make a new branch, refactoring codes

--HG--
branch : 0.1
rename : gearman/client/client.go => client/client.go
rename : gearman/client/client_test.go => client/client_test.go
rename : gearman/client/clientjob.go => client/job.go
rename : gearman/gearman.go => common/gearman.go
rename : gearman/worker/jobagent.go => worker/jobagent.go
rename : gearman/worker/worker.go => worker/worker.go
rename : gearman/worker/worker_test.go => worker/worker_test.go
rename : gearman/worker/workerjob.go => worker/workerjob.go

client/client.go

@@ -0,0 +1,263 @@
+// Copyright 2011 Xing Xing <mikespook@gmail.com>.
+// All rights reserved.
+// Use of this source code is governed by a MIT
+// license that can be found in the LICENSE file.
+
+package client
+
+import (
+    "bytes"
+    "io"
+    "net"
+    "strconv"
+    "bitbucket.org/mikespook/golib/autoinc"
+    "bitbucket.org/mikespook/gearman-go/common"
+)
+
+// Job handler
+type JobHandler func(*Job) error
+// Status handler
+// handle, known, running, numerator, denominator
+type StatusHandler func(string, bool, bool, uint64, uint64)
+
+/* 
+The client side api for gearman
+
+usage:
+    c := client.New("tcp4", "127.0.0.1:4730")
+    handle := c.Do("foobar", []byte("data here"), JOB_LOW | JOB_BG)
+
+*/
+type Client struct {
+    ErrHandler common.ErrorHandler
+    JobHandler JobHandler
+    StatusHandler StatusHandler
+
+    in chan []byte
+    out chan *Job
+    jobCreated chan *Job
+    conn     net.Conn
+    ai *autoinc.AutoInc
+}
+
+// Create a new client.
+// Connect to "addr" through "network"
+// Eg.
+//      client, err := client.New("tcp4", "127.0.0.1:4730")
+func New(network, addr string) (client *Client, err error) {
+    conn, err := net.Dial(network, addr)
+    if err != nil {
+        return
+    }
+    client = &Client{
+        jobCreated: make(chan *Job),
+        in: make(chan []byte, common.QUEUE_SIZE),
+        out: make(chan *Job, common.QUEUE_SIZE),
+        conn: conn,
+        ai: autoinc.New(0, 1),
+    }
+    go client.outLoop()
+    go client.inLoop()
+    return
+}
+
+// out loop
+func (client *Client) outLoop() {
+    ok := true
+    for ok {
+        if job, ok := <-client.out; ok {
+            client.write(job.Encode())
+        }
+    }
+}
+
+// in loop
+func (client *Client) inLoop() {
+    for {
+        rel, err := client.read()
+        if err != nil {
+            client.err(err)
+            continue
+        }
+        job, err := decodeJob(rel)
+        if err != nil {
+            client.err(err)
+            continue
+        }
+        switch job.DataType {
+        case common.ERROR:
+            _, err := common.GetError(job.Data)
+            client.err(err)
+        case common.WORK_DATA, common.WORK_WARNING, common.WORK_STATUS,
+            common.WORK_COMPLETE, common.WORK_FAIL, common.WORK_EXCEPTION,
+            common.ECHO_RES:
+            client.handleJob(job)
+        case common.JOB_CREATED:
+            client.jobCreated <- job
+        case common.STATUS_RES:
+            client.handleStatus(job)
+        }
+    }
+}
+
+// inner read
+func (client *Client) read() (data []byte, err error) {
+    if len(client.in) > 0 {
+        // incoming queue is not empty
+        data = <-client.in
+    } else {
+        // empty queue, read data from socket
+        for {
+            buf := make([]byte, common.BUFFER_SIZE)
+            var n int
+            if n, err = client.conn.Read(buf); err != nil {
+                if err == io.EOF && n == 0 {
+                    break
+                }
+                return
+            }
+            data = append(data, buf[0:n]...)
+            if n < common.BUFFER_SIZE {
+                break
+            }
+        }
+    }
+    // split package
+    start, end := 0, 4
+    tl := len(data)
+    for i := 0; i < tl; i++ {
+        if string(data[start:end]) == common.RES_STR {
+            l := int(common.BytesToUint32([4]byte{data[start+8], data[start+9], data[start+10], data[start+11]}))
+            total := l + 12
+            if total == tl {
