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Adding nice error messages for invalid configs.

This commit is contained in:
Tomasz Drwięga 2016-09-11 11:52:12 +02:00
parent 62de1c3891
commit b7bf10d62d
7 changed files with 271 additions and 154 deletions
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2
parity/cli/config.full.toml
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@ -93,6 +93,6 @@ jit = false
[misc]
logging = "own_tx=trace"
log_file = "/var/log/parity.log"
no_color = false
color = true

2
parity/cli/config.invalid1.toml Normal file
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@ -0,0 +1,2 @@
[account
unlock = "0x1"

4
parity/cli/config.invalid2.toml Normal file
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@ -0,0 +1,4 @@
[account]
unlock = "0x1"
passwd = []

2
parity/cli/config.toml
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@ -60,4 +60,4 @@ jit = false
[misc]
logging = "own_tx=trace"
log_file = "/var/log/parity.log"
no_color = false
color = true

286
parity/cli/mod.rs
View File

@ -71,151 +71,151 @@ usage! {
}
{
// -- Operating Options
flag_mode: String = "active", or |c: &Config| c.parity.mode.clone(),
flag_mode_timeout: u64 = 300u64, or |c: &Config| c.parity.mode_timeout.clone(),
flag_mode_alarm: u64 = 3600u64, or |c: &Config| c.parity.mode_alarm.clone(),
flag_chain: String = "homestead", or |c: &Config| c.parity.chain.clone(),
flag_db_path: String = "$HOME/.parity", or |c: &Config| c.parity.db_path.clone(),
flag_keys_path: String = "$HOME/.parity/keys", or |c: &Config| c.parity.keys_path.clone(),
flag_identity: String = "", or |c: &Config| c.parity.identity.clone(),
flag_mode: String = "active", or |c: &Config| otry!(c.parity).mode.clone(),
flag_mode_timeout: u64 = 300u64, or |c: &Config| otry!(c.parity).mode_timeout.clone(),
flag_mode_alarm: u64 = 3600u64, or |c: &Config| otry!(c.parity).mode_alarm.clone(),
flag_chain: String = "homestead", or |c: &Config| otry!(c.parity).chain.clone(),
flag_db_path: String = "$HOME/.parity", or |c: &Config| otry!(c.parity).db_path.clone(),
flag_keys_path: String = "$HOME/.parity/keys", or |c: &Config| otry!(c.parity).keys_path.clone(),
flag_identity: String = "", or |c: &Config| otry!(c.parity).identity.clone(),
// -- Account Options
flag_unlock: Option<String> = None,
or |c: &Config| c.account.unlock.clone().map(|vec| Some(vec.join(","))),
or |c: &Config| otry!(c.account).unlock.clone().map(|vec| Some(vec.join(","))),
flag_password: Vec<String> = Vec::new(),
or |c: &Config| c.account.password.clone(),
or |c: &Config| otry!(c.account).password.clone(),
flag_keys_iterations: u32 = 10240u32,
or |c: &Config| c.account.keys_iterations.clone(),
or |c: &Config| otry!(c.account).keys_iterations.clone(),
flag_force_signer: bool = false,
or |c: &Config| c.signer.force.clone(),
or |c: &Config| otry!(c.signer).force.clone(),
flag_no_signer: bool = false,
or |c: &Config| c.signer.disable.clone(),
or |c: &Config| otry!(c.signer).disable.clone(),
flag_signer_port: u16 = 8180u16,
or |c: &Config| c.signer.port.clone(),
or |c: &Config| otry!(c.signer).port.clone(),
flag_signer_interface: String = "local",
or |c: &Config| c.signer.interface.clone(),
or |c: &Config| otry!(c.signer).interface.clone(),
flag_signer_path: String = "$HOME/.parity/signer",
or |c: &Config| c.signer.path.clone(),
or |c: &Config| otry!(c.signer).path.clone(),
// NOTE [todr] For security reasons don't put this to config files
flag_signer_no_validation: bool = false, or |_| None,
