You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
439 lines
13 KiB
Go
439 lines
13 KiB
Go
package redis
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
)
|
|
|
|
type StreamCmdable interface {
|
|
XAdd(ctx context.Context, a *XAddArgs) *StringCmd
|
|
XDel(ctx context.Context, stream string, ids ...string) *IntCmd
|
|
XLen(ctx context.Context, stream string) *IntCmd
|
|
XRange(ctx context.Context, stream, start, stop string) *XMessageSliceCmd
|
|
XRangeN(ctx context.Context, stream, start, stop string, count int64) *XMessageSliceCmd
|
|
XRevRange(ctx context.Context, stream string, start, stop string) *XMessageSliceCmd
|
|
XRevRangeN(ctx context.Context, stream string, start, stop string, count int64) *XMessageSliceCmd
|
|
XRead(ctx context.Context, a *XReadArgs) *XStreamSliceCmd
|
|
XReadStreams(ctx context.Context, streams ...string) *XStreamSliceCmd
|
|
XGroupCreate(ctx context.Context, stream, group, start string) *StatusCmd
|
|
XGroupCreateMkStream(ctx context.Context, stream, group, start string) *StatusCmd
|
|
XGroupSetID(ctx context.Context, stream, group, start string) *StatusCmd
|
|
XGroupDestroy(ctx context.Context, stream, group string) *IntCmd
|
|
XGroupCreateConsumer(ctx context.Context, stream, group, consumer string) *IntCmd
|
|
XGroupDelConsumer(ctx context.Context, stream, group, consumer string) *IntCmd
|
|
XReadGroup(ctx context.Context, a *XReadGroupArgs) *XStreamSliceCmd
|
|
XAck(ctx context.Context, stream, group string, ids ...string) *IntCmd
|
|
XPending(ctx context.Context, stream, group string) *XPendingCmd
|
|
XPendingExt(ctx context.Context, a *XPendingExtArgs) *XPendingExtCmd
|
|
XClaim(ctx context.Context, a *XClaimArgs) *XMessageSliceCmd
|
|
XClaimJustID(ctx context.Context, a *XClaimArgs) *StringSliceCmd
|
|
XAutoClaim(ctx context.Context, a *XAutoClaimArgs) *XAutoClaimCmd
|
|
XAutoClaimJustID(ctx context.Context, a *XAutoClaimArgs) *XAutoClaimJustIDCmd
|
|
XTrimMaxLen(ctx context.Context, key string, maxLen int64) *IntCmd
|
|
XTrimMaxLenApprox(ctx context.Context, key string, maxLen, limit int64) *IntCmd
|
|
XTrimMinID(ctx context.Context, key string, minID string) *IntCmd
|
|
XTrimMinIDApprox(ctx context.Context, key string, minID string, limit int64) *IntCmd
|
|
XInfoGroups(ctx context.Context, key string) *XInfoGroupsCmd
|
|
XInfoStream(ctx context.Context, key string) *XInfoStreamCmd
|
|
XInfoStreamFull(ctx context.Context, key string, count int) *XInfoStreamFullCmd
|
|
XInfoConsumers(ctx context.Context, key string, group string) *XInfoConsumersCmd
|
|
}
|
|
|
|
// XAddArgs accepts values in the following formats:
|
|
// - XAddArgs.Values = []interface{}{"key1", "value1", "key2", "value2"}
|
|
// - XAddArgs.Values = []string("key1", "value1", "key2", "value2")
|
|
// - XAddArgs.Values = map[string]interface{}{"key1": "value1", "key2": "value2"}
|
|
//
|
|
// Note that map will not preserve the order of key-value pairs.
|
|
// MaxLen/MaxLenApprox and MinID are in conflict, only one of them can be used.
|
|
type XAddArgs struct {
|
|
Stream string
|
|
NoMkStream bool
|
|
MaxLen int64 // MAXLEN N
|
|
MinID string
|
|
// Approx causes MaxLen and MinID to use "~" matcher (instead of "=").