+                return
+            } else {
+                client.in <- data[total:]
+                data = data[:total]
+                return
+            }
+        } else {
+            start++
+            end++
+        }
+    }
+    return nil, common.Errorf("Invalid data: %V", data)
+}
+
+// error handler
+func (client *Client) err (e error) {
+    if client.ErrHandler != nil {
+        client.ErrHandler(e)
+    }
+}
+
+// job handler
+func (client *Client) handleJob(job *Job) {
+    if client.JobHandler != nil {
+        if err := client.JobHandler(job); err != nil {
+            client.err(err)
+        }
+    }
+}
+
+// status handler
+func (client *Client) handleStatus(job *Job) {
+    if client.StatusHandler != nil {
+        data := bytes.SplitN(job.Data, []byte{'\x00'}, 5)
+        if len(data) != 5 {
+            client.err(common.Errorf("Invalid data: %V", job.Data))
+            return
+        }
+        handle := string(data[0])
+        known := (data[1][0] == '1')
+        running := (data[2][0] == '1')
+        numerator, err := strconv.ParseUint(string(data[3][0]), 10, 0)
+        if err != nil {
+            client.err(common.Errorf("Invalid handle: %s", data[3][0]))
+            return
+        }
+        denominator, err := strconv.ParseUint(string(data[4][0]), 10, 0)
+        if err != nil {
+            client.err(common.Errorf("Invalid handle: %s", data[4][0]))
+            return
+        }
+        client.StatusHandler(handle, known, running, numerator, denominator)
+    }
+}
+
+// Do the function.
+// funcname is a string with function name.
+// data is encoding to byte array.
+// flag set the job type, include running level: JOB_LOW, JOB_NORMAL, JOB_HIGH,
+// and if it is background job: JOB_BG.
+// JOB_LOW | JOB_BG means the job is running with low level in background.
+func (client *Client) Do(funcname string, data []byte, flag byte) (handle string, err error) {
+    var datatype uint32
+    if flag & common.JOB_LOW == common.JOB_LOW {
+        if flag & common.JOB_BG == common.JOB_BG {
+            datatype = common.SUBMIT_JOB_LOW_BG
+        } else {
+            datatype = common.SUBMIT_JOB_LOW
+        }
+    } else if flag & common.JOB_HIGH == common.JOB_HIGH {
+        if flag & common.JOB_BG == common.JOB_BG {
+            datatype = common.SUBMIT_JOB_HIGH_BG
+        } else {
+            datatype = common.SUBMIT_JOB_HIGH
+        }
+    } else if flag & common.JOB_BG == common.JOB_BG {
+        datatype = common.SUBMIT_JOB_BG
+    } else {
+        datatype = common.SUBMIT_JOB
+    }
+
+    uid := strconv.Itoa(int(client.ai.Id()))
+    l := len(funcname) + len(uid) + len(data) + 2
+    rel := make([]byte, l)
+    rel = append(rel, []byte(funcname)...)          // len(funcname)
+    rel = append(rel, '\x00')                       // 1 Byte
+    rel = append(rel, []byte(uid)...)               // len(uid)
+    rel = append(rel, '\x00')                       // 1 Byte
+    rel = append(rel, data...)                      // len(data)
+    client.writeJob(newJob(common.REQ, datatype, rel))
+
+    // Waiting for JOB_CREATED
+    job := <-client.jobCreated
+    return string(job.Data), nil
+}
+
+// Get job status from job server.
+// !!!Not fully tested.!!!
+func (client *Client) Status(handle string) {
+    job := newJob(common.REQ, common.GET_STATUS, []byte(handle))
+    client.writeJob(job)
+}
+
+// Send a something out, get the samething back.
+func (client *Client) Echo(data []byte) {
+    client.writeJob(newJob(common.REQ, common.ECHO_REQ, data))
+}
+
+// Send the job to job server.
+func (client *Client) writeJob(job *Job) {
+    client.out <- job
+}
+
+// Internal write
+func (client *Client) write(buf []byte) (err error) {
+    var n int
+    for i := 0; i < len(buf); i += n {
+        n, err = client.conn.Write(buf[i:])
+        if err != nil {
+            return
+        }
+    }
+    return
+}
+
+// Close
+func (client *Client) Close() (err error) {
+    close(client.jobCreated)
+    close(client.in)
+    return client.conn.Close();
+}

