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Diffstat (limited to 'src/core/platform.h')
| -rw-r--r-- | src/core/platform.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/core/platform.h b/src/core/platform.h index ed32c550..fa93916c 100644 --- a/src/core/platform.h +++ b/src/core/platform.h @@ -289,6 +289,35 @@ extern void nni_plat_ipc_pipe_send(nni_plat_ipc_pipe *, nni_aio *); extern void nni_plat_ipc_pipe_recv(nni_plat_ipc_pipe *, nni_aio *); // +// UDP support. UDP is not connection oriented, and only has the notion +// of being bound, sendto, and recvfrom. (It is possible to set up a +// connect call that semantically acts as a filter on recvfrom, but we +// don't use that.) Outbound packets will include the destination address +// in the AIO, and inbound packets include the source address in the AIO. +// For now we don't have more sophisticated options like setting the TTL. +// +typedef struct nni_plat_udp nni_plat_udp; + +// nni_plat_udp_open initializes a UDP socket, binding to the local +// address specified specified in the AIO. The remote address is +// not used. The resulting nni_plat_udp structure is returned in the +// the aio's a_pipe. +extern int nni_plat_udp_open(nni_plat_udp **, nni_sockaddr *); + +// nni_plat_udp_close closes the underlying UDP socket. +extern void nni_plat_udp_close(nni_plat_udp *); + +// nni_plat_udp_send sends the data in the aio to the the +// destination specified in the nni_aio. The iovs are the +// UDP payload. +extern void nni_plat_udp_send(nni_plat_udp *, nni_aio *); + +// nni_plat_udp_pipe_recv recvs a message, storing it in the iovs +// from the UDP payload. If the UDP payload will not fit, then +// NNG_EMSGSIZE results. +extern void nni_plat_udp_recv(nni_plat_udp *, nni_aio *); + +// // Notification Pipe Pairs // |