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need to work on logic

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This commit is contained in:
Zack Scholl 2019-04-08 10:23:36 -07:00
parent 345d4804fd
commit 024f140cb7
3 changed files with 39 additions and 55 deletions
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2
internal/session/session.go
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@ -2,6 +2,7 @@ package session
import (
"io"
"log"
"os"
"github.com/pion/webrtc/v2"
@ -24,6 +25,7 @@ type Session struct {
// New creates a new Session
func New(sdpInput io.Reader, sdpOutput io.Writer) Session {
log.Println("making new channel")
if sdpInput == nil {
sdpInput = os.Stdin
}

5
pkg/session/receiver/init.go
View file

@ -51,6 +51,11 @@ func (s *Session) CreateDataHandler() {
})
}
func (s *Session) ReceiveData() {
s.receiveData()
s.sess.OnCompletion()
}
func (s *Session) receiveData() {
log.Infoln("Starting to receive data...")
defer log.Infoln("Stopped receiving data...")

87
src/croc/croc.go
View file

@ -361,6 +361,8 @@ func (c *Client) processMessage(m Message) (err error) {
c.FilesToTransferCurrentNum = remoteFile.FilesToTransferCurrentNum
c.CurrentFileChunks = remoteFile.CurrentFileChunks
c.Step3RecipientRequestFile = true
err = c.dataChannelSend()
case "chunk":
var chunk Chunk
err = json.Unmarshal(m.Bytes, &chunk)
@ -370,6 +372,10 @@ func (c *Client) processMessage(m Message) (err error) {
_, err = c.CurrentFile.WriteAt(chunk.Bytes, chunk.Location)
c.log.Debug("writing chunk", chunk.Location)
case "datachannel-offer":
err = c.dataChannelReceive()
if err != nil {
return
}
err = c.recvSess.SetSDP(m.Message)
if err != nil {
return
@ -385,6 +391,9 @@ func (c *Client) processMessage(m Message) (err error) {
Message: answer,
Num: m.Num,
}.String()).Err()
// start receiving data
c.recvSess.ReceiveData()
case "datachannel-answer":
c.log.Debug("got answer:", m.Message)
// Apply the answer as the remote description
@ -457,13 +466,13 @@ func (c *Client) updateState() (err error) {
// start initiating the process to receive a new file
log.Debugf("working on file %d", c.FilesToTransferCurrentNum)
// setup folder for new file
if c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderRemote != "." {
err = os.MkdirAll(c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderRemote, os.ModeDir)
if err != nil {
return
}
}
// // setup folder for new file
// if c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderRemote != "." {
// err = os.MkdirAll(c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderRemote, os.ModeDir)
// if err != nil {
// return
// }
// }
pathToFile := path.Join(c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderRemote, c.FilesToTransfer[c.FilesToTransferCurrentNum].Name)
@ -480,19 +489,19 @@ func (c *Client) updateState() (err error) {
} else {
c.CurrentFileChunks = []int64{}
}
if overwrite {
os.Remove(pathToFile)
c.CurrentFile, err = os.Create(pathToFile)
if err != nil {
return
}
err = c.CurrentFile.Truncate(c.FilesToTransfer[c.FilesToTransferCurrentNum].Size)
} else {
c.CurrentFile, err = os.OpenFile(pathToFile, os.O_RDWR|os.O_CREATE, 0755)
}
if err != nil {
return
}
// if overwrite {
// os.Remove(pathToFile)
// c.CurrentFile, err = os.Create(pathToFile)
// if err != nil {
// return
// }
// err = c.CurrentFile.Truncate(c.FilesToTransfer[c.FilesToTransferCurrentNum].Size)
// } else {
// c.CurrentFile, err = os.OpenFile(pathToFile, os.O_RDWR|os.O_CREATE, 0755)
// }
// if err != nil {
// return
// }
// recipient requests the file and chunks (if empty, then should receive all chunks)
bRequest, _ := json.Marshal(RemoteFileRequest{
@ -507,48 +516,16 @@ func (c *Client) updateState() (err error) {
return
}
c.Step3RecipientRequestFile = true
// start receiving data
// Register message handling
c.bar = progressbar.NewOptions64(
c.FilesToTransfer[c.FilesToTransferCurrentNum].Size,
progressbar.OptionSetRenderBlankState(true),
progressbar.OptionSetBytes64(c.FilesToTransfer[c.FilesToTransferCurrentNum].Size),
progressbar.OptionSetWriter(os.Stderr),
progressbar.OptionThrottle(1/60*time.Second),
)
for inum := 0; inum < Channels; inum++ {
go func(i int) {
err = c.dataChannelReceive(i)
if err != nil {
panic(err)
}
}(inum)
}
}
if c.IsSender && c.Step3RecipientRequestFile && !c.Step4FileTransfer {
c.log.Debug("start sending data!")
c.Step4FileTransfer = true
c.bar = progressbar.NewOptions64(
c.FilesToTransfer[c.FilesToTransferCurrentNum].Size,
progressbar.OptionSetRenderBlankState(true),
progressbar.OptionSetBytes64(c.FilesToTransfer[c.FilesToTransferCurrentNum].Size),
progressbar.OptionSetWriter(os.Stderr),
progressbar.OptionThrottle(1/60*time.Second),
)
for inum := 0; inum < Channels; inum++ {
go func(i int) {
err = c.dataChannelSend(i)
if err != nil {
panic(err)
}
}(inum)
}
c.sendSess.TransferFile()
}
return
}
func (c *Client) dataChannelReceive(num int) (err error) {
func (c *Client) dataChannelReceive() (err error) {
pathToFile := path.Join(c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderRemote, c.FilesToTransfer[c.FilesToTransferCurrentNum].Name)
os.MkdirAll(c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderRemote, os.ModeDir)
c.CurrentFile, err = os.OpenFile(pathToFile, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644)
@ -568,7 +545,7 @@ func (c *Client) dataChannelReceive(num int) (err error) {
return
}
func (c *Client) dataChannelSend(num int) (err error) {
func (c *Client) dataChannelSend() (err error) {
pathToFile := path.Join(c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderSource, c.FilesToTransfer[c.FilesToTransferCurrentNum].Name)
c.CurrentFile, err = os.Open(pathToFile)
if err != nil {