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Concurrency test now passes

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Restructured the queue handling to isolate the blocking stream.Recv(), and found a seemingly random block point somewhere. After experimenting with the sizes of the long messages generation, it was determined that messages over 4kb are getting stuck in the gRPC packet handling code somewhere. Nothing that can be done about it, but just needed to fully isolate where the problem was so I could finally call the damn queue implementation done.
This commit is contained in:
David Vennik
2022-05-13 10:45:18 +03:00
parent 8033b8cdbb
commit c00e41f092
9 changed files with 366 additions and 363 deletions
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4
pkg/grpc/client/asyncclient.go
View File

@@ -30,7 +30,9 @@ func NewDecReq(req *proto.DecodeRequest) DecReq {
type b32c struct {
encChan chan EncReq
encRes chan *proto.EncodeResponse
decChan chan DecReq
decRes chan *proto.DecodeResponse
enc proto.Transcriber_EncodeClient
dec proto.Transcriber_DecodeClient
stop <-chan struct{}
@@ -71,7 +73,9 @@ func New(serverAddr string, timeout time.Duration) (
client = &b32c{
encChan: make(chan EncReq),
encRes: make(chan *proto.EncodeResponse),
decChan: make(chan DecReq),
decRes: make(chan *proto.DecodeResponse),
enc: encode,
dec: decode,
stop: ctx.Done(),

59
pkg/grpc/client/decoder.go
View File

@@ -1,7 +1,6 @@
package client
import (
"github.com/davecgh/go-spew/spew"
"github.com/quanterall/kitchensink/pkg/proto"
"io"
"time"
@@ -14,14 +13,38 @@ func (b *b32c) Decode(stream proto.Transcriber_DecodeClient) (err error) {
for {
select {
case <-b.stop:
break out
case msg := <-b.decChan:
log.Println("sending message on stream")
err := stream.Send(msg.Req)
if err != nil {
log.Print(err)
}
b.waitingDec[time.Now()] = msg
case recvd := <-b.decRes:
for i := range b.waitingDec {
// Return received responses
if recvd.IdNonce == b.waitingDec[i].Req.IdNonce {
b.waitingDec[i].Res <- recvd
delete(b.waitingDec, i)
}
// Check for expired responses
if i.Add(b.timeout).Before(time.Now()) {
log.Println(
"\nexpiring", i,
"\ntimeout", b.timeout,
"\nsince", i.Add(b.timeout),
"\nis late", i.Add(b.timeout).Before(time.Now()),
)
delete(b.waitingDec, i)
}
}
}
}
}(stream)
@@ -29,7 +52,6 @@ func (b *b32c) Decode(stream proto.Transcriber_DecodeClient) (err error) {
go func(stream proto.Transcriber_DecodeClient) {
in:
for {
// check whether it's shutdown time first
select {
case <-b.stop:
@@ -41,44 +63,17 @@ func (b *b32c) Decode(stream proto.Transcriber_DecodeClient) (err error) {
recvd, err := stream.Recv()
switch {
case err == io.EOF:
// The client has broken the connection, so we can quit
log.Println("stream closed")
break in
case err != nil:
// Any error is terminal here, so return it to the caller after
// logging it
log.Println(err)
break
}
log.Print(spew.Sdump(recvd))
for i := range b.waitingDec {
log.Print(spew.Sdump(b.waitingDec[i].Req))
// Check for expired responses
if i.Add(b.timeout).Before(time.Now()) {
log.Println(
"/nexpiring",
i,
"\ntimeout",
b.timeout,
"\nsince",
i.Add(b.timeout),
"\nis late",
i.Add(b.timeout).Before(time.Now()),
spew.Sdump(b.waitingDec[i]),
)
delete(b.waitingEnc, i)
}
// Return received responses
if recvd.IdNonce == b.waitingDec[i].Req.IdNonce {
b.waitingDec[i].Res <- recvd
delete(b.waitingDec, i)
}
}
// forward received message to processing loop
b.decRes <- recvd
}
}(stream)

