Raise copyright years

[nncp.git] / src / ctx.go

diff --git a/src/ctx.go b/src/ctx.go
index 03fe80e2cff2c73b05d9437b1c725b8d910beb77..655c3e9bce07052a6469e5dfa82e1fc4a42134be 100644 (file)
--- a/src/ctx.go
+++ b/src/ctx.go
@@ -1,6 +1,6 @@
 /*
 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
-Copyright (C) 2016-2019 Sergey Matveev <stargrave@stargrave.org>
+Copyright (C) 2016-2022 Sergey Matveev <stargrave@stargrave.org>
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -19,12 +19,14 @@ package nncp
 
 import (
        "errors"
+       "fmt"
        "io/ioutil"
-       "log"
        "os"
        "path/filepath"
+       "strconv"
+       "strings"
 
-       "golang.org/x/sys/unix"
+       "syscall"
 )
 
 type Ctx struct {
@@ -33,12 +35,22 @@ type Ctx struct {
        Neigh  map[NodeId]*Node
        Alias  map[string]*NodeId
 
+       AreaId2Area map[AreaId]*Area
+       AreaName2Id map[string]*AreaId
+
        Spool      string
        LogPath    string
+       UmaskForce *int
        Quiet      bool
+       ShowPrgrs  bool
+       HdrUsage   bool
        Debug      bool
-       NotifyFile *FromToYAML
-       NotifyFreq *FromToYAML
+       NotifyFile *FromToJSON
+       NotifyFreq *FromToJSON
+       NotifyExec map[string]*FromToJSON
+
+       MCDRxIfis []string
+       MCDTxIfis map[string]int
 }
 
 func (ctx *Ctx) FindNode(id string) (*Node, error) {
@@ -57,31 +69,64 @@ func (ctx *Ctx) FindNode(id string) (*Node, error) {
        return node, nil
 }
 
-func (ctx *Ctx) ensureRxDir(nodeId *NodeId) error {
-       dirPath := filepath.Join(ctx.Spool, nodeId.String(), string(TRx))
-       if err := os.MkdirAll(dirPath, os.FileMode(0777)); err != nil {
-               ctx.LogE("dir-ensure", SDS{"dir": dirPath, "err": err}, "")
+func ensureDir(dirs ...string) error {
+       p := filepath.Join(dirs...)
+       fi, err := os.Stat(p)
+       if err == nil {
+               if fi.IsDir() {
+                       return nil
+               }
+               return fmt.Errorf("%s: is not a directory", p)
+       }
+       if !os.IsNotExist(err) {
                return err
        }
-       fd, err := os.Open(dirPath)
+       return os.MkdirAll(p, os.FileMode(0777))
+}
+
+func (ctx *Ctx) ensureRxDir(nodeId *NodeId) error {
+       dirPath := filepath.Join(ctx.Spool, nodeId.String(), string(TRx))
+       err := ensureDir(dirPath)
        if err != nil {
-               ctx.LogE("dir-ensure", SDS{"dir": dirPath, "err": err}, "")
-               return err
+               ctx.LogE("dir-ensure-mkdir", LEs{{"Dir", dirPath}}, err, func(les LEs) string {
+                       return fmt.Sprintf("Ensuring directory %s existence", dirPath)
+               })
        }
-       fd.Close()
-       return nil
+       return err
 }
 
-func CtxFromCmdline(cfgPath, spoolPath, logPath string, quiet, debug bool) (*Ctx, error) {
+func CtxFromCmdline(
+       cfgPath, spoolPath, logPath string,
+       quiet, showPrgrs, omitPrgrs, debug bool,
+) (*Ctx, error) {
        env := os.Getenv(CfgPathEnv)
        if env != "" {
                cfgPath = env
        }
-       cfgRaw, err := ioutil.ReadFile(cfgPath)
+       if showPrgrs && omitPrgrs {
+               return nil, errors.New("simultaneous -progress and -noprogress")
+       }
+       fi, err := os.Stat(cfgPath)
        if err != nil {
                return nil, err
        }
-       ctx, err := CfgParse(cfgRaw)
+       var cfg *CfgJSON
+       if fi.IsDir() {
+               cfg, err = DirToCfg(cfgPath)
+               if err != nil {
+                       return nil, err
+               }
+       } else {
+               cfgRaw, err := ioutil.ReadFile(cfgPath)
+               if err != nil {
+                       return nil, err
+               }
+               cfg, err = CfgParse(cfgRaw)
+               if err != nil {
+                       return nil, err
+               }
+       }
+       ctx, err := Cfg2Ctx(cfg)
        if err != nil {
                return nil, err
        }
@@ -101,15 +146,31 @@ func CtxFromCmdline(cfgPath, spoolPath, logPath string, quiet, debug bool) (*Ctx
        } else {
                ctx.LogPath = logPath
        }
+       if strings.HasPrefix(ctx.LogPath, LogFdPrefix) {
+               ptr, err := strconv.ParseUint(
+                       strings.TrimPrefix(ctx.LogPath, LogFdPrefix), 10, 64,
+               )
+               if err != nil {
+                       return nil, err
+               }
+               LogFd = os.NewFile(uintptr(ptr), CfgLogEnv)
+               if LogFd == nil {
+                       return nil, errors.New("can not open:" + ctx.LogPath)
+               }
+       }
+       if showPrgrs {
+               ctx.ShowPrgrs = true
+       }
+       if quiet || omitPrgrs {
+               ctx.ShowPrgrs = false
+       }
        ctx.Quiet = quiet
        ctx.Debug = debug
        return ctx, nil
 }
 
-func (ctx *Ctx) IsEnoughSpace(want int64) bool {
-       var s unix.Statfs_t
-       if err := unix.Statfs(ctx.Spool, &s); err != nil {
-               log.Fatalln(err)
+func (ctx *Ctx) Umask() {
+       if ctx.UmaskForce != nil {
+               syscall.Umask(*ctx.UmaskForce)
        }
-       return int64(s.Bavail)*int64(s.Bsize) > want
 }