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node/benchmark/net/tcp-raw-pipe.js at node_process_errors · jasnell/node · GitHub
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// In this benchmark, we connect a client to the server, and write
// as many bytes as we can in the specified time (default = 10s)
'use strict'
;
const
common
=
require
(
'../common.js'
)
;
const
util
=
require
(
'util'
)
;
// If there are --dur=N and --len=N args, then
// run the function with those settings.
// if not, then queue up a bunch of child processes.
const
bench
=
common
.
createBenchmark
(
main
,
{
len
:
[
102400
,
1024
*
1024
*
16
]
,
type
:
[
'utf'
,
'asc'
,
'buf'
]
,
dur
:
[
5
]
}
,
{
test
:
{
len
:
1024
}
,
flags
:
[
'--expose-internals'
,
'--no-warnings'
]
}
)
;
function
main
(
{
dur
,
len
,
type
}
)
{
const
{
TCP
,
TCPConnectWrap
,
constants
:
TCPConstants
}
=
common
.
binding
(
'tcp_wrap'
)
;
const
{
WriteWrap
}
=
common
.
binding
(
'stream_wrap'
)
;
const
PORT
=
common
.
PORT
;
function
fail
(
err
,
syscall
)
{
throw
util
.
_errnoException
(
err
,
syscall
)
;
}
// Server
const
serverHandle
=
new
TCP
(
TCPConstants
.
SERVER
)
;
let
err
=
serverHandle
.
bind
(
'127.0.0.1'
,
PORT
)
;
if
(
err
)
fail
(
err
,
'bind'
)
;
err
=
serverHandle
.
listen
(
511
)
;
if
(
err
)
fail
(
err
,
'listen'
)
;
serverHandle
.
onconnection
=
function
(
err
,
clientHandle
)
{
if
(
err
)
fail
(
err
,
'connect'
)
;
clientHandle
.
onread
=
function
(
buffer
)
{
// We're not expecting to ever get an EOF from the client.
// Just lots of data forever.
if
(
!
buffer
)
fail
(
'read'
)
;
const
writeReq
=
new
WriteWrap
(
)
;
writeReq
.
async
=
false
;
err
=
clientHandle
.
writeBuffer
(
writeReq
,
Buffer
.
from
(
buffer
)
)
;
if
(
err
)
fail
(
err
,
'write'
)
;
writeReq
.
oncomplete
=
function
(
status
,
handle
,
err
)
{
if
(
err
)
fail
(
err
,
'write'
)
;
}
;
}
;
clientHandle
.
readStart
(
)
;
}
;
// Client
let
chunk
;
switch
(
type
)
{
case
'buf'
:
chunk
=
Buffer
.
alloc
(
len
,
'x'
)
;
break
;
case
'utf'
:
chunk
=
'ü'
.
repeat
(
len
/
2
)
;
break
;
case
'asc'
:
chunk
=
'x'
.
repeat
(
len
)
;
break
;
default
:
throw
new
Error
(
`invalid type:
${
type
}
`
)
;
}
const
clientHandle
=
new
TCP
(
TCPConstants
.
SOCKET
)
;
const
connectReq
=
new
TCPConnectWrap
(
)
;
let
bytes
=
0
;
err
=
clientHandle
.
connect
(
connectReq
,
'127.0.0.1'
,
PORT
)
;
if
(
err
)
fail
(
err
,
'connect'
)
;
clientHandle
.
onread
=
function
(
buffer
)
{
if
(
!
buffer
)
fail
(
'read'
)
;
bytes
+=
buffer
.
byteLength
;
}
;
connectReq
.
oncomplete
=
function
(
err
)
{
if
(
err
)
fail
(
err
,
'connect'
)
;
bench
.
start
(
)
;
clientHandle
.
readStart
(
)
;
setTimeout
(
(
)
=>
{
// Multiply by 2 since we're sending it first one way
// then back again.
bench
.
end
(
2
*
(
bytes
*
8
)
/
(
1024
*
1024
*
1024
)
)
;
process
.
exit
(
0
)
;
}
,
dur
*
1000
)
;
while
(
clientHandle
.
writeQueueSize
===
0
)
write
(
)
;
}
;
function
write
(
)
{
const
writeReq
=
new
WriteWrap
(
)
;
writeReq
.
oncomplete
=
afterWrite
;
let
err
;
switch
(
type
)
{
case
'buf'
:
err
=
clientHandle
.
writeBuffer
(
writeReq
,
chunk
)
;
break
;
case
'utf'
:
err
=
clientHandle
.
writeUtf8String
(
writeReq
,
chunk
)
;
break
;
case
'asc'
:
err
=
clientHandle
.
writeAsciiString
(
writeReq
,
chunk
)
;
break
;
}
if
(
err
)
fail
(
err
,
'write'
)
;
}
function
afterWrite
(
err
,
handle
)
{
if
(
err
)
fail
(
err
,
'write'
)
;
while
(
clientHandle
.
writeQueueSize
===
0
)
write
(
)
;
}
}
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