2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
3 Copyright (C) 2016-2021 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, version 3 of the License.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
35 Neigh map[NodeId]*Node
36 Alias map[string]*NodeId
38 AreaId2Area map[AreaId]*Area
39 AreaName2Id map[string]*AreaId
48 NotifyFile *FromToJSON
49 NotifyFreq *FromToJSON
50 NotifyExec map[string]*FromToJSON
53 MCDTxIfis map[string]int
56 func (ctx *Ctx) FindNode(id string) (*Node, error) {
57 nodeId, known := ctx.Alias[id]
59 return ctx.Neigh[*nodeId], nil
61 nodeId, err := NodeIdFromString(id)
65 node, known := ctx.Neigh[*nodeId]
67 return nil, errors.New("Unknown node")
72 func (ctx *Ctx) ensureRxDir(nodeId *NodeId) error {
73 dirPath := filepath.Join(ctx.Spool, nodeId.String(), string(TRx))
74 logMsg := func(les LEs) string {
75 return fmt.Sprintf("Ensuring directory %s existence", dirPath)
77 if err := os.MkdirAll(dirPath, os.FileMode(0777)); err != nil {
78 ctx.LogE("dir-ensure-mkdir", LEs{{"Dir", dirPath}}, err, logMsg)
81 fd, err := os.Open(dirPath)
83 ctx.LogE("dir-ensure-open", LEs{{"Dir", dirPath}}, err, logMsg)
90 cfgPath, spoolPath, logPath string,
91 quiet, showPrgrs, omitPrgrs, debug bool,
93 env := os.Getenv(CfgPathEnv)
97 if showPrgrs && omitPrgrs {
98 return nil, errors.New("simultaneous -progress and -noprogress")
100 fi, err := os.Stat(cfgPath)
106 cfg, err = DirToCfg(cfgPath)
111 cfgRaw, err := ioutil.ReadFile(cfgPath)
115 cfg, err = CfgParse(cfgRaw)
120 ctx, err := Cfg2Ctx(cfg)
125 env = os.Getenv(CfgSpoolEnv)
130 ctx.Spool = spoolPath
133 env = os.Getenv(CfgLogEnv)
138 ctx.LogPath = logPath
140 if strings.HasPrefix(ctx.LogPath, LogFdPrefix) {
141 ptr, err := strconv.ParseUint(
142 strings.TrimPrefix(ctx.LogPath, LogFdPrefix), 10, 64,
147 LogFd = os.NewFile(uintptr(ptr), CfgLogEnv)
149 return nil, errors.New("can not open:" + ctx.LogPath)
155 if quiet || omitPrgrs {
156 ctx.ShowPrgrs = false
163 func (ctx *Ctx) Umask() {
164 if ctx.UmaskForce != nil {
165 syscall.Umask(*ctx.UmaskForce)