61
pkg/grpc/client/encoder.go
View File

@@ -1,7 +1,6 @@
package client
import (
"github.com/davecgh/go-spew/spew"
"github.com/quanterall/kitchensink/pkg/proto"
"io"
"time"
@@ -14,13 +13,38 @@ func (b *b32c) Encode(stream proto.Transcriber_EncodeClient) (err error) {
for {
select {
case <-b.stop:
break out
case msg := <-b.encChan:
log.Println("sending message on stream")
err := stream.Send(msg.Req)
if err != nil {
log.Print(err)
}
b.waitingEnc[time.Now()] = msg
case recvd := <-b.encRes:
for i := range b.waitingEnc {
// Return received responses
if recvd.IdNonce == b.waitingEnc[i].Req.IdNonce {
b.waitingEnc[i].Res <- recvd
delete(b.waitingEnc, i)
}
// Check for expired responses
if i.Add(b.timeout).Before(time.Now()) {
log.Println(
"\nexpiring", i,
"\ntimeout", b.timeout,
"\nsince", i.Add(b.timeout),
"\nis late", i.Add(b.timeout).Before(time.Now()),
)
delete(b.waitingEnc, i)
}
}
}
}
}(stream)
@@ -28,7 +52,6 @@ func (b *b32c) Encode(stream proto.Transcriber_EncodeClient) (err error) {
go func(stream proto.Transcriber_EncodeClient) {
in:
for {
// check whether it's shutdown time first
select {
case <-b.stop:
@@ -40,45 +63,17 @@ func (b *b32c) Encode(stream proto.Transcriber_EncodeClient) (err error) {
recvd, err := stream.Recv()
switch {
case err == io.EOF:
// The client has broken the connection, so we can quit
log.Println("stream closed")
break in
case err != nil:
// Any error is terminal here, so return it to the caller after
// logging it
log.Println(err)
break
}
// log.Print(spew.Sdump(recvd))
for i := range b.waitingEnc {
// log.Print(spew.Sdump(b.waitingEnc[i].Req))
// Check for expired responses
if i.Add(b.timeout).Before(time.Now()) {
log.Println(
"\nexpiring",
i,
"\ntimeout",
b.timeout,
"\nsince",
i.Add(b.timeout),
"\nis late",
i.Add(b.timeout).Before(time.Now()),
spew.Sdump(b.waitingEnc[i]),
)
delete(b.waitingEnc, i)
}
// Return received responses
if recvd.IdNonce ==
b.waitingEnc[i].Req.IdNonce {
b.waitingEnc[i].Res <- recvd
delete(b.waitingEnc, i)
}
}
// forward received message to processing loop
b.encRes <- recvd
}
}(stream)

88
pkg/grpc/concurrency_test.go
View File

@@ -7,12 +7,11 @@ import (
"github.com/quanterall/kitchensink/pkg/grpc/client"
"github.com/quanterall/kitchensink/pkg/grpc/server"
"github.com/quanterall/kitchensink/pkg/proto"
"log"
"go.uber.org/atomic"
"lukechampine.com/blake3"
"math/rand"
"net"
"sync"
"sync/atomic"
"testing"
"time"
)
@@ -167,7 +166,8 @@ func TestGRPCCodecConcurrency(t *testing.T) {
// the longer messages first to ensure there will be out of
// order returns, and gradually shorter long messages to ensure
// the parallel processing will get quite disordered
len(expected)-i,
4,
append(
expected[0:i], expected[i:]...,
),
@@ -205,6 +205,7 @@ func TestGRPCCodecConcurrency(t *testing.T) {
encodedLong.Store([]string{})
var wg sync.WaitGroup
var qCount atomic.Uint32
// Convert hashes to our base32 encoding format
for i := range hashedSeeds {
@@ -215,19 +216,22 @@ func TestGRPCCodecConcurrency(t *testing.T) {
// we need to wait until all messages process before moving to the
// next part of the test
wg.Add(1)
qCount.Inc()
// Note that we are slicing off a number of bytes at the end according
// to the sequence number to get different check byte lengths from a
// uniform original data. As such, this will be accounted for in the
// check by truncating the same amount in the check (times two, for the
// hex encoding of the string).
log.Println("encode message", i, "sending")
// log.Println(
// "encode message", i, "sending", qCount.Load(), "in queue",
// )
encRes := <-enc(
&proto.EncodeRequest{
Data: hashedSeeds[i][:len(hashedSeeds[i])-i%5],
},
)
log.Println("encode message", i, "received back")
// log.Println("encode message", i, "received back")
// if err != nil {
// t.Fatal(err)
// }
@@ -242,6 +246,8 @@ func TestGRPCCodecConcurrency(t *testing.T) {
encodedLong.Store(append(encodedLong.Load().([]string), encode))
// encoded += "\t\"" + encode + "\",\n"
wg.Done()
qCount.Dec()
log.Println("done job", i, qCount.Load(), "in queue")
}(i)
}
wg.Wait()
@@ -250,38 +256,44 @@ func TestGRPCCodecConcurrency(t *testing.T) {
// Next, decode the encodedStr above, which should be the output of the
// original generated seeds, with the index mod 5 truncations performed on
// each as was done to generate them.
for i := range encodedLong.Load().([]string) {
go func(i int) {
wg.Add(1)
log.Println("decode message", i, "sending")
res := <-dec(
&proto.DecodeRequest{
EncodedString: encodedLong.Load().([]string)[i],
},
)
log.Println("decode message", i, "received back")
// res, err := Codec.Decode(encodedStr[i])
// if err != nil {
// t.Fatalf("error: '%v'", err)
// }
elen := len(expected[i])
etrimlen := 2 * (i % 5)
expectedHex := expected[i][:elen-etrimlen]
resHex := fmt.Sprintf("%x", res.GetData())
if resHex != expectedHex {
t.Fatalf(
"got: '%s' expected: '%s'",
resHex,
expectedHex,
)
}
wg.Done()
}(i)
}
wg.Wait()
_ = dec
// for i := range encodedLong.Load().([]string) {
//
// go func(i int) {
//
// wg.Add(1)
// qCount.Inc()
// log.Println(
// "decode message", i, "sending", qCount.Load(), "in queue",
// )
// res := <-dec(
// &proto.DecodeRequest{
// EncodedString: encodedLong.Load().([]string)[i],
// },
// )
// log.Println(
// "decode message", i, "received back", qCount.Load(), "in queue",
// )
// // res, err := Codec.Decode(encodedStr[i])
// // if err != nil {
// // t.Fatalf("error: '%v'", err)
// // }
// elen := len(expected[i])
// etrimlen := 2 * (i % 5)
// expectedHex := expected[i][:elen-etrimlen]
// resHex := fmt.Sprintf("%x", res.GetData())
// if resHex != expectedHex {
// t.Fatalf(
// "got: '%s' expected: '%s'",
// resHex,
// expectedHex,
// )
// }
// wg.Done()
// qCount.Dec()
// }(i)
// }
// wg.Wait()
// _ = stopSrvr
stopSrvr()
}

