Port `core:net` to FreeBSD

1 files changed, 191 insertions, 0 deletions

diff --git a/core/net/errors_freebsd.odin b/core/net/errors_freebsd.odin
new file mode 100644
index 000000000..5f11c2dee
--- /dev/null
+++ b/core/net/errors_freebsd.odin
@@ -0,0 +1,191 @@
+//+build freebsd
+package net
+
+import "core:c"
+import "core:sys/freebsd"
+
+Create_Socket_Error :: enum c.int {
+	None                                 = 0,
+	Access_Denied                        = cast(c.int)freebsd.Errno.EACCES,
+	Family_Not_Supported_For_This_Socket = cast(c.int)freebsd.Errno.EAFNOSUPPORT,
+	Full_Per_Process_Descriptor_Table    = cast(c.int)freebsd.Errno.EMFILE,
+	Full_System_File_Table               = cast(c.int)freebsd.Errno.ENFILE,
+	Insufficient_Buffer_Space            = cast(c.int)freebsd.Errno.ENOBUFS,
+	Insufficient_Permission              = cast(c.int)freebsd.Errno.EPERM,
+	Protocol_Unsupported_In_Family       = cast(c.int)freebsd.Errno.EPROTONOSUPPORT,
+	Socket_Type_Unsupported_By_Protocol  = cast(c.int)freebsd.Errno.EPROTOTYPE,
+}
+
+Dial_Error :: enum c.int {
+	None                        = 0,
+	Port_Required               = -1,
+	Not_Descriptor              = cast(c.int)freebsd.Errno.EBADF,
+	Invalid_Namelen             = cast(c.int)freebsd.Errno.EINVAL,
+	Not_Socket                  = cast(c.int)freebsd.Errno.ENOTSOCK,
+	Address_Unavailable         = cast(c.int)freebsd.Errno.EADDRNOTAVAIL,
+	Wrong_Family_For_Socket     = cast(c.int)freebsd.Errno.EAFNOSUPPORT,
+	Already_Connected           = cast(c.int)freebsd.Errno.EISCONN,
+	Timeout                     = cast(c.int)freebsd.Errno.ETIMEDOUT,
+	Refused_By_Remote_Host      = cast(c.int)freebsd.Errno.ECONNREFUSED,
+	// `Refused` alias for core:net tests.
+	Refused                     = cast(c.int)freebsd.Errno.ECONNREFUSED,
+	Reset_By_Remote_Host        = cast(c.int)freebsd.Errno.ECONNRESET,
+	Network_Unreachable         = cast(c.int)freebsd.Errno.ENETUNREACH,
+	Host_Unreachable            = cast(c.int)freebsd.Errno.EHOSTUNREACH,
+	Address_In_Use              = cast(c.int)freebsd.Errno.EADDRINUSE,
+	Invalid_Address_Space       = cast(c.int)freebsd.Errno.EFAULT,
+	In_Progress                 = cast(c.int)freebsd.Errno.EINPROGRESS,
+	Interrupted_By_Signal       = cast(c.int)freebsd.Errno.EINTR,
+	Previous_Attempt_Incomplete = cast(c.int)freebsd.Errno.EALREADY,
+	Broadcast_Unavailable       = cast(c.int)freebsd.Errno.EACCES,
+	Auto_Port_Unavailable       = cast(c.int)freebsd.Errno.EAGAIN,
+
+	// NOTE: There are additional connect() error possibilities, but they are
+	// strictly for addresses in the UNIX domain.
+}
+
+Bind_Error :: enum c.int {
+	None                         = 0,
+	Kernel_Resources_Unavailable = cast(c.int)freebsd.Errno.EAGAIN,
+	Not_Descriptor               = cast(c.int)freebsd.Errno.EBADF,
+
+	// NOTE: bind() can also return EINVAL if the underlying `addrlen` is an
+	// invalid length for the address family. This shouldn't happen for the net
+	// package, but it's worth noting.
