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denoland-deno/runtime/ops/http.rs
Luca Casonato 3134abefa4
BREAKING(ext/net): improved error code accuracy (#25383)
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
2024-09-27 14:07:20 +00:00

72 lines
2.8 KiB
Rust

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use std::rc::Rc;
use deno_core::error::bad_resource_id;
use deno_core::error::custom_error;
use deno_core::error::AnyError;
use deno_core::op2;
use deno_core::OpState;
use deno_core::ResourceId;
use deno_http::http_create_conn_resource;
use deno_net::io::TcpStreamResource;
use deno_net::ops_tls::TlsStreamResource;
pub const UNSTABLE_FEATURE_NAME: &str = "http";
deno_core::extension!(deno_http_runtime, ops = [op_http_start],);
#[op2(fast)]
#[smi]
fn op_http_start(
state: &mut OpState,
#[smi] tcp_stream_rid: ResourceId,
) -> Result<ResourceId, AnyError> {
if let Ok(resource_rc) = state
.resource_table
.take::<TcpStreamResource>(tcp_stream_rid)
{
// This TCP connection might be used somewhere else. If it's the case, we cannot proceed with the
// process of starting a HTTP server on top of this TCP connection, so we just return a Busy error.
// See also: https://github.com/denoland/deno/pull/16242
let resource = Rc::try_unwrap(resource_rc)
.map_err(|_| custom_error("Busy", "TCP stream is currently in use"))?;
let (read_half, write_half) = resource.into_inner();
let tcp_stream = read_half.reunite(write_half)?;
let addr = tcp_stream.local_addr()?;
return http_create_conn_resource(state, tcp_stream, addr, "http");
}
if let Ok(resource_rc) = state
.resource_table
.take::<TlsStreamResource>(tcp_stream_rid)
{
// This TLS connection might be used somewhere else. If it's the case, we cannot proceed with the
// process of starting a HTTP server on top of this TLS connection, so we just return a Busy error.
// See also: https://github.com/denoland/deno/pull/16242
let resource = Rc::try_unwrap(resource_rc)
.map_err(|_| custom_error("Busy", "TLS stream is currently in use"))?;
let (read_half, write_half) = resource.into_inner();
let tls_stream = read_half.unsplit(write_half);
let addr = tls_stream.local_addr()?;
return http_create_conn_resource(state, tls_stream, addr, "https");
}
#[cfg(unix)]
if let Ok(resource_rc) = state
.resource_table
.take::<deno_net::io::UnixStreamResource>(tcp_stream_rid)
{
// This UNIX socket might be used somewhere else. If it's the case, we cannot proceed with the
// process of starting a HTTP server on top of this UNIX socket, so we just return a Busy error.
// See also: https://github.com/denoland/deno/pull/16242
let resource = Rc::try_unwrap(resource_rc)
.map_err(|_| custom_error("Busy", "Unix socket is currently in use"))?;
let (read_half, write_half) = resource.into_inner();
let unix_stream = read_half.reunite(write_half)?;
let addr = unix_stream.local_addr()?;
return http_create_conn_resource(state, unix_stream, addr, "http+unix");
}
Err(bad_resource_id())
}