static int do_stream_open(const char *path, struct fuse_file_info *fi,
int extra_flags, mode_t mode)
{
int rc;
int flags = fi->flags | extra_flags;
char *p = fixpath(path);
struct fh *fh = malloc(sizeof (struct fh));
if (!fh)
return -ENOMEM;
struct stream *sp = find_stream(path);
if (!sp) {
free(fh);
return -ENOMEM;
}
fh->sp = sp;
drop_privilege();
rc = ((fh->fd = open(p, flags, mode)) < 0) ? -errno : 0;
regain_privilege();
if (!rc)
fi->fh = (uint64_t) fh;
else {
put_stream(sp);
free(fh);
}
return rc;
}
void CDVDInputStreamBluray::GetStreamInfo(int pid, char* language)
{
if(m_title->clip_count == 0)
return;
BLURAY_CLIP_INFO *clip = m_title->clips;
if(find_stream(pid, clip->audio_streams, clip->audio_stream_count, language))
return;
if(find_stream(pid, clip->video_streams, clip->video_stream_count, language))
return;
if(find_stream(pid, clip->pg_streams, clip->pg_stream_count, language))
return;
if(find_stream(pid, clip->ig_streams, clip->ig_stream_count, language))
return;
}
int stream_opendir(const char *path, struct fuse_file_info *fi)
{
int rc = 0;
char *p = fixpath(path);
struct fh *fh = malloc(sizeof (struct fh));
if (!fh)
return -ENOMEM;
struct stream *sp = find_stream(path);
if (!sp) {
free(fh);
return -ENOMEM;
}
fh->sp = sp;
drop_privilege();
rc = ((fh->fd = open(p, O_RDWR, 0)) < 0) ? -errno : 0;
if (rc)
rc = ((fh->fd = open(p, O_RDONLY, 0)) < 0) ? -errno : 0;
if (!rc)
rc = ((fh->dirp = fdopendir(fh->fd)) == NULL) ? -errno : -0;
regain_privilege();
if (!rc) {
fi->fh = (uint64_t) fh;
} else {
if (fh->fd >= 0)
close(fh->fd);
put_stream(sp);
free(fh);
}
return rc;
}
int find_stream(struct flow_struct *flow_table, int curr, int *str_inx) {
struct adj_struct *aptr;
int i, inx, fnd;
fnd = 0;
aptr = flow_table[curr].adj_list;
/* check to see if we are at the edge of the pit, find min elevation of */
/* apixel draining from the pit */
if (flow_table[curr].land != 1) {
i = 1;
while ((i <= flow_table[curr].num_adjacent) && (fnd == 0)) {
inx = aptr->inx;
if (aptr->landtype != STREAM)
fnd = (int) find_stream(flow_table, inx, str_inx);
aptr = aptr->next;
i += 1;
} /* end first pass */
} /* end if */
else {
fnd = 1;
*str_inx = curr;
}
return (fnd);
} /* end find_stream */
void process_tcp_packet(struct packet * pkt) {
struct stream * s;
/* does a stream already exist? */
if ((s = find_stream(pkt->ip_header->ip_src,pkt->tcp_header->th_sport,pkt->ip_header->ip_dst,pkt->tcp_header->th_dport))==NULL) {
/* no -> create one */
s = create_stream(pkt->ip_header->ip_src,pkt->tcp_header->th_sport,pkt->ip_header->ip_dst,pkt->tcp_header->th_dport);
/* set a module for the newly created stream */
set_tcp_module(s,find_tcp_module(pkt->ip_header->ip_src,pkt->tcp_header->th_sport,pkt->ip_header->ip_dst,pkt->tcp_header->th_dport));
}
if (!stream_evaluated(s)) {
stream_add_packet(s,pkt);
if (stream_client_closed(s) && stream_server_closed(s)) {
stream_set_bad(s);
} else {
stream_try_evaluate(s);
}
if (stream_evaluated(s)) {
stream_output_all(s);
}
} else {
do_output_packet(s,pkt);
}
remove_old_streams();
}
TEST_F(IOTest, FindStream) {
Stream *stream;
NamedFile file = {"/dev/fs/data", 0, NULL, NULL, NULL};
find_file_fake.return_val = &file;
stream = myFopen("/dev/uart/uart2");
EXPECT_EQ(stream, find_stream(stream->stream_id));
stream = myFopen("/dev/led/orange");
EXPECT_EQ(stream, find_stream(stream->stream_id));
stream = myFopen("/dev/button/sw1");
EXPECT_EQ(stream, find_stream(stream->stream_id));
stream = myFopen("/dev/fs/data");
EXPECT_EQ(stream, find_stream(stream->stream_id));
}
OpenSLPCMAudioStream* OpenSLAudioEngine::GetPCMStream(int freq,int channels,int bits) {
SLDataFormat_PCM formatPCM = {0};
formatPCM.formatType = SL_DATAFORMAT_PCM;
formatPCM.numChannels = channels;
formatPCM.samplesPerSec = freq*1000;
formatPCM.bitsPerSample = bits ;//header.bitsPerSample;
formatPCM.containerSize = bits;// header.fmtSize;
formatPCM.channelMask = channels == 2 ? (SL_SPEAKER_FRONT_LEFT|SL_SPEAKER_FRONT_RIGHT) : SL_SPEAKER_FRONT_CENTER;
formatPCM.endianness = SL_BYTEORDER_LITTLEENDIAN;
return find_stream(formatPCM);
}
static int read_page(demuxer_priv_tt * ogg, int * stream) {
ogg_stream_tt * os;
int i, serial, segments;
char tmp_header[27];
uint8_t sizes[256];
int len, tot = 0;
FREAD(ogg->in, 27, tmp_header);
if (strncmp(tmp_header, "OggS", 5)) return err_bad_oggs_magic; // including version
serial = (tmp_header[14] << 24) |
(tmp_header[15] << 16) |
(tmp_header[16] << 8) |
(tmp_header[17] );
*stream = find_stream(ogg, serial);
os = &ogg->os[*stream];
segments = tmp_header[26];
FREAD(ogg->in, segments, sizes);
len = os->leftover;
for (i = 0; i < segments; i++) {
len += sizes[i];
if (sizes[i] != 255) {
packet_tt p;
p.buf = malloc(len);
p.p.len = len;
p.p.stream = *stream;
p.p.flags = p.p.pts = p.p.next_pts = 0; // Ogg sucks
memcpy(p.buf, os->leftover_buf, os->leftover);
FREAD(ogg->in, len - os->leftover, p.buf + os->leftover);
push_packet(&ogg->s[*stream], &p);
tot++;
len = 0;
os->leftover = 0;
}
}
if (len) {
os->leftover_buf = realloc(os->leftover_buf, len);
FREAD(ogg->in, len - os->leftover, os->leftover_buf + os->leftover);
os->leftover = len;
}
if (!tot) return read_page(ogg, stream); // this page gave nothing, move on to next page
return 0;
}
int DirectorConference::add_sink(int sid, Sink *s, KVS ¶ms)
{
//
if (sid == -1) {
if (s->payload_type() == 100) {
ms_filter_call_method(video_publisher_, ZONEKEY_METHOD_PUBLISHER_ADD_REMOTE, s->get_rtp_session());
}
else if (s->payload_type() == 102) {
ms_filter_call_method(audio_publisher_, ZONEKEY_METHOD_PUBLISHER_ADD_REMOTE, s->get_rtp_session());
}
