Refactor crate into multiple subcrates

This commit is contained in:
2026-05-04 22:45:55 -07:00
parent d71d96c15f
commit ea68537f0b
48 changed files with 9839 additions and 366 deletions
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data
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[package]
name = "roto-benches"
version = "0.1.0"
edition = "2024"
[dependencies]
roto-runtime = { path = "../runtime" }
clap = { version = "4", features = ["derive"] }
log = "0.4"
env_logger = "0.11"
[dev-dependencies]
criterion = { version = "0.5", features = ["html_reports"] }
[[bench]]
name = "hackers_bench"
harness = false
@@ -27,7 +27,7 @@
//! - `iterate` — counting repeated fields at different nesting depths
use criterion::{BenchmarkId, Criterion, Throughput, criterion_group, criterion_main};
use roto::hackers::{Campaign, Hacker, Operation, Worm};
use roto_benches::hackers::{Campaign, Hacker, Operation, Worm};
use std::hint::black_box;
// =============================================================================
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//! Generates Hackers-themed benchmark proto binaries using the roto builder API.
//!
//! Run this once to create the data files that `hackers_bench` loads:
//!
//! ```sh
//! cargo run --release --bin gen_bench_data -- --preset tiny
//! cargo run --release --bin gen_bench_data -- --preset small
//! cargo run --release --bin gen_bench_data -- --preset medium
//! cargo run --release --bin gen_bench_data -- --preset large
//! cargo run --release --bin gen_bench_data -- --preset huge
//!
//! # Custom: ~50 MB — 500 ops × 100 KB stolen_data each
//! cargo run --release --bin gen_bench_data -- \
//! --ops 500 --stolen-kb 100 --output data/bench/50mb.pb
//! ```
//!
//! Files land in `data/bench/` by default.
use clap::Parser;
use roto_benches::hackers::{
CampaignBuilder, ConnectionBuilder, HackerBuilder, OperationBuilder, ToolBuilder, WormBuilder,
};
use std::io::{self, Write};
use std::path::Path;
// =============================================================================
// CLI
// =============================================================================
#[derive(Parser)]
#[command(
name = "gen_bench_data",
about = "Generate Hackers-themed proto binaries for benchmarks"
)]
struct Args {
/// Output file. Defaults to data/bench/<preset>.pb when --preset is used.
#[arg(short, long)]
output: Option<String>,
/// Named size preset: tiny | small | medium | large | huge
#[arg(short, long)]
preset: Option<String>,
/// Number of Operation messages.
#[arg(long, default_value_t = 100)]
ops: usize,
/// Kilobytes of random stolen_data padding per Operation.
#[arg(long, default_value_t = 0)]
stolen_kb: usize,
/// Hacker crew members per Operation.
#[arg(long, default_value_t = 3)]
crew: usize,
/// RNG seed.
#[arg(long, default_value_t = 42)]
seed: u64,
}
// =============================================================================
// Minimal xorshift64 RNG
// =============================================================================
struct Rng(u64);
impl Rng {
fn new(seed: u64) -> Self {
Self(if seed == 0 { 0xdeadbeef_cafebabe } else { seed })
}
fn next(&mut self) -> u64 {
self.0 ^= self.0 << 13;
self.0 ^= self.0 >> 7;
