Add run analysis code, and clean up most warnings

Cap'n Proto has a bug in deserialization; both in packed and unpacked, it gets to 43116 of 62253 messages.
This commit is contained in:
Bradlee Speice 2019-09-06 22:23:46 -04:00
parent f151d86604
commit 369613843d
12 changed files with 2160 additions and 1653 deletions

132
Cargo.lock generated
View File

@ -1,5 +1,10 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
[[package]]
name = "adler32"
version = "1.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "alloc_counter"
version = "0.0.2"
@ -35,11 +40,29 @@ dependencies = [
"winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "autocfg"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "base64"
version = "0.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "bitflags"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "byteorder"
version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "capnp"
version = "0.10.1"
@ -53,6 +76,11 @@ dependencies = [
"capnp 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "cc"
version = "1.0.42"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "cfg-if"
version = "0.1.9"
@ -72,6 +100,31 @@ dependencies = [
"vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "crc32fast"
version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "crossbeam-channel"
version = "0.3.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "crossbeam-utils"
version = "0.6.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "flatbuffers"
version = "0.6.0"
@ -88,6 +141,35 @@ dependencies = [
"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "flate2"
version = "1.0.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
"miniz-sys 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
"miniz_oxide 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "hdrhistogram"
version = "6.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"crossbeam-channel 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
"flate2 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
"nom 4.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
"num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "lazy_static"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "lexical-core"
version = "0.4.3"
@ -123,6 +205,7 @@ dependencies = [
"clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
"flatbuffers 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
"flatc-rust 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
"hdrhistogram 6.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
"nom 5.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
"smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -132,6 +215,32 @@ name = "memchr"
version = "2.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "miniz-sys"
version = "0.1.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"cc 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "miniz_oxide"
version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "nom"
version = "4.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
"version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "nom"
version = "5.0.0"
@ -142,6 +251,14 @@ dependencies = [
"version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "num-traits"
version = "0.2.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "proc-macro2"
version = "0.4.30"
@ -279,22 +396,37 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[metadata]
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View File

@ -8,6 +8,7 @@ edition = "2018"
capnp = "0.10.1"
clap = "2.33.0"
flatbuffers = "0.6.0"
hdrhistogram = "6.3.4"
nom = "5.0.0"
smallvec = "0.6.10"

View File

@ -15,7 +15,8 @@ fn main() {
inputs: &[Path::new("marketdata.fbs")],
out_dir: Path::new("src/"),
..Default::default()
}).expect("Unable to compile flatc");
})
.expect("Unable to compile flatc");
// There's no Rust-style builder crate for SBE,
// so we need to run the command by hand.
@ -25,7 +26,8 @@ fn main() {
.arg("-Dsbe.xinclude.aware=true")
.arg("-Dsbe.target.language=uk.co.real_logic.sbe.generation.rust.Rust")
.arg("-Dsbe.target.namespace=marketdata_sbe")
.arg("-jar").arg("sbe-all-1.13.2-all.jar")
.arg("-jar")
.arg("sbe-all-1.13.2-all.jar")
.arg("marketdata.xml")
.output()
.expect("Unable to execute SBE compiler");

View File

@ -1,26 +1,25 @@
use std::convert::TryInto;
use std::io::{BufRead, Read};
use std::mem::size_of;
use std::str::from_utf8_unchecked;
use capnp::Error;
use capnp::message::{Builder, ReaderOptions, ScratchSpace, ScratchSpaceHeapAllocator};
use capnp::message::{ReaderOptions, ScratchSpace, ScratchSpaceHeapAllocator};
use capnp::serialize::write_message;
use capnp::serialize_packed::{read_message as read_message_packed, write_message as write_message_packed};
use nom::bytes::complete::take_until;
use nom::IResult;
use capnp::serialize_packed::{
read_message as read_message_packed, write_message as write_message_packed,
};
use capnp::Error;
use crate::{RunnerDeserialize, RunnerSerialize, StreamVec, Summarizer};
use crate::iex::{IexMessage, IexPayload};
use crate::marketdata_capnp::{multi_message, Side};
use crate::marketdata_capnp::message;
use crate::marketdata_capnp::{multi_message, Side};
use crate::{RunnerDeserialize, RunnerSerialize, StreamVec, Summarizer};
pub struct CapnpWriter<'a> {
// We have to be very careful with how messages are built, as running
// `init_root` and rebuilding will still accumulate garbage if using
// the standard HeapAllocator.
// https://github.com/capnproto/capnproto-rust/issues/111
words: Vec<capnp::Word>,
_words: Vec<capnp::Word>,
scratch: ScratchSpace<'a>,
packed: bool,
}
@ -31,14 +30,12 @@ impl<'a> CapnpWriter<'a> {
// In practice, let's just make sure everything fits.
let mut words = capnp::Word::allocate_zeroed_vec(1024);
let mut scratch = ScratchSpace::new(unsafe {
std::mem::transmute(&mut words[..])
});
let scratch = ScratchSpace::new(unsafe { std::mem::transmute(&mut words[..]) });
CapnpWriter {
words,
_words: words,
scratch,
packed
packed,
}
}
@ -56,12 +53,14 @@ impl<'a> CapnpWriter<'a> {
impl<'a> RunnerSerialize for CapnpWriter<'a> {
fn serialize(&mut self, payload: &IexPayload, mut output: &mut Vec<u8>) {
// First, count the messages we actually care about.
let num_msgs = payload.messages.iter().map(|m| {
match m {
let num_msgs = payload
.messages
.iter()
.map(|m| match m {
IexMessage::TradeReport(_) | IexMessage::PriceLevelUpdate(_) => 1,
_ => 0
}
}).fold(0, |sum, i| sum + i);
_ => 0,
})
.fold(0, |sum, i| sum + i);
if num_msgs == 0 {
return;
@ -109,13 +108,21 @@ impl<'a> RunnerSerialize for CapnpWriter<'a> {
msg_plu.set_price(plu.price);
msg_plu.set_size(plu.size);
msg_plu.set_flags(plu.event_flags);
msg_plu.set_side(if plu.msg_type == 0x38 { Side::Buy } else { Side::Sell });
msg_plu.set_side(if plu.msg_type == 0x38 {
Side::Buy
} else {
Side::Sell
});
}
_ => ()
_ => (),
}
}
let write_fn = if self.packed { write_message_packed } else { write_message };
let write_fn = if self.packed {
write_message_packed
} else {
write_message
};
write_fn(&mut output, &builder).unwrap();
}
@ -123,25 +130,28 @@ impl<'a> RunnerSerialize for CapnpWriter<'a> {
pub struct CapnpReader {
read_opts: ReaderOptions,
packed: bool
packed: bool,
}
impl CapnpReader {
pub fn new(packed: bool) -> CapnpReader {
CapnpReader {
read_opts: ReaderOptions::new(),
packed
packed,
}
}
}
impl CapnpReader {
fn deserialize_packed<'a>(&self, buf: &'a mut StreamVec, stats: &mut Summarizer) -> Result<(), ()> {
fn deserialize_packed<'a>(
&self,
buf: &'a mut StreamVec,
stats: &mut Summarizer,
) -> Result<(), ()> {
// Because `capnp::serialize_packed::PackedRead` is hidden from us, packed reads
// *have* to both allocate new segments every read, and copy the buffer into
// those same segments, no ability to re-use allocated memory.
let reader = read_message_packed(buf, self.read_opts)
.map_err(|_| ())?;
let reader = read_message_packed(buf, self.read_opts).map_err(|_| ())?;
let multimsg = reader.get_root::<multi_message::Reader>().unwrap();
for msg in multimsg.get_messages().unwrap().iter() {
@ -149,18 +159,18 @@ impl CapnpReader {
Ok(message::Trade(tr)) => {
let tr = tr.unwrap();
stats.append_trade_volume(msg.get_symbol().unwrap(), tr.get_size() as u64);
},
}
Ok(message::Quote(q)) => {
let q = q.unwrap();
let is_bid = match q.get_side().unwrap() {
Side::Buy => true,
_ => false
_ => false,
};
stats.update_quote_prices(msg.get_symbol().unwrap(), q.get_price(), is_bid);
},
_ => panic!("Unrecognized message type!")
}
};
_ => panic!("Unrecognized message type!"),
}
}
Ok(())
}
@ -192,8 +202,7 @@ impl CapnpReader {
There is no documentation on how to calculate `bytes_consumed` when parsing by hand
that I could find, you just have to guess and check until you figure this one out.
*/
let (num_words, offsets) = read_segment_table(&mut data, reader_opts)
.map_err(|_| ())?;
let (num_words, offsets) = read_segment_table(&mut data, reader_opts).map_err(|_| ())?;
let words = unsafe { capnp::Word::bytes_to_words(data) };
let reader = capnp::message::Reader::new(
SliceSegments {
@ -206,8 +215,7 @@ impl CapnpReader {
let msg_bytes = num_words * size_of::<capnp::Word>();
let bytes_consumed = segment_table_bytes + msg_bytes;
let multimsg = reader.get_root::<multi_message::Reader>()
.map_err(|_| ())?;
let multimsg = reader.get_root::<multi_message::Reader>().map_err(|_| ())?;
for msg in multimsg.get_messages().map_err(|_| ())?.iter() {
let sym = msg.get_symbol().map_err(|_| ())?;
@ -215,15 +223,15 @@ impl CapnpReader {
message::Trade(trade) => {
let trade = trade.unwrap();
stats.append_trade_volume(sym, trade.get_size().into());
},
}
message::Quote(quote) => {
let quote = quote.unwrap();
let is_buy = match quote.get_side().unwrap() {
Side::Buy => true,
_ => false
_ => false,
};
stats.update_quote_prices(sym, quote.get_price(), is_buy);
},
}
}
}
@ -244,7 +252,6 @@ impl RunnerDeserialize for CapnpReader {
}
}
pub struct SliceSegments<'a> {
words: &'a [capnp::Word],
segment_slices: Vec<(usize, usize)>,
@ -265,10 +272,12 @@ impl<'a> capnp::message::ReaderSegments for SliceSegments<'a> {
}
}
fn read_segment_table<R>(read: &mut R,
options: capnp::message::ReaderOptions)
-> capnp::Result<(usize, Vec<(usize, usize)>)>
where R: Read
fn read_segment_table<R>(
read: &mut R,
options: capnp::message::ReaderOptions,
) -> capnp::Result<(usize, Vec<(usize, usize)>)>
where
R: Read,
{
let mut buf: [u8; 8] = [0; 8];
@ -277,9 +286,15 @@ fn read_segment_table<R>(read: &mut R,
let segment_count = u32::from_le_bytes(buf[0..4].try_into().unwrap()).wrapping_add(1) as usize;
if segment_count >= 512 {
return Err(Error::failed(format!("Too many segments: {}", segment_count)))
return Err(Error::failed(format!(
"Too many segments: {}",
segment_count
)));
} else if segment_count == 0 {
return Err(Error::failed(format!("Too few segments: {}", segment_count)))
return Err(Error::failed(format!(
"Too few segments: {}",
segment_count
)));
}
let mut segment_slices = Vec::with_capacity(segment_count);
@ -301,7 +316,8 @@ fn read_segment_table<R>(read: &mut R,
read.read_exact(&mut segment_sizes[..])?;
for idx in 0..(segment_count - 1) {
let segment_len =
u32::from_le_bytes(segment_sizes[(idx * 4)..(idx + 1) * 4].try_into().unwrap()) as usize;
u32::from_le_bytes(segment_sizes[(idx * 4)..(idx + 1) * 4].try_into().unwrap())
as usize;
segment_slices.push((total_words, total_words + segment_len));
total_words += segment_len;
@ -313,9 +329,11 @@ fn read_segment_table<R>(read: &mut R,
// traversal limit. Without this check, a malicious client could transmit a very large segment
// size to make the receiver allocate excessive space and possibly crash.
if total_words as u64 > options.traversal_limit_in_words {
return Err(Error::failed(
format!("Message has {} words, which is too large. To increase the limit on the \
receiving end, see capnp::message::ReaderOptions.", total_words)))
return Err(Error::failed(format!(
"Message has {} words, which is too large. To increase the limit on the \
receiving end, see capnp::message::ReaderOptions.",
total_words
)));
}
Ok((total_words, segment_slices))