// -- Networking Options
flag_no_network: bool = false,
or |c: &Config| c.network.disable.clone(),
or |c: &Config| otry!(c.network).disable.clone(),
flag_port: u16 = 30303u16,
or |c: &Config| c.network.port.clone(),
or |c: &Config| otry!(c.network).port.clone(),
flag_min_peers: u16 = 25u16,
or |c: &Config| c.network.min_peers.clone(),
or |c: &Config| otry!(c.network).min_peers.clone(),
flag_max_peers: u16 = 50u16,
or |c: &Config| c.network.max_peers.clone(),
or |c: &Config| otry!(c.network).max_peers.clone(),
flag_nat: String = "any",
or |c: &Config| c.network.nat.clone(),
or |c: &Config| otry!(c.network).nat.clone(),
flag_network_id: Option<String> = None,
or |c: &Config| c.network.id.clone().map(Some),
or |c: &Config| otry!(c.network).id.clone().map(Some),
flag_bootnodes: Option<String> = None,
or |c: &Config| c.network.bootnodes.clone().map(|vec| Some(vec.join(","))),
or |c: &Config| otry!(c.network).bootnodes.clone().map(|vec| Some(vec.join(","))),
flag_no_discovery: bool = false,
or |c: &Config| c.network.discovery.clone(),
or |c: &Config| otry!(c.network).discovery.map(|d| !d).clone(),
flag_node_key: Option<String> = None,
or |c: &Config| c.network.node_key.clone().map(Some),
or |c: &Config| otry!(c.network).node_key.clone().map(Some),
flag_reserved_peers: Option<String> = None,
or |c: &Config| c.network.reserved_peers.clone().map(Some),
or |c: &Config| otry!(c.network).reserved_peers.clone().map(Some),
flag_reserved_only: bool = false,
or |c: &Config| c.network.reserved_only.clone(),
or |c: &Config| otry!(c.network).reserved_only.clone(),
// -- API and Console Options
// RPC
flag_no_jsonrpc: bool = false,
or |c: &Config| c.rpc.disable.clone(),
or |c: &Config| otry!(c.rpc).disable.clone(),
flag_jsonrpc_port: u16 = 8545u16,
or |c: &Config| c.rpc.port.clone(),
or |c: &Config| otry!(c.rpc).port.clone(),
flag_jsonrpc_interface: String = "local",
or |c: &Config| c.rpc.interface.clone(),
or |c: &Config| otry!(c.rpc).interface.clone(),
flag_jsonrpc_cors: Option<String> = None,
or |c: &Config| c.rpc.cors.clone().map(Some),
or |c: &Config| otry!(c.rpc).cors.clone().map(Some),
flag_jsonrpc_apis: String = "web3,eth,net,ethcore,personal,traces,rpc",
or |c: &Config| c.rpc.apis.clone().map(|vec| vec.join(",")),
or |c: &Config| otry!(c.rpc).apis.clone().map(|vec| vec.join(",")),
flag_jsonrpc_hosts: String = "none",
or |c: &Config| c.rpc.hosts.clone().map(|vec| vec.join(",")),
or |c: &Config| otry!(c.rpc).hosts.clone().map(|vec| vec.join(",")),
// IPC
flag_no_ipc: bool = false,
or |c: &Config| c.ipc.disable.clone(),
or |c: &Config| otry!(c.ipc).disable.clone(),
flag_ipc_path: String = "$HOME/.parity/jsonrpc.ipc",
or |c: &Config| c.ipc.path.clone(),
or |c: &Config| otry!(c.ipc).path.clone(),
flag_ipc_apis: String = "web3,eth,net,ethcore,personal,traces,rpc",
or |c: &Config| c.ipc.apis.clone().map(|vec| vec.join(",")),
or |c: &Config| otry!(c.ipc).apis.clone().map(|vec| vec.join(",")),
// DAPPS
flag_no_dapps: bool = false,
or |c: &Config| c.dapps.disable.clone(),
or |c: &Config| otry!(c.dapps).disable.clone(),
flag_dapps_port: u16 = 8080u16,
or |c: &Config| c.dapps.port.clone(),
or |c: &Config| otry!(c.dapps).port.clone(),
flag_dapps_interface: String = "local",
or |c: &Config| c.dapps.interface.clone(),
or |c: &Config| otry!(c.dapps).interface.clone(),
flag_dapps_hosts: String = "none",
or |c: &Config| c.dapps.hosts.clone().map(|vec| vec.join(",")),
or |c: &Config| otry!(c.dapps).hosts.clone().map(|vec| vec.join(",")),
