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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "asf.h"
#include "url.h"
#include "http.h"
const char *temp_response =
"HTTP/1.0 200 OK\r\n"
"Date: Tue, 20 Mar 2001 11:40:35 GMT\r\n"
"Content-Type: application/octet-stream\r\n"
"Server: Cougar 4.1.0.3920\r\n"
"Cache-Control: no-cache\r\n"
"Pragma: no-cache, client-id=290092, features=\"broadcast\"\r\n"
/* "Pragma: no-cache\r\n"
"Pragma: client-id=290092\r\n"
"Pragma: features=\"broadcast\"\r\n"
*/ "\r\n";
static ASF_StreamType_e stream_type = ASF_Unknown_e;
void
asf_streaming(char *data, int length) {
ASF_stream_chunck_t *stream_chunck=(ASF_stream_chunck_t*)data;
printf("ASF stream chunck size=%d\n", stream_chunck->size);
if( stream_chunck->size<8 ) {
printf("Ahhhh, stream_chunck size is too small: %d\n", stream_chunck->size);
return;
}
if( stream_chunck->size!=stream_chunck->size_confirm ) {
printf("size_confirm mismatch!: %d %d\n", stream_chunck->size, stream_chunck->size_confirm);
return;
}
switch(stream_chunck->type) {
case 0x4324: // Clear ASF configuration
printf("=====> Clearing ASF stream configuration!\n");
break;
case 0x4424: // Data follows
printf("=====> Data follows\n");
break;
case 0x4524: // Transfer complete
printf("=====> Transfer complete\n");
break;
case 0x4824: // ASF header chunk follows
printf("=====> ASF header chunk follows\n");
break;
default:
printf("=====> Unknown stream type 0x%x\n", stream_chunck->type );
}
}
void
asf_stream_type(char *content_type, char *features) {
stream_type = ASF_Unknown_e;
if( !strcasecmp(content_type, "application/octet-stream") ) {
if( strstr(features, "broadcast")) {
printf("=====> Live stream\n");
stream_type = ASF_Live_e;
} else {
printf("=====> Prerecorded\n");
stream_type = ASF_Prerecorded_e;
}
} else {
if( (!strcasecmp(content_type, "audio/x-ms-wax")) ||
(!strcasecmp(content_type, "audio/x-ms-wma")) ||
(!strcasecmp(content_type, "video/x-ms-asf")) ||
(!strcasecmp(content_type, "video/x-ms-afs")) ||
(!strcasecmp(content_type, "video/x-ms-wvx")) ||
(!strcasecmp(content_type, "video/x-ms-wmv")) ||
(!strcasecmp(content_type, "video/x-ms-wma")) ) {
printf("=====> Redirector\n");
stream_type = ASF_Redirector_e;
} else {
printf("=====> unknown content-type: %s\n", content_type );
stream_type = ASF_Unknown_e;
}
}
}
//void asf_http_request(stream_t *stream, URL_t *url) {
void
asf_http_request(URL_t *url) {
HTTP_header_t *http_hdr;
char str[250];
char *request;
// int size;
int offset_hi=0, offset_lo=0, req_nb=1, length=0;
int asf_nb_stream=1;
// Common header for all requests.
http_hdr = http_new_header();
http_set_uri( http_hdr, url->file );
http_set_field( http_hdr, "Accept: */*" );
http_set_field( http_hdr, "User-Agent: NSPlayer/4.1.0.3856" );
sprintf( str, "Host: %s:%d", url->hostname, url->port );
http_set_field( http_hdr, str );
http_set_field( http_hdr, "Pragma: xClientGUID={c77e7400-738a-11d2-9add-0020af0a3278}" );
sprintf(str,
"Pragma: no-cache,rate=1.000000,stream-time=0,stream-offset=%u:%u,request-context=%d,max-duration=%u",
offset_hi, offset_lo, req_nb, length );
http_set_field( http_hdr, str );
switch( stream_type ) {
case ASF_Live_e:
case ASF_Prerecorded_e:
http_set_field( http_hdr, "Pragma: xPlayStrm=1" );
sprintf( str, "Pragma: stream-switch-count=%d", asf_nb_stream );
http_set_field( http_hdr, str );
http_set_field( http_hdr, "Pragma: stream-switch-entry=ffff:1:0" );
break;
case ASF_Redirector_e:
break;
case ASF_Unknown_e:
// First request goes here.
break;
default:
printf("Unknown asf stream type\n");
}
http_set_field( http_hdr, "Connection: Close" );
request = http_get_request( http_hdr );
printf("%s\n", request );
}
int
asf_http_parse_response( char *response, int length ) {
HTTP_header_t *http_hdr;
char *content_type, *pragma;
char features[64] = "\0";
int len;
http_hdr = http_new_response( response, length );
if( http_hdr->status_code!=200 ) {
printf("Server return %d:%s\n", http_hdr->status_code, http_hdr->reason_phrase);
return -1;
}
content_type = http_get_field( http_hdr, "Content-Type");
pragma = http_get_field( http_hdr, "Pragma");
do {
char *comma_ptr=NULL;
char *end;
// The pragma line can get severals attributes
// separeted with a comma ','.
do {
if( !strncasecmp( pragma, "features=", 9) ) {
pragma += 9;
end = strstr( pragma, "," );
if( end==NULL ) {
len = strlen(pragma);
}
len = MIN(end-pragma,sizeof(features));
strncpy( features, pragma, len );
features[len]='\0';
break;
}
comma_ptr = strstr( pragma, "," );
if( comma_ptr!=NULL ) {
pragma = comma_ptr+1;
if( pragma[0]==' ' ) pragma++;
}
} while( comma_ptr!=NULL );
pragma = http_get_next_field( http_hdr );
} while( pragma!=NULL );
asf_stream_type( content_type, features );
return 0;
}
#ifdef STREAMING_TEST
int main() {
URL_t *url = set_url("http://toto.com:12/coucou");
asf_http_request( url );
asf_http_parse_response( temp_response, strlen(temp_response) );
asf_http_request( url );
return 0;
}
#endif
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