|
|
Approx bool
|
|
Limit int64
|
|
ID string
|
|
Values interface{}
|
|
}
|
|
|
|
func (c cmdable) XAdd(ctx context.Context, a *XAddArgs) *StringCmd {
|
|
args := make([]interface{}, 0, 11)
|
|
args = append(args, "xadd", a.Stream)
|
|
if a.NoMkStream {
|
|
args = append(args, "nomkstream")
|
|
}
|
|
switch {
|
|
case a.MaxLen > 0:
|
|
if a.Approx {
|
|
args = append(args, "maxlen", "~", a.MaxLen)
|
|
} else {
|
|
args = append(args, "maxlen", a.MaxLen)
|
|
}
|
|
case a.MinID != "":
|
|
if a.Approx {
|
|
args = append(args, "minid", "~", a.MinID)
|
|
} else {
|
|
args = append(args, "minid", a.MinID)
|
|
}
|
|
}
|
|
if a.Limit > 0 {
|
|
args = append(args, "limit", a.Limit)
|
|
}
|
|
if a.ID != "" {
|
|
args = append(args, a.ID)
|
|
} else {
|
|
args = append(args, "*")
|
|
}
|
|
args = appendArg(args, a.Values)
|
|
|
|
cmd := NewStringCmd(ctx, args...)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XDel(ctx context.Context, stream string, ids ...string) *IntCmd {
|
|
args := []interface{}{"xdel", stream}
|
|
for _, id := range ids {
|
|
args = append(args, id)
|
|
}
|
|
cmd := NewIntCmd(ctx, args...)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XLen(ctx context.Context, stream string) *IntCmd {
|
|
cmd := NewIntCmd(ctx, "xlen", stream)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XRange(ctx context.Context, stream, start, stop string) *XMessageSliceCmd {
|
|
cmd := NewXMessageSliceCmd(ctx, "xrange", stream, start, stop)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XRangeN(ctx context.Context, stream, start, stop string, count int64) *XMessageSliceCmd {
|
|
cmd := NewXMessageSliceCmd(ctx, "xrange", stream, start, stop, "count", count)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XRevRange(ctx context.Context, stream, start, stop string) *XMessageSliceCmd {
|
|
cmd := NewXMessageSliceCmd(ctx, "xrevrange", stream, start, stop)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XRevRangeN(ctx context.Context, stream, start, stop string, count int64) *XMessageSliceCmd {
|
|
cmd := NewXMessageSliceCmd(ctx, "xrevrange", stream, start, stop, "count", count)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
type XReadArgs struct {
|
|
Streams []string // list of streams and ids, e.g. stream1 stream2 id1 id2
|
|
Count int64
|
|
Block time.Duration
|
|
}
|
|
|
|
func (c cmdable) XRead(ctx context.Context, a *XReadArgs) *XStreamSliceCmd {
|
|
args := make([]interface{}, 0, 6+len(a.Streams))
|
|
args = append(args, "xread")
|
|
|
|
keyPos := int8(1)
|
|
if a.Count > 0 {
|
|
args = append(args, "count")
|
|
args = append(args, a.Count)
|
|
keyPos += 2
|
|
}
|
|
if a.Block >= 0 {
|
|
args = append(args, "block")
|
|
args = append(args, int64(a.Block/time.Millisecond))
|
|
keyPos += 2
|
|
}
|
|
args = append(args, "streams")
|
|
keyPos++
|
|
for _, s := range a.Streams {
|
|
args = append(args, s)
|
|
}
|
|
|
|
cmd := NewXStreamSliceCmd(ctx, args...)
