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// Copyright 2010 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Package sqlite provides access to the SQLite library, version 3. package sqlite /* #cgo LDFLAGS: -lsqlite3 #include <sqlite3.h> #include <stdlib.h> // The...
Go
// Copyright 2010 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Package sqlite3 provides access to the SQLite library, version 3. // // The package has no exported API. // It registers a driver for the standard Go databas...
Go
package rand /* #include <stdlib.h> */ import "C" func Random() int { return int(C.rand()) } func Seed(i int) { C.srand(C.uint(i)) }
Go
// +build ignore /* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributio...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. /* An example of wrapping a C library in Go. This is the GNU multiprecision library gmp's integer type mpz_t wrapped to look like the Go package big's integer ...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build ignore // Compute Fibonacci numbers with two goroutines // that pass integers back and forth. No actual // concurrency, just threads and synchroniz...
Go
/* Copyright 2013 Google Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software di...
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package // // Copyright 2012 Julien Schmidt. All rights reserved. // http://www.julienschmidt.com // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can ob...
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package // // Copyright 2013 Julien Schmidt. All rights reserved. // http://www.julienschmidt.com // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can ob...
Go
// Copyright 2012 Julien Schmidt. All rights reserved. // http://www.julienschmidt.com // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can obtain one at http://mozilla.org/MPL/2.0/. // Go MySQL Driver - A MySQ...
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package // // Copyright 2012 Julien Schmidt. All rights reserved. // http://www.julienschmidt.com // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can ob...
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package // // Copyright 2012 Julien Schmidt. All rights reserved. // http://www.julienschmidt.com // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can ob...
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package // // Copyright 2012 Julien Schmidt. All rights reserved. // http://www.julienschmidt.com // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can ob...
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package // // Copyright 2013 Julien Schmidt. All rights reserved. // http://www.julienschmidt.com // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can ob...
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package // // Copyright 2012 Julien Schmidt. All rights reserved. // http://www.julienschmidt.com // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can ob...
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package // // Copyright 2013 Julien Schmidt. All rights reserved. // http://www.julienschmidt.com // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can ob...
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package // // Copyright 2012 Julien Schmidt. All rights reserved. // http://www.julienschmidt.com // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can ob...
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package // // Copyright 2012 Julien Schmidt. All rights reserved. // http://www.julienschmidt.com // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can ob...
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package // // Copyright 2012 Julien Schmidt. All rights reserved. // http://www.julienschmidt.com // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can ob...
Go
package simplejson import ( "encoding/json" "errors" "log" ) // returns the current implementation version func Version() string { return "0.4.2" } type Json struct { data interface{} } // NewJson returns a pointer to a new `Json` object // after unmarshaling `body` bytes func NewJson(body []byte) (*Json, erro...
Go
package main import ( "flag" "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "log" "net" "os" "os/signal" "time" ) ## var ( showVersion = flag.Bool("version", false, "print version string") tcpAddress = flag.String("tcp-address", "0.0.0.0:4160", "<addr>:<port> to lis...
Go
package main import ( "github.com/bitly/nsq/util" "log" "net" "time" ) type NSQLookupd struct { tcpAddr *net.TCPAddr httpAddr *net.TCPAddr tcpListener net.Listener httpListener net.Listener broadcastAddress string waitGroup util.Wait...
Go
package main import ( "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "io" "log" "net" ) type TcpProtocol struct { util.TcpHandler protocols map[string]nsq.Protocol } func (p *TcpProtocol) Handle(clientConn net.Conn) { log.Printf("TCP: new client(%s)", clientConn.RemoteAddr()) // The client should i...
Go
package main import ( "bufio" "encoding/binary" "encoding/json" "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "io" "log" "net" "os" "strings" "time" ) type LookupProtocolV1 struct { nsq.Protocol } func init() { protocols[string(nsq.MagicV1)] = &LookupProtocolV1{} } func (p *LookupProtoc...
Go
package main import ( "net" ) type ClientV1 struct { net.Conn peerInfo *PeerInfo } func NewClientV1(conn net.Conn) *ClientV1 { return &ClientV1{ Conn: conn, } } func (c *ClientV1) String() string { return c.RemoteAddr().String() }
Go
package main import ( "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "io" "log" "net" "net/http" "strings" ) func httpServer(listener net.Listener) { log.Printf("HTTP: listening on %s", listener.Addr().String()) handler := http.NewServeMux() handler.HandleFunc("/info", infoHandler) handler....
