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satipc.c
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/*
* Copyright (C) 2014-2020 Catalin Toda <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
*/
#define _GNU_SOURCE
#include <stdint.h>
#include <string.h>
#include <math.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <time.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <net/if.h>
#include <fcntl.h>
#include <ctype.h>
#include "utils.h"
#include "dvbapi.h"
#include "satipc.h"
#include "ca.h"
#include "minisatip.h"
#include "dvb.h"
#define TCP_DATA_SIZE ((ADAPTER_BUFFER/1316)*(1316+16))
extern char *fe_delsys[];
extern struct struct_opts opts;
typedef struct struct_satipc
{
char enabled;
int id;
int lap, ldp; // number of pids to add, number of pids to delete
uint16_t apid[MAX_PIDS]; // pids to add
uint16_t dpid[MAX_PIDS]; // pids to delete
// satipc
char *sip;
int sport;
char session[18];
int stream_id;
int listen_rtp;
int rtcp, rtcp_sock, cseq;
int err;
int wp, qp; // written packet, queued packet
char ignore_packets; // ignore packets coming from satip server while tuning
char satip_fe, last_cmd;
char use_tcp;
char expect_reply, force_commit, want_commit, want_tune, sent_transport;
int64_t last_setup, last_connect;
uint8_t addpids, setup_pids;
unsigned char *tcp_data;
int tcp_size, tcp_pos, tcp_len;
char use_fe;
uint32_t rcvp, repno, rtp_miss, rtp_ooo; // rtp statstics
uint16_t rtp_seq;
} satipc;
satipc *satip[MAX_ADAPTERS];
satipc * get_satip1(int aid, char *file, int line)
{
if (aid < 0 || aid >= MAX_ADAPTERS || !satip[aid] || !satip[aid]->enabled)
{
LOG("%s:%d: %s returns NULL for id %d", file, line, __FUNCTION__, aid);
return NULL;
}
return satip[aid];
}
#define get_satip(a) get_satip1(a, __FILE__, __LINE__)
#define get_ad_and_sipr(id, val) { ad = get_adapter(id);\
sip = get_satip(id);\
if(!ad || !sip)\
return val;\
}
#define get_ad_and_sip(id) { ad = get_adapter(id);\
sip = get_satip(id);\
if(!ad || !sip)\
return;\
}
int http_request(adapter *ad, char *url, char *method);
#define SATIPC_ITEM (0x3000000000000)
#define MAKE_ITEM(a,b) ((SATIPC_ITEM | (a<<24) | (b)))
void satipc_commit(adapter *ad);
void set_adapter_signal(adapter *ad, char *b, int rlen);
int satipc_reply(sockets * s)
{
int rlen = s->rlen;
adapter *ad;
satipc *sip;
char *arg[50], *sess, *es, *sid, *timeout;
int la, i, rc;
__attribute__((unused)) int rv;
get_ad_and_sipr(s->sid, 1);
s->rlen = 0;
LOG("satipc_reply (sock %d) handle %d, adapter %d:\n%s", s->id, s->sock,
s->sid, s->buf);
if ((timeout = strstr(s->buf, "timeout=")))
{
int tmout;
timeout += strlen("timeout=");
tmout = map_intd(timeout, NULL, 30);
sockets_timeout(ad->fe_sock, tmout * 1000); // 30s
}
sess = strstr(s->buf, "Session:");
