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Golang Responder.WriteNil方法代码示例

本文整理汇总了Golang中github.com/bsm/redeo.Responder.WriteNil方法的典型用法代码示例。如果您正苦于以下问题：Golang Responder.WriteNil方法的具体用法？Golang Responder.WriteNil怎么用？Golang Responder.WriteNil使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/bsm/redeo.Responder的用法示例。


在下文中一共展示了Responder.WriteNil方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: cmdRpop

// RPOP
func (m *Miniredis) cmdRpop(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 1 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}
	key := r.Args[0]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(key) {
			out.WriteNil()
			return
		}
		if db.t(key) != "list" {
			out.WriteErrorString(msgWrongType)
			return
		}

		elem := db.listPop(key)
		out.WriteString(elem)
	})
}
开发者ID:Goyoo，项目名称:codis-docker，代码行数:27，代码来源:cmd_list.go

示例2: cmdRpoplpush

// RPOPLPUSH
func (m *Miniredis) cmdRpoplpush(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 2 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}
	src := r.Args[0]
	dst := r.Args[1]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(src) {
			out.WriteNil()
			return
		}
		if db.t(src) != "list" || (db.exists(dst) && db.t(dst) != "list") {
			out.WriteErrorString(msgWrongType)
			return
		}
		elem := db.listPop(src)
		db.listLpush(dst, elem)
		out.WriteString(elem)
	})
}
开发者ID:Goyoo，项目名称:codis-docker，代码行数:28，代码来源:cmd_list.go

示例3: cmdHmget

// HMGET
func (m *Miniredis) cmdHmget(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) < 2 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'hmget' command")
		return nil
	}
	key := r.Args[0]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if t, ok := db.keys[key]; ok && t != "hash" {
			out.WriteErrorString(msgWrongType)
			return
		}

		f, ok := db.hashKeys[key]
		if !ok {
			f = map[string]string{}
		}

		out.WriteBulkLen(len(r.Args) - 1)
		for _, k := range r.Args[1:] {
			v, ok := f[k]
			if !ok {
				out.WriteNil()
				continue
			}
			out.WriteString(v)
		}
	})
}
开发者ID:jameswei，项目名称:xcodis，代码行数:33，代码来源:cmd_hash.go

示例4: cmdRandomkey

// RANDOMKEY
func (m *Miniredis) cmdRandomkey(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 0 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if len(db.keys) == 0 {
			out.WriteNil()
			return
		}
		nr := rand.Intn(len(db.keys))
		for k := range db.keys {
			if nr == 0 {
				out.WriteString(k)
				return
			}
			nr--
		}
	})
}
开发者ID:Goyoo，项目名称:codis-docker，代码行数:27，代码来源:cmd_generic.go

示例5: cmdHget

// HGET
func (m *Miniredis) cmdHget(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 2 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'hget' command")
		return nil
	}
	key := r.Args[0]
	field := r.Args[1]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		t, ok := db.keys[key]
		if !ok {
			out.WriteNil()
			return
		}
		if t != "hash" {
			out.WriteErrorString(msgWrongType)
			return
		}
		value, ok := db.hashKeys[key][field]
		if !ok {
			out.WriteNil()
			return
		}
		out.WriteString(value)
	})
}
开发者ID:jameswei，项目名称:xcodis，代码行数:30，代码来源:cmd_hash.go

示例6: cmdSpop

// SPOP
func (m *Miniredis) cmdSpop(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 1 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'spop' command")
		return nil
	}

	key := r.Args[0]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(key) {
			out.WriteNil()
			return
		}

		if db.t(key) != "set" {
			out.WriteErrorString(ErrWrongType.Error())
			return
		}

		members := db.setMembers(key)
		member := members[rand.Intn(len(members))]
		db.setRem(key, member)
		out.WriteString(member)
	})
}
开发者ID:jameswei，项目名称:xcodis，代码行数:29，代码来源:cmd_set.go

示例7: cmdMget

// MGET
func (m *Miniredis) cmdMget(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) < 1 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		out.WriteBulkLen(len(r.Args))
		for _, k := range r.Args {
			if t, ok := db.keys[k]; !ok || t != "string" {
				out.WriteNil()
				continue
			}
			v, ok := db.stringKeys[k]
			if !ok {
				// Should not happen, we just checked keys[]
				out.WriteNil()
				continue
			}
			out.WriteString(v)
		}
	})
}
开发者ID:Goyoo，项目名称:codis-docker，代码行数:29，代码来源:cmd_string.go

示例8: cmdGetset

// GETSET
func (m *Miniredis) cmdGetset(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 2 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}
	key := r.Args[0]
	value := r.Args[1]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if t, ok := db.keys[key]; ok && t != "string" {
			out.WriteErrorString(msgWrongType)
			return
		}

		old, ok := db.stringKeys[key]
		db.stringSet(key, value)
		// a GETSET clears the expire
		delete(db.expire, key)

		if !ok {
			out.WriteNil()
			return
		}
		out.WriteString(old)
		return
	})
}
开发者ID:Goyoo，项目名称:codis-docker，代码行数:33，代码来源:cmd_string.go

示例9: cmdLpop

// LPOP
func (m *Miniredis) cmdLpop(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 1 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'lpop' command")
		return nil
	}
	key := r.Args[0]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(key) {
			// Non-existing key is fine.
			out.WriteNil()
			return
		}
		if db.t(key) != "list" {
			out.WriteErrorString(msgWrongType)
			return
		}

		elem := db.listLpop(key)
		out.WriteString(elem)
	})
}
开发者ID:jameswei，项目名称:xcodis，代码行数:26，代码来源:cmd_list.go