else if (s->payload_type() == 110) {
ms_filter_call_method(audio_publisher_, ZONEKEY_METHOD_PUBLISHER_ADD_REMOTE, s->get_rtp_session());
}
return 0;
}
else if (is_source_id(sid)) {
assert(find_source(sid) != 0);
Graph *g = find_graph(sid);
if (!g) {
// 没有找到对应的 source
return -1;
}
g->add_sink(s);
return 0;
}
else {
// 说明对 Stream 的点播
Stream *stream = find_stream(sid);
if (!stream || !stream->support_publisher()) {
// 没有找到或者不支持 publisher
return -1;
}
else {
stream->add_sink(s);
return 0;
}
}
}
void
process_tcp(u_char * data, int skblen)
{
struct ip *this_iphdr = (struct ip *)data;
struct tcphdr *this_tcphdr = (struct tcphdr *)(data + 4 * this_iphdr->ip_hl);
int datalen, iplen;
int from_client = 1;
unsigned int tmp_ts;
struct tcp_stream *a_tcp;
struct half_stream *snd, *rcv;
ugly_iphdr = this_iphdr;
iplen = ntohs(this_iphdr->ip_len);
if ((unsigned)iplen < 4 * this_iphdr->ip_hl + sizeof(struct tcphdr)) {
nids_params.syslog(NIDS_WARN_TCP, NIDS_WARN_TCP_HDR, this_iphdr,
this_tcphdr);
return;
} // ktos sie bawi
datalen = iplen - 4 * this_iphdr->ip_hl - 4 * this_tcphdr->th_off;
if (datalen < 0) {
nids_params.syslog(NIDS_WARN_TCP, NIDS_WARN_TCP_HDR, this_iphdr,
this_tcphdr);
return;
} // ktos sie bawi
if ((this_iphdr->ip_src.s_addr | this_iphdr->ip_dst.s_addr) == 0) {
nids_params.syslog(NIDS_WARN_TCP, NIDS_WARN_TCP_HDR, this_iphdr,
this_tcphdr);
return;
}
if (!(this_tcphdr->th_flags & TH_ACK))
detect_scan(this_iphdr);
if (!nids_params.n_tcp_streams) return;
/*FIXME: remove the tcp header check function tempor..*/
#ifdef OSPLIT
#ifdef CHECK_TCPHDR_DISABLED
#if 0
if (my_tcp_check(this_tcphdr, iplen - 4 * this_iphdr->ip_hl,
this_iphdr->ip_src.s_addr, this_iphdr->ip_dst.s_addr)) {
nids_params.syslog(NIDS_WARN_TCP, NIDS_WARN_TCP_HDR, this_iphdr,
this_tcphdr);
return;
}
#endif
#else
if (my_tcp_check(this_tcphdr, iplen - 4 * this_iphdr->ip_hl,
this_iphdr->ip_src.s_addr, this_iphdr->ip_dst.s_addr)) {
nids_params.syslog(NIDS_WARN_TCP, NIDS_WARN_TCP_HDR, this_iphdr,
this_tcphdr);
return;
}
#endif
#endif
#if 0
check_flags(this_iphdr, this_tcphdr);
//ECN
#endif
if (!(a_tcp = find_stream(this_tcphdr, this_iphdr, &from_client))) {
if ((this_tcphdr->th_flags & TH_SYN) &&
!(this_tcphdr->th_flags & TH_ACK) &&
!(this_tcphdr->th_flags & TH_RST))
add_new_tcp(this_tcphdr, this_iphdr);
return;
}
#ifdef OSPLIT
struct ipfrag *frag_tag=this_fragments;
struct ipfrag *ip_frag_next;
if(this_fragments)
ip_frag_next=this_fragments->next;
/*write all fragment(s) to fp trace file*/
if(is_frag==0) {
write_pcap_hdr(a_tcp->fp,(char*)nids_last_pcap_header,sizeof(struct pcap_sf_pkthdr));
write_ip(a_tcp->fp,(char*)this_iphdr,ntohs(this_iphdr->ip_len),(char*)nids_last_pcap_header);
}
else {
/*fragments*/
while(frag_tag!=NULL) {
write_pcap_hdr(a_tcp->fp,(char*)(&(frag_tag->pcap_header)),sizeof(struct pcap_sf_pkthdr));
write_ip(a_tcp->fp,(char*)frag_tag->skb->data,frag_tag->wtrace_len,(char*)(&(frag_tag->pcap_header)));
free(frag_tag);
frag_tag=ip_frag_next;
if(ip_frag_next!=NULL)
ip_frag_next=ip_frag_next->next;
}
is_frag=0;
}
/*set statistic info*/
store_flag=1;
#endif
if (from_client) {
snd = &a_tcp->client;
rcv = &a_tcp->server;
}
else {
rcv = &a_tcp->client;
snd = &a_tcp->server;
}
if ((this_tcphdr->th_flags & TH_SYN)) {
if (from_client || a_tcp->client.state != TCP_SYN_SENT ||
a_tcp->server.state != TCP_CLOSE || !(this_tcphdr->th_flags & TH_ACK))
return;
if (a_tcp->client.seq != ntohl(this_tcphdr->th_ack))
return;
a_tcp->server.state = TCP_SYN_RECV;
a_tcp->server.seq = ntohl(this_tcphdr->th_seq) + 1;
a_tcp->server.first_data_seq = a_tcp->server.seq;
a_tcp->server.ack_seq = ntohl(this_tcphdr->th_ack);
a_tcp->server.window = ntohs(this_tcphdr->th_win);
if (a_tcp->client.ts_on) {
a_tcp->server.ts_on = get_ts(this_tcphdr, &a_tcp->server.curr_ts);
if (!a_tcp->server.ts_on)
a_tcp->client.ts_on = 0;
} else a_tcp->server.ts_on = 0;
if (a_tcp->client.wscale_on) {
a_tcp->server.wscale_on = get_wscale(this_tcphdr, &a_tcp->server.wscale);
if (!a_tcp->server.wscale_on) {
a_tcp->client.wscale_on = 0;
a_tcp->client.wscale = 1;
a_tcp->server.wscale = 1;
}
} else {
a_tcp->server.wscale_on = 0;
a_tcp->server.wscale = 1;
}
return;
}
if (
! ( !datalen && ntohl(this_tcphdr->th_seq) == rcv->ack_seq )
&&
( !before(ntohl(this_tcphdr->th_seq), rcv->ack_seq + rcv->window*rcv->wscale) ||
before(ntohl(this_tcphdr->th_seq) + datalen, rcv->ack_seq)
)
)
return;
if ((this_tcphdr->th_flags & TH_RST)) {
if (a_tcp->nids_state == NIDS_DATA) {
struct lurker_node *i;
a_tcp->nids_state = NIDS_RESET;
for (i = a_tcp->listeners; i; i = i->next)
(i->item) (a_tcp, &i->data);
}
nids_free_tcp_stream(a_tcp);
return;
}
/* PAWS check */
if (rcv->ts_on && get_ts(this_tcphdr, &tmp_ts) &&
before(tmp_ts, snd->curr_ts))
return;
if ((this_tcphdr->th_flags & TH_ACK)) {
if (from_client && a_tcp->client.state == TCP_SYN_SENT &&
a_tcp->server.state == TCP_SYN_RECV) {
if (ntohl(this_tcphdr->th_ack) == a_tcp->server.seq) {
a_tcp->client.state = TCP_ESTABLISHED;
a_tcp->client.ack_seq = ntohl(this_tcphdr->th_ack);
{
struct proc_node *i;
struct lurker_node *j;
void *data;
a_tcp->server.state = TCP_ESTABLISHED;
a_tcp->nids_state = NIDS_JUST_EST;
for (i = tcp_procs; i; i = i->next) {
char whatto = 0;
char cc = a_tcp->client.collect;
char sc = a_tcp->server.collect;
char ccu = a_tcp->client.collect_urg;
char scu = a_tcp->server.collect_urg;
(i->item) (a_tcp, &data);
if (cc < a_tcp->client.collect)
whatto |= COLLECT_cc;
if (ccu < a_tcp->client.collect_urg)
whatto |= COLLECT_ccu;
if (sc < a_tcp->server.collect)
whatto |= COLLECT_sc;
if (scu < a_tcp->server.collect_urg)
whatto |= COLLECT_scu;
if (nids_params.one_loop_less) {
