// Connect to the database, and initial setup
func connectToDatabase(host string, port int) {
var err error
// connect to the db
if db, err = as.NewClient(host, port); err != nil {
panic(err)
}
readPolicy = as.NewPolicy()
writePolicy = as.NewWritePolicy(0, 0)
scanPolicy = as.NewScanPolicy()
// index on offer_id of bids, so we can find bids on a given offer
if _, err := db.CreateIndex(writePolicy, "test", BIDS, "idx:br:1", "offer_id", as.NUMERIC); err != nil {
fmt.Printf("Create Index Failed: %s\n", err.Error())
}
// index on broker_id of bids, so we can find bids by a particular broker
if _, err := db.CreateIndex(writePolicy, "test", BIDS, "idx:br:2", "broker_id", as.NUMERIC); err != nil {
fmt.Printf("Create Index Failed: %s\n", err.Error())
}
// index on broker_id of offers, so we can find offers by a particular broker
if _, err := db.CreateIndex(writePolicy, "test", OFFERS, "idx:br:3", "broker_id", as.NUMERIC); err != nil {
fmt.Printf("Create Index Failed: %s\n", err.Error())
}
// index on ticker of prices
if _, err := db.CreateIndex(writePolicy, "test", PRICES, "idx:br:4", "ticker", as.STRING); err != nil {
fmt.Printf("Create Index Failed: %s\n", err.Error())
}
}
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
// defer client.Close()
client, err = as.NewClient("172.31.53.227", 3000)
fmt.Println(client)
panicOnError(err)
writePolicy = as.NewWritePolicy(0, 0)
ch = make(chan Event, 1)
key, err := as.NewKey("test", "totals", "test")
panicOnError(err)
// define some bins with data
bins := as.BinMap{
"value": 100,
}
err = client.Put(nil, key, bins)
panicOnError(err)
time.AfterFunc(1*time.Second, func() {
for i := 1; i < 24; i++ {
fmt.Println("starting worker %d", i)
go worker(ch)
}
})
http.HandleFunc("/vote", voteHandler)
http.HandleFunc("/loaderio-35df9c4fffde902e3b0e3e0115816d82.html", validationHandler)
http.ListenAndServe(":80", nil)
}
func (c *client) lockKey(key *as.Key) error {
writePolicy := as.NewWritePolicy(0, -1)
writePolicy.RecordExistsAction = as.CREATE_ONLY
lockBin := as.NewBin(binLockName, "true")
return c.asClient.PutBins(writePolicy, key, lockBin)
}
// NewEnv stores a new env.
func NewEnv(as *aerospike.Client, env string, description string) error {
key, err := envKey(env)
if err != nil {
return err
}
wp := aerospike.NewWritePolicy(0, 0)
wp.RecordExistsAction = aerospike.CREATE_ONLY
return as.PutObject(wp, key, &EnvData{Description: description})
}
func (c *client) writeData(key *as.Key, result interface{}, expire time.Duration) {
writePolicy := as.NewWritePolicy(0, int32(expire.Seconds()))
value, err := json.Marshal(result)
panicOnError(err)
lockBin := as.NewBin(binLockName, nil)
dataBin := as.NewBin(binDataName, string(value))
err = c.asClient.PutBins(writePolicy, key, lockBin, dataBin)
panicOnError(err)
}
func main() {
// flags
host := flag.String("h", "127.0.0.1", "host")
port := flag.Int("p", 3000, "port")
del := flag.Bool("del", false, "delete?")
