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New Seat method, notify_remote_disconnect.

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This notifies the Seat that the entire backend session has finished
and closed its network connection - or rather, that it _might_ have
done, and that the frontend should check backend_connected() if it
wasn't planning to do so already.

The existing Seat implementations haven't needed this: the GUI ones
don't actually need to do anything specific when the network
connection goes away, and the CLI ones deal with it by being in charge
of their own event loop so that they can easily check
backend_connected() at every possible opportunity in any case. But I'm
about to introduce a new Seat implementation that does need to know
this, and doesn't have any other way to get notified of it.
This commit is contained in:
Simon Tatham
2021-05-22 12:47:51 +01:00
parent 62b694affc
commit 0553aec60a
15 changed files with 43 additions and 0 deletions
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1
ssh/server.c
View File

@ -109,6 +109,7 @@ static const SeatVtable server_seat_vt = {
.eof = nullseat_eof,
.get_userpass_input = nullseat_get_userpass_input,
.notify_remote_exit = nullseat_notify_remote_exit,
.notify_remote_disconnect = nullseat_notify_remote_disconnect,
.connection_fatal = nullseat_connection_fatal,
.update_specials_menu = nullseat_update_specials_menu,
.get_ttymode = nullseat_get_ttymode,

1
ssh/sesschan.c
View File

@ -188,6 +188,7 @@ static const SeatVtable sesschan_seat_vt = {
.eof = sesschan_seat_eof,
.get_userpass_input = nullseat_get_userpass_input,
.notify_remote_exit = sesschan_notify_remote_exit,
.notify_remote_disconnect = nullseat_notify_remote_disconnect,
.connection_fatal = sesschan_connection_fatal,
.update_specials_menu = nullseat_update_specials_menu,
.get_ttymode = nullseat_get_ttymode,

3
ssh/ssh.c
View File

@ -387,6 +387,7 @@ static void ssh_bpp_output_raw_data_callback(void *vctx)
if (ssh->pending_close) {
sk_close(ssh->s);
ssh->s = NULL;
seat_notify_remote_disconnect(ssh->seat);
}
}
@ -428,6 +429,7 @@ static void ssh_shutdown(Ssh *ssh)
if (ssh->s) {
sk_close(ssh->s);
ssh->s = NULL;
seat_notify_remote_disconnect(ssh->seat);
}
bufchain_clear(&ssh->in_raw);
@ -788,6 +790,7 @@ static char *connect_to_host(
if ((err = sk_socket_error(ssh->s)) != NULL) {
ssh->s = NULL;
seat_notify_remote_exit(ssh->seat);
seat_notify_remote_disconnect(ssh->seat);
return dupstr(err);
}
}