1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
use super::dispatch_json::{Deserialize, JsonOp, Value};
use crate::resolve_addr::resolve_addr;
use crate::resources;
use crate::resources::Resource;
use crate::state::ThreadSafeState;
use crate::tokio_util;
use deno::*;
use futures::Future;
use std;
use std::convert::From;
use std::net::Shutdown;
use tokio;
use tokio::net::TcpListener;
use tokio::net::TcpStream;
#[derive(Deserialize)]
struct AcceptArgs {
rid: i32,
}
pub fn op_accept(
_state: &ThreadSafeState,
args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
let args: AcceptArgs = serde_json::from_value(args)?;
let server_rid = args.rid as u32;
let server_resource = resources::lookup(server_rid)?;
let op = tokio_util::accept(server_resource)
.and_then(move |(tcp_stream, _socket_addr)| {
let local_addr = tcp_stream.local_addr()?;
let remote_addr = tcp_stream.peer_addr()?;
let tcp_stream_resource = resources::add_tcp_stream(tcp_stream);
Ok((tcp_stream_resource, local_addr, remote_addr))
})
.map_err(ErrBox::from)
.and_then(move |(tcp_stream_resource, local_addr, remote_addr)| {
futures::future::ok(json!({
"rid": tcp_stream_resource.rid,
"localAddr": local_addr.to_string(),
"remoteAddr": remote_addr.to_string(),
}))
});
Ok(JsonOp::Async(Box::new(op)))
}
#[derive(Deserialize)]
struct DialArgs {
transport: String,
hostname: String,
port: u16,
}
pub fn op_dial(
state: &ThreadSafeState,
args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
let args: DialArgs = serde_json::from_value(args)?;
assert_eq!(args.transport, "tcp"); // TODO Support others.
// TODO(ry) Using format! is suboptimal here. Better would be if
// state.check_net and resolve_addr() took hostname and port directly.
let address = format!("{}:{}", args.hostname, args.port);
state.check_net(&address)?;
let op = resolve_addr(&address).and_then(move |addr| {
TcpStream::connect(&addr)
.map_err(ErrBox::from)
.and_then(move |tcp_stream| {
let local_addr = tcp_stream.local_addr()?;
let remote_addr = tcp_stream.peer_addr()?;
let tcp_stream_resource = resources::add_tcp_stream(tcp_stream);
Ok((tcp_stream_resource, local_addr, remote_addr))
})
.map_err(ErrBox::from)
.and_then(move |(tcp_stream_resource, local_addr, remote_addr)| {
futures::future::ok(json!({
"rid": tcp_stream_resource.rid,
"localAddr": local_addr.to_string(),
"remoteAddr": remote_addr.to_string(),
}))
})
});
Ok(JsonOp::Async(Box::new(op)))
}
#[derive(Deserialize)]
struct ShutdownArgs {
rid: i32,
how: i32,
}
pub fn op_shutdown(
_state: &ThreadSafeState,
args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
let args: ShutdownArgs = serde_json::from_value(args)?;
let rid = args.rid as u32;
let how = args.how;
let mut resource = resources::lookup(rid)?;
let shutdown_mode = match how {
0 => Shutdown::Read,
1 => Shutdown::Write,
_ => unimplemented!(),
};
// Use UFCS for disambiguation
Resource::shutdown(&mut resource, shutdown_mode)?;
Ok(JsonOp::Sync(json!({})))
}
#[derive(Deserialize)]
struct ListenArgs {
transport: String,
hostname: String,
port: u16,
}
pub fn op_listen(
state: &ThreadSafeState,
args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
let args: ListenArgs = serde_json::from_value(args)?;
assert_eq!(args.transport, "tcp");
// TODO(ry) Using format! is suboptimal here. Better would be if
// state.check_net and resolve_addr() took hostname and port directly.
let address = format!("{}:{}", args.hostname, args.port);
state.check_net(&address)?;
let addr = resolve_addr(&address).wait()?;
let listener = TcpListener::bind(&addr)?;
let local_addr = listener.local_addr()?;
let resource = resources::add_tcp_listener(listener);
Ok(JsonOp::Sync(json!({
"rid": resource.rid,
"localAddr": local_addr.to_string()
})))
}
|