View File

@ -1,15 +1,10 @@
use std::convert::TryInto;
use std::io::{BufRead, Error, Write};
use std::io::{BufRead, Write};
use std::mem::size_of;
use std::str::from_utf8_unchecked;
use capnp::data::new_builder;
use flatbuffers::buffer_has_identifier;
use nom::{bytes::complete::take_until, IResult};
use crate::{RunnerDeserialize, RunnerSerialize, StreamVec, Summarizer};
use crate::iex::{IexMessage, IexPayload};
use crate::marketdata_generated::md_shootout;
use crate::{RunnerDeserialize, RunnerSerialize, StreamVec, Summarizer};
pub struct FlatbuffersWriter<'a> {
builder: flatbuffers::FlatBufferBuilder<'a>,
@ -27,7 +22,6 @@ impl<'a> FlatbuffersWriter<'a> {
impl<'a> RunnerSerialize for FlatbuffersWriter<'a> {
fn serialize(&mut self, payload: &IexPayload, output: &mut Vec<u8>) {
// Because FlatBuffers can't handle nested vectors (specifically, we can't track
// both the variable-length vector of messages, and the variable-length strings
// within those messages), we have to cache the messages as they get built
@ -61,7 +55,11 @@ impl<'a> RunnerSerialize for FlatbuffersWriter<'a> {
price: plu.price,
size_: plu.size,
flags: plu.event_flags,
side: if plu.msg_type == 0x38 { md_shootout::Side::Buy } else { md_shootout::Side::Sell },
side: if plu.msg_type == 0x38 {
md_shootout::Side::Buy
} else {
md_shootout::Side::Sell
},
},
);
@ -73,7 +71,7 @@ impl<'a> RunnerSerialize for FlatbuffersWriter<'a> {
body: Some(level_update.as_union_value()),
})
}
_ => None
_ => None,
};
msg_args.map(|a| {
@ -118,7 +116,7 @@ impl RunnerDeserialize for FlatbuffersReader {
// a view over the underlying buffer.
let data = buf.fill_buf().unwrap();
if data.len() == 0 {
return Err(())
return Err(());
}
let msg_len_buf: [u8; 4] = data[..size_of::<u32>()].try_into().unwrap();
@ -127,7 +125,7 @@ impl RunnerDeserialize for FlatbuffersReader {
let multimsg = flatbuffers::get_size_prefixed_root::<md_shootout::MultiMessage>(data);
let msg_vec = match multimsg.messages() {
Some(m) => m,
None => panic!("Couldn't find messages")
None => panic!("Couldn't find messages"),
};
for i in 0..msg_vec.len() {
@ -136,16 +134,16 @@ impl RunnerDeserialize for FlatbuffersReader {
md_shootout::MessageBody::Trade => {
let trade = msg.body_as_trade().unwrap();
stats.append_trade_volume(msg.symbol().unwrap(), trade.size_().into());
},
}
md_shootout::MessageBody::LevelUpdate => {
let lu = msg.body_as_level_update().unwrap();
let is_bid = match lu.side() {
md_shootout::Side::Buy => true,
_ => false
_ => false,
};
stats.update_quote_prices(msg.symbol().unwrap(), lu.price(), is_bid);
},
md_shootout::MessageBody::NONE => panic!("Unrecognized message type")
}
md_shootout::MessageBody::NONE => panic!("Unrecognized message type"),
}
}

View File

@ -1,8 +1,8 @@
use std::convert::TryInto;
use nom::{bytes::complete::take, IResult, number::complete::*, sequence::tuple};
use nom::{bytes::complete::take, number::complete::*, sequence::tuple, IResult};
use crate::parsers::{Block, extract_iex_data, read_block};
use crate::parsers::{extract_iex_data, read_block, Block};
pub struct IexParser<'a> {
pcap_buffer: &'a [u8],

