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Implement patty_ax25_sock_send_xid()

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Implement patty_ax25_sock_send_xid() to send the current socket
parameters to a remote peer
This commit is contained in:
XANTRONIX Development 2020-07-18 15:10:13 -04:00 • committed by XANTRONIX Industrial
parent 92ff180d57
commit e95994bf19
2 changed files with 59 additions and 0 deletions
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2
include/patty/ax25/sock.h
View file

@ -121,6 +121,8 @@ ssize_t patty_ax25_sock_send_sabme(patty_ax25_sock *sock, int pf);
ssize_t patty_ax25_sock_send_disc(patty_ax25_sock *sock, int pf);
ssize_t patty_ax25_sock_send_xid(patty_ax25_sock *sock);
ssize_t patty_ax25_sock_write(patty_ax25_sock *sock,
void *buf,
size_t len);

57
src/sock.c
View file

@ -377,6 +377,63 @@ ssize_t patty_ax25_sock_send_disc(patty_ax25_sock *sock, int pf) {
0);
}
ssize_t patty_ax25_sock_send_xid(patty_ax25_sock *sock) {
patty_ax25_params params;
ssize_t encoded;
if (sock->remote.callsign[0] == '\0') {
goto error_nopeer;
}
params.flags = PATTY_AX25_PARAM_CLASSES
| PATTY_AX25_PARAM_HDLC
| PATTY_AX25_PARAM_INFO_TX
| PATTY_AX25_PARAM_INFO_RX
| PATTY_AX25_PARAM_WINDOW_TX
| PATTY_AX25_PARAM_WINDOW_RX
| PATTY_AX25_PARAM_ACK
| PATTY_AX25_PARAM_RETRY;
/*
* TODO: This value needs to come from the interface this socket is bound
* to
*/
params.classes = PATTY_AX25_PARAM_CLASSES_ABM
| PATTY_AX25_PARAM_CLASSES_HALF_DUPLEX;
/*
* TODO: These flags should be part of each sock object
*/
params.hdlc = PATTY_AX25_PARAM_HDLC_REJ
| PATTY_AX25_PARAM_HDLC_SREJ
| PATTY_AX25_PARAM_HDLC_XADDR
| PATTY_AX25_PARAM_HDLC_MODULO_128
| PATTY_AX25_PARAM_HDLC_SYNC_TX;
params.info_tx = sock->n_maxlen_tx;
params.info_rx = sock->n_maxlen_rx;
params.window_tx = sock->n_window_tx;
params.window_rx = sock->n_window_rx;
params.ack = sock->n_ack;
params.retry = sock->n_retry;
if ((encoded = patty_ax25_frame_encode_xid(&params,
sock->buf,
sock->n_maxlen_tx)) < 0) {
goto error_frame_encode_xid;
}
return patty_ax25_sock_send(sock,
PATTY_AX25_FRAME_COMMAND,
control_u(PATTY_AX25_FRAME_XID, 0),
sock->buf,
encoded);
error_nopeer:
error_frame_encode_xid:
return -1;
}
ssize_t patty_ax25_sock_write(patty_ax25_sock *sock,
void *buf,
size_t len) {