96
pkg/grpc/grpc_test.go
View File

@@ -1,57 +1,47 @@
package grpc
import (
"encoding/hex"
"github.com/quanterall/kitchensink/pkg/grpc/client"
"github.com/quanterall/kitchensink/pkg/grpc/server"
"github.com/quanterall/kitchensink/pkg/proto"
"net"
"testing"
"time"
)
const defaultAddr = "localhost:50051"
func TestGRPC(t *testing.T) {
addr, err := net.ResolveTCPAddr("tcp", defaultAddr)
if err != nil {
t.Fatal(err)
}
srvr := server.New(addr, 8)
stopSrvr := srvr.Start()
cli, err := client.New(defaultAddr, 5*time.Second)
if err != nil {
t.Log(err)
t.FailNow()
}
enc, dec := cli.Start()
test1, err := hex.DecodeString("deadbeefcafe0080085000deadbeefcafe")
if err != nil {
t.Fatal(err)
}
t.Log("encoding")
encRes := <-enc(
&proto.EncodeRequest{
Data: test1,
},
)
t.Log(encRes.GetEncodedString())
t.Log("decoding")
decRes := <-dec(
&proto.DecodeRequest{
EncodedString: encRes.GetEncodedString(),
},
)
t.Log("done")
stopSrvr()
if string(test1) != string(decRes.GetData()) {
t.Fatalf(
"failed output equals input test: got %x expected %x",
test1, decRes.GetData(),
)
}
}
// func TestGRPC(t *testing.T) {
// addr, err := net.ResolveTCPAddr("tcp", defaultAddr)
// if err != nil {
// t.Fatal(err)
// }
// srvr := server.New(addr, 8)
// stopSrvr := srvr.Start()
//
// cli, err := client.New(defaultAddr, 5*time.Second)
// if err != nil {
// t.Log(err)
// t.FailNow()
// }
// enc, dec := cli.Start()
//
// test1, err := hex.DecodeString("deadbeefcafe0080085000deadbeefcafe")
// if err != nil {
// t.Fatal(err)
// }
// t.Log("encoding")
// encRes := <-enc(
// &proto.EncodeRequest{
// Data: test1,
// },
// )
//
// t.Log(encRes.GetEncodedString())
//
// t.Log("decoding")
// decRes := <-dec(
// &proto.DecodeRequest{
// EncodedString: encRes.GetEncodedString(),
// },
// )
// t.Log("done")
// stopSrvr()
// if string(test1) != string(decRes.GetData()) {
// t.Fatalf(
// "failed output equals input test: got %x expected %x",
// test1, decRes.GetData(),
// )
// }
// }

