feat(GODT-2522): Select Fetch benchmark

benchmarks/gluon_bench/imap_benchmarks/select_fetch.go

@@ -0,0 +1,72 @@
+package imap_benchmarks
+
+import (
+	"context"
+	"flag"
+	"github.com/emersion/go-imap"
+	"net"
+
+	"github.com/ProtonMail/gluon/benchmarks/gluon_bench/benchmark"
+	"github.com/bradenaw/juniper/xslices"
+	"github.com/emersion/go-imap/client"
+)
+
+var (
+	selectFetchRepetitionsFlag = flag.Uint("imap-select-fetch-repeat", 50, "Number of times to repeat the request.")
+)
+
+type SelectFetch struct {
+	*stateTracker
+	mboxInfo []MailboxInfo
+}
+
+func NewSelectFetch() benchmark.Benchmark {
+	return NewIMAPBenchmarkRunner(&SelectFetch{stateTracker: newStateTracker()})
+}
+
+func (*SelectFetch) Name() string {
+	return "imap-select-fetch"
+}
+
+func (e *SelectFetch) Setup(ctx context.Context, addr net.Addr) error {
+	return WithClient(addr, func(cl *client.Client) error {
+		for i := uint(0); i < *selectFetchRepetitionsFlag; i++ {
+			if _, err := e.createAndFillRandomMBox(cl); err != nil {
+				return err
+			}
+		}
+
+		e.mboxInfo = xslices.Map(e.MBoxes, func(m string) MailboxInfo {
+			return MailboxInfo{Name: m, ReadOnly: false}
+		})
+		return nil
+	})
+}
+
+func (e *SelectFetch) TearDown(ctx context.Context, addr net.Addr) error {
+	return e.cleanupWithAddr(addr)
+}
+
+func (e *SelectFetch) Run(ctx context.Context, addr net.Addr) error {
+	RunParallelClients(addr, func(cl *client.Client, u uint) {
+		for i := uint(0); i < *selectFetchRepetitionsFlag; i++ {
+			if _, err := cl.Select(e.mboxInfo[i].Name, e.mboxInfo[i].ReadOnly); err != nil {
+				panic(err)
+			}
+
+			if err := FetchMessage(cl, NewSequenceSetAll(), imap.FetchUid, imap.FetchFlags); err != nil {
+				panic(err)
+			}
+
+			if err := cl.Unselect(); err != nil {
+				panic(err)
+			}
+		}
+	})
+
+	return nil
+}
+
+func init() {
+	benchmark.RegisterBenchmark(NewSelectFetch())
+}

benchmarks/gluon_bench/utils/messages.go

@@ -65,6 +65,7 @@ dGhpcyBpcyBteSBhdHRhY2htZW50Cg==
 const MessageAfterNoonMeeting = `Date: Mon, 7 Feb 1994 21:52:25 -0800 (PST)
 From: Fred Foobar <foobar@Blurdybloop.COM>
 Subject: afternoon meeting
+Date: Fri, 26 Mar 2021 20:01:23 +0100
 To: mooch@owatagu.siam.edu
 Message-Id: <B27397-0100000@Blurdybloop.COM>
 MIME-Version: 1.0
@@ -77,6 +78,7 @@ const MessageEmbedded = `From: Nathaniel Borenstein <nsb@bellcore.com>
 To:  Ned Freed <ned@innosoft.com>
 Subject: Sample message
 MIME-Version: 1.0
+Date: Fri, 26 Mar 2021 20:01:23 +0100
 Content-type: multipart/mixed; boundary="simple boundary"
 
 This is the preamble.  It is to be ignored, though it