if (a_tcp->client.collect >=2) {
a_tcp->client.collect=cc;
whatto&=~COLLECT_cc;
}
if (a_tcp->server.collect >=2 ) {
a_tcp->server.collect=sc;
whatto&=~COLLECT_sc;
}
}
if (whatto) {
j = mknew(struct lurker_node);
j->item = i->item;
j->data = data;
j->whatto = whatto;
j->next = a_tcp->listeners;
a_tcp->listeners = j;
}
}
#ifdef OSPLIT
#if 0
if (!a_tcp->listeners) {
nids_free_tcp_stream(a_tcp);
return;
}
#endif
#endif
a_tcp->nids_state = NIDS_DATA;
}
}
// return;
}
}
void process_tcp(u_char * data, int skblen)
{
// printf("into process_tcp\n");
struct ip *this_iphdr = (struct ip *)data;
struct tcphdr *this_tcphdr = (struct tcphdr *)(data + 4 * this_iphdr->ip_hl);
int datalen, iplen;
int from_client = 1;
unsigned int tmp_ts;
struct tcp_stream *a_tcp;
struct half_stream *snd, *rcv;
ugly_iphdr = this_iphdr;
iplen = ntohs(this_iphdr->ip_len);
if ((unsigned)iplen < 4 * this_iphdr->ip_hl + sizeof(struct tcphdr)) {
nids_params.syslog(NIDS_WARN_TCP, NIDS_WARN_TCP_HDR, this_iphdr,
this_tcphdr);
return;
} // ktos sie bawi
datalen = iplen - 4 * this_iphdr->ip_hl - 4 * this_tcphdr->th_off;
if (datalen < 0) {
nids_params.syslog(NIDS_WARN_TCP, NIDS_WARN_TCP_HDR, this_iphdr,
this_tcphdr);
return;
} // ktos sie bawi
if ((this_iphdr->ip_src.s_addr | this_iphdr->ip_dst.s_addr) == 0) {
nids_params.syslog(NIDS_WARN_TCP, NIDS_WARN_TCP_HDR, this_iphdr,
this_tcphdr);
return;
}
/*
if (!(this_tcphdr->th_flags & TH_ACK))
detect_scan(this_iphdr);
*/
if (!nids_params.n_tcp_streams) return;
if (my_tcp_check(this_tcphdr, iplen - 4 * this_iphdr->ip_hl,
this_iphdr->ip_src.s_addr, this_iphdr->ip_dst.s_addr)) {
nids_params.syslog(NIDS_WARN_TCP, NIDS_WARN_TCP_HDR, this_iphdr,
this_tcphdr);
//return;
}
#if 0
check_flags(this_iphdr, this_tcphdr);
//ECN
#endif
if (!(a_tcp = find_stream(this_tcphdr, this_iphdr, &from_client))) {
if ((this_tcphdr->th_flags & TH_SYN) &&
!(this_tcphdr->th_flags & TH_ACK) &&
!(this_tcphdr->th_flags & TH_RST))
add_new_tcp(this_tcphdr, this_iphdr);
// printf("add new\n");
return;
}
// printf("tcp exist\n");
if (from_client) {
snd = &a_tcp->client;
rcv = &a_tcp->server;
}
else {
rcv = &a_tcp->client;
snd = &a_tcp->server;
}
if ((this_tcphdr->th_flags & TH_SYN)) {
if (from_client || a_tcp->client.state != TCP_SYN_SENT ||
a_tcp->server.state != TCP_CLOSE || !(this_tcphdr->th_flags & TH_ACK))
return;
if (a_tcp->client.seq != ntohl(this_tcphdr->th_ack))
return;
a_tcp->server.state = TCP_SYN_RECV;
a_tcp->server.seq = ntohl(this_tcphdr->th_seq) + 1;
a_tcp->server.first_data_seq = a_tcp->server.seq;
a_tcp->server.ack_seq = ntohl(this_tcphdr->th_ack);
a_tcp->server.window = ntohs(this_tcphdr->th_win);
if (a_tcp->client.ts_on) {
a_tcp->server.ts_on = get_ts(this_tcphdr, &a_tcp->server.curr_ts);
if (!a_tcp->server.ts_on)
a_tcp->client.ts_on = 0;
} else a_tcp->server.ts_on = 0;
if (a_tcp->client.wscale_on) {
a_tcp->server.wscale_on = get_wscale(this_tcphdr, &a_tcp->server.wscale);
if (!a_tcp->server.wscale_on) {
a_tcp->client.wscale_on = 0;
a_tcp->client.wscale = 1;
a_tcp->server.wscale = 1;
}
} else {
a_tcp->server.wscale_on = 0;
a_tcp->server.wscale = 1;
}
return;
}
if (
! ( !datalen && ntohl(this_tcphdr->th_seq) == rcv->ack_seq )
&&
( !before(ntohl(this_tcphdr->th_seq), rcv->ack_seq + rcv->window*rcv->wscale) ||
before(ntohl(this_tcphdr->th_seq) + datalen, rcv->ack_seq)
)
)
return;
if ((this_tcphdr->th_flags & TH_RST)) {
if (a_tcp->nids_state == NIDS_DATA) {
struct lurker_node *i;
a_tcp->nids_state = NIDS_RESET;
for (i = a_tcp->listeners; i; i = i->next)
(i->item) (a_tcp, &i->data);
}
free_tcp(a_tcp);
return;
}
/* PAWS check */
if (rcv->ts_on && get_ts(this_tcphdr, &tmp_ts) &&
before(tmp_ts, snd->curr_ts))
return;
if ((this_tcphdr->th_flags & TH_ACK)) {
if (from_client && a_tcp->client.state == TCP_SYN_SENT &&
a_tcp->server.state == TCP_SYN_RECV) {
if (ntohl(this_tcphdr->th_ack) == a_tcp->server.seq) {
a_tcp->client.state = TCP_ESTABLISHED;
a_tcp->client.ack_seq = ntohl(this_tcphdr->th_ack);
{
struct proc_node *i;
struct lurker_node *j;
void *data;
a_tcp->server.state = TCP_ESTABLISHED;
a_tcp->nids_state = NIDS_JUST_EST;
for (i = tcp_procs; i; i = i->next) {
char whatto = 0;
char cc = a_tcp->client.collect;
char sc = a_tcp->server.collect;
char ccu = a_tcp->client.collect_urg;
char scu = a_tcp->server.collect_urg;
(i->item) (a_tcp, &data);
if (cc < a_tcp->client.collect)
whatto |= COLLECT_cc;
if (ccu < a_tcp->client.collect_urg)
whatto |= COLLECT_ccu;
if (sc < a_tcp->server.collect)
whatto |= COLLECT_sc;
if (scu < a_tcp->server.collect_urg)
whatto |= COLLECT_scu;
if (nids_params.one_loop_less) {
if (a_tcp->client.collect >=2) {
a_tcp->client.collect=cc;
whatto&=~COLLECT_cc;
}
if (a_tcp->server.collect >=2 ) {
a_tcp->server.collect=sc;
whatto&=~COLLECT_sc;
}
}
if (whatto) {
j = mknew(struct lurker_node);
j->item = i->item;
j->data = data;
j->whatto = whatto;
j->next = a_tcp->listeners;
a_tcp->listeners = j;
}
}
if (!a_tcp->listeners) {
free_tcp(a_tcp);
return;
}
a_tcp->nids_state = NIDS_DATA;
}
}
// return;
}
}
int
main(int argc, char **argv)
{
AVFormatContext *afc;
AVStream *st;
AVPacket pk;
struct frame_format frame_fmt = { 0 };
const struct pixconv *pixconv = NULL;
const struct memman *memman = NULL;
const struct codec *codec = NULL;
struct frame_format dp;
int bufsize = BUFFER_SIZE;
pthread_t dispt;
unsigned flags = OFBP_DOUBLE_BUF;
char *test_param = NULL;
char *dispdrv = NULL;
char *timer_drv = NULL;
char *memman_drv = NULL;
char *pixconv_drv = NULL;
char *codec_drv = NULL;
int opt;
int ret = 0;
#define error(n) do { ret = n; goto out; } while (0)
while ((opt = getopt(argc, argv, "b:d:fFM:P:st:T:v:")) != -1) {