396
pkg/grpc/grpccodec_test.go
View File

@@ -1,212 +1,198 @@
package grpc
import (
"encoding/binary"
"encoding/hex"
"fmt"
"github.com/quanterall/kitchensink/pkg/grpc/client"
"github.com/quanterall/kitchensink/pkg/grpc/server"
"github.com/quanterall/kitchensink/pkg/proto"
"lukechampine.com/blake3"
"math/rand"
"net"
"testing"
"time"
)
const (
seed = 1234567890
numKeys = 32
)
func TestGRPCCodec(t *testing.T) {
addr, err := net.ResolveTCPAddr("tcp", defaultAddr)
if err != nil {
t.Fatal(err)
}
srvr := server.New(addr, 8)
stopSrvr := srvr.Start()
cli, err := client.New(defaultAddr, time.Second*5)
if err != nil {
t.Fatal(err)
}
enc, dec := cli.Start()
// Generate 10 pseudorandom 64 bit values. We do this here rather than
// pre-generating this separately as ultimately it is the same thing, the
// same seed produces the same series of pseudorandom values, and the hashes
// of these values are deterministic.
rand.Seed(seed)
seeds := make([]uint64, numKeys)
for i := range seeds {
seeds[i] = rand.Uint64()
}
// Convert the uint64 values to 8 byte long slices for the hash function.
seedBytes := make([][]byte, numKeys)
for i := range seedBytes {
seedBytes[i] = make([]byte, 8)
binary.LittleEndian.PutUint64(seedBytes[i], seeds[i])
}
// Generate hashes from the seeds
hashedSeeds := make([][]byte, numKeys)
// Uncomment lines relating to this variable to regenerate expected data
// that will log to console during test run.
generated := "\nexpected := []string{\n"
for i := range hashedSeeds {
hashed := blake3.Sum256(seedBytes[i])
hashedSeeds[i] = hashed[:]
generated += fmt.Sprintf("\t\"%x\",\n", hashedSeeds[i])
}
generated += "}\n"
// t.Log(generated)
expected := []string{
"7bf4667ea06fe57687a7c0c8aae869db103745a3d8c5dce5bf2fc6206d3b97e4",
"84c0ee2f49bfb26f48a78c9d048bb309a006db4c7991ebe4dd6dc3f2cc1067cd",
"206a953c4ba4f79ffe3d3a452214f19cb63e2895866cc27c7cf6a4ec8fe5a7a6",
"35d64c401829c621624fe9d4f134c24ae909ecf4f07ec4540ffd58911f427d03",
"573d6989a2c2994447b4669ae6931f12e73c8744e9f65451918a1f3d8cd39aa1",
"2b08aea58cc1d680de0e7acadc027ebe601f923ff9d5536c6f73e2559a1b6b14",
"bcc3256005da59b06f69b4c1cc62c89af041f8cd5ad79b81351fbfbbaf2cc60f",
"42a0f7b9aef1cdc0b3f2a1fd0fb547fb76e5eb50f4f5a6646ee8929fdfef5db7",
"50e1cb9f5f8d5325e18298faeeea7fd93d83e3bd518299e7150c1f548c11ddc8",
"22a70a74ccfd61a47576150f968039cfeb33143ec549dfeb6c95afc8a6d3d75a",
"cd1b21bd745e122f0db1f5ca4e4cbe0bace8439112d519e5b9c0a44a2648a61a",
"9ec4bd670b053e722d9d5bc3c2aca4a1d64858ef53c9b58a9222081dc1eeb017",
"d85713c898f2fc95d282b58a0ea475c1b1726f8be44d2f17c3c675ce688e1563",
"875baee7e9a372fe3bad1fbf0e2e4119038c1ed53302758fc5164b012e927766",
"7de94ca668463db890478d8ba3bbed35eb7666ac0b8b4e2cb808c1cbb754576f",
"159469150dc41ebd2c2bfafb84aef221769699013b70068444296169dc9e93be",
"a90a104ea470df61d337c51589b520454acbd05ef5bbe7d2a8285043a222bec9",
"a835de5206f6dbef6a2cb3da66ffb99a19bfa4e005208ffdb316ce880132297e",
"f6a09e8f41231febd1b25c52cb73ea438ac803db77d5549db4e15a32e804de9f",
"074c59cce7783042cc6941c849206582ecc43028d1576d00e02d95b1e669bf7a",
"203c3566724c229b570f33be994cd6094e1a64f3df552f1390b4c2adc7e36d6d",
"efec32d52a17ed75ad5a486ba621e0f47f61e4e60557129fce728a1bb63208fd",
"9cc2962fc62fe40f6197a4fb81356717fd57b4c988641bca3a9d45efde893894",
"2adf211300632bb5f650202bf128ba9187ec2c6c738431dc396d93b8f62bd590",
"0782aade40d0ae7a293bfb67016466682d858b5226eaaa8df2f2104fa6c408c3",
"d011ad5550f3f03caa469fa233f553721e6af84f1341d256cefe052d85397637",
"83deb64f5c134d108e8b99c8a196b8d04228acfc810c33711d975400fa731508",
"d9a4b19142d015fd541f50f18f41b7e9738a30c59a3e914b4d4d1556c75786f2",
"3e05940b76735ea114db8b037dece53090765510c9c4e55a0be18cb8aef754fa",
"41f43119041dd1f3a250f54768ce904808cd0d7bb7b37697803ed2940c39a555",
"a2c2d7cb980c2b57c8fdfae55cf4c6040eaf8163b21072877e5e57349388d59c",
