Merge pull request #3 from Clever/merge-from-upstream-master
Merge from upstream master
This commit is contained in:
commit
234596770d
@ -1,6 +1,6 @@
|
||||
language: go
|
||||
go:
|
||||
- 1.2
|
||||
- 1.4
|
||||
|
||||
before_install:
|
||||
- sudo apt-get remove -y gearman-job-server
|
||||
|
85
README.md
85
README.md
@ -37,41 +37,46 @@ Usage
|
||||
|
||||
## Worker
|
||||
|
||||
// Limit number of concurrent jobs execution. Use worker.Unlimited (0) if you want no limitation.
|
||||
w := worker.New(worker.OneByOne)
|
||||
w.ErrHandler = func(e error) {
|
||||
log.Println(e)
|
||||
}
|
||||
w.AddServer("127.0.0.1:4730")
|
||||
// Use worker.Unlimited (0) if you want no timeout
|
||||
w.AddFunc("ToUpper", ToUpper, worker.Unlimited)
|
||||
// This will give a timeout of 5 seconds
|
||||
w.AddFunc("ToUpperTimeOut5", ToUpper, 5)
|
||||
if err := w.Ready(); err != nil {
|
||||
log.Fatal(err)
|
||||
return
|
||||
}
|
||||
go w.Work()
|
||||
|
||||
```go
|
||||
// Limit number of concurrent jobs execution.
|
||||
// Use worker.Unlimited (0) if you want no limitation.
|
||||
w := worker.New(worker.OneByOne)
|
||||
w.ErrHandler = func(e error) {
|
||||
log.Println(e)
|
||||
}
|
||||
w.AddServer("127.0.0.1:4730")
|
||||
// Use worker.Unlimited (0) if you want no timeout
|
||||
w.AddFunc("ToUpper", ToUpper, worker.Unlimited)
|
||||
// This will give a timeout of 5 seconds
|
||||
w.AddFunc("ToUpperTimeOut5", ToUpper, 5)
|
||||
|
||||
if err := w.Ready(); err != nil {
|
||||
log.Fatal(err)
|
||||
return
|
||||
}
|
||||
go w.Work()
|
||||
```
|
||||
|
||||
## Client
|
||||
|
||||
// ...
|
||||
c, err := client.New("tcp4", "127.0.0.1:4730")
|
||||
// ... error handling
|
||||
defer c.Close()
|
||||
c.ErrorHandler = func(e error) {
|
||||
log.Println(e)
|
||||
}
|
||||
echo := []byte("Hello\x00 world")
|
||||
echomsg, err := c.Echo(echo)
|
||||
// ... error handling
|
||||
log.Println(string(echomsg))
|
||||
jobHandler := func(job *client.Job) {
|
||||
log.Printf("%s", job.Data)
|
||||
}
|
||||
handle, err := c.Do("ToUpper", echo, client.JOB_NORMAL, jobHandler)
|
||||
// ...
|
||||
```go
|
||||
// ...
|
||||
c, err := client.New("tcp4", "127.0.0.1:4730")
|
||||
// ... error handling
|
||||
defer c.Close()
|
||||
c.ErrorHandler = func(e error) {
|
||||
log.Println(e)
|
||||
}
|
||||
echo := []byte("Hello\x00 world")
|
||||
echomsg, err := c.Echo(echo)
|
||||
// ... error handling
|
||||
log.Println(string(echomsg))
|
||||
jobHandler := func(resp *client.Response) {
|
||||
log.Printf("%s", resp.Data)
|
||||
}
|
||||
handle, err := c.Do("ToUpper", echo, client.JobNormal, jobHandler)
|
||||
// ...
|
||||
```
|
||||
|
||||
Branches
|
||||
========
|
||||
@ -87,17 +92,29 @@ __Use at your own risk!__
|
||||
Contributors
|
||||
============
|
||||
|
||||
Great thanks to all of you for your support and interest!
|
||||
|
||||
(_Alphabetic order_)
|
||||
|
||||
* [Alex Zylman](https://github.com/azylman)
|
||||
* [C.R. Kirkwood-Watts](https://github.com/kirkwood)
|
||||
* [Damian Gryski](https://github.com/dgryski)
|
||||
* [Gabriel Cristian Alecu](https://github.com/AzuraMeta)
|
||||
* [Graham Barr](https://github.com/gbarr)
|
||||
* [Ingo Oeser](https://github.com/nightlyone)
|
||||
* [jake](https://github.com/jbaikge)
|
||||
* [Joe Higton](https://github.com/draxil)
|
||||
* [Jonathan Wills](https://github.com/runningwild)
|
||||
* [Kevin Darlington](https://github.com/kdar)
|
||||
* [miraclesu](https://github.com/miraclesu)
|
||||
* [Paul Mach](https://github.com/paulmach)
|
||||
* [Randall McPherson](https://github.com/rlmcpherson)
|
||||
* [Sam Grimee](https://github.com/sgrimee)
|
||||
* suchj
|
||||
* [Xing Xing](http://mikespook.com) <mikespook@gmail.com> [@Twitter](http://twitter.com/mikespook)
|
||||
|
||||
Maintainer
|
||||
==========
|
||||
|
||||
* [Xing Xing](http://mikespook.com) <<mikespook@gmail.com>> [@Twitter](http://twitter.com/mikespook)
|
||||
|
||||
Open Source - MIT Software License
|
||||
==================================
|
||||
|
@ -6,6 +6,11 @@ import (
|
||||
"bufio"
|
||||
"net"
|
||||
"sync"
|
||||
"time"
|
||||
)
|
||||
|
||||
var (
|
||||
DefaultTimeout time.Duration = 1000
|
||||
)
|
||||
|
||||
// One client connect to one server.