switch (opt) {
case 'b':
bufsize = strtol(optarg, NULL, 0) * 1048576;
break;
case 'd':
dispdrv = optarg;
break;
case 'F':
noaspect = 1;
case 'f':
flags |= OFBP_FULLSCREEN;
break;
case 'M':
memman_drv = optarg;
break;
case 'P':
pixconv_drv = optarg;
break;
case 's':
flags &= ~OFBP_DOUBLE_BUF;
break;
case 't':
test_param = optarg;
break;
case 'T':
timer_drv = optarg;
break;
case 'v':
codec_drv = optarg;
break;
}
}
argc -= optind;
argv += optind;
if (test_param)
return speed_test(dispdrv, memman_drv, pixconv_drv, test_param, flags);
if (argc < 1)
return 1;
av_register_all();
avcodec_register_all();
afc = open_file(argv[0]);
st = find_stream(afc);
if (!st) {
fprintf(stderr, "No video streams found.\n");
exit(1);
}
codec = find_driver(codec_drv, NULL, ofbp_codec_start);
if (!codec) {
fprintf(stderr, "Decoder '%s' not found\n", codec_drv);
error(1);
}
if (codec->open(NULL, st->codec, &frame_fmt)) {
fprintf(stderr, "Error opening decoder\n");
error(1);
}
if (!frame_fmt.width) {
fprintf(stderr, "Decoder error: frame size not specified\n");
error(1);
}
dp.pixfmt = frame_fmt.pixfmt;
display = display_open(dispdrv, &dp, &frame_fmt);
if (!display)
error(1);
set_scale(&dp, &frame_fmt, flags);
if (display->memman) {
if (dp.pixfmt == frame_fmt.pixfmt) {
memman = display->memman;
} else if (display->flags & OFBP_PRIV_MEM) {
fprintf(stderr, "Decoder/display pixel format mismatch\n");
error(1);
}
}
if (!memman)
memman = find_driver(memman_drv, NULL, ofbp_memman_start);
if (!memman)
error(1);
if ((codec->flags & OFBP_PHYS_MEM) && !(memman->flags & OFBP_PHYS_MEM)) {
fprintf(stderr, "Incompatible decoder/memman\n");
error(1);
}
if (memman->alloc_frames(&frame_fmt, bufsize, &frames, &num_frames))
error(1);
if (memman != display->memman) {
pixconv = pixconv_open(pixconv_drv, &frame_fmt, &dp);
if (!pixconv)
error(1);
if ((pixconv->flags & OFBP_PHYS_MEM) &&
!(memman->flags & display->flags & OFBP_PHYS_MEM)) {
fprintf(stderr, "Incompatible display/memman/pixconv\n");
error(1);
}
}
timer = timer_open(timer_drv);
if (!timer)
error(1);
init_frames(&frame_fmt);
if (display->enable(&frame_fmt, flags, pixconv, &dp))
error(1);
pthread_mutex_init(&disp_lock, NULL);
sem_init(&disp_sem, 0, 0);
signal(SIGINT, sigint);
pthread_create(&dispt, NULL, disp_thread, st);
while (!stop && !av_read_frame(afc, &pk)) {
if (pk.stream_index == st->index)
if (codec->decode(&pk))
stop = 1;
av_free_packet(&pk);
}
if (!stop) {
sem_post(&disp_sem);
while (disp_tail != -1)
usleep(100000);
}
stop = 1;
sem_post(&disp_sem);
pthread_join(dispt, NULL);
out:
if (afc) av_close_input_file(afc);
if (codec) codec->close();
if (timer) timer->close();
if (memman) memman->free_frames(frames, num_frames);
if (display) display->close();
if (pixconv) pixconv->close();
return ret;
}
int
handle_command(struct cfg *cf, int controlfd, double dtime)
{
int len, argc, i, pidx, asymmetric;
int external, pf, lidx, playcount, weak, tpf;
int fds[2], lport, n;
socklen_t rlen;
char buf[1024 * 8];
char *cp, *call_id, *from_tag, *to_tag, *addr, *port, *cookie;
char *pname, *codecs, *recording_name, *t;
struct rtpp_session *spa, *spb;
char **ap, *argv[10];
const char *rname, *errmsg;
struct sockaddr *ia[2], *lia[2];
struct sockaddr_storage raddr;
int requested_nsamples;
enum {DELETE, RECORD, PLAY, NOPLAY, COPY, UPDATE, LOOKUP, QUERY} op;
int max_argc;
char *socket_name_u, *notify_tag;
struct sockaddr *local_addr;
char c;
requested_nsamples = -1;
ia[0] = ia[1] = NULL;
spa = spb = NULL;
lia[0] = lia[1] = cf->bindaddr[0];
lidx = 1;
fds[0] = fds[1] = -1;
recording_name = NULL;
socket_name_u = notify_tag = NULL;
local_addr = NULL;
codecs = NULL;
if (cf->umode == 0) {
for (;;) {
len = read(controlfd, buf, sizeof(buf) - 1);
if (len != -1 || (errno != EAGAIN && errno != EINTR))
break;
sched_yield();
}
} else {
rlen = sizeof(raddr);
len = recvfrom(controlfd, buf, sizeof(buf) - 1, 0,
sstosa(&raddr), &rlen);
}
if (len == -1) {
if (errno != EAGAIN && errno != EINTR)
rtpp_log_ewrite(RTPP_LOG_ERR, cf->glog, "can't read from control socket");
return -1;
}
buf[len] = '\0';
rtpp_log_write(RTPP_LOG_DBUG, cf->glog, "received command \"%s\"", buf);
cp = buf;
argc = 0;
memset(argv, 0, sizeof(argv));
for (ap = argv; (*ap = rtpp_strsep(&cp, "\r\n\t ")) != NULL;)
if (**ap != '\0') {
argc++;
if (++ap >= &argv[10])
break;
}
cookie = NULL;
if (argc < 1 || (cf->umode != 0 && argc < 2)) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 0);
return 0;
}
/* Stream communication mode doesn't use cookie */
if (cf->umode != 0) {
cookie = argv[0];
for (i = 1; i < argc; i++)
argv[i - 1] = argv[i];
argc--;
argv[argc] = NULL;
} else {
cookie = NULL;
}
addr = port = NULL;
switch (argv[0][0]) {
case 'u':
case 'U':
/* U[opts] callid remote_ip remote_port from_tag [to_tag] */
op = UPDATE;
rname = "update/create";
break;
case 'l':
case 'L':
op = LOOKUP;
rname = "lookup";
break;
case 'd':
case 'D':
op = DELETE;
rname = "delete";
break;
case 'p':
case 'P':
/*
* P callid pname codecs from_tag to_tag
*
* <codecs> could be either comma-separated list of supported
* payload types or word "session" (without quotes), in which
* case list saved on last session update will be used instead.
*/
op = PLAY;
rname = "play";
playcount = 1;
pname = argv[2];
codecs = argv[3];
break;
case 'r':
case 'R':
op = RECORD;
rname = "record";
break;
case 'c':
case 'C':
op = COPY;
rname = "copy";
break;
case 's':
case 'S':
op = NOPLAY;
rname = "noplay";
break;
case 'v':
case 'V':
if (argv[0][1] == 'F' || argv[0][1] == 'f') {
int i, known;
/*
* Wait for protocol version datestamp and check whether we
* know it.