if (sip->last_cmd == RTSP_DESCRIBE)
{
set_adapter_signal(ad, s->buf, rlen);
}
la = split(arg, (char *) s->buf, 50, ' ');
rc = map_int(arg[1], NULL);
// if (sip->last_cmd == RTSP_OPTIONS && !sess && sip->session[0])
// rc = 454;
if (rc == 454 || rc == 503 || rc == 405)
{
sip->sent_transport = 0;
sip->want_tune = 1;
sip->want_commit = 1;
sip->force_commit = 1;
}
else if (rc != 200)
sip->err = 1;
sid = NULL;
if (rc == 200 && !sip->want_tune && sip->last_cmd == RTSP_PLAY)
sip->ignore_packets = 0;
sess = NULL;
for (i = 0; i < la; i++)
if (strncasecmp("Session:", arg[i], 8) == 0)
sess = header_parameter(arg, i);
else if (strncasecmp("com.ses.streamID:", arg[i], 17) == 0)
sid = header_parameter(arg, i);
else if (strncasecmp("Server:", arg[i], 7) == 0)
{
char *ua = header_parameter(arg, i);
if (!strncmp(ua, app_name, strlen(app_name)))
{
sip->addpids = 1;
sip->setup_pids = 1;
}
}
if (!sip->err && !sip->session[0] && sess)
{
if ((es = strchr(sess, ';')))
*es = 0;
strncpy(sip->session, sess, sizeof(sip->session));
sip->session[sizeof(sip->session) - 1] = 0;
LOG("satipc: session set for adapter %d to %s", ad->id, sip->session);
if (sid && sip->stream_id == -1)
sip->stream_id = map_int(sid, NULL);
sip->expect_reply = 0;
sip->force_commit = 1;
// http_request(ad, NULL, "PLAY");
satipc_commit(ad);
return 0;
}
if (sip->wp >= sip->qp)
sip->expect_reply = 0;
else
{
char *np = (char *) getItem(MAKE_ITEM(ad->id, sip->wp));
if (np)
{
int len = strlen(np);
if (sip->session[0] && !strstr(np, "Session:"))
sprintf(np + len - 2, "Session: %s\r\n\r\n", sip->session);
LOG("satipc_reply: sending next packet:\n%s", np);
rv = write(s->sock, np, strlen(np));
delItem(MAKE_ITEM(ad->id, sip->wp++));
}
}
if (!sip->expect_reply && (sip->wp >= sip->qp)
&& (sip->want_commit || sip->force_commit)) // we do not expect reply and no other events in the queue, we commit a
{
satipc_commit(ad);
}
if (!sip->expect_reply && sip->last_cmd == RTSP_PLAY)
http_request(ad, NULL, "DESCRIBE");
return 0;
}
int satipc_timeout(sockets *s)
{
adapter *ad;
satipc *sip;
get_ad_and_sipr(s->sid, 1);
LOG(
"satipc: Sent keep-alive to the satip server %s:%d, adapter %d, socket_id %d, handle %d, timeout %d",
ad?sip->sip:NULL, ad ? sip->sport : 0, s->sid, s->id, s->sock,
s->timeout_ms);
http_request(ad, NULL, "OPTIONS");
s->rtime = getTick();
return 0;
}
int satipc_close(sockets * s)
{
LOG("satip_close called for adapter %d, socket_id %d, handle %d timeout %d",
s->sid, s->id, s->sock, s->timeout_ms);
close_adapter(s->sid);
return 0;
}
void set_adapter_signal(adapter *ad, char *b, int rlen)
{
int i, strength, status, snr;
char *ver, *tun, *signal;
for (i = 0; i < rlen - 4; i++)
if (b[i] == 'v' && b[i + 1] == 'e' && b[i + 2] == 'r'
&& b[i + 3] == '=')
