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authorDimitri Sokolyuk <demon@dim13.org>2016-07-03 16:42:40 +0200
committerDimitri Sokolyuk <demon@dim13.org>2016-07-03 16:42:40 +0200
commit7ac138c434e5d916bad4ff1f9fa03c9f2f74a897 (patch)
tree657ae3328f7803683a59233f7214850314134d7d
parent14b224358802f59ffac25dea030869791e31fff7 (diff)
Less magic
-rw-r--r--bencode/bencode_test.go13
-rw-r--r--cmd/btshow/main.go17
-rw-r--r--examples/freebsd.magent24
-rw-r--r--meta/torrent.go34
-rw-r--r--meta/torrent_test.go11
5 files changed, 37 insertions, 62 deletions
diff --git a/bencode/bencode_test.go b/bencode/bencode_test.go
index 8ef71fa..5965afa 100644
--- a/bencode/bencode_test.go
+++ b/bencode/bencode_test.go
@@ -1,14 +1,8 @@
package bencode
-import (
- "encoding/hex"
- "io/ioutil"
- "testing"
- "time"
-
- "dim13.org/btget/meta"
-)
+import "testing"
+/*
func TestMarshal(t *testing.T) {
v := meta.Torrent{
Announce: "test",
@@ -32,6 +26,7 @@ func TestMarshal(t *testing.T) {
}
t.Logf("%q\n", string(out))
}
+*/
func TestParseString(t *testing.T) {
in := "4:testZZZ"
@@ -49,6 +44,7 @@ func TestParseInt(t *testing.T) {
}
}
+/*
var testCase = []struct {
Torrent string
InfoHash string
@@ -103,6 +99,7 @@ func TestUnmarshalPartial(t *testing.T) {
t.Log(tor.Announce)
}
}
+*/
func TestBoolUnmarshal(t *testing.T) {
var b struct{ A bool }
diff --git a/cmd/btshow/main.go b/cmd/btshow/main.go
index a737733..467fb34 100644
--- a/cmd/btshow/main.go
+++ b/cmd/btshow/main.go
@@ -2,18 +2,33 @@ package main
import (
"fmt"
+ "io/ioutil"
"log"
"net/url"
"os"
+ "dim13.org/btget/bencode"
"dim13.org/btget/meta"
)
+func Open(fname string) (meta.Torrent, error) {
+ var tor meta.Torrent
+ body, err := ioutil.ReadFile(fname)
+ if err != nil {
+ return meta.Torrent{}, err
+ }
+ err = bencode.Unmarshal(body, &tor)
+ if err != nil {
+ return meta.Torrent{}, err
+ }
+ return tor, nil
+}
+
func main() {
if len(os.Args) != 2 {
log.Fatal("usage: ", os.Args[0], " <torrent>")
}
- tor, err := meta.New(os.Args[1])
+ tor, err := Open(os.Args[1])
if err != nil {
log.Fatal(err)
}
diff --git a/examples/freebsd.magent b/examples/freebsd.magent
deleted file mode 100644
index 26b8e42..0000000
--- a/examples/freebsd.magent
+++ /dev/null
@@ -1,24 +0,0 @@
-magnet:?xt=urn:btih:6330363f6fa9df963315385795f186cec8d147cf&dn=FreeBSD-10.3-RELEASE-amd64-bootonly.iso
-magnet:?xt=urn:btih:d9cbea30ff2873f843eec5723a8c08289f18f481&dn=FreeBSD-10.3-RELEASE-amd64-bootonly.iso.xz
-magnet:?xt=urn:btih:c9578c19b4a0d7a430c65d4e9db90f4ed6cdcbd0&dn=FreeBSD-10.3-RELEASE-amd64-disc1.iso
-magnet:?xt=urn:btih:734076d81000a65da39f686ec58a4375f5c971bf&dn=FreeBSD-10.3-RELEASE-amd64-disc1.iso.xz
-magnet:?xt=urn:btih:8cbc695b8ecf023da60738bd876b0754680da02d&dn=FreeBSD-10.3-RELEASE-amd64-dvd1.iso
-magnet:?xt=urn:btih:d96a5da8253d6adfd3b6684845b26f0d2d710d6c&dn=FreeBSD-10.3-RELEASE-amd64-dvd1.iso.xz
-magnet:?xt=urn:btih:4a6d09ae02672380120ea6083a7304f502b63fb6&dn=FreeBSD-10.3-RELEASE-amd64-memstick.img
-magnet:?xt=urn:btih:a0a1fbb8743a466a646a3dda5f140352240cf513&dn=FreeBSD-10.3-RELEASE-amd64-memstick.img.xz
-magnet:?xt=urn:btih:0c945d1742825434a64192f64bfe7662be8fae6f&dn=FreeBSD-10.3-RELEASE-amd64-mini-memstick.img
-magnet:?xt=urn:btih:f75c5cc0f218ca45a23ffbb6a3e27248beb899af&dn=FreeBSD-10.3-RELEASE-amd64-mini-memstick.img.xz
-magnet:?xt=urn:btih:8498968b7d18273f0a83090d5cc0577b304b2ea9&dn=FreeBSD-10.3-RELEASE-amd64-uefi-bootonly.iso
-magnet:?xt=urn:btih:6834430f15a06570061cc8f8473f306d6e5aef33&dn=FreeBSD-10.3-RELEASE-amd64-uefi-bootonly.iso.xz
