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iwd
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monitor: Add support for custom decoding functions

This commit is contained in:
Marcel Holtmann 2014-08-10 00:07:53 -07:00
parent 55bbf22edb
commit 0394da4ce2
1 changed files with 13 additions and 1 deletions
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14
monitor/nlmon.c
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@ -147,6 +147,8 @@ static void print_hexdump(unsigned int level,
}
}
typedef void (*attr_func_t) (unsigned int level, const char *label,
const void *data, uint16_t size);
enum attr_type {
ATTR_UNSPEC,
ATTR_FLAG,
@ -161,6 +163,7 @@ enum attr_type {
ATTR_NESTED,
ATTR_ARRAY,
ATTR_FLAG_OR_U16,
ATTR_CUSTOM,
};
struct attr_entry {
@ -170,7 +173,7 @@ struct attr_entry {
union {
const struct attr_entry *nested;
enum attr_type array_type;
void (*func) (void);
attr_func_t function;
};
};
@ -700,6 +703,7 @@ static void print_attributes(int indent, const struct attr_entry *table,
enum attr_type type;
enum attr_type array_type;
const struct attr_entry *nested;
attr_func_t function;
uint64_t val64;
uint32_t val32;
uint16_t val16;
@ -720,6 +724,7 @@ static void print_attributes(int indent, const struct attr_entry *table,
type = table[i].type;
nested = table[i].nested;
array_type = table[i].array_type;
function = table[i].function;
break;
}
}
@ -816,6 +821,13 @@ static void print_attributes(int indent, const struct attr_entry *table,
} else
printf("malformed packet\n");
break;
case ATTR_CUSTOM:
if (function)
function(indent, str, NLA_DATA(nla),
NLA_PAYLOAD(nla));
else
printf("missing function\n");
break;
}
}
}