src/call.go

   1 /*
   2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
   3 Copyright (C) 2016-2021 Sergey Matveev <stargrave@stargrave.org>
   4
   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.
   8
   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.
  13
  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/>.
  16 */
  17
  18 package nncp
  19
  20 import (
  21         "net"
  22         "time"
  23
  24         "github.com/gorhill/cronexpr"
  25 )
  26
  27 type Call struct {
  28         Cron           *cronexpr.Expression
  29         Nice           uint8
  30         Xx             TRxTx
  31         RxRate         int
  32         TxRate         int
  33         Addr           *string
  34         OnlineDeadline time.Duration
  35         MaxOnlineTime  time.Duration
  36         WhenTxExists   bool
  37
  38         AutoToss       bool
  39         AutoTossDoSeen bool
  40         AutoTossNoFile bool
  41         AutoTossNoFreq bool
  42         AutoTossNoExec bool
  43         AutoTossNoTrns bool
  44 }
  45
  46 func (ctx *Ctx) CallNode(
  47         node *Node,
  48         addrs []string,
  49         nice uint8,
  50         xxOnly TRxTx,
  51         rxRate, txRate int,
  52         onlineDeadline, maxOnlineTime time.Duration,
  53         listOnly bool,
  54         onlyPkts map[[32]byte]bool,
  55 ) (isGood bool) {
  56         for _, addr := range addrs {
  57                 sds := SDS{"node": node.Id, "addr": addr}
  58                 ctx.LogD("call", sds, "dialing")
  59                 var conn ConnDeadlined
  60                 var err error
  61                 if addr[0] == '|' {
  62                         conn, err = NewPipeConn(addr[1:])
  63                 } else {
  64                         conn, err = net.Dial("tcp", addr)
  65                 }
  66                 if err != nil {
  67                         ctx.LogD("call", SdsAdd(sds, SDS{"err": err}), "dialing")
  68                         continue
  69                 }
  70                 ctx.LogD("call", sds, "connected")
  71                 state := SPState{
  72                         Ctx:            ctx,
  73                         Node:           node,
  74                         Nice:           nice,
  75                         onlineDeadline: onlineDeadline,
  76                         maxOnlineTime:  maxOnlineTime,
  77                         xxOnly:         xxOnly,
  78                         rxRate:         rxRate,
  79                         txRate:         txRate,
  80                         listOnly:       listOnly,
  81                         onlyPkts:       onlyPkts,
  82                 }
  83                 if err = state.StartI(conn); err == nil {
  84                         ctx.LogI("call-start", sds, "connected")
  85                         state.Wait()
  86                         ctx.LogI("call-finish", SDS{
  87                                 "node":     state.Node.Id,
  88                                 "duration": int64(state.Duration.Seconds()),
  89                                 "rxbytes":  state.RxBytes,
  90                                 "txbytes":  state.TxBytes,
  91                                 "rxspeed":  state.RxSpeed,
  92                                 "txspeed":  state.TxSpeed,
  93                         }, "")
  94                         isGood = true
  95                         conn.Close() // #nosec G104
  96                         break
  97                 } else {
  98                         ctx.LogE("call-start", sds, err, "")
  99                         conn.Close() // #nosec G104
 100                 }
 101         }
 102         return
 103 }