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cwc: Use only one fastest ECM reader

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Use only one - fastest - ECM reader when multiple CA readers/cards are
available for one program.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2012-04-12 14:35:06 +02:00
parent 84842c951c
commit 39d1600bf9
1 changed files with 21 additions and 2 deletions
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23
src/cwc.c
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@ -151,7 +151,8 @@ typedef struct cwc_service {
enum {
CS_UNKNOWN,
CS_RESOLVED,
CS_FORBIDDEN
CS_FORBIDDEN,
CS_IDLE
} cs_keystate;
void *cs_keys;
@ -742,6 +743,8 @@ handle_ecm_reply(cwc_service_t *ct, ecm_section_t *es, uint8_t *msg,
int len, int seq)
{
service_t *t = ct->cs_service;
cwc_service_t *ct2;
cwc_t *cwc2;
ecm_pid_t *ep;
char chaninfo[32];
int i;
@ -800,12 +803,25 @@ handle_ecm_reply(cwc_service_t *ct, ecm_section_t *es, uint8_t *msg,
msg[3 + 5], msg[3 + 6], msg[3 + 7], msg[3 + 8], msg[3 + 9],
msg[3 + 10],msg[3 + 11],msg[3 + 12],msg[3 + 13],msg[3 + 14],
msg[3 + 15], seq, delay);
TAILQ_FOREACH(cwc2, &cwcs, cwc_link) {
LIST_FOREACH(ct2, &cwc2->cwc_services, cs_link) {
if (ct != ct2 && ct2->cs_service == t &&
ct2->cs_keystate == CS_RESOLVED) {
ct->cs_keystate = CS_IDLE;
tvhlog(LOG_DEBUG, "cwc",
"Already has a key for service \"%s\", from %s:%i",
t->s_svcname, ct2->cs_cwc->cwc_hostname, ct2->cs_cwc->cwc_port);
return;
}
}
}
if(ct->cs_keystate != CS_RESOLVED)
tvhlog(LOG_INFO, "cwc",
"Obtained key for for service \"%s\" in %lld ms, from %s",
t->s_svcname, delay, ct->cs_cwc->cwc_hostname);
ct->cs_keystate = CS_RESOLVED;
memcpy(ct->cs_cw, msg + 3, 16);
ct->cs_pending_cw_update = 1;
@ -1519,6 +1535,9 @@ cwc_table_input(struct th_descrambler *td, struct service *t,
char chaninfo[32];
caid_t *c;
if (ct->cs_keystate == CS_IDLE)
return;
if(len > 4096)
return;