Go
package main import ( "fmt" "sync" "time" ) type RegistrationDB struct { sync.RWMutex registrationMap map[Registration]Producers } type Registration struct { Category string Key string SubKey string } type Registrations []*Registration type PeerInfo struct { id string RemoteAddress ...
Go
package main import ( "encoding/json" "errors" "fmt" "github.com/bitly/go-simplejson" "github.com/bitly/nsq/util" "html/template" "log" "net" "net/http" "net/url" "time" ) type GraphTarget interface { Target(key string) (string, string) } type Topic struct { TopicName string } type Topics []*Topic fun...
Go
package main import ( "bytes" "encoding/base64" "encoding/json" "github.com/bitly/nsq/nsq" "log" "net/http" "strings" "time" ) type AdminAction struct { Action string `json:"action"` Topic string `json:"topic"` Channel string `json:"channel"` Timestamp int64 `json:"timestamp"` User string ...
Go
package main import ( "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "github.com/bitly/nsq/util/lookupd" "html/template" "io" "io/ioutil" "log" "net" "net/http" "net/http/httputil" "net/url" "regexp" "strings" "time" ) var templates *template.Template func loadTemplates() { var err erro...
Go
package main import ( "flag" "fmt" "github.com/bitly/nsq/util" "log" "net" "os" "os/signal" "time" ) var ( showVersion = flag.Bool("version", false, "print version string") httpAddress = flag.String("http-address", "0.0.0.0:4171", "<addr>:<port> to listen on for HTTP clients") tem...
Go
// This is an NSQ client that reads the specified topic/channel // and performs HTTP requests (GET/POST) to the specified endpoints package main import ( "bytes" "errors" "flag" "fmt" "github.com/bitly/go-hostpool" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "log" "math" "math/rand" "net/url" "...
Go
package main import ( "bytes" "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "net/http" "time" ) var httpclient *http.Client var userAgent string func init() { httpclient = &http.Client{Transport: nsq.NewDeadlineTransport(time.Duration(*httpTimeoutMs) * time.Millisecond)} userAgent = fmt.Sprint...
Go
// This is a utility application that polls /stats for all the producers // of the specified topic/channel and displays aggregate stats package main import ( "errors" "flag" "fmt" "github.com/bitly/nsq/util" "github.com/bitly/nsq/util/lookupd" "io/ioutil" "log" "os" "os/signal" "strings" "syscall" "time" ...
Go
package main import ( "flag" "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "log" "math/rand" "os" "os/signal" "syscall" "time" ) var ( showVersion = flag.Bool("version", false, "print version string") topic = flag.String("topic", "", "nsq topic") channel = flag.Str...
Go
package main import ( "bufio" "bytes" "flag" "github.com/bitly/nsq/nsq" "log" "net" "runtime" "sync" "time" ) var ( num = flag.Int("num", 1000000, "num messages") tcpAddress = flag.String("nsqd-tcp-address", "127.0.0.1:4150", "<addr>:<port> to connect to nsqd") topic = flag.String("topic", "su...
Go
package main import ( "bufio" "flag" "github.com/bitly/nsq/nsq" "log" "math" "net" "runtime" "sync" "time" ) var ( num = flag.Int("num", 1000000, "num messages") tcpAddress = flag.String("nsqd-tcp-address", "127.0.0.1:4150", "<addr>:<port> to connect to nsqd") topic = flag.String("topic", "sub...
Go
// This is a client that writes out to a file, and optionally rolls the file package main import ( "compress/gzip" "errors" "flag" "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "log" "os" "os/signal" "path" "strings" "syscall" "time" ) var ( datetimeFormat = flag.String("datetime-forma...
Go
// COPIED FROM https://github.com/jehiah/go-strftime package main import ( "time" ) // taken from time/format.go var conversion = map[string]string{ /*stdLongMonth */ "B": "January", /*stdMonth */ "b": "Jan", // stdNumMonth */ "m": "1", /*stdZeroMonth */ "m": "01", /*stdLongWeekDay *...
Go
// This is a client exposes a HTTP streaming interface to NSQ channels package main import ( "bufio" "flag" "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "io" "log" "net" "net/http" "strings" "sync" "sync/atomic" "time" ) var ( showVersion = flag.Bool("version", false, "print versio...