|
||||
@ -20,17 +25,20 @@ type Client struct {
|
||||
conn net.Conn
|
||||
rw *bufio.ReadWriter
|
||||
|
||||
ResponseTimeout time.Duration // response timeout for do() in ms
|
||||
|
||||
ErrorHandler ErrorHandler
|
||||
}
|
||||
|
||||
// Return a client.
|
||||
func New(network, addr string) (client *Client, err error) {
|
||||
client = &Client{
|
||||
net: network,
|
||||
addr: addr,
|
||||
respHandler: make(map[string]ResponseHandler, queueSize),
|
||||
innerHandler: make(map[string]ResponseHandler, queueSize),
|
||||
in: make(chan *Response, queueSize),
|
||||
net: network,
|
||||
addr: addr,
|
||||
respHandler: make(map[string]ResponseHandler, queueSize),
|
||||
innerHandler: make(map[string]ResponseHandler, queueSize),
|
||||
in: make(chan *Response, queueSize),
|
||||
ResponseTimeout: DefaultTimeout,
|
||||
}
|
||||
client.conn, err = net.Dial(client.net, client.addr)
|
||||
if err != nil {
|
||||
@ -104,6 +112,7 @@ ReadLoop:
|
||||
}
|
||||
if len(leftdata) > 0 { // some data left for processing
|
||||
data = append(leftdata, data...)
|
||||
leftdata = nil
|
||||
}
|
||||
for {
|
||||
l := len(data)
|
||||
@ -145,10 +154,8 @@ func (client *Client) processLoop() {
|
||||
case dtWorkData, dtWorkWarning, dtWorkStatus:
|
||||
resp = client.handleResponse(resp.Handle, resp)
|
||||
case dtWorkComplete, dtWorkFail, dtWorkException:
|
||||
resp = client.handleResponse(resp.Handle, resp)
|
||||
if resp != nil {
|
||||
delete(client.respHandler, resp.Handle)
|
||||
}
|
||||
client.handleResponse(resp.Handle, resp)
|
||||
delete(client.respHandler, resp.Handle)
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -176,27 +183,44 @@ func (client *Client) handleInner(key string, resp *Response) *Response {
|
||||
return resp
|
||||
}
|
||||
|
||||
type handleOrError struct {
|
||||
handle string
|
||||
err error
|
||||
}
|
||||
|
||||
func (client *Client) do(funcname string, data []byte,
|
||||
flag uint32) (handle string, err error) {
|
||||
if client.conn == nil {
|
||||
return "", ErrLostConn
|
||||
}
|
||||
var mutex sync.Mutex
|
||||
mutex.Lock()
|
||||
var result = make(chan handleOrError, 1)
|
||||
client.lastcall = "c"
|
||||
client.innerHandler["c"] = func(resp *Response) {
|
||||
if resp.DataType == dtError {
|
||||
err = getError(resp.Data)
|
||||
result <- handleOrError{"", err}
|
||||
return
|
||||
}
|
||||
handle = resp.Handle
|
||||
mutex.Unlock()
|
||||
result <- handleOrError{handle, nil}
|
||||
}
|
||||
id := IdGen.Id()
|
||||
req := getJob(id, []byte(funcname), data)
|
||||
req.DataType = flag
|
||||
client.write(req)
|
||||
mutex.Lock()
|
||||
if err = client.write(req); err != nil {
|
||||
delete(client.innerHandler, "c")
|
||||
client.lastcall = ""
|
||||
return
|
||||
}
|
||||
var timer = time.After(client.ResponseTimeout * time.Millisecond)
|
||||
select {
|
||||
case ret := <-result:
|
||||
return ret.handle, ret.err
|
||||
case <-timer:
|
||||
delete(client.innerHandler, "c")
|
||||
client.lastcall = ""
|
||||
return "", ErrLostConn
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
@ -249,12 +273,12 @@ func (client *Client) Status(handle string) (status *Status, err error) {
|
||||
mutex.Lock()
|
||||
client.lastcall = "s" + handle
|
||||
client.innerHandler["s"+handle] = func(resp *Response) {
|
||||
defer mutex.Unlock()
|
||||
var err error
|
||||
status, err = resp._status()
|
||||
if err != nil {
|
||||
client.err(err)
|
||||
}
|
||||
mutex.Unlock()
|
||||
}
|
||||
req := getRequest()
|
||||
req.DataType = dtGetStatus