{
ver = b + i;
tun = strstr((const char*) ver, "tuner=");
if (tun)
signal = strchr(tun, ',');
if (signal)
{
sscanf(signal + 1, "%d,%d,%d", &strength, &status, &snr);
if (ad->strength != strength && ad->snr != snr)
LOGL(3,
"satipc: Received signal status from the server for adapter %d, stength=%d status=%d snr=%d",
ad->id, strength, status, snr);
ad->strength = strength;
ad->status = status ? FE_HAS_LOCK : 0;
ad->snr = snr;
}
}
}
int satipc_rtcp_reply(sockets * s)
{
unsigned char *b = s->buf, *ver, *signal;
char *tun;
int i, rlen = s->rlen;
adapter *ad;
satipc *sip;
get_ad_and_sipr(s->sid, 0);
int strength, status, snr;
uint32_t rp;
s->rlen = 0;
// LOG("satip_rtcp_reply called");
if (b[0] == 0x80 && b[1] == 0xC8)
{
copy32r(rp, b, 20);
if (!sip->use_tcp && ((++sip->repno % 100) == 0)) //every 20s
LOG(
"satipc: rtp report, adapter %d: rtcp missing packets %d, rtp missing %d, rtp ooo %d, pid err %d",
ad->id, rp - sip->rcvp, sip->rtp_miss, sip->rtp_ooo,
ad->pid_err - ad->dec_err);
}
set_adapter_signal(ad, b, rlen);
return 0;
}
int satipc_open_device(adapter *ad)
{
satipc *sip = satip[ad->id];
if (!sip || !sip->sip)
return 1;
int64_t ctime = getTick();
if ((sip->last_connect > 0) && (ctime - sip->last_connect < 30000))
return 3;
sip->last_connect = ctime;
ad->fe = tcp_connect(sip->sip, sip->sport, NULL, 0); // non-blockin socket
if (ad->fe < 0)
return 2;
LOG("satipc: connected to SAT>IP server %s port %d %s handle %d", sip->sip,
sip->sport, sip->use_tcp ? "[RTSP OVER TCP]" : "", ad->fe);
if (!sip->use_tcp)
{
sip->listen_rtp = opts.start_rtp + 1000 + ad->id * 2;
ad->dvr = udp_bind(NULL, sip->listen_rtp);
sip->rtcp = udp_bind(NULL, sip->listen_rtp + 1);
ad->fe_sock = sockets_add(ad->fe, NULL, ad->id, TYPE_TCP,
(socket_action) satipc_reply, (socket_action) satipc_close,
(socket_action) satipc_timeout);
sip->rtcp_sock = sockets_add(sip->rtcp, NULL, ad->id, TYPE_TCP,
(socket_action) satipc_rtcp_reply, (socket_action) satipc_close,
NULL);
sockets_timeout(ad->fe_sock, 30000); // 30s
set_socket_receive_buffer(ad->dvr, opts.dvr_buffer);
if (ad->fe_sock < 0 || ad->dvr < 0 || sip->rtcp < 0
|| sip->rtcp_sock < 0)
{
sockets_del(sip->rtcp_sock);
sockets_del(ad->fe_sock);
close(sip->rtcp);
close(ad->dvr);
close(ad->fe);
}
}
else
{
ad->dvr = ad->fe;
ad->fe = -1;
ad->fe_sock = sockets_add(SOCK_TIMEOUT, NULL, ad->id, TYPE_UDP,
NULL, NULL, (socket_action) satipc_timeout);
sockets_timeout(ad->fe_sock, 30000); // 30s
}
sip->session[0] = 0;
sip->lap = 0;
sip->ldp = 0;
sip->cseq = 1;
sip->err = 0;
sip->tcp_pos = sip->tcp_len = 0;
sip->expect_reply = 0;
sip->last_connect = 0;
sip->sent_transport = 0;
sip->session[0] = 0;
sip->stream_id = -1;
sip->wp = sip->qp = sip->want_commit = 0;
sip->rcvp = sip->repno = 0;
