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M17 - IP Frame and UDP Socket Connect/Blaster(WIP);

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lwvmobile
2024-03-05 16:00:35 -05:00
parent a2113fcdcc
commit 0ba3fee968
4 changed files with 174 additions and 25 deletions
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56
src/dsd_rigctl.c
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@@ -32,6 +32,7 @@ void error(char *msg) {
struct sockaddr_in address;
struct sockaddr_in addressA;
struct sockaddr_in addressM17;
//
// Connect
@@ -334,6 +335,22 @@ int udp_socket_blasterA(dsd_opts * opts, dsd_state * state, size_t nsam, void *
if (err < nsam) fprintf (stderr, "\n UDP Underflow %ld", err); //I'm not even sure if this is possible
}
int m17_socket_blaster(dsd_opts * opts, dsd_state * state, size_t nsam, void * data)
{
UNUSED(state);
size_t err = 0;
//listen with:
//54 packed bytes
//socat stdio udp-listen:17000 | (decoder)
//send audio or data to socket
err = sendto(opts->m17_udp_sock, data, nsam, 0, (const struct sockaddr * ) & addressM17, sizeof(struct sockaddr_in));
if (err < 0) fprintf (stderr, "\n UDP SENDTO ERR %ld", err); //return value here is size_t number of characters sent, or -1 for failure
if (err < nsam) fprintf (stderr, "\n UDP Underflow %ld", err); //I'm not even sure if this is possible
}
int udp_socket_connect(dsd_opts * opts, dsd_state * state)
{
UNUSED(state);
@@ -412,6 +429,45 @@ int udp_socket_connectA(dsd_opts * opts, dsd_state * state)
}
int udp_socket_connectM17(dsd_opts * opts, dsd_state * state)
{
UNUSED(state);
long int err = 0;
err = opts->m17_udp_sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (err < 0)
{
fprintf (stderr, " UDP Socket Error %ld\n", err);
return (err);
}
// Don't think this is needed, but doesn't seem to hurt to keep it here either
int broadcastEnable = 1;
err = setsockopt(opts->m17_udp_sock, SOL_SOCKET, SO_BROADCAST, &broadcastEnable, sizeof(broadcastEnable));
if (err < 0)
{
fprintf (stderr, " UDP Broadcast Set Error %ld\n", err);
return (err);
}
memset((char * ) & addressM17, 0, sizeof(addressM17));
addressM17.sin_family = AF_INET;
err = addressM17.sin_addr.s_addr = inet_addr(opts->m17_hostname);
if (err < 0) //error in this context reports back 32-bit inet_addr reversed order byte pairs
{
fprintf (stderr, " UDP inet_addr Error %ld\n", err);
return (err);
}
addressM17.sin_port = htons(opts->m17_portno); //plus 2 to current port assignment for the analog port value
if (err < 0)
{
fprintf (stderr, " UDP htons Error %ld\n", err);
return (err);
}
}
void return_to_cc (dsd_opts * opts, dsd_state * state)
{
//extra safeguards due to sync issues with NXDN