|
||||
|
@ -5,7 +5,7 @@ const (
|
||||
// queue size
|
||||
queueSize = 8
|
||||
// read buffer size
|
||||
bufferSize = 1024
|
||||
bufferSize = 8192
|
||||
// min packet length
|
||||
minPacketLength = 12
|
||||
|
||||
|
@ -11,20 +11,18 @@ const (
|
||||
)
|
||||
|
||||
var (
|
||||
ErrNotFound = errors.New("Server Not Found")
|
||||
SelectWithRate = selectWithRate
|
||||
SelectRandom = selectRandom
|
||||
ErrNotFound = errors.New("Server Not Found")
|
||||
)
|
||||
|
||||
type poolClient struct {
|
||||
type PoolClient struct {
|
||||
*Client
|
||||
Rate int
|
||||
mutex sync.Mutex
|
||||
}
|
||||
|
||||
type SelectionHandler func(map[string]*poolClient, string) string
|
||||
type SelectionHandler func(map[string]*PoolClient, string) string
|
||||
|
||||
func selectWithRate(pool map[string]*poolClient,
|
||||
func SelectWithRate(pool map[string]*PoolClient,
|
||||
last string) (addr string) {
|
||||
total := 0
|
||||
for _, item := range pool {
|
||||
@ -36,7 +34,7 @@ func selectWithRate(pool map[string]*poolClient,
|
||||
return last
|
||||
}
|
||||
|
||||
func selectRandom(pool map[string]*poolClient,
|
||||
func SelectRandom(pool map[string]*PoolClient,
|
||||
last string) (addr string) {
|
||||
r := rand.Intn(len(pool))
|
||||
i := 0
|
||||
@ -52,9 +50,9 @@ func selectRandom(pool map[string]*poolClient,
|
||||
type Pool struct {
|
||||
SelectionHandler SelectionHandler
|
||||
ErrorHandler ErrorHandler
|
||||
Clients map[string]*PoolClient
|
||||
|
||||
clients map[string]*poolClient
|
||||
last string
|
||||
last string
|
||||
|
||||
mutex sync.Mutex
|
||||
}
|
||||
@ -62,7 +60,7 @@ type Pool struct {
|
||||
// Return a new pool.
|
||||
func NewPool() (pool *Pool) {
|
||||
return &Pool{
|
||||
clients: make(map[string]*poolClient, poolSize),
|
||||
Clients: make(map[string]*PoolClient, poolSize),
|
||||
SelectionHandler: SelectWithRate,
|
||||
}
|
||||
}
|
||||
@ -71,16 +69,16 @@ func NewPool() (pool *Pool) {
|
||||
func (pool *Pool) Add(net, addr string, rate int) (err error) {
|
||||
pool.mutex.Lock()
|
||||
defer pool.mutex.Unlock()
|
||||
var item *poolClient
|
||||
var item *PoolClient
|
||||
var ok bool
|
||||
if item, ok = pool.clients[addr]; ok {
|
||||
if item, ok = pool.Clients[addr]; ok {
|
||||
item.Rate = rate
|
||||
} else {
|
||||
var client *Client
|
||||
client, err = New(net, addr)
|
||||
if err == nil {
|
||||
item = &poolClient{Client: client, Rate: rate}
|
||||
pool.clients[addr] = item
|
||||
item = &PoolClient{Client: client, Rate: rate}
|
||||
pool.Clients[addr] = item
|
||||
}
|
||||
}
|
||||
return
|
||||
@ -90,7 +88,7 @@ func (pool *Pool) Add(net, addr string, rate int) (err error) {
|
||||
func (pool *Pool) Remove(addr string) {
|
||||
pool.mutex.Lock()
|
||||
defer pool.mutex.Unlock()
|
||||
delete(pool.clients, addr)
|
||||
delete(pool.Clients, addr)
|
||||
}
|
||||
|
||||
func (pool *Pool) Do(funcname string, data []byte,
|
||||
@ -116,7 +114,7 @@ func (pool *Pool) DoBg(funcname string, data []byte,
|
||||
// Get job status from job server.
|
||||
// !!!Not fully tested.!!!
|
||||
func (pool *Pool) Status(addr, handle string) (status *Status, err error) {
|
||||
if client, ok := pool.clients[addr]; ok {
|
||||
if client, ok := pool.Clients[addr]; ok {
|
||||
client.Lock()
|
||||
defer client.Unlock()
|
||||
status, err = client.Status(handle)
|
||||
@ -128,12 +126,12 @@ func (pool *Pool) Status(addr, handle string) (status *Status, err error) {
|
||||
|
||||
// Send a something out, get the samething back.