self.0 ^= self.0 << 17;
self.0
}
fn below(&mut self, n: usize) -> usize {
(self.next() as usize) % n
}
fn range(&mut self, lo: u64, hi: u64) -> u64 {
lo + self.next() % (hi - lo)
}
fn bool(&mut self) -> bool {
self.next() & 1 == 0
}
fn pick<'a, T>(&mut self, s: &'a [T]) -> &'a T {
&s[self.below(s.len())]
}
fn bytes(&mut self, n: usize) -> Vec<u8> {
(0..n).map(|_| self.next() as u8).collect()
}
}
// =============================================================================
// Flavour text
// =============================================================================
const HANDLES: &[&str] = &[
"Zero Cool",
"Acid Burn",
"Phantom Phreak",
"Cereal Killer",
"Lord Nikon",
"The Plague",
"Crash Override",
];
const REAL_NAMES: &[&str] = &[
"Dade Murphy",
"Kate Libby",
"Richard Gill",
"Emmanuel Goldstein",
"Paul Cook",
"Eugene Belford",
];
const EXPLOITS: &[&str] = &[
"buffer overflow",
"stack smash",
"heap spray",
"race condition",
"SQL injection",
"CSRF",
"XSS",
"RCE",
"privesc",
"kernel panic",
];
const TOOL_NAMES: &[&str] = &[
"nmap",
"metasploit",
"netcat",
"tcpdump",
"Wireshark",
"sqlmap",
"Burp Suite",
"hashcat",
"john",
];
const CORPS: &[&str] = &[
"ELLINGSON MINERAL",
"Cyberdelia",
"The Gibson",
"Prism BBS",
"Elite BBS",
"CRT Systems",
];
const LOG_LINES: &[&str] = &[
"Hack the planet!",
"Mess with the best, die like the rest.",
"I'm in.",
"They're tracing us.",
"It's a Unix system! I know this!",
"You are elite.",
"Garbage file accessed.",
];
const WORM_TARGETS: &[&str] = &[
"ELLINGSON MINERAL",
"Cyberdelia",
"The Gibson",
"Prism",
"CRT BBS",
];
const OP_NAMES: &[&str] = &[
"OPERATION HACK THE PLANET",
"GIBSON BREACH",
"ELLINGSON STING",
"WORM UNLEASHED",
"PHANTOM ACCESS",
"DA VINCI",
];
// =============================================================================
// Message builders using the generated roto::hackers API
// =============================================================================
fn gen_tool(rng: &mut Rng) -> Vec<u8> {
let payload_n = rng.range(8, 64) as usize;
let payload = rng.bytes(payload_n);
let version = format!("{}.{}", rng.range(1, 9), rng.range(0, 99));
let mut buf = vec![0u8; 512];
ToolBuilder::builder(&mut buf)
.name(*rng.pick(TOOL_NAMES))
.unwrap()
.version(&version)
.unwrap()
.payload(&payload)
.unwrap()
.is_active(rng.bool() as u64)
.unwrap()
.exploit_count(rng.range(0, 50) as i32)
.unwrap()
.finish()
.unwrap()
.to_vec()
}
fn gen_connection(rng: &mut Rng) -> Vec<u8> {
let host = format!("192.168.{}.{}", rng.range(1, 254), rng.range(1, 254));
let session_key = rng.bytes(32);
let mut buf = vec![0u8; 256];
ConnectionBuilder::builder(&mut buf)
.host(&host)
.unwrap()
.port(rng.range(1024, 65535) as i32)
.unwrap()
.encrypted(rng.bool() as u64)
.unwrap()
.bandwidth_bps(rng.range(1200, 1_000_000_000))
.unwrap()
.session_key(&session_key)
.unwrap()
.finish()
.unwrap()
.to_vec()
}
fn gen_hacker(rng: &mut Rng) -> Vec<u8> {
let tools: Vec<Vec<u8>> = (0..rng.range(1, 4)).map(|_| gen_tool(rng)).collect();
let connection = gen_connection(rng);
// Float (skill_level) is written as raw bytes by the generated builder
let skill_bits = (rng.range(10, 100) as f32 / 10.0).to_bits().to_le_bytes();
let handle = *rng.pick(HANDLES);
let real_name = *rng.pick(REAL_NAMES);