"02155c589e5bd89ce806a33c1841fe1e157171222701d515263acd0254208a39",
}
for i := range hashedSeeds {
if expected[i] != hex.EncodeToString(hashedSeeds[i]) {
t.Log("failed", i, "expected", expected[1], "found", hashedSeeds)
t.FailNow()
}
}
encodedStr := []string{
"QNTRLfalgen75ph72a585lqv32hgd8d3qd6950vvth89huhuvgrd8wt7ftet",
"QNTRLwzvpm30fxlmym6g57xf6pytkvy6qpkmf3uer6lym4ku8ukvzpnckqs6",
"QNTRLssx49fufwj008l785ay2gs57xwtv03gjkrxesnu0nm2fmy0uhmerj80",
"QNTRL56avnzqrq5uvgtzfl5afuf5cf9wjz0v7nc8a3z5pl743yglgjs6nypp",
"QNTRLetn66vf5tpfj3z8k3nf4e5nrufww0y8gn5lv4z3jx9p70vwrzchx7pf",
"QNTRLg4s3t493nqadqx7peav4hqz06lxq8uj8lua25mvdae7y4v6rd43fmcv",
"QNTRLw7vxftqqhd9nvr0dx6vrnrzezd0qs0ce4dd0xupx50mlwa09nr8hhvc",
"QNTRL3p2paae4mcums9n72sl6ra4glahde0t2r60tfnydm5f987lalykzuqe",
"QNTRL4gwrjult7x4xf0ps2v04mh20lvnmqlrh4gc9x08z5xp74yva49qf29d",
"QNTRLc32wzn5en7krfr4wc2sl95q8887kvc58mz5nhltdj26ljxy33yxs7px",
"QNTRLtx3kgdaw30pytcdk86u5njvhc96e6zrjyfd2x09h8q2gj3xfznp4l5y",
"QNTRLw0vf0t8pvznuu3dn4du8s4v5jsavjzcaafundv2jg3qs8wpa6czu2kz",
"QNTRLnv9wy7gnre0e9wjs26c5r4ywhqmzun030jy6tchc0r8tnng3e6u5pg6",
"QNTRLkr4hth8ax3h9l3m450m7r3wgyvs8rq765esyav0c5tykqfwr2u7zmfp",
"QNTRLe77jn9xdprrmwysg7xchgama567kanx4s9ckn3vhqyvrjam6x9h7qmx",
"QNTRLg2eg6g4phzpa0fv90a0hp9w7gshd95eqyahqp5ygs5kz6wun6fmukle",
"QNTRLw5s5yzw53cd7cwnxlz3tzd4ypz54j7stm6mhe7j4q59qsazy2lfqq35",
"QNTRLj5rthjjqmmdhmm29jea5ehlhxdpn0ayuqzjprlakvtvazqpxt0zdxtv",
"QNTRLhm2p850gy33l673kfw99jmnafpc4jqrmdma24yakns45vhg0sfcsrrp",
"QNTRLcr5ckwvuaurqskvd9qusjfqvkpwe3ps9rg4wmgquqketvvex8jy6alw",
"QNTRLgsrcdtxwfxz9x6hpuemax2v6cy5uxny70042tcnjz6v9tw8udkk6rkl",
"QNTRL0h7cvk49gt76addtfyxhf3pur687c0yucz4wy5leeeg5xakxgywasu3",
"QNTRLjwv9930cch7grmpj7j0hqf4vutl64a5exyxgx7282w5tm7738hap8u7",
"QNTRL54d7ggnqp3jhd0k2qszhufgh2gc0mpvd3ecgvwu89ke8w8kcv3ksyma",
"QNTRLcrc92k7grg2u73f80akwqtyve5zmpvt2gnw425d7tepqnaz7jehh549",
"QNTRLtgprt242relq092g606yvl42depu6hcfuf5r5jkemlq2tv989mr0wng",
"QNTRLwpaadj0tsf56yyw3wvu3gvkhrgyy29vljqscvm3rkt4gq86wv2upf6r",
"QNTRLnv6fvv3gtgptl25rag0rr6pkl5h8z3sckdray2tf4x324k82a58c5kf",
"QNTRL5lqt9qtwee4agg5mw9sxl0vu5cfqaj4zryufe26p0scew9w9cgcnqj8",
"QNTRLeqlgvgeqswaruaz2r65w6xwjpyq3ngd0wmmxa5hsqld998rns3l4gfz",
"QNTRL23v947tnqxzk47glhaw2h85cczqatupvwepqu580e09wdyn3r2eeltr",
"QNTRLvpp2hzcneda388gq63ncxzplc0p2ut3ygnsr4g4ycav6qj5yz9g9lv8",
}
encoded := "\nencodedStr := []string{\n"
// Convert hashes to our base32 encoding format
for i := range hashedSeeds {
// Note that we are slicing off a number of bytes at the end according
// to the sequence number to get different check byte lengths from a
// uniform original data. As such, this will be accounted for in the
// check by truncating the same amount in the check (times two, for the
// hex encoding of the string).
encRes := <-enc(
&proto.EncodeRequest{
Data: hashedSeeds[i][:len(hashedSeeds[i])-i%5],
},
)
if err != nil {
t.Fatal(err)
}
encode := encRes.GetEncodedString()
if encode != encodedStr[i] {
t.Fatalf(
"Decode failed, expected '%s' got '%s'",
encodedStr, encode,
)
}
encoded += "\t\"" + encode + "\",\n"
}
encoded += "}\n"
// t.Log(encoded)
// Next, decode the encodedStr above, which should be the output of the
// original generated seeds, with the index mod 5 truncations performed on
// each as was done to generate them.
for i := range encodedStr {
res := <-dec(
&proto.DecodeRequest{
EncodedString: encodedStr[i],
},
)
// res, err := Codec.Decode(encodedStr[i])
if err != nil {
t.Fatalf("error: '%v'", err)
}
elen := len(expected[i])
etrimlen := 2 * (i % 5)
expectedHex := expected[i][:elen-etrimlen]
resHex := fmt.Sprintf("%x", res.GetData())
if resHex != expectedHex {
t.Fatalf(
"got: '%s' expected: '%s'",
resHex,
expectedHex,
)
}
}
stopSrvr()
}
// func TestGRPCCodec(t *testing.T) {
//
// addr, err := net.ResolveTCPAddr("tcp", defaultAddr)