flag_dapps_path: String = "$HOME/.parity/dapps",
or |c: &Config| c.dapps.path.clone(),
or |c: &Config| otry!(c.dapps).path.clone(),
flag_dapps_user: Option<String> = None,
or |c: &Config| c.dapps.user.clone().map(Some),
or |c: &Config| otry!(c.dapps).user.clone().map(Some),
flag_dapps_pass: Option<String> = None,
or |c: &Config| c.dapps.pass.clone().map(Some),
or |c: &Config| otry!(c.dapps).pass.clone().map(Some),
// -- Sealing/Mining Options
flag_author: Option<String> = None,
or |c: &Config| c.mining.author.clone().map(Some),
or |c: &Config| otry!(c.mining).author.clone().map(Some),
flag_force_sealing: bool = false,
or |c: &Config| c.mining.force_sealing.clone(),
or |c: &Config| otry!(c.mining).force_sealing.clone(),
flag_reseal_on_txs: String = "own",
or |c: &Config| c.mining.reseal_on_txs.clone(),
or |c: &Config| otry!(c.mining).reseal_on_txs.clone(),
flag_reseal_min_period: u64 = 2000u64,
or |c: &Config| c.mining.reseal_min_period.clone(),
or |c: &Config| otry!(c.mining).reseal_min_period.clone(),
flag_work_queue_size: usize = 20usize,
or |c: &Config| c.mining.work_queue_size.clone(),
or |c: &Config| otry!(c.mining).work_queue_size.clone(),
flag_tx_gas_limit: Option<String> = None,
or |c: &Config| c.mining.tx_gas_limit.clone().map(Some),
or |c: &Config| otry!(c.mining).tx_gas_limit.clone().map(Some),
flag_relay_set: String = "cheap",
or |c: &Config| c.mining.relay_set.clone(),
or |c: &Config| otry!(c.mining).relay_set.clone(),
flag_usd_per_tx: String = "0",
or |c: &Config| c.mining.usd_per_tx.clone(),
or |c: &Config| otry!(c.mining).usd_per_tx.clone(),
flag_usd_per_eth: String = "auto",
or |c: &Config| c.mining.usd_per_eth.clone(),
or |c: &Config| otry!(c.mining).usd_per_eth.clone(),
flag_price_update_period: String = "hourly",
or |c: &Config| c.mining.price_update_period.clone(),
or |c: &Config| otry!(c.mining).price_update_period.clone(),
flag_gas_floor_target: String = "4700000",
or |c: &Config| c.mining.gas_floor_target.clone(),
or |c: &Config| otry!(c.mining).gas_floor_target.clone(),
flag_gas_cap: String = "6283184",
or |c: &Config| c.mining.gas_cap.clone(),
or |c: &Config| otry!(c.mining).gas_cap.clone(),
flag_extra_data: Option<String> = None,
or |c: &Config| c.mining.extra_data.clone().map(Some),
or |c: &Config| otry!(c.mining).extra_data.clone().map(Some),
flag_tx_queue_size: usize = 1024usize,
or |c: &Config| c.mining.tx_queue_size.clone(),
or |c: &Config| otry!(c.mining).tx_queue_size.clone(),
flag_remove_solved: bool = false,
or |c: &Config| c.mining.remove_solved.clone(),
or |c: &Config| otry!(c.mining).remove_solved.clone(),
flag_notify_work: Option<String> = None,
or |c: &Config| c.mining.notify_work.clone().map(|vec| Some(vec.join(","))),
or |c: &Config| otry!(c.mining).notify_work.clone().map(|vec| Some(vec.join(","))),
// -- Footprint Options
flag_tracing: String = "auto",
or |c: &Config| c.footprint.tracing.clone(),
or |c: &Config| otry!(c.footprint).tracing.clone(),
flag_pruning: String = "auto",
or |c: &Config| c.footprint.pruning.clone(),
or |c: &Config| otry!(c.footprint).pruning.clone(),
flag_cache_size_db: u32 = 64u32,
or |c: &Config| c.footprint.cache_size_db.clone(),
or |c: &Config| otry!(c.footprint).cache_size_db.clone(),
flag_cache_size_blocks: u32 = 8u32,
or |c: &Config| c.footprint.cache_size_blocks.clone(),
or |c: &Config| otry!(c.footprint).cache_size_blocks.clone(),
flag_cache_size_queue: u32 = 50u32,
or |c: &Config| c.footprint.cache_size_queue.clone(),