flag.Parse()
// connect to Aerospike
if h, found := os.LookupEnv("AEROSPIKE_PORT_3000_TCP_ADDR"); found {
*host = h
}
cl, err := asc.NewClient(*host, *port)
panicOnErr(err)
key, err := asc.NewKey("test", "aerospike", "key")
panicOnErr(err)
// define some bins with data
bins := asc.BinMap{
"bin1": 42,
"bin2": "elephant",
"bin3": []interface{}{"Go", 2009},
}
// write the bins
wp := asc.NewWritePolicy(0, 0)
wp.SendKey = true // also send the key itself
err = cl.Put(wp, key, bins)
panicOnErr(err)
rec, err := cl.Get(nil, key)
panicOnErr(err)
_, _ = pp.Printf("key: %v\nbins: %v\n", *rec.Key, rec.Bins)
// scan all data
rs, err := cl.ScanAll(nil, "test", "aerospike")
panicOnErr(err)
defer rs.Close()
for r := range rs.Results() {
_, _ = pp.Println(*r.Record.Key, r.Record.Bins)
}
if *del {
existed, err := cl.Delete(nil, key)
panicOnErr(err)
fmt.Printf("Record existed before delete? %v\n", existed)
}
}
func runExample(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "touchkey")
bin := as.NewBin("touchbin", "touchvalue")
log.Printf("Create record with 2 second expiration.")
writePolicy := as.NewWritePolicy(0, 2)
client.PutBins(writePolicy, key, bin)
log.Printf("Touch same record with 5 second expiration.")
writePolicy.Expiration = 5
record, err := client.Operate(writePolicy, key, as.TouchOp(), as.GetHeaderOp())
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, nil)
}
if record.Expiration == 0 {
log.Fatalf(
"Failed to get record expiration: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
log.Printf("Sleep 3 seconds.")
time.Sleep(3 * time.Second)
record, err = client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
log.Printf("Success. Record still exists.")
log.Printf("Sleep 4 seconds.")
time.Sleep(4 * time.Second)
record, err = client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Printf("Success. Record expired as expected.")
} else {
log.Fatalf("Found record when it should have expired.")
}
}
/**
* Write and twice read a non-expiring tuple using the new "NoExpire" value (-1).
* This example is most effective when the Default Namespace Time To Live (TTL)
* is set to a small value, such as 5 seconds. When we sleep beyond that
* time, we show that the NoExpire TTL flag actually works.
*/
func noExpireExample(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "expirekey")
bin := as.NewBin("expirebin", "noexpirevalue")
log.Printf("Put: namespace=%s set=%s key=%s bin=%s value=%s expiration=NoExpire",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value)
// Specify that record NEVER expires.
// The "Never Expire" value is -1, or 0xFFFFFFFF.
writePolicy := as.NewWritePolicy(0, 2)
writePolicy.Expiration = math.MaxUint32
client.PutBins(writePolicy, key, bin)
// Read the record, showing it is there.
log.Printf("Get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
record, err := client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Fatalf(
"Failed to get record: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
received := record.Bins[bin.Name]
expected := bin.Value.String()
if received == expected {
log.Printf("Get record successful: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, received)
} else {
log.Fatalf("Expire record mismatch: Expected %s. Received %s.",
expected, received)
}
// Read this Record after the Default Expiration, showing it is still there.
// We should have set the Namespace TTL at 5 sec.
log.Printf("Sleeping for 10 seconds ...")
time.Sleep(10 * time.Second)
record, err = client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Fatalf("Record expired and should NOT have.")
} else {
log.Printf("Found Record (correctly) after default TTL.")
}
}
// putEntry store data to cache
func (as *AeroSpikeClient) putEntry(key *AeroSpikeKey, data IEntryData, ttl time.Duration) {
aKey, _ := as.createKey(key)
policy := aerospike.NewWritePolicy(0, int32(ttl.Seconds()))
policy.MaxRetries = maxRetries
bins := data.Export()
bins["tags"] = key.Tags
bins["id"] = key.Pk
if err := as.client.Put(policy, aKey, bins); err != nil {
log.Printf("PutExternal error: %s", err)
}
return
}
// UpdateService updates the data associated with a service.
func UpdateService(
as *aerospike.Client, env string, service string, description string,
isPublic bool, liveCodeVersion int64) (
err error) {
key, err := serviceKey(env, service)
if err != nil {
return err
}
wp := aerospike.NewWritePolicy(0, 0)
wp.RecordExistsAction = aerospike.UPDATE_ONLY
return as.PutBins(
wp, key,
aerospike.NewBin("Desc", description),
aerospike.NewBin("IsPub", btoi(isPublic)),
aerospike.NewBin("LiveVer", liveCodeVersion),
)
}
/**
* Write and twice read an expiration record.
