt_io.write chan msg) in
Client_commands.make_context ~config ~rpc_config log
(* Main (lwt) entry *)
let main () =
Random.self_init () ;
Sodium.Random.stir () ;
Lwt.catch begin fun () ->
let parsed_config_file, block = Client_config.preparse_args Sys.argv in
let rpc_config : Client_rpcs.config = {
Client_rpcs.default_config with
host = parsed_config_file.node_addr ;
port = parsed_config_file.node_port ;
tls = parsed_config_file.tls ;
} in
begin
Client_node_rpcs.Blocks.protocol rpc_config block >>= function
| Ok version ->
Lwt.return (Some version, Client_commands.commands_for_version version)
| Error errs ->
Format.eprintf
"@[<v 2>Ignored error:@,Failed to acquire the protocol version from the node@,%a@."
(Format.pp_print_list pp) errs ;
Lwt.return (None, [])
end >>= fun (_version, commands_for_version) ->
let commands =
Client_generic_rpcs.commands @
Client_network.commands () @
Client_keys.commands () @
Client_protocols.commands () @
Client_helpers.commands () @
commands_for_version in
(Client_config.parse_args
(Cli_entries.usage ~commands)
(Cli_entries.inline_dispatch commands)
Sys.argv >>=? fun (command, parsed_args) ->
let config : Client_commands.cfg = {
base_dir = parsed_config_file.base_dir ;
force = parsed_args.force ;
block ;
web_port = Client_commands.default_cfg.web_port ;
} in
let rpc_config =
if parsed_args.print_timings then
{ rpc_config with
logger = Client_rpcs.timings_logger Format.err_formatter }
else
rpc_config
in
command (cctxt config rpc_config)) >>= function
| Ok () ->
Lwt.return 0
| Error errs ->
Format.eprintf "@[<v 2>Fatal error:@,%a@.\
Try `-help` for a list of options and commands.@."
(Format.pp_print_list Error_monad.pp) errs ;
Lwt.return 1
end begin function
| Arg.Help help ->
Format.printf "%s%!" help ;
Lwt.return 0
| Client_commands.Version_not_found ->
Format.eprintf "Unknown protocol version, try `list versions`.@." ;
Lwt.return 1
| Failure message ->
Format.eprintf
"Fatal error: %s@.\
Try `-help` for a list of options and commands.@." message ;
Lwt.return 1
| exn ->
Format.printf "Fatal internal error: %s@."
(Printexc.to_string exn) ;
Lwt.return 1
end
(* Where all the user friendliness starts *)
let () = Pervasives.exit (Lwt_main.run (main ()))