or |c: &Config| otry!(c.footprint).cache_size_queue.clone(),
flag_cache_size: Option<u32> = None,
or |c: &Config| c.footprint.cache_size.clone().map(Some),
or |c: &Config| otry!(c.footprint).cache_size.clone().map(Some),
flag_fast_and_loose: bool = false,
or |c: &Config| c.footprint.fast_and_loose.clone(),
or |c: &Config| otry!(c.footprint).fast_and_loose.clone(),
flag_db_compaction: String = "ssd",
or |c: &Config| c.footprint.db_compaction.clone(),
or |c: &Config| otry!(c.footprint).db_compaction.clone(),
flag_fat_db: bool = false,
or |c: &Config| c.footprint.fat_db.clone(),
or |c: &Config| otry!(c.footprint).fat_db.clone(),
// -- Import/Export Options
flag_from: String = "1", or |_| None,
@ -225,38 +225,38 @@ usage! {
// -- Snapshot Optons
flag_at: String = "latest", or |_| None,
flag_no_periodic_snapshot: bool = false,
or |c: &Config| c.snapshots.disable_periodic.clone(),
or |c: &Config| otry!(c.snapshots).disable_periodic.clone(),
// -- Virtual Machine Options
flag_jitvm: bool = false,
or |c: &Config| c.vm.jit.clone(),
or |c: &Config| otry!(c.vm).jit.clone(),
// -- Miscellaneous Options
flag_config: String = "$HOME/.parity/config.toml", or |_| None,
flag_logging: Option<String> = None,
or |c: &Config| c.misc.logging.clone().map(Some),
or |c: &Config| otry!(c.misc).logging.clone().map(Some),
flag_log_file: Option<String> = None,
or |c: &Config| c.misc.log_file.clone().map(Some),
or |c: &Config| otry!(c.misc).log_file.clone().map(Some),
flag_no_color: bool = false,
or |c: &Config| c.misc.no_color.clone(),
or |c: &Config| otry!(c.misc).color.map(|c| !c).clone(),
}
}
#[derive(Default, Debug, PartialEq, RustcDecodable)]
struct Config {
parity: Operating,
account: Account,
signer: Signer,
network: Network,
rpc: Rpc,
ipc: Ipc,
dapps: Dapps,
mining: Mining,
footprint: Footprint,
snapshots: Snapshots,
vm: VM,
misc: Misc,
parity: Option<Operating>,
account: Option<Account>,
signer: Option<Signer>,
network: Option<Network>,
rpc: Option<Rpc>,
ipc: Option<Ipc>,
dapps: Option<Dapps>,
mining: Option<Mining>,
footprint: Option<Footprint>,
snapshots: Option<Snapshots>,
vm: Option<VM>,
misc: Option<Misc>,
}
#[derive(Default, Debug, PartialEq, RustcDecodable)]
@ -376,15 +376,14 @@ struct VM {
struct Misc {
logging: Option<String>,
log_file: Option<String>,
no_color: Option<bool>,
color: Option<bool>,
}
#[cfg(test)]
mod tests {
use super::{
Args, Config, Operating, Account, Signer, Network, Rpc, Ipc, Dapps, Mining, Footprint, Snapshots, VM, Misc
Args, ArgsError,
Config, Operating, Account, Signer, Network, Rpc, Ipc, Dapps, Mining, Footprint, Snapshots, VM, Misc
};
use toml;
@ -394,7 +393,7 @@ mod tests {
let mut config = Config::default();
let mut operating = Operating::default();
operating.chain = Some("morden".into());
config.parity = operating;
config.parity = Some(operating);
// when
let args = Args::parse_with_config(&["parity"], config).unwrap();
@ -409,7 +408,7 @@ mod tests {
let mut config = Config::default();
let mut operating = Operating::default();
operating.chain = Some("morden".into());
config.parity = operating;
config.parity = Some(operating);
// when
let args = Args::parse_with_config(&["parity", "--chain", "xyz"], config).unwrap();
@ -451,20 +450,20 @@ mod tests {
flag_mode: "active".into(),
flag_mode_timeout: 300u64,
flag_mode_alarm: 3600u64,
flag_chain: "homestead".into(),
flag_chain: "xyz".into(),
flag_db_path: "$HOME/.parity".into(),
flag_keys_path: "$HOME/.parity/keys".into(),
flag_identity: "".into(),
// -- Account Options
