yuxh/gearman-go
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#12 fixed

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This commit is contained in:
mikespook 2013-04-23 16:58:06 +08:00
parent 89ef28fb9b
commit 568c70b083
9 changed files with 93 additions and 61 deletions
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24
client/client.go
View File

@ -82,16 +82,12 @@ func New(addr string) (client *Client, err error) {
//
func (client *Client) connect() (err error) {
client.mutex.Lock()
defer client.mutex.Unlock()
client.conn, err = net.Dial(common.NETWORK, client.addr)
return
}
// Internal write
func (client *Client) write(buf []byte) (err error) {
client.mutex.RLock()
defer client.mutex.RUnlock()
var n int
for i := 0; i < len(buf); i += n {
n, err = client.conn.Write(buf[i:])
@ -104,8 +100,6 @@ func (client *Client) write(buf []byte) (err error) {
// read length bytes from the socket
func (client *Client) readData(length int) (data []byte, err error) {
client.mutex.RLock()
defer client.mutex.RUnlock()
n := 0
buf := make([]byte, common.BUFFER_SIZE)
// read until data can be unpacked
@ -236,9 +230,11 @@ func (client *Client) err (e error) {
// job handler
func (client *Client) handleJob(job *Job) {
if h, ok := client.jobhandlers[job.UniqueId]; ok {
client.mutex.RLock()
defer client.mutex.RUnlock()
if h, ok := client.jobhandlers[job.Handle]; ok {
h(job)
delete(client.jobhandlers, job.UniqueId)
delete(client.jobhandlers, job.Handle)
}
}
@ -316,9 +312,11 @@ flag byte, jobhandler JobHandler) (handle string) {
datatype = common.SUBMIT_JOB
}
id := IdGen.Id()
client.mutex.Lock()
defer client.mutex.Unlock()
handle = client.do(funcname, data, datatype, id)
if jobhandler != nil {
client.jobhandlers[id] = jobhandler
client.jobhandlers[handle] = jobhandler
}
return
}
@ -341,9 +339,13 @@ flag byte) (handle string) {
// Get job status from job server.
// !!!Not fully tested.!!!
func (client *Client) Status(handle string) (status *Status) {
func (client *Client) Status(handle string, timeout time.Duration) (status *Status, err error) {
client.writeJob(newJob(common.REQ, common.GET_STATUS, []byte(handle)))
status = <-client.status
select {
case status = <-client.status:
case <-time.NewTimer(timeout).C:
err = common.ErrTimeOut
}
return
}

2
client/id.go
View File

@ -16,7 +16,7 @@ type objectId struct {
}
func (id *objectId) Id() string {
return id.String()
return id.Hex()
}
func NewObjectId() IdGenerator {

3
client/job.go
View File

@ -51,7 +51,6 @@ func decodeJob(data []byte) (job *Job, err error) {
return nil, common.Errorf("Invalid data: %V", data)
}
data = data[12:]
var handle string
switch datatype {
case common.WORK_DATA, common.WORK_WARNING, common.WORK_STATUS,
@ -59,7 +58,7 @@ func decodeJob(data []byte) (job *Job, err error) {
i := bytes.IndexByte(data, '\x00')
if i != -1 {
handle = string(data[:i])
data = data[i:]
data = data[i + 1:]
}
}

5
client/pool.go
View File

@ -7,6 +7,7 @@ package client
import (
"sync"
"time"
"errors"
"math/rand"
"github.com/mikespook/gearman-go/common"
@ -115,9 +116,9 @@ flag byte) (addr, handle string) {
// Get job status from job server.
// !!!Not fully tested.!!!
func (pool *Pool) Status(addr, handle string) (status *Status, err error) {
func (pool *Pool) Status(addr, handle string, timeout time.Duration) (status *Status, err error) {
if client, ok := pool.clients[addr]; ok {
status = client.Status(handle)
status, err = client.Status(handle, timeout)
} else {
err = ErrNotFound
}

4
common/error.go
View File

@ -24,8 +24,8 @@ var (
ErrFuncNotFound = errors.New("The function was not found.")
ErrConnection = errors.New("Connection error.")
ErrNoActiveAgent = errors.New("No active agent.")
ErrExecTimeOut = errors.New("Executing time out.")
ErrUnknown = errors.New("Unknown error.")
ErrTimeOut = errors.New("Executing time out.")
ErrUnknown = errors.New("Unknown error.")
)
func DisablePanic() {recover()}

15
example/client.go
View File

@ -3,6 +3,7 @@ package main
import (
"log"
"sync"
"time"
"github.com/mikespook/gearman-go/client"
)
@ -11,7 +12,7 @@ func main() {
// Set the autoinc id generator
// You can write your own id generator
// by implementing IdGenerator interface.
client.IdGen = client.NewAutoIncId()
// client.IdGen = client.NewAutoIncId()
c, err := client.New("127.0.0.1:4730")
if err != nil {
@ -20,20 +21,22 @@ func main() {
defer c.Close()
c.ErrHandler = func(e error) {
log.Println(e)
panic(e)
}
echo := []byte("Hello\x00 world")
wg.Add(1)
c.Echo(echo)
wg.Add(1)
log.Println(string(c.Echo(echo)))
wg.Done()
jobHandler := func(job *client.Job) {
log.Printf("%s", job.Data)
wg.Done()
}
handle := c.Do("ToUpper", echo, client.JOB_NORMAL, jobHandler)
wg.Add(1)
log.Printf("%t", c.Status(handle))
status, err := c.Status(handle, time.Second)
if err != nil {
log.Fatalln(err)
}
log.Printf("%t", status)
wg.Wait()
}