*/
if (argc != 2 && argc != 3) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 2);
return 0;
}
/*
* Only list 20081224 protocol mod as supported if
* user actually enabled notification with -n
*/
if (strcmp(argv[1], "20081224") == 0 &&
cf->timeout_handler.socket_name == NULL) {
reply_number(cf, controlfd, &raddr, rlen, cookie, 0);
return 0;
}
for (known = i = 0; proto_caps[i].pc_id != NULL; ++i) {
if (!strcmp(argv[1], proto_caps[i].pc_id)) {
known = 1;
break;
}
}
reply_number(cf, controlfd, &raddr, rlen, cookie, known);
return 0;
}
if (argc != 1 && argc != 2) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 2);
return 0;
}
/* This returns base version. */
reply_number(cf, controlfd, &raddr, rlen, cookie, CPROTOVER);
return 0;
case 'i':
case 'I':
if (cookie == NULL)
len = sprintf(buf, "sessions created: %llu\nactive sessions: %d\n"
"active streams: %d\n", cf->sessions_created,
cf->sessions_active, cf->nsessions / 2);
else
len = sprintf(buf, "%s sessions created: %llu\nactive sessions: %d\n"
"active streams: %d\n", cookie, cf->sessions_created,
cf->sessions_active, cf->nsessions / 2);
for (i = 1; i < cf->nsessions; i++) {
char addrs[4][256];
spa = cf->sessions[i];
if (spa == NULL || spa->sidx[0] != i)
continue;
/* RTCP twin session */
if (spa->rtcp == NULL) {
spb = spa->rtp;
buf[len++] = '\t';
} else {
spb = spa->rtcp;
buf[len++] = '\t';
buf[len++] = 'C';
buf[len++] = ' ';
}
addr2char_r(spb->laddr[1], addrs[0], sizeof(addrs[0]));
if (spb->addr[1] == NULL) {
strcpy(addrs[1], "NONE");
} else {
sprintf(addrs[1], "%s:%d", addr2char(spb->addr[1]),
addr2port(spb->addr[1]));
}
addr2char_r(spb->laddr[0], addrs[2], sizeof(addrs[2]));
if (spb->addr[0] == NULL) {
strcpy(addrs[3], "NONE");
} else {
sprintf(addrs[3], "%s:%d", addr2char(spb->addr[0]),
addr2port(spb->addr[0]));
}
len += sprintf(buf + len,
"%s/%s: caller = %s:%d/%s, callee = %s:%d/%s, "
"stats = %lu/%lu/%lu/%lu, ttl = %d/%d\n",
spb->call_id, spb->tag, addrs[0], spb->ports[1], addrs[1],
addrs[2], spb->ports[0], addrs[3], spa->pcount[0], spa->pcount[1],
spa->pcount[2], spa->pcount[3], spb->ttl[0], spb->ttl[1]);
if (len + 512 > sizeof(buf)) {
doreply(cf, controlfd, buf, len, &raddr, rlen);
len = 0;
}
}
if (len > 0)
doreply(cf, controlfd, buf, len, &raddr, rlen);;
return 0;
break;
case 'q':
case 'Q':
op = QUERY;
rname = "query";
break;
case 'x':
case 'X':
/* Delete all active sessions */
rtpp_log_write(RTPP_LOG_INFO, cf->glog, "deleting all active sessions");
for (i = 1; i < cf->nsessions; i++) {
spa = cf->sessions[i];
if (spa == NULL || spa->sidx[0] != i)
continue;
/* Skip RTCP twin session */
if (spa->rtcp != NULL) {
remove_session(cf, spa);
}
}
reply_ok(cf, controlfd, &raddr, rlen, cookie);
return 0;
break;
default:
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "unknown command");
reply_error(cf, controlfd, &raddr, rlen, cookie, 3);
return 0;
}
call_id = argv[1];
if (op == UPDATE || op == LOOKUP || op == PLAY) {
max_argc = (op == UPDATE ? 8 : 6);
if (argc < 5 || argc > max_argc) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 4);
return 0;
}
from_tag = argv[4];
to_tag = argv[5];
if (op == PLAY && argv[0][1] != '\0')
playcount = atoi(argv[0] + 1);
if (op == UPDATE && argc > 6) {
socket_name_u = argv[6];
if (strncmp("unix:", socket_name_u, 5) == 0)
socket_name_u += 5;
if (argc == 8) {
notify_tag = argv[7];
len = url_unquote((uint8_t *)notify_tag, strlen(notify_tag));
if (len == -1) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog,
"command syntax error - invalid URL encoding");
reply_error(cf, controlfd, &raddr, rlen, cookie, 4);
return 0;
}
notify_tag[len] = '\0';
}
}
}
if (op == COPY) {
if (argc < 4 || argc > 5) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
recording_name = argv[2];
from_tag = argv[3];
to_tag = argv[4];
}
if (op == DELETE || op == RECORD || op == NOPLAY || op == QUERY) {
if (argc < 3 || argc > 4) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
from_tag = argv[2];
to_tag = argv[3];
}
if (op == DELETE || op == RECORD || op == COPY || op == NOPLAY) {
/* D, R and S commands don't take any modifiers */
if (argv[0][1] != '\0') {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
}
if (op == UPDATE || op == LOOKUP || op == DELETE) {
addr = argv[2];
port = argv[3];
/* Process additional command modifiers */
external = 1;
/* In bridge mode all clients are assumed to be asymmetric */
asymmetric = (cf->bmode != 0) ? 1 : 0;
pf = AF_INET;
weak = 0;
for (cp = argv[0] + 1; *cp != '\0'; cp++) {
switch (*cp) {
case 'a':
case 'A':
asymmetric = 1;
break;
case 'e':
case 'E':
if (lidx < 0) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
lia[lidx] = cf->bindaddr[1];
lidx--;
break;
case 'i':
case 'I':
if (lidx < 0) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
lia[lidx] = cf->bindaddr[0];
lidx--;
break;
case '6':
pf = AF_INET6;
break;
case 's':
case 'S':
asymmetric = 0;
break;
case 'w':
case 'W':
weak = 1;
break;
case 'z':
case 'Z':
requested_nsamples = (strtol(cp + 1, &cp, 10) / 10) * 80;
if (requested_nsamples <= 0) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
cp--;
break;
case 'c':
case 'C':
cp += 1;
for (t = cp; *cp != '\0'; cp++) {
if (!isdigit(*cp) && *cp != ',')
break;
}
if (t == cp) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
codecs = alloca(cp - t + 1);
memcpy(codecs, t, cp - t);
codecs[cp - t] = '\0';
cp--;
break;
case 'l':
case 'L':
len = extractaddr(cp + 1, &t, &cp, &tpf);
if (len == -1) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
c = t[len];
t[len] = '\0';
local_addr = host2bindaddr(cf, t, tpf, &errmsg);
if (local_addr == NULL) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog,
"invalid local address: %s: %s", t, errmsg);
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
t[len] = c;
cp--;
break;
case 'r':
case 'R':
len = extractaddr(cp + 1, &t, &cp, &tpf);
if (len == -1) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "command syntax error");
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
c = t[len];
t[len] = '\0';
local_addr = alloca(sizeof(struct sockaddr_storage));
n = resolve(local_addr, tpf, t, SERVICE, AI_PASSIVE);
if (n != 0) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog,
"invalid remote address: %s: %s", t, gai_strerror(n));
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
if (local4remote(cf, local_addr, satoss(local_addr)) == -1) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog,
"can't find local address for remote address: %s", t);
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
local_addr = addr2bindaddr(cf, local_addr, &errmsg);
if (local_addr == NULL) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog,
"invalid local address: %s", errmsg);
reply_error(cf, controlfd, &raddr, rlen, cookie, 1);
return 0;
}
t[len] = c;
cp--;
break;
default:
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "unknown command modifier `%c'",
*cp);
break;
}
}
if (op != DELETE && addr != NULL && port != NULL && strlen(addr) >= 7) {
struct sockaddr_storage tia;
if ((n = resolve(sstosa(&tia), pf, addr, port,
AI_NUMERICHOST)) == 0) {
if (!ishostnull(sstosa(&tia))) {
for (i = 0; i < 2; i++) {
ia[i] = malloc(SS_LEN(&tia));
if (ia[i] == NULL) {
handle_nomem(cf, controlfd, &raddr, rlen, cookie,
5, ia, fds, spa, spb);
return 0;
}
memcpy(ia[i], &tia, SS_LEN(&tia));
}
/* Set port for RTCP, will work both for IPv4 and IPv6 */
n = ntohs(satosin(ia[1])->sin_port);
satosin(ia[1])->sin_port = htons(n + 1);
}
} else {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "getaddrinfo: %s",
gai_strerror(n));
}
}
}
/*
* Record and delete need special handling since they apply to all
* streams in the session.