Go
package util import ( "fmt" "runtime" ) const BINARY_VERSION = "0.2.21" func Version(app string) string { return fmt.Sprintf("%s v%s (built w/%s)", app, BINARY_VERSION, runtime.Version()) }
Go
package util import ( "encoding/json" "fmt" "net/http" "strconv" ) func ApiResponse(w http.ResponseWriter, statusCode int, statusTxt string, data interface{}) { response, err := json.Marshal(struct { StatusCode int `json:"status_code"` StatusTxt string `json:"status_txt"` Data interface...
Go
package util import ( "errors" ) func ByteToBase10(b []byte) (n uint64, err error) { base := uint64(10) n = 0 for i := 0; i < len(b); i++ { var v byte d := b[i] switch { case '0' <= d && d <= '9': v = d - '0' default: n = 0 err = errors.New("failed to convert to Base10") break } n *= ba...
Go
package util import ( "sync" ) /**同步锁的接口*/ type WaitGroupWrapper struct { sync.WaitGroup } func (w *WaitGroupWrapper) Wrap(cb func()) { w.Add(1) go func() { cb() w.Done() }() }
Go
package util import ( "errors" "fmt" "net" "time" ) type StatsdClient struct { conn net.Conn addr string prefix string } func NewStatsdClient(addr string, prefix string) *StatsdClient { return &StatsdClient{ addr: addr, prefix: prefix, } } func (c *StatsdClient) String() string { return c.addr }...
Go
package util import ( "fmt" ) func Commafy(i interface{}) string { var n int64 switch i.(type) { case int: n = int64(i.(int)) case int64: n = i.(int64) case int32: n = int64(i.(int32)) } if n > 1000 { r := n % 1000 n = n / 1000 return fmt.Sprintf("%s,%03d", Commafy(n), r) } return fmt.Sprintf("%...
Go
package util import ( "log" "net" "runtime" "strings" ) type TcpHandler interface { Handle(net.Conn) } func TcpServer(listener net.Listener, handler TcpHandler) { log.Printf("TCP: listening on %s", listener.Addr().String()) for { clientConn, err := listener.Accept() if err != nil { if nerr, ok := err....
Go
// COPIED FROM http://code.google.com/p/go-semver/ // // The version package implements semantic versions as described // at http://semver.org/ package semver import ( "fmt" "regexp" "strconv" "strings" ) // Version represents a parsed version. See http://semver.org/ for // detailed description of the various com...
Go
package util import ( "errors" "io/ioutil" "net/http" "net/url" ) type ReqParams struct { url.Values Body []byte } func NewReqParams(req *http.Request) (*ReqParams, error) { reqParams, err := url.ParseQuery(req.URL.RawQuery) if err != nil { return nil, err } data, err := ioutil.ReadAll(req.Body) if err...
Go
package lookupd import ( "errors" "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "github.com/bitly/nsq/util/semver" "log" "net/url" "sort" "strings" "sync" "time" ) // GetLookupdTopics returns a []string containing a union of all the topics // from all the given lookupd func GetLookupdTopics(...
Go
package lookupd import ( "fmt" "github.com/bitly/nsq/util/semver" "sort" "strings" "time" ) type Producer struct { RemoteAddresses []string `json:"remote_addresses"` Address string `json:"address"` //TODO: remove for 1.0 Hostname string `json:"hostname"` BroadcastAd...
Go
package util func StringAdd(s []string, a string) []string { o := s found := false for _, existing := range s { if a == existing { found = true return s } } if found == false { o = append(o, a) } return o } func StringUnion(s []string, a []interface{}) []string { o := s for _, entry := range a {...
Go
package pqueue import ( "container/heap" ) type Item struct { Value interface{} Priority int64 Index int } // this is a priority queue as implemented by a min heap // ie. the 0th element is the *lowest* value type PriorityQueue []*Item func New(capacity int) PriorityQueue { return make(PriorityQueue, 0, ...
Go
package util import ( "errors" "github.com/bitly/nsq/nsq" ) /**参见 req_params.go ReqParams 和 PostParams*/ type Getter interface { Get(key string) (string, error) } func GetTopicChannelArgs(rp Getter) (string, string, error) { topicName, err := rp.Get("topic") if err != nil { return "", "", errors.New("MISSING_...
Go
package util import ( "io" "net" "time" ) type MockConn struct { io.ReadWriter } func (c MockConn) Close() error { return nil } func (c MockConn) LocalAddr() net.Addr { return &net.TCPAddr{IP: net.IPv4zero} } func (c MockConn) RemoteAddr() net.Addr { return &net.TCPAddr{IP: net.IPv4zero} } func (c MockConn...
