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/*
en50221 encoder An implementation for libdvb
an implementation for the en50221 transport layer
Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
Copyright (C) 2005 Julian Scheel (julian at jusst dot de)
Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <unistd.h>
#include <libdvben50221/en50221_session.h>
#include <libdvben50221/en50221_app_utils.h>
#include <libdvbapi/dvbca.h>
#include <pthread.h>
void *stackthread_func(void* arg);
int test_lookup_callback(void *arg, uint8_t slot_id, uint32_t requested_resource_id,
en50221_sl_resource_callback *callback_out, void **arg_out, uint32_t *connected_resource_id);
int test_session_callback(void *arg, int reason, uint8_t slot_id, uint16_t session_number, uint32_t resource_id);
int shutdown_stackthread = 0;
#define DEFAULT_SLOT 0
int main(int argc, char * argv[])
{
(void)argc;
(void)argv;
int i;
pthread_t stackthread;
// create transport layer
struct en50221_transport_layer *tl = en50221_tl_create(5, 32);
if (tl == NULL) {
fprintf(stderr, "Failed to create transport layer\n");
exit(1);
}
// find CAMs
int slot_count = 0;
int cafd= -1;
for(i=0; i<20; i++) {
if ((cafd = dvbca_open(i, 0)) > 0) {
if (dvbca_get_cam_state(cafd, DEFAULT_SLOT) == DVBCA_CAMSTATE_MISSING) {
close(cafd);
continue;
}
// reset it and wait
dvbca_reset(cafd, DEFAULT_SLOT);
printf("Found a CAM on adapter%i... waiting...\n", i);
while(dvbca_get_cam_state(cafd, DEFAULT_SLOT) != DVBCA_CAMSTATE_READY) {
usleep(1000);
}
// register it with the CA stack
int slot_id = 0;
if ((slot_id = en50221_tl_register_slot(tl, cafd, DEFAULT_SLOT, 1000, 100)) < 0) {
fprintf(stderr, "Slot registration failed\n");
exit(1);
}
printf("slotid: %i\n", slot_id);
slot_count++;
}
}
// create session layer
struct en50221_session_layer *sl = en50221_sl_create(tl, 256);
if (sl == NULL) {
fprintf(stderr, "Failed to create session layer\n");
exit(1);
}
// start another thread running the stack
pthread_create(&stackthread, NULL, stackthread_func, tl);
// register callbacks
en50221_sl_register_lookup_callback(sl, test_lookup_callback, sl);
en50221_sl_register_session_callback(sl, test_session_callback, sl);
// create a new connection
for(i=0; i<slot_count; i++) {
int tc = en50221_tl_new_tc(tl, i);
printf("tcid: %i\n", tc);
}
// wait
printf("Press a key to exit\n");
getchar();
// destroy slots
for(i=0; i<slot_count; i++) {
en50221_tl_destroy_slot(tl, i);
}
shutdown_stackthread = 1;
pthread_join(stackthread, NULL);
// destroy session layer
en50221_sl_destroy(sl);
// destroy transport layer
en50221_tl_destroy(tl);
return 0;
}
int test_lookup_callback(void *arg, uint8_t slot_id, uint32_t requested_resource_id,
en50221_sl_resource_callback *callback_out, void **arg_out, uint32_t *connected_resource_id)
{
(void)arg;
(void)callback_out;
(void)arg_out;
(void)connected_resource_id;
struct en50221_app_public_resource_id resid;
if (en50221_app_decode_public_resource_id(&resid, requested_resource_id)) {
printf("Public resource lookup callback %i %i %i %i\n", slot_id,
resid.resource_class, resid.resource_type, resid.resource_version);
} else {
printf("Private resource lookup callback %i %08x\n", slot_id, requested_resource_id);
}
return -1;
}
int test_session_callback(void *arg, int reason, uint8_t slot_id, uint16_t session_number, uint32_t resource_id)
{
(void)arg;
printf("Session callback %i %i %i %04x\n", slot_id, session_number, reason, resource_id);
return -1;
}
void *stackthread_func(void* arg) {
struct en50221_transport_layer *tl = arg;
int lasterror = 0;
while(!shutdown_stackthread) {
int error;
if ((error = en50221_tl_poll(tl)) != 0) {
if (error != lasterror) {
fprintf(stderr, "Error reported by stack slot:%i error:%i\n",
en50221_tl_get_error_slot(tl),
en50221_tl_get_error(tl));
}
lasterror = error;
}
}
shutdown_stackthread = 0;
return 0;
}
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