client/client_test.go

@@ -0,0 +1,43 @@
+package client
+
+import (
+    "bitbucket.org/mikespook/gearman-go/common"
+    "testing"
+)
+
+var client *Client
+
+func TestClientAddServer(t *testing.T) {
+    t.Log("Add local server 127.0.0.1:4730")
+    var err error
+    if client, err = New("tcp4", "127.0.0.1:4730"); err != nil {
+        t.Error(err)
+    }
+}
+
+func TestClientEcho(t *testing.T) {
+    client.JobHandler = func(job *Job) error {
+        echo := string(job.Data)
+        if echo == "Hello world" {
+            t.Log(echo)
+        } else {
+            t.Errorf("Invalid echo data: %s", job.Data)
+        }
+        return nil
+    }
+    client.Echo([]byte("Hello world"))
+}
+
+func TestClientDo(t *testing.T) {
+    if handle, err := client.Do("ToUpper", []byte("abcdef"), common.JOB_LOW|common.JOB_BG); err != nil {
+        t.Error(err)
+    } else {
+        t.Log(handle)
+    }
+}
+
+func TestClientClose(t *testing.T) {
+    if err := client.Close(); err != nil {
+        t.Error(err)
+    }
+}

client/job.go

@@ -0,0 +1,105 @@
+// Copyright 2011 Xing Xing <mikespook@gmail.com>.
+// All rights reserved.
+// Use of this source code is governed by a MIT
+// license that can be found in the LICENSE file.
+
+package client
+
+import (
+    "bytes"
+    "bitbucket.org/mikespook/gearman-go/common"
+)
+// An error handler
+type ErrorHandler func(error)
+
+// Client side job
+type Job struct {
+    Data                []byte
+    Handle, UniqueId    string
+    magicCode, DataType uint32
+}
+
+// Create a new job
+func newJob(magiccode, datatype uint32, data []byte) (job *Job) {
+    return &Job{magicCode: magiccode,
+        DataType: datatype,
+        Data:     data}
+}
+
+// Decode a job from byte slice
+func decodeJob(data []byte) (job *Job, err error) {
+    if len(data) < 12 {
+        return nil, common.Errorf("Invalid data: %V", data)
+    }
+    datatype := common.BytesToUint32([4]byte{data[4], data[5], data[6], data[7]})
+    l := common.BytesToUint32([4]byte{data[8], data[9], data[10], data[11]})
+    if len(data[12:]) != int(l) {
+        return nil, common.Errorf("Invalid data: %V", data)
+    }
+    data = data[12:]
+    return newJob(common.RES, datatype, data), nil
+}
+
+// Encode a job to byte slice
+func (job *Job) Encode() (data []byte) {
+    l := len(job.Data) + 12
+    data = make([]byte, l)
+
+    magiccode := common.Uint32ToBytes(job.magicCode)
+    datatype := common.Uint32ToBytes(job.DataType)
+    datalength := common.Uint32ToBytes(uint32(l))
+    for i := 0; i < l; i ++ {
+        switch {
+            case i < 4:
+                data[i] = magiccode[i]
+            case i < 8:
+                data[i] = datatype[i - 4]
+            case i < 12:
+                data[i] = datalength[i - 8]
+            default:
+                data[i] = job.Data[i - 12]
+        }
+    }
+    return
+}
+
+// Extract the job's result.
+func (job *Job) Result() (data []byte, err error) {
+    switch job.DataType {
+    case common.WORK_FAIL:
+        job.Handle = string(job.Data)
+        return nil, common.ErrWorkFail
+    case common.WORK_EXCEPTION:
+        err = common.ErrWorkException
+        fallthrough
+    case common.WORK_COMPLETE:
+        s := bytes.SplitN(job.Data, []byte{'\x00'}, 2)
+        if len(s) != 2 {
+            return nil, common.Errorf("Invalid data: %V", job.Data)
+        }
+        job.Handle = string(s[0])
+        data = s[1]
+    default:
+        err = common.ErrDataType
+    }
+    return
+}
+
+// Extract the job's update
+func (job *Job) Update() (data []byte, err error) {
+    if job.DataType != common.WORK_DATA && job.DataType != common.WORK_WARNING {
+        err = common.ErrDataType
+        return
+    }
+    s := bytes.SplitN(job.Data, []byte{'\x00'}, 2)
+    if len(s) != 2 {
+        err = common.ErrInvalidData
+        return
+    }
+    if job.DataType == common.WORK_WARNING {
+        err = common.ErrWorkWarning
+    }
+    job.Handle = string(s[0])
+    data = s[1]
+    return
+}

