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684f155664
* implement basic TCP/UDP client support This implements `socket`, `connect`, `recv`, `send`, etc. in terms of `wasi-sockets` for the `wasm32-wasip2` target. I've introduced a new public header file: `__wasi_snapshot.h`, which will define a preprocessor symbol `__wasilibc_use_wasip2` if using the `wasm32-wasip2` version of the header, in which case we provide features only available for that target. Co-authored-by: Dave Bakker <github@davebakker.io> Signed-off-by: Joel Dice <joel.dice@fermyon.com> * fix grammar in __wasi_snapshot.h comment Co-authored-by: Dan Gohman <dev@sunfishcode.online> Signed-off-by: Joel Dice <joel.dice@fermyon.com> --------- Signed-off-by: Joel Dice <joel.dice@fermyon.com> Co-authored-by: Dave Bakker <github@davebakker.io> Co-authored-by: Dan Gohman <dev@sunfishcode.online>
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
#ifndef __wasi_sockets_utils_h
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#define __wasi_sockets_utils_h
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#include <netinet/in.h>
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#include <wasi/descriptor_table.h>
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typedef struct {
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enum {
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OUTPUT_SOCKADDR_NULL,
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OUTPUT_SOCKADDR_V4,
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OUTPUT_SOCKADDR_V6,
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} tag;
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union {
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struct {
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int dummy;
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} null;
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struct {
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struct sockaddr_in *addr;
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socklen_t *addrlen;
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} v4;
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struct {
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struct sockaddr_in6 *addr;
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socklen_t *addrlen;
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} v6;
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};
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} output_sockaddr_t;
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network_borrow_network_t __wasi_sockets_utils__borrow_network();
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int __wasi_sockets_utils__map_error(network_error_code_t wasi_error);
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bool __wasi_sockets_utils__parse_address(
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network_ip_address_family_t expected_family,
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const struct sockaddr *address, socklen_t len,
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network_ip_socket_address_t *result, int *error);
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bool __wasi_sockets_utils__output_addr_validate(
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network_ip_address_family_t expected_family, struct sockaddr *addr,
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socklen_t *addrlen, output_sockaddr_t *result);
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void __wasi_sockets_utils__output_addr_write(
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const network_ip_socket_address_t input, output_sockaddr_t *output);
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int __wasi_sockets_utils__posix_family(network_ip_address_family_t wasi_family);
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network_ip_socket_address_t
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__wasi_sockets_utils__any_addr(network_ip_address_family_t family);
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int __wasi_sockets_utils__tcp_bind(tcp_socket_t *socket,
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network_ip_socket_address_t *address);
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int __wasi_sockets_utils__udp_bind(udp_socket_t *socket,
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network_ip_socket_address_t *address);
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bool __wasi_sockets_utils__stream(udp_socket_t *socket,
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network_ip_socket_address_t *remote_address,
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udp_socket_streams_t *result,
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network_error_code_t *error);
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void __wasi_sockets_utils__drop_streams(udp_socket_streams_t streams);
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#endif
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