Go
package util import ( "fmt" ) type StringArray []string func (a *StringArray) Set(s string) error { *a = append(*a, s) return nil } func (a *StringArray) String() string { return fmt.Sprint(*a) }
Go
package main import ( "crypto/md5" "flag" "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "hash/crc32" "io" "log" "net" "os" "os/signal" "regexp" "strconv" "strings" "syscall" "time" ) var ( // basic options showVersion = flag.Bool("version", false, "print version string") verbose...
Go
package main import ( "bufio" "errors" "fmt" "github.com/bitly/nsq/nsq" "log" "net" "sync" "sync/atomic" "time" ) type IdentifyDataV2 struct { ShortId string `json:"short_id"` LongId string `json:"long_id"` HeartbeatInterval int `json:"heartbeat_interval"` OutputBufferSize ...
Go
package main import ( "fmt" "github.com/bitly/nsq/util" "log" "time" ) func statsdLoop(addr string, prefix string, interval time.Duration) { lastStats := make([]TopicStats, 0) ticker := time.NewTicker(interval) for { select { case <-ticker.C: statsd := util.NewStatsdClient(addr, prefix) err := statsd...
Go
package main import ( "bytes" "encoding/binary" "encoding/json" "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "io" "log" "net" "sync/atomic" "time" "unsafe" ) const maxTimeout = time.Hour var separatorBytes = []byte(" ") var heartbeatBytes = []byte("_heartbeat_") var okBytes = []byte("OK")...
Go
package main // the core algorithm here was borrowed from: // Blake Mizerany's `noeqd` https://github.com/bmizerany/noeqd // and indirectly: // Twitter's `snowflake` https://github.com/twitter/snowflake // only minor cleanup and changes to introduce a type, combine the concept // of workerId + datacenterId into a sin...
Go
package main import ( "bytes" "encoding/json" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "log" "net" "os" "strconv" "time" ) /** 1. 容器启动后, 将与初始化与nsqlookup server 的连接, 并且将容器中的 topic 和 channel 信息,注册到 nsqlookup server 2. topic 和 channel 创建 或者 销毁, 发送 注册或者取消注册命令到所有的nsqlookup server 3. 每隔15秒, 发送心跳包到所有的...
Go
package main import ( "bytes" "github.com/bitly/nsq/nsq" ) // BackendQueue represents the behavior for the secondary message // storage system type BackendQueue interface { Put([]byte) error ReadChan() chan []byte // this is expected to be an *unbuffered* channel Close() error Delete() error Depth() int64 Emp...
Go
package main import ( "bytes" "errors" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "log" "sync" "sync/atomic" ) type Topic struct { sync.RWMutex name string channelMap map[string]*Channel // 备份消息 backend BackendQueue //新put进来的消息存放于此, 通过 topic.router() 线程将会监听该 chan, incomingMsgChan cha...
Go
package main import ( "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "io" "log" "net" ) type TcpProtocol struct { util.TcpHandler protocols map[string]nsq.Protocol } func (p *TcpProtocol) Handle(clientConn net.Conn) { log.Printf("TCP: new client(%s)", clientConn.RemoteAddr()) // The client should i...
Go
package main import ( "encoding/json" "errors" "fmt" "github.com/bitly/go-simplejson" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "github.com/bitly/nsq/util/lookupd" "io/ioutil" "log" "net" "os" "path" "runtime" "sync" "time" ) type Notifier interface { Notify(v interface{}) } /** NSQd 结构体...
Go
package main import ( "bufio" "bytes" "encoding/binary" "errors" "fmt" "io" "log" "os" "path" "sync" "sync/atomic" "time" ) // DiskQueue implements the BackendQueue interface // providing a filesystem backed FIFO queue type DiskQueue struct { sync.RWMutex // instantiation time metadata name ...
Go
package main import ( "bytes" "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "io" "log" "net" "net/http" "os" "runtime/pprof" "strings" "time" ) import httpprof "net/http/pprof" func httpServer(listener net.Listener) { log.Printf("HTTP: listening on %s", listener.Addr().String()) handler...
Go
package main import ( "bytes" "container/heap" "errors" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "github.com/bitly/nsq/util/pqueue" "log" "math" "strings" "sync" "sync/atomic" "time" ) // the amount of time a worker will wait when idle const defaultWorkerWait = 100 * time.Millisecond type C...