53
gearman_test.go
View File

@ -10,9 +10,7 @@ The protocol was implemented by native way.
package gearman
import (
"fmt"
"time"
"errors"
"testing"
"strings"
"github.com/mikespook/gearman-go/client"
@ -21,7 +19,6 @@ import (
const(
STR = "The gearman-go is a pure go implemented library."
UPPERSTR = "THE GEARMAN-GO IS A PURE GO IMPLEMENTED LIRBRARY."
GEARMAND = "127.0.0.1:4730"
)
@ -51,6 +48,10 @@ func TestJobs(t *testing.T) {
t.Error(err)
return
}
w.ErrHandler = func(e error) {
t.Error(e)
}
go w.Work()
c, err := client.New(GEARMAND)
@ -61,29 +62,37 @@ func TestJobs(t *testing.T) {
defer c.Close()
c.ErrHandler = func(e error) {
panic(e)
}
jobHandler := func(job *client.Job) {
if (string(job.Data) != UPPERSTR) {
panic(errors.New(fmt.Sprintf("%s expected, got %s", UPPERSTR, job.Data)))
}
t.Error(e)
}
{
jobHandler := func(job *client.Job) {
upper := strings.ToUpper(STR)
if (string(job.Data) != upper) {
t.Error("%s expected, got %s", []byte(upper), job.Data)
}
}
handle := c.Do("ToUpper", []byte(STR), client.JOB_NORMAL, jobHandler)
status := c.Status(handle)
status, err := c.Status(handle, time.Second)
if err != nil {
t.Error(err)
return
}
if !status.Known {
t.Errorf("%s should be known", status.Handle)
return
}
}
{
handle := c.DoBg("Sleep", nil, client.JOB_NORMAL)
time.Sleep(time.Second)
status := c.Status(handle)
status, err := c.Status(handle, time.Second)
if err != nil {
t.Error(err)
return
}
if !status.Known {
t.Errorf("%s should be known", status.Handle)
@ -91,7 +100,23 @@ func TestJobs(t *testing.T) {
}
if !status.Running {
t.Errorf("%s shouldn be running", status.Handle)
t.Errorf("%s should be running", status.Handle)
}
}
{
status, err := c.Status("not exists handle", time.Second)
if err != nil {
t.Error(err)
return
}
if status.Known {
t.Errorf("%s shouldn't be known", status.Handle)
return
}
if status.Running {
t.Errorf("%s shouldn't be running", status.Handle)
}
}
}

26
worker/job.go
View File

@ -6,6 +6,7 @@
package worker
import (
"bytes"
"strconv"
"github.com/mikespook/gearman-go/common"
)
@ -13,7 +14,7 @@ import (
// Worker side job
type Job struct {
Data []byte
Handle, UniqueId string
Handle, UniqueId, Fn string
agent *agent
magicCode, DataType uint32
c chan bool
@ -24,8 +25,7 @@ func newJob(magiccode, datatype uint32, data []byte) (job *Job) {
return &Job{magicCode: magiccode,
DataType: datatype,
Data: data,
c: make(chan bool),
}
c: make(chan bool),}
}
// Decode job from byte slice
@ -39,7 +39,25 @@ func decodeJob(data []byte) (job *Job, err error) {
return nil, common.Errorf("Invalid data: %V", data)
}
data = data[12:]
job = newJob(common.RES, datatype, data)
job = &Job{magicCode: common.RES, DataType: datatype, c: make(chan bool),}
switch datatype {
case common.JOB_ASSIGN:
s := bytes.SplitN(data, []byte{'\x00'}, 3)
if len(s) == 3 {
job.Handle = string(s[0])
job.Fn = string(s[1])
data = s[2]
}
case common.JOB_ASSIGN_UNIQ:
s := bytes.SplitN(data, []byte{'\x00'}, 4)
if len(s) == 4 {
job.Handle = string(s[0])
job.Fn = string(s[1])
job.UniqueId = string(s[2])
data = s[3]
}
}
job.Data = data
return
}

22
worker/worker.go
View File

@ -6,7 +6,6 @@ package worker
import (
"time"
"bytes"
"github.com/mikespook/gearman-go/common"
)
@ -258,24 +257,9 @@ func (worker *Worker) exec(job *Job) (err error) {
}
}
} ()
var limit int
if job.DataType == common.JOB_ASSIGN {
limit = 3
} else {
limit = 4
}
jobdata := bytes.SplitN(job.Data, []byte{'\x00'}, limit)
job.Handle = string(jobdata[0])
funcname := string(jobdata[1])
if job.DataType == common.JOB_ASSIGN {
job.Data = jobdata[2]
} else {
job.UniqueId = string(jobdata[2])
job.Data = jobdata[3]
}
f, ok := worker.funcs[funcname]
f, ok := worker.funcs[job.Fn]
if !ok {
return common.Errorf("The function does not exist: %s", funcname)
return common.Errorf("The function does not exist: %s", job.Fn)
}
var r *result
if f.timeout == 0 {
@ -333,7 +317,7 @@ func execTimeout(f JobFunc, job *Job, timeout time.Duration) (r *result) {
case r = <-rslt:
case <-time.After(timeout):
go job.cancel()
return &result{err:common.ErrExecTimeOut}
return &result{err:common.ErrTimeOut}
}
return r
}