mirror of
https://github.com/ergochat/ergo.git
synced 2024-12-23 11:12:44 +01:00
79 lines
2.0 KiB
Go
79 lines
2.0 KiB
Go
// Copyright (c) 2017 Daniel Oaks <daniel@danieloaks.net>
|
|
// released under the MIT license
|
|
|
|
package irc
|
|
|
|
import (
|
|
"strconv"
|
|
"time"
|
|
|
|
"github.com/goshuirc/irc-go/ircmsg"
|
|
"github.com/oragono/oragono/irc/caps"
|
|
)
|
|
|
|
const (
|
|
// maxBatchID is the maximum ID the batch counter can get to before it rotates.
|
|
//
|
|
// Batch IDs are made up of the current unix timestamp plus a rolling int ID that's
|
|
// incremented for every new batch. It's an alright solution and will work unless we get
|
|
// more than maxId batches per nanosecond. Later on when we have S2S linking, the batch
|
|
// ID will also contain the server ID to ensure they stay unique.
|
|
maxBatchID uint64 = 60000
|
|
)
|
|
|
|
// BatchManager helps generate new batches and new batch IDs.
|
|
type BatchManager struct {
|
|
idCounter uint64
|
|
}
|
|
|
|
// NewBatchManager returns a new Manager.
|
|
func NewBatchManager() *BatchManager {
|
|
return &BatchManager{}
|
|
}
|
|
|
|
// NewID returns a new batch ID that should be unique.
|
|
func (bm *BatchManager) NewID() string {
|
|
bm.idCounter++
|
|
if maxBatchID < bm.idCounter {
|
|
bm.idCounter = 0
|
|
}
|
|
|
|
return strconv.FormatInt(time.Now().UnixNano(), 36) + strconv.FormatUint(bm.idCounter, 36)
|
|
}
|
|
|
|
// Batch represents an IRCv3 batch.
|
|
type Batch struct {
|
|
ID string
|
|
Type string
|
|
Params []string
|
|
}
|
|
|
|
// New returns a new batch.
|
|
func (bm *BatchManager) New(batchType string, params ...string) *Batch {
|
|
newBatch := Batch{
|
|
ID: bm.NewID(),
|
|
Type: batchType,
|
|
Params: params,
|
|
}
|
|
|
|
return &newBatch
|
|
}
|
|
|
|
// Start sends the batch start message to this client
|
|
func (b *Batch) Start(client *Client, tags *map[string]ircmsg.TagValue) {
|
|
if client.capabilities.Has(caps.Batch) {
|
|
params := []string{"+" + b.ID, b.Type}
|
|
for _, param := range b.Params {
|
|
params = append(params, param)
|
|
}
|
|
client.Send(tags, client.server.name, "BATCH", params...)
|
|
}
|
|
}
|
|
|
|
// End sends the batch end message to this client
|
|
func (b *Batch) End(client *Client) {
|
|
if client.capabilities.Has(caps.Batch) {
|
|
client.Send(nil, client.server.name, "BATCH", "-"+b.ID)
|
|
}
|
|
}
|