sip->rtp_miss = sip->rtp_ooo = 0;
sip->rtp_seq = 0xFFFF;
sip->ignore_packets = 1;
sip->force_commit = 0;
sip->last_setup = -10000;
sip->last_cmd = 0;
sip->enabled = 1;
http_request(ad, NULL, "OPTIONS");
return 0;
}
void satip_close_device(adapter *ad)
{
satipc *sip = get_satip(ad->id);
http_request(ad, NULL, "TEARDOWN");
sip->session[0] = 0;
sip->sent_transport = 0;
if (ad->fe_sock > 0)
sockets_del(ad->fe_sock);
if (sip->rtcp_sock > 0)
sockets_del(sip->rtcp_sock);
ad->fe_sock = -1;
sip->rtcp_sock = -1;
sip->enabled = 0;
}
int satipc_read(int socket, void *buf, int len, sockets *ss, int *rb)
{
unsigned char buf1[20];
uint16_t seq;
adapter *ad;
satipc *sip;
get_ad_and_sipr(ss->sid, 0);
struct iovec iov[3] =
{
{ .iov_base = buf1, .iov_len = 12 },
{ .iov_base = buf, .iov_len = len },
{ NULL, 0 } };
*rb = readv(socket, iov, 2); // stripping rtp header
if (*rb > 0)
{
ad = get_adapter(ss->sid);
sip->rcvp++;
copy16r(seq, buf1, 2);
if (sip->rtp_seq == 0xFFFF)
sip->rtp_seq = seq;
if (seq > sip->rtp_seq)
sip->rtp_miss++;
else if (seq < sip->rtp_seq)
sip->rtp_ooo++;
sip->rtp_seq = (seq + 1) & 0xFFFF;
}
if (!ad)
ad = get_adapter(ss->sid);
if (ad && sip->ignore_packets)
{
*rb = 0;
return 1;
}
*rb -= 12;
return (*rb >= 0);
}
int process_rtsp_tcp(sockets *ss, unsigned char *rtsp, int rtsp_len, void *buf,
int len)
{
int nl = 0;
unsigned char tmp_char;
satipc *sip = get_satip(ss->sid);
adapter *ad = get_adapter(ss->sid);
if (!ad || !sip)
return 0;
if (sip->ignore_packets)
return 0;
if (rtsp[1] == 1)
{
tmp_char = rtsp[rtsp_len + 4];
rtsp[rtsp_len + 4] = 0;
set_adapter_signal(ad, rtsp + 4, rtsp_len);
rtsp[rtsp_len + 4] = tmp_char;
return 0;
}
else if (rtsp[1] == 0)
{
nl = rtsp_len - 12;
if (nl > len)
nl = len;
if (nl > 0)
memcpy(buf, rtsp + 16, nl);
}
else
LOG("Not processing packet as the type is %02X (not 0 or 1)", rtsp[1]);
return nl;
}
int satipc_tcp_read(int socket, void *buf, int len, sockets *ss, int *rb)
{
unsigned char *rtsp;
sockets tmp_sock;
uint16_t seq;
static int iter;
int pos;
int rtsp_len;
int tmp_len;
adapter *ad;
satipc *sip;
get_ad_and_sipr(ss->sid, 0);
*rb = 0;
if (!sip->tcp_data)
{
sip->tcp_size = TCP_DATA_SIZE;
sip->tcp_data = malloc1(sip->tcp_size + 1);
if (!sip->tcp_data)
LOG_AND_RETURN(-1, "Cannot alloc memory for tcp_data with size %d",
sip->tcp_size);
memset(sip->tcp_data, 0, sip->tcp_size + 1);
}
if (sip->tcp_len == sip->tcp_size && sip->tcp_pos == 0)
{
LOG("Probably the buffer needs to be increased, as it is full");
sip->tcp_len = 0;
}
if (sip->tcp_len == sip->tcp_size)
{
int nl = sip->tcp_len - sip->tcp_pos;
memmove(sip->tcp_data, sip->tcp_data + sip->tcp_pos, nl);
// LOG("Moved from the position %d, length %d", sip->tcp_pos, nl);
sip->tcp_pos = 0;
sip->tcp_len = nl;