View File

@ -2,13 +2,14 @@ use std::cmp::{max, min};
use std::collections::hash_map::{DefaultHasher, HashMap};
use std::fs::File;
use std::hash::Hasher;
use std::io::{BufRead, Read};
use std::io::Error;
use std::io::{BufRead, Read};
use std::path::Path;
use std::str::from_utf8_unchecked;
use std::time::{Instant, SystemTime};
use std::time::Instant;
use clap::{App, Arg};
use hdrhistogram::Histogram;
use nom::{bytes::complete::take_until, IResult};
use crate::iex::{IexParser, IexPayload};
@ -19,13 +20,14 @@ use crate::iex::{IexParser, IexPayload};
pub mod marketdata_capnp;
#[allow(unused_imports)]
pub mod marketdata_generated; // Flatbuffers
#[allow(dead_code)]
pub mod marketdata_sbe;
mod capnp_runner;
mod flatbuffers_runner;
mod sbe_runner;
mod iex;
mod parsers;
mod sbe_runner;
fn main() {
let matches = App::new("Marketdata Shootout")
@ -48,84 +50,32 @@ fn main() {
file.read_to_end(&mut buf)
.expect(&format!("Unable to read file={}", path.display()));
let _start = SystemTime::now();
let mut summarizer = Summarizer::default();
let mut parser = IexParser::new(&buf[..]);
let _capnp_unpacked = run_analysis(
&buf,
&mut capnp_runner::CapnpWriter::new(false),
&mut capnp_runner::CapnpReader::new(false),
);
// Pre-allocate the same size as the backing file. Will be way more than
// necessary, but makes sure there's no re-allocation not related to
// actual parsing/serialization code
let mut output_buf: Vec<u8> = Vec::with_capacity(buf.capacity());
let _capnp_packed = run_analysis(
&buf,
&mut capnp_runner::CapnpWriter::new(true),
&mut capnp_runner::CapnpReader::new(true),
);
/*
let mut capnp_writer = capnp_runner::CapnpWriter::new();
for iex_payload in parser {
//let iex_payload = parser.next().unwrap();
capnp_writer.serialize(&iex_payload, &mut output_buf, true);
}
let _flatbuffers = run_analysis(
&buf,
&mut flatbuffers_runner::FlatbuffersWriter::new(),
&mut flatbuffers_runner::FlatbuffersReader::new(),
);
let capnp_reader = capnp_runner::CapnpReader::new();
let mut read_buf = StreamVec::new(output_buf);
let mut parsed_msgs: u64 = 0;
while let Ok(_) = capnp_reader.deserialize_packed(&mut read_buf, &mut summarizer) {
parsed_msgs += 1;
}
*/
let mut fb_writer = flatbuffers_runner::FlatbuffersWriter::new();
for iex_payload in parser {
let now = Instant::now();
fb_writer.serialize(&iex_payload, &mut output_buf);
let serialize_nanos = Instant::now().duration_since(now).as_nanos();
dbg!(serialize_nanos);
}
let mut read_buf = StreamVec::new(output_buf);
let fb_reader = flatbuffers_runner::FlatbuffersReader::new();
let mut parsed_msgs = 0;
while let Ok(_) = fb_reader.deserialize(&mut read_buf, &mut summarizer) {
parsed_msgs += 1;
}
/*
let mut capnp_writer = capnp_runner::CapnpWriter::new();
for iex_payload in parser {
//let iex_payload = parser.next().unwrap();
let now = Instant::now();
capnp_writer.serialize(&iex_payload, &mut output_buf, false);
let serialize_nanos = Instant::now().duration_since(now).as_nanos();
dbg!(serialize_nanos);
}
let capnp_reader = capnp_runner::CapnpReader::new();
let mut read_buf = StreamVec::new(output_buf);
let mut parsed_msgs: u64 = 0;
while let Ok(_) = capnp_reader.deserialize_unpacked(&mut read_buf, &mut summarizer) {
parsed_msgs += 1;
}
*/
/*
let mut sbe_writer = sbe_runner::SBEWriter::new();
for iex_payload in parser {
//let iex_payload = parser.next().unwrap();
sbe_writer.serialize(&iex_payload, &mut output_buf);
}
let sbe_reader = sbe_runner::SBEReader::new();
let mut read_buf = StreamVec::new(output_buf);
let mut parsed_msgs: u64 = 0;
while let Ok(_) = sbe_reader.deserialize(&mut read_buf, &mut summarizer) {
parsed_msgs += 1;
}
*/
dbg!(parsed_msgs);
dbg!(summarizer);
let _sbe = run_analysis(
&buf,
&mut sbe_runner::SBEWriter::new(),
&mut sbe_runner::SBEReader::new(),
);
}
#[derive(Debug)]
#[derive(Debug, PartialEq)]
pub struct SummaryStats {
symbol: String,
trade_volume: u64,
@ -135,17 +85,16 @@ pub struct SummaryStats {
ask_low: u64,
}
#[derive(Default, Debug)]
#[derive(Default, Debug, PartialEq)]
pub struct Summarizer {
data: HashMap<u64, SummaryStats>
data: HashMap<u64, SummaryStats>,
}
impl Summarizer {
fn entry(&mut self, sym: &str) -> &mut SummaryStats {
let mut hasher = DefaultHasher::new();
hasher.write(sym.as_bytes());
self.data.entry(hasher.finish())
.or_insert(SummaryStats {
self.data.entry(hasher.finish()).or_insert(SummaryStats {
symbol: sym.to_string(),
trade_volume: 0,
bid_high: 0,
@ -178,10 +127,7 @@ pub struct StreamVec {
impl StreamVec {
pub fn new(buf: Vec<u8>) -> StreamVec {
StreamVec {
pos: 0,
inner: buf,
}
StreamVec { pos: 0, inner: buf }
}
}
@ -189,7 +135,11 @@ impl Read for StreamVec {
fn read(&mut self, buf: &mut [u8]) -> Result<usize, Error> {
// TODO: There's *got* to be a better way to handle this
let end = self.pos + buf.len();
let end = if end > self.inner.len() { self.inner.len() } else { end };
let end = if end > self.inner.len() {
self.inner.len()
} else {
end
};
let read_size = end - self.pos;
buf[..read_size].copy_from_slice(&self.inner[self.pos..end]);
self.pos = end;
@ -226,3 +176,75 @@ fn parse_symbol(sym: &[u8; 8]) -> &str {
let (_, sym_bytes) = __take_until(" ", &sym[..]).unwrap();
unsafe { from_utf8_unchecked(sym_bytes) }
}
struct RunAnalysis {
serialize_hist: Histogram<u64>,
deserialize_hist: Histogram<u64>,
summary_stats: Summarizer,
serialize_total_nanos: u128,
deserialize_total_nanos: u128,
buf_len: usize,
}
fn run_analysis<S, D>(iex_data: &Vec<u8>, serializer: &mut S, deserializer: &mut D) -> RunAnalysis
where
S: RunnerSerialize,
D: RunnerDeserialize,
{
let upper = if cfg!(debug_assertions) {
1_000_000
} else {
100_000
};
let iex_parser = IexParser::new(iex_data);
let mut output_buf = Vec::with_capacity(iex_data.len());
let mut serialize_hist = Histogram::<u64>::new_with_bounds(1, upper, 2).unwrap();
let mut serialize_nanos_total = 0u128;
let mut serialize_msgs = 0;
for iex_payload in iex_parser {
let serialize_start = Instant::now();
serializer.serialize(&iex_payload, &mut output_buf);
let serialize_end = Instant::now().duration_since(serialize_start).as_nanos();
serialize_hist.record(serialize_end as u64).unwrap();
serialize_nanos_total += serialize_end;
serialize_msgs += 1;
}
let output_len = output_buf.len();
let mut read_buf = StreamVec::new(output_buf);
let mut summarizer = Summarizer::default();
let mut deserialize_hist = Histogram::<u64>::new_with_bounds(1, upper, 2).unwrap();
let mut parsed_msgs: u64 = 0;
let mut deserialize_nanos_total = 0u128;
loop {
let deserialize_start = Instant::now();
let res = deserializer.deserialize(&mut read_buf, &mut summarizer);
let deserialize_end = Instant::now().duration_since(deserialize_start).as_nanos();
if res.is_ok() {
deserialize_hist.record(deserialize_end as u64).unwrap();
deserialize_nanos_total += deserialize_end;
parsed_msgs += 1;
} else {
break;
}
}
dbg!(serialize_msgs, parsed_msgs);
RunAnalysis {
serialize_hist,
deserialize_hist,
summary_stats: summarizer,
serialize_total_nanos: serialize_nanos_total,
deserialize_total_nanos: deserialize_nanos_total,
buf_len: output_len,
}
}

