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replace github.com/eosswedenorg-go/tcp_server with github.com/panjf2000/gnet

This commit is contained in:
Henrik Hautakoski 2023-01-03 17:28:37 +01:00
parent be7a246317
commit 1db04c0e76
No known key found for this signature in database
GPG key ID: 217490840C18A5D9
4 changed files with 127 additions and 53 deletions

View file

@ -34,6 +34,9 @@ var logfd *os.File
var (
logfmt log.Format
logger log.Logger
// TCP Server
srv *server.Server
)
// argv_listen_addr
@ -104,6 +107,12 @@ func signalEventLoop() {
case syscall.SIGINT, syscall.SIGTERM:
l.Info("Program was asked to terminate.")
run = false
// Tell the server to close.
err := srv.Close()
if err != nil {
l.Error("Failed to close server", "error", err)
}
// SIGHUP is sent when logfile is rotated.
case syscall.SIGHUP:
msg := "Logfile was rotated: "
@ -129,7 +138,6 @@ func signalEventLoop() {
func main() {
var version bool
var usage bool
var addr string
var logFormatter *string
logger = log.Root()
@ -173,23 +181,15 @@ func main() {
}
}
addr = argv_listen_addr()
// Create server
srv = server.New(argv_listen_addr())
// Start listening to TCP Connections
srv, err := server.Start(addr)
if err == nil {
logger.Info("TCP Server started", "addr", addr)
// Run signal event loop in its own goroutine
go signalEventLoop()
// Run the signal event loop.
signalEventLoop()
err = srv.Close()
if err != nil {
logger.Error("Failed to close server", "error", err)
}
} else {
log.Error("Failed to start tcp server", "error", err)
// Run server
err := srv.Run()
if err != nil {
logger.Error("Server failed to shutdown", "message", err)
}
logger.Info("Shutdown")
}

6
go.mod
View file

@ -7,8 +7,8 @@ require (
github.com/eosswedenorg-go/haproxy v1.0.1
github.com/eosswedenorg-go/leapapi v0.2.2
github.com/eosswedenorg-go/pid v1.0.1
github.com/eosswedenorg-go/tcp_server v0.2.1
github.com/inconshreveable/log15 v0.0.0-20221122034931-555555054819
github.com/panjf2000/gnet/v2 v2.2.2
github.com/pborman/getopt/v2 v2.1.0
github.com/stretchr/testify v1.8.1
)
@ -39,6 +39,9 @@ require (
github.com/pkg/errors v0.9.1 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/sonh/qs v0.6.2 // indirect
go.uber.org/atomic v1.10.0 // indirect
go.uber.org/multierr v1.8.0 // indirect
go.uber.org/zap v1.21.0 // indirect
golang.org/x/crypto v0.4.0 // indirect
golang.org/x/exp v0.0.0-20221217163422-3c43f8badb15 // indirect
golang.org/x/mod v0.7.0 // indirect
@ -48,5 +51,6 @@ require (
golang.org/x/text v0.5.0 // indirect
golang.org/x/tools v0.4.0 // indirect
gopkg.in/guregu/null.v4 v4.0.0 // indirect
gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

