_ Git - rust-lightning/blob - lightning/src/util/macro_logger.rs

   1 // This file is Copyright its original authors, visible in version control
   2 // history.
   3 //
   4 // This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
   5 // or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
   7 // You may not use this file except in accordance with one or both of these
   8 // licenses.
   9
  10 use chain::transaction::OutPoint;
  11 use chain::keysinterface::SpendableOutputDescriptor;
  12
  13 use bitcoin::hash_types::Txid;
  14 use bitcoin::blockdata::transaction::Transaction;
  15 use bitcoin::secp256k1::PublicKey;
  16
  17 use routing::router::Route;
  18 use ln::chan_utils::HTLCType;
  19 use util::logger::DebugBytes;
  20
  21 pub(crate) struct DebugPubKey<'a>(pub &'a PublicKey);
  22 impl<'a> core::fmt::Display for DebugPubKey<'a> {
  23         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
  24                 for i in self.0.serialize().iter() {
  25                         write!(f, "{:02x}", i)?;
  26                 }
  27                 Ok(())
  28         }
  29 }
  30 macro_rules! log_pubkey {
  31         ($obj: expr) => {
  32                 ::util::macro_logger::DebugPubKey(&$obj)
  33         }
  34 }
  35
  36 /// Logs a byte slice in hex format.
  37 #[macro_export]
  38 macro_rules! log_bytes {
  39         ($obj: expr) => {
  40                 $crate::util::logger::DebugBytes(&$obj)
  41         }
  42 }
  43
  44 pub(crate) struct DebugFundingChannelId<'a>(pub &'a Txid, pub u16);
  45 impl<'a> core::fmt::Display for DebugFundingChannelId<'a> {
  46         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
  47                 for i in (OutPoint { txid: self.0.clone(), index: self.1 }).to_channel_id().iter() {
  48                         write!(f, "{:02x}", i)?;
  49                 }
  50                 Ok(())
  51         }
  52 }
  53 macro_rules! log_funding_channel_id {
  54         ($funding_txid: expr, $funding_txo: expr) => {
  55                 ::util::macro_logger::DebugFundingChannelId(&$funding_txid, $funding_txo)
  56         }
  57 }
  58
  59 pub(crate) struct DebugFundingInfo<'a, T: 'a>(pub &'a (OutPoint, T));
  60 impl<'a, T> core::fmt::Display for DebugFundingInfo<'a, T> {
  61         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
  62                 DebugBytes(&(self.0).0.to_channel_id()[..]).fmt(f)
  63         }
  64 }
  65 macro_rules! log_funding_info {
  66         ($key_storage: expr) => {
  67                 ::util::macro_logger::DebugFundingInfo(&$key_storage.get_funding_txo())
  68         }
  69 }
  70
  71 pub(crate) struct DebugRoute<'a>(pub &'a Route);
  72 impl<'a> core::fmt::Display for DebugRoute<'a> {
  73         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
  74                 for (idx, p) in self.0.paths.iter().enumerate() {
  75                         writeln!(f, "path {}:", idx)?;
  76                         for h in p.iter() {
  77                                 writeln!(f, " node_id: {}, short_channel_id: {}, fee_msat: {}, cltv_expiry_delta: {}", log_pubkey!(h.pubkey), h.short_channel_id, h.fee_msat, h.cltv_expiry_delta)?;
  78                         }
  79                 }
  80                 Ok(())
  81         }
  82 }
  83 macro_rules! log_route {
  84         ($obj: expr) => {
  85                 ::util::macro_logger::DebugRoute(&$obj)
  86         }
  87 }
  88
  89 pub(crate) struct DebugTx<'a>(pub &'a Transaction);
  90 impl<'a> core::fmt::Display for DebugTx<'a> {
  91         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
  92                 if self.0.input.len() >= 1 && self.0.input.iter().any(|i| !i.witness.is_empty()) {
  93                         if self.0.input.len() == 1 && self.0.input[0].witness.last().unwrap().len() == 71 &&
  94                                         (self.0.input[0].sequence.0 >> 8*3) as u8 == 0x80 {
  95                                 write!(f, "commitment tx ")?;
  96                         } else if self.0.input.len() == 1 && self.0.input[0].witness.last().unwrap().len() == 71 {
  97                                 write!(f, "closing tx ")?;
  98                         } else if self.0.input.len() == 1 && HTLCType::scriptlen_to_htlctype(self.0.input[0].witness.last().unwrap().len()) == Some(HTLCType::OfferedHTLC) &&
  99                                         self.0.input[0].witness.len() == 5 {
 100                                 write!(f, "HTLC-timeout tx ")?;
 101                         } else if self.0.input.len() == 1 && HTLCType::scriptlen_to_htlctype(self.0.input[0].witness.last().unwrap().len()) == Some(HTLCType::AcceptedHTLC) &&
 102                                         self.0.input[0].witness.len() == 5 {
 103                                 write!(f, "HTLC-success tx ")?;
 104                         } else {
 105                                 for inp in &self.0.input {
 106                                         if !inp.witness.is_empty() {
 107                                                 if HTLCType::scriptlen_to_htlctype(inp.witness.last().unwrap().len()) == Some(HTLCType::OfferedHTLC) { write!(f, "preimage-")?; break }
 108                                                 else if HTLCType::scriptlen_to_htlctype(inp.witness.last().unwrap().len()) == Some(HTLCType::AcceptedHTLC) { write!(f, "timeout-")?; break }
 109                                         }