File diff suppressed because it is too large Load Diff

View File

@ -1,7 +1,5 @@
// automatically generated by the FlatBuffers compiler, do not modify
extern crate flatbuffers;
use std::cmp::Ordering;
@ -19,27 +17,26 @@ pub mod md_shootout {
extern crate flatbuffers;
#[allow(non_camel_case_types)]
#[repr(u8)]
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
pub enum MessageBody {
#[repr(u8)]
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
pub enum MessageBody {
NONE = 0,
Trade = 1,
LevelUpdate = 2,
}
}
const ENUM_MIN_MESSAGE_BODY: u8 = 0;
const ENUM_MAX_MESSAGE_BODY: u8 = 2;
const ENUM_MIN_MESSAGE_BODY: u8 = 0;
const ENUM_MAX_MESSAGE_BODY: u8 = 2;
impl<'a> flatbuffers::Follow<'a> for MessageBody {
impl<'a> flatbuffers::Follow<'a> for MessageBody {
type Inner = Self;
#[inline]
fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
flatbuffers::read_scalar_at::<Self>(buf, loc)
}
}
}
impl flatbuffers::EndianScalar for MessageBody {
impl flatbuffers::EndianScalar for MessageBody {
#[inline]
fn to_little_endian(self) -> Self {
let n = u8::to_le(self as u8);
@ -52,57 +49,52 @@ impl flatbuffers::EndianScalar for MessageBody {
let p = &n as *const u8 as *const MessageBody;
unsafe { *p }
}
}
}
impl flatbuffers::Push for MessageBody {
impl flatbuffers::Push for MessageBody {
type Output = MessageBody;
#[inline]
fn push(&self, dst: &mut [u8], _rest: &[u8]) {
flatbuffers::emplace_scalar::<MessageBody>(dst, *self);
}
}
}
#[allow(non_camel_case_types)]
const ENUM_VALUES_MESSAGE_BODY:[MessageBody; 3] = [
#[allow(non_camel_case_types)]
const ENUM_VALUES_MESSAGE_BODY: [MessageBody; 3] = [
MessageBody::NONE,
MessageBody::Trade,
MessageBody::LevelUpdate
];
MessageBody::LevelUpdate,
];
#[allow(non_camel_case_types)]
const ENUM_NAMES_MESSAGE_BODY:[&'static str; 3] = [
"NONE",
"Trade",
"LevelUpdate"
];
#[allow(non_camel_case_types)]
const ENUM_NAMES_MESSAGE_BODY: [&'static str; 3] = ["NONE", "Trade", "LevelUpdate"];
pub fn enum_name_message_body(e: MessageBody) -> &'static str {
pub fn enum_name_message_body(e: MessageBody) -> &'static str {
let index = e as u8;
ENUM_NAMES_MESSAGE_BODY[index as usize]
}
}
pub struct MessageBodyUnionTableOffset {}
#[allow(non_camel_case_types)]
#[repr(u8)]
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
pub enum Side {
pub struct MessageBodyUnionTableOffset {}
#[allow(non_camel_case_types)]
#[repr(u8)]
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
pub enum Side {
Buy = 0,
Sell = 1,
}
}
const ENUM_MIN_SIDE: u8 = 0;
const ENUM_MAX_SIDE: u8 = 1;
const ENUM_MIN_SIDE: u8 = 0;
const ENUM_MAX_SIDE: u8 = 1;
impl<'a> flatbuffers::Follow<'a> for Side {
impl<'a> flatbuffers::Follow<'a> for Side {
type Inner = Self;
#[inline]
fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
flatbuffers::read_scalar_at::<Self>(buf, loc)
}
}
}
impl flatbuffers::EndianScalar for Side {
impl flatbuffers::EndianScalar for Side {
#[inline]
fn to_little_endian(self) -> Self {
let n = u8::to_le(self as u8);
@ -115,41 +107,35 @@ impl flatbuffers::EndianScalar for Side {
let p = &n as *const u8 as *const Side;
unsafe { *p }
}
}
}
impl flatbuffers::Push for Side {
impl flatbuffers::Push for Side {
type Output = Side;
#[inline]
fn push(&self, dst: &mut [u8], _rest: &[u8]) {
flatbuffers::emplace_scalar::<Side>(dst, *self);
}
}
}
#[allow(non_camel_case_types)]
const ENUM_VALUES_SIDE:[Side; 2] = [
Side::Buy,
Side::Sell
];
#[allow(non_camel_case_types)]
const ENUM_VALUES_SIDE: [Side; 2] = [Side::Buy, Side::Sell];
#[allow(non_camel_case_types)]
const ENUM_NAMES_SIDE:[&'static str; 2] = [
"Buy",
"Sell"
];
#[allow(non_camel_case_types)]
const ENUM_NAMES_SIDE: [&'static str; 2] = ["Buy", "Sell"];
pub fn enum_name_side(e: Side) -> &'static str {
pub fn enum_name_side(e: Side) -> &'static str {
let index = e as u8;
ENUM_NAMES_SIDE[index as usize]
}
}
pub enum TradeOffset {}
#[derive(Copy, Clone, Debug, PartialEq)]
pub enum TradeOffset {}
#[derive(Copy, Clone, Debug, PartialEq)]
pub struct Trade<'a> {
pub struct Trade<'a> {
pub _tab: flatbuffers::Table<'a>,
}
}
impl<'a> flatbuffers::Follow<'a> for Trade<'a> {
impl<'a> flatbuffers::Follow<'a> for Trade<'a> {
type Inner = Trade<'a>;
#[inline]
fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
@ -157,19 +143,18 @@ impl<'a> flatbuffers::Follow<'a> for Trade<'a> {
_tab: flatbuffers::Table { buf: buf, loc: loc },
}
}
}
}
impl<'a> Trade<'a> {
impl<'a> Trade<'a> {
#[inline]
pub fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
Trade {
_tab: table,
}
Trade { _tab: table }
}
#[allow(unused_mut)]
pub fn create<'bldr: 'args, 'args: 'mut_bldr, 'mut_bldr>(
_fbb: &'mut_bldr mut flatbuffers::FlatBufferBuilder<'bldr>,
args: &'args TradeArgs) -> flatbuffers::WIPOffset<Trade<'bldr>> {
args: &'args TradeArgs,
) -> flatbuffers::WIPOffset<Trade<'bldr>> {
let mut builder = TradeBuilder::new(_fbb);
builder.add_price(args.price);
builder.add_size_(args.size_);
@ -187,26 +172,23 @@ impl<'a> Trade<'a> {
pub fn size_(&self) -> u32 {
self._tab.get::<u32>(Trade::VT_SIZE_, Some(0)).unwrap()
}
}
}
pub struct TradeArgs {
pub struct TradeArgs {
pub price: u64,
pub size_: u32,
}
impl<'a> Default for TradeArgs {
}
impl<'a> Default for TradeArgs {
#[inline]
fn default() -> Self {
TradeArgs {
price: 0,
size_: 0,
TradeArgs { price: 0, size_: 0 }
}
}
}
pub struct TradeBuilder<'a: 'b, 'b> {
pub struct TradeBuilder<'a: 'b, 'b> {
fbb_: &'b mut flatbuffers::FlatBufferBuilder<'a>,
start_: flatbuffers::WIPOffset<flatbuffers::TableUnfinishedWIPOffset>,
}
impl<'a: 'b, 'b> TradeBuilder<'a, 'b> {
}
impl<'a: 'b, 'b> TradeBuilder<'a, 'b> {
#[inline]
pub fn add_price(&mut self, price: u64) {
self.fbb_.push_slot::<u64>(Trade::VT_PRICE, price, 0);
@ -228,16 +210,16 @@ impl<'a: 'b, 'b> TradeBuilder<'a, 'b> {
