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93 lines
2.5 KiB
Odin
93 lines
2.5 KiB
Odin
/*
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Copyright 2022 Tetralux <tetraluxonpc@gmail.com>
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Copyright 2022 Colin Davidson <colrdavidson@gmail.com>
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Copyright 2022 Jeroen van Rijn <nom@duclavier.com>.
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Made available under Odin's BSD-3 license.
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List of contributors:
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Tetralux: Initial implementation
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Colin Davidson: Linux platform code, OSX platform code, Odin-native DNS resolver
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Jeroen van Rijn: Cross platform unification, code style, documentation
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*/
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/*
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Package net implements cross-platform Berkeley Sockets, DNS resolution and associated procedures.
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For other protocols and their features, see subdirectories of this package.
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*/
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package net
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import "core:os"
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// Returns an address for each interface that can be bound to.
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get_network_interfaces :: proc() -> []Address {
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// TODO
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return nil
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}
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@private
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endpoint_to_sockaddr :: proc(ep: Endpoint) -> (sockaddr: os.SOCKADDR_STORAGE_LH) {
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switch a in ep.address {
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case IP4_Address:
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(^os.sockaddr_in)(&sockaddr)^ = os.sockaddr_in {
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sin_port = u16be(ep.port),
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sin_addr = transmute(os.in_addr) a,
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sin_family = u16(os.AF_INET),
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}
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return
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case IP6_Address:
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(^os.sockaddr_in6)(&sockaddr)^ = os.sockaddr_in6 {
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sin6_port = u16be(ep.port),
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sin6_addr = transmute(os.in6_addr) a,
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sin6_family = u16(os.AF_INET6),
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}
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return
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}
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unreachable()
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}
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sockaddr_storage_to_endpoint :: proc(native_addr: ^os.SOCKADDR_STORAGE_LH) -> (ep: Endpoint) {
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switch native_addr.ss_family {
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case u16(os.AF_INET):
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addr := cast(^os.sockaddr_in) native_addr
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port := int(addr.sin_port)
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ep = Endpoint {
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address = IP4_Address(transmute([4]byte) addr.sin_addr),
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port = port,
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}
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case u16(os.AF_INET6):
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addr := cast(^os.sockaddr_in6) native_addr
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port := int(addr.sin6_port)
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ep = Endpoint {
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address = IP6_Address(transmute([8]u16be) addr.sin6_addr),
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port = port,
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}
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case:
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panic("native_addr is neither IP4 or IP6 address")
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}
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return
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}
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sockaddr_basic_to_endpoint :: proc(native_addr: ^os.SOCKADDR) -> (ep: Endpoint) {
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switch native_addr.sa_family {
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case u16(os.AF_INET):
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addr := cast(^os.sockaddr_in) native_addr
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port := int(addr.sin_port)
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ep = Endpoint {
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address = IP4_Address(transmute([4]byte) addr.sin_addr),
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port = port,
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}
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case u16(os.AF_INET6):
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addr := cast(^os.sockaddr_in6) native_addr
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port := int(addr.sin6_port)
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ep = Endpoint {
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address = IP6_Address(transmute([8]u16be) addr.sin6_addr),
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port = port,
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}
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case:
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//panic("native_addr is neither IP4 or IP6 address")
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return {}
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}
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return
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}
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sockaddr_to_endpoint :: proc { sockaddr_basic_to_endpoint, sockaddr_storage_to_endpoint } |