common/error.go

@@ -0,0 +1,47 @@
+// Copyright 2011 - 2012 Xing Xing <mikespook@gmail.com>.
+// All rights reserved.
+// Use of this source code is governed by a MIT
+// license that can be found in the LICENSE file.
+
+package common
+
+import (
+    "fmt"
+    "bytes"
+    "errors"
+    "syscall"
+)
+
+var (
+    ErrInvalidData   = errors.New("Invalid data.")
+    ErrWorkWarning   = errors.New("Work warning.")
+    ErrWorkFail      = errors.New("Work fail.")
+    ErrWorkException = errors.New("Work exeption.")
+    ErrDataType      = errors.New("Invalid data type.")
+    ErrOutOfCap      = errors.New("Out of the capability.")
+    ErrNotConn       = errors.New("Did not connect to job server.")
+    ErrFuncNotFound  = errors.New("The function was not found.")
+)
+
+// Extract the error message
+func GetError(data []byte) (eno syscall.Errno, err error) {
+    rel := bytes.SplitN(data, []byte{'\x00'}, 2)
+    if len(rel) != 2 {
+        err = Errorf("Not a error data: %V", data)
+        return
+    }
+    l := len(rel[0])
+    eno = syscall.Errno(BytesToUint32([4]byte{rel[0][l-4], rel[0][l-3], rel[0][l-2], rel[0][l-1]}))
+    err = errors.New(string(rel[1]))
+    return
+}
+
+// Get a formated error
+func Errorf(format string, msg ... interface{}) error {
+    return errors.New(fmt.Sprintf(format, msg ... ))
+}
+
+// An error handler
+type ErrorHandler func(error)
+
+

common/gearman.go

@@ -1,30 +1,17 @@
-// Copyright 2011 Xing Xing <mikespook@gmail.com> All rights reserved.
+// Copyright 2011 - 2012 Xing Xing <mikespook@gmail.com>.
+// All rights reserved.
 // Use of this source code is governed by a MIT
 // license that can be found in the LICENSE file.
 
-/*
+package common
-This module is Gearman API for golang. 
-The protocol was implemented by native way.
-*/
-
-package gearman
-
-import (
-    "bytes"
-    "errors"
-    "syscall"
-)
 
 const (
-    // tcp4 is tested. You can modify this to 'tcp' for both ipv4 and ipv6,
-    // or 'tcp6' only for ipv6.
-    TCP = "tcp4"
     // the number limited for job servers.
     WORKER_SERVER_CAP = 32
     // the number limited for functions.
     WORKER_FUNCTION_CAP = 512
     // queue size
-    QUEUE_CAP = 512
+    QUEUE_SIZE = 512
     // read buffer size
     BUFFER_SIZE = 1024
 
@@ -80,44 +67,14 @@ const (
     JOB_HIGH = 4
 )
 
-var (
-    ErrIsNotErr      = errors.New("The input is not a error data.")
-    ErrInvalidData   = errors.New("Invalid data.")
-    ErrWorkWarning   = errors.New("Work warning.")
-    ErrWorkFail      = errors.New("Work fail.")
-    ErrWorkException = errors.New("Work exeption.")
-    ErrDataType      = errors.New("Invalid data type.")
-    ErrOutOfCap      = errors.New("Out of the capability.")
-    ErrNotConn       = errors.New("Did not connect to job server.")
-    ErrFuncNotFound  = errors.New("The function was not found.")
-)
-
-// Extract the error message
-func GetError(data []byte) (eno syscall.Errno, err error) {
-    rel := bytes.SplitN(data, []byte{'\x00'}, 2)
-    if len(rel) != 2 {
-        err = ErrIsNotErr
-        return
-    }
-    l := len(rel[0])
-    eno = syscall.Errno(BytesToUint32([4]byte{rel[0][l-4], rel[0][l-3], rel[0][l-2], rel[0][l-1]}))
-    err = errors.New(string(rel[1]))
-    return
-}
-
 // Decode [4]byte to uint32 
 func BytesToUint32(buf [4]byte) uint32 {
-    return uint32(buf[0])<<24 +
+    return uint32(buf[0])<<24 + uint32(buf[1])<<16 + uint32(buf[2])<<8 +
-        uint32(buf[1])<<16 +
-        uint32(buf[2])<<8 +
         uint32(buf[3])
 }
 
