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move StringSet to utils package
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@ -5,6 +5,8 @@ package irc
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import (
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"sync"
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"github.com/oragono/oragono/irc/utils"
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)
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type channelManagerEntry struct {
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@ -23,17 +25,17 @@ type ChannelManager struct {
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sync.RWMutex // tier 2
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// chans is the main data structure, mapping casefolded name -> *Channel
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chans map[string]*channelManagerEntry
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chansSkeletons StringSet // skeletons of *unregistered* chans
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registeredChannels StringSet // casefolds of registered chans
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registeredSkeletons StringSet // skeletons of registered chans
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purgedChannels StringSet // casefolds of purged chans
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chansSkeletons utils.StringSet // skeletons of *unregistered* chans
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registeredChannels utils.StringSet // casefolds of registered chans
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registeredSkeletons utils.StringSet // skeletons of registered chans
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purgedChannels utils.StringSet // casefolds of purged chans
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server *Server
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}
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// NewChannelManager returns a new ChannelManager.
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func (cm *ChannelManager) Initialize(server *Server) {
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cm.chans = make(map[string]*channelManagerEntry)
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cm.chansSkeletons = make(StringSet)
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cm.chansSkeletons = make(utils.StringSet)
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cm.server = server
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cm.loadRegisteredChannels(server.Config())
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@ -47,8 +49,8 @@ func (cm *ChannelManager) loadRegisteredChannels(config *Config) {
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}
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rawNames := cm.server.channelRegistry.AllChannels()
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registeredChannels := make(StringSet, len(rawNames))
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registeredSkeletons := make(StringSet, len(rawNames))
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registeredChannels := make(utils.StringSet, len(rawNames))
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registeredSkeletons := make(utils.StringSet, len(rawNames))
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for _, name := range rawNames {
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cfname, err := CasefoldChannel(name)
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if err == nil {
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@ -4,15 +4,16 @@
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package irc
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import (
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"encoding/json"
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"fmt"
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"strconv"
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"strings"
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"time"
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"encoding/json"
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"github.com/tidwall/buntdb"
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"github.com/oragono/oragono/irc/modes"
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"github.com/tidwall/buntdb"
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"github.com/oragono/oragono/irc/utils"
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)
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// this is exclusively the *persistence* layer for channel registration;
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@ -140,8 +141,8 @@ func (reg *ChannelRegistry) AllChannels() (result []string) {
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}
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// PurgedChannels returns the set of all casefolded channel names that have been purged
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func (reg *ChannelRegistry) PurgedChannels() (result map[string]empty) {
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result = make(map[string]empty)
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func (reg *ChannelRegistry) PurgedChannels() (result utils.StringSet) {
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result = make(utils.StringSet)
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prefix := fmt.Sprintf(keyChannelPurged, "")
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reg.server.store.View(func(tx *buntdb.Tx) error {
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@ -150,7 +151,7 @@ func (reg *ChannelRegistry) PurgedChannels() (result map[string]empty) {
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return false
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}
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channel := strings.TrimPrefix(key, prefix)
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result[channel] = empty{}
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result.Add(channel)
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return true
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})
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})
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@ -64,7 +64,7 @@ type Client struct {
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destroyed bool
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modes modes.ModeSet
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hostname string
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invitedTo StringSet
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invitedTo utils.StringSet
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isSTSOnly bool
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languages []string
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lastActive time.Time // last time they sent a command that wasn't PONG or similar
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@ -1641,7 +1641,7 @@ func (client *Client) Invite(casefoldedChannel string) {
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defer client.stateMutex.Unlock()
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if client.invitedTo == nil {
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client.invitedTo = make(StringSet)
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client.invitedTo = make(utils.StringSet)
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}
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client.invitedTo.Add(casefoldedChannel)
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@ -5,11 +5,13 @@ package irc
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import (
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"testing"
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"github.com/oragono/oragono/irc/utils"
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)
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func TestGenerateBatchID(t *testing.T) {
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var session Session
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s := make(StringSet)
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s := make(utils.StringSet)
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count := 100000
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for i := 0; i < count; i++ {
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@ -624,8 +624,8 @@ type Config struct {
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// OperClass defines an assembled operator class.
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type OperClass struct {
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Title string
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WhoisLine string `yaml:"whois-line"`
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Capabilities StringSet // map to make lookups much easier
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WhoisLine string `yaml:"whois-line"`
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Capabilities utils.StringSet // map to make lookups much easier
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}
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// OperatorClasses returns a map of assembled operator classes from the given config.
