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| author | Luke T. Shumaker <lukeshu@lukeshu.com> | 2025-06-06 23:57:00 -0600 |
|---|---|---|
| committer | Luke T. Shumaker <lukeshu@lukeshu.com> | 2025-06-06 23:57:00 -0600 |
| commit | 53d0b11262177cd212803fc9330e055871c348b3 (patch) | |
| tree | ad09857ab8b7a1e0f8c5bddd2b7af0bf093275cc /libhw_generic/include/libhw/generic/net.h | |
| parent | b5a29a4c57f09ed11b4591f99493fd57fdcee593 (diff) | |
| parent | b85e2a4c1bc272cb6ede732751beb55906f7e298 (diff) | |
Merge branch 'lukeshu/error'
Diffstat (limited to 'libhw_generic/include/libhw/generic/net.h')
| -rw-r--r-- | libhw_generic/include/libhw/generic/net.h | 52 |
1 files changed, 20 insertions, 32 deletions
diff --git a/libhw_generic/include/libhw/generic/net.h b/libhw_generic/include/libhw/generic/net.h index 55e4a6f..d1d4194 100644 --- a/libhw_generic/include/libhw/generic/net.h +++ b/libhw_generic/include/libhw/generic/net.h @@ -9,23 +9,10 @@ #include <stddef.h> /* for size_t */ #include <stdint.h> /* for uint{n}_t} */ -#include <sys/types.h> /* for ssize_t */ #include <libhw/generic/io.h> #include <libmisc/fmt.h> -/* Errnos *********************************************************************/ - -#define NET_EOTHER 1 -#define NET_EARP_TIMEOUT 2 -#define NET_EACK_TIMEOUT 3 -#define NET_ERECV_TIMEOUT 4 -#define NET_ETHREAD 5 -#define NET_ECLOSED 6 -#define NET_EMSGSIZE 7 - -const char *net_strerror(int net_errno); - /* Address types **************************************************************/ struct net_ip4_addr { @@ -44,22 +31,6 @@ void fmt_print_net_eth_addr(lo_interface fmt_dest, struct net_eth_addr); /* Streams (e.g. TCP) *********************************************************/ -lo_interface net_stream_conn; - -#define net_stream_listener_LO_IFACE \ - /** \ - * It is invalid to accept() a new connection if an existing \ - * connection is still open. \ - */ \ - LO_FUNC(lo_interface net_stream_conn, accept) \ - \ - /** \ - * The net_stream_conn returned from accept() may still be \ - * valid after the listener is closed. \ - */ \ - LO_NEST(io_closer) -LO_INTERFACE(net_stream_listener); - #define net_stream_conn_LO_IFACE \ LO_NEST(io_readwriter) \ LO_NEST(io_bidi_closer) \ @@ -78,10 +49,27 @@ LO_INTERFACE(net_stream_listener); LO_FUNC(void, set_read_deadline, uint64_t ns_since_boot) LO_INTERFACE(net_stream_conn); +typedef lo_interface net_stream_conn net_stream_conn; +DECLARE_ERROR_OR(net_stream_conn); + +#define net_stream_listener_LO_IFACE \ + /** \ + * It is invalid to accept() a new connection if an existing \ + * connection is still open. \ + */ \ + LO_FUNC(net_stream_conn_or_error, accept) \ + \ + /** \ + * The net_stream_conn returned from accept() may still be \ + * valid after the listener is closed. \ + */ \ + LO_NEST(io_closer) +LO_INTERFACE(net_stream_listener); + /* Packets (e.g. UDP) *********************************************************/ #define net_packet_conn_LO_IFACE \ - LO_FUNC(ssize_t, sendto, \ + LO_FUNC(error, sendto, \ void *buf, size_t len, \ struct net_ip4_addr node, uint16_t port) \ \ @@ -90,7 +78,7 @@ LO_INTERFACE(net_stream_conn); * than the given `len` (as if the Linux MSG_TRUNC flag were \ * given). \ */ \ - LO_FUNC(ssize_t, recvfrom, \ + LO_FUNC(size_t_or_error, recvfrom, \ void *buf, size_t len, \ struct net_ip4_addr *ret_node, uint16_t *ret_port) \ \ @@ -125,7 +113,7 @@ struct net_iface_config { LO_FUNC(void , ifdown ) \ \ LO_FUNC(lo_interface net_stream_listener, tcp_listen, uint16_t local_port) \ - LO_FUNC(lo_interface net_stream_conn , tcp_dial , struct net_ip4_addr remote_node, uint16_t remote_port) \ + LO_FUNC(net_stream_conn_or_error , tcp_dial , struct net_ip4_addr remote_node, uint16_t remote_port) \ LO_FUNC(lo_interface net_packet_conn , udp_conn , uint16_t local_port) \ \ /** FIXME: arp_ping should probably have an explicit timeout or something. */ \ |