 // Encode uint32 to [4]byte
-func Uint32ToBytes(i uint32) (data [4]byte) {
+func Uint32ToBytes(i uint32) [4]byte {
-    data[0] = byte((i >> 24) & 0xff)
+    return [4]byte{byte((i >> 24) & 0xff), byte((i >> 16) & 0xff),
-    data[1] = byte((i >> 16) & 0xff)
+        byte((i >> 8) & 0xff), byte(i & 0xff),}
-    data[2] = byte((i >> 8) & 0xff)
-    data[3] = byte(i & 0xff)
-    return
 }

example/client.go

@@ -1,46 +1,42 @@
 package main
 
 import (
-    "bitbucket.org/mikespook/gearman-go/gearman"
-    "bitbucket.org/mikespook/gearman-go/gearman/client"
     "log"
+    "sync"
+    "bitbucket.org/mikespook/gearman-go"
+    "bitbucket.org/mikespook/gearman-go/client"
 )
 
 func main() {
-    client := client.New()
+    var wg sync.WaitGroup
-    defer client.Close()
+
-    if err := client.AddServer("127.0.0.1:4730"); err != nil {
+    c, err := client.New("tcp4", "127.0.0.1:4730")
+    if err != nil {
         log.Fatalln(err)
     }
+    defer c.Close()
     echo := []byte("Hello\x00 world")
-
+    c.JobHandler = func(job *client.Job) error {
-    if data, err := client.Echo(echo); err != nil {
+        log.Printf("%V", job)
-        log.Fatalln(string(data))
+        wg.Done()
+        return nil
     }
 
-    handle, err := client.Do("ToUpper", echo, gearman.JOB_NORMAL)
+    wg.Add(1)
+    c.Echo(echo)
+
+    handle, err := c.Do("ToUpper", echo, gearman.JOB_NORMAL)
     if err != nil {
         log.Fatalln(err)
     } else {
         log.Println(handle)
-        job := <-client.JobQueue
-        if data, err := job.Result(); err != nil {
-            log.Fatalln(err)
-        } else {
-            log.Println(string(data))
-        }
     }
 
-    known, running, numerator, denominator, err := client.Status(handle)
+    c.StatusHandler = func(handle string, known, running bool, numerator, denominator uint64) {
-    if err != nil {
+        log.Printf("%s: %b, %b, %d, %d", handle, known, running, numerator, denominator)
-        log.Fatalln(err)
+        wg.Done()
-    }
-    if !known {
-        log.Println("Unknown")
-    }
-    if running {
-        log.Printf("%g%%\n", float32(numerator)*100/float32(denominator))
-    } else {
-        log.Println("Not running")
     }
+    wg.Add(1)
+    c.Status(handle)
+    wg.Wait()
 }

gearman.go

@@ -1,4 +1,4 @@
-// Copyright 2012 Xing Xing <mikespook@gmail.com> All rights reserved.
+// Copyright 2011 Xing Xing <mikespook@gmail.com> All rights reserved.
 // Use of this source code is governed by a MIT
 // license that can be found in the LICENSE file.
 
@@ -9,7 +9,15 @@ The protocol was implemented by native way.
 
 package gearman
 
-import (
+const (
-    _ "bitbucket.org/mikespook/gearman-go/gearman/client"
+    // Job type
-    _ "bitbucket.org/mikespook/gearman-go/gearman/worker"
+    // JOB_NORMAL | JOB_BG means a normal level job run in background
+    // normal level
+    JOB_NORMAL = 0
+    // background job
+    JOB_BG = 1
+    // low level
+    JOB_LOW = 2
+    // high level
+    JOB_HIGH = 4
 )