|
||||
func (pool *Pool) Echo(addr string, data []byte) (echo []byte, err error) {
|
||||
var client *poolClient
|
||||
var client *PoolClient
|
||||
if addr == "" {
|
||||
client = pool.selectServer()
|
||||
} else {
|
||||
var ok bool
|
||||
if client, ok = pool.clients[addr]; !ok {
|
||||
if client, ok = pool.Clients[addr]; !ok {
|
||||
err = ErrNotFound
|
||||
return
|
||||
}
|
||||
@ -147,18 +145,18 @@ func (pool *Pool) Echo(addr string, data []byte) (echo []byte, err error) {
|
||||
// Close
|
||||
func (pool *Pool) Close() (err map[string]error) {
|
||||
err = make(map[string]error)
|
||||
for _, c := range pool.clients {
|
||||
for _, c := range pool.Clients {
|
||||
err[c.addr] = c.Close()
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
// selecting server
|
||||
func (pool *Pool) selectServer() (client *poolClient) {
|
||||
func (pool *Pool) selectServer() (client *PoolClient) {
|
||||
for client == nil {
|
||||
addr := pool.SelectionHandler(pool.clients, pool.last)
|
||||
addr := pool.SelectionHandler(pool.Clients, pool.last)
|
||||
var ok bool
|
||||
if client, ok = pool.clients[addr]; ok {
|
||||
if client, ok = pool.Clients[addr]; ok {
|
||||
pool.last = addr
|
||||
break
|
||||
}
|
||||
|
@ -18,8 +18,8 @@ func TestPoolAdd(t *testing.T) {
|
||||
t.Log(err)
|
||||
c -= 1
|
||||
}
|
||||
if len(pool.clients) != c {
|
||||
t.Errorf("%d servers expected, %d got.", c, len(pool.clients))
|
||||
if len(pool.Clients) != c {
|
||||
t.Errorf("%d servers expected, %d got.", c, len(pool.Clients))
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -76,7 +76,7 @@ func decodeResponse(data []byte) (resp *Response, l int, err error) {
|
||||
case dtJobCreated:
|
||||
resp.Handle = string(dt)
|
||||
case dtStatusRes, dtWorkData, dtWorkWarning, dtWorkStatus,
|
||||
dtWorkComplete, dtWorkFail, dtWorkException:
|
||||
dtWorkComplete, dtWorkException:
|
||||
s := bytes.SplitN(dt, []byte{'\x00'}, 2)
|
||||
if len(s) >= 2 {
|
||||
resp.Handle = string(s[0])
|
||||
@ -85,6 +85,14 @@ func decodeResponse(data []byte) (resp *Response, l int, err error) {
|
||||
err = fmt.Errorf("Invalid data: %v", data)
|
||||
return
|
||||
}
|
||||
case dtWorkFail:
|
||||
s := bytes.SplitN(dt, []byte{'\x00'}, 2)
|
||||
if len(s) >= 1 {
|
||||
resp.Handle = string(s[0])
|
||||
} else {
|
||||
err = fmt.Errorf("Invalid data: %v", data)
|
||||
return
|
||||
}
|
||||
case dtEchoRes:
|
||||
fallthrough
|
||||
default:
|
||||
|
@ -3,8 +3,8 @@ package main
|
||||
import (
|
||||
"github.com/mikespook/gearman-go/client"
|
||||
"log"
|
||||
"sync"
|
||||
"os"
|
||||
"sync"
|
||||
)
|
||||
|
||||
func main() {
|
||||
|
@ -1,13 +1,14 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"github.com/mikespook/gearman-go/worker"
|
||||
"github.com/mikespook/golib/signal"
|
||||
"log"
|
||||
"net"
|
||||
"os"
|
||||
"strings"
|
||||
"time"
|
||||
"net"
|
||||
|
||||
"github.com/mikespook/gearman-go/worker"
|
||||
"github.com/mikespook/golib/signal"
|
||||
)
|
||||
|
||||
func ToUpper(job worker.Job) ([]byte, error) {
|
||||
@ -41,7 +42,7 @@ func main() {
|
||||
w.ErrorHandler = func(e error) {
|
||||
log.Println(e)
|
||||
if opErr, ok := e.(*net.OpError); ok {
|
||||
if ! opErr.Temporary() {
|
||||
if !opErr.Temporary() {
|
||||
proc, err := os.FindProcess(os.Getpid())
|
||||
if err != nil {
|
||||
log.Println(err)
|
||||
@ -68,7 +69,6 @@ func main() {
|
||||
return
|
||||
}
|
||||
go w.Work()
|
||||
sh := signal.NewHandler()
|
||||
sh.Bind(os.Interrupt, func() bool { return true })
|
||||
sh.Loop()
|
||||
signal.Bind(os.Interrupt, func() uint { return signal.BreakExit })
|
||||
signal.Wait()
|
||||
}
|
||||
|
117
worker/agent.go
117
worker/agent.go
@ -2,7 +2,9 @@ package worker
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"bytes"