+	Already_Bound                = cast(c.int)freebsd.Errno.EINVAL,
+	Not_Socket                   = cast(c.int)freebsd.Errno.ENOTSOCK,
+	Given_Nonlocal_Address       = cast(c.int)freebsd.Errno.EADDRNOTAVAIL,
+	Address_In_Use               = cast(c.int)freebsd.Errno.EADDRINUSE,
+	Address_Family_Mismatch      = cast(c.int)freebsd.Errno.EAFNOSUPPORT,
+	Protected_Address            = cast(c.int)freebsd.Errno.EACCES,
+	Invalid_Address_Space        = cast(c.int)freebsd.Errno.EFAULT,
+
+	// NOTE: There are additional bind() error possibilities, but they are
+	// strictly for addresses in the UNIX domain.
+}
+
+Listen_Error :: enum c.int {
+	None                                    = 0,
+	Not_Descriptor                          = cast(c.int)freebsd.Errno.EBADF,
+	Socket_Not_Bound                        = cast(c.int)freebsd.Errno.EDESTADDRREQ,
+	Already_Connected                       = cast(c.int)freebsd.Errno.EINVAL,
+	Not_Socket                              = cast(c.int)freebsd.Errno.ENOTSOCK,
+	Listening_Not_Supported_For_This_Socket = cast(c.int)freebsd.Errno.EOPNOTSUPP,
+}
+
+Accept_Error :: enum c.int {
+	None                              = 0,
+	Not_Descriptor                    = cast(c.int)freebsd.Errno.EBADF,
+	Interrupted                       = cast(c.int)freebsd.Errno.EINTR,
+	Full_Per_Process_Descriptor_Table = cast(c.int)freebsd.Errno.EMFILE,
+	Full_System_File_Table            = cast(c.int)freebsd.Errno.ENFILE,
+	Not_Socket                        = cast(c.int)freebsd.Errno.ENOTSOCK,
+	Listen_Not_Called_On_Socket_Yet   = cast(c.int)freebsd.Errno.EINVAL,
+	Address_Not_Writable              = cast(c.int)freebsd.Errno.EFAULT,
+
+	// NOTE: This is the same as EWOULDBLOCK.
+	No_Connections_Available          = cast(c.int)freebsd.Errno.EAGAIN,
+
+	New_Connection_Aborted            = cast(c.int)freebsd.Errno.ECONNABORTED,
+}
+
+TCP_Recv_Error :: enum c.int {
+	None                                 = 0,
+	Not_Descriptor                       = cast(c.int)freebsd.Errno.EBADF,
+	Connection_Closed                    = cast(c.int)freebsd.Errno.ECONNRESET,
+	Not_Connected                        = cast(c.int)freebsd.Errno.ENOTCONN,
+	Not_Socket                           = cast(c.int)freebsd.Errno.ENOTSOCK,
+
+	// NOTE(Feoramund): The next two errors are only relevant for recvmsg(),
+	// but I'm including them for completeness's sake.
+	Full_Table_And_Pending_Data          = cast(c.int)freebsd.Errno.EMFILE,
+	Invalid_Message_Size                 = cast(c.int)freebsd.Errno.EMSGSIZE,
+
+	Timeout                              = cast(c.int)freebsd.Errno.EAGAIN,
+	Interrupted_By_Signal                = cast(c.int)freebsd.Errno.EINTR,
+	Buffer_Pointer_Outside_Address_Space = cast(c.int)freebsd.Errno.EFAULT,
+}
+
+UDP_Recv_Error :: enum c.int {
+	None                                 = 0,
+	Not_Descriptor                       = cast(c.int)freebsd.Errno.EBADF,
+	Connection_Closed                    = cast(c.int)freebsd.Errno.ECONNRESET,
+	Not_Connected                        = cast(c.int)freebsd.Errno.ENOTCONN,
+	Not_Socket                           = cast(c.int)freebsd.Errno.ENOTSOCK,
+
+	// NOTE(Feoramund): The next two errors are only relevant for recvmsg(),
+	// but I'm including them for completeness's sake.