}
tmp_len = read(socket, sip->tcp_data + sip->tcp_len,
sip->tcp_size - sip->tcp_len);
if (tmp_len <= 0)
return 0;
pos = 0;
sip->tcp_len += tmp_len;
while (sip->tcp_pos < sip->tcp_len - 6)
{
rtsp = sip->tcp_data + sip->tcp_pos;
if ((rtsp[0] == 0x24) && (rtsp[1] < 2) && (rtsp[4] == 0x80)
&& ((rtsp[5] == 0x21) || (rtsp[5] == 0xC8)))
{
copy16r(rtsp_len, rtsp, 2);
if (rtsp_len + sip->tcp_pos > sip->tcp_len) // expecting more data in the buffer
{
break;
}
if (rtsp[1] == 0 && (rtsp_len - 12 + pos > len)) // destination buffer full
{
LOGL(4,
"Destination buffer is full @ buf %x pos %d, required %d len %d [%d]",
buf, pos, rtsp_len - 12, len, sip->tcp_pos);
break;
}
sip->tcp_pos += rtsp_len + 4;
// LOG("processed %d", rtsp_len);
pos += process_rtsp_tcp(ss, rtsp, rtsp_len, buf + pos, len - pos);
*rb = pos;
}
else if (!strncmp(rtsp, "RTSP", 4))
{
unsigned char *nlnl, *cl;
int bytes;
unsigned char tmp_char;
nlnl = strstr(rtsp, "\r\n\r\n");
if (nlnl && (cl = strcasestr(rtsp, "content-length:")))
{
cl += 15;
while (*cl == 0x20)
cl++;
int icl = map_intd(cl, NULL, 0);
nlnl += icl;
}
if (!nlnl)
break;
memset(&tmp_sock, 0, sizeof(tmp_sock));
bytes = nlnl - rtsp;
sip->tcp_pos += bytes + 4;
tmp_sock.buf = rtsp;
tmp_sock.rlen = bytes;
tmp_sock.sid = ss->sid;
tmp_sock.sock = ad->dvr;
tmp_sock.id = ss->id;
tmp_char = rtsp[bytes + 4];
rtsp[bytes + 4] = 0;
satipc_reply(&tmp_sock);
rtsp[bytes + 4] = tmp_char;
}
else
{
LOG("ignoring byte %02X", rtsp[0]);
sip->tcp_pos++;
}
}
if (sip->tcp_pos == sip->tcp_len)
sip->tcp_pos = sip->tcp_len = 0;
return (*rb >= 0);
}
void satip_post_init(adapter *ad)
{
satipc *sip;
get_ad_and_sip(ad->id);
if (sip->use_tcp)
sockets_setread(ad->sock, satipc_tcp_read);
else
{
sockets_setread(ad->sock, satipc_read);
set_socket_thread(sip->rtcp_sock, get_socket_thread(ad->sock));
}
set_socket_thread(ad->fe_sock, get_socket_thread(ad->sock));
}
int satipc_set_pid(adapter *ad, uint16_t pid)
{
satipc *sip;
sip = get_satip(ad->id);
int aid = ad->id;
if (sip->err) // error reported, return error
return 0;
LOG("satipc: set_pid for adapter %d, pid %d, err %d", aid, pid, sip->err);
if (sip->err) // error reported, return error
return 0;
sip->apid[sip->lap] = pid;
sip->lap++;
return aid + 100;
}
int satipc_del_filters(int fd, int pid)
{
adapter *ad;
satipc *sip;
fd -= 100;
get_ad_and_sipr(fd, 0);
LOG("satipc: del_pid for aid %d, pid %d, err %d", fd, pid, sip->err);
if (sip->err) // error reported, return error
return 0;
sip->dpid[sip->ldp] = pid;
sip->ldp++;
return 0;
}
void get_s2_url(adapter *ad, char *url)
{
#define FILL(req, val, def, met) if((val != def) && (val!=-1)) len +=sprintf(url + len, req, met);
int len = 0, plts, ro;
transponder * tp = &ad->tp;
satipc *sip = get_satip(ad->id);
if (!sip)