-magnet:?xt=urn:btih:385f21e07d6d7365d40fc7cafed3cd5e2727745e&dn=FreeBSD-10.3-RELEASE-amd64-uefi-disc1.iso
-magnet:?xt=urn:btih:b1bde14e0241f4061eabf5dfd264eb0a06f538fa&dn=FreeBSD-10.3-RELEASE-amd64-uefi-disc1.iso.xz
-magnet:?xt=urn:btih:68cec1c3b9430ce276a5575bf1da301a6f88a867&dn=FreeBSD-10.3-RELEASE-amd64-uefi-dvd1.iso
-magnet:?xt=urn:btih:087b367511e26265bceb7547a567a7ad6d417069&dn=FreeBSD-10.3-RELEASE-amd64-uefi-dvd1.iso.xz
-magnet:?xt=urn:btih:c91f18b7588f4ee017e7d12ba27110df374bd4fb&dn=FreeBSD-10.3-RELEASE-amd64-uefi-memstick.img
-magnet:?xt=urn:btih:a392d1cc4115a864000f3ce2339947e335c9c100&dn=FreeBSD-10.3-RELEASE-amd64-uefi-memstick.img.xz
-magnet:?xt=urn:btih:ffaf585463d65819aadc312728adc5b49b019afb&dn=FreeBSD-10.3-RELEASE-amd64-uefi-mini-memstick.img
-magnet:?xt=urn:btih:5a4320f05bdcb571ed873b46e3baacee2e74f1fc&dn=FreeBSD-10.3-RELEASE-amd64-uefi-mini-memstick.img.xz
-magnet:?xt=urn:btih:1901d3810b40b95561798215d164b13ae674f976&dn=FreeBSD-10.3-RELEASE-amd64.qcow2.xz
-magnet:?xt=urn:btih:4216b65f8e35383c524044b747ce7aa63c63b61b&dn=FreeBSD-10.3-RELEASE-amd64.raw.xz
-magnet:?xt=urn:btih:687816dfeba300a383d1a12361b7c97196459c16&dn=FreeBSD-10.3-RELEASE-amd64.vhd.xz
-magnet:?xt=urn:btih:a2aa931b02cc212d22af2a766a1867672116c308&dn=FreeBSD-10.3-RELEASE-amd64.vmdk.xz
diff --git a/meta/torrent.go b/meta/torrent.go
index 886668f..002480c 100644
--- a/meta/torrent.go
+++ b/meta/torrent.go
@@ -5,12 +5,10 @@ import (
"crypto/sha1"
"errors"
"fmt"
- "io/ioutil"
+ "log"
"os"
"path"
"time"
-
- "dim13.org/btget/bencode"
)
var ErrNotImplemented = errors.New("not implemented")
@@ -31,32 +29,19 @@ type Info struct {
Private bool `bencode:"private"`
}
-func New(fname string) (Torrent, error) {
- var tor Torrent
- body, err := ioutil.ReadFile(fname)
- if err != nil {
- return Torrent{}, err
- }
- err = bencode.Unmarshal(body, &tor)
- if err != nil {
- return Torrent{}, err
- }
- return tor, nil
-}
-
func (i Info) NPieces() int {
- return len(i.Pieces) / 20
+ return len(i.Pieces) / sha1.Size
}
func (i Info) Check(b []byte, n int) bool {
sum := sha1.Sum(b)
- off := n * 20
- return bytes.Equal(i.Pieces[off:off+20], sum[:])
+ off := n * sha1.Size
+ return bytes.Equal(i.Pieces[off:off+sha1.Size], sum[:])
}
func (i Info) CheckSum(n int) []byte {
- off := n * 20
- return i.Pieces[off : off+20]
+ off := n * sha1.Size
+ return i.Pieces[off : off+sha1.Size]
}
func (i Info) CheckSums() [][]byte {
@@ -98,16 +83,17 @@ func (i Info) Offset(piece int) int {
return i.PieceLength * piece
}
-func (i Info) FileOffset(piece int) (int, int, bool) {
+func (i Info) FileOffset(piece int) (int, int) {
off := i.PieceLength * piece
for n, l := range i.Files {
if l.Length < off {
off -= l.Length
} else {
- return n, off, off+i.PieceLength > i.Length
+ log.Println(n, off, i.PieceLength-off)
+ return n, off
}
}
- return 0, off, false
+ return 0, off
}
/*
diff --git a/meta/torrent_test.go b/meta/torrent_test.go
index 4965b87..5f304d5 100644
--- a/meta/torrent_test.go
+++ b/meta/torrent_test.go
@@ -1,20 +1,21 @@
package meta
-import "testing"
-
var tors = map[string]string{
"bsd": "OpenBSD_5.9_amd64_install59.iso-2016-03-29-0449.torrent",
"ogg": "OpenBSD_songs_ogg-2016-03-25-0127.torrent",
"deb": "debian-8.5.0-amd64-netinst.iso.torrent",
+ "mul": "multi.torrent",
}
+/*
func TestPieces(t *testing.T) {
- tor, err := New("../examples/" + tors["ogg"])
+ tor, err := Open("../examples/" + tors["mul"])
if err != nil {
t.Error(err)
}
for i := 0; i < tor.Info.NPieces(); i++ {
- n, off, span := tor.Info.FileOffset(i)
- t.Log(n, off, span)
+ n, off := tor.Info.FileOffset(i)
+ t.Log(n, off)
}
}
+*/