1
0
mirror of https://github.com/samba-team/samba.git synced 2025-02-28 01:58:17 +03:00

r7227: added a socket_pending() call to abstract away the FIONREAD ioctl. It

will be interesting to see if this causes any portability problems, as
it is a less commonly used call.
(This used to be commit f6993db31d93059c70b44a23005ba444e205870f)
This commit is contained in:
Andrew Tridgell 2005-06-03 13:20:08 +00:00 committed by Gerald (Jerry) Carter
parent ff27722fea
commit 1692bbf2e2
4 changed files with 40 additions and 0 deletions

View File

@ -235,6 +235,22 @@ NTSTATUS socket_sendto(struct socket_context *sock,
return sock->ops->fn_sendto(sock, blob, sendlen, flags, dest_addr, dest_port);
}
/*
ask for the number of bytes in a pending incoming datagram
*/
NTSTATUS socket_pending(struct socket_context *sock, size_t *npending)
{
if (sock->type != SOCKET_TYPE_DGRAM) {
return NT_STATUS_INVALID_PARAMETER;
}
if (!sock->ops->fn_pending) {
return NT_STATUS_NOT_IMPLEMENTED;
}
return sock->ops->fn_pending(sock, npending);
}
NTSTATUS socket_set_option(struct socket_context *sock, const char *option, const char *val)
{
if (!sock->ops->fn_set_option) {

View File

@ -60,6 +60,7 @@ struct socket_ops {
NTSTATUS (*fn_recvfrom)(struct socket_context *sock,
void *buf, size_t wantlen, size_t *nread, uint32_t flags,
const char **src_addr, int *src_port);
NTSTATUS (*fn_pending)(struct socket_context *sock, size_t *npending);
void (*fn_close)(struct socket_context *sock);
@ -124,6 +125,7 @@ NTSTATUS socket_send(struct socket_context *sock,
NTSTATUS socket_sendto(struct socket_context *sock,
const DATA_BLOB *blob, size_t *sendlen, uint32_t flags,
const char *dest_addr, int dest_port);
NTSTATUS socket_pending(struct socket_context *sock, size_t *npending);
NTSTATUS socket_set_option(struct socket_context *sock, const char *option, const char *val);
char *socket_get_peer_name(struct socket_context *sock, TALLOC_CTX *mem_ctx);
char *socket_get_peer_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx);

View File

@ -435,6 +435,16 @@ static int ipv4_get_fd(struct socket_context *sock)
return sock->fd;
}
static NTSTATUS ipv4_pending(struct socket_context *sock, size_t *npending)
{
int value = 0;
if (ioctl(sock->fd, FIONREAD, &value) == 0) {
*npending = value;
return NT_STATUS_OK;
}
return map_nt_error_from_unix(errno);
}
static const struct socket_ops ipv4_ops = {
.name = "ipv4",
.fn_init = ipv4_init,
@ -446,6 +456,7 @@ static const struct socket_ops ipv4_ops = {
.fn_recvfrom = ipv4_recvfrom,
.fn_send = ipv4_send,
.fn_sendto = ipv4_sendto,
.fn_pending = ipv4_pending,
.fn_close = ipv4_close,
.fn_set_option = ipv4_set_option,

View File

@ -316,6 +316,16 @@ static int unixdom_get_fd(struct socket_context *sock)
return sock->fd;
}
static NTSTATUS unixdom_pending(struct socket_context *sock, size_t *npending)
{
int value = 0;
if (ioctl(sock->fd, FIONREAD, &value) == 0) {
*npending = value;
return NT_STATUS_OK;
}
return map_nt_error_from_unix(errno);
}
static const struct socket_ops unixdom_ops = {
.name = "unix",
.fn_init = unixdom_init,
@ -327,6 +337,7 @@ static const struct socket_ops unixdom_ops = {
.fn_send = unixdom_send,
.fn_sendto = unixdom_sendto,
.fn_close = unixdom_close,
.fn_pending = unixdom_pending,
.fn_set_option = unixdom_set_option,