static int rtsp_get_answers(rtsp_t *s) {
char *answer=NULL;
unsigned int answer_seq;
char **answer_ptr=s->answers;
int code;
int ans_count = 0;
answer=rtsp_get(s);
if (!answer)
return 0;
code=rtsp_get_code(s, answer);
free(answer);
rtsp_free_answers(s);
do { /* while we get answer lines */
answer=rtsp_get(s);
if (!answer)
return 0;
if (!strncasecmp(answer,"Cseq: ",6)) {
sscanf(answer+6,"%u",&answer_seq);
if (s->cseq != answer_seq) {
lprintf("warning: Cseq mismatch. got %u, assumed %u", answer_seq, s->cseq);
s->cseq=answer_seq;
}
}
if (!strncasecmp(answer,"Server: ",8)) {
free(s->server);
s->server = strdup(answer + 8);
}
if (!strncasecmp(answer,"Session: ",9)) {
char *tmp = answer + 9;
if (s->session) {
if (strcmp(tmp, s->session)) {
xprintf(s->stream->xine, XINE_VERBOSITY_DEBUG,
"rtsp: warning: setting NEW session: %s\n", tmp);
s->session=strdup(tmp);
}
} else
{
lprintf("setting session id to: %s\n", tmp);
s->session=strdup(tmp);
}
}
*answer_ptr=answer;
answer_ptr++;
} while ((strlen(answer)!=0) && (++ans_count < MAX_FIELDS));
s->cseq++;
*answer_ptr=NULL;
rtsp_schedule_standard(s);
return code;
}
int rtsp_read_data( rtsp_client_t *rtsp, uint8_t *buffer, unsigned int size )
{
int i, seq;
if( size >= 4 )
{
i = rtsp->pf_read( rtsp->p_userdata, (uint8_t*)buffer, (unsigned int) 4 );
if( i < 4 ) return i;
if( buffer[0]=='S' && buffer[1]=='E' && buffer[2]=='T' &&
buffer[3]=='_' )
{
char *rest = rtsp_get( rtsp );
if( !rest ) return -1;
seq = -1;
do
{
free( rest );
rest = rtsp_get( rtsp );
if( !rest ) return -1;
if( !strncasecmp( rest, "CSeq:", 5 ) )
sscanf( rest, "%*s %u", &seq );
} while( *rest );
free( rest );
if( seq < 0 )
{
//fprintf(stderr, "warning: cseq not recognized!\n");
seq = 1;
}
/* lets make the server happy */
rtsp_put( rtsp, "RTSP/1.0 451 Parameter Not Understood" );
rest = xmalloc(sizeof("Cseq: ") + 3 * sizeof(int));
sprintf( rest,"CSeq: %u", seq );
rtsp_put( rtsp, rest );
rtsp_put( rtsp, "" );
free( rest );
i = rtsp->pf_read( rtsp->p_userdata, (unsigned char*)buffer, size );
}
else
{
i = rtsp->pf_read( rtsp->p_userdata, (unsigned char*)buffer + 4, size - 4 );
i += 4;
}
}
else i = rtsp->pf_read( rtsp->p_userdata, (unsigned char*)buffer, size );
//fprintf( stderr, "<< %d of %d bytes\n", i, size );
return i;
}
int rtsp_read_data(rtsp_t *s, void *buffer_gen, unsigned int size) {
uint8_t *buffer = buffer_gen;
int i,seq;
if (size>=4) {
i=_x_io_tcp_read(s->stream, s->s, buffer, 4);
if (i<4) return i;
if ((buffer[0]=='S')&&(buffer[1]=='E')&&(buffer[2]=='T')&&(buffer[3]=='_'))
{
char *rest=rtsp_get(s);
if (!rest)
return -1;
seq=-1;
do {
free(rest);
rest=rtsp_get(s);
if (!rest)
return -1;
if (!strncasecmp(rest,"Cseq:",5))
sscanf(rest,"%*s %u",&seq);
} while (strlen(rest)!=0);
free(rest);
if (seq<0) {
lprintf("warning: cseq not recognized!\n");
seq=1;
}
/* lets make the server happy */
rtsp_put(s, "RTSP/1.0 451 Parameter Not Understood");
rest = _x_asprintf("CSeq: %u", seq);
rtsp_put(s, rest);
free(rest);
rtsp_put(s, "");
i=_x_io_tcp_read(s->stream, s->s, buffer, size);
} else
{
i=_x_io_tcp_read(s->stream, s->s, buffer+4, size-4);
i+=4;
}
} else
i=_x_io_tcp_read(s->stream, s->s, buffer, size);
lprintf("<< %d of %d bytes\n", i, size);
return i;
}
static int rtsp_get_answers( rtsp_client_t *rtsp )
{
char *answer = NULL;
unsigned int answer_seq;
char **answer_ptr = rtsp->p_private->answers;