let n_exploits = rng.range(2, 5) as usize;
let exploits: Vec<&str> = (0..n_exploits).map(|_| *rng.pick(EXPLOITS)).collect();
let crew_id = rng.next();
let mut buf = vec![0u8; 8 * 1024];
let mut b = HackerBuilder::builder(&mut buf)
.handle(handle)
.unwrap()
.real_name(real_name)
.unwrap()
.age(rng.range(16, 35) as i32)
.unwrap()
.skill_level(&skill_bits)
.unwrap()
.is_elite(rng.bool() as u64)
.unwrap()
.crew_id(crew_id)
.unwrap();
for e in &exploits {
b = b.exploits(e).unwrap();
}
for t in &tools {
b = b.tools(t).unwrap();
}
b.active_connection(&connection)
.unwrap()
.finish()
.unwrap()
.to_vec()
}
fn gen_worm(rng: &mut Rng) -> Vec<u8> {
let payload = rng.bytes(64);
let name = format!("da_vinci.{}", rng.range(1, 99));
let n_targets = rng.range(1, 4) as usize;
let targets: Vec<&str> = (0..n_targets).map(|_| *rng.pick(WORM_TARGETS)).collect();
let mut buf = vec![0u8; 1024];
let mut b = WormBuilder::builder(&mut buf)
.name(&name)
.unwrap()
.variant(rng.range(1, 5) as i32)
.unwrap()
.size_bytes(rng.range(1024, 10_000_000))
.unwrap()
.payload(&payload)
.unwrap()
.polymorphic(rng.bool() as u64)
.unwrap();
for t in &targets {
b = b.targets(t).unwrap();
}
b.finish().unwrap().to_vec()
}
fn gen_operation(rng: &mut Rng, crew_count: usize, stolen_bytes: usize) -> Vec<u8> {
let crew: Vec<Vec<u8>> = (0..crew_count).map(|_| gen_hacker(rng)).collect();
let worm = gen_worm(rng);
let stolen = if stolen_bytes > 0 {
rng.bytes(stolen_bytes)
} else {
vec![]
};
let codename = *rng.pick(OP_NAMES);
let corp = *rng.pick(CORPS);
let ts = 810_000_000u64 + rng.range(0, 10_000_000);
let n_logs = rng.range(2, 6) as usize;
let logs: Vec<&str> = (0..n_logs).map(|_| *rng.pick(LOG_LINES)).collect();
// Operation buffer: crew + worm + stolen_data + small overhead
let crew_size: usize = crew.iter().map(|h| h.len() + 5).sum();
let buf_size = crew_size + worm.len() + stolen_bytes + 1024;
let mut buf = vec![0u8; buf_size];
let mut b = OperationBuilder::builder(&mut buf)
.codename(codename)
.unwrap()
.target_corp(corp)
.unwrap()
.timestamp(ts)
.unwrap()
.successful(rng.bool() as u64)
.unwrap();
if stolen_bytes > 0 {
b = b.stolen_data(&stolen).unwrap();
}
for h in &crew {
b = b.crew(h).unwrap();
}
b = b.worm(&worm).unwrap();
for l in &logs {
b = b.log_entries(l).unwrap();
}
b.severity(rng.range(1, 10) as i32)
.unwrap()
.finish()
.unwrap()
.to_vec()
}
fn gen_campaign(
rng: &mut Rng,
op_count: usize,
crew_per_op: usize,
stolen_bytes: usize,
) -> Vec<u8> {
let ops: Vec<Vec<u8>> = (0..op_count)
.map(|i| {
if i > 0 && i % 100 == 0 {
eprintln!(
" {i}/{op_count} operations ({:.1} MB in ops so far)…",
i * (stolen_bytes + 10_000) / 1_000_000
);
}
gen_operation(rng, crew_per_op, stolen_bytes)
})
.collect();
// Pre-compute campaign buffer size: for each op the wire encoding is
// tag(1B) + varint_length(1-5B) + op_bytes
let ops_wire_size: usize = ops
.iter()
.map(|o| 1 + varint_len(o.len() as u64) + o.len())
.sum();
let mut buf = vec![0u8; ops_wire_size + 64];
let mut b = CampaignBuilder::builder(&mut buf)
.name("HACK THE PLANET CAMPAIGN")
.unwrap();
for op in &ops {
b = b.operations(op).unwrap();
}
b.total_bytes_stolen((stolen_bytes * op_count) as u64)
.unwrap()
.finish()
.unwrap()
.to_vec()
}
/// Number of bytes needed to encode `v` as a varint.