Go
package main import ( "sort" ) type TopicStats struct { TopicName string `json:"topic_name"` Channels []ChannelStats `json:"channels"` Depth int64 `json:"depth"` BackendDepth int64 `json:"backend_depth"` MessageCount uint64 `json:"message_count"` } func NewTopicS...
Go
package main import ( "flag" "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "log" "net" "os" "os/signal" "time" ) var ( showVersion = flag.Bool("version", false, "print version string") tcpAddress = flag.String("tcp-address", "0.0.0.0:4160", "<addr>:<port> to listen o...
Go
package main import ( "github.com/bitly/nsq/util" "log" "net" "time" ) type NSQLookupd struct { tcpAddr *net.TCPAddr httpAddr *net.TCPAddr tcpListener net.Listener httpListener net.Listener broadcastAddress string waitGroup util.Wait...
Go
package main import ( "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "io" "log" "net" ) type TcpProtocol struct { util.TcpHandler protocols map[string]nsq.Protocol } func (p *TcpProtocol) Handle(clientConn net.Conn) { log.Printf("TCP: new client(%s)", clientConn.RemoteAddr()) // The client should i...
Go
package main import ( "bufio" "encoding/binary" "encoding/json" "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "io" "log" "net" "os" "strings" "time" ) type LookupProtocolV1 struct { nsq.Protocol } func init() { protocols[string(nsq.MagicV1)] = &LookupProtocolV1{} } func (p *LookupProtoc...
Go
package main import ( "net" ) type ClientV1 struct { net.Conn peerInfo *PeerInfo } func NewClientV1(conn net.Conn) *ClientV1 { return &ClientV1{ Conn: conn, } } func (c *ClientV1) String() string { return c.RemoteAddr().String() }
Go
package main import ( "fmt" "github.com/bitly/nsq/nsq" "github.com/bitly/nsq/util" "io" "log" "net" "net/http" "strings" ) func httpServer(listener net.Listener) { log.Printf("HTTP: listening on %s", listener.Addr().String()) handler := http.NewServeMux() handler.HandleFunc("/info", infoHandler) handler....
Go
package main import ( "fmt" "sync" "time" ) type RegistrationDB struct { sync.RWMutex registrationMap map[Registration]Producers } type Registration struct { Category string Key string SubKey string } type Registrations []*Registration // type PeerInfo struct { // 客户端id,此处使用的是客户端的ip地址 id ...
Go
package nsq import ( "bytes" "encoding/binary" "fmt" "io" "io/ioutil" "time" ) // The number of bytes for a Message.Id const MsgIdLength = 16 type MessageID [MsgIdLength]byte // Message is the fundamental data type containing // the id, body, and metadata type Message struct { Id MessageID Body ...
Go
// nsq is the official Go package for https://github.com/bitly/nsq // // It provides the building blocks for developing applications on the NSQ platform in Go. // // Low-level functions and types are provided to communicate over the NSQ protocol as well // as a high-level Reader library to implement robust consumers. p...
Go
package nsq import ( "bytes" "encoding/binary" "encoding/json" "fmt" "io" "strconv" ) var byteSpace = []byte(" ") var byteNewLine = []byte("\n") // Command represents a command from a client to an NSQ daemon type Command struct { Name []byte Params [][]byte Body []byte } // String returns the name and ...
Go
package nsq import ( "errors" "fmt" "github.com/bitly/go-simplejson" "io/ioutil" "net" "net/http" "time" ) type deadlinedConn struct { Timeout time.Duration net.Conn } func (c *deadlinedConn) Read(b []byte) (n int, err error) { c.Conn.SetReadDeadline(time.Now().Add(c.Timeout)) return c.Conn.Read(b) } fun...
Go
package nsq import ( "bufio" "bytes" "errors" "fmt" "log" "net" "os" "strings" "sync/atomic" "time" ) type Writer struct { net.Conn transactionChan chan *writerTransaction dataChan chan []byte WriteTimeout time.Duration transactions []*writerTransaction state int32 st...
Go
package nsq const ( StateInit = iota StateDisconnected StateConnected StateSubscribed // close has started. responses are ok, but no new messages will be sent StateClosing )
Go
package nsq import ( "encoding/binary" "errors" "io" "net" "regexp" "time" ) var MagicV1 = []byte(" V1") var MagicV2 = []byte(" V2") const ( // when successful FrameTypeResponse int32 = 0 // when an error occurred FrameTypeError int32 = 1 // when it's a serialized message FrameTypeMessage int32 = 2 ) ...