*/
switch (op) {
case DELETE:
i = handle_delete(cf, call_id, from_tag, to_tag, weak);
break;
case RECORD:
i = handle_record(cf, call_id, from_tag, to_tag);
break;
default:
i = find_stream(cf, call_id, from_tag, to_tag, &spa);
if (i != -1 && op != UPDATE)
i = NOT(i);
break;
}
if (i == -1 && op != UPDATE) {
rtpp_log_write(RTPP_LOG_INFO, cf->glog,
"%s request failed: session %s, tags %s/%s not found", rname,
call_id, from_tag, to_tag != NULL ? to_tag : "NONE");
if (op == LOOKUP) {
for (i = 0; i < 2; i++)
if (ia[i] != NULL)
free(ia[i]);
reply_port(cf, controlfd, &raddr, rlen, cookie, 0, lia);
return 0;
}
reply_error(cf, controlfd, &raddr, rlen, cookie, 8);
return 0;
}
switch (op) {
case DELETE:
case RECORD:
reply_ok(cf, controlfd, &raddr, rlen, cookie);
return 0;
case NOPLAY:
handle_noplay(cf, spa, i);
reply_ok(cf, controlfd, &raddr, rlen, cookie);
return 0;
case PLAY:
handle_noplay(cf, spa, i);
if (strcmp(codecs, "session") == 0) {
if (spa->codecs[i] == NULL) {
reply_error(cf, controlfd, &raddr, rlen, cookie, 6);
return 0;
}
codecs = spa->codecs[i];
}
if (playcount != 0 && handle_play(cf, spa, i, codecs, pname, playcount) != 0) {
reply_error(cf, controlfd, &raddr, rlen, cookie, 6);
return 0;
}
reply_ok(cf, controlfd, &raddr, rlen, cookie);
return 0;
case COPY:
handle_copy(cf, spa, i, recording_name);
reply_ok(cf, controlfd, &raddr, rlen, cookie);
return 0;
case QUERY:
handle_query(cf, controlfd, &raddr, rlen, cookie, spa, i);
return 0;
case LOOKUP:
case UPDATE:
/* those are handled below */
break;
default:
/* Programmatic error, should not happen */
abort();
}
pidx = 1;
lport = 0;
if (i != -1) {
assert(op == UPDATE || op == LOOKUP);
if (spa->fds[i] == -1) {
if (local_addr != NULL) {
spa->laddr[i] = local_addr;
}
if (create_listener(cf, spa->laddr[i], &lport, fds) == -1) {
rtpp_log_write(RTPP_LOG_ERR, spa->log, "can't create listener");
reply_error(cf, controlfd, &raddr, rlen, cookie, 7);
return 0;
}
assert(spa->fds[i] == -1);
spa->fds[i] = fds[0];
assert(spa->rtcp->fds[i] == -1);
spa->rtcp->fds[i] = fds[1];
spa->ports[i] = lport;
spa->rtcp->ports[i] = lport + 1;
spa->complete = spa->rtcp->complete = 1;
append_session(cf, spa, i);
append_session(cf, spa->rtcp, i);
}
if (weak)
spa->weak[i] = 1;
else if (op == UPDATE)
spa->strong = 1;
lport = spa->ports[i];
lia[0] = spa->laddr[i];
pidx = (i == 0) ? 1 : 0;
spa->ttl_mode = cf->ttl_mode;
spa->ttl[0] = cf->max_ttl;
spa->ttl[1] = cf->max_ttl;
if (op == UPDATE) {
rtpp_log_write(RTPP_LOG_INFO, spa->log,
"adding %s flag to existing session, new=%d/%d/%d",
weak ? ( i ? "weak[1]" : "weak[0]" ) : "strong",
spa->strong, spa->weak[0], spa->weak[1]);
}
rtpp_log_write(RTPP_LOG_INFO, spa->log,
"lookup on ports %d/%d, session timer restarted", spa->ports[0],
spa->ports[1]);
} else {
assert(op == UPDATE);
rtpp_log_write(RTPP_LOG_INFO, cf->glog,
"new session %s, tag %s requested, type %s",
call_id, from_tag, weak ? "weak" : "strong");
if (local_addr != NULL) {
lia[0] = lia[1] = local_addr;
if (lia[0] == NULL) {
rtpp_log_write(RTPP_LOG_ERR, spa->log,
"can't create listener: %s", t);
reply_error(cf, controlfd, &raddr, rlen, cookie, 10);
return 0;
}
}
if (create_listener(cf, lia[0], &lport, fds) == -1) {
rtpp_log_write(RTPP_LOG_ERR, cf->glog, "can't create listener");
reply_error(cf, controlfd, &raddr, rlen, cookie, 10);
return 0;
}
/*
* Session creation. If creation is requested with weak flag,
* set weak[0].
*/
spa = malloc(sizeof(*spa));
if (spa == NULL) {
handle_nomem(cf, controlfd, &raddr, rlen, cookie, 11, ia,
fds, spa, spb);
return 0;
}
/* spb is RTCP twin session for this one. */
spb = malloc(sizeof(*spb));
if (spb == NULL) {
handle_nomem(cf, controlfd, &raddr, rlen, cookie, 12, ia,
fds, spa, spb);
return 0;
}
memset(spa, 0, sizeof(*spa));
memset(spb, 0, sizeof(*spb));
for (i = 0; i < 2; i++) {
spa->fds[i] = spb->fds[i] = -1;
spa->last_update[i] = 0;
spb->last_update[i] = 0;
}
spa->call_id = strdup(call_id);
if (spa->call_id == NULL) {
handle_nomem(cf, controlfd, &raddr, rlen, cookie, 13, ia,
fds, spa, spb);
return 0;
}
spb->call_id = spa->call_id;
spa->tag = strdup(from_tag);
if (spa->tag == NULL) {
handle_nomem(cf, controlfd, &raddr, rlen, cookie, 14, ia,
fds, spa, spb);
return 0;
}
spb->tag = spa->tag;
for (i = 0; i < 2; i++) {
spa->rrcs[i] = NULL;
spb->rrcs[i] = NULL;
spa->laddr[i] = lia[i];
spb->laddr[i] = lia[i];
}
spa->strong = spa->weak[0] = spa->weak[1] = 0;
if (weak)
spa->weak[0] = 1;
else
spa->strong = 1;
assert(spa->fds[0] == -1);
spa->fds[0] = fds[0];
assert(spb->fds[0] == -1);
spb->fds[0] = fds[1];
spa->ports[0] = lport;
spb->ports[0] = lport + 1;
spa->ttl[0] = cf->max_ttl;
spa->ttl[1] = cf->max_ttl;
spb->ttl[0] = -1;
spb->ttl[1] = -1;
spa->log = rtpp_log_open(cf, "rtpproxy", spa->call_id, 0);
spb->log = spa->log;
spa->rtcp = spb;
spb->rtcp = NULL;
spa->rtp = NULL;
spb->rtp = spa;
spa->sridx = spb->sridx = -1;
append_session(cf, spa, 0);
append_session(cf, spa, 1);
append_session(cf, spb, 0);
append_session(cf, spb, 1);
hash_table_append(cf, spa);
cf->sessions_created++;
cf->sessions_active++;
/*
* Each session can consume up to 5 open file descriptors (2 RTP,
* 2 RTCP and 1 logging) so that warn user when he is likely to
* exceed 80% mark on hard limit.
*/
if (cf->sessions_active > (cf->nofile_limit.rlim_max * 80 / (100 * 5)) &&
cf->nofile_limit_warned == 0) {
cf->nofile_limit_warned = 1;
rtpp_log_write(RTPP_LOG_WARN, cf->glog, "passed 80%% "
"threshold on the open file descriptors limit (%d), "
"consider increasing the limit using -L command line "
"option", (int)cf->nofile_limit.rlim_max);
}
rtpp_log_write(RTPP_LOG_INFO, spa->log, "new session on a port %d created, "
"tag %s", lport, from_tag);
if (cf->record_all != 0) {
handle_copy(cf, spa, 0, NULL);
handle_copy(cf, spa, 1, NULL);
}
}
if (op == UPDATE) {
if (cf->timeout_handler.socket_name == NULL && socket_name_u != NULL)
rtpp_log_write(RTPP_LOG_ERR, spa->log, "must permit notification socket with -n");
if (spa->timeout_data.notify_tag != NULL) {
free(spa->timeout_data.notify_tag);
spa->timeout_data.notify_tag = NULL;
}
if (cf->timeout_handler.socket_name != NULL && socket_name_u != NULL) {
if (strcmp(cf->timeout_handler.socket_name, socket_name_u) != 0) {
rtpp_log_write(RTPP_LOG_ERR, spa->log, "invalid socket name %s", socket_name_u);
socket_name_u = NULL;
} else {
rtpp_log_write(RTPP_LOG_INFO, spa->log, "setting timeout handler");
spa->timeout_data.handler = &cf->timeout_handler;
spa->timeout_data.notify_tag = strdup(notify_tag);
}
} else if (socket_name_u == NULL && spa->timeout_data.handler != NULL) {
spa->timeout_data.handler = NULL;
rtpp_log_write(RTPP_LOG_INFO, spa->log, "disabling timeout handler");
}
}
if (ia[0] != NULL && ia[1] != NULL) {
if (spa->addr[pidx] != NULL)
spa->last_update[pidx] = dtime;
if (spa->rtcp->addr[pidx] != NULL)
spa->rtcp->last_update[pidx] = dtime;
/*
* Unless the address provided by client historically
* cannot be trusted and address is different from one
* that we recorded update it.