fn varint_len(mut v: u64) -> usize {
let mut n = 1usize;
while v >= 128 {
v >>= 7;
n += 1;
}
n
}
// =============================================================================
// Preset table
// =============================================================================
struct Preset {
ops: usize,
crew: usize,
stolen_kb: usize,
}
fn resolve(name: &str) -> Option<Preset> {
match name {
// ops crew stolen_kb approx size
"tiny" => Some(Preset {
ops: 1,
crew: 1,
stolen_kb: 0,
}), // ~400 B
"small" => Some(Preset {
ops: 20,
crew: 3,
stolen_kb: 0,
}), // ~25 KB
"medium" => Some(Preset {
ops: 2_000,
crew: 3,
stolen_kb: 0,
}), // ~2 MB
"large" => Some(Preset {
ops: 200,
crew: 3,
stolen_kb: 500,
}), // ~100 MB
"huge" => Some(Preset {
ops: 1_000,
crew: 3,
stolen_kb: 500,
}), // ~500 MB
_ => None,
}
}
// =============================================================================
// main
// =============================================================================
fn main() {
let mut args = Args::parse();
if let Some(ref name) = args.preset.clone() {
match resolve(name) {
Some(p) => {
args.ops = p.ops;
args.crew = p.crew;
args.stolen_kb = p.stolen_kb;
}
None => {
eprintln!("Unknown preset '{name}'. Valid: tiny, small, medium, large, huge");
std::process::exit(1);
}
}
}
let stolen_bytes = args.stolen_kb * 1024;
let approx_mb = args.ops * (700 + args.crew * 300 + stolen_bytes) / 1_000_000;
eprintln!(
"Generating: {} ops × {} crew, {} KB stolen_data each → ~{} MB",
args.ops, args.crew, args.stolen_kb, approx_mb
);
let mut rng = Rng::new(args.seed);
let data = gen_campaign(&mut rng, args.ops, args.crew, stolen_bytes);
eprintln!(
"Generated {} bytes ({:.2} MB)",
data.len(),
data.len() as f64 / 1_000_000.0
);
// Default output: data/bench/<preset>.pb, or stdout if no output and no preset
let out_path = args.output.clone().or_else(|| {
args.preset
.as_ref()
.map(|p| format!("benches/data/bench/{}.pb", p))
});
match out_path {
Some(ref path) => {
if let Some(parent) = Path::new(path).parent() {
if !parent.as_os_str().is_empty() {
std::fs::create_dir_all(parent).unwrap_or_else(|e| eprintln!("Warning: {e}"));
}
}
std::fs::write(path, &data).unwrap_or_else(|e| {
eprintln!("Error writing {path}: {e}");
std::process::exit(1);
});
eprintln!("Saved to {path}");
}
None => {
io::stdout().write_all(&data).unwrap_or_else(|e| {
eprintln!("Error: {e}");
std::process::exit(1);
});
}
}
}
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@@ -0,0 +1 @@
pub mod protobuf;
@@ -0,0 +1 @@
pub mod plugin;
@@ -0,0 +1,600 @@
// @generated by protoc-gen-roto — do not edit
#![allow(unused_imports)]
use crate::{ProtoAccessor, ProtoBuilder, Result, RotoError, read_varint, RepeatedFieldIterator};
use std::str;
use crate::google::protobuf::descriptor;
pub struct Version<'a> {
accessor: crate::ProtoAccessor<'a>,
major_offset: Option<usize>,
minor_offset: Option<usize>,
patch_offset: Option<usize>,
suffix_offset: Option<usize>,
}
impl<'a> Version<'a> {
pub fn new(data: &'a [u8]) -> crate::Result<Self> {
let accessor = crate::ProtoAccessor::new(data)?;
let mut major_offset = None;
let mut minor_offset = None;
let mut patch_offset = None;
let mut suffix_offset = None;
for item in accessor.fields() {
let (offset, tag, _) = item?;
if tag.field_number == 1 { major_offset = Some(offset); }
if tag.field_number == 2 { minor_offset = Some(offset); }
if tag.field_number == 3 { patch_offset = Some(offset); }
if tag.field_number == 4 { suffix_offset = Some(offset); }
}
Ok(Self {
accessor,
major_offset,
minor_offset,
patch_offset,
suffix_offset,
})
}
pub fn major(&self) -> crate::Result<i32> {
let offset = self.major_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
crate::read_varint(bytes).map(|(v, _)| v as i32).map_err(|_| crate::RotoError::WireFormatViolation)
