sc_cli/params/shared_params.rs
1// This file is part of Substrate.
2
3// Copyright (C) Parity Technologies (UK) Ltd.
4// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
5
6// This program is free software: you can redistribute it and/or modify
7// it under the terms of the GNU General Public License as published by
8// the Free Software Foundation, either version 3 of the License, or
9// (at your option) any later version.
10
11// This program is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License
17// along with this program. If not, see <https://www.gnu.org/licenses/>.
18
19use crate::arg_enums::TracingReceiver;
20use clap::Args;
21use sc_service::config::BasePath;
22use std::path::PathBuf;
23
24/// Shared parameters used by all `CoreParams`.
25#[derive(Debug, Clone, Args)]
26pub struct SharedParams {
27 /// Specify the chain specification.
28 ///
29 /// It can be one of the predefined ones (dev, local, or staging) or it can be a path to
30 /// a file with the chainspec (such as one exported by the `build-spec` subcommand).
31 #[arg(long, value_name = "CHAIN_SPEC")]
32 pub chain: Option<String>,
33
34 /// Specify the development chain.
35 ///
36 /// This flag sets `--chain=dev`, `--force-authoring`, `--rpc-cors=all`,
37 /// `--alice`, and `--tmp` flags, unless explicitly overridden.
38 /// It also disables local peer discovery (see --no-mdns and --discover-local)
39 #[arg(long, conflicts_with_all = &["chain"])]
40 pub dev: bool,
41
42 /// Specify custom base path.
43 #[arg(long, short = 'd', value_name = "PATH")]
44 pub base_path: Option<PathBuf>,
45
46 /// Sets a custom logging filter (syntax: `<target>=<level>`).
47 ///
48 /// Log levels (least to most verbose) are `error`, `warn`, `info`, `debug`, and `trace`.
49 ///
50 /// By default, all targets log `info`. The global log level can be set with `-l<level>`.
51 ///
52 /// Multiple `<target>=<level>` entries can be specified and separated by a comma.
53 ///
54 /// *Example*: `--log error,sync=debug,grandpa=warn`.
55 /// Sets Global log level to `error`, sets `sync` target to debug and grandpa target to `warn`.
56 #[arg(short = 'l', long, value_name = "LOG_PATTERN", num_args = 1..)]
57 pub log: Vec<String>,
58
59 /// Enable detailed log output.
60 ///
61 /// Includes displaying the log target, log level and thread name.
62 ///
63 /// This is automatically enabled when something is logged with any higher level than `info`.
64 #[arg(long)]
65 pub detailed_log_output: bool,
66
67 /// Disable log color output.
68 #[arg(long)]
69 pub disable_log_color: bool,
70
71 /// Enable feature to dynamically update and reload the log filter.
72 ///
73 /// Be aware that enabling this feature can lead to a performance decrease up to factor six or
74 /// more. Depending on the global logging level the performance decrease changes.
75 ///
76 /// The `system_addLogFilter` and `system_resetLogFilter` RPCs will have no effect with this
77 /// option not being set.
78 #[arg(long)]
79 pub enable_log_reloading: bool,
80
81 /// Sets a custom profiling filter.
82 ///
83 /// Syntax is the same as for logging (`--log`).
84 #[arg(long, value_name = "TARGETS")]
85 pub tracing_targets: Option<String>,
86
87 /// Receiver to process tracing messages.
88 #[arg(long, value_name = "RECEIVER", value_enum, ignore_case = true, default_value_t = TracingReceiver::Log)]
89 pub tracing_receiver: TracingReceiver,
90}
91
92impl SharedParams {
93 /// Specify custom base path.
94 pub fn base_path(&self) -> Result<Option<BasePath>, crate::Error> {
95 match &self.base_path {
96 Some(r) => Ok(Some(r.clone().into())),
97 // If `dev` is enabled, we use the temp base path.
98 None if self.is_dev() => Ok(Some(BasePath::new_temp_dir()?)),
99 None => Ok(None),
100 }
101 }
102
103 /// Specify the development chain.
104 pub fn is_dev(&self) -> bool {
105 self.dev
106 }
107
108 /// Get the chain spec for the parameters provided
109 pub fn chain_id(&self, is_dev: bool) -> String {
110 match self.chain {
111 Some(ref chain) => chain.clone(),
112 None =>
113 if is_dev {
114 "dev".into()
115 } else {
116 "".into()
117 },
118 }
119 }
120
121 /// Get the filters for the logging
122 pub fn log_filters(&self) -> &[String] {
123 &self.log
124 }
125
126 /// Should the detailed log output be enabled.
127 pub fn detailed_log_output(&self) -> bool {
128 self.detailed_log_output
129 }
130
131 /// Should the log color output be disabled?
132 pub fn disable_log_color(&self) -> bool {
133 self.disable_log_color
134 }
135
136 /// Is log reloading enabled
137 pub fn enable_log_reloading(&self) -> bool {
138 self.enable_log_reloading
139 }
140
141 /// Receiver to process tracing messages.
142 pub fn tracing_receiver(&self) -> sc_service::TracingReceiver {
143 self.tracing_receiver.into()
144 }
145
146 /// Comma separated list of targets for tracing.
147 pub fn tracing_targets(&self) -> Option<String> {
148 self.tracing_targets.clone()
149 }
150}