*/
if (spa->untrusted_addr[pidx] == 0 && !(spa->addr[pidx] != NULL &&
SA_LEN(ia[0]) == SA_LEN(spa->addr[pidx]) &&
memcmp(ia[0], spa->addr[pidx], SA_LEN(ia[0])) == 0)) {
rtpp_log_write(RTPP_LOG_INFO, spa->log, "pre-filling %s's address "
"with %s:%s", (pidx == 0) ? "callee" : "caller", addr, port);
if (spa->addr[pidx] != NULL) {
if (spa->canupdate[pidx] == 0) {
if (spa->prev_addr[pidx] != NULL)
free(spa->prev_addr[pidx]);
spa->prev_addr[pidx] = spa->addr[pidx];
} else {
free(spa->addr[pidx]);
}
}
spa->addr[pidx] = ia[0];
ia[0] = NULL;
}
if (spa->rtcp->untrusted_addr[pidx] == 0 && !(spa->rtcp->addr[pidx] != NULL &&
SA_LEN(ia[1]) == SA_LEN(spa->rtcp->addr[pidx]) &&
memcmp(ia[1], spa->rtcp->addr[pidx], SA_LEN(ia[1])) == 0)) {
if (spa->rtcp->addr[pidx] != NULL) {
if (spa->rtcp->canupdate[pidx] == 0) {
if (spa->rtcp->prev_addr[pidx] != NULL)
free(spa->rtcp->prev_addr[pidx]);
spa->rtcp->prev_addr[pidx] = spa->rtcp->addr[pidx];
} else {
free(spa->rtcp->addr[pidx]);
}
}
spa->rtcp->addr[pidx] = ia[1];
ia[1] = NULL;
}
}
spa->asymmetric[pidx] = spa->rtcp->asymmetric[pidx] = asymmetric;
spa->canupdate[pidx] = spa->rtcp->canupdate[pidx] = NOT(asymmetric);
if (spa->codecs[pidx] != NULL) {
free(spa->codecs[pidx]);
spa->codecs[pidx] = NULL;
}
if (codecs != NULL)
spa->codecs[pidx] = strdup(codecs);
if (requested_nsamples > 0) {
rtpp_log_write(RTPP_LOG_INFO, spa->log, "RTP packets from %s "
"will be resized to %d milliseconds",
(pidx == 0) ? "callee" : "caller", requested_nsamples / 8);
} else if (spa->resizers[pidx].output_nsamples > 0) {
rtpp_log_write(RTPP_LOG_INFO, spa->log, "Resizing of RTP "
"packets from %s has been disabled",
(pidx == 0) ? "callee" : "caller");
}
spa->resizers[pidx].output_nsamples = requested_nsamples;
for (i = 0; i < 2; i++)
if (ia[i] != NULL)
free(ia[i]);
assert(lport != 0);
reply_port(cf, controlfd, &raddr, rlen, cookie, lport, lia);
return 0;
}
Stream& StreamFollower::find_stream(const IPv6Address& client_addr, uint16_t client_port,
const IPv6Address& server_addr, uint16_t server_port) {
stream_id identifier(stream_id::serialize(client_addr), client_port,
stream_id::serialize(server_addr), server_port);
return find_stream(identifier);
}
static GstSDPStream *
gst_sdp_demux_create_stream (GstSDPDemux * demux, GstSDPMessage * sdp, gint idx)
{
GstSDPStream *stream;
const gchar *payload, *rtcp;
const GstSDPMedia *media;
const GstSDPConnection *conn;
/* get media, should not return NULL */
media = gst_sdp_message_get_media (sdp, idx);
if (media == NULL)
return NULL;
stream = g_new0 (GstSDPStream, 1);
stream->parent = demux;
/* we mark the pad as not linked, we will mark it as OK when we add the pad to
* the element. */
stream->last_ret = GST_FLOW_OK;
stream->added = FALSE;
stream->disabled = FALSE;
stream->id = demux->numstreams++;
stream->eos = FALSE;
/* we must have a payload. No payload means we cannot create caps */
/* FIXME, handle multiple formats. */
if ((payload = gst_sdp_media_get_format (media, 0))) {
stream->pt = atoi (payload);
/* convert caps */
stream->caps = gst_sdp_demux_media_to_caps (stream->pt, media);
if (stream->pt >= 96) {
/* If we have a dynamic payload type, see if we have a stream with the
* same payload number. If there is one, they are part of the same
* container and we only need to add one pad. */
if (find_stream (demux, GINT_TO_POINTER (stream->pt),
(gpointer) find_stream_by_pt)) {
stream->container = TRUE;
}
}
}
if (!(conn = gst_sdp_media_get_connection (media, 0))) {
if (!(conn = gst_sdp_message_get_connection (sdp)))
goto no_connection;
}
stream->destination = conn->address;
stream->ttl = conn->ttl;
stream->multicast = is_multicast_address (stream->destination);
stream->rtp_port = gst_sdp_media_get_port (media);
if ((rtcp = gst_sdp_media_get_attribute_val (media, "rtcp"))) {
/* FIXME, RFC 3605 */
stream->rtcp_port = stream->rtp_port + 1;
} else {
stream->rtcp_port = stream->rtp_port + 1;
}
GST_DEBUG_OBJECT (demux, "stream %d, (%p)", stream->id, stream);
GST_DEBUG_OBJECT (demux, " pt: %d", stream->pt);
GST_DEBUG_OBJECT (demux, " container: %d", stream->container);
GST_DEBUG_OBJECT (demux, " caps: %" GST_PTR_FORMAT, stream->caps);
/* we keep track of all streams */
demux->streams = g_list_append (demux->streams, stream);
return stream;
/* ERRORS */
no_connection:
{
gst_sdp_demux_stream_free (demux, stream);
return NULL;
}
}
void nabto_stream_event(nabto_connect* con,
nabto_packet_header* hdr,
uint8_t* info, //WINDOW payload with payload header
uint8_t* start,
int dlen,
uint8_t* sackStart,
uint16_t sackLength)
{
struct nabto_win_info win;
struct nabto_stream_s* stream;
struct nabto_stream_sack_data sackData;
uint16_t len;
// We must have a WINDOW payload to continue.
if (!info) {
NABTO_LOG_ERROR(("Stream %i, Packet has no WINDOW payload!", hdr->tag));
return;
}
READ_U16(len, info + 2);
if (!nabto_stream_read_window(info + SIZE_PAYLOAD_HEADER, len - SIZE_PAYLOAD_HEADER, &win)) {
NABTO_LOG_DEBUG(("ReadWin failure"));
return;
}
{
text msg;
switch (win.type) {
case NP_PAYLOAD_WINDOW_FLAG_SYN : msg = "SYN"; break;
case NP_PAYLOAD_WINDOW_FLAG_SYN | NP_PAYLOAD_WINDOW_FLAG_ACK: msg = "SYN|ACK"; break;
case NP_PAYLOAD_WINDOW_FLAG_FIN | NP_PAYLOAD_WINDOW_FLAG_ACK: msg = "FIN|ACK"; break;
case NP_PAYLOAD_WINDOW_FLAG_RST : msg = "RST"; break;
case NP_PAYLOAD_WINDOW_FLAG_ACK : msg = "DATA"; break;
default : msg = "?"; NABTO_LOG_TRACE(("Type?: %" PRIu8, win.type)); break;
}
NABTO_NOT_USED(msg);
NABTO_LOG_DEBUG(("%" PRIu16 " --> [%" PRIu32 ",%" PRIu32 "] %" PRItext ", %d bytes", hdr->tag, win.seq, win.ack, msg, dlen));
}
stream = find_stream(hdr->tag, con);
if (stream == NULL) {
if (win.type == NP_PAYLOAD_WINDOW_FLAG_SYN) {
stream = find_free_stream(hdr->tag, con);
if (stream == NULL) {
NABTO_LOG_DEBUG(("Stream with tag %i not accepted", hdr->tag));
}
} else {
NABTO_LOG_DEBUG(("Received non syn packet for stream which is not available tag %i", hdr->tag));
}
}
if (stream == NULL) {
if (! (win.type & NP_PAYLOAD_WINDOW_FLAG_RST)) {
build_and_send_rst_packet(con, hdr->tag, &win);
}
return;
}
if (!nabto_stream_validate_win(&win, stream)) {
NABTO_LOG_ERROR(("Cannot validate received stream window."));
return;
}
NABTO_LOG_TRACE(("(.%i.) Stream with tag %i accepted, slot=%i", con->spnsi, hdr->tag, unabto_stream_index(stream)));
stream->stats.receivedPackets++;
memset(&sackData, 0, sizeof(sackData));
{
uint8_t* ptr = sackStart;
while(sackLength >= 8 && sackData.nPairs < NP_PAYLOAD_SACK_MAX_PAIRS) {
uint32_t sackSeqStart; // start of sack
uint32_t sackSeqEnd; // end of sack one larger than actual acked window.