 110                                 }
 111                                 write!(f, "tx ")?;
 112                         }
 113                 } else {
 114                         debug_assert!(false, "We should never generate unknown transaction types");
 115                         write!(f, "unknown tx type ").unwrap();
 116                 }
 117                 write!(f, "with txid {}", self.0.txid())?;
 118                 Ok(())
 119         }
 120 }
 121
 122 macro_rules! log_tx {
 123         ($obj: expr) => {
 124                 ::util::macro_logger::DebugTx(&$obj)
 125         }
 126 }
 127
 128 pub(crate) struct DebugSpendable<'a>(pub &'a SpendableOutputDescriptor);
 129 impl<'a> core::fmt::Display for DebugSpendable<'a> {
 130         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
 131                 match self.0 {
 132                         &SpendableOutputDescriptor::StaticOutput { ref outpoint, .. } => {
 133                                 write!(f, "StaticOutput {}:{} marked for spending", outpoint.txid, outpoint.index)?;
 134                         }
 135                         &SpendableOutputDescriptor::DelayedPaymentOutput(ref descriptor) => {
 136                                 write!(f, "DelayedPaymentOutput {}:{} marked for spending", descriptor.outpoint.txid, descriptor.outpoint.index)?;
 137                         }
 138                         &SpendableOutputDescriptor::StaticPaymentOutput(ref descriptor) => {
 139                                 write!(f, "StaticPaymentOutput {}:{} marked for spending", descriptor.outpoint.txid, descriptor.outpoint.index)?;
 140                         }
 141                 }
 142                 Ok(())
 143         }
 144 }
 145
 146 macro_rules! log_spendable {
 147         ($obj: expr) => {
 148                 ::util::macro_logger::DebugSpendable(&$obj)
 149         }
 150 }
 151
 152 /// Create a new Record and log it. You probably don't want to use this macro directly,
 153 /// but it needs to be exported so `log_trace` etc can use it in external crates.
 154 #[doc(hidden)]
 155 #[macro_export]
 156 macro_rules! log_internal {
 157         ($logger: expr, $lvl:expr, $($arg:tt)+) => (
 158                 $logger.log(&$crate::util::logger::Record::new($lvl, format_args!($($arg)+), module_path!(), file!(), line!()))
 159         );
 160 }
 161
 162 /// Logs an entry at the given level.
 163 #[macro_export]
 164 macro_rules! log_given_level {
 165         ($logger: expr, $lvl:expr, $($arg:tt)+) => (
 166                 match $lvl {
 167                         #[cfg(not(any(feature = "max_level_off")))]
 168                         $crate::util::logger::Level::Error => log_internal!($logger, $lvl, $($arg)*),
 169                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error")))]
 170                         $crate::util::logger::Level::Warn => log_internal!($logger, $lvl, $($arg)*),
 171                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn")))]
 172                         $crate::util::logger::Level::Info => log_internal!($logger, $lvl, $($arg)*),
 173                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info")))]
 174                         $crate::util::logger::Level::Debug => log_internal!($logger, $lvl, $($arg)*),
 175                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info", feature = "max_level_debug")))]
 176                         $crate::util::logger::Level::Trace => log_internal!($logger, $lvl, $($arg)*),
 177                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info", feature = "max_level_debug", feature = "max_level_trace")))]
 178                         $crate::util::logger::Level::Gossip => log_internal!($logger, $lvl, $($arg)*),
 179
 180                         #[cfg(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info", feature = "max_level_debug", feature = "max_level_trace"))]
 181                         _ => {
 182                                 // The level is disabled at compile-time
 183                         },
 184                 }
 185         );
 186 }
 187
 188 /// Log an error.
 189 #[macro_export]
 190 macro_rules! log_error {
 191         ($logger: expr, $($arg:tt)*) => (
 192                 log_given_level!($logger, $crate::util::logger::Level::Error, $($arg)*);
 193         )
 194 }
 195
 196 macro_rules! log_warn {
 197         ($logger: expr, $($arg:tt)*) => (
 198                 log_given_level!($logger, $crate::util::logger::Level::Warn, $($arg)*);
 199         )
 200 }
 201
 202 macro_rules! log_info {
 203         ($logger: expr, $($arg:tt)*) => (
 204                 log_given_level!($logger, $crate::util::logger::Level::Info, $($arg)*);
 205         )
 206 }
 207
 208 macro_rules! log_debug {
 209         ($logger: expr, $($arg:tt)*) => (
 210                 log_given_level!($logger, $crate::util::logger::Level::Debug, $($arg)*);
 211         )
 212 }
 213
 214 /// Log a trace log.
 215 #[macro_export]
 216 macro_rules! log_trace {
 217         ($logger: expr, $($arg:tt)*) => (
 218                 log_given_level!($logger, $crate::util::logger::Level::Trace, $($arg)*)
 219         )
 220 }
 221
 222 /// Log a gossip log.
 223 macro_rules! log_gossip {
 224         ($logger: expr, $($arg:tt)*) => (
 225                 log_given_level!($logger, $crate::util::logger::Level::Gossip, $($arg)*);
 226         )
 227 }