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Make message body reader fns part of Codec.

This commit is contained in:
Henry de Valence 2019-09-24 16:10:04 -07:00
parent c2e378f3fa
commit 47e304ed9a
1 changed files with 117 additions and 131 deletions
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248
zebra-network/src/protocol/codec.rs
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@ -286,26 +286,26 @@ impl Decoder for Codec {
let body_reader = Cursor::new(&body);
let v = self.builder.version;
match &command {
b"version\0\0\0\0\0" => try_read_version(body_reader, v),
b"verack\0\0\0\0\0\0" => try_read_verack(body_reader, v),
b"ping\0\0\0\0\0\0\0\0" => try_read_ping(body_reader, v),
b"pong\0\0\0\0\0\0\0\0" => try_read_pong(body_reader, v),
b"reject\0\0\0\0\0\0" => try_read_reject(body_reader, v),
b"addr\0\0\0\0\0\0\0\0" => try_read_addr(body_reader, v),
b"getaddr\0\0\0\0\0" => try_read_getaddr(body_reader, v),
b"block\0\0\0\0\0\0\0" => try_read_block(body_reader, v),
b"getblocks\0\0\0" => try_read_getblocks(body_reader, v),
b"headers\0\0\0\0\0" => try_read_headers(body_reader, v),
b"getheaders\0\0" => try_read_getheaders(body_reader, v),
b"inv\0\0\0\0\0\0\0\0\0" => try_read_inv(body_reader, v),
b"getdata\0\0\0\0\0" => try_read_getdata(body_reader, v),
b"notfound\0\0\0\0" => try_read_notfound(body_reader, v),
b"tx\0\0\0\0\0\0\0\0\0\0" => try_read_tx(body_reader, v),
b"mempool\0\0\0\0\0" => try_read_mempool(body_reader, v),
b"filterload\0\0" => try_read_filterload(body_reader, v),
b"filteradd\0\0\0" => try_read_filteradd(body_reader, v),
b"filterclear\0" => try_read_filterclear(body_reader, v),
b"merkleblock\0" => try_read_merkleblock(body_reader, v),
b"version\0\0\0\0\0" => self.read_version(body_reader),
b"verack\0\0\0\0\0\0" => self.read_verack(body_reader),
b"ping\0\0\0\0\0\0\0\0" => self.read_ping(body_reader),
b"pong\0\0\0\0\0\0\0\0" => self.read_pong(body_reader),
b"reject\0\0\0\0\0\0" => self.read_reject(body_reader),
b"addr\0\0\0\0\0\0\0\0" => self.read_addr(body_reader),
b"getaddr\0\0\0\0\0" => self.read_getaddr(body_reader),
b"block\0\0\0\0\0\0\0" => self.read_block(body_reader),
b"getblocks\0\0\0" => self.read_getblocks(body_reader),
b"headers\0\0\0\0\0" => self.read_headers(body_reader),
b"getheaders\0\0" => self.read_getheaders(body_reader),
b"inv\0\0\0\0\0\0\0\0\0" => self.read_inv(body_reader),
b"getdata\0\0\0\0\0" => self.read_getdata(body_reader),
b"notfound\0\0\0\0" => self.read_notfound(body_reader),
b"tx\0\0\0\0\0\0\0\0\0\0" => self.read_tx(body_reader),
b"mempool\0\0\0\0\0" => self.read_mempool(body_reader),
b"filterload\0\0" => self.read_filterload(body_reader),
b"filteradd\0\0\0" => self.read_filteradd(body_reader),
b"filterclear\0" => self.read_filterclear(body_reader),
b"merkleblock\0" => self.read_merkleblock(body_reader),
_ => bail!("unknown command"),
}
// We need Ok(Some(msg)) to signal that we're done decoding
@ -315,136 +315,122 @@ impl Decoder for Codec {
}
}
fn try_read_version<R: Read>(mut reader: R, _parsing_version: Version) -> Result<Message, Error> {
Ok(Message::Version {
version: Version(reader.read_u32::<LittleEndian>()?),
services: Services(reader.read_u64::<LittleEndian>()?),
timestamp: Utc.timestamp(reader.read_i64::<LittleEndian>()?, 0),
address_recv: (
Services(reader.read_u64::<LittleEndian>()?),
reader.read_socket_addr()?,
),
address_from: (
Services(reader.read_u64::<LittleEndian>()?),
reader.read_socket_addr()?,
),
nonce: Nonce(reader.read_u64::<LittleEndian>()?),
user_agent: reader.read_string()?,
start_height: BlockHeight(reader.read_u32::<LittleEndian>()?),
relay: match reader.read_u8()? {
0 => false,
1 => true,
_ => bail!("non-bool value supplied in relay field"),
},
})
}
impl Codec {
fn read_version<R: Read>(&self, mut reader: R) -> Result<Message, Error> {
Ok(Message::Version {
version: Version(reader.read_u32::<LittleEndian>()?),
services: Services(reader.read_u64::<LittleEndian>()?),
timestamp: Utc.timestamp(reader.read_i64::<LittleEndian>()?, 0),
address_recv: (
Services(reader.read_u64::<LittleEndian>()?),
reader.read_socket_addr()?,
),
address_from: (
Services(reader.read_u64::<LittleEndian>()?),
reader.read_socket_addr()?,
),
nonce: Nonce(reader.read_u64::<LittleEndian>()?),
user_agent: reader.read_string()?,
start_height: BlockHeight(reader.read_u32::<LittleEndian>()?),
relay: match reader.read_u8()? {
0 => false,
1 => true,
_ => bail!("non-bool value supplied in relay field"),
},
})
}
fn try_read_verack<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
Ok(Message::Verack)
}
fn read_verack<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
Ok(Message::Verack)
}
fn try_read_ping<R: Read>(mut reader: R, _version: Version) -> Result<Message, Error> {