|
||||
"encoding/binary"
|
||||
"io"
|
||||
"net"
|
||||
"sync"
|
||||
)
|
||||
@ -47,19 +49,25 @@ func (a *agent) work() {
|
||||
a.worker.err(err.(error))
|
||||
}
|
||||
}()
|
||||
|
||||
var inpack *inPack
|
||||
var l int
|
||||
var err error
|
||||
var data, leftdata []byte
|
||||
for {
|
||||
if data, err = a.read(bufferSize); err != nil {
|
||||
if data, err = a.read(); err != nil {
|
||||
if opErr, ok := err.(*net.OpError); ok {
|
||||
if opErr.Timeout() {
|
||||
a.worker.err(err)
|
||||
}
|
||||
if opErr.Temporary() {
|
||||
continue
|
||||
} else {
|
||||
a.disconnect_error(err)
|
||||
// else - we're probably dc'ing due to a Close()
|
||||
|
||||
break
|
||||
}
|
||||
|
||||
} else if err == io.EOF {
|
||||
a.disconnect_error(err)
|
||||
break
|
||||
}
|
||||
a.worker.err(err)
|
||||
@ -83,17 +91,33 @@ func (a *agent) work() {
|
||||
leftdata = data
|
||||
continue
|
||||
}
|
||||
if inpack, l, err = decodeInPack(data); err != nil {
|
||||
a.worker.err(err)
|
||||
leftdata = data
|
||||
continue
|
||||
for {
|
||||
if inpack, l, err = decodeInPack(data); err != nil {
|
||||
a.worker.err(err)
|
||||
leftdata = data
|
||||
break
|
||||
} else {
|
||||
leftdata = nil
|
||||
inpack.a = a
|
||||
a.worker.in <- inpack
|
||||
if len(data) == l {
|
||||
break
|
||||
}
|
||||
if len(data) > l {
|
||||
data = data[l:]
|
||||
}
|
||||
}
|
||||
}
|
||||
leftdata = nil
|
||||
inpack.a = a
|
||||
a.worker.in <- inpack
|
||||
if len(data) > l {
|
||||
leftdata = data[l:]
|
||||
}
|
||||
}
|
||||
|
||||
func (a *agent) disconnect_error(err error) {
|
||||
if a.conn != nil {
|
||||
err = &WorkerDisconnectError{
|
||||
err: err,
|
||||
agent: a,
|
||||
}
|
||||
a.worker.err(err)
|
||||
}
|
||||
}
|
||||
|
||||
@ -109,6 +133,10 @@ func (a *agent) Close() {
|
||||
func (a *agent) Grab() {
|
||||
a.Lock()
|
||||
defer a.Unlock()
|
||||
a.grab()
|
||||
}
|
||||
|
||||
func (a *agent) grab() {
|
||||
outpack := getOutPack()
|
||||
outpack.dataType = dtGrabJobUniq
|
||||
a.write(outpack)
|
||||
@ -122,21 +150,49 @@ func (a *agent) PreSleep() {
|
||||
a.write(outpack)
|
||||
}
|
||||
|
||||
// read length bytes from the socket
|
||||
func (a *agent) read(length int) (data []byte, err error) {
|
||||
n := 0
|
||||
buf := getBuffer(bufferSize)
|
||||
// read until data can be unpacked
|
||||
for i := length; i > 0 || len(data) < minPacketLength; i -= n {
|
||||
if n, err = a.rw.Read(buf); err != nil {
|
||||
return
|
||||
}
|
||||
data = append(data, buf[0:n]...)
|
||||
if n < bufferSize {
|
||||
break
|
||||
}
|
||||
func (a *agent) reconnect() error {
|
||||
a.Lock()
|
||||
defer a.Unlock()
|
||||
conn, err := net.Dial(a.net, a.addr)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return
|
||||
a.conn = conn
|
||||
a.rw = bufio.NewReadWriter(bufio.NewReader(a.conn),
|
||||
bufio.NewWriter(a.conn))
|
||||
a.grab()
|
||||
a.worker.reRegisterFuncsForAgent(a)
|
||||
|
||||
go a.work()
|
||||
return nil
|
||||
}
|
||||
|
||||
// read length bytes from the socket
|
||||
func (a *agent) read() (data []byte, err error) {
|
||||
n := 0
|
||||
|
||||
tmp := getBuffer(bufferSize)
|
||||
var buf bytes.Buffer
|
||||
|
||||
// read the header so we can get the length of the data
|
||||
if n, err = a.rw.Read(tmp); err != nil {
|
||||
return
|
||||
}
|
||||
dl := int(binary.BigEndian.Uint32(tmp[8:12]))
|
||||
|
||||
// write what we read so far
|
||||
buf.Write(tmp[:n])
|
||||
|
||||
// read until we receive all the data
|
||||
for buf.Len() < dl+minPacketLength {
|
||||
if n, err = a.rw.Read(tmp); err != nil {
|
||||
return buf.Bytes(), err
|
||||
}
|
||||
|
||||
buf.Write(tmp[:n])
|
||||
}
|
||||
|
||||
return buf.Bytes(), err
|
||||
}
|
||||
|
||||
// Internal write the encoded job.