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@ -663,7 +663,7 @@ func (conf *Config) OperatorClasses() (map[string]*OperClass, error) {
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// create new operclass
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var oc OperClass
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oc.Capabilities = make(StringSet)
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oc.Capabilities = make(utils.StringSet)
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// get inhereted info from other operclasses
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if len(info.Extends) > 0 {
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11
irc/types.go
11
irc/types.go
@ -28,17 +28,6 @@ func (clients ClientSet) Has(client *Client) bool {
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return ok
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}
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type StringSet map[string]empty
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func (s StringSet) Has(str string) bool {
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_, ok := s[str]
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return ok
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}
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func (s StringSet) Add(str string) {
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s[str] = empty{}
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}
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// MemberSet is a set of members with modes.
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type MemberSet map[*Client]*modes.ModeSet
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@ -10,27 +10,25 @@ import (
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"time"
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)
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type e struct{}
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// Semaphore is a counting semaphore.
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// A semaphore of capacity 1 can be used as a trylock.
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type Semaphore (chan e)
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type Semaphore (chan empty)
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// Initialize initializes a semaphore to a given capacity.
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func (semaphore *Semaphore) Initialize(capacity int) {
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*semaphore = make(chan e, capacity)
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*semaphore = make(chan empty, capacity)
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}
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// Acquire acquires a semaphore, blocking if necessary.
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func (semaphore *Semaphore) Acquire() {
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(*semaphore) <- e{}
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(*semaphore) <- empty{}
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}
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// TryAcquire tries to acquire a semaphore, returning whether the acquire was
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// successful. It never blocks.
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func (semaphore *Semaphore) TryAcquire() (acquired bool) {
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select {
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case (*semaphore) <- e{}:
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case (*semaphore) <- empty{}:
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return true
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default:
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return false
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@ -47,7 +45,7 @@ func (semaphore *Semaphore) AcquireWithTimeout(timeout time.Duration) (acquired
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timer := time.NewTimer(timeout)
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select {
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case (*semaphore) <- e{}:
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case (*semaphore) <- empty{}:
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acquired = true
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case <-timer.C:
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acquired = false
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@ -61,7 +59,7 @@ func (semaphore *Semaphore) AcquireWithTimeout(timeout time.Duration) (acquired
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// Note that if the context is already expired, the acquire may succeed anyway.
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func (semaphore *Semaphore) AcquireWithContext(ctx context.Context) (acquired bool) {
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select {
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case (*semaphore) <- e{}:
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case (*semaphore) <- empty{}:
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acquired = true
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case <-ctx.Done():
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acquired = false
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17
irc/utils/types.go
Normal file
17
irc/utils/types.go
Normal file
@ -0,0 +1,17 @@
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// Copyright (c) 2020 Shivaram Lingamneni
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// released under the MIT license
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package utils
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type empty struct{}
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type StringSet map[string]empty
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func (s StringSet) Has(str string) bool {
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_, ok := s[str]
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return ok
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}
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func (s StringSet) Add(str string) {
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s[str] = empty{}
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}
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@ -10,6 +10,7 @@ import (
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"time"
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"github.com/oragono/oragono/irc/history"
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"github.com/oragono/oragono/irc/utils"
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)
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const (
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@ -62,7 +63,7 @@ func timeToZncWireTime(t time.Time) (result string) {
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type zncPlaybackTimes struct {
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start time.Time
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end time.Time
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targets StringSet // nil for "*" (everything), otherwise the channel names
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targets utils.StringSet // nil for "*" (everything), otherwise the channel names
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setAt time.Time
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}
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@ -122,7 +123,7 @@ func zncPlaybackPlayHandler(client *Client, command string, params []string, rb
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end = zncWireTimeToTime(params[3])
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}
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var targets StringSet
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var targets utils.StringSet
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var nickTargets []string
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// three cases:
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@ -145,7 +146,7 @@ func zncPlaybackPlayHandler(client *Client, command string, params []string, rb
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if params[1] == "*" {
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playPrivmsgs = true // XXX nil `targets` means "every channel"
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} else {
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targets = make(StringSet)
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targets = make(utils.StringSet)
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for _, targetName := range strings.Split(targetString, ",") {
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if targetName == "*self" {
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playPrivmsgs = true
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