}
pub fn minor(&self) -> crate::Result<i32> {
let offset = self.minor_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
crate::read_varint(bytes).map(|(v, _)| v as i32).map_err(|_| crate::RotoError::WireFormatViolation)
}
pub fn patch(&self) -> crate::Result<i32> {
let offset = self.patch_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
crate::read_varint(bytes).map(|(v, _)| v as i32).map_err(|_| crate::RotoError::WireFormatViolation)
}
pub fn suffix(&self) -> crate::Result<&'a str> {
let offset = self.suffix_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
str::from_utf8(bytes).map_err(|_| crate::RotoError::WireFormatViolation)
}
pub fn raw_fields(&self) -> crate::RawFieldIterator<'a> {
self.accessor.raw_fields()
}
}
pub struct VersionBuilder<'b> {
builder: crate::ProtoBuilder<'b>,
major_written: bool,
minor_written: bool,
patch_written: bool,
suffix_written: bool,
}
impl<'b> VersionBuilder<'b> {
pub fn builder(buf: &mut [u8]) -> VersionBuilder<'_> {
VersionBuilder {
builder: crate::ProtoBuilder::new(buf),
major_written: false,
minor_written: false,
patch_written: false,
suffix_written: false,
}
}
pub fn major(mut self, value: i32) -> crate::Result<Self> {
self.builder.write_int32(1, value)?;
self.major_written = true;
Ok(self)
}
pub fn minor(mut self, value: i32) -> crate::Result<Self> {
self.builder.write_int32(2, value)?;
self.minor_written = true;
Ok(self)
}
pub fn patch(mut self, value: i32) -> crate::Result<Self> {
self.builder.write_int32(3, value)?;
self.patch_written = true;
Ok(self)
}
pub fn suffix(mut self, value: &str) -> crate::Result<Self> {
self.builder.write_string(4, value)?;
self.suffix_written = true;
Ok(self)
}
pub fn with(mut self, msg: &Version<'_>) -> crate::Result<Self> {
for item in msg.raw_fields() {
let (field_number, raw_bytes) = item?;
let is_written = match field_number {
1 => self.major_written,
2 => self.minor_written,
3 => self.patch_written,
4 => self.suffix_written,
_ => false,
};
if !is_written {
self.builder.write_raw(raw_bytes)?;
}
}
Ok(self)
}
pub fn finish(self) -> crate::Result<&'b mut [u8]> {
self.builder.finish()
}
}
pub struct CodeGeneratorRequest<'a> {
accessor: crate::ProtoAccessor<'a>,
file_to_generate_start: Option<usize>,
file_to_generate_end: Option<usize>,
parameter_offset: Option<usize>,
proto_file_start: Option<usize>,
proto_file_end: Option<usize>,
source_file_descriptors_start: Option<usize>,
source_file_descriptors_end: Option<usize>,
compiler_version_offset: Option<usize>,
}
impl<'a> CodeGeneratorRequest<'a> {
pub fn new(data: &'a [u8]) -> crate::Result<Self> {
let accessor = crate::ProtoAccessor::new(data)?;
let mut file_to_generate_start = None;
let mut file_to_generate_end = None;
let mut parameter_offset = None;
let mut proto_file_start = None;
let mut proto_file_end = None;
let mut source_file_descriptors_start = None;
let mut source_file_descriptors_end = None;
let mut compiler_version_offset = None;
for item in accessor.fields() {
let (offset, tag, _) = item?;
if tag.field_number == 1 {
if file_to_generate_start.is_none() { file_to_generate_start = Some(offset); }
file_to_generate_end = Some(offset);
}
if tag.field_number == 2 { parameter_offset = Some(offset); }
if tag.field_number == 15 {
if proto_file_start.is_none() { proto_file_start = Some(offset); }
proto_file_end = Some(offset);
}
if tag.field_number == 17 {
if source_file_descriptors_start.is_none() { source_file_descriptors_start = Some(offset); }
source_file_descriptors_end = Some(offset);
}
if tag.field_number == 3 { compiler_version_offset = Some(offset); }
}
Ok(Self {
accessor,
file_to_generate_start, file_to_generate_end,
parameter_offset,
proto_file_start, proto_file_end,
source_file_descriptors_start, source_file_descriptors_end,