flag_unlock: None,
flag_password: vec![],
flag_unlock: Some("0xdeadbeefcafe0000000000000000000000000000".into()),
flag_password: vec!["~/.safe/password.file".into()],
flag_keys_iterations: 10240u32,
flag_force_signer: false,
flag_no_signer: false,
flag_signer_port: 8180u16,
flag_signer_interface: "local".into(),
flag_signer_interface: "127.0.0.1".into(),
flag_signer_path: "$HOME/.parity/signer".into(),
flag_signer_no_validation: false,
@ -474,11 +473,11 @@ mod tests {
flag_min_peers: 25u16,
flag_max_peers: 50u16,
flag_nat: "any".into(),
flag_network_id: None,
flag_bootnodes: None,
flag_network_id: Some("0x1".into()),
flag_bootnodes: Some("".into()),
flag_no_discovery: false,
flag_node_key: None,
flag_reserved_peers: None,
flag_reserved_peers: Some("./path_to_file".into()),
flag_reserved_only: false,
// -- API and Console Options
@ -486,14 +485,14 @@ mod tests {
flag_no_jsonrpc: false,
flag_jsonrpc_port: 8545u16,
flag_jsonrpc_interface: "local".into(),
flag_jsonrpc_cors: None,
flag_jsonrpc_apis: "web3,eth,net,ethcore,personal,traces,rpc".into(),
flag_jsonrpc_cors: Some("null".into()),
flag_jsonrpc_apis: "web3,eth,net,personal,ethcore,traces,rpc".into(),
flag_jsonrpc_hosts: "none".into(),
// IPC
flag_no_ipc: false,
flag_ipc_path: "$HOME/.parity/jsonrpc.ipc".into(),
flag_ipc_apis: "web3,eth,net,ethcore,personal,traces,rpc".into(),
flag_ipc_apis: "web3,eth,net,personal,ethcore,traces,rpc".into(),
// DAPPS
flag_no_dapps: false,
@ -501,26 +500,26 @@ mod tests {
flag_dapps_interface: "local".into(),
flag_dapps_hosts: "none".into(),
flag_dapps_path: "$HOME/.parity/dapps".into(),
flag_dapps_user: None,
flag_dapps_pass: None,
flag_dapps_user: Some("test_user".into()),
flag_dapps_pass: Some("test_pass".into()),
// -- Sealing/Mining Options
flag_author: None,
flag_force_sealing: false,
flag_reseal_on_txs: "own".into(),
flag_reseal_min_period: 2000u64,
flag_author: Some("0xdeadbeefcafe0000000000000000000000000001".into()),
flag_force_sealing: true,
flag_reseal_on_txs: "all".into(),
flag_reseal_min_period: 4000u64,
flag_work_queue_size: 20usize,
flag_tx_gas_limit: None,
flag_tx_gas_limit: Some("6283184".into()),
flag_relay_set: "cheap".into(),
flag_usd_per_tx: "0".into(),
flag_usd_per_eth: "auto".into(),
flag_price_update_period: "hourly".into(),
flag_gas_floor_target: "4700000".into(),
flag_gas_cap: "6283184".into(),
flag_extra_data: None,
flag_extra_data: Some("Parity".into()),
flag_tx_queue_size: 1024usize,
flag_remove_solved: false,
flag_notify_work: None,
flag_notify_work: Some("http://localhost:3001".into()),
// -- Footprint Options
flag_tracing: "auto".into(),
@ -528,7 +527,7 @@ mod tests {
flag_cache_size_db: 64u32,
flag_cache_size_blocks: 8u32,
flag_cache_size_queue: 50u32,
flag_cache_size: None,
flag_cache_size: Some(128),
flag_fast_and_loose: false,
flag_db_compaction: "ssd".into(),
flag_fat_db: false,
@ -575,18 +574,31 @@ mod tests {
// -- Miscellaneous Options
flag_version: false,
flag_config: "$HOME/.parity/config.toml".into(),
flag_logging: None,
flag_log_file: None,
flag_logging: Some("own_tx=trace".into()),
flag_log_file: Some("/var/log/parity.log".into()),
flag_no_color: false,
});
}
#[test]
fn should_parse_config_and_return_errors() {
let config1 = Args::parse_config(include_str!("./config.invalid1.toml"));
let config2 = Args::parse_config(include_str!("./config.invalid2.toml"));
match (config1, config2) {
(Err(ArgsError::Parsing(_)), Err(ArgsError::Decode(_))) => {},
(a, b) => {