let o = self.fbb_.end_table(self.start_);
flatbuffers::WIPOffset::new(o.value())
}
}
}
pub enum LevelUpdateOffset {}
#[derive(Copy, Clone, Debug, PartialEq)]
pub enum LevelUpdateOffset {}
#[derive(Copy, Clone, Debug, PartialEq)]
pub struct LevelUpdate<'a> {
pub struct LevelUpdate<'a> {
pub _tab: flatbuffers::Table<'a>,
}
}
impl<'a> flatbuffers::Follow<'a> for LevelUpdate<'a> {
impl<'a> flatbuffers::Follow<'a> for LevelUpdate<'a> {
type Inner = LevelUpdate<'a>;
#[inline]
fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
@ -245,19 +227,18 @@ impl<'a> flatbuffers::Follow<'a> for LevelUpdate<'a> {
_tab: flatbuffers::Table { buf: buf, loc: loc },
}
}
}
}
impl<'a> LevelUpdate<'a> {
impl<'a> LevelUpdate<'a> {
#[inline]
pub fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
LevelUpdate {
_tab: table,
}
LevelUpdate { _tab: table }
}
#[allow(unused_mut)]
pub fn create<'bldr: 'args, 'args: 'mut_bldr, 'mut_bldr>(
_fbb: &'mut_bldr mut flatbuffers::FlatBufferBuilder<'bldr>,
args: &'args LevelUpdateArgs) -> flatbuffers::WIPOffset<LevelUpdate<'bldr>> {
args: &'args LevelUpdateArgs,
) -> flatbuffers::WIPOffset<LevelUpdate<'bldr>> {
let mut builder = LevelUpdateBuilder::new(_fbb);
builder.add_price(args.price);
builder.add_size_(args.size_);
@ -273,11 +254,15 @@ impl<'a> LevelUpdate<'a> {
#[inline]
pub fn price(&self) -> u64 {
self._tab.get::<u64>(LevelUpdate::VT_PRICE, Some(0)).unwrap()
self._tab
.get::<u64>(LevelUpdate::VT_PRICE, Some(0))
.unwrap()
}
#[inline]
pub fn size_(&self) -> u32 {
self._tab.get::<u32>(LevelUpdate::VT_SIZE_, Some(0)).unwrap()
self._tab
.get::<u32>(LevelUpdate::VT_SIZE_, Some(0))
.unwrap()
}
#[inline]
pub fn flags(&self) -> u8 {
@ -285,17 +270,19 @@ impl<'a> LevelUpdate<'a> {
}
#[inline]
pub fn side(&self) -> Side {
self._tab.get::<Side>(LevelUpdate::VT_SIDE, Some(Side::Buy)).unwrap()
self._tab
.get::<Side>(LevelUpdate::VT_SIDE, Some(Side::Buy))
.unwrap()
}
}
}
pub struct LevelUpdateArgs {
pub struct LevelUpdateArgs {
pub price: u64,
pub size_: u32,
pub flags: u8,
pub side: Side,
}
impl<'a> Default for LevelUpdateArgs {
}
impl<'a> Default for LevelUpdateArgs {
#[inline]
fn default() -> Self {
LevelUpdateArgs {
@ -305,12 +292,12 @@ impl<'a> Default for LevelUpdateArgs {
side: Side::Buy,
}
}
}
pub struct LevelUpdateBuilder<'a: 'b, 'b> {
}
pub struct LevelUpdateBuilder<'a: 'b, 'b> {
fbb_: &'b mut flatbuffers::FlatBufferBuilder<'a>,
start_: flatbuffers::WIPOffset<flatbuffers::TableUnfinishedWIPOffset>,
}
impl<'a: 'b, 'b> LevelUpdateBuilder<'a, 'b> {
}
impl<'a: 'b, 'b> LevelUpdateBuilder<'a, 'b> {
#[inline]
pub fn add_price(&mut self, price: u64) {
self.fbb_.push_slot::<u64>(LevelUpdate::VT_PRICE, price, 0);
@ -325,7 +312,8 @@ impl<'a: 'b, 'b> LevelUpdateBuilder<'a, 'b> {
}
#[inline]
pub fn add_side(&mut self, side: Side) {
self.fbb_.push_slot::<Side>(LevelUpdate::VT_SIDE, side, Side::Buy);
self.fbb_
.push_slot::<Side>(LevelUpdate::VT_SIDE, side, Side::Buy);
}
#[inline]
pub fn new(_fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>) -> LevelUpdateBuilder<'a, 'b> {
@ -340,16 +328,16 @@ impl<'a: 'b, 'b> LevelUpdateBuilder<'a, 'b> {
let o = self.fbb_.end_table(self.start_);
flatbuffers::WIPOffset::new(o.value())
}
}
}
pub enum MessageOffset {}
#[derive(Copy, Clone, Debug, PartialEq)]
pub enum MessageOffset {}
#[derive(Copy, Clone, Debug, PartialEq)]
pub struct Message<'a> {
pub struct Message<'a> {
pub _tab: flatbuffers::Table<'a>,
}
}
impl<'a> flatbuffers::Follow<'a> for Message<'a> {
impl<'a> flatbuffers::Follow<'a> for Message<'a> {
type Inner = Message<'a>;
#[inline]
fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
@ -357,23 +345,26 @@ impl<'a> flatbuffers::Follow<'a> for Message<'a> {
_tab: flatbuffers::Table { buf: buf, loc: loc },
}
}
}
}
impl<'a> Message<'a> {
impl<'a> Message<'a> {
#[inline]
pub fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
Message {
_tab: table,
}
Message { _tab: table }
}
#[allow(unused_mut)]
pub fn create<'bldr: 'args, 'args: 'mut_bldr, 'mut_bldr>(
_fbb: &'mut_bldr mut flatbuffers::FlatBufferBuilder<'bldr>,
args: &'args MessageArgs<'args>) -> flatbuffers::WIPOffset<Message<'bldr>> {
args: &'args MessageArgs<'args>,
) -> flatbuffers::WIPOffset<Message<'bldr>> {
let mut builder = MessageBuilder::new(_fbb);
builder.add_ts_nanos(args.ts_nanos);
if let Some(x) = args.body { builder.add_body(x); }
if let Some(x) = args.symbol { builder.add_symbol(x); }
if let Some(x) = args.body {
builder.add_body(x);
}
if let Some(x) = args.symbol {
builder.add_symbol(x);
}
builder.add_body_type(args.body_type);
builder.finish()
}
@ -389,15 +380,19 @@ impl<'a> Message<'a> {
}
#[inline]
pub fn symbol(&self) -> Option<&'a str> {
self._tab.get::<flatbuffers::ForwardsUOffset<&str>>(Message::VT_SYMBOL, None)
self._tab
.get::<flatbuffers::ForwardsUOffset<&str>>(Message::VT_SYMBOL, None)
}
#[inline]
pub fn body_type(&self) -> MessageBody {
self._tab.get::<MessageBody>(Message::VT_BODY_TYPE, Some(MessageBody::NONE)).unwrap()
self._tab
.get::<MessageBody>(Message::VT_BODY_TYPE, Some(MessageBody::NONE))
.unwrap()
}
#[inline]
pub fn body(&self) -> Option<flatbuffers::Table<'a>> {
self._tab.get::<flatbuffers::ForwardsUOffset<flatbuffers::Table<'a>>>(Message::VT_BODY, None)
self._tab
.get::<flatbuffers::ForwardsUOffset<flatbuffers::Table<'a>>>(Message::VT_BODY, None)
}
#[inline]
#[allow(non_snake_case)]
@ -418,16 +413,15 @@ impl<'a> Message<'a> {
None
}
}
}
}
pub struct MessageArgs<'a> {
pub struct MessageArgs<'a> {
pub ts_nanos: i64,
pub symbol: Option<flatbuffers::WIPOffset<&'a str>>,
pub body_type: MessageBody,
pub body: Option<flatbuffers::WIPOffset<flatbuffers::UnionWIPOffset>>,
}
impl<'a> Default for MessageArgs<'a> {
}