gearman/client/client.go

@@ -1,278 +0,0 @@
-// Copyright 2011 Xing Xing <mikespook@gmail.com> All rights reserved.
-// Use of this source code is governed by a MIT
-// license that can be found in the LICENSE file.
-
-package client
-
-import (
-    "bitbucket.org/mikespook/gearman-go/gearman"
-    "bytes"
-    "io"
-    "net"
-    "strconv"
-    "sync"
-)
-
-/* 
-The client side api for gearman.
-
-usage:
-    client = NewClient()
-    client.AddServer("127.0.0.1:4730")
-    handle := client.Do("foobar", []byte("data here"), JOB_LOW | JOB_BG)
-
-*/
-type Client struct {
-    mutex    sync.Mutex
-    conn     net.Conn
-    incoming chan []byte
-
-    JobQueue chan *ClientJob
-    UId      uint32
-}
-
-// Create a new client.
-func New() (client *Client) {
-    return &Client{
-        JobQueue: make(chan *ClientJob, gearman.QUEUE_CAP),
-        incoming: make(chan []byte, gearman.QUEUE_CAP),
-        UId:1}
-}
-
-// Add a server.
-// In this version, one client connect to one job server.
-// Sample is better. Plz do the load balancing by your self.
-func (client *Client) AddServer(addr string) (err error) {
-    client.conn, err = net.Dial(gearman.TCP, addr)
-    if err != nil {
-        return
-    }
-    return
-}
-
-// Internal read
-func (client *Client) read() (data []byte, err error) {
-    if len(client.incoming) > 0 {
-        // incoming queue is not empty
-        data = <-client.incoming
-    } else {
-        // empty queue, read data from socket
-        for {
-            buf := make([]byte, gearman.BUFFER_SIZE)
-            var n int
-            if n, err = client.conn.Read(buf); err != nil {
-                if err == io.EOF && n == 0 {
-                    break
-                }
-                return
-            }
-            data = append(data, buf[0:n]...)
-            if n < gearman.BUFFER_SIZE {
-                break
-            }
-        }
-    }
-    // split package
-    start, end := 0, 4
-    tl := len(data)
-    for i := 0; i < tl; i++ {
-        if string(data[start:end]) == gearman.RES_STR {
-            l := int(gearman.BytesToUint32([4]byte{data[start+8], data[start+9], data[start+10], data[start+11]}))
-            total := l + 12
-            if total == tl {
-                return
-            } else {
-                client.incoming <- data[total:]
-                data = data[:total]
-                return
-            }
-        } else {
-            start++
-            end++
-        }
-    }
-    err = gearman.ErrInvalidData
-    return
-}
-
-// Read a job from job server.
-// This function will return the job, and add it to the job queue.
-func (client *Client) ReadJob() (job *ClientJob, err error) {
-    var rel []byte
-    if rel, err = client.read(); err != nil {
-        return
-    }
-    if job, err = DecodeClientJob(rel); err != nil {
-        return
-    } else {
-        switch job.DataType {
-        case gearman.ERROR:
-            _, err = gearman.GetError(job.Data)
-            return
-        case gearman.WORK_DATA, gearman.WORK_WARNING, gearman.WORK_STATUS, gearman.WORK_COMPLETE, gearman.WORK_FAIL, gearman.WORK_EXCEPTION:
-            client.JobQueue <- job
-        }
-    }
-    return
-}
-
-// Do the function.
-// funcname is a string with function name.
-// data is encoding to byte array.
-// flag set the job type, include running level: JOB_LOW, JOB_NORMAL, JOB_HIGH,
-// and if it is background job: JOB_BG.
-// JOB_LOW | JOB_BG means the job is running with low level in background.
-func (client *Client) Do(funcname string, data []byte, flag byte) (handle string, err error) {
-    var datatype uint32
-    if flag&gearman.JOB_LOW == gearman.JOB_LOW {
-        if flag&gearman.JOB_BG == gearman.JOB_BG {
-            datatype = gearman.SUBMIT_JOB_LOW_BG
-        } else {
-            datatype = gearman.SUBMIT_JOB_LOW
-        }
-    } else if flag&gearman.JOB_HIGH == gearman.JOB_HIGH {
-        if flag&gearman.JOB_BG == gearman.JOB_BG {