int code;
int ans_count = 0;
answer = rtsp_get( rtsp );
if( !answer ) return 0;
code = rtsp_get_status_code( rtsp, answer );
free( answer );
rtsp_free_answers( rtsp );
do { /* while we get answer lines */
answer = rtsp_get( rtsp );
if( !answer ) return 0;
if( !strncasecmp( answer, "CSeq:", 5 ) )
{
sscanf( answer, "%*s %u", &answer_seq );
if( rtsp->p_private->cseq != answer_seq )
{
//fprintf( stderr, "warning: Cseq mismatch. got %u, assumed %u",
// answer_seq, rtsp->p_private->cseq );
rtsp->p_private->cseq = answer_seq;
}
}
if( !strncasecmp( answer, "Server:", 7 ) )
{
char *buf = xmalloc( strlen(answer) );
sscanf( answer, "%*s %s", buf );
free( rtsp->p_private->server );
rtsp->p_private->server = buf;
}
if( !strncasecmp( answer, "Session:", 8 ) )
{
char *buf = xmalloc( strlen(answer) );
sscanf( answer, "%*s %s", buf );
if( rtsp->p_private->session )
{
if( strcmp( buf, rtsp->p_private->session ) )
{
//fprintf( stderr,
// "rtsp: warning: setting NEW session: %s\n", buf );
free( rtsp->p_private->session );
rtsp->p_private->session = strdup( buf );
}
}
else
{
//fprintf( stderr, "setting session id to: %s\n", buf );
rtsp->p_private->session = strdup( buf );
}
free( buf );
}
*answer_ptr = answer;
answer_ptr++;
} while( (strlen(answer) != 0) && (++ans_count < MAX_FIELDS) );
rtsp->p_private->cseq++;
*answer_ptr = NULL;
rtsp_schedule_standard( rtsp );
return code;
}
static int rtsp_get_answers( rtsp_client_t *rtsp )
{
access_t *p_access = (access_t*)rtsp->p_userdata;
char *answer = NULL;
unsigned int answer_seq;
char **answer_ptr = rtsp->p_private->answers;
int code;
int ans_count = 0;
answer = rtsp_get( rtsp );
if( !answer ) return 0;
code = rtsp_get_status_code( rtsp, answer );
free( answer );
rtsp_free_answers( rtsp );
do { /* while we get answer lines */
answer = rtsp_get( rtsp );
if( !answer ) return 0;
if( !strncasecmp( answer, "CSeq:", 5 ) )
{
if (sscanf( answer, "%*s %u", &answer_seq ) == 1) {
if( rtsp->p_private->cseq != answer_seq )
{
msg_Warn (p_access, "Cseq mismatch, got %u, assumed %u", answer_seq, rtsp->p_private->cseq);
rtsp->p_private->cseq = answer_seq;
}
} else {
msg_Warn (p_access, "remote server sent CSeq without payload, ignoring.");
}
}
if( !strncasecmp( answer, "Server:", 7 ) )
{
char *buf = xmalloc( strlen(answer) );
if (sscanf( answer, "%*s %s", buf ) == 1) {
free( rtsp->p_private->server );
rtsp->p_private->server = buf;
} else {
msg_Warn(p_access, "remote server sent Server without payload, ignoring.");
}
}
if( !strncasecmp( answer, "Session:", 8 ) )
{
char *buf = xmalloc( strlen(answer) );
if (sscanf( answer, "%*s %s", buf ) == 1) { // TODO: ignore attributes "Session: ${session-id};${attribute=value...}"
if( rtsp->p_private->session )
{
if( strcmp( buf, rtsp->p_private->session ) )
{
msg_Warn (p_access, "setting NEW session: %s", buf);
free( rtsp->p_private->session );
rtsp->p_private->session = strdup( buf );
}
}
else
{
msg_Dbg (p_access, "session id: '%s'", buf);
rtsp->p_private->session = strdup( buf );
}
} else {
msg_Warn(p_access, "remote server sent Session without payload, ignoring.");
}
free( buf );
}
*answer_ptr = answer;
answer_ptr++;
} while( (strlen(answer) != 0) && (++ans_count < MAX_FIELDS) );
rtsp->p_private->cseq++;
if (ans_count != MAX_FIELDS) {
*answer_ptr = NULL;
}
rtsp_schedule_standard( rtsp );
return code;
}