impl<'a> Default for MessageArgs<'a> {
#[inline]
fn default() -> Self {
MessageArgs {
@ -437,27 +431,31 @@ impl<'a> Default for MessageArgs<'a> {
body: None,
}
}
}
pub struct MessageBuilder<'a: 'b, 'b> {
}
pub struct MessageBuilder<'a: 'b, 'b> {
fbb_: &'b mut flatbuffers::FlatBufferBuilder<'a>,
start_: flatbuffers::WIPOffset<flatbuffers::TableUnfinishedWIPOffset>,
}
impl<'a: 'b, 'b> MessageBuilder<'a, 'b> {
}
impl<'a: 'b, 'b> MessageBuilder<'a, 'b> {
#[inline]
pub fn add_ts_nanos(&mut self, ts_nanos: i64) {
self.fbb_.push_slot::<i64>(Message::VT_TS_NANOS, ts_nanos, 0);
self.fbb_
.push_slot::<i64>(Message::VT_TS_NANOS, ts_nanos, 0);
}
#[inline]
pub fn add_symbol(&mut self, symbol: flatbuffers::WIPOffset<&'b str>) {
self.fbb_.push_slot_always::<flatbuffers::WIPOffset<_>>(Message::VT_SYMBOL, symbol);
self.fbb_
.push_slot_always::<flatbuffers::WIPOffset<_>>(Message::VT_SYMBOL, symbol);
}
#[inline]
pub fn add_body_type(&mut self, body_type: MessageBody) {
self.fbb_.push_slot::<MessageBody>(Message::VT_BODY_TYPE, body_type, MessageBody::NONE);
self.fbb_
.push_slot::<MessageBody>(Message::VT_BODY_TYPE, body_type, MessageBody::NONE);
}
#[inline]
pub fn add_body(&mut self, body: flatbuffers::WIPOffset<flatbuffers::UnionWIPOffset>) {
self.fbb_.push_slot_always::<flatbuffers::WIPOffset<_>>(Message::VT_BODY, body);
self.fbb_
.push_slot_always::<flatbuffers::WIPOffset<_>>(Message::VT_BODY, body);
}
#[inline]
pub fn new(_fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>) -> MessageBuilder<'a, 'b> {
@ -472,16 +470,16 @@ impl<'a: 'b, 'b> MessageBuilder<'a, 'b> {
let o = self.fbb_.end_table(self.start_);
flatbuffers::WIPOffset::new(o.value())
}
}
}
pub enum MultiMessageOffset {}
#[derive(Copy, Clone, Debug, PartialEq)]
pub enum MultiMessageOffset {}
#[derive(Copy, Clone, Debug, PartialEq)]
pub struct MultiMessage<'a> {
pub struct MultiMessage<'a> {
pub _tab: flatbuffers::Table<'a>,
}
}
impl<'a> flatbuffers::Follow<'a> for MultiMessage<'a> {
impl<'a> flatbuffers::Follow<'a> for MultiMessage<'a> {
type Inner = MultiMessage<'a>;
#[inline]
fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
@ -489,22 +487,23 @@ impl<'a> flatbuffers::Follow<'a> for MultiMessage<'a> {
_tab: flatbuffers::Table { buf: buf, loc: loc },
}
}
}
}
impl<'a> MultiMessage<'a> {
impl<'a> MultiMessage<'a> {
#[inline]
pub fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
MultiMessage {
_tab: table,
}
MultiMessage { _tab: table }
}
#[allow(unused_mut)]
pub fn create<'bldr: 'args, 'args: 'mut_bldr, 'mut_bldr>(
_fbb: &'mut_bldr mut flatbuffers::FlatBufferBuilder<'bldr>,
args: &'args MultiMessageArgs<'args>) -> flatbuffers::WIPOffset<MultiMessage<'bldr>> {
args: &'args MultiMessageArgs<'args>,
) -> flatbuffers::WIPOffset<MultiMessage<'bldr>> {
let mut builder = MultiMessageBuilder::new(_fbb);
builder.add_seq_no(args.seq_no);
if let Some(x) = args.messages { builder.add_messages(x); }
if let Some(x) = args.messages {
builder.add_messages(x);
}
builder.finish()
}
@ -513,19 +512,29 @@ impl<'a> MultiMessage<'a> {
#[inline]
pub fn seq_no(&self) -> u64 {
self._tab.get::<u64>(MultiMessage::VT_SEQ_NO, Some(0)).unwrap()
self._tab
.get::<u64>(MultiMessage::VT_SEQ_NO, Some(0))
.unwrap()
}
#[inline]
pub fn messages(&self) -> Option<flatbuffers::Vector<'a, flatbuffers::ForwardsUOffset<Message<'a>>>> {
self._tab.get::<flatbuffers::ForwardsUOffset<flatbuffers::Vector<flatbuffers::ForwardsUOffset<Message<'a>>>>>(MultiMessage::VT_MESSAGES, None)
pub fn messages(
&self,
) -> Option<flatbuffers::Vector<'a, flatbuffers::ForwardsUOffset<Message<'a>>>> {
self._tab.get::<flatbuffers::ForwardsUOffset<
flatbuffers::Vector<flatbuffers::ForwardsUOffset<Message<'a>>>,
>>(MultiMessage::VT_MESSAGES, None)
}
}
}
pub struct MultiMessageArgs<'a> {
pub struct MultiMessageArgs<'a> {
pub seq_no: u64,
pub messages: Option<flatbuffers::WIPOffset<flatbuffers::Vector<'a , flatbuffers::ForwardsUOffset<Message<'a >>>>>,
}
impl<'a> Default for MultiMessageArgs<'a> {
pub messages: Option<
flatbuffers::WIPOffset<
flatbuffers::Vector<'a, flatbuffers::ForwardsUOffset<Message<'a>>>,
>,
>,
}
impl<'a> Default for MultiMessageArgs<'a> {
#[inline]
fn default() -> Self {
MultiMessageArgs {
@ -533,22 +542,31 @@ impl<'a> Default for MultiMessageArgs<'a> {
messages: None,
}
}
}
pub struct MultiMessageBuilder<'a: 'b, 'b> {
}
pub struct MultiMessageBuilder<'a: 'b, 'b> {
fbb_: &'b mut flatbuffers::FlatBufferBuilder<'a>,
start_: flatbuffers::WIPOffset<flatbuffers::TableUnfinishedWIPOffset>,
}
impl<'a: 'b, 'b> MultiMessageBuilder<'a, 'b> {
}
impl<'a: 'b, 'b> MultiMessageBuilder<'a, 'b> {
#[inline]
pub fn add_seq_no(&mut self, seq_no: u64) {
self.fbb_.push_slot::<u64>(MultiMessage::VT_SEQ_NO, seq_no, 0);
self.fbb_
.push_slot::<u64>(MultiMessage::VT_SEQ_NO, seq_no, 0);
}
#[inline]
pub fn add_messages(&mut self, messages: flatbuffers::WIPOffset<flatbuffers::Vector<'b , flatbuffers::ForwardsUOffset<Message<'b >>>>) {
self.fbb_.push_slot_always::<flatbuffers::WIPOffset<_>>(MultiMessage::VT_MESSAGES, messages);
pub fn add_messages(
&mut self,
messages: flatbuffers::WIPOffset<
flatbuffers::Vector<'b, flatbuffers::ForwardsUOffset<Message<'b>>>,
>,
) {
self.fbb_
.push_slot_always::<flatbuffers::WIPOffset<_>>(MultiMessage::VT_MESSAGES, messages);
}
#[inline]
pub fn new(_fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>) -> MultiMessageBuilder<'a, 'b> {
pub fn new(
_fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>,
) -> MultiMessageBuilder<'a, 'b> {
let start = _fbb.start_table();
MultiMessageBuilder {
fbb_: _fbb,
@ -560,7 +578,6 @@ impl<'a: 'b, 'b> MultiMessageBuilder<'a, 'b> {
let o = self.fbb_.end_table(self.start_);
flatbuffers::WIPOffset::new(o.value())
}
}
}
} // pub mod MdShootout