-            datatype = gearman.SUBMIT_JOB_HIGH_BG
-        } else {
-            datatype = gearman.SUBMIT_JOB_HIGH
-        }
-    } else if flag&gearman.JOB_BG == gearman.JOB_BG {
-        datatype = gearman.SUBMIT_JOB_BG
-    } else {
-        datatype = gearman.SUBMIT_JOB
-    }
-
-    rel := make([]byte, 0, 1024*64)
-    rel = append(rel, []byte(funcname)...)
-    rel = append(rel, '\x00')
-    client.mutex.Lock()
-    uid := strconv.Itoa(int(client.UId))
-    client.UId++
-    rel = append(rel, []byte(uid)...)
-    client.mutex.Unlock()
-    rel = append(rel, '\x00')
-    rel = append(rel, data...)
-    if err = client.WriteJob(NewClientJob(gearman.REQ, datatype, rel)); err != nil {
-        return
-    }
-    var job *ClientJob
-    if job, err = client.readLastJob(gearman.JOB_CREATED); err != nil {
-        return
-    }
-    handle = string(job.Data)
-    go func() {
-        if flag&gearman.JOB_BG != gearman.JOB_BG {
-            for {
-                if job, err = client.ReadJob(); err != nil {
-                    return
-                }
-                switch job.DataType {
-                case gearman.WORK_DATA, gearman.WORK_WARNING:
-                case gearman.WORK_STATUS:
-                case gearman.WORK_COMPLETE, gearman.WORK_FAIL, gearman.WORK_EXCEPTION:
-                    return
-                }
-            }
-        }
-    }()
-    return
-}
-
-// Internal read last job
-func (client *Client) readLastJob(datatype uint32) (job *ClientJob, err error) {
-    for {
-        if job, err = client.ReadJob(); err != nil {
-            return
-        }
-        if job.DataType == datatype {
-            break
-        }
-    }
-    if job.DataType != datatype {
-        err = gearman.ErrDataType
-    }
-    return
-}
-
-// Get job status from job server.
-// !!!Not fully tested.!!!
-func (client *Client) Status(handle string) (known, running bool, numerator, denominator uint64, err error) {
-
-    if err = client.WriteJob(NewClientJob(gearman.REQ, gearman.GET_STATUS, []byte(handle))); err != nil {
-        return
-    }
-    var job *ClientJob
-    if job, err = client.readLastJob(gearman.STATUS_RES); err != nil {
-        return
-    }
-    data := bytes.SplitN(job.Data, []byte{'\x00'}, 5)
-    if len(data) != 5 {
-        err = gearman.ErrInvalidData
-        return
-    }
-    if handle != string(data[0]) {
-        err = gearman.ErrInvalidData
-        return
-    }
-    known = data[1][0] == '1'
-    running = data[2][0] == '1'
-    if numerator, err = strconv.ParseUint(string(data[3][0]), 10, 0); err != nil {
-        return
-    }
-    if denominator, err = strconv.ParseUint(string(data[4][0]), 10, 0); err != nil {
-        return
-    }
-    return
-}
-
-// Send a something out, get the samething back.
-func (client *Client) Echo(data []byte) (echo []byte, err error) {
-    if err = client.WriteJob(NewClientJob(gearman.REQ, gearman.ECHO_REQ, data)); err != nil {
-        return
-    }
-    var job *ClientJob
-    if job, err = client.readLastJob(gearman.ECHO_RES); err != nil {
-        return
-    }
-    echo = job.Data
-    return
-}
-
-// Get the last job.
-// the job means a network package. 
-// Normally, it is the job executed result.
-func (client *Client) LastJob() (job *ClientJob) {
-    if l := len(client.JobQueue); l != 1 {
-        if l == 0 {
-            return
-        }
-        for i := 0; i < l-1; i++ {
-            <-client.JobQueue
-        }
-    }
-    return <-client.JobQueue
-}
-
-// Send the job to job server.
-func (client *Client) WriteJob(job *ClientJob) (err error) {
-    return client.write(job.Encode())
-}
-
-// Internal write
-func (client *Client) write(buf []byte) (err error) {
-    var n int
-    for i := 0; i < len(buf); i += n {
-        n, err = client.conn.Write(buf[i:])
-        if err != nil {
-            return
-        }
-    }
-    return
-}
-
-// Close.
-func (client *Client) Close() (err error) {
-    err = client.conn.Close()
-    close(client.JobQueue)
-    return
-}