READ_FORWARD_U32(sackSeqStart, ptr);
READ_FORWARD_U32(sackSeqEnd, ptr);
sackLength -= 8;
sackData.pairs[sackData.nPairs].start = sackSeqStart;
sackData.pairs[sackData.nPairs].end = sackSeqEnd;
sackData.nPairs++;
}
}
nabto_stream_tcb_event(stream, &win, start, dlen, &sackData);
}
int
handle_command(struct cfg *cf, struct rtpp_command *cmd)
{
int i, verbose, rval;
int playcount;
char *cp, *tcp;
char *pname, *codecs, *recording_name;
struct rtpp_session *spa;
int record_single_file;
struct ul_opts *ulop;
struct d_opts dopt;
spa = NULL;
recording_name = NULL;
codecs = NULL;
/* Step II: parse parameters that are specific to a particular op and run simple ops */
switch (cmd->cca.op) {
case VER_FEATURE:
handle_ver_feature(cf, cmd);
return 0;
case GET_VER:
/* This returns base version. */
reply_number(cf, cmd, CPROTOVER);
return 0;
case DELETE_ALL:
/* Delete all active sessions */
rtpp_log_write(RTPP_LOG_INFO, cf->stable->glog, "deleting all active sessions");
pthread_mutex_lock(&cf->sessinfo.lock);
for (i = 0; i < cf->sessinfo.nsessions; i++) {
spa = cf->sessinfo.sessions[i];
if (spa == NULL || spa->sidx[0] != i)
continue;
remove_session(cf, spa);
}
pthread_mutex_unlock(&cf->sessinfo.lock);
reply_ok(cf, cmd);
return 0;
case INFO:
handle_info(cf, cmd, &cmd->argv[0][1]);
return 0;
case PLAY:
/*
* P callid pname codecs from_tag to_tag
*
* <codecs> could be either comma-separated list of supported
* payload types or word "session" (without quotes), in which
* case list saved on last session update will be used instead.
*/
playcount = 1;
pname = cmd->argv[2];
codecs = cmd->argv[3];
tcp = &(cmd->argv[0][1]);
if (*tcp != '\0') {
playcount = strtol(tcp, &cp, 10);
if (cp == tcp || *cp != '\0') {
rtpp_log_write(RTPP_LOG_ERR, cf->stable->glog, "command syntax error");
reply_error(cf, cmd, ECODE_PARSE_6);
return 0;
}
}
break;
case COPY:
recording_name = cmd->argv[2];
/* Fallthrough */
case RECORD:
if (cmd->argv[0][1] == 'S' || cmd->argv[0][1] == 's') {
if (cmd->argv[0][2] != '\0') {
rtpp_log_write(RTPP_LOG_ERR, cf->stable->glog, "command syntax error");
reply_error(cf, cmd, ECODE_PARSE_2);
return 0;
}
record_single_file = (cf->stable->record_pcap == 0) ? 0 : 1;
} else {
if (cmd->argv[0][1] != '\0') {
rtpp_log_write(RTPP_LOG_ERR, cf->stable->glog, "command syntax error");
reply_error(cf, cmd, ECODE_PARSE_3);
return 0;
}
record_single_file = 0;
}
break;
case DELETE:
/* D[w] call_id from_tag [to_tag] */
dopt.weak = 0;
for (cp = cmd->argv[0] + 1; *cp != '\0'; cp++) {
switch (*cp) {
case 'w':
case 'W':
dopt.weak = 1;
break;
default:
rtpp_log_write(RTPP_LOG_ERR, cf->stable->glog,
"DELETE: unknown command modifier `%c'", *cp);
reply_error(cf, cmd, ECODE_PARSE_4);
return 0;
}
}
break;
case UPDATE:
case LOOKUP:
ulop = rtpp_command_ul_opts_parse(cf, cmd);
if (ulop == NULL) {
return 0;
}
break;
case GET_STATS:
verbose = 0;
for (cp = cmd->argv[0] + 1; *cp != '\0'; cp++) {
switch (*cp) {
case 'v':
case 'V':
verbose = 1;
break;
default:
rtpp_log_write(RTPP_LOG_ERR, cf->stable->glog,
"STATS: unknown command modifier `%c'", *cp);
reply_error(cf, cmd, ECODE_PARSE_5);
return 0;
}
}
i = handle_get_stats(cf, cmd, verbose);
if (i != 0) {
reply_error(cf, cmd, i);
}
return 0;
default:
break;
}
/*
* Record and delete need special handling since they apply to all
* streams in the session.
*/
switch (cmd->cca.op) {
case DELETE:
i = handle_delete(cf, &cmd->cca, dopt.weak);
break;
case RECORD:
i = handle_record(cf, &cmd->cca, record_single_file);
break;
default:
i = find_stream(cf, cmd->cca.call_id, cmd->cca.from_tag, cmd->cca.to_tag, &spa);
if (i != -1 && cmd->cca.op != UPDATE)
i = NOT(i);
break;
}
if (i == -1 && cmd->cca.op != UPDATE) {
rtpp_log_write(RTPP_LOG_INFO, cf->stable->glog,
"%s request failed: session %s, tags %s/%s not found", cmd->cca.rname,
cmd->cca.call_id, cmd->cca.from_tag, cmd->cca.to_tag != NULL ? cmd->cca.to_tag : "NONE");
if (cmd->cca.op == LOOKUP) {
rtpp_command_ul_opts_free(ulop);
ul_reply_port(cf, cmd, NULL);
return 0;
}
reply_error(cf, cmd, ECODE_SESUNKN);
return 0;
}
switch (cmd->cca.op) {
case DELETE:
case RECORD:
reply_ok(cf, cmd);
break;
case NOPLAY:
handle_noplay(cf, spa, i, cmd);
reply_ok(cf, cmd);
break;
case PLAY:
handle_noplay(cf, spa, i, cmd);
if (strcmp(codecs, "session") == 0) {
if (spa->codecs[i] == NULL) {
reply_error(cf, cmd, ECODE_INVLARG_5);
return 0;
}
codecs = spa->codecs[i];
}
if (playcount != 0 && handle_play(cf, spa, i, codecs, pname, playcount, cmd) != 0) {
reply_error(cf, cmd, ECODE_PLRFAIL);
return 0;
}
reply_ok(cf, cmd);
break;
case COPY:
if (handle_copy(cf, spa, i, recording_name, record_single_file) != 0) {
reply_error(cf, cmd, ECODE_CPYFAIL);
return 0;
}
reply_ok(cf, cmd);
break;
case QUERY:
rval = handle_query(cf, cmd, spa, i);
if (rval != 0) {
reply_error(cf, cmd, rval);
}
break;
case LOOKUP:
case UPDATE:
rtpp_command_ul_handle(cf, cmd, ulop, spa, i);
break;
default:
/* Programmatic error, should not happen */
abort();
}
return 0;
}