return;
url[0] = 0;
plts = tp->plts;
ro = tp->ro;
// if (plts == PILOT_AUTO)
// plts = PILOT_OFF;
// if (ro == ROLLOFF_AUTO)
// ro = ROLLOFF_35;
FILL("src=%d", tp->diseqc, 0, tp->diseqc);
if (sip->use_fe)
FILL("&fe=%d", sip->satip_fe, 0, sip->satip_fe);
FILL("&freq=%d", tp->freq, 0, tp->freq / 1000);
FILL("&msys=%s", tp->sys, 0, get_delsys(tp->sys));
FILL("&mtype=%s", tp->mtype, -1, get_modulation(tp->mtype));
FILL("&pol=%s", tp->pol, -1, get_pol(tp->pol));
FILL("&sr=%d", tp->sr, -1, tp->sr / 1000);
FILL("&fec=%s", tp->fec, FEC_AUTO, get_fec(tp->fec));
FILL("&ro=%s", ro, ROLLOFF_AUTO, get_rolloff(ro));
FILL("&plts=%s", plts, PILOT_AUTO, get_pilot(plts));
url[len] = 0;
return;
}
void get_c2_url(adapter *ad, char *url)
{
int len = 0;
transponder * tp = &ad->tp;
satipc *sip = get_satip(ad->id);
if (!sip)
return;
url[0] = 0;
FILL("freq=%.1f", tp->freq, 0, tp->freq / 1000.0);
if (sip->use_fe)
FILL("&fe=%d", sip->satip_fe, 0, sip->satip_fe);
FILL("&sr=%d", tp->sr, -1, tp->sr / 1000);
FILL("&msys=%s", tp->sys, 0, get_delsys(tp->sys));
FILL("&mtype=%s", tp->mtype, -1, get_modulation(tp->mtype));
FILL("&gi=%s", tp->gi, GUARD_INTERVAL_AUTO, get_gi(tp->gi));
FILL("&fec=%s", tp->fec, FEC_AUTO, get_fec(tp->fec));
FILL("&tmode=%s", tp->tmode, TRANSMISSION_MODE_AUTO, get_tmode(tp->tmode));
FILL("&specinv=%d", tp->inversion, INVERSION_AUTO, tp->inversion);
FILL("&t2id=%d", tp->t2id, 0, tp->t2id);
FILL("&sm=%d", tp->sm, 0, tp->sm);
FILL("&plp=%d", tp->plp, 0, tp->plp);
url[len] = 0;
return;
}
void get_t2_url(adapter *ad, char *url)
{
int len = 0;
transponder * tp = &ad->tp;
satipc *sip = get_satip(ad->id);
if (!sip)
return;
url[0] = 0;
FILL("freq=%.1f", tp->freq, 0, tp->freq / 1000.0);
if (sip->use_fe)
FILL("&fe=%d", sip->satip_fe, 0, sip->satip_fe);
FILL("&bw=%d", tp->bw, BANDWIDTH_AUTO, tp->bw / 1000000);
FILL("&msys=%s", tp->sys, 0, get_delsys(tp->sys));
FILL("&mtype=%s", tp->mtype, -1, get_modulation(tp->mtype));
FILL("&gi=%s", tp->gi, GUARD_INTERVAL_AUTO, get_gi(tp->gi));
FILL("&tmode=%s", tp->tmode, TRANSMISSION_MODE_AUTO, get_tmode(tp->tmode));
FILL("&specinv=%d", tp->inversion, INVERSION_AUTO, tp->inversion);
FILL("&c2tft=%d", tp->c2tft, 0, tp->c2tft);
FILL("&ds=%d", tp->ds, 0, tp->ds);
FILL("&plp=%d", tp->plp, 0, tp->plp);
url[len] = 0;
return;
}
int http_request(adapter *ad, char *url, char *method)
{
char session[200];
char buf[2048];
char sid[40];
char *qm;
int lb, remote_socket;
char format[] = "%s rtsp://%s:%d/%s%s%s RTSP/1.0\r\nCSeq: %d%s\r\n\r\n";
__attribute__((unused)) int rv;
satipc *sip = get_satip(ad->id);
if (!sip)
return 0;
session[0] = 0;
sid[0] = 0;
int64_t ctime = getTick();
remote_socket = sip->use_tcp ? ad->dvr : ad->fe;
if (!method && sip->sent_transport == 0)
{
