From 06a7453984adca0b34e62421a1baa8fe54b0d7bb Mon Sep 17 00:00:00 2001 From: "kali kaneko (leap communications)" Date: Mon, 22 Jun 2020 22:00:23 +0200 Subject: [refactor] several simplifications after review - simplify notification routine (we dont need no rejected action). we just check every hour, as in the original code. - open links directly from Qt - rename some global variables to make them less cryptic - move cleanup function to the same module that created them --- pkg/backend/api.go | 18 ++---------------- pkg/backend/callbacks.go | 20 ++++++++++---------- pkg/backend/cleanup.go | 13 +++---------- pkg/backend/donate.go | 31 +++++++++++++++++-------------- pkg/backend/status.go | 11 +++++++---- 5 files changed, 39 insertions(+), 54 deletions(-) (limited to 'pkg/backend') diff --git a/pkg/backend/api.go b/pkg/backend/api.go index 74220ed..cf9ec5c 100644 --- a/pkg/backend/api.go +++ b/pkg/backend/api.go @@ -6,7 +6,6 @@ import ( "C" "fmt" "log" - "time" "unsafe" "0xacab.org/leap/bitmask-vpn/pkg/bitmask" @@ -34,17 +33,13 @@ func Quit() { ctx.cfg.SetUserStoppedVPN(true) stopVPN() } - cleanupTempDirs() + cleanup() } func DonateAccepted() { donateAccepted() } -func DonateRejected() { - donateRejected() -} - func SubscribeToEvent(event string, f unsafe.Pointer) { subscribe(event, f) } @@ -53,17 +48,8 @@ func InitializeBitmaskContext() { p := bitmask.GetConfiguredProvider() initOnce.Do(func() { initializeContext(p.Provider, p.AppName) }) + runDonationReminder() go ctx.updateStatus() - - go func() { - if needsDonationReminder() { - // wait a bit before launching reminder - timer := time.NewTimer(time.Minute * 5) - <-timer.C - showDonate() - } - - }() } func RefreshContext() *C.char { diff --git a/pkg/backend/callbacks.go b/pkg/backend/callbacks.go index f3bb39f..5fb8642 100644 --- a/pkg/backend/callbacks.go +++ b/pkg/backend/callbacks.go @@ -19,11 +19,11 @@ import ( // } import "C" -/* callbacks into C-land */ +/* callbacks into C-land. We keep a registry, and protect its updates with a mutex. */ + +var callbacks = make(map[string](*[0]byte)) +var callbackMutex sync.Mutex -var mut sync.Mutex -var stmut sync.Mutex -var cbs = make(map[string](*[0]byte)) var initOnce sync.Once // Events are just a enumeration of all the posible events that C functions can @@ -38,23 +38,23 @@ const OnStatusChanged string = "OnStatusChanged" // subscribe registers a callback from C-land. // This callback needs to be passed as a void* C function pointer. func subscribe(event string, fp unsafe.Pointer) { - mut.Lock() - defer mut.Unlock() + callbackMutex.Lock() + defer callbackMutex.Unlock() e := &Events{} v := reflect.Indirect(reflect.ValueOf(&e)) hf := v.Elem().FieldByName(event) if reflect.ValueOf(hf).IsZero() { fmt.Println("ERROR: not a valid event:", event) } else { - cbs[event] = (*[0]byte)(fp) + callbacks[event] = (*[0]byte)(fp) } } // trigger fires a callback from C-land. func trigger(event string) { - mut.Lock() - defer mut.Unlock() - cb := cbs[event] + callbackMutex.Lock() + defer callbackMutex.Unlock() + cb := callbacks[event] if cb != nil { C._do_callback(cb) } else { diff --git a/pkg/backend/cleanup.go b/pkg/backend/cleanup.go index 77c55e6..16f36e4 100644 --- a/pkg/backend/cleanup.go +++ b/pkg/backend/cleanup.go @@ -1,16 +1,9 @@ package backend import ( - "log" - "os" - "path" - "path/filepath" + "0xacab.org/leap/bitmask-vpn/pkg/vpn" ) -func cleanupTempDirs() { - dirs, _ := filepath.Glob(path.Join(os.TempDir(), "leap-*")) - for _, d := range dirs { - log.Println("removing temp dir:", d) - os.RemoveAll(d) - } +func cleanup() { + vpn.Cleanup() } diff --git a/pkg/backend/donate.go b/pkg/backend/donate.go index 608128f..20d5613 100644 --- a/pkg/backend/donate.go +++ b/pkg/backend/donate.go @@ -1,12 +1,24 @@ package backend import ( - "log" "time" "0xacab.org/leap/bitmask-vpn/pkg/config" ) +// runDonationReminder checks every hour if we need to show the reminder, +// and trigger the launching of the dialog if needed. +func runDonationReminder() { + go func() { + for { + time.Sleep(time.Hour) + if needsDonationReminder() { + showDonate() + } + } + }() +} + func wantDonations() bool { if config.AskForDonations == "true" { return true @@ -19,25 +31,16 @@ func needsDonationReminder() bool { } func donateAccepted() { - stmut.Lock() - defer stmut.Unlock() + statusMutex.Lock() + defer statusMutex.Unlock() ctx.DonateDialog = false - log.Println("marking as donated") ctx.cfg.SetDonated() go trigger(OnStatusChanged) } -func donateRejected() { - timer := time.NewTimer(time.Hour) - go func() { - <-timer.C - showDonate() - }() -} - func showDonate() { - stmut.Lock() - defer stmut.Unlock() + statusMutex.Lock() + defer statusMutex.Unlock() ctx.DonateDialog = true ctx.cfg.SetLastReminded() go trigger(OnStatusChanged) diff --git a/pkg/backend/status.go b/pkg/backend/status.go index 2e9c282..2bfb52d 100644 --- a/pkg/backend/status.go +++ b/pkg/backend/status.go @@ -4,6 +4,7 @@ import ( "bytes" "encoding/json" "log" + "sync" "0xacab.org/leap/bitmask-vpn/pkg/bitmask" "0xacab.org/leap/bitmask-vpn/pkg/config" @@ -17,6 +18,8 @@ const ( failedStr = "failed" ) +var statusMutex sync.Mutex + // ctx will be our glorious global object. // if we ever switch again to a provider-agnostic app, we should keep a map here. var ctx *connectionCtx @@ -42,8 +45,8 @@ type connectionCtx struct { } func (c connectionCtx) toJson() ([]byte, error) { - stmut.Lock() - defer stmut.Unlock() + statusMutex.Lock() + defer statusMutex.Unlock() b, err := json.Marshal(c) if err != nil { log.Println(err) @@ -69,8 +72,8 @@ func (c connectionCtx) updateStatus() { } func setStatus(st status) { - stmut.Lock() - defer stmut.Unlock() + statusMutex.Lock() + defer statusMutex.Unlock() ctx.Status = st go trigger(OnStatusChanged) } -- cgit v1.2.3