assert!(false, "Got invalid error types: {:?}, {:?}", a, b);
}
}
}
#[test]
fn should_deserialize_toml_file() {
let config: Config = toml::decode_str(include_str!("./config.toml")).unwrap();
assert_eq!(config, Config {
parity: Operating {
parity: Some(Operating {
mode: Some("dark".into()),
mode_timeout: Some(15u64),
mode_alarm: Some(10u64),
@ -594,20 +606,20 @@ mod tests {
db_path: None,
keys_path: None,
identity: None,
},
account: Account {
}),
account: Some(Account {
unlock: Some(vec!["0x1".into(), "0x2".into(), "0x3".into()]),
password: Some(vec!["passwdfile path".into()]),
keys_iterations: None,
},
signer: Signer {
}),
signer: Some(Signer {
force: None,
disable: Some(true),
port: None,
interface: None,
path: None,
},
network: Network {
}),
network: Some(Network {
disable: Some(false),
port: None,
min_peers: Some(10),
@ -619,21 +631,21 @@ mod tests {
node_key: None,
reserved_peers: Some("./path/to/reserved_peers".into()),
reserved_only: Some(true),
},
rpc: Rpc {
}),
rpc: Some(Rpc {
disable: Some(true),
port: Some(8180),
interface: None,
cors: None,
apis: None,
hosts: None,
},
ipc: Ipc {
}),
ipc: Some(Ipc {
disable: None,
path: None,
apis: Some(vec!["rpc".into(), "eth".into()]),
},
dapps: Dapps {
}),
dapps: Some(Dapps {
disable: None,
port: Some(8080),
path: None,
@ -641,8 +653,8 @@ mod tests {
hosts: None,
user: Some("username".into()),
pass: Some("password".into())
},
mining: Mining {
}),
mining: Some(Mining {
author: Some("0xdeadbeefcafe0000000000000000000000000001".into()),
force_sealing: Some(true),
reseal_on_txs: Some("all".into()),
@ -659,8 +671,8 @@ mod tests {
extra_data: None,
remove_solved: None,
notify_work: None,
},
footprint: Footprint {
}),
footprint: Some(Footprint {
tracing: Some("on".into()),
pruning: Some("fast".into()),
fast_and_loose: None,
@ -670,18 +682,18 @@ mod tests {
cache_size_queue: Some(100),
db_compaction: Some("ssd".into()),
fat_db: Some(true),
},
snapshots: Snapshots {
}),
snapshots: Some(Snapshots {
disable_periodic: Some(true),
},
vm: VM {
}),
vm: Some(VM {
jit: Some(false),
},
misc: Misc {
}),
misc: Some(Misc {
logging: Some("own_tx=trace".into()),
log_file: Some("/var/log/parity.log".into()),
no_color: Some(false),
}
color: Some(true),
})
});
}
}

121
parity/cli/usage.rs
View File

@ -14,6 +14,16 @@
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
macro_rules! otry {
($e: expr) => (
match $e {
Some(ref v) => v,
None => {
return None;
}
}
)
}
macro_rules! usage {
(
{
@ -27,33 +37,81 @@ macro_rules! usage {
)*
}
) => {
use toml;
use std::{fs, io, process};
use std::io::Read;
use util::version;
use docopt::{Docopt, Error as DocoptError};
use helpers::replace_home;
use rustc_serialize;
#[derive(Debug)]
pub enum ArgsError {
Docopt(DocoptError),
Parsing(Vec<toml::ParserError>),
Decode(toml::DecodeError),
Config(String, io::Error),
}
impl ArgsError {
pub fn exit(self) -> ! {
match self {
ArgsError::Docopt(e) => e.exit(),
ArgsError::Parsing(errors) => {
println!("There is an error in config file.");
for e in &errors {
println!("{}", e);
}
process::exit(2)
},
ArgsError::Decode(e) => {
println!("You might have supplied invalid parameters in config file.");
println!("{}", e);
process::exit(2)
},
ArgsError::Config(path, e) => {
println!("There was an error reading your config file at: {}", path);
println!("{}", e);
process::exit(2)
}
}
}
}
impl From<DocoptError> for ArgsError {
fn from(e: DocoptError) -> Self { ArgsError::Docopt(e) }
}
impl From<toml::DecodeError> for ArgsError {
fn from(e: toml::DecodeError) -> Self { ArgsError::Decode(e) }