27
go.sum
View file

@ -7,8 +7,11 @@ dmitri.shuralyov.com/html/belt v0.0.0-20180602232347-f7d459c86be0/go.mod h1:JLBr
dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1:a1inKt/atXimZ4Mv927x+r7UpyzRUf4emIoiiSC2TN4=
dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
@ -27,8 +30,6 @@ github.com/eosswedenorg-go/leapapi v0.2.2 h1:gNS36V261Y21QjevQ13UV9glb7WbDgdGPbi
github.com/eosswedenorg-go/leapapi v0.2.2/go.mod h1:hyfjHswFjcnWMqOb+cYvTrT6l34S80GrFvfOdcYugnM=
github.com/eosswedenorg-go/pid v1.0.1 h1:W4AEnnNwb041SpNR1uTZ/KbJ0OTA5eqiqIR1Q5Ah6A0=
github.com/eosswedenorg-go/pid v1.0.1/go.mod h1:wiOB/JXGt4YA3+T0j0xmCGSc3Jxzb7Ti/Ftli1fgWu4=
github.com/eosswedenorg-go/tcp_server v0.2.1 h1:xu+b/HfW6cpatBClzZYcM4D7V0u9pqlYVYlIVfntjtI=
github.com/eosswedenorg-go/tcp_server v0.2.1/go.mod h1:3+3QlVIS8UY6eGDP78lg2km6/XFEk/JLbwOr5MfwW/g=
github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
github.com/francoispqt/gojay v1.2.13/go.mod h1:ehT5mTG4ua4581f1++1WLG0vPdaA9HaiDsoyrBGkyDY=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
@ -158,6 +159,9 @@ github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1y
github.com/onsi/gomega v1.13.0/go.mod h1:lRk9szgn8TxENtWd0Tp4c3wjlRfMTMH27I+3Je41yGY=
github.com/onsi/gomega v1.24.1 h1:KORJXNNTzJXzu4ScJWssJfJMnJ+2QJqhoQSRwNlze9E=
github.com/openzipkin/zipkin-go v0.1.1/go.mod h1:NtoC/o8u3JlF1lSlyPNswIbeQH9bJTmOf0Erfk+hxe8=
github.com/panjf2000/ants/v2 v2.7.1 h1:qBy5lfSdbxvrR0yUnZfaEDjf0FlCw4ufsbcsxmE7r+M=
github.com/panjf2000/gnet/v2 v2.2.2 h1:pTPX34uFB7VMl2p5k/7WspNu58oRqFYq1n6XUhaiBn0=
github.com/panjf2000/gnet/v2 v2.2.2/go.mod h1:Q34YBnJNDFLsVBC4TiGD3uN+imoXrunFnecs/4FYcx4=
github.com/pborman/getopt/v2 v2.1.0 h1:eNfR+r+dWLdWmV8g5OlpyrTYHkhVNxHBdN2cCrJmOEA=
github.com/pborman/getopt/v2 v2.1.0/go.mod h1:4NtW75ny4eBw9fO1bhtNdYTlZKYX5/tBLtsOpwKIKd0=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@ -210,12 +214,23 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07/go.mod h1:kDXzergiv9cbyO7IOYJZWg1U88JhDg3PB6klq9Hg2pA=
github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
github.com/viant/assertly v0.4.8/go.mod h1:aGifi++jvCrUaklKEKT0BU95igDNaqkvz+49uaYMPRU=
github.com/viant/toolbox v0.24.0/go.mod h1:OxMCG57V0PXuIP2HNQrtJf2CjqdmbrOx5EkMILuUhzM=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
go.opencensus.io v0.18.0/go.mod h1:vKdFvxhtzZ9onBp9VKHK8z/sRpBMnKAsufL7wlDrCOA=
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
go.uber.org/atomic v1.10.0 h1:9qC72Qh0+3MqyJbAn8YU5xVq1frD8bn3JtD2oXtafVQ=
go.uber.org/atomic v1.10.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
go.uber.org/goleak v1.1.11 h1:wy28qYRKZgnJTxGxvye5/wgWr1EKjmUDGYox5mGlRlI=
go.uber.org/goleak v1.1.11/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
go.uber.org/multierr v1.8.0 h1:dg6GjLku4EH+249NNmoIciG9N/jURbDG+pFlTkhzIC8=
go.uber.org/multierr v1.8.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95ak=
go.uber.org/zap v1.21.0 h1:WefMeulhovoZ2sYXz7st6K0sLj7bBhpiFaud4r4zST8=
go.uber.org/zap v1.21.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw=
go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d/go.mod h1:OWs+y06UdEOHN4y+MfF/py+xQ/tYqIWW03b70/CG9Rw=
golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@ -234,6 +249,7 @@ golang.org/x/exp v0.0.0-20221217163422-3c43f8badb15/go.mod h1:CxIveKay+FTh1D0yPZ
golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
@ -322,10 +338,12 @@ golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGm
golang.org/x/tools v0.0.0-20181030000716-a0a13e073c7b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.4.0 h1:7mTAgkunk3fr4GAloyyCasadO6h9zSsQZbwvcaIciV4=
golang.org/x/tools v0.4.0/go.mod h1:UE5sM2OK9E/d67R0ANs2xJizIymRP5gJU295PvKXxjQ=
@ -366,14 +384,19 @@ gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMy
gopkg.in/guregu/null.v4 v4.0.0 h1:1Wm3S1WEA2I26Kq+6vcW+w0gcDo44YKYD7YIEJNHDjg=
gopkg.in/guregu/null.v4 v4.0.0/go.mod h1:YoQhUrADuG3i9WqesrCmpNRwm1ypAgSHYqoOcTu/JrI=
gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
grpc.go4.org v0.0.0-20170609214715-11d0a25b4919/go.mod h1:77eQGdRu53HpSqPFJFmuJdjuHRquDANNeA4x7B8WQ9o=