View File

@ -1,6 +1,5 @@
/// Generated code for SBE package marketdata_sbe
/// Imports core rather than std to broaden usable environments.
extern crate core;
@ -89,9 +88,8 @@ impl<'d> ScratchEncoderData<'d> {
fn write_type<T>(&mut self, t: &T, num_bytes: usize) -> CodecResult<()> {
let end = self.pos + num_bytes;
if end <= self.data.len() {
let source_bytes: &[u8] = unsafe {
core::slice::from_raw_parts(t as *const T as *const u8, num_bytes)
};
let source_bytes: &[u8] =
unsafe { core::slice::from_raw_parts(t as *const T as *const u8, num_bytes) };
(&mut self.data[self.pos..end]).copy_from_slice(source_bytes);
self.pos = end;
Ok(())
@ -134,12 +132,16 @@ impl<'d> ScratchEncoderData<'d> {
/// Copy the bytes of a value into the data buffer at a specific position
/// Does **not** alter the `pos` index.
#[inline]
fn write_at_position<T>(&mut self, position: usize, t: &T, num_bytes: usize) -> CodecResult<()> {
fn write_at_position<T>(
&mut self,
position: usize,
t: &T,
num_bytes: usize,
) -> CodecResult<()> {
let end = position + num_bytes;
if end <= self.data.len() {
let source_bytes: &[u8] = unsafe {
core::slice::from_raw_parts(t as *const T as *const u8, num_bytes)
};
let source_bytes: &[u8] =
unsafe { core::slice::from_raw_parts(t as *const T as *const u8, num_bytes) };
(&mut self.data[position..end]).copy_from_slice(source_bytes);
Ok(())
} else {
@ -151,11 +153,18 @@ impl<'d> ScratchEncoderData<'d> {
/// Note that the initial content of the slice's members' fields may be garbage.
/// Advances the `pos` index to after the region representing the slice.
#[inline]
fn writable_slice<T>(&mut self, count: usize, bytes_per_item: usize) -> CodecResult<&'d mut [T]> {
fn writable_slice<T>(
&mut self,
count: usize,
bytes_per_item: usize,
) -> CodecResult<&'d mut [T]> {
let end = self.pos + (count * bytes_per_item);
if end <= self.data.len() {
let v: &'d mut [T] = unsafe {
core::slice::from_raw_parts_mut(self.data[self.pos..end].as_mut_ptr() as *mut T, count)
core::slice::from_raw_parts_mut(
self.data[self.pos..end].as_mut_ptr() as *mut T,
count,
)
};
self.pos = end;
Ok(v)
@ -172,9 +181,8 @@ impl<'d> ScratchEncoderData<'d> {
let content_bytes_size = bytes_per_item * t.len();
let end = self.pos + content_bytes_size;
if end <= self.data.len() {
let source_bytes: &[u8] = unsafe {
core::slice::from_raw_parts(t.as_ptr() as *const u8, content_bytes_size)
};
let source_bytes: &[u8] =
unsafe { core::slice::from_raw_parts(t.as_ptr() as *const u8, content_bytes_size) };
(&mut self.data[self.pos..end]).copy_from_slice(source_bytes);
self.pos = end;
Ok(())
@ -188,7 +196,7 @@ impl<'d> ScratchEncoderData<'d> {
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
pub enum Either<L, R> {
Left(L),
Right(R)
Right(R),
}
/// Enum Side
@ -200,7 +208,9 @@ pub enum Side {
NullVal = 255u8,
}
impl Default for Side {
fn default() -> Self { Side::NullVal }
fn default() -> Self {
Side::NullVal
}
}
/// Enum MsgType
@ -212,7 +222,9 @@ pub enum MsgType {
NullVal = 255u8,
}
impl Default for MsgType {
fn default() -> Self { MsgType::NullVal }
fn default() -> Self {
MsgType::NullVal
}
}
/// Quote
@ -270,7 +282,9 @@ pub struct VarAsciiEncoding {
impl VarAsciiEncoding {}
/// MessageHeader Decoder entry point
pub fn start_decoding_message_header<'d>(data: &'d [u8]) -> CodecResult<(&'d MessageHeader, ScratchDecoderData<'d>)> {
pub fn start_decoding_message_header<'d>(
data: &'d [u8],
) -> CodecResult<(&'d MessageHeader, ScratchDecoderData<'d>)> {
let mut scratch = ScratchDecoderData { data: data, pos: 0 };
let v = scratch.read_type::<MessageHeader>(8)?;
Ok((v, scratch))
@ -283,13 +297,12 @@ pub struct MultiMessageFields {
pub sequence_number: u64,
}
impl MultiMessageFields {}
/// MultiMessage specific Message Header
#[repr(C, packed)]
pub struct MultiMessageMessageHeader {
pub message_header: MessageHeader
pub message_header: MessageHeader,
}
impl MultiMessageMessageHeader {
pub const BLOCK_LENGTH: u16 = 8;
@ -305,7 +318,7 @@ impl Default for MultiMessageMessageHeader {
template_id: 1u16,
schema_id: 1u16,
version: 0u16,
}
},
}
}
}
@ -345,9 +358,17 @@ impl<'d> MultiMessageMessagesSymbolDecoder<'d> {
fn wrap(parent: MultiMessageMessagesMemberDecoder<'d>) -> Self {
MultiMessageMessagesSymbolDecoder { parent: parent }
}
pub fn symbol(mut self) -> CodecResult<(&'d [u8], Either<MultiMessageMessagesMemberDecoder<'d>, MultiMessageDecoderDone<'d>>)> {
pub fn symbol(
mut self,
) -> CodecResult<(
&'d [u8],
Either<MultiMessageMessagesMemberDecoder<'d>, MultiMessageDecoderDone<'d>>,
)> {
let count = *self.parent.scratch.read_type::<u32>(4)?;
Ok((self.parent.scratch.read_slice::<u8>(count as usize, 1)?, self.parent.after_member()))
Ok((
self.parent.scratch.read_slice::<u8>(count as usize, 1)?,
self.parent.after_member(),
))
}
}
@ -368,13 +389,20 @@ impl<'d> MultiMessageMessagesMemberDecoder<'d> {
}
}
pub fn next_messages_member(mut self) -> CodecResult<(&'d MultiMessageMessagesMember, MultiMessageMessagesSymbolDecoder<'d>)> {
pub fn next_messages_member(
mut self,
) -> CodecResult<(
&'d MultiMessageMessagesMember,
MultiMessageMessagesSymbolDecoder<'d>,
)> {
let v = self.scratch.read_type::<MultiMessageMessagesMember>(35)?;
self.index += 1;
Ok((v, MultiMessageMessagesSymbolDecoder::wrap(self)))
}
#[inline]
fn after_member(self) -> Either<MultiMessageMessagesMemberDecoder<'d>, MultiMessageDecoderDone<'d>> {
fn after_member(
self,
) -> Either<MultiMessageMessagesMemberDecoder<'d>, MultiMessageDecoderDone<'d>> {
if self.index <= self.max_index {
Either::Left(self)
} else {
@ -389,10 +417,16 @@ impl<'d> MultiMessageMessagesHeaderDecoder<'d> {
fn wrap(scratch: ScratchDecoderData<'d>) -> Self {
MultiMessageMessagesHeaderDecoder { scratch: scratch }
}
pub fn messages_individually(mut self) -> CodecResult<Either<MultiMessageMessagesMemberDecoder<'d>, MultiMessageDecoderDone<'d>>> {
pub fn messages_individually(
mut self,
) -> CodecResult<Either<MultiMessageMessagesMemberDecoder<'d>, MultiMessageDecoderDone<'d>>>
{
let dim = self.scratch.read_type::<GroupSizeEncoding>(4)?;
if dim.num_in_group > 0 {
Ok(Either::Left(MultiMessageMessagesMemberDecoder::new(self.scratch, dim.num_in_group)))
Ok(Either::Left(MultiMessageMessagesMemberDecoder::new(
self.scratch,
dim.num_in_group,
)))
} else {
Ok(Either::Right(MultiMessageDecoderDone::wrap(self.scratch)))
}
@ -404,11 +438,15 @@ pub struct MultiMessageFieldsDecoder<'d> {
scratch: ScratchDecoderData<'d>,
}
impl<'d> MultiMessageFieldsDecoder<'d> {
pub fn wrap(scratch: ScratchDecoderData<'d>) -> MultiMessageFieldsDecoder<'d> {
MultiMessageFieldsDecoder { scratch: scratch }
}
pub fn multi_message_fields(mut self) -> CodecResult<(&'d MultiMessageFields, MultiMessageMessagesHeaderDecoder<'d>)> {
pub fn multi_message_fields(
mut self,
) -> CodecResult<(
&'d MultiMessageFields,
MultiMessageMessagesHeaderDecoder<'d>,
)> {
let v = self.scratch.read_type::<MultiMessageFields>(8)?;
Ok((v, MultiMessageMessagesHeaderDecoder::wrap(self.scratch)))
}
@ -419,7 +457,6 @@ pub struct MultiMessageMessageHeaderDecoder<'d> {
scratch: ScratchDecoderData<'d>,
}
impl<'d> MultiMessageMessageHeaderDecoder<'d> {
pub fn wrap(scratch: ScratchDecoderData<'d>) -> MultiMessageMessageHeaderDecoder<'d> {
MultiMessageMessageHeaderDecoder { scratch: scratch }
}
@ -460,7 +497,7 @@ impl<'d> MultiMessageMessagesSymbolEncoder<'d> {
pub fn symbol(mut self, s: &'d [u8]) -> CodecResult<MultiMessageMessagesMemberEncoder> {
let l = s.len();
if l > 4294967294 {
return Err(CodecErr::SliceIsLongerThanAllowedBySchema)
return Err(CodecErr::SliceIsLongerThanAllowedBySchema);
}
// Write data length
self.parent.scratch.write_type::<u32>(&(l as u32), 4)?; // group length
@ -487,14 +524,19 @@ impl<'d> MultiMessageMessagesMemberEncoder<'d> {
}
#[inline]
pub fn next_messages_member(mut self, fields: &MultiMessageMessagesMember) -> CodecResult<MultiMessageMessagesSymbolEncoder<'d>> {
self.scratch.write_type::<MultiMessageMessagesMember>(fields, 35)?; // block length
pub fn next_messages_member(
mut self,
fields: &MultiMessageMessagesMember,
) -> CodecResult<MultiMessageMessagesSymbolEncoder<'d>> {
self.scratch
.write_type::<MultiMessageMessagesMember>(fields, 35)?; // block length
self.count += 1;
Ok(MultiMessageMessagesSymbolEncoder::wrap(self))
}
#[inline]
pub fn done_with_messages(mut self) -> CodecResult<MultiMessageEncoderDone<'d>> {
self.scratch.write_at_position::<u16>(self.count_write_pos, &self.count, 2)?;
self.scratch
.write_at_position::<u16>(self.count_write_pos, &self.count, 2)?;
Ok(MultiMessageEncoderDone::wrap(self.scratch))
}
}
@ -511,7 +553,10 @@ impl<'d> MultiMessageMessagesHeaderEncoder<'d> {
self.scratch.write_type::<u16>(&35u16, 2)?; // block length
let count_pos = self.scratch.pos;
self.scratch.write_type::<u16>(&0, 2)?; // preliminary group member count
Ok(MultiMessageMessagesMemberEncoder::new(self.scratch, count_pos))
Ok(MultiMessageMessagesMemberEncoder::new(
self.scratch,
count_pos,
))
}
}
@ -520,7 +565,6 @@ pub struct MultiMessageFieldsEncoder<'d> {
scratch: ScratchEncoderData<'d>,
}
impl<'d> MultiMessageFieldsEncoder<'d> {
pub fn wrap(scratch: ScratchEncoderData<'d>) -> MultiMessageFieldsEncoder<'d> {
MultiMessageFieldsEncoder { scratch: scratch }
}
@ -528,13 +572,21 @@ impl<'d> MultiMessageFieldsEncoder<'d> {
/// Create a mutable struct reference overlaid atop the data buffer
/// such that changes to the struct directly edit the buffer.
/// Note that the initial content of the struct's fields may be garbage.
pub fn multi_message_fields(mut self) -> CodecResult<(&'d mut MultiMessageFields, MultiMessageMessagesHeaderEncoder<'d>)> {
pub fn multi_message_fields(
mut self,
) -> CodecResult<(
&'d mut MultiMessageFields,
MultiMessageMessagesHeaderEncoder<'d>,
)> {
let v = self.scratch.writable_overlay::<MultiMessageFields>(8 + 0)?;
Ok((v, MultiMessageMessagesHeaderEncoder::wrap(self.scratch)))
}
/// Copy the bytes of a value into the data buffer
pub fn multi_message_fields_copy(mut self, t: &MultiMessageFields) -> CodecResult<MultiMessageMessagesHeaderEncoder<'d>> {
pub fn multi_message_fields_copy(
mut self,
t: &MultiMessageFields,
) -> CodecResult<MultiMessageMessagesHeaderEncoder<'d>> {
self.scratch.write_type::<MultiMessageFields>(t, 8)?;
Ok(MultiMessageMessagesHeaderEncoder::wrap(self.scratch))
}
@ -565,6 +617,8 @@ impl<'d> MultiMessageMessageHeaderEncoder<'d> {
}
/// MultiMessage Encoder entry point
pub fn start_encoding_multi_message<'d>(data: &'d mut [u8]) -> MultiMessageMessageHeaderEncoder<'d> {
pub fn start_encoding_multi_message<'d>(
data: &'d mut [u8],
) -> MultiMessageMessageHeaderEncoder<'d> {
MultiMessageMessageHeaderEncoder::wrap(ScratchEncoderData { data: data, pos: 0 })
}