}
#[derive(Debug, PartialEq)]
pub struct Args {
$(
pub $field: $typ,
)*
$(
pub $field_a: $typ_a,
)*
$(
pub $field: $typ,
)*
}
impl Default for Args {
fn default() -> Self {
Args {
$(
$field: $default.into(),
)*
$(
$field_a: Default::default(),
)*
$(
$field: $default.into(),
)*
}
}
}
#[derive(Default, Debug, PartialEq, RustcDecodable)]
#[derive(Default, Debug, PartialEq, Clone, RustcDecodable)]
struct RawArgs {
$(
$field_a: $typ_a,
@ -65,14 +123,57 @@ macro_rules! usage {
impl Args {
pub fn parse<S: AsRef<str>>(command: &[S]) -> Result<Self, DocoptError> {
Ok(try!(RawArgs::parse(command)).into_args(Default::default()))
pub fn parse<S: AsRef<str>>(command: &[S]) -> Result<Self, ArgsError> {
let raw_args = try!(RawArgs::parse(command));
let config_file = raw_args.flag_config.clone().unwrap_or_else(|| raw_args.clone().into_args(Config::default()).flag_config);
let config_file = replace_home(&config_file);
let config = match (fs::File::open(&config_file), raw_args.flag_config.is_some()) {
// Load config file
(Ok(mut file), _) => {
println!("Loading config file from {}", &config_file);
let mut config = String::new();
try!(file.read_to_string(&mut config).map_err(|e| ArgsError::Config(config_file, e)));
try!(Self::parse_config(&config))
},
// Don't display error in case default config cannot be loaded.
(Err(_), false) => Config::default(),
// Config set from CLI (fail with error)
(Err(e), true) => {
return Err(ArgsError::Config(config_file, e));
},
};
Ok(raw_args.into_args(config))
}
fn parse_with_config<S: AsRef<str>>(command: &[S], config: Config) -> Result<Self, DocoptError> {
#[cfg(test)]
pub fn parse_without_config<S: AsRef<str>>(command: &[S]) -> Result<Self, ArgsError> {
Self::parse_with_config(command, Config::default())
}
#[cfg(test)]
fn parse_with_config<S: AsRef<str>>(command: &[S], config: Config) -> Result<Self, ArgsError> {
Ok(try!(RawArgs::parse(command)).into_args(config))
}
fn parse_config(config: &str) -> Result<Config, ArgsError> {
let mut value_parser = toml::Parser::new(&config);
match value_parser.parse() {
Some(value) => {
let result = rustc_serialize::Decodable::decode(&mut toml::Decoder::new(toml::Value::Table(value)));
match result {
Ok(config) => Ok(config),
Err(e) => {
return Err(e.into());
}
}
},
None => {
return Err(ArgsError::Parsing(value_parser.errors));
},
}
}
pub fn print_version() -> String {
format!(include_str!("./version.txt"), version())
}

8
parity/configuration.rs
View File

@ -19,8 +19,7 @@ use std::io::Read;
use std::net::SocketAddr;
use std::path::PathBuf;
use std::cmp::max;
use cli::Args;
use docopt::Error as DocoptError;
use cli::{Args, ArgsError};
use util::{Hashable, U256, Uint, Bytes, version_data, Secret, Address};
use util::log::Colour;
use ethsync::{NetworkConfiguration, is_valid_node_url};
@ -60,7 +59,7 @@ pub struct Configuration {
}
impl Configuration {
pub fn parse<S: AsRef<str>>(command: &[S]) -> Result<Self, DocoptError> {
pub fn parse<S: AsRef<str>>(command: &[S]) -> Result<Self, ArgsError> {
let args = try!(Args::parse(command));
let config = Configuration {
@ -613,7 +612,6 @@ impl Configuration {
}
fn signer_enabled(&self) -> bool {
println!("Force: {:?} {:?}", self.args.flag_force_signer, self.args.flag_unlock);
if self.args.flag_force_signer {
return true;
}
@ -647,7 +645,7 @@ mod tests {
fn parse(args: &[&str]) -> Configuration {
Configuration {
args: Args::parse(args).unwrap(),
args: Args::parse_without_config(args).unwrap(),
}
}