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monitor: Separate nlmsg and rtnl printing functions

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To track RTNL wlan related messages separating nlmsg and rtnl
message printing functios.
This commit is contained in:
Ravi kumar Veeramally 2015-02-03 14:53:10 +02:00 committed by Denis Kenzior
parent 3d251562f8
commit e5b25c2cac
1 changed files with 76 additions and 50 deletions
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126
monitor/nlmon.c
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@ -1881,14 +1881,6 @@ static void print_message(const struct timeval *tv, enum msg_type type,
}
}
static void print_nlmsghdr(const struct nlmsghdr *hdr)
{
print_field("Flags: %d (0x%03x)", hdr->nlmsg_flags, hdr->nlmsg_flags);
print_field("Sequence number: %d (0x%08x)",
hdr->nlmsg_seq, hdr->nlmsg_seq);
print_field("Port ID: %d", hdr->nlmsg_pid);
}
struct nlmon_req_match {
uint32_t seq;
uint32_t pid;
@ -2140,6 +2132,72 @@ static const char *nlmsg_type_to_str(uint32_t msg_type)
return str;
}
static void print_nlmsghdr(const struct timeval *tv,
const struct nlmsghdr *nlmsg)
{
char extra_str[32];
const char *str;
bool out;
str = nlmsg_type_to_str(nlmsg->nlmsg_type);
out = !!(nlmsg->nlmsg_flags & NLM_F_REQUEST);
netlink_str(extra_str, sizeof(extra_str), nlmsg->nlmsg_type,
nlmsg->nlmsg_flags, NLMSG_PAYLOAD(nlmsg, 0));
print_packet(tv, out ? '<' : '>', COLOR_YELLOW, "RTNL", str, extra_str);
print_field("Flags: %d (0x%03x)", nlmsg->nlmsg_flags,
nlmsg->nlmsg_flags);
print_field("Sequence number: %d (0x%08x)",
nlmsg->nlmsg_seq, nlmsg->nlmsg_seq);
print_field("Port ID: %d", nlmsg->nlmsg_pid);
}
static void print_nlmsg(const struct timeval *tv, const struct nlmsghdr *nlmsg)
{
struct nlmsgerr *err;
int status;
print_nlmsghdr(tv, nlmsg);
switch (nlmsg->nlmsg_type) {
case NLMSG_ERROR:
err = NLMSG_DATA(nlmsg);
status = -err->error;
if (status < 0)
print_field("Error: %d (%s)", status, strerror(status));
else
print_field("ACK: %d", status);
break;
case NLMSG_DONE:
status = *((int *) NLMSG_DATA(nlmsg));
print_field("Status: %d", status);
break;
case NLMSG_NOOP:
case NLMSG_OVERRUN:
break;
}
}
static void print_rtnl_msg(const struct timeval *tv,
const struct nlmsghdr *nlmsg)
{
switch (nlmsg->nlmsg_type) {
case RTM_NEWLINK:
case RTM_DELLINK:
case RTM_SETLINK:
case RTM_GETLINK:
case RTM_NEWADDR:
case RTM_DELADDR:
case RTM_GETADDR:
print_nlmsghdr(tv, nlmsg);
break;
}
}
void nlmon_print_rtnl(struct nlmon *nlmon, const struct timeval *tv,
const void *data, uint32_t size)
{
@ -2150,54 +2208,22 @@ void nlmon_print_rtnl(struct nlmon *nlmon, const struct timeval *tv,
for (nlmsg = data; NLMSG_OK(nlmsg, aligned_size);
nlmsg = NLMSG_NEXT(nlmsg, aligned_size)) {
const struct ifinfomsg *ifi;
char extra_str[32];
const char *str;
bool out;
int status;
struct nlmsgerr *err;
str = nlmsg_type_to_str(nlmsg->nlmsg_type);
out = !!(nlmsg->nlmsg_flags & NLM_F_REQUEST);
netlink_str(extra_str, sizeof(extra_str),
nlmsg->nlmsg_type,
nlmsg->nlmsg_flags,
NLMSG_PAYLOAD(nlmsg, 0));
print_packet(tv, out ? '<' : '>',
COLOR_YELLOW, "RTNL", str, extra_str);
print_nlmsghdr(nlmsg);
switch (nlmsg->nlmsg_type) {
case RTM_SETLINK:
ifi = NLMSG_DATA(nlmsg);
print_field("Interface Index: %d", ifi->ifi_index);
print_hexdump(0, NLMSG_DATA(nlmsg) +
NLMSG_ALIGN(sizeof(*ifi)),
NLMSG_PAYLOAD(nlmsg, sizeof(*ifi)));
break;
case NLMSG_NOOP:
case NLMSG_OVERRUN:
break;
case NLMSG_ERROR:
err = NLMSG_DATA(nlmsg);
status = -err->error;
if (status < 0)
print_field("Error: %d (%s)", status,
strerror(status));
else
print_field("ACK: %d", status);
case NLMSG_DONE:
print_nlmsg(tv, nlmsg);
break;
case NLMSG_DONE:
status = *((int *) NLMSG_DATA(nlmsg));
print_field("Status: %d", status);
case RTM_NEWLINK:
case RTM_DELLINK:
case RTM_SETLINK:
case RTM_GETLINK:
case RTM_NEWADDR:
case RTM_DELADDR:
case RTM_GETADDR:
print_rtnl_msg(tv, nlmsg);
break;
}
}