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      1 /*	$NetBSD: uverr2result.c,v 1.1 2024/02/18 20:57:55 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
      5  *
      6  * SPDX-License-Identifier: MPL-2.0
      7  *
      8  * This Source Code Form is subject to the terms of the Mozilla Public
      9  * License, v. 2.0. If a copy of the MPL was not distributed with this
     10  * file, you can obtain one at https://mozilla.org/MPL/2.0/.
     11  *
     12  * See the COPYRIGHT file distributed with this work for additional
     13  * information regarding copyright ownership.
     14  */
     15 
     16 #include <stdbool.h>
     17 #include <uv.h>
     18 
     19 #include <isc/result.h>
     20 #include <isc/strerr.h>
     21 #include <isc/string.h>
     22 #include <isc/util.h>
     23 
     24 #include "netmgr-int.h"
     25 
     26 /*%
     27  * Convert a libuv error value into an isc_result_t.  The
     28  * list of supported error values is not complete; new users
     29  * of this function should add any expected errors that are
     30  * not already there.
     31  */
     32 isc_result_t
     33 isc___nm_uverr2result(int uverr, bool dolog, const char *file,
     34 		      unsigned int line, const char *func) {
     35 	switch (uverr) {
     36 	case 0:
     37 		return (ISC_R_SUCCESS);
     38 	case UV_ENOTDIR:
     39 	case UV_ELOOP:
     40 	case UV_EINVAL: /* XXX sometimes this is not for files */
     41 	case UV_ENAMETOOLONG:
     42 	case UV_EBADF:
     43 		return (ISC_R_INVALIDFILE);
     44 	case UV_ENOENT:
     45 		return (ISC_R_FILENOTFOUND);
     46 	case UV_EAGAIN:
     47 		return (ISC_R_NOCONN);
     48 	case UV_EACCES:
     49 	case UV_EPERM:
     50 		return (ISC_R_NOPERM);
     51 	case UV_EEXIST:
     52 		return (ISC_R_FILEEXISTS);
     53 	case UV_EIO:
     54 		return (ISC_R_IOERROR);
     55 	case UV_ENOMEM:
     56 		return (ISC_R_NOMEMORY);
     57 	case UV_ENFILE:
     58 	case UV_EMFILE:
     59 		return (ISC_R_TOOMANYOPENFILES);
     60 	case UV_ENOSPC:
     61 		return (ISC_R_DISCFULL);
     62 	case UV_EPIPE:
     63 	case UV_ECONNRESET:
     64 	case UV_ECONNABORTED:
     65 		return (ISC_R_CONNECTIONRESET);
     66 	case UV_ENOTCONN:
     67 		return (ISC_R_NOTCONNECTED);
     68 	case UV_ETIMEDOUT:
     69 		return (ISC_R_TIMEDOUT);
     70 	case UV_ENOBUFS:
     71 		return (ISC_R_NORESOURCES);
     72 	case UV_EAFNOSUPPORT:
     73 		return (ISC_R_FAMILYNOSUPPORT);
     74 	case UV_ENETDOWN:
     75 		return (ISC_R_NETDOWN);
     76 	case UV_EHOSTDOWN:
     77 		return (ISC_R_HOSTDOWN);
     78 	case UV_ENETUNREACH:
     79 		return (ISC_R_NETUNREACH);
     80 	case UV_EHOSTUNREACH:
     81 		return (ISC_R_HOSTUNREACH);
     82 	case UV_EADDRINUSE:
     83 		return (ISC_R_ADDRINUSE);
     84 	case UV_EADDRNOTAVAIL:
     85 		return (ISC_R_ADDRNOTAVAIL);
     86 	case UV_ECONNREFUSED:
     87 		return (ISC_R_CONNREFUSED);
     88 	case UV_ECANCELED:
     89 		return (ISC_R_CANCELED);
     90 	case UV_EOF:
     91 		return (ISC_R_EOF);
     92 	case UV_EMSGSIZE:
     93 		return (ISC_R_MAXSIZE);
     94 	case UV_ENOTSUP:
     95 		return (ISC_R_FAMILYNOSUPPORT);
     96 	default:
     97 		if (dolog) {
     98 			UNEXPECTED_ERROR(
     99 				file, line,
    100 				"unable to convert libuv "
    101 				"error code in %s to isc_result: %d: %s",
    102 				func, uverr, uv_strerror(uverr));
    103 		}
    104 		return (ISC_R_UNEXPECTED);
    105 	}
    106 }
    107