+	Full_Table_And_Data_Discarded        = cast(c.int)freebsd.Errno.EMFILE,
+	Invalid_Message_Size                 = cast(c.int)freebsd.Errno.EMSGSIZE,
+
+	Timeout                              = cast(c.int)freebsd.Errno.EAGAIN,
+	Interrupted_By_Signal                = cast(c.int)freebsd.Errno.EINTR,
+	Buffer_Pointer_Outside_Address_Space = cast(c.int)freebsd.Errno.EFAULT,
+}
+
+TCP_Send_Error :: enum c.int {
+	None                              = 0,
+	Not_Descriptor                    = cast(c.int)freebsd.Errno.EBADF,
+	Broadcast_Status_Mismatch         = cast(c.int)freebsd.Errno.EACCES,
+	Not_Connected                     = cast(c.int)freebsd.Errno.ENOTCONN,
+	Not_Socket                        = cast(c.int)freebsd.Errno.ENOTSOCK,
+	Argument_In_Invalid_Address_Space = cast(c.int)freebsd.Errno.EFAULT,
+
+	Message_Size_Breaks_Atomicity     = cast(c.int)freebsd.Errno.EMSGSIZE,
+
+	/* The socket is marked non-blocking, or MSG_DONTWAIT is
+	   specified, and the requested operation would block. */
+	Would_Block                       = cast(c.int)freebsd.Errno.EAGAIN,
+
+	// NOTE: This error arises for two distinct reasons.
+	/* The system was unable to allocate an internal buffer.
+	   The operation may succeed when buffers become available. */
+
+	/* The output queue for a network interface was full.
+	   This generally indicates that the interface has stopped
+	   sending, but may be caused by transient congestion. */
+	No_Buffer_Space_Available         = cast(c.int)freebsd.Errno.ENOBUFS,
+
+	Host_Unreachable                  = cast(c.int)freebsd.Errno.EHOSTUNREACH,
+	Already_Connected                 = cast(c.int)freebsd.Errno.EISCONN,
+	ICMP_Unreachable                  = cast(c.int)freebsd.Errno.ECONNREFUSED,
+	Host_Down                         = cast(c.int)freebsd.Errno.EHOSTDOWN,
+	Network_Down                      = cast(c.int)freebsd.Errno.ENETDOWN,
+	Jailed_Socket_Tried_To_Escape     = cast(c.int)freebsd.Errno.EADDRNOTAVAIL,
+	Cannot_Send_More_Data             = cast(c.int)freebsd.Errno.EPIPE,
+}
+
+// NOTE(Feoramund): The same as TCP errors go, as far as I'm aware.
+UDP_Send_Error :: distinct TCP_Send_Error
+
+Shutdown_Manner :: enum c.int {
+	Receive = cast(c.int)freebsd.Shutdown_Method.RD,
+	Send    = cast(c.int)freebsd.Shutdown_Method.WR,
+	Both    = cast(c.int)freebsd.Shutdown_Method.RDWR,
+}
+
+Shutdown_Error :: enum c.int {
+	None           = 0,
+	Not_Descriptor = cast(c.int)freebsd.Errno.EBADF,
+	Invalid_Manner = cast(c.int)freebsd.Errno.EINVAL,
+	Not_Connected  = cast(c.int)freebsd.Errno.ENOTCONN,
+	Not_Socket     = cast(c.int)freebsd.Errno.ENOTSOCK,
+}
+
+Socket_Option_Error :: enum c.int {
+	None                                                 = 0,
+	Value_Out_Of_Range                                   = -1,
+	Not_Descriptor                                       = cast(c.int)freebsd.Errno.EBADF,
+	Not_Socket                                           = cast(c.int)freebsd.Errno.ENOTSOCK,
+	Unknown_Option_For_Level                             = cast(c.int)freebsd.Errno.ENOPROTOOPT,
+	Argument_In_Invalid_Address_Space                    = cast(c.int)freebsd.Errno.EFAULT,
+	Cannot_Install_Accept_Filter_On_Non_Listening_Socket = cast(c.int)freebsd.Errno.EINVAL,
+	System_Memory_Allocation_Failed                      = cast(c.int)freebsd.Errno.ENOMEM,
+	Insufficient_System_Resources                        = cast(c.int)freebsd.Errno.ENOBUFS,
+}
+
+Set_Blocking_Error :: enum c.int {
+	None             = 0,
+	Not_Descriptor   = cast(c.int)freebsd.Errno.EBADF,
+	Wrong_Descriptor = cast(c.int)freebsd.Errno.ENOTTY,
+}