method = "SETUP";
sip->last_setup = getTick();
}
if (!method)
method = "PLAY";
if (sip->sent_transport == 0 && method[0] == 'S')
{
sip->sent_transport = 1;
sip->stream_id = -1;
sip->session[0] = 0;
if (sip->use_tcp)
sprintf(session, "\r\nTransport: RTP/AVP/TCP;interleaved=0-1");
else
sprintf(session, "\r\nTransport:RTP/AVP;unicast;client_port=%d-%d",
sip->listen_rtp, sip->listen_rtp + 1);
}
else
{
if (sip->session[0])
sprintf(session, "\r\nSession: %s", sip->session);
else
session[0] = 0;
}
if (strcmp(method, "OPTIONS") == 0)
{
sprintf(session + strlen(session), "\r\nUser-Agent: %s %s", app_name,
version);
sip->last_cmd = RTSP_OPTIONS;
}
if (!strcmp(method, "PLAY"))
sip->last_cmd = RTSP_PLAY;
else if (!strcmp(method, "TEARDOWN"))
sip->last_cmd = RTSP_TEARDOWN;
else if (!strcmp(method, "DESCRIBE"))
sip->last_cmd = RTSP_DESCRIBE;
else if (!strcmp(method, "SETUP"))
sip->last_cmd = RTSP_SETUP;
qm = "?";
if (!url || !url[0])
qm = "";
if (!url)
url = "";
if (sip->stream_id != -1)
sprintf(sid, "stream=%d", sip->stream_id);
lb = snprintf(buf, sizeof(buf), format, method, sip->sip, sip->sport, sid,
qm, url, sip->cseq++, session);
LOG("satipc_http_request (ad %d): %s to handle %d: \n%s", ad->id,
sip->expect_reply ? "queueing" : "sending", remote_socket, buf);
if (sip->expect_reply)
{
setItem(MAKE_ITEM(ad->id, sip->qp++), (unsigned char *) buf, lb + 1, 0);
}
else
{
sip->wp = sip->qp = 0;
rv = write(remote_socket, buf, lb);
if(rv != lb)
LOG("satipc: write error %d: %d from %d written (%s)", errno, rv, lb, strerror(errno));
}
sip->expect_reply = 1;
return 0;
}
void tune_url(adapter *ad, char *url)
{
switch (ad->sys[0])
{
case SYS_DVBS2:
case SYS_DVBS:
get_s2_url(ad, url);
break;
case SYS_DVBC2:
case SYS_DVBC_ANNEX_A:
get_c2_url(ad, url);
break;
case SYS_DVBT2:
case SYS_DVBT:
case SYS_ISDBT:
get_t2_url(ad, url);
break;
}
}
void satipc_commit(adapter *ad)
{
char url[400];
char tmp_url[400];
int send_pids = 1, send_apids = 1, send_dpids = 1;
int len = 0, i;
satipc *sip = get_satip(ad->id);
if (!sip)
return;
url[0] = 0;
LOG(
"satipc: commit for adapter %d pids to add %d, pids to delete %d, expect_reply %d, force_commit %d want_tune %d",
ad->id, sip->lap, sip->ldp, sip->expect_reply, sip->force_commit,
sip->want_tune);
if (sip->lap + sip->ldp == 0)
if (!sip->force_commit || !ad->tp.freq)
return;
if (sip->expect_reply)
{
sip->want_commit = 1;
return;
}
if (!sip->addpids)
{
send_apids = 0;
send_dpids = 0;
}
if (!sip->sent_transport)
{
send_apids = 0;
send_dpids = 0;
if (!sip->setup_pids)
send_pids = 0;
}
if (sip->force_commit && sip->sent_transport)
send_pids = 1;
if (send_apids && send_pids)
send_pids = 0;
send_apids = send_apids && sip->lap > 0;
send_dpids = send_dpids && sip->ldp > 0;