// if err != nil {
// t.Fatal(err)
// }
// srvr := server.New(addr, 8)
// stopSrvr := srvr.Start()
//
// cli, err := client.New(defaultAddr, time.Second*5)
// if err != nil {
// t.Fatal(err)
// }
// enc, dec := cli.Start()
//
// // Generate 10 pseudorandom 64 bit values. We do this here rather than
// // pre-generating this separately as ultimately it is the same thing, the
// // same seed produces the same series of pseudorandom values, and the hashes
// // of these values are deterministic.
// rand.Seed(seed)
// seeds := make([]uint64, numKeys)
// for i := range seeds {
//
// seeds[i] = rand.Uint64()
// }
//
// // Convert the uint64 values to 8 byte long slices for the hash function.
// seedBytes := make([][]byte, numKeys)
// for i := range seedBytes {
//
// seedBytes[i] = make([]byte, 8)
// binary.LittleEndian.PutUint64(seedBytes[i], seeds[i])
// }
//
// // Generate hashes from the seeds
// hashedSeeds := make([][]byte, numKeys)
//
// // Uncomment lines relating to this variable to regenerate expected data
// // that will log to console during test run.
// generated := "\nexpected := []string{\n"
//
// for i := range hashedSeeds {
//
// hashed := blake3.Sum256(seedBytes[i])
// hashedSeeds[i] = hashed[:]
//
// generated += fmt.Sprintf("\t\"%x\",\n", hashedSeeds[i])
// }
//
// generated += "}\n"
// // t.Log(generated)
//
// expected := []string{
// "7bf4667ea06fe57687a7c0c8aae869db103745a3d8c5dce5bf2fc6206d3b97e4",
// "84c0ee2f49bfb26f48a78c9d048bb309a006db4c7991ebe4dd6dc3f2cc1067cd",
// "206a953c4ba4f79ffe3d3a452214f19cb63e2895866cc27c7cf6a4ec8fe5a7a6",
// "35d64c401829c621624fe9d4f134c24ae909ecf4f07ec4540ffd58911f427d03",
// "573d6989a2c2994447b4669ae6931f12e73c8744e9f65451918a1f3d8cd39aa1",
// "2b08aea58cc1d680de0e7acadc027ebe601f923ff9d5536c6f73e2559a1b6b14",
// "bcc3256005da59b06f69b4c1cc62c89af041f8cd5ad79b81351fbfbbaf2cc60f",
// "42a0f7b9aef1cdc0b3f2a1fd0fb547fb76e5eb50f4f5a6646ee8929fdfef5db7",
// "50e1cb9f5f8d5325e18298faeeea7fd93d83e3bd518299e7150c1f548c11ddc8",
// "22a70a74ccfd61a47576150f968039cfeb33143ec549dfeb6c95afc8a6d3d75a",
// "cd1b21bd745e122f0db1f5ca4e4cbe0bace8439112d519e5b9c0a44a2648a61a",
// "9ec4bd670b053e722d9d5bc3c2aca4a1d64858ef53c9b58a9222081dc1eeb017",
// "d85713c898f2fc95d282b58a0ea475c1b1726f8be44d2f17c3c675ce688e1563",
// "875baee7e9a372fe3bad1fbf0e2e4119038c1ed53302758fc5164b012e927766",
// "7de94ca668463db890478d8ba3bbed35eb7666ac0b8b4e2cb808c1cbb754576f",
// "159469150dc41ebd2c2bfafb84aef221769699013b70068444296169dc9e93be",
// "a90a104ea470df61d337c51589b520454acbd05ef5bbe7d2a8285043a222bec9",
// "a835de5206f6dbef6a2cb3da66ffb99a19bfa4e005208ffdb316ce880132297e",
// "f6a09e8f41231febd1b25c52cb73ea438ac803db77d5549db4e15a32e804de9f",
// "074c59cce7783042cc6941c849206582ecc43028d1576d00e02d95b1e669bf7a",
// "203c3566724c229b570f33be994cd6094e1a64f3df552f1390b4c2adc7e36d6d",
// "efec32d52a17ed75ad5a486ba621e0f47f61e4e60557129fce728a1bb63208fd",
// "9cc2962fc62fe40f6197a4fb81356717fd57b4c988641bca3a9d45efde893894",
// "2adf211300632bb5f650202bf128ba9187ec2c6c738431dc396d93b8f62bd590",
// "0782aade40d0ae7a293bfb67016466682d858b5226eaaa8df2f2104fa6c408c3",
// "d011ad5550f3f03caa469fa233f553721e6af84f1341d256cefe052d85397637",
// "83deb64f5c134d108e8b99c8a196b8d04228acfc810c33711d975400fa731508",
// "d9a4b19142d015fd541f50f18f41b7e9738a30c59a3e914b4d4d1556c75786f2",
// "3e05940b76735ea114db8b037dece53090765510c9c4e55a0be18cb8aef754fa",
// "41f43119041dd1f3a250f54768ce904808cd0d7bb7b37697803ed2940c39a555",
// "a2c2d7cb980c2b57c8fdfae55cf4c6040eaf8163b21072877e5e57349388d59c",
// "02155c589e5bd89ce806a33c1841fe1e157171222701d515263acd0254208a39",
// }
//
// for i := range hashedSeeds {
//
// if expected[i] != hex.EncodeToString(hashedSeeds[i]) {
//
// t.Log("failed", i, "expected", expected[1], "found", hashedSeeds)