View file

@ -1,64 +1,111 @@
package server
import (
"context"
"fmt"
"strings"
"time"
"github.com/eosswedenorg-go/haproxy/agentcheck"
"github.com/eosswedenorg-go/tcp_server"
"github.com/eosswedenorg/antelope-api-healthcheck/internal/api"
log "github.com/inconshreveable/log15"
"github.com/panjf2000/gnet/v2"
)
// onTcpMessage callback function
// ---------------------------------------------------------
type Server struct {
gnet.BuiltinEventEngine
func onTcpMessage(c *tcp_server.Client, args string) {
addr string
eng gnet.Engine
}
func New(addr string) *Server {
return &Server{
addr: fmt.Sprintf("tcp://%s", addr),
}
}
// OnBoot callback function
//
// ---------------------------------------------------------
func (s *Server) OnBoot(eng gnet.Engine) gnet.Action {
s.eng = eng
log.Info("Server started", "addr", s.addr)
return gnet.None
}
// OnShutdown callback function
//
// ---------------------------------------------------------
func (s *Server) OnShutdown(eng gnet.Engine) {
log.Info("Server shutdown")
}
// OnTick callback function
//
// ---------------------------------------------------------
func (s *Server) OnTick() (time.Duration, gnet.Action) {
log.Info("Server info", "connections", s.eng.CountConnections())
return time.Second * 10, gnet.None
}
// OnTraffic callback function
//
// ---------------------------------------------------------
func (s *Server) OnTraffic(c gnet.Conn) gnet.Action {
logger := log.Root()
req, err := c.Next(-1)
if err != nil {
logger.Error("Read", "message", err)
return gnet.Close
}
// Check api.
// -------------------
healthCheckApi, err := ParseRequest(args)
healthCheckApi, err := ParseRequest(string(req))
if err != nil {
logger.Warn("Agent request error", "message", err)
resp := agentcheck.NewStatusMessageResponse(agentcheck.Fail, "")
_, err = c.WriteString(resp.String())
_, err = c.Write([]byte(resp.String()))
if err != nil {
logger.Error("WriteString", "message", err)
logger.Error("Write", "message", err)
}
c.Close()
return
return gnet.Close
}
status, msg := healthCheckApi.Call()
// gnet library does not like blocking calls.
// as we do a blocking http call here, we need to wrap it in a goroutine.
go func() {
status, msg := healthCheckApi.Call()
params := api.LogParams{}
params.Add("status", strings.TrimSpace(status.String()))
params := api.LogParams{}
params.Add("status", strings.TrimSpace(status.String()))
if msg != "OK" && len(msg) > 0 {
params.Add("error", msg)
}
if msg != "OK" && len(msg) > 0 {
params.Add("error", msg)
}
logger.Info("API Check", params.Combine(healthCheckApi.LogInfo())...)
// Report status to HAproxy
_, err = c.WriteString(status.String())
if err != nil {
logger.Error("WriteString", "message", err)
}
c.Close()
logger.Info("API Check", params.Combine(healthCheckApi.LogInfo())...)
// Report status to HAproxy
err = c.AsyncWrite([]byte(status.String()), nil)
if err != nil {
logger.Error("Write", "message", err)
}
}()
return gnet.None
}
// Start
func (s *Server) Close() error {
return s.eng.Stop(context.Background())
}
// Run the server event loop.
//
// ---------------------------------------------------------
func Start(addr string) (*tcp_server.Server, error) {
server := tcp_server.New(addr)
server.OnMessage(onTcpMessage)
err := server.Connect()
if err == nil {
err = server.Listen()
}
return server, err
func (s *Server) Run() error {
return gnet.Run(s, s.addr, gnet.WithMulticore(true), gnet.WithTicker(true))
}