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