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116 lines
3.5 KiB
116 lines
3.5 KiB
/* |
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* lib/error.c Error Handling |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation version 2.1 |
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* of the License. |
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* |
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* Copyright (c) 2008 Thomas Graf <tgraf@suug.ch> |
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*/ |
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#include <netlink-private/netlink.h> |
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#include <netlink/netlink.h> |
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static const char *errmsg[NLE_MAX+1] = { |
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[NLE_SUCCESS] = "Success", |
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[NLE_FAILURE] = "Unspecific failure", |
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[NLE_INTR] = "Interrupted system call", |
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[NLE_BAD_SOCK] = "Bad socket", |
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[NLE_AGAIN] = "Try again", |
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[NLE_NOMEM] = "Out of memory", |
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[NLE_EXIST] = "Object exists", |
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[NLE_INVAL] = "Invalid input data or parameter", |
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[NLE_RANGE] = "Input data out of range", |
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[NLE_MSGSIZE] = "Message size not sufficient", |
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[NLE_OPNOTSUPP] = "Operation not supported", |
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[NLE_AF_NOSUPPORT] = "Address family not supported", |
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[NLE_OBJ_NOTFOUND] = "Object not found", |
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[NLE_NOATTR] = "Attribute not available", |
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[NLE_MISSING_ATTR] = "Missing attribute", |
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[NLE_AF_MISMATCH] = "Address family mismatch", |
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[NLE_SEQ_MISMATCH] = "Message sequence number mismatch", |
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[NLE_MSG_OVERFLOW] = "Kernel reported message overflow", |
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[NLE_MSG_TRUNC] = "Kernel reported truncated message", |
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[NLE_NOADDR] = "Invalid address for specified address family", |
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[NLE_SRCRT_NOSUPPORT] = "Source based routing not supported", |
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[NLE_MSG_TOOSHORT] = "Netlink message is too short", |
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[NLE_MSGTYPE_NOSUPPORT] = "Netlink message type is not supported", |
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[NLE_OBJ_MISMATCH] = "Object type does not match cache", |
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[NLE_NOCACHE] = "Unknown or invalid cache type", |
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[NLE_BUSY] = "Object busy", |
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[NLE_PROTO_MISMATCH] = "Protocol mismatch", |
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[NLE_NOACCESS] = "No Access", |
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[NLE_PERM] = "Operation not permitted", |
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[NLE_PKTLOC_FILE] = "Unable to open packet location file", |
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[NLE_PARSE_ERR] = "Unable to parse object", |
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[NLE_NODEV] = "No such device", |
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[NLE_IMMUTABLE] = "Immutable attribute", |
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[NLE_DUMP_INTR] = "Dump inconsistency detected, interrupted", |
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}; |
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/** |
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* Return error message for an error code |
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* @return error message |
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*/ |
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const char *nl_geterror(int error) |
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{ |
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error = abs(error); |
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if (error > NLE_MAX) |
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error = NLE_FAILURE; |
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return errmsg[error]; |
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} |
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/** |
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* Print a libnl error message |
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* @arg s error message prefix |
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* |
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* Prints the error message of the call that failed last. |
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* |
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* If s is not NULL and *s is not a null byte the argument |
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* string is printed, followed by a colon and a blank. Then |
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* the error message and a new-line. |
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*/ |
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void nl_perror(int error, const char *s) |
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{ |
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if (s && *s) |
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fprintf(stderr, "%s: %s\n", s, nl_geterror(error)); |
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else |
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fprintf(stderr, "%s\n", nl_geterror(error)); |
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} |
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int nl_syserr2nlerr(int error) |
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{ |
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error = abs(error); |
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switch (error) { |
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case EBADF: return NLE_BAD_SOCK; |
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case EADDRINUSE: return NLE_EXIST; |
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case EEXIST: return NLE_EXIST; |
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case EADDRNOTAVAIL: return NLE_NOADDR; |
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case ESRCH: /* fall through */ |
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case ENOENT: return NLE_OBJ_NOTFOUND; |
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case EINTR: return NLE_INTR; |
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case EAGAIN: return NLE_AGAIN; |
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case ENOTSOCK: return NLE_BAD_SOCK; |
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case ENOPROTOOPT: return NLE_INVAL; |
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case EFAULT: return NLE_INVAL; |
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case EACCES: return NLE_NOACCESS; |
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case EINVAL: return NLE_INVAL; |
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case ENOBUFS: return NLE_NOMEM; |
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case ENOMEM: return NLE_NOMEM; |
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case EAFNOSUPPORT: return NLE_AF_NOSUPPORT; |
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case EPROTONOSUPPORT: return NLE_PROTO_MISMATCH; |
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case EOPNOTSUPP: return NLE_OPNOTSUPP; |
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case EPERM: return NLE_PERM; |
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case EBUSY: return NLE_BUSY; |
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case ERANGE: return NLE_RANGE; |
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case ENODEV: return NLE_NODEV; |
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default: return NLE_FAILURE; |
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} |
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} |
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/** @} */ |
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