|
||||
@ -151,3 +207,10 @@ func (a *agent) write(outpack *outPack) (err error) {
|
||||
}
|
||||
return a.rw.Flush()
|
||||
}
|
||||
|
||||
// Write with lock
|
||||
func (a *agent) Write(outpack *outPack) (err error) {
|
||||
a.Lock()
|
||||
defer a.Unlock()
|
||||
return a.write(outpack)
|
||||
}
|
||||
|
@ -19,15 +19,15 @@ const (
|
||||
// It can connect to multi-server and grab jobs.
|
||||
type Worker struct {
|
||||
sync.Mutex
|
||||
agents []*agent
|
||||
funcs jobFuncs
|
||||
in chan *inPack
|
||||
running bool
|
||||
ready bool
|
||||
agents []*agent
|
||||
funcs jobFuncs
|
||||
in chan *inPack
|
||||
running bool
|
||||
ready bool
|
||||
// The shuttingDown variable is protected by the Worker lock
|
||||
shuttingDown bool
|
||||
// Used during shutdown to wait for all active jobs to finish
|
||||
activeJobs sync.WaitGroup
|
||||
// Used during shutdown to wait for all active jobs to finish
|
||||
activeJobs sync.WaitGroup
|
||||
|
||||
Id string
|
||||
ErrorHandler ErrorHandler
|
||||
@ -99,6 +99,11 @@ func (worker *Worker) AddFunc(funcname string,
|
||||
|
||||
// inner add
|
||||
func (worker *Worker) addFunc(funcname string, timeout uint32) {
|
||||
outpack := prepFuncOutpack(funcname, timeout)
|
||||
worker.broadcast(outpack)
|
||||
}
|
||||
|
||||
func prepFuncOutpack(funcname string, timeout uint32) *outPack {
|
||||
outpack := getOutPack()
|
||||
if timeout == 0 {
|
||||
outpack.dataType = dtCanDo
|
||||
@ -111,7 +116,7 @@ func (worker *Worker) addFunc(funcname string, timeout uint32) {
|
||||
outpack.data[l] = '\x00'
|
||||
binary.BigEndian.PutUint32(outpack.data[l+1:], timeout)
|
||||
}
|
||||
worker.broadcast(outpack)
|
||||
return outpack
|
||||
}
|
||||
|
||||
// Remove a function.
|
||||
@ -200,11 +205,6 @@ func (worker *Worker) Work() {
|
||||
}
|
||||
}
|
||||
|
||||
defer func() {
|
||||
for _, a := range worker.agents {
|
||||
a.Close()
|
||||
}
|
||||
}()
|
||||
worker.running = true
|
||||
for _, a := range worker.agents {
|
||||
a.Grab()
|
||||
@ -227,8 +227,11 @@ func (worker *Worker) customeHandler(inpack *inPack) {
|
||||
// Close connection and exit main loop
|
||||
func (worker *Worker) Close() {
|
||||
worker.Lock()
|
||||
worker.Unlock()
|
||||
defer worker.Unlock()
|
||||
if worker.running == true {
|
||||
for _, a := range worker.agents {
|
||||
a.Close()
|
||||
}
|
||||
worker.running = false
|
||||
close(worker.in)
|
||||
}
|
||||
@ -323,10 +326,19 @@ func (worker *Worker) exec(inpack *inPack) (err error) {
|
||||
}
|
||||
outpack.handle = inpack.handle
|
||||
outpack.data = r.data
|
||||
inpack.a.write(outpack)
|
||||
inpack.a.Write(outpack)
|
||||
}
|
||||
return
|
||||
}
|
||||
func (worker *Worker) reRegisterFuncsForAgent(a *agent) {
|
||||
worker.Lock()
|
||||
defer worker.Unlock()
|
||||
for funcname, f := range worker.funcs {
|
||||
outpack := prepFuncOutpack(funcname, f.timeout)
|
||||
a.write(outpack)
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// inner result
|
||||
type result struct {
|
||||
@ -350,3 +362,23 @@ func execTimeout(f JobFunc, job Job, timeout time.Duration) (r *result) {
|
||||
}
|
||||
return r
|
||||
}
|
||||
|
||||
// Error type passed when a worker connection disconnects
|
||||
type WorkerDisconnectError struct {
|
||||
err error
|
||||
agent *agent
|
||||
}
|
||||
|
||||
func (e *WorkerDisconnectError) Error() string {
|
||||
return e.err.Error()
|
||||
}
|
||||
|
||||
// Responds to the error by asking the worker to reconnect
|
||||
func (e *WorkerDisconnectError) Reconnect() (err error) {
|
||||
return e.agent.reconnect()
|
||||
}
|
||||
|
||||
// Which server was this for?