if (getTick() - sip->last_setup < 10000 && !sip->sent_transport)
{
LOG(
"satipc: last setup less than 10 seconds ago for server %s, maybe an error ?",
sip->sip);
return;
}
// if (sip->last_cmd != RTSP_OPTIONS && sip->sent_transport == 0)
// {
// http_request(ad, NULL, "OPTIONS");
// sip->force_commit = 1;
// return;
// }
if (sip->sent_transport == 0)
sip->want_tune = 1;
sip->want_commit = 0;
if (sip->want_tune + send_pids + send_apids + send_dpids == 0)
{
LOG("satipc: nothing to commit");
sip->force_commit = 0;
if (sip->last_cmd == RTSP_SETUP && !sip->setup_pids)
send_apids = 1; // force send addpids=
}
if (sip->want_tune)
{
tune_url(ad, url);
len = strlen(url);
sip->ignore_packets = 1; // ignore all the packets until we get 200 from the server
sip->want_tune = 0;
if (!sip->setup_pids)
sprintf(url + len, "&pids=none");
}
get_adapter_pids(ad->id, tmp_url, sizeof(tmp_url));
if ((send_apids || send_dpids)
&& (!strcmp(tmp_url, "all") || !strcmp(tmp_url, "none")))
{
send_apids = send_dpids = 0;
send_pids = 1;
}
if (send_pids)
{
if (len > 0)
len += sprintf(url + len, "&");
len += sprintf(url + len, "pids=");
// get_adapter_pids(ad->id, url + len, sizeof(url) - len);
strncpy(url + len, tmp_url, sizeof(url) - len);
url[sizeof(url) - 1] = 0;
sip->lap = 0;
sip->ldp = 0;
sip->force_commit = 0;
}
if (send_apids)
{
int pids[MAX_PIDS];
int i;
if (len > 0)
len += sprintf(url + len, "&");
len += sprintf(url + len, "addpids=");
for (i = 0; i < sip->lap; i++)
len += sprintf(url + len, "%d,", sip->apid[i]);
if (sip->lap == 0)
get_adapter_pids(ad->id, url + len, sizeof(url) - len);
else
url[--len] = 0;
sip->lap = 0;
sip->force_commit = 0;
}
if (send_dpids)
{
if (len > 0)
len += sprintf(url + len, "&");
len += sprintf(url + len, "delpids=");
for (i = 0; i < sip->ldp; i++)
len += sprintf(url + len, "%d,", sip->dpid[i]);
url[--len] = 0;
sip->ldp = 0;
sip->force_commit = 0;
}
http_request(ad, url, NULL);
return;
}
int satipc_tune(int aid, transponder * tp)
{
adapter *ad;
satipc *sip;
get_ad_and_sipr(aid, 1);
LOG("satipc: tuning to freq %d, sys %d for adapter %d", ad->tp.freq / 1000,
ad->tp.sys, aid);
sip->err = 0;
ad->strength = 0;
ad->status = 0;
ad->snr = 0;
sip->want_commit = 0;
sip->want_tune = 1;
sip->ignore_packets = 1; // ignore all the packets until we get 200 from the server
sip->lap = 0;
sip->ldp = 0;
sip->use_fe = 0;
if (tp->fe > 0)
sip->use_fe = 1;
/* if(sip->sent_transport == 0)
{
tune_url(ad, url);
url[strlen(url) - 6] = 0;
// sprintf(url + strlen(url), "0");
http_request(ad, url, "SETUP");
sip->want_tune = 0;
}
*/
return 0;
}
fe_delivery_system_t satipc_delsys(int aid, int fd, fe_delivery_system_t *sys)
{
return 0;
}
uint8_t determine_fe(adapter **a, int pos, char *csip, int sport)
{
int i = pos;
while (i > 0)