forked from whyrusleeping/pinbot
/
main.go
161 lines (132 loc) · 3.19 KB
/
main.go
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package main
import (
"bufio"
"flag"
"fmt"
"os"
"strings"
"sync"
"time"
hb "github.com/whyrusleeping/hellabot"
shell "github.com/whyrusleeping/ipfs-shell"
)
var prefix = "?"
var gateway = "http://gateway.ipfs.io"
var (
cmdBotsnack = prefix + "botsnack"
cmdFriends = prefix + "friends"
cmdBefriend = prefix + "befriend"
cmdShun = prefix + "shun"
cmdPin = prefix + "pin"
)
var friends FriendsList
type sayer interface {
Say(string)
}
func tryPin(s sayer, path string, sh *shell.Shell) error {
out, err := sh.Refs(path, true)
if err != nil {
return fmt.Errorf("failed to grab refs for %s: %s", path, err)
}
// throw away results
for _ = range out {
}
err = sh.Pin(path)
if err != nil {
return fmt.Errorf("failed to pin %s: %s", path, err)
}
return nil
}
func Pin(s sayer, path string) {
if !strings.HasPrefix(path, "/ipfs") && !strings.HasPrefix(path, "/ipns") {
path = "/ipfs/" + path
}
errs := make(chan error, len(shs))
var wg sync.WaitGroup
s.Say(fmt.Sprintf("now pinning %s", path))
// pin to every node concurrently.
for i, sh := range shs {
wg.Add(1)
go func(i int, sh *shell.Shell) {
defer wg.Done()
if err := tryPin(s, path, sh); err != nil {
errs <- fmt.Errorf("[host %d] %s", i, err)
}
}(i, sh)
}
// close the err chan when done.
go func() {
wg.Wait()
close(errs)
}()
// wait on the err chan and print every err we get as we get it.
var failed int
for err := range errs {
s.Say(err.Error())
failed++
}
successes := len(shs) - failed
s.Say(fmt.Sprintf("pin %d/%d successes -- %s%s", successes, len(shs), gateway, path))
}
var shs []*shell.Shell
func loadHosts() []string {
fi, err := os.Open("hosts")
if err != nil {
fmt.Println("failed to open hosts file, defaulting to localhost:5001")
return []string{"localhost:5001"}
}
var hosts []string
scan := bufio.NewScanner(fi)
for scan.Scan() {
hosts = append(hosts, scan.Text())
}
return hosts
}
func main() {
name := flag.String("name", "pinbot-test", "set pinbots name")
server := flag.String("server", "irc.freenode.net:6667", "set server to connect to")
flag.Parse()
if err := friends.Load(); err != nil {
panic(err)
}
fmt.Println("loaded", len(friends.friends), "friends")
for _, h := range loadHosts() {
shs = append(shs, shell.NewShell(h))
}
con, err := hb.NewIrcConnection(*server, *name, false, true)
if err != nil {
panic(err)
}
connectToFreenodeIpfs(con)
fmt.Println("Connection lost! attempting to reconnect!")
con.Close()
recontime := time.Second
for {
// Dont try to reconnect this time
con, err := hb.NewIrcConnection(*server, *name, false, false)
if err != nil {
fmt.Println("ERROR CONNECTING: ", err)
time.Sleep(recontime)
recontime += time.Second
continue
}
recontime = time.Second
connectToFreenodeIpfs(con)
fmt.Println("Connection lost! attempting to reconnect!")
con.Close()
}
}
func connectToFreenodeIpfs(con *hb.IrcCon) {
con.AddTrigger(pinTrigger)
con.AddTrigger(listTrigger)
con.AddTrigger(befriendTrigger)
con.AddTrigger(shunTrigger)
con.AddTrigger(OmNomNom)
con.AddTrigger(EatEverything)
con.Start()
con.Join("#ipfs")
con.Join("#ip-berlin")
con.Join("#ip-seattle")
for _ = range con.Incoming {
}
}