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try to write to channel

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got automatic reading done
This commit is contained in:
neon443
2025-06-16 14:39:10 +01:00
parent b4a9e9bb24
commit 5fbc6ec447
2 changed files with 49 additions and 9 deletions
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55
ShhShell/SSH/SSHHandler.swift
View File

@@ -13,6 +13,7 @@ import SwiftUI
class SSHHandler: ObservableObject { class SSHHandler: ObservableObject {
private var session: ssh_session? private var session: ssh_session?
private var channel: ssh_channel? private var channel: ssh_channel?
private var readTimer: Timer?
@Published var authorized: Bool = false @Published var authorized: Bool = false
@Published var connected: Bool = false @Published var connected: Bool = false
@@ -308,16 +309,31 @@ class SSHHandler: ObservableObject {
status = ssh_channel_request_shell(channel) status = ssh_channel_request_shell(channel)
guard status == SSH_OK else { return } guard status == SSH_OK else { return }
while ssh_channel_is_open(channel) != 0 && ssh_channel_is_eof(channel) == 0 { // while ssh_channel_is_open(channel) != 0 && ssh_channel_is_eof(channel) == 0 {
var buffer: [CChar] = Array(repeating: 0, count: 256) // var buffer: [CChar] = Array(repeating: 0, count: 256)
let nbytes = ssh_channel_read_nonblocking(channel, &buffer, UInt32(buffer.count), 0) // let nbytes = ssh_channel_read_nonblocking(channel, &buffer, UInt32(buffer.count), 0)
//
guard nbytes > 0 else { return } // guard nbytes > 0 else { return }
write(1, buffer, Int(nbytes)) // write(1, buffer, Int(nbytes))
//
let data = Data(bytes: buffer, count: buffer.count) // let data = Data(bytes: buffer, count: buffer.count)
print(String(data: data, encoding: .utf8)!) // print(String(data: data, encoding: .utf8)!)
// }
readTimer = Timer(timeInterval: 0.1, repeats: true) { timer in
guard ssh_channel_is_open(self.channel) != 0 else {
timer.invalidate()
self.readTimer = nil
return
}
guard ssh_channel_is_eof(self.channel) == 0 else {
timer.invalidate()
self.readTimer = nil
return
}
self.readFromChannel()
} }
RunLoop.main.add(readTimer!, forMode: .common)
} }
func readFromChannel() { func readFromChannel() {
@@ -337,4 +353,25 @@ class SSHHandler: ObservableObject {
private func logSshGetError() { private func logSshGetError() {
logger.critical("\(String(cString: ssh_get_error(&self.session)))") logger.critical("\(String(cString: ssh_get_error(&self.session)))")
} }
func writeToChannel() {
guard ssh_channel_is_open(channel) != 0 else { return }
guard ssh_channel_is_eof(channel) == 0 else { return }
var buffer: [CChar] = Array(repeating: 65, count: 256)
var nbytes: Int
var nwritten: Int
// readFromChannel()
nbytes = Int(read(0, &buffer, buffer.count))
nbytes = buffer.count
guard nbytes > 0 else {
return
}
if nbytes > 0 {
nwritten = Int(ssh_channel_write(channel, &buffer, UInt32(nbytes)))
guard nwritten == nbytes else { return }
}
// readFromChannel()
}
} }

3
ShhShell/Views/TerminalView.swift
View File

@@ -13,6 +13,9 @@ struct TerminalView: View {
@Environment(\.dismiss) var dismiss @Environment(\.dismiss) var dismiss
var body: some View { var body: some View {
Button("write") {
handler.writeToChannel()
}
TextViewController(text: $handler.terminal) TextViewController(text: $handler.terminal)
.toolbar { .toolbar {
ToolbarItem(placement: .cancellationAction) { ToolbarItem(placement: .cancellationAction) {