*/
func expireExample(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "expirekey ")
bin := as.NewBin("expirebin", "expirevalue")
log.Printf("Put: namespace=%s set=%s key=%s bin=%s value=%s expiration=2",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value)
// Specify that record expires 2 seconds after it's written.
writePolicy := as.NewWritePolicy(0, 2)
client.PutBins(writePolicy, key, bin)
// Read the record before it expires, showing it is there.
log.Printf("Get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
record, err := client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Fatalf(
"Failed to get record: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
received := record.Bins[bin.Name]
expected := bin.Value.String()
if received == expected {
log.Printf("Get record successful: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, received)
} else {
log.Fatalf("Expire record mismatch: Expected %s. Received %s.",
expected, received)
}
// Read the record after it expires, showing it's gone.
log.Printf("Sleeping for 3 seconds ...")
time.Sleep(3 * time.Second)
record, err = client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Printf("Expiry of record successful. Record not found.")
} else {
log.Fatalf("Found record when it should have expired.")
}
}
func runReplaceExample(client *as.Client) {
key, err := as.NewKey(*shared.Namespace, *shared.Set, "replacekey")
shared.PanicOnError(err)
bin1 := as.NewBin("bin1", "value1")
bin2 := as.NewBin("bin2", "value2")
bin3 := as.NewBin("bin3", "value3")
log.Printf("Put: namespace=%s set=%s key=%s bin1=%s value1=%s bin2=%s value2=%s",
key.Namespace(), key.SetName(), key.Value(), bin1.Name, bin1.Value, bin2.Name, bin2.Value)
client.PutBins(shared.WritePolicy, key, bin1, bin2)
log.Printf("Replace with: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin3.Name, bin3.Value)
wpolicy := as.NewWritePolicy(0, 0)
wpolicy.RecordExistsAction = as.REPLACE
client.PutBins(wpolicy, key, bin3)
log.Printf("Get: namespace=%s set=%s key=%s", key.Namespace(), key.SetName(), key.Value())
record, err := client.Get(shared.Policy, key)
shared.PanicOnError(err)
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s", key.Namespace(), key.SetName(), key.Value())
}
if record.Bins[bin1.Name] == nil {
log.Printf(bin1.Name + " was deleted as expected.")
} else {
log.Fatalln(bin1.Name + " found when it should have been deleted.")
}
if record.Bins[bin2.Name] == nil {
log.Printf(bin2.Name + " was deleted as expected.")
} else {
log.Fatalln(bin2.Name + " found when it should have been deleted.")
}
shared.ValidateBin(key, bin3, record)
}
// NewService stores a new service.
func NewService(
as *aerospike.Client, env string, service string,
description string, isPublic bool) error {
key, err := serviceKey(env, service)
if err != nil {
return err
}
wp := aerospike.NewWritePolicy(0, 0)
wp.RecordExistsAction = aerospike.CREATE_ONLY
return as.PutObject(wp, key, &ServiceData{
Env: env,
// TODO: This is not guaranteed to be unique. Should figure out a way
// to generate this uniquely.
UniqueID: leverutil.RandomHostName(),
Description: description,
NextCodeVersion: 0,
LiveCodeVersion: 0,
IsPublic: isPublic,
})
}
func runReplaceOnlyExample(client *as.Client) {
key, err := as.NewKey(*shared.Namespace, *shared.Set, "replaceonlykey")
shared.PanicOnError(err)
bin := as.NewBin("bin", "value")
// Delete record if it already exists.
client.Delete(shared.WritePolicy, key)
log.Printf("Replace record requiring that it exists: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
wpolicy := as.NewWritePolicy(0, 0)
wpolicy.RecordExistsAction = as.REPLACE_ONLY
err = client.PutBins(wpolicy, key, bin)
if ae, ok := err.(ast.AerospikeError); ok && ae.ResultCode() == ast.KEY_NOT_FOUND_ERROR {
log.Printf("Success. `Not found` error returned as expected.")
