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Pull request: 2552 rm context.TODO() instances

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Merge in DNS/adguard-home from 2552-context to master

Closes .

Squashed commit of the following:

commit 3d1cef33da529f4611869c4a0f2f294a3c8afcaf
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Tue Jan 26 19:28:23 2021 +0300

    all: fix docs

commit d08c78cf4b96419b928e73c497768f40c9e47bc2
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Tue Jan 26 19:22:00 2021 +0300

    all: doc changes

commit c2814f4d0025be74f38299e7e66e7c0193b6c15f
Merge: 100a1a09 44c7221a
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Tue Jan 26 19:12:55 2021 +0300

    Merge branch 'master' into 2552-context

commit 100a1a0957bc22bfaccb1693e6b9b1c5cb53ed13
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Tue Jan 26 19:10:03 2021 +0300

    home: imp docs, fix naming

commit 22717abe6c0e4c1016a53ff2fac1689d0762c462
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Tue Jan 26 18:14:07 2021 +0300

    home: improve code quality

commit 5c96f77a2b315e2c1ad4a11cc7a64f61bdba52a3
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Mon Jan 25 20:28:51 2021 +0300

    home: add docs

commit 323fc013a57a5c06ec391003133b12f4eb2721cd
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Mon Jan 25 14:50:11 2021 +0300

    home: rm context.TODO() instances
This commit is contained in:
Eugene Burkov 2021-01-26 19:44:19 +03:00
parent 44c7221ae9
commit c215b82004
9 changed files with 106 additions and 58 deletions
internal/home
tls.go

24
internal/home/tls.go
View file

@ -1,6 +1,7 @@
package home
import (
"context"
"crypto"
"crypto/ecdsa"
"crypto/rsa"
@ -92,7 +93,7 @@ func (t *TLSMod) setCertFileTime() {
t.certLastMod = fi.ModTime().UTC()
}
// Start - start the module
// Start updates the configuration of TLSMod and starts it.
func (t *TLSMod) Start() {
if !tlsWebHandlersRegistered {
tlsWebHandlersRegistered = true
@ -102,10 +103,14 @@ func (t *TLSMod) Start() {
t.confLock.Lock()
tlsConf := t.conf
t.confLock.Unlock()
Context.web.TLSConfigChanged(tlsConf)
// The background context is used because the TLSConfigChanged wraps
// context with timeout on its own and shuts down the server, which
// handles current request.
Context.web.TLSConfigChanged(context.Background(), tlsConf)
}
// Reload - reload certificate file
// Reload updates the configuration of TLSMod and restarts it.
func (t *TLSMod) Reload() {
t.confLock.Lock()
tlsConf := t.conf
@ -139,7 +144,10 @@ func (t *TLSMod) Reload() {
t.confLock.Lock()
tlsConf = t.conf
t.confLock.Unlock()
Context.web.TLSConfigChanged(tlsConf)
// The background context is used because the TLSConfigChanged wraps
// context with timeout on its own and shuts down the server, which
// handles current request.
Context.web.TLSConfigChanged(context.Background(), tlsConf)
}
// Set certificate and private key data
@ -296,11 +304,13 @@ func (t *TLSMod) handleTLSConfigure(w http.ResponseWriter, r *http.Request) {
f.Flush()
}
// this needs to be done in a goroutine because Shutdown() is a blocking call, and it will block
// until all requests are finished, and _we_ are inside a request right now, so it will block indefinitely
// The background context is used because the TLSConfigChanged wraps
// context with timeout on its own and shuts down the server, which
// handles current request. It is also should be done in a separate
// goroutine due to the same reason.
if restartHTTPS {
go func() {
Context.web.TLSConfigChanged(data)
Context.web.TLSConfigChanged(context.Background(), data)
}()
}
}