Go
package nsq type ChildError interface { Parent() error } // ClientErr provides a way for NSQ daemons to log a human reabable // error string and return a machine readable string to the client. // // see docs/protocol.md for error codes by command type ClientErr struct { ParentErr error Code string Desc ...
Go
package nsq import ( "log" "net" "time" ) // LookupPeer is a low-level type for connecting/reading/writing to nsqlookupd // // A LookupPeer instance is designed to connect lazily to nsqlookupd and reconnect // gracefully (i.e. it is all handled by the library). Clients can simply use the // Command interface to p...
Go
package nsq import ( "bufio" "bytes" "encoding/json" "errors" "fmt" "log" "math" "math/rand" "net" "net/url" "os" "strconv" "strings" "sync" "sync/atomic" "time" ) // returned from ConnectToNSQ() when already connected var ErrAlreadyConnected = errors.New("already connected") // Handler is the synchr...
Go
package hostpool import ( "time" ) // --- hostEntry - this is due to get upgraded type hostEntry struct { host string nextRetry time.Time retryCount int16 retryDelay time.Duration dead bool epsilonCounts []int64 epsilonValues []int64 epsilonIndex ...
Go
package hostpool import ( "log" "math/rand" "time" ) type epsilonHostPoolResponse struct { standardHostPoolResponse started time.Time ended time.Time } func (r *epsilonHostPoolResponse) Mark(err error) { r.Do(func() { r.ended = time.Now() doMark(err, r) }) } type epsilonGreedyHostPool struct { stand...
Go
package hostpool // --- Value Calculators ----------------- import ( "math" ) // --- Definitions ----------------------- // Structs implementing this interface are used to convert the average response time for a host // into a score that can be used to weight hosts in the epsilon greedy hostpool. Lower response //...
Go
// A Go package to intelligently and flexibly pool among multiple hosts from your Go application. // Host selection can operate in round robin or epsilon greedy mode, and unresponsive hosts are // avoided. A good overview of Epsilon Greedy is here http://stevehanov.ca/blog/index.php?id=132 package hostpool import ( "...
Go
package assert // Testing helpers for doozer. import ( "github.com/kr/pretty" "reflect" "testing" "runtime" "fmt" ) func assert(t *testing.T, result bool, f func(), cd int) { if !result { _, file, line, _ := runtime.Caller(cd + 1) t.Errorf("%s:%d", file, line) f() t.FailNow() } } func equal(t *testing...
Go
package point type Point struct { X, Y int }
Go
package pretty import ( "fmt" "github.com/kr/text" "io" "reflect" "strconv" "text/tabwriter" ) const ( limit = 50 ) type formatter struct { x interface{} force bool quote bool } // Formatter makes a wrapper, f, that will format x as go source with line // breaks and tabs. Object f responds to the "%v"...
Go
package pretty import ( "reflect" ) func nonzero(v reflect.Value) bool { switch v.Kind() { case reflect.Bool: return v.Bool() case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: return v.Int() != 0 case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, refl...
Go
package pretty import ( "fmt" "io" "reflect" ) type sbuf []string func (s *sbuf) Write(b []byte) (int, error) { *s = append(*s, string(b)) return len(b), nil } // Diff returns a slice where each element describes // a difference between a and b. func Diff(a, b interface{}) (desc []string) { Fdiff((*sbuf)(&des...
Go
// Package pretty provides pretty-printing for Go values. This is // useful during debugging, to avoid wrapping long output lines in // the terminal. // // It provides a function, Formatter, that can be used with any // function that accepts a format string. It also provides // convenience wrappers for functions in pac...
Go
package text import ( "bytes" "math" ) var ( nl = []byte{'\n'} sp = []byte{' '} ) const defaultPenalty = 1e5 // Wrap wraps s into a paragraph of lines of length lim, with minimal // raggedness. func Wrap(s string, lim int) string { return string(WrapBytes([]byte(s), lim)) } // WrapBytes wraps b into a paragra...
Go
// Package colwriter provides a write filter that formats // input lines in multiple columns. // // The package is a straightforward translation from // /src/cmd/draw/mc.c in Plan 9 from User Space. package colwriter import ( "bytes" "io" "unicode/utf8" ) const ( tab = 4 ) const ( // Print each input line endin...
Go
// Command mc prints in multiple columns. // // Usage: mc [-] [-N] [file...] // // Mc splits the input into as many columns as will fit in N // print positions. If the output is a tty, the default N is // the number of characters in a terminal line; otherwise the // default N is 80. Under option - each input line end...
Go