|
|
if a.Block >= 0 {
|
|
cmd.setReadTimeout(a.Block)
|
|
}
|
|
cmd.SetFirstKeyPos(keyPos)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XReadStreams(ctx context.Context, streams ...string) *XStreamSliceCmd {
|
|
return c.XRead(ctx, &XReadArgs{
|
|
Streams: streams,
|
|
Block: -1,
|
|
})
|
|
}
|
|
|
|
func (c cmdable) XGroupCreate(ctx context.Context, stream, group, start string) *StatusCmd {
|
|
cmd := NewStatusCmd(ctx, "xgroup", "create", stream, group, start)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XGroupCreateMkStream(ctx context.Context, stream, group, start string) *StatusCmd {
|
|
cmd := NewStatusCmd(ctx, "xgroup", "create", stream, group, start, "mkstream")
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XGroupSetID(ctx context.Context, stream, group, start string) *StatusCmd {
|
|
cmd := NewStatusCmd(ctx, "xgroup", "setid", stream, group, start)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XGroupDestroy(ctx context.Context, stream, group string) *IntCmd {
|
|
cmd := NewIntCmd(ctx, "xgroup", "destroy", stream, group)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XGroupCreateConsumer(ctx context.Context, stream, group, consumer string) *IntCmd {
|
|
cmd := NewIntCmd(ctx, "xgroup", "createconsumer", stream, group, consumer)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XGroupDelConsumer(ctx context.Context, stream, group, consumer string) *IntCmd {
|
|
cmd := NewIntCmd(ctx, "xgroup", "delconsumer", stream, group, consumer)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
type XReadGroupArgs struct {
|
|
Group string
|
|
Consumer string
|
|
Streams []string // list of streams and ids, e.g. stream1 stream2 id1 id2
|
|
Count int64
|
|
Block time.Duration
|
|
NoAck bool
|
|
}
|
|
|
|
func (c cmdable) XReadGroup(ctx context.Context, a *XReadGroupArgs) *XStreamSliceCmd {
|
|
args := make([]interface{}, 0, 10+len(a.Streams))
|
|
args = append(args, "xreadgroup", "group", a.Group, a.Consumer)
|
|
|
|
keyPos := int8(4)
|
|
if a.Count > 0 {
|
|
args = append(args, "count", a.Count)
|
|
keyPos += 2
|
|
}
|
|
if a.Block >= 0 {
|
|
args = append(args, "block", int64(a.Block/time.Millisecond))
|
|
keyPos += 2
|
|
}
|
|
if a.NoAck {
|
|
args = append(args, "noack")
|
|
keyPos++
|
|
}
|
|
args = append(args, "streams")
|
|
keyPos++
|
|
for _, s := range a.Streams {
|
|
args = append(args, s)
|
|
}
|
|
|
|
cmd := NewXStreamSliceCmd(ctx, args...)
|
|
if a.Block >= 0 {
|
|
cmd.setReadTimeout(a.Block)
|
|
}
|
|
cmd.SetFirstKeyPos(keyPos)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XAck(ctx context.Context, stream, group string, ids ...string) *IntCmd {
|
|
args := []interface{}{"xack", stream, group}
|
|
for _, id := range ids {
|
|
args = append(args, id)
|
|
}
|
|
cmd := NewIntCmd(ctx, args...)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XPending(ctx context.Context, stream, group string) *XPendingCmd {
|
|
cmd := NewXPendingCmd(ctx, "xpending", stream, group)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
type XPendingExtArgs struct {
|
|
Stream string
|
|
Group string
|
|
Idle time.Duration
|
|
Start string
|
|
End string
|
|
Count int64
|
|
Consumer string
|
|
}
|
|
|
|
func (c cmdable) XPendingExt(ctx context.Context, a *XPendingExtArgs) *XPendingExtCmd {
|
|
args := make([]interface{}, 0, 9)
|
|
args = append(args, "xpending", a.Stream, a.Group)
|
|
if a.Idle != 0 {
|
|
args = append(args, "idle", formatMs(ctx, a.Idle))
|
|
}
|
|
args = append(args, a.Start, a.End, a.Count)
|
|
if a.Consumer != "" {
|
|
args = append(args, a.Consumer)
|
|
}
|
|
cmd := NewXPendingExtCmd(ctx, args...)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
type XAutoClaimArgs struct {
|
|
Stream string
|
|
Group string
|
|
MinIdle time.Duration
|
|
Start string
|
|
Count int64
|
|
Consumer string
|
|
}
|
|
|
|
func (c cmdable) XAutoClaim(ctx context.Context, a *XAutoClaimArgs) *XAutoClaimCmd {
|
|
args := xAutoClaimArgs(ctx, a)
|
|
cmd := NewXAutoClaimCmd(ctx, args...)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XAutoClaimJustID(ctx context.Context, a *XAutoClaimArgs) *XAutoClaimJustIDCmd {
|
|
args := xAutoClaimArgs(ctx, a)
|
|
args = append(args, "justid")
|
|
cmd := NewXAutoClaimJustIDCmd(ctx, args...)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func xAutoClaimArgs(ctx context.Context, a *XAutoClaimArgs) []interface{} {
|
|
args := make([]interface{}, 0, 8)
|
|
args = append(args, "xautoclaim", a.Stream, a.Group, a.Consumer, formatMs(ctx, a.MinIdle), a.Start)
|
|
if a.Count > 0 {
|
|
args = append(args, "count", a.Count)
|
|
}
|
|
return args
|
|
}
|
|
|
|
type XClaimArgs struct {
|
|
Stream string
|
|
Group string
|
|
Consumer string
|
|
MinIdle time.Duration
|
|
Messages []string
|
|
}
|
|
|
|
func (c cmdable) XClaim(ctx context.Context, a *XClaimArgs) *XMessageSliceCmd {
|
|
args := xClaimArgs(a)
|
|
cmd := NewXMessageSliceCmd(ctx, args...)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XClaimJustID(ctx context.Context, a *XClaimArgs) *StringSliceCmd {
|
|
args := xClaimArgs(a)
|
|
args = append(args, "justid")
|
|
cmd := NewStringSliceCmd(ctx, args...)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func xClaimArgs(a *XClaimArgs) []interface{} {
|
|
args := make([]interface{}, 0, 5+len(a.Messages))
|
|
args = append(args,
|
|
"xclaim",
|
|
a.Stream,
|
|
a.Group, a.Consumer,
|
|
int64(a.MinIdle/time.Millisecond))
|
|
for _, id := range a.Messages {
|
|
args = append(args, id)
|
|
}
|
|
return args
|
|
}
|
|
|
|
// xTrim If approx is true, add the "~" parameter, otherwise it is the default "=" (redis default).
