int
Container::url_write(void*h, unsigned char* buf, int size) {
int retval = -1;
try {
URLProtocolHandler* handler = (URLProtocolHandler*) h;
if (handler) retval = handler->url_write(buf, size);
} catch (...) {
retval = -1;
}
VS_LOG_TRACE("URLProtocolHandler[%p]->url_write(%p, %d) ==> %d", h, buf, size,
retval);
return retval;
}
int64_t
Container::url_seek(void*h, int64_t position, int whence) {
int64_t retval = -1;
try {
URLProtocolHandler* handler = (URLProtocolHandler*) h;
if (handler) retval = handler->url_seek(position, whence);
} catch (...) {
retval = -1;
}
VS_LOG_TRACE("URLProtocolHandler[%p]->url_seek(%p, %lld) ==> %d", h, position,
whence, retval);
return retval;
}
URLProtocolHandler::SeekableFlags
URLProtocolManager :: url_seekflags(void *h, const char* url, int flags)
{
URLProtocolHandler::SeekableFlags retval = URLProtocolHandler::SK_NOT_SEEKABLE;
try
{
URLProtocolHandler* handler = URLProtocolManager::getHandler(h);
retval = handler->url_seekflags(url, flags);
}
catch(...)
{
}
return retval;
}
int
URLProtocolManager :: url_read(void *h, unsigned char* buf, int size)
{
int retval = -1;
try
{
URLProtocolHandler* handler = URLProtocolManager::getHandler(h);
retval = handler->url_read(buf, size);
}
catch(...)
{
retval = -1;
}
return retval;
}
int64_t
URLProtocolManager :: url_seek(void *h, int64_t position,
int whence)
{
int64_t retval = -1;
try
{
URLProtocolHandler* handler = URLProtocolManager::getHandler(h);
retval = handler->url_seek(position, whence);
}
catch(...)
{
retval = -1;
}
return retval;
}
/*
* Here lie static functions that forward to the right class function in the protocol manager
*/
int
URLProtocolManager :: url_open(void* h, const char* url, int flags)
{
int retval = -1;
try
{
URLProtocolHandler* handler = URLProtocolManager::getHandler(h);
retval = handler->url_open(url, flags);
}
catch (...)
{
retval = -1;
}
return retval;
}
int
URLProtocolManager :: url_close(void *h)
{
int retval = -1;
try
{
URLProtocolHandler* handler = URLProtocolManager::getHandler(h);
retval = handler->url_close();
// when we close that handler is no longer valid; you must re-open to re-use.
delete handler;
}
catch (...)
{
retval = -1;
}
return retval;
}