} else {
log.Fatalln("Failure. This command should have resulted in an error.")
}
}
func runExample(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "genkey")
binName := "genbin"
// Delete record if it already exists.
client.Delete(shared.WritePolicy, key)
// Set some values for the same record.
bin := as.NewBin(binName, "genvalue1")
log.Printf("Put: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value)
client.PutBins(shared.WritePolicy, key, bin)
bin = as.NewBin(binName, "genvalue2")
log.Printf("Put: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value)
client.PutBins(shared.WritePolicy, key, bin)
// Retrieve record and its generation count.
record, err := client.Get(shared.Policy, key, bin.Name)
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
received := record.Bins[bin.Name]
expected := bin.Value.String()
if received == expected {
log.Printf("Get successful: namespace=%s set=%s key=%s bin=%s value=%s generation=%d",
key.Namespace(), key.SetName(), key.Value(), bin.Name, received, record.Generation)
} else {
log.Fatalf("Get mismatch: Expected %s. Received %s.",
expected, received)
}
// Set record and fail if it's not the expected generation.
bin = as.NewBin(binName, "genvalue3")
log.Printf("Put: namespace=%s set=%s key=%s bin=%s value=%s expected generation=%d",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value, record.Generation)
writePolicy := as.NewWritePolicy(0, 2)
writePolicy.GenerationPolicy = as.EXPECT_GEN_EQUAL
writePolicy.Generation = int32(record.Generation)
client.PutBins(writePolicy, key, bin)
// Set record with invalid generation and check results .
bin = as.NewBin(binName, "genvalue4")
writePolicy.Generation = 9999
log.Printf("Put: namespace=%s set=%s key=%s bin=%s value=%s expected generation=%d",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value, writePolicy.Generation)
err = client.PutBins(writePolicy, key, bin)
if err != nil {
if ae, ok := err.(ast.AerospikeError); ok && ae.ResultCode() == ast.GENERATION_ERROR {
shared.PanicOnError(errors.New("Should have received generation error instead of success."))
}
log.Printf("Success: Generation error returned as expected.")
} else {
log.Fatalf(
"Unexpected set return code: namespace=%s set=%s key=%s bin=%s value=%s code=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value, err)
}
// Verify results.
record, err = client.Get(shared.Policy, key, bin.Name)
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
received = record.Bins[bin.Name]
expected = "genvalue3"
if received == expected {
log.Printf("Get successful: namespace=%s set=%s key=%s bin=%s value=%s generation=%d",
key.Namespace(), key.SetName(), key.Value(), bin.Name, received, record.Generation)
} else {
log.Fatalf("Get mismatch: Expected %s. Received %s.",
expected, received)
}
}
package shared
import (
"bytes"
"flag"
"fmt"
"log"
"math"
"os"
"runtime"
as "github.com/aerospike/aerospike-client-go"
)
var WritePolicy = as.NewWritePolicy(0, 0)
var Policy = as.NewPolicy()
var Host = flag.String("h", "127.0.0.1", "Aerospike server seed hostnames or IP addresses")
var Port = flag.Int("p", 3000, "Aerospike server seed hostname or IP address port number.")
var Namespace = flag.String("n", "test", "Aerospike namespace.")
var Set = flag.String("s", "testset", "Aerospike set name.")
var showUsage = flag.Bool("u", false, "Show usage information.")
var Client *as.Client
func ValidateBin(key *as.Key, bin *as.Bin, record *as.Record) {
if !bytes.Equal(record.Key.Digest(), key.Digest()) {
log.Fatalln(fmt.Sprintf("key `%s` is not the same as key `%s`.", key, record.Key))
}
if record.Bins[bin.Name] != bin.Value.GetObject() {
func NewDB(host string, port int, namespace string) *DB {
return &DB{host, port, namespace, "", as.NewWritePolicy(0, 0), as.NewPolicy(), nil}
}