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