int ffurl_read_complete(URLContext *h, unsigned char *buf, int size)
{
#define MAX_RETRY (6*60) //10S*6*60=60MIN;
int maxretry=MAX_RETRY;
int toread=size;
int readedlen=0;
if (!(h->flags & AVIO_FLAG_READ))
return AVERROR(EIO);
while(toread>0 && maxretry-->0){
int ret;
ret=retry_transfer_wrapper(h, buf+readedlen, toread, toread, h->prot->url_read);
if(ret>0){
toread-=ret;
readedlen+=ret;
}else if(ret!=AVERROR(EAGAIN)){
return ret;/*error of EOF*/
}
if(url_interrupt_cb())
return AVERROR_EXIT;
}
if((size-toread)!=0)
return (size-toread);
else
return AVERROR(ETIMEDOUT);/*retry too long time,//time out...*/
}
int ffurl_read(URLContext *h, unsigned char *buf, int size)
{
if (!h) return 0;
if (!(h->flags & AVIO_FLAG_READ))
return AVERROR(EIO);
return retry_transfer_wrapper(h, buf, size, 1, h->prot->url_read);
}
int ffurl_write(URLContext *h, const unsigned char *buf, int size)
{
if (!(h->flags & AVIO_FLAG_WRITE))
return AVERROR(EIO);
/* avoid sending too big packets */
if (h->max_packet_size && size > h->max_packet_size)
return AVERROR(EIO);
return retry_transfer_wrapper(h, buf, size, size, h->prot->url_write);
}
int url_read_complete(URLContext *h, unsigned char *buf, int size)
{
if (h->flags & URL_WRONLY)
return AVERROR(EIO);
return retry_transfer_wrapper(h, buf, size, size, h->prot->url_read);
}
