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Merge pull request #264 from slingamn/deps.1

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reduce copying of output lines
This commit is contained in:
Daniel Oaks 2018-05-04 23:13:56 +10:00 committed by GitHub
commit 8227822d3e
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6 changed files with 91 additions and 39 deletions
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62
Gopkg.lock generated
View File

@ -1,4 +1,5 @@
memo = "d665cbc0144a6e4c06ed8fcfbee8594a7203e47e654eeca63e11d651ae62a3a7"
# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
[[projects]]
name = "code.cloudfoundry.org/bytefmt"
@ -20,8 +21,12 @@ memo = "d665cbc0144a6e4c06ed8fcfbee8594a7203e47e654eeca63e11d651ae62a3a7"
[[projects]]
branch = "master"
name = "github.com/goshuirc/irc-go"
packages = ["ircfmt","ircmatch","ircmsg"]
revision = "1cb16094f055aa5f5b49a1609aeada54d963433c"
packages = [
"ircfmt",
"ircmatch",
"ircmsg"
]
revision = "8d136c4f92871c1c132bf702022363add479291b"
[[projects]]
branch = "master"
@ -50,7 +55,11 @@ memo = "d665cbc0144a6e4c06ed8fcfbee8594a7203e47e654eeca63e11d651ae62a3a7"
[[projects]]
branch = "master"
name = "github.com/stackimpact/stackimpact-go"
packages = [".","internal","internal/pprof/profile"]
packages = [
".",
"internal",
"internal/pprof/profile"
]
revision = "8b5b02c181e477dafcf505342d8a79b5c8241da7"
[[projects]]
@ -86,7 +95,10 @@ memo = "d665cbc0144a6e4c06ed8fcfbee8594a7203e47e654eeca63e11d651ae62a3a7"
[[projects]]
branch = "master"
name = "github.com/tidwall/rtree"
packages = [".","base"]
packages = [
".",
"base"
]
revision = "6cd427091e0e662cb4f8e2c9eb1a41e1c46ff0d3"
[[projects]]
@ -98,19 +110,46 @@ memo = "d665cbc0144a6e4c06ed8fcfbee8594a7203e47e654eeca63e11d651ae62a3a7"
[[projects]]
branch = "master"
name = "golang.org/x/crypto"
packages = ["bcrypt","blowfish","ssh/terminal"]
packages = [
"bcrypt",
"blowfish",
"ssh/terminal"
]
revision = "5119cf507ed5294cc409c092980c7497ee5d6fd2"
[[projects]]
branch = "master"
name = "golang.org/x/sys"
packages = ["unix","windows"]
packages = [
"unix",
"windows"
]
revision = "37707fdb30a5b38865cfb95e5aab41707daec7fd"
[[projects]]
branch = "master"
name = "golang.org/x/text"
packages = ["cases","collate","collate/build","internal","internal/colltab","internal/gen","internal/tag","internal/triegen","internal/ucd","language","runes","secure/bidirule","secure/precis","transform","unicode/bidi","unicode/cldr","unicode/norm","unicode/rangetable","width"]
packages = [
"cases",
"collate",
"collate/build",
"internal",
"internal/colltab",
"internal/gen",
"internal/tag",
"internal/triegen",
"internal/ucd",
"language",
"runes",
"secure/bidirule",
"secure/precis",
"transform",
"unicode/bidi",
"unicode/cldr",
"unicode/norm",
"unicode/rangetable",
"width"
]
revision = "4e4a3210bb54bb31f6ab2cdca2edcc0b50c420c1"
[[projects]]
@ -118,3 +157,10 @@ memo = "d665cbc0144a6e4c06ed8fcfbee8594a7203e47e654eeca63e11d651ae62a3a7"
name = "gopkg.in/yaml.v2"
packages = ["."]
revision = "d670f9405373e636a5a2765eea47fac0c9bc91a4"
[solve-meta]
analyzer-name = "dep"
analyzer-version = 1
inputs-digest = "1f6e6db999e9e75b04aee6f0018be1557848f8248a28cf21783188fdeb866718"
solver-name = "gps-cdcl"
solver-version = 1

12
Gopkg.toml
View File

@ -57,24 +57,16 @@
[[dependencies]]
branch = "master"
name = "github.com/DanielOaks/girc-go"
name = "github.com/goshuirc/irc-go"
[[dependencies]]
branch = "master"
name = "github.com/DanielOaks/go-ident"
name = "github.com/oragono/go-ident"
[[dependencies]]
branch = "master"
name = "github.com/docopt/docopt-go"
[[dependencies]]
branch = "master"
name = "github.com/gorilla/mux"
[[dependencies]]
branch = "master"
name = "github.com/gorilla/websocket"
[[dependencies]]
branch = "master"
name = "github.com/mattn/go-colorable"