|
||||
func (e *WorkerDisconnectError) Server() (net string, addr string) {
|
||||
return e.agent.net, e.agent.addr
|
||||
}
|
||||
|
243
worker/worker_disconnect_test.go
Normal file
243
worker/worker_disconnect_test.go
Normal file
@ -0,0 +1,243 @@
|
||||
package worker
|
||||
|
||||
import (
|
||||
"../client"
|
||||
"log"
|
||||
"net"
|
||||
"os/exec"
|
||||
"testing"
|
||||
"time"
|
||||
)
|
||||
|
||||
const port = `3700`
|
||||
|
||||
var gearman_ready chan bool
|
||||
var kill_gearman chan bool
|
||||
var bye chan bool
|
||||
|
||||
func init() {
|
||||
|
||||
if check_gearman_present() {
|
||||
panic(`Something already listening on our testing port. Chickening out of testing with it!`)
|
||||
}
|
||||
gearman_ready = make(chan bool)
|
||||
kill_gearman = make(chan bool)
|
||||
// TODO: verify port is clear
|
||||
go run_gearman()
|
||||
}
|
||||
|
||||
func run_gearman() {
|
||||
gm_cmd := exec.Command(`/usr/sbin/gearmand`, `--port`, port)
|
||||
start_err := gm_cmd.Start()
|
||||
|
||||
if start_err != nil {
|
||||
panic(`could not start gearman, aborting test :` + start_err.Error())
|
||||
}
|
||||
|
||||
// Make sure we clear up our gearman:
|
||||
defer func() {
|
||||
gm_cmd.Process.Kill()
|
||||
}()
|
||||
|
||||
for tries := 10; tries > 0; tries-- {
|
||||
if check_gearman_present() {
|
||||
break
|
||||
}
|
||||
time.Sleep(250 * time.Millisecond)
|
||||
}
|
||||
|
||||
if !check_gearman_present() {
|
||||
panic(`Unable to start gearman aborting test`)
|
||||
}
|
||||
gearman_ready <- true
|
||||
|
||||
<-kill_gearman
|
||||
}
|
||||
|
||||
func check_gearman_present() bool {
|
||||
con, err := net.Dial(`tcp`, `127.0.0.1:`+port)
|
||||
if err != nil {
|
||||
return false
|
||||
}
|
||||
con.Close()
|
||||
return true
|
||||
}
|
||||
|
||||
func check_gearman_is_dead() bool {
|
||||
|
||||
for tries := 10; tries > 0; tries-- {
|
||||
if !check_gearman_present() {
|
||||
return true
|
||||
}
|
||||
time.Sleep(250 * time.Millisecond)
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
/*
|
||||
Checks for a disconnect whilst not working
|
||||
*/
|
||||
func TestBasicDisconnect(t *testing.T) {
|
||||
<-gearman_ready
|
||||
|
||||
worker := New(Unlimited)
|
||||
timeout := make(chan bool, 1)
|
||||
done := make(chan bool, 1)
|
||||
|
||||
if err := worker.AddServer(Network, "127.0.0.1:"+port); err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
work_done := false
|
||||
if err := worker.AddFunc("gearman-go-workertest",
|
||||
func(j Job) (b []byte, e error) {
|
||||
work_done = true
|
||||
done <- true
|
||||
return
|
||||
}, 0); err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
handled_errors := false
|
||||
|
||||
c_error := make(chan bool)
|
||||
was_dc_err := false
|
||||
worker.ErrorHandler = func(e error) {
|
||||
log.Println(e)
|
||||
_, was_dc_err = e.(*WorkerDisconnectError)
|
||||
handled_errors = true
|
||||
c_error <- true
|
||||
}
|
||||
|
||||
go func() {
|
||||
time.Sleep(5 * time.Second)
|
||||
timeout <- true
|
||||
}()
|
||||
|
||||
err := worker.Ready()
|
||||
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
go worker.Work()
|
||||
|
||||
kill_gearman <- true
|
||||
|
||||
check_gearman_is_dead()
|
||||
go run_gearman()
|
||||
|
||||
select {
|
||||
case <-gearman_ready:
|
||||
case <-timeout:
|
||||
}
|
||||
|
||||
send_client_request()
|
||||
|
||||
select {
|
||||
case <-done:
|
||||
t.Error("Client request handled (somehow), did we magically reconnect?")
|
||||
case <-timeout:
|
||||
t.Error("Test timed out waiting for the error handler")
|
||||
case <-c_error:
|
||||
// error was handled!
|
||||
if !was_dc_err {
|
||||
t.Error("Disconnect didn't manifest as a net.OpError?")
|
||||
}
|
||||
}
|
||||
worker.Close()
|
||||
kill_gearman <- true
|
||||
|
||||
}
|
||||
|
||||
func TestDcRc(t *testing.T) {
|
||||
check_gearman_is_dead()
|
||||
go run_gearman()
|
||||
|
||||
<-gearman_ready
|
||||
|
||||
worker := New(Unlimited)
|
||||
timeout := make(chan bool, 1)
|
||||
done := make(chan bool, 1)
|
||||
|
||||
if err := worker.AddServer(Network, "127.0.0.1:"+port); err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
work_done := false
|
||||
if err := worker.AddFunc("gearman-go-workertest",
|
||||
func(j Job) (b []byte, e error) {
|
||||
log.Println("Actual work happens!")
