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icebergs/base/nfs/tail.go
2021-05-30 23:37:39 +08:00

81 lines
2.7 KiB
Go

package nfs
import (
"bufio"
"io"
ice "github.com/shylinux/icebergs"
"github.com/shylinux/icebergs/base/cli"
"github.com/shylinux/icebergs/base/mdb"
kit "github.com/shylinux/toolkits"
)
func _tail_create(m *ice.Message, arg ...string) {
if m.Option(kit.MDB_HASH) == "" {
m.Option(kit.MDB_HASH, m.Cmdx(mdb.INSERT, TAIL, "", mdb.HASH, arg))
}
kit.ForEach(kit.Split(m.Option(kit.MDB_FILE), ","), func(file string) {
r, w := io.Pipe()
m.Go(func() {
for bio := bufio.NewScanner(r); bio.Scan(); {
m.Log_IMPORT(kit.MDB_FILE, file, kit.MDB_SIZE, len(bio.Text()))
m.Grow(TAIL, kit.Keys(kit.MDB_HASH, m.Option(kit.MDB_HASH)), kit.Dict(
kit.MDB_FILE, file, kit.MDB_SIZE, len(bio.Text()), kit.MDB_TEXT, bio.Text(),
))
}
})
m.Option(cli.CMD_OUTPUT, w)
m.Option(cli.CMD_ERRPUT, w)
m.Option(mdb.CACHE_CLEAR_ON_EXIT, "true")
m.Cmd(cli.DAEMON, TAIL, "-n", "0", "-f", file)
})
}
const TAIL = "tail"
func init() {
Index.Merge(&ice.Context{
Configs: map[string]*ice.Config{
TAIL: {Name: TAIL, Help: "日志流", Value: kit.Data()},
},
Commands: map[string]*ice.Command{
TAIL: {Name: "tail hash id limit offend auto prev next create", Help: "日志流", Action: map[string]*ice.Action{
mdb.CREATE: {Name: "create file name", Help: "创建", Hand: func(m *ice.Message, arg ...string) {
_tail_create(m, arg...)
}},
mdb.REMOVE: {Name: "remove", Help: "删除", Hand: func(m *ice.Message, arg ...string) {
m.Cmdy(mdb.DELETE, TAIL, "", mdb.HASH, kit.MDB_HASH, m.Option(kit.MDB_HASH))
}},
"prev": {Name: "prev", Help: "上一页", Hand: func(m *ice.Message, arg ...string) {
offend := kit.Int(kit.Select("0", arg, 3)) + kit.Int(kit.Select("10", arg, 2))
total := kit.Int(m.Conf(TAIL, kit.Keys(kit.MDB_HASH, arg[0], kit.MDB_META, kit.MDB_COUNT)))
if offend >= total {
offend = total - kit.Int(kit.Select("10", arg, 2))
m.Toast("已经是最后一页啦!")
}
m.Process("_rewrite", "offend", offend)
}},
"next": {Name: "next", Help: "下一页", Hand: func(m *ice.Message, arg ...string) {
offend := kit.Int(kit.Select("0", arg, 3)) - kit.Int(kit.Select("10", arg, 2))
if offend < 0 {
offend = 0
m.Toast("已经是第一页啦!")
}
m.Process("_rewrite", "offend", offend)
}},
}, Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
m.Option(mdb.FIELDS, kit.Select("time,hash,count,name,file", kit.Select("time,id,file,text", mdb.DETAIL, len(arg) > 1 && arg[1] != ""), len(arg) > 0))
m.Option("cache.limit", kit.Select("10", arg, 2))
m.Option("cache.offend", kit.Select("0", arg, 3))
if m.Cmdy(mdb.SELECT, TAIL, "", mdb.ZONE, arg); len(arg) == 0 {
m.PushAction(mdb.REMOVE)
}
}},
},
})
}