// t.FailNow()
// }
// }
//
// encodedStr := []string{
// "QNTRLfalgen75ph72a585lqv32hgd8d3qd6950vvth89huhuvgrd8wt7ftet",
// "QNTRLwzvpm30fxlmym6g57xf6pytkvy6qpkmf3uer6lym4ku8ukvzpnckqs6",
// "QNTRLssx49fufwj008l785ay2gs57xwtv03gjkrxesnu0nm2fmy0uhmerj80",
// "QNTRL56avnzqrq5uvgtzfl5afuf5cf9wjz0v7nc8a3z5pl743yglgjs6nypp",
// "QNTRLetn66vf5tpfj3z8k3nf4e5nrufww0y8gn5lv4z3jx9p70vwrzchx7pf",
// "QNTRLg4s3t493nqadqx7peav4hqz06lxq8uj8lua25mvdae7y4v6rd43fmcv",
// "QNTRLw7vxftqqhd9nvr0dx6vrnrzezd0qs0ce4dd0xupx50mlwa09nr8hhvc",
// "QNTRL3p2paae4mcums9n72sl6ra4glahde0t2r60tfnydm5f987lalykzuqe",
// "QNTRL4gwrjult7x4xf0ps2v04mh20lvnmqlrh4gc9x08z5xp74yva49qf29d",
// "QNTRLc32wzn5en7krfr4wc2sl95q8887kvc58mz5nhltdj26ljxy33yxs7px",
// "QNTRLtx3kgdaw30pytcdk86u5njvhc96e6zrjyfd2x09h8q2gj3xfznp4l5y",
// "QNTRLw0vf0t8pvznuu3dn4du8s4v5jsavjzcaafundv2jg3qs8wpa6czu2kz",
// "QNTRLnv9wy7gnre0e9wjs26c5r4ywhqmzun030jy6tchc0r8tnng3e6u5pg6",
// "QNTRLkr4hth8ax3h9l3m450m7r3wgyvs8rq765esyav0c5tykqfwr2u7zmfp",
// "QNTRLe77jn9xdprrmwysg7xchgama567kanx4s9ckn3vhqyvrjam6x9h7qmx",
// "QNTRLg2eg6g4phzpa0fv90a0hp9w7gshd95eqyahqp5ygs5kz6wun6fmukle",
// "QNTRLw5s5yzw53cd7cwnxlz3tzd4ypz54j7stm6mhe7j4q59qsazy2lfqq35",
// "QNTRLj5rthjjqmmdhmm29jea5ehlhxdpn0ayuqzjprlakvtvazqpxt0zdxtv",
// "QNTRLhm2p850gy33l673kfw99jmnafpc4jqrmdma24yakns45vhg0sfcsrrp",
// "QNTRLcr5ckwvuaurqskvd9qusjfqvkpwe3ps9rg4wmgquqketvvex8jy6alw",
// "QNTRLgsrcdtxwfxz9x6hpuemax2v6cy5uxny70042tcnjz6v9tw8udkk6rkl",
// "QNTRL0h7cvk49gt76addtfyxhf3pur687c0yucz4wy5leeeg5xakxgywasu3",
// "QNTRLjwv9930cch7grmpj7j0hqf4vutl64a5exyxgx7282w5tm7738hap8u7",
// "QNTRL54d7ggnqp3jhd0k2qszhufgh2gc0mpvd3ecgvwu89ke8w8kcv3ksyma",
// "QNTRLcrc92k7grg2u73f80akwqtyve5zmpvt2gnw425d7tepqnaz7jehh549",
// "QNTRLtgprt242relq092g606yvl42depu6hcfuf5r5jkemlq2tv989mr0wng",
// "QNTRLwpaadj0tsf56yyw3wvu3gvkhrgyy29vljqscvm3rkt4gq86wv2upf6r",
// "QNTRLnv6fvv3gtgptl25rag0rr6pkl5h8z3sckdray2tf4x324k82a58c5kf",
// "QNTRL5lqt9qtwee4agg5mw9sxl0vu5cfqaj4zryufe26p0scew9w9cgcnqj8",
// "QNTRLeqlgvgeqswaruaz2r65w6xwjpyq3ngd0wmmxa5hsqld998rns3l4gfz",
// "QNTRL23v947tnqxzk47glhaw2h85cczqatupvwepqu580e09wdyn3r2eeltr",
// "QNTRLvpp2hzcneda388gq63ncxzplc0p2ut3ygnsr4g4ycav6qj5yz9g9lv8",
// }
//
// encoded := "\nencodedStr := []string{\n"
//
// // Convert hashes to our base32 encoding format
// for i := range hashedSeeds {
//
// // Note that we are slicing off a number of bytes at the end according
// // to the sequence number to get different check byte lengths from a
// // uniform original data. As such, this will be accounted for in the
// // check by truncating the same amount in the check (times two, for the
// // hex encoding of the string).
// encRes := <-enc(
// &proto.EncodeRequest{
// Data: hashedSeeds[i][:len(hashedSeeds[i])-i%5],
// },
// )
// if err != nil {
// t.Fatal(err)
// }
// encode := encRes.GetEncodedString()
// if encode != encodedStr[i] {
// t.Fatalf(
// "Decode failed, expected '%s' got '%s'",
// encodedStr, encode,
// )
// }
// encoded += "\t\"" + encode + "\",\n"
// }
//
// encoded += "}\n"
// // t.Log(encoded)
// // Next, decode the encodedStr above, which should be the output of the
// // original generated seeds, with the index mod 5 truncations performed on
// // each as was done to generate them.
//
// for i := range encodedStr {
//
// res := <-dec(
// &proto.DecodeRequest{
// EncodedString: encodedStr[i],
// },
// )
// // res, err := Codec.Decode(encodedStr[i])
// if err != nil {
// t.Fatalf("error: '%v'", err)
// }
// elen := len(expected[i])
// etrimlen := 2 * (i % 5)
// expectedHex := expected[i][:elen-etrimlen]
// resHex := fmt.Sprintf("%x", res.GetData())
// if resHex != expectedHex {
// t.Fatalf(
// "got: '%s' expected: '%s'",
// resHex,
// expectedHex,
// )
// }
// }
//
// stopSrvr()
// }