12
irc/client.go
View File

@ -820,13 +820,13 @@ func (client *Client) SendRawMessage(message ircmsg.IrcMessage) error {
// assemble message
maxlenTags, maxlenRest := client.maxlens()
line, err := message.LineMaxLen(maxlenTags, maxlenRest)
line, err := message.LineMaxLenBytes(maxlenTags, maxlenRest)
if err != nil {
logline := fmt.Sprintf("Error assembling message for sending: %v\n%s", err, debug.Stack())
client.server.logger.Error("internal", logline)
message = ircmsg.MakeMessage(nil, client.server.name, ERR_UNKNOWNERROR, "*", "Error assembling message for sending")
line, _ := message.Line()
line, _ := message.LineBytes()
client.socket.Write(line)
return err
@ -834,10 +834,14 @@ func (client *Client) SendRawMessage(message ircmsg.IrcMessage) error {
// if we used the trailing hack, we need to strip the final space we appended earlier on
if usedTrailingHack {
line = line[:len(line)-3] + "\r\n"
copy(line[len(line)-3:], []byte{'\r', '\n'})
line = line[:len(line)-1]
}
client.server.logger.Debug("useroutput", client.nick, " ->", strings.TrimRight(line, "\r\n"))
if client.server.logger.IsLoggingRawIO() {
logline := string(line[:len(line)-2]) // strip "\r\n"
client.server.logger.Debug("useroutput", client.nick, " ->", logline)
}
client.socket.Write(line)

11
irc/logger/logger.go
View File

@ -12,6 +12,7 @@ import (
"strings"
"sync"
"sync/atomic"
colorable "github.com/mattn/go-colorable"
"github.com/mgutz/ansi"
@ -57,7 +58,7 @@ type Manager struct {
loggers []singleLogger
stdoutWriteLock sync.Mutex // use one lock for both stdout and stderr
fileWriteLock sync.Mutex
loggingRawIO bool
loggingRawIO uint32
}
// LoggingConfig represents the configuration of a single logger.
@ -95,7 +96,7 @@ func (logger *Manager) ApplyConfig(config []LoggingConfig) error {
}
logger.loggers = nil
logger.loggingRawIO = false
atomic.StoreUint32(&logger.loggingRawIO, 0)
// for safety, this deep-copies all mutable data in `config`
// XXX let's keep it that way
@ -124,7 +125,7 @@ func (logger *Manager) ApplyConfig(config []LoggingConfig) error {
fileWriteLock: &logger.fileWriteLock,
}
if typeMap["userinput"] || typeMap["useroutput"] || (typeMap["*"] && !(excludedTypeMap["userinput"] && excludedTypeMap["useroutput"])) {
logger.loggingRawIO = true
atomic.StoreUint32(&logger.loggingRawIO, 1)
}
if sLogger.MethodFile.Enabled {
file, err := os.OpenFile(sLogger.MethodFile.Filename, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0666)
@ -143,9 +144,7 @@ func (logger *Manager) ApplyConfig(config []LoggingConfig) error {
// IsLoggingRawIO returns true if raw user input and output is being logged.
func (logger *Manager) IsLoggingRawIO() bool {
logger.configMutex.RLock()
defer logger.configMutex.RUnlock()
return logger.loggingRawIO
return atomic.LoadUint32(&logger.loggingRawIO) == 1
}
// Log logs the given message with the given details.

31
irc/socket.go
View File

@ -34,7 +34,8 @@ type Socket struct {
// this is a trylock enforcing that only one goroutine can write to `conn` at a time
writerSemaphore Semaphore
buffer []byte
buffers [][]byte
totalLength int
closed bool
sendQExceeded bool
finalData string // what to send when we die
@ -121,15 +122,23 @@ func (socket *Socket) Read() (string, error) {
// 2. MUST NOT reorder messages
// 3. MUST provide mutual exclusion for socket.conn.Write
// 4. SHOULD NOT tie up additional goroutines, beyond the one blocked on socket.conn.Write
func (socket *Socket) Write(data string) (err error) {
func (socket *Socket) Write(data []byte) (err error) {
if len(data) == 0 {
return
}
socket.Lock()
if socket.closed {
err = io.EOF
} else if len(data)+len(socket.buffer) > socket.maxSendQBytes {
socket.sendQExceeded = true
err = errSendQExceeded
} else {
socket.buffer = append(socket.buffer, data...)
prospectiveLen := socket.totalLength + len(data)
if prospectiveLen > socket.maxSendQBytes {
socket.sendQExceeded = true
err = errSendQExceeded
} else {
socket.buffers = append(socket.buffers, data)
socket.totalLength = prospectiveLen
}
}
socket.Unlock()
@ -165,7 +174,7 @@ func (socket *Socket) readyToWrite() bool {
socket.Lock()
defer socket.Unlock()
// on the first time observing socket.closed, we still have to write socket.finalData
return !socket.finalized && (len(socket.buffer) > 0 || socket.closed || socket.sendQExceeded)
return !socket.finalized && (socket.totalLength > 0 || socket.closed || socket.sendQExceeded)
}
// send actually writes messages to socket.Conn; it may block
@ -193,11 +202,13 @@ func (socket *Socket) send() {
func (socket *Socket) performWrite() {
// retrieve the buffered data, clear the buffer
socket.Lock()
buffer := socket.buffer
socket.buffer = nil
buffers := socket.buffers
socket.buffers = nil
socket.totalLength = 0
socket.Unlock()
_, err := socket.conn.Write(buffer)
// on Linux, the runtime will optimize this into a single writev(2) call:
_, err := (*net.Buffers)(&buffers).WriteTo(socket.conn)
socket.Lock()
shouldClose := (err != nil) || socket.closed || socket.sendQExceeded

2
vendor

@ -1 +1 @@
Subproject commit f606564da4732e70afeb93a0fc5d80a9f8a04c56
Subproject commit 9dd7467d3dfc045cf5dee2f6f6951465437e2ac5