|
|
// example:
|
|
//
|
|
// XTRIM key MAXLEN/MINID threshold LIMIT limit.
|
|
// XTRIM key MAXLEN/MINID ~ threshold LIMIT limit.
|
|
//
|
|
// The redis-server version is lower than 6.2, please set limit to 0.
|
|
func (c cmdable) xTrim(
|
|
ctx context.Context, key, strategy string,
|
|
approx bool, threshold interface{}, limit int64,
|
|
) *IntCmd {
|
|
args := make([]interface{}, 0, 7)
|
|
args = append(args, "xtrim", key, strategy)
|
|
if approx {
|
|
args = append(args, "~")
|
|
}
|
|
args = append(args, threshold)
|
|
if limit > 0 {
|
|
args = append(args, "limit", limit)
|
|
}
|
|
cmd := NewIntCmd(ctx, args...)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
// XTrimMaxLen No `~` rules are used, `limit` cannot be used.
|
|
// cmd: XTRIM key MAXLEN maxLen
|
|
func (c cmdable) XTrimMaxLen(ctx context.Context, key string, maxLen int64) *IntCmd {
|
|
return c.xTrim(ctx, key, "maxlen", false, maxLen, 0)
|
|
}
|
|
|
|
func (c cmdable) XTrimMaxLenApprox(ctx context.Context, key string, maxLen, limit int64) *IntCmd {
|
|
return c.xTrim(ctx, key, "maxlen", true, maxLen, limit)
|
|
}
|
|
|
|
func (c cmdable) XTrimMinID(ctx context.Context, key string, minID string) *IntCmd {
|
|
return c.xTrim(ctx, key, "minid", false, minID, 0)
|
|
}
|
|
|
|
func (c cmdable) XTrimMinIDApprox(ctx context.Context, key string, minID string, limit int64) *IntCmd {
|
|
return c.xTrim(ctx, key, "minid", true, minID, limit)
|
|
}
|
|
|
|
func (c cmdable) XInfoConsumers(ctx context.Context, key string, group string) *XInfoConsumersCmd {
|
|
cmd := NewXInfoConsumersCmd(ctx, key, group)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XInfoGroups(ctx context.Context, key string) *XInfoGroupsCmd {
|
|
cmd := NewXInfoGroupsCmd(ctx, key)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
func (c cmdable) XInfoStream(ctx context.Context, key string) *XInfoStreamCmd {
|
|
cmd := NewXInfoStreamCmd(ctx, key)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|
|
|
|
// XInfoStreamFull XINFO STREAM FULL [COUNT count]
|
|
// redis-server >= 6.0.
|
|
func (c cmdable) XInfoStreamFull(ctx context.Context, key string, count int) *XInfoStreamFullCmd {
|
|
args := make([]interface{}, 0, 6)
|
|
args = append(args, "xinfo", "stream", key, "full")
|
|
if count > 0 {
|
|
args = append(args, "count", count)
|
|
}
|
|
cmd := NewXInfoStreamFullCmd(ctx, args...)
|
|
_ = c(ctx, cmd)
|
|
return cmd
|
|
}
|