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all: Support multiple device connections (fixes #141) (#8918)

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This adds the ability to have multiple concurrent connections to a single device. This is primarily useful when the network has multiple physical links for aggregated bandwidth. A single connection will never see a higher rate than a single link can give, but multiple connections are load-balanced over multiple links.

It is also incidentally useful for older multi-core CPUs, where bandwidth could be limited by the TLS performance of a single CPU core -- using multiple connections achieves concurrency in the required crypto calculations...

Co-authored-by: Simon Frei <freisim93@gmail.com>
Co-authored-by: tomasz1986 <twilczynski@naver.com>
Co-authored-by: bt90 <btom1990@googlemail.com>
This commit is contained in:
Jakob Borg
2023-09-06 12:52:01 +02:00
committed by GitHub
co-authored by Simon Frei tomasz1986 bt90
parent 38bbdebffa
commit c6334e61aa
41 changed files with 1640 additions and 933 deletions
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lib/model/testutils_test.go
+5 -3
View File
@@ -39,7 +39,9 @@ func init() {
device1, _ = protocol.DeviceIDFromString("AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR")
device2, _ = protocol.DeviceIDFromString("GYRZZQB-IRNPV4Z-T7TC52W-EQYJ3TT-FDQW6MW-DFLMU42-SSSU6EM-FBK2VAY")
device1Conn.DeviceIDReturns(device1)
device1Conn.ConnectionIDReturns(rand.String(16))
device2Conn.DeviceIDReturns(device2)
device2Conn.ConnectionIDReturns(rand.String(16))
cfg := config.New(myID)
cfg.Options.MinHomeDiskFree.Value = 0 // avoids unnecessary free space checks
@@ -127,7 +129,7 @@ func setupModelWithConnectionFromWrapper(t testing.TB, w config.Wrapper) (*testM
func setupModel(t testing.TB, w config.Wrapper) *testModel {
t.Helper()
m := newModel(t, w, myID, "syncthing", "dev", nil)
m := newModel(t, w, myID, nil)
m.ServeBackground()
<-m.started
@@ -144,14 +146,14 @@ type testModel struct {
stopped chan struct{}
}
func newModel(t testing.TB, cfg config.Wrapper, id protocol.DeviceID, clientName, clientVersion string, protectedFiles []string) *testModel {
func newModel(t testing.TB, cfg config.Wrapper, id protocol.DeviceID, protectedFiles []string) *testModel {
t.Helper()
evLogger := events.NewLogger()
ldb, err := db.NewLowlevel(backend.OpenMemory(), evLogger)
if err != nil {
t.Fatal(err)
}
m := NewModel(cfg, id, clientName, clientVersion, ldb, protectedFiles, evLogger, protocol.NewKeyGenerator()).(*model)
m := NewModel(cfg, id, ldb, protectedFiles, evLogger, protocol.NewKeyGenerator()).(*model)
ctx, cancel := context.WithCancel(context.Background())
go evLogger.Serve(ctx)
return &testModel{