compiler_version_offset,
})
}
pub fn file_to_generate(&self) -> crate::RepeatedFieldIterator<'a> {
match (self.file_to_generate_start, self.file_to_generate_end) {
(Some(start), Some(end)) => self.accessor.iter_repeated_range(1, start, end),
_ => self.accessor.iter_repeated(1),
}
}
pub fn parameter(&self) -> crate::Result<&'a str> {
let offset = self.parameter_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
str::from_utf8(bytes).map_err(|_| crate::RotoError::WireFormatViolation)
}
pub fn proto_file(&self) -> crate::RepeatedFieldIterator<'a> {
match (self.proto_file_start, self.proto_file_end) {
(Some(start), Some(end)) => self.accessor.iter_repeated_range(15, start, end),
_ => self.accessor.iter_repeated(15),
}
}
pub fn source_file_descriptors(&self) -> crate::RepeatedFieldIterator<'a> {
match (self.source_file_descriptors_start, self.source_file_descriptors_end) {
(Some(start), Some(end)) => self.accessor.iter_repeated_range(17, start, end),
_ => self.accessor.iter_repeated(17),
}
}
pub fn compiler_version(&self) -> crate::Result<&'a [u8]> {
let offset = self.compiler_version_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
Ok(bytes)
}
pub fn raw_fields(&self) -> crate::RawFieldIterator<'a> {
self.accessor.raw_fields()
}
}
pub struct CodeGeneratorRequestBuilder<'b> {
builder: crate::ProtoBuilder<'b>,
file_to_generate_written: bool,
parameter_written: bool,
proto_file_written: bool,
source_file_descriptors_written: bool,
compiler_version_written: bool,
}
impl<'b> CodeGeneratorRequestBuilder<'b> {
pub fn builder(buf: &mut [u8]) -> CodeGeneratorRequestBuilder<'_> {
CodeGeneratorRequestBuilder {
builder: crate::ProtoBuilder::new(buf),
file_to_generate_written: false,
parameter_written: false,
proto_file_written: false,
source_file_descriptors_written: false,
compiler_version_written: false,
}
}
pub fn file_to_generate(mut self, value: &str) -> crate::Result<Self> {
self.builder.write_string(1, value)?;
self.file_to_generate_written = true;
Ok(self)
}
pub fn parameter(mut self, value: &str) -> crate::Result<Self> {
self.builder.write_string(2, value)?;
self.parameter_written = true;
Ok(self)
}
pub fn proto_file(mut self, value: &[u8]) -> crate::Result<Self> {
self.builder.write_bytes(15, value)?;
self.proto_file_written = true;
Ok(self)
}
pub fn source_file_descriptors(mut self, value: &[u8]) -> crate::Result<Self> {
self.builder.write_bytes(17, value)?;
self.source_file_descriptors_written = true;
Ok(self)
}
pub fn compiler_version(mut self, value: &[u8]) -> crate::Result<Self> {
self.builder.write_bytes(3, value)?;
self.compiler_version_written = true;
Ok(self)
}
pub fn with(mut self, msg: &CodeGeneratorRequest<'_>) -> crate::Result<Self> {
for item in msg.raw_fields() {
let (field_number, raw_bytes) = item?;
let is_written = match field_number {
1 => self.file_to_generate_written,
2 => self.parameter_written,
15 => self.proto_file_written,
17 => self.source_file_descriptors_written,
3 => self.compiler_version_written,
_ => false,
};
if !is_written {
self.builder.write_raw(raw_bytes)?;
}
}
Ok(self)
}
pub fn finish(self) -> crate::Result<&'b mut [u8]> {
self.builder.finish()
}
}
pub struct CodeGeneratorResponse<'a> {
accessor: crate::ProtoAccessor<'a>,
error_offset: Option<usize>,
supported_features_offset: Option<usize>,
minimum_edition_offset: Option<usize>,
maximum_edition_offset: Option<usize>,
file_start: Option<usize>,
file_end: Option<usize>,
}
impl<'a> CodeGeneratorResponse<'a> {
pub fn new(data: &'a [u8]) -> crate::Result<Self> {
let accessor = crate::ProtoAccessor::new(data)?;
let mut error_offset = None;
let mut supported_features_offset = None;
let mut minimum_edition_offset = None;
let mut maximum_edition_offset = None;
let mut file_start = None;