View File

@ -1,6 +1,6 @@
use nom::{
branch::alt, bytes::complete::tag, bytes::complete::take, IResult, number::complete::*,
sequence::tuple,
branch::alt, bytes::complete::tag, bytes::complete::take, number::complete::*, sequence::tuple,
IResult,
};
pub enum Block<'a> {

View File

@ -1,12 +1,13 @@
use std::io::{BufRead, Write};
use std::str::from_utf8_unchecked;
use nom::bytes::complete::take_until;
use nom::IResult;
use crate::{marketdata_sbe, RunnerDeserialize, RunnerSerialize, StreamVec, Summarizer};
use crate::iex::{IexMessage, IexPayload};
use crate::marketdata_sbe::{Either, MultiMessageFields, MultiMessageMessageHeader, MultiMessageMessagesMember, MultiMessageMessagesMemberEncoder, MultiMessageMessagesSymbolEncoder, Side, start_decoding_multi_message, start_encoding_multi_message};
use crate::marketdata_sbe::{
start_decoding_multi_message, start_encoding_multi_message, Either, MultiMessageMessageHeader,
MultiMessageMessagesMember, MultiMessageMessagesMemberEncoder,
MultiMessageMessagesSymbolEncoder, Side,
};
use crate::{marketdata_sbe, RunnerDeserialize, RunnerSerialize, StreamVec, Summarizer};
pub struct SBEWriter {
/// Buffer to construct messages before copying. While SBE benefits
@ -32,13 +33,15 @@ impl SBEWriter {
impl RunnerSerialize for SBEWriter {
fn serialize(&mut self, payload: &IexPayload, output: &mut Vec<u8>) {
let (fields, encoder) = start_encoding_multi_message(&mut self.scratch_buffer[..])
.header_copy(&self.default_header.message_header).unwrap()
.multi_message_fields().unwrap();
.header_copy(&self.default_header.message_header)
.unwrap()
.multi_message_fields()
.unwrap();
fields.sequence_number = payload.first_seq_no;
let mut encoder = encoder.messages_individually().unwrap();
let mut encoder: MultiMessageMessagesMemberEncoder = payload.messages.iter().fold(encoder, |enc, m| {
match m {
let encoder = encoder.messages_individually().unwrap();
let encoder: MultiMessageMessagesMemberEncoder =
payload.messages.iter().fold(encoder, |enc, m| match m {
IexMessage::TradeReport(tr) => {
let fields = MultiMessageMessagesMember {
msg_type: marketdata_sbe::MsgType::Trade,
@ -49,8 +52,11 @@ impl RunnerSerialize for SBEWriter {
},
..Default::default()
};
let sym_enc: MultiMessageMessagesSymbolEncoder = enc.next_messages_member(&fields).unwrap();
sym_enc.symbol(crate::parse_symbol(&tr.symbol).as_bytes()).unwrap()
let sym_enc: MultiMessageMessagesSymbolEncoder =
enc.next_messages_member(&fields).unwrap();
sym_enc
.symbol(crate::parse_symbol(&tr.symbol).as_bytes())
.unwrap()
}
IexMessage::PriceLevelUpdate(plu) => {
let fields = MultiMessageMessagesMember {
@ -60,15 +66,21 @@ impl RunnerSerialize for SBEWriter {
price: plu.price,
size: plu.size,
flags: plu.event_flags,
side: if plu.msg_type == 0x38 { Side::Buy } else { Side::Sell },
side: if plu.msg_type == 0x38 {
Side::Buy
} else {
Side::Sell
},
},
..Default::default()
};
let sym_enc: MultiMessageMessagesSymbolEncoder = enc.next_messages_member(&fields).unwrap();
sym_enc.symbol(crate::parse_symbol(&plu.symbol).as_bytes()).unwrap()
}
_ => enc
let sym_enc: MultiMessageMessagesSymbolEncoder =
enc.next_messages_member(&fields).unwrap();
sym_enc
.symbol(crate::parse_symbol(&plu.symbol).as_bytes())
.unwrap()
}
_ => enc,
});
let finished = encoder.done_with_messages().unwrap();
@ -93,10 +105,9 @@ impl RunnerDeserialize for SBEReader {
return Err(());
}
let (header, decoder) = start_decoding_multi_message(data)
.header().unwrap();
let (_header, decoder) = start_decoding_multi_message(data).header().unwrap();
let (fields, decoder) = decoder.multi_message_fields().unwrap();
let (_fields, decoder) = decoder.multi_message_fields().unwrap();
let mut msg_decoder = decoder.messages_individually().unwrap();
while let Either::Left(msg) = msg_decoder {
let (member, sym_dec) = msg.next_messages_member().unwrap();
@ -111,10 +122,10 @@ impl RunnerDeserialize for SBEReader {
member.quote.price,
match member.quote.side {
Side::Buy => true,
_ => false
_ => false,
},
),
_ => ()
_ => (),
}
msg_decoder = next_msg_dec;
}
@ -122,7 +133,7 @@ impl RunnerDeserialize for SBEReader {
// We now have a `Right`, which is a finished messages block
let msg_decoder = match msg_decoder {
Either::Right(r) => r,
_ => panic!("Didn't parse all messages")
_ => panic!("Didn't parse all messages"),
};
// Interestingly enough, `buf.consume(msg_decoder.unwrap())` isn't OK,