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use single reader (#155)

Browse source 
* dunno

* close file after finished

* fix debugging statements

* use single reader

* update deps
This commit is contained in:
Zack 2019-09-07 07:34:05 -07:00 • committed by GitHub
parent fb658ccde2
commit bc6803eeef
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 40 additions and 28 deletions
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6
go.mod
View file

@ -1,6 +1,6 @@
module github.com/schollz/croc/v6
go 1.12
go 1.13
require (
github.com/OneOfOne/xxhash v1.2.5 // indirect
@ -20,9 +20,9 @@ require (
github.com/spaolacci/murmur3 v1.1.0 // indirect
github.com/stretchr/testify v1.4.0
github.com/urfave/cli v1.21.0
golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472
golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739
golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 // indirect
golang.org/x/sys v0.0.0-20190904005037-43c01164e931 // indirect
golang.org/x/sys v0.0.0-20190904154756-749cb33beabd // indirect
golang.org/x/text v0.3.2 // indirect
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
)

8
go.sum
View file

@ -57,8 +57,8 @@ github.com/urfave/cli v1.21.0/go.mod h1:lxDj6qX9Q6lWQxIrbrT0nwecwUtRnhVZAJjJZrVU
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 h1:HuIa8hRrWRSrqYzx1qI49NNxhdi2PrY7gxVSq1JjLDc=
golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472 h1:Gv7RPwsi3eZ2Fgewe3CBsuOebPwO27PoXzRpJPsvSSM=
golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739 h1:Gc7JIyxvWgD6m+QmVryY0MstDORNYididDGxgZ6Tnpk=
golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3 h1:0GoQqolDA55aaLxZyTzK/Y2ePZzZTUrRacwib7cNsYQ=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@ -71,8 +71,8 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190801041406-cbf593c0f2f3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a h1:aYOabOQFp6Vj6W1F80affTUvO9UxmJRx8K0gsfABByQ=
golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190904005037-43c01164e931 h1:+WYfosiOJzB4BjsISl1Rv4ZLUy+VYcF+u+0Y9jcerv8=
golang.org/x/sys v0.0.0-20190904005037-43c01164e931/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190904154756-749cb33beabd h1:DBH9mDw0zluJT/R+nGuV3jWFWLFaHyYZWD4tOT+cjn0=
golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=

49
src/croc/croc.go
View file

@ -91,6 +91,8 @@ type Client struct {
firstSend bool
mutex *sync.Mutex
fread *os.File
numfinished int
quit chan bool
}
@ -843,6 +845,16 @@ func (c *Client) updateState() (err error) {
c.setBar()
c.TotalSent = 0
log.Debug("beginning sending comms")
pathToFile := path.Join(
c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderSource,
c.FilesToTransfer[c.FilesToTransferCurrentNum].Name,
)
c.fread, err = os.Open(pathToFile)
c.numfinished = 0
if err != nil {
return
}
for i := 0; i < len(c.Options.RelayPorts); i++ {
log.Debugf("starting sending over comm %d", i)
go c.sendData(i)
@ -881,6 +893,7 @@ func (c *Client) setBar() {
}
func (c *Client) receiveData(i int) {
log.Debugf("%d receiving data", i)
for {
data, err := c.conn[i+1].Receive()
if err != nil {
@ -938,30 +951,23 @@ func (c *Client) receiveData(i int) {
func (c *Client) sendData(i int) {
defer func() {
log.Debugf("finished with %d", i)
}()
pathToFile := path.Join(
c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderSource,
c.FilesToTransfer[c.FilesToTransferCurrentNum].Name,
)
log.Debugf("opening %s to read", pathToFile)
f, err := os.Open(pathToFile)
if err != nil {
panic(err)
c.numfinished++
if c.numfinished == len(c.Options.RelayPorts) {
log.Debug("closing file")
c.fread.Close()
}
defer f.Close()
}()
var readingPos int64
pos := uint64(0)
curi := float64(0)
for {
// Read file
data := make([]byte, models.TCP_BUFFER_SIZE/2)
n, err := f.Read(data)
if err != nil {
if err == io.EOF {
break
}
panic(err)
}
// log.Debugf("%d trying to read", i)
n, errRead := c.fread.ReadAt(data, readingPos)
// log.Debugf("%d read %d bytes", i, n)
readingPos += int64(n)
if math.Mod(curi, float64(len(c.Options.RelayPorts))) == float64(i) {
// check to see if this is a chunk that the recipient wants
@ -1003,8 +1009,13 @@ func (c *Client) sendData(i int) {
curi++
pos += uint64(n)
}
time.Sleep(10 * time.Second)
if errRead != nil {
if errRead == io.EOF {
break
}
panic(errRead)
}
}
return
}

1
src/croc/croc_test.go
View file

@ -11,6 +11,7 @@ import (
)
func TestCroc(t *testing.T) {
log.SetLevel("trace")
defer os.Remove("README.md")
go tcp.Run("debug", "8081", "8082,8083,8084,8085")
go tcp.Run("debug", "8082")