let mut file_end = None;
for item in accessor.fields() {
let (offset, tag, _) = item?;
if tag.field_number == 1 { error_offset = Some(offset); }
if tag.field_number == 2 { supported_features_offset = Some(offset); }
if tag.field_number == 3 { minimum_edition_offset = Some(offset); }
if tag.field_number == 4 { maximum_edition_offset = Some(offset); }
if tag.field_number == 15 {
if file_start.is_none() { file_start = Some(offset); }
file_end = Some(offset);
}
}
Ok(Self {
accessor,
error_offset,
supported_features_offset,
minimum_edition_offset,
maximum_edition_offset,
file_start, file_end,
})
}
pub fn error(&self) -> crate::Result<&'a str> {
let offset = self.error_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
str::from_utf8(bytes).map_err(|_| crate::RotoError::WireFormatViolation)
}
pub fn supported_features(&self) -> crate::Result<u32> {
let offset = self.supported_features_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
crate::read_varint(bytes).map(|(v, _)| v as u32).map_err(|_| crate::RotoError::WireFormatViolation)
}
pub fn minimum_edition(&self) -> crate::Result<i32> {
let offset = self.minimum_edition_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
crate::read_varint(bytes).map(|(v, _)| v as i32).map_err(|_| crate::RotoError::WireFormatViolation)
}
pub fn maximum_edition(&self) -> crate::Result<i32> {
let offset = self.maximum_edition_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
crate::read_varint(bytes).map(|(v, _)| v as i32).map_err(|_| crate::RotoError::WireFormatViolation)
}
pub fn file(&self) -> crate::RepeatedFieldIterator<'a> {
match (self.file_start, self.file_end) {
(Some(start), Some(end)) => self.accessor.iter_repeated_range(15, start, end),
_ => self.accessor.iter_repeated(15),
}
}
pub fn raw_fields(&self) -> crate::RawFieldIterator<'a> {
self.accessor.raw_fields()
}
}
pub struct CodeGeneratorResponseBuilder<'b> {
builder: crate::ProtoBuilder<'b>,
error_written: bool,
supported_features_written: bool,
minimum_edition_written: bool,
maximum_edition_written: bool,
file_written: bool,
}
impl<'b> CodeGeneratorResponseBuilder<'b> {
pub fn builder(buf: &mut [u8]) -> CodeGeneratorResponseBuilder<'_> {
CodeGeneratorResponseBuilder {
builder: crate::ProtoBuilder::new(buf),
error_written: false,
supported_features_written: false,
minimum_edition_written: false,
maximum_edition_written: false,
file_written: false,
}
}
pub fn error(mut self, value: &str) -> crate::Result<Self> {
self.builder.write_string(1, value)?;
self.error_written = true;
Ok(self)
}
pub fn supported_features(mut self, value: u64) -> crate::Result<Self> {
self.builder.write_varint(2, value)?;
self.supported_features_written = true;
Ok(self)
}
pub fn minimum_edition(mut self, value: i32) -> crate::Result<Self> {
self.builder.write_int32(3, value)?;
self.minimum_edition_written = true;
Ok(self)
}
pub fn maximum_edition(mut self, value: i32) -> crate::Result<Self> {
self.builder.write_int32(4, value)?;
self.maximum_edition_written = true;
Ok(self)
}
pub fn file(mut self, value: &[u8]) -> crate::Result<Self> {
self.builder.write_bytes(15, value)?;
self.file_written = true;
Ok(self)
}
pub fn with(mut self, msg: &CodeGeneratorResponse<'_>) -> crate::Result<Self> {
for item in msg.raw_fields() {
let (field_number, raw_bytes) = item?;
let is_written = match field_number {
1 => self.error_written,
2 => self.supported_features_written,
3 => self.minimum_edition_written,
4 => self.maximum_edition_written,
15 => self.file_written,
_ => false,
};
if !is_written {
self.builder.write_raw(raw_bytes)?;
}
}
Ok(self)
}
pub fn finish(self) -> crate::Result<&'b mut [u8]> {
self.builder.finish()
}
}
pub mod code_generator_response {
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
#[repr(i32)]