gearman/client/client_test.go

@@ -1,41 +0,0 @@
-package client
-
-import (
-    "bitbucket.org/mikespook/gearman-go/gearman"
-    "testing"
-)
-
-var client *Client
-
-func init() {
-    client = NewClient()
-}
-
-func TestClientAddServer(t *testing.T) {
-    t.Log("Add local server 127.0.0.1:4730")
-    if err := client.AddServer("127.0.0.1:4730"); err != nil {
-        t.Error(err)
-    }
-}
-
-func TestClientEcho(t *testing.T) {
-    if echo, err := client.Echo([]byte("Hello world")); err != nil {
-        t.Error(err)
-    } else {
-        t.Log(echo)
-    }
-}
-
-func TestClientDo(t *testing.T) {
-    if handle, err := client.Do("ToUpper", []byte("abcdef"), gearman.JOB_LOW|gearman.JOB_BG); err != nil {
-        t.Error(err)
-    } else {
-        t.Log(handle)
-    }
-}
-
-func TestClientClose(t *testing.T) {
-    if err := client.Close(); err != nil {
-        t.Error(err)
-    }
-}

gearman/client/clientjob.go

@@ -1,98 +0,0 @@
-// Copyright 2011 Xing Xing <mikespook@gmail.com> All rights reserved.
-// Use of this source code is governed by a MIT
-// license that can be found in the LICENSE file.
-
-package client
-
-import (
-    "bitbucket.org/mikespook/gearman-go/gearman"
-    "bytes"
-)
-
-// Client side job
-type ClientJob struct {
-    Data                []byte
-    Handle, UniqueId    string
-    magicCode, DataType uint32
-}
-
-// Create a new job
-func NewClientJob(magiccode, datatype uint32, data []byte) (job *ClientJob) {
-    return &ClientJob{magicCode: magiccode,
-        DataType: datatype,
-        Data:     data}
-}
-
-// Decode a job from byte slice
-func DecodeClientJob(data []byte) (job *ClientJob, err error) {
-    if len(data) < 12 {
-        err = gearman.ErrInvalidData
-        return
-    }
-    datatype := gearman.BytesToUint32([4]byte{data[4], data[5], data[6], data[7]})
-    l := gearman.BytesToUint32([4]byte{data[8], data[9], data[10], data[11]})
-    if len(data[12:]) != int(l) {
-        err = gearman.ErrInvalidData
-        return
-    }
-    data = data[12:]
-    job = NewClientJob(gearman.RES, datatype, data)
-    return
-}
-
-// Encode a job to byte slice
-func (job *ClientJob) Encode() (data []byte) {
-    magiccode := gearman.Uint32ToBytes(job.magicCode)
-    datatype := gearman.Uint32ToBytes(job.DataType)
-    data = make([]byte, 0, 1024*64)
-    data = append(data, magiccode[:]...)
-    data = append(data, datatype[:]...)
-    l := len(job.Data)
-    datalength := gearman.Uint32ToBytes(uint32(l))
-    data = append(data, datalength[:]...)
-    data = append(data, job.Data...)
-    return
-}
-
-// Extract the job's result.
-func (job *ClientJob) Result() (data []byte, err error) {
-    switch job.DataType {
-    case gearman.WORK_FAIL:
-        job.Handle = string(job.Data)
-        err = gearman.ErrWorkFail
-        return
-    case gearman.WORK_EXCEPTION:
-        err = gearman.ErrWorkException
-        fallthrough
-    case gearman.WORK_COMPLETE:
-        s := bytes.SplitN(job.Data, []byte{'\x00'}, 2)
-        if len(s) != 2 {
-            err = gearman.ErrInvalidData
-            return
-        }
-        job.Handle = string(s[0])
-        data = s[1]
-    default:
-        err = gearman.ErrDataType
-    }
-    return
-}
-
-// Extract the job's update
-func (job *ClientJob) Update() (data []byte, err error) {
-    if job.DataType != gearman.WORK_DATA && job.DataType != gearman.WORK_WARNING {
-        err = gearman.ErrDataType
-        return
-    }
-    s := bytes.SplitN(job.Data, []byte{'\x00'}, 2)
-    if len(s) != 2 {
-        err = gearman.ErrInvalidData
-        return
-    }
-    if job.DataType == gearman.WORK_WARNING {
-        err = gearman.ErrWorkWarning
-    }
-    job.Handle = string(s[0])
-    data = s[1]
-    return
-}

worker/jobagent.go

@@ -5,7 +5,7 @@
 package worker
 
 import (
-    "bitbucket.org/mikespook/gearman-go/gearman"
+    gearman "bitbucket.org/mikespook/gearman-go"
     "io"
     "net"
 )

worker/worker.go

@@ -5,7 +5,7 @@
 package worker
 
 import (
-    "bitbucket.org/mikespook/gearman-go/gearman"
+    gearman "bitbucket.org/mikespook/gearman-go"
     "bytes"
     "sync"
 )

worker/workerjob.go

@@ -5,7 +5,7 @@
 package worker
 
 import (
-    "bitbucket.org/mikespook/gearman-go/gearman"
+    gearman "bitbucket.org/mikespook/gearman-go"
     "strconv"
 )