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Factor out the bulk of client_serve_request, and add convenience converters in src/nbdtypes.c

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This commit is contained in:
Alex Young
2012-05-31 17:44:11 +01:00
parent 949d7d6a72
commit 185a840e03
6 changed files with 475 additions and 86 deletions
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57
src/nbdtypes.c Normal file
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#include "nbdtypes.h"
#include <string.h>
#include <endian.h>
/**
* We intentionally ignore the reserved 128 bytes at the end of the
* request, since there's nothing we can do with them.
*/
void nbd_r2h_init( struct nbd_init_raw * from, struct nbd_init * to )
{
memcpy( to->passwd, from->passwd, 8 );
to->magic = be64toh( from->magic );
to->size = be64toh( from->size );
}
void nbd_h2r_init( struct nbd_init * from, struct nbd_init_raw * to)
{
memcpy( to->passwd, from->passwd, 8 );
to->magic = htobe64( from->magic );
to->size = htobe64( from->size );
}
void nbd_r2h_request( struct nbd_request_raw *from, struct nbd_request * to )
{
to->magic = htobe32( from->magic );
to->type = htobe32( from->type );
memcpy( to->handle, from->handle, 8 );
to->from = htobe64( from->from );
to->len = htobe32( from->len );
}
void nbd_h2r_request( struct nbd_request * from, struct nbd_request_raw * to )
{
to->magic = be32toh( from->magic );
to->type = be32toh( from->type );
memcpy( to->handle, from->handle, 8 );
to->from = be64toh( from->from );
to->len = be32toh( from->len );
}
void nbd_r2h_reply( struct nbd_reply_raw * from, struct nbd_reply * to )
{
to->magic = htobe32( from->magic );
to->error = htobe32( from->error );
memcpy( to->handle, from->handle, 8 );
}
void nbd_h2r_reply( struct nbd_reply * from, struct nbd_reply_raw * to )
{
to->magic = be32toh( from->magic );
to->error = be32toh( from->error );
memcpy( to->handle, from->handle, 8 );
}