pub enum Feature {
FEATURENONE = 0,
FEATUREPROTO3OPTIONAL = 1,
FEATURESUPPORTSEDITIONS = 2,
}
impl Feature {
pub fn from_i32(value: i32) -> Self {
match value {
0 => Feature::FEATURENONE,
1 => Feature::FEATUREPROTO3OPTIONAL,
2 => Feature::FEATURESUPPORTSEDITIONS,
_ => Feature::FEATURENONE,
}
}
}
pub struct File<'a> {
accessor: crate::ProtoAccessor<'a>,
name_offset: Option<usize>,
insertion_point_offset: Option<usize>,
content_offset: Option<usize>,
generated_code_info_offset: Option<usize>,
}
impl<'a> File<'a> {
pub fn new(data: &'a [u8]) -> crate::Result<Self> {
let accessor = crate::ProtoAccessor::new(data)?;
let mut name_offset = None;
let mut insertion_point_offset = None;
let mut content_offset = None;
let mut generated_code_info_offset = None;
for item in accessor.fields() {
let (offset, tag, _) = item?;
if tag.field_number == 1 { name_offset = Some(offset); }
if tag.field_number == 2 { insertion_point_offset = Some(offset); }
if tag.field_number == 15 { content_offset = Some(offset); }
if tag.field_number == 16 { generated_code_info_offset = Some(offset); }
}
Ok(Self {
accessor,
name_offset,
insertion_point_offset,
content_offset,
generated_code_info_offset,
})
}
pub fn name(&self) -> crate::Result<&'a str> {
let offset = self.name_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
str::from_utf8(bytes).map_err(|_| crate::RotoError::WireFormatViolation)
}
pub fn insertion_point(&self) -> crate::Result<&'a str> {
let offset = self.insertion_point_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
str::from_utf8(bytes).map_err(|_| crate::RotoError::WireFormatViolation)
}
pub fn content(&self) -> crate::Result<&'a str> {
let offset = self.content_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
str::from_utf8(bytes).map_err(|_| crate::RotoError::WireFormatViolation)
}
pub fn generated_code_info(&self) -> crate::Result<&'a [u8]> {
let offset = self.generated_code_info_offset.ok_or(crate::RotoError::FieldNotFound)?;
let (bytes, _) = self.accessor.get_value_at(offset)?;
Ok(bytes)
}
pub fn raw_fields(&self) -> crate::RawFieldIterator<'a> {
self.accessor.raw_fields()
}
}
pub struct FileBuilder<'b> {
builder: crate::ProtoBuilder<'b>,
name_written: bool,
insertion_point_written: bool,
content_written: bool,
generated_code_info_written: bool,
}
impl<'b> FileBuilder<'b> {
pub fn builder(buf: &mut [u8]) -> FileBuilder<'_> {
FileBuilder {
builder: crate::ProtoBuilder::new(buf),
name_written: false,
insertion_point_written: false,
content_written: false,
generated_code_info_written: false,
}
}
pub fn name(mut self, value: &str) -> crate::Result<Self> {
self.builder.write_string(1, value)?;
self.name_written = true;
Ok(self)
}
pub fn insertion_point(mut self, value: &str) -> crate::Result<Self> {
self.builder.write_string(2, value)?;
self.insertion_point_written = true;
Ok(self)
}
pub fn content(mut self, value: &str) -> crate::Result<Self> {
self.builder.write_string(15, value)?;
self.content_written = true;
Ok(self)
}
pub fn generated_code_info(mut self, value: &[u8]) -> crate::Result<Self> {
self.builder.write_bytes(16, value)?;
self.generated_code_info_written = true;
Ok(self)
}
pub fn with(mut self, msg: &File<'_>) -> crate::Result<Self> {
for item in msg.raw_fields() {
let (field_number, raw_bytes) = item?;
let is_written = match field_number {
1 => self.name_written,
2 => self.insertion_point_written,
15 => self.content_written,
16 => self.generated_code_info_written,
_ => false,
};
if !is_written {
self.builder.write_raw(raw_bytes)?;
}
}
Ok(self)
}
pub fn finish(self) -> crate::Result<&'b mut [u8]> {
self.builder.finish()
}
}
}
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pub mod compiler;
pub mod descriptor;
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pub mod hackers;