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|
package redis
import (
"context"
"sync"
"sync/atomic"
)
func (c *ClusterClient) DBSize(ctx context.Context) *IntCmd {
cmd := NewIntCmd(ctx, "dbsize")
_ = c.hooks.process(ctx, cmd, func(ctx context.Context, _ Cmder) error {
var size int64
err := c.ForEachMaster(ctx, func(ctx context.Context, master *Client) error {
n, err := master.DBSize(ctx).Result()
if err != nil {
return err
}
atomic.AddInt64(&size, n)
return nil
})
if err != nil {
cmd.SetErr(err)
} else {
cmd.val = size
}
return nil
})
return cmd
}
func (c *ClusterClient) ScriptLoad(ctx context.Context, script string) *StringCmd {
cmd := NewStringCmd(ctx, "script", "load", script)
_ = c.hooks.process(ctx, cmd, func(ctx context.Context, _ Cmder) error {
mu := &sync.Mutex{}
err := c.ForEachShard(ctx, func(ctx context.Context, shard *Client) error {
val, err := shard.ScriptLoad(ctx, script).Result()
if err != nil {
return err
}
mu.Lock()
if cmd.Val() == "" {
cmd.val = val
}
mu.Unlock()
return nil
})
if err != nil {
cmd.SetErr(err)
}
return nil
})
return cmd
}
func (c *ClusterClient) ScriptFlush(ctx context.Context) *StatusCmd {
cmd := NewStatusCmd(ctx, "script", "flush")
_ = c.hooks.process(ctx, cmd, func(ctx context.Context, _ Cmder) error {
err := c.ForEachShard(ctx, func(ctx context.Context, shard *Client) error {
return shard.ScriptFlush(ctx).Err()
})
if err != nil {
cmd.SetErr(err)
}
return nil
})
return cmd
}
func (c *ClusterClient) ScriptExists(ctx context.Context, hashes ...string) *BoolSliceCmd {
args := make([]interface{}, 2+len(hashes))
args[0] = "script"
args[1] = "exists"
for i, hash := range hashes {
args[2+i] = hash
}
cmd := NewBoolSliceCmd(ctx, args...)
result := make([]bool, len(hashes))
for i := range result {
result[i] = true
}
_ = c.hooks.process(ctx, cmd, func(ctx context.Context, _ Cmder) error {
mu := &sync.Mutex{}
err := c.ForEachShard(ctx, func(ctx context.Context, shard *Client) error {
val, err := shard.ScriptExists(ctx, hashes...).Result()
if err != nil {
return err
}
mu.Lock()
for i, v := range val {
result[i] = result[i] && v
}
mu.Unlock()
return nil
})
if err != nil {
cmd.SetErr(err)
} else {
cmd.val = result
}
return nil
})
return cmd
}
|