示例10: cmdZscore

// ZSCORE
func (m *Miniredis) cmdZscore(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 2 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	key := r.Args[0]
	member := r.Args[1]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(key) {
			out.WriteNil()
			return
		}

		if db.t(key) != "zset" {
			out.WriteErrorString(ErrWrongType.Error())
			return
		}

		if !db.ssetExists(key, member) {
			out.WriteNil()
			return
		}

		out.WriteString(formatFloat(db.ssetScore(key, member)))
	})
}
开发者ID:shorrockin，项目名称:miniredis，代码行数:34，代码来源:cmd_sorted_set.go

示例11: cmdHget

// HGET
func (m *Miniredis) cmdHget(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 2 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	key := r.Args[0]
	field := r.Args[1]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		t, ok := db.keys[key]
		if !ok {
			out.WriteNil()
			return
		}
		if t != "hash" {
			out.WriteErrorString(msgWrongType)
			return
		}
		value, ok := db.hashKeys[key][field]
		if !ok {
			out.WriteNil()
			return
		}
		out.WriteString(value)
	})
}
开发者ID:Goyoo，项目名称:codis-docker，代码行数:33，代码来源:cmd_hash.go

示例12: cmdGet

// GET
func (m *Redico) cmdGet(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 1 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}
	key := r.Args[0]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)
		if !db.exists(key) {
			out.WriteNil()
			return
		}
		out.WriteString(db.stringGet(key))
	})
}
开发者ID:yqj2012，项目名称:Coolpy5Sub，代码行数:20，代码来源:cmd_string.go

示例13: cmdLindex

// LINDEX
func (m *Miniredis) cmdLindex(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 2 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}
	key := r.Args[0]
	offset, err := strconv.Atoi(r.Args[1])
	if err != nil {
		setDirty(r.Client())
		out.WriteErrorString(msgInvalidInt)
		return nil
	}

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		t, ok := db.keys[key]
		if !ok {
			// No such key
			out.WriteNil()
			return
		}
		if t != "list" {
			out.WriteErrorString(msgWrongType)
			return
		}

		l := db.listKeys[key]
		if offset < 0 {
			offset = len(l) + offset
		}
		if offset < 0 || offset > len(l)-1 {
			out.WriteNil()
			return
		}
		out.WriteString(l[offset])
	})
}
开发者ID:Goyoo，项目名称:codis-docker，代码行数:42，代码来源:cmd_list.go

示例14: cmdSrandmember

// SRANDMEMBER
func (m *Miniredis) cmdSrandmember(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) < 1 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'srandmember' command")
		return nil
	}
	if len(r.Args) > 2 {
		setDirty(r.Client())
		out.WriteErrorString(msgSyntaxError)
		return nil
	}

	key := r.Args[0]
	count := 0
	withCount := false
	if len(r.Args) == 2 {
		var err error
		count, err = strconv.Atoi(r.Args[1])
		if err != nil {
			setDirty(r.Client())
			out.WriteErrorString(msgInvalidInt)
			return nil
		}
		withCount = true
	}

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(key) {
			out.WriteNil()
			return
		}

		if db.t(key) != "set" {
			out.WriteErrorString(ErrWrongType.Error())
			return
		}

		members := db.setMembers(key)
		if count < 0 {
			// Non-unique elements is allowed with negative count.
			out.WriteBulkLen(-count)
			for count != 0 {
				member := members[rand.Intn(len(members))]
				out.WriteString(member)
				count++
			}
			return
		}

		// Must be unique elements.
		shuffle(members)
		if count > len(members) {
			count = len(members)
		}
		if !withCount {
			out.WriteString(members[0])
			return
		}
		out.WriteBulkLen(count)
		for i := range make([]struct{}, count) {
			out.WriteString(members[i])
		}
	})
}
开发者ID:jameswei，项目名称:xcodis，代码行数:67，代码来源:cmd_set.go

示例15: cmdSet

// SET
func (m *Miniredis) cmdSet(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) < 2 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	var (
		nx     = false // set iff not exists
		xx     = false // set iff exists
		expire = 0     // For seconds and milliseconds.
	)

	key := r.Args[0]
	value := r.Args[1]
	r.Args = r.Args[2:]
	for len(r.Args) > 0 {
		switch strings.ToUpper(r.Args[0]) {
		case "NX":
			nx = true
			r.Args = r.Args[1:]
			continue
		case "XX":
			xx = true
			r.Args = r.Args[1:]
			continue
		case "EX", "PX":
			if len(r.Args) < 2 {
				setDirty(r.Client())
				out.WriteErrorString(msgInvalidInt)
				return nil
			}
			var err error
			expire, err = strconv.Atoi(r.Args[1])
			if err != nil {
				setDirty(r.Client())
				out.WriteErrorString(msgInvalidInt)
				return nil
			}
			r.Args = r.Args[2:]
			continue
		default:
			setDirty(r.Client())
			out.WriteErrorString(msgSyntaxError)
			return nil
		}
	}

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if nx {
			if db.exists(key) {
				out.WriteNil()
				return
			}
		}
		if xx {
			if !db.exists(key) {
				out.WriteNil()
				return
			}
		}

		db.del(key, true) // be sure to remove existing values of other type keys.
		// a vanilla SET clears the expire
		db.stringSet(key, value)
		if expire != 0 {
			db.expire[key] = expire
		}
		out.WriteOK()
	})
}
开发者ID:Goyoo，项目名称:codis-docker，代码行数:76，代码来源:cmd_string.go


注：本文中的github.com/bsm/redeo.Responder.WriteNil方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。