|
||||
work_done = true
|
||||
done <- true
|
||||
return
|
||||
}, 0); err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
worker.ErrorHandler = func(e error) {
|
||||
wdc, wdcok := e.(*WorkerDisconnectError)
|
||||
|
||||
if wdcok {
|
||||
log.Println("Reconnecting!")
|
||||
reconnected := false
|
||||
for tries := 20; !reconnected && tries > 0; tries-- {
|
||||
rcerr := wdc.Reconnect()
|
||||
if rcerr != nil {
|
||||
time.Sleep(250 * time.Millisecond)
|
||||
} else {
|
||||
reconnected = true
|
||||
}
|
||||
}
|
||||
|
||||
} else {
|
||||
panic("Some other kind of error " + e.Error())
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
go func() {
|
||||
time.Sleep(5 * time.Second)
|
||||
timeout <- true
|
||||
}()
|
||||
|
||||
err := worker.Ready()
|
||||
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
go worker.Work()
|
||||
|
||||
kill_gearman <- true
|
||||
|
||||
check_gearman_is_dead()
|
||||
go run_gearman()
|
||||
|
||||
select {
|
||||
case <-gearman_ready:
|
||||
case <-timeout:
|
||||
}
|
||||
|
||||
send_client_request()
|
||||
|
||||
select {
|
||||
case <-done:
|
||||
case <-timeout:
|
||||
t.Error("Test timed out")
|
||||
}
|
||||
worker.Close()
|
||||
kill_gearman <- true
|
||||
|
||||
}
|
||||
|
||||
func send_client_request() {
|
||||
c, err := client.New(Network, "127.0.0.1:"+port)
|
||||
if err == nil {
|
||||
_, err = c.DoBg("gearman-go-workertest", []byte{}, client.JobHigh)
|
||||
if err != nil {
|
||||
log.Println("error sending client request " + err.Error())
|
||||
}
|
||||
|
||||
} else {
|
||||
log.Println("error with client " + err.Error())
|
||||
}
|
||||
}
|
@ -1,6 +1,7 @@
|
||||
package worker
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"errors"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
@ -80,6 +81,62 @@ func TestWork(t *testing.T) {
|
||||
wg.Wait()
|
||||
}
|
||||
|
||||
func TestLargeDataWork(t *testing.T) {
|
||||
worker := New(Unlimited)
|
||||
defer worker.Close()
|
||||
|
||||
if err := worker.AddServer(Network, "127.0.0.1:4730"); err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
worker.Ready()
|
||||
|
||||
l := 5714
|
||||
var wg sync.WaitGroup
|
||||
|
||||
bigdataHandler := func(job Job) error {
|
||||
defer wg.Done()
|
||||
if len(job.Data()) != l {
|
||||
t.Errorf("expected length %d. got %d.", l, len(job.Data()))
|
||||
}
|
||||
return nil
|
||||
}
|
||||
if err := worker.AddFunc("bigdata", foobar, 0); err != nil {
|
||||
defer wg.Done()
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
worker.JobHandler = bigdataHandler
|
||||
|
||||
worker.ErrorHandler = func(err error) {
|
||||
t.Fatal("shouldn't have received an error")
|
||||
}
|
||||
|
||||
if err := worker.Ready(); err != nil {
|
||||
t.Error(err)
|
||||
return
|
||||
}
|
||||
go worker.Work()
|
||||
wg.Add(1)
|
||||
|
||||
// var cli *client.Client
|
||||
// var err error
|
||||
// if cli, err = client.New(client.Network, "127.0.0.1:4730"); err != nil {
|
||||
// t.Fatal(err)
|
||||
// }
|
||||
// cli.ErrorHandler = func(e error) {
|
||||
// t.Error(e)
|
||||
// }
|
||||
|
||||
// _, err = cli.Do("bigdata", bytes.Repeat([]byte("a"), l), client.JobLow, func(res *client.Response) {
|
||||
// })
|
||||
// if err != nil {
|
||||
// t.Error(err)
|
||||
// }
|
||||
|
||||
worker.Echo(bytes.Repeat([]byte("a"), l))
|
||||
wg.Wait()
|
||||
}
|
||||
|
||||
func TestWorkerClose(t *testing.T) {
|
||||
worker.Close()
|
||||
}
|
||||
@ -116,7 +173,7 @@ func TestWorkWithoutReady(t *testing.T) {
|
||||
// With the all-in-one Work() we don't know if the
|
||||
// worker is ready at this stage so we may have to wait a sec:
|
||||
go func() {
|
||||
tries := 3
|
||||
tries := 5
|
||||
for tries > 0 {
|
||||
if other_worker.ready {
|
||||
other_worker.Echo([]byte("Hello"))
|
||||
@ -124,7 +181,7 @@ func TestWorkWithoutReady(t *testing.T) {
|
||||
}
|
||||
|
||||
// still waiting for it to be ready..
|
||||
time.Sleep(1 * time.Second)
|
||||
time.Sleep(250 * time.Millisecond)
|
||||
tries--
|
||||
}
|
||||
}()
|
||||
|
Loading…
Reference in New Issue
Block a user