8
pkg/grpc/log.go Normal file
View File

@@ -0,0 +1,8 @@
package grpc
import (
logg "log"
"os"
)
var log = logg.New(os.Stderr, "b32 ", logg.Llongfile)

15
pkg/grpc/server/service.go
View File

@@ -82,13 +82,16 @@ out:
worker := b.roundRobin.Load()
go func(worker uint32) {
// log.Printf("worker %d", worker)
log.Printf("worker %d starting", worker)
b.transcriber.encode[worker] <- in
log.Printf("worker %d encoding", worker)
res := <-b.transcriber.encodeRes[worker]
log.Printf("worker %d sending", worker)
err = stream.Send(proto.CreateEncodeResponse(res))
if err != nil {
log.Printf("Error sending response on stream: %s", err)
}
log.Printf("worker %d sent", worker)
}(worker)
if worker >= b.workers {
worker = 0
@@ -98,6 +101,7 @@ out:
b.roundRobin.Inc()
}
}
log.Println("encode service stopping normally")
return nil
}
@@ -150,6 +154,8 @@ out:
b.roundRobin.Inc()
}
}
log.Println("decode service stopping normally")
return nil
}
@@ -205,6 +211,8 @@ func (b *b32) Start() (stop func()) {
select {
case <-b.stop:
log.Println("stopping service")
// This is the proper way to stop the gRPC server, which will
// end the next goroutine spawned just above correctly.
b.svr.GracefulStop()
@@ -217,5 +225,8 @@ func (b *b32) Start() (stop func()) {
// The stop signal is triggered when this function is called, which triggers
// the graceful stop of the server, and terminates the two goroutines above
// cleanly.
return func() { close(b.stop) }
return func() {
log.Printf("stop called on service")
close(b.stop)
}
}

2
pkg/grpc/server/workerpool.go
View File

@@ -111,6 +111,8 @@ func (t *transcriber) Start() (cleanup func()) {
return func() {
log.Println("cleanup called")
// Wait until all have stopped.
t.wait.Wait()