Ok(Message::Ping(Nonce(reader.read_u64::<LittleEndian>()?)))
}
fn read_ping<R: Read>(&self, mut reader: R) -> Result<Message, Error> {
Ok(Message::Ping(Nonce(reader.read_u64::<LittleEndian>()?)))
}
fn try_read_pong<R: Read>(mut reader: R, _version: Version) -> Result<Message, Error> {
Ok(Message::Pong(Nonce(reader.read_u64::<LittleEndian>()?)))
}
fn read_pong<R: Read>(&self, mut reader: R) -> Result<Message, Error> {
Ok(Message::Pong(Nonce(reader.read_u64::<LittleEndian>()?)))
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_reject<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("reject");
bail!("unimplemented message type")
}
fn read_reject<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("reject");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_addr<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("addr");
bail!("unimplemented message type")
}
fn read_addr<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("addr");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_getaddr<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("getaddr");
bail!("unimplemented message type")
}
fn read_getaddr<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("getaddr");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_block<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("block");
bail!("unimplemented message type")
}
fn read_block<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("block");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_getblocks<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("getblocks");
bail!("unimplemented message type")
}
fn read_getblocks<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("getblocks");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_headers<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("headers");
bail!("unimplemented message type")
}
fn read_headers<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("headers");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_getheaders<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("getheaders");
bail!("unimplemented message type")
}
fn read_getheaders<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("getheaders");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_inv<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("inv");
bail!("unimplemented message type")
}
fn read_inv<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("inv");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_getdata<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("getdata");
bail!("unimplemented message type")
}
fn read_getdata<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("getdata");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_notfound<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("notfound");
bail!("unimplemented message type")
}
fn read_notfound<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("notfound");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_tx<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("tx");
bail!("unimplemented message type")
}
fn read_tx<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("tx");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_mempool<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("mempool");
bail!("unimplemented message type")
}
fn read_mempool<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("mempool");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_filterload<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("filterload");
bail!("unimplemented message type")
}
fn read_filterload<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("filterload");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_filteradd<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("filteradd");
bail!("unimplemented message type")
}
fn read_filteradd<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("filteradd");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_filterclear<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("filterclear");
bail!("unimplemented message type")
}
fn read_filterclear<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("filterclear");
bail!("unimplemented message type")
}
#[instrument(level = "trace", skip(_reader, _version))]
fn try_read_merkleblock<R: Read>(mut _reader: R, _version: Version) -> Result<Message, Error> {
trace!("merkleblock");
bail!("unimplemented message type")
fn read_merkleblock<R: Read>(&self, mut _reader: R) -> Result<Message, Error> {
trace!("merkleblock");
bail!("unimplemented message type")
}
}
// XXX replace these interior unit tests with exterior integration tests + proptest