static int rtsp_get_media_uri(void *sdp, int media, char* uri, size_t bytes, const char* sessionuri)
{
char path[256] = {0};
const char* control;
// C.1.1 Control URL (p81)
// If this attribute contains only an asterisk (*), then the URL is
// treated as if it were an empty embedded URL, and thus inherits the entire base URL.
control = sdp_media_attribute_find(sdp, media, "control");
if(!control || 0==*control || '*' == *control)
control = "";
strncpy(uri, control, bytes-1);
if(!isAbsoluteURL(uri) && sessionuri && *sessionuri)
{
if(*uri)
{
uri_join(path, sizeof(path), sessionuri, uri);
sessionuri = path;
}
strncpy(uri, sessionuri, bytes-1);
}
return 0;
}
// rfc 2326 C.1.1 Control URL (p81)
// look for a base URL in the following order:
// 1. The RTSP Content-Base field
// 2. The RTSP Content-Location field
// 3. The RTSP request URL
static int rtsp_get_session_uri(void *sdp, char* uri, size_t bytes, const char* requri, const char* baseuri, const char* location)
{
char path[256] = {0};
const char* control;
// C.1.1 Control URL (p81)
// If this attribute contains only an asterisk (*), then the URL is
// treated as if it were an empty embedded URL, and thus inherits the entire base URL.
control = sdp_attribute_find(sdp, "control");
if(!control || 0==*control || '*' == *control)
control = "";
strncpy(uri, control, bytes-1);
if(!isAbsoluteURL(uri) && baseuri && *baseuri)
{
if(*uri)
{
uri_join(path, sizeof(path), baseuri, uri);
baseuri = path;
}
strncpy(uri, baseuri, bytes-1);
}
if(!isAbsoluteURL(uri) && location && *location)
{
if(*uri)
{
uri_join(path, sizeof(path), location, uri);
location = path;
}
strncpy(uri, location, bytes-1);
}
if(!isAbsoluteURL(uri) && requri && *requri)
{
if(*uri)
{
uri_join(path, sizeof(path), requri, uri);
requri = path;
}
strncpy(uri, requri, bytes-1);
}
return 0;
}
static EjsAny *invokeUriOperator(Ejs *ejs, EjsUri *lhs, int opcode, EjsUri *rhs, void *data)
{
EjsAny *result;
if (rhs == 0 || TYPE(lhs) != TYPE(rhs)) {
if ((result = coerceUriOperands(ejs, lhs, opcode, rhs)) != 0) {
return result;
}
}
/* Types now match, both Uris
*/
switch (opcode) {
case EJS_OP_COMPARE_STRICTLY_EQ:
case EJS_OP_COMPARE_EQ:
if (lhs == rhs || (lhs->uri == rhs->uri)) {
return ESV(true);
}
return ejsCreateBoolean(ejs, same(ejs, lhs->uri, rhs->uri, 1));
case EJS_OP_COMPARE_NE:
case EJS_OP_COMPARE_STRICTLY_NE:
return ejsCreateBoolean(ejs, !same(ejs, lhs->uri, rhs->uri, 1));
/* NOTE: these only compare the paths */
case EJS_OP_COMPARE_LT:
return ejsCreateBoolean(ejs, scmp(lhs->uri->path, rhs->uri->path) < 0);
case EJS_OP_COMPARE_LE:
return ejsCreateBoolean(ejs, scmp(lhs->uri->path, rhs->uri->path) <= 0);
case EJS_OP_COMPARE_GT:
return ejsCreateBoolean(ejs, scmp(lhs->uri->path, rhs->uri->path) > 0);
case EJS_OP_COMPARE_GE:
return ejsCreateBoolean(ejs, scmp(lhs->uri->path, rhs->uri->path) >= 0);
/*
Unary operators
*/
case EJS_OP_COMPARE_NOT_ZERO:
return ((lhs->uri->path) ? ESV(true): ESV(false));
case EJS_OP_COMPARE_ZERO:
return ((lhs->uri->path == 0) ? ESV(true): ESV(false));
case EJS_OP_COMPARE_UNDEFINED:
case EJS_OP_COMPARE_NULL:
case EJS_OP_COMPARE_FALSE:
case EJS_OP_COMPARE_TRUE:
return ESV(false);
/*
Binary operators
*/
case EJS_OP_ADD:
return uri_join(ejs, lhs, 1, (EjsObj**) &rhs);
default:
ejsThrowTypeError(ejs, "Opcode %d not implemented for type %@", opcode, TYPE(lhs)->qname.name);
return 0;
}
assure(0);
}
