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Code Issues Releases Wiki Activity

ircd::net::dns: Add a named logger specifically for net::dns; addl debug msgs.

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This commit is contained in:
Jason Volk 2019-03-11 18:08:46 -07:00
parent 981cdf03aa
commit ae4dc7db9b
3 changed files with 34 additions and 6 deletions
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2
include/ircd/net/dns.h
View file

@ -44,6 +44,8 @@ namespace ircd::net::dns
// (internal) generate strings for rfc1035 questions or dns::cache keys.
string_view make_SRV_key(const mutable_buffer &out, const hostport &, const opts &);
string_view unmake_SRV_key(const string_view &);
extern log::log log;
};
/// DNS resolution options

6
ircd/net.cc
View file

@ -2958,6 +2958,12 @@ const
// net/dns.h
//
decltype(ircd::net::dns::log)
ircd::net::dns::log
{
"net.dns"
};
/// Linkage for default opts
decltype(ircd::net::dns::opts_default)
ircd::net::dns::opts_default;

32
modules/s_dns_resolver.cc
View file

@ -420,6 +420,16 @@ decltype(ircd::net::dns::resolver::tags)::iterator
ircd::net::dns::resolver::remove(tag &tag,
const decltype(tags)::iterator &it)
{
log::debug
{
log, "dns tag:%u t:%u qtype:%u removing (tags:%zu sendq:%zu)",
tag.id,
tag.tries,
tag.opts.qtype,
tags.size(),
sendq.size()
};
unqueue(tag);
return it != end(tags)? tags.erase(it) : it;
}
@ -442,6 +452,16 @@ ircd::net::dns::resolver::queue_query(tag &tag)
assert(sendq.size() <= tags.size());
sendq.emplace_back(tag.id);
dock.notify_one();
log::debug
{
log, "dns tag:%u t:%u qtype:%u added to sendq (tags:%zu sendq:%zu)",
tag.id,
tag.tries,
tag.opts.qtype,
tags.size(),
sendq.size()
};
}
void
@ -451,7 +471,7 @@ ircd::net::dns::resolver::submit(tag &tag)
{
log::warning
{
net::log, "dns tag:%u submit queued because no nameserver is available.",
log, "dns tag:%u submit queued because no nameserver is available.",
tag.id
};
@ -485,12 +505,12 @@ try
thread_local char buf[128];
log::debug
{
net::log, "dns %s send tag:%u t:%u qtype:%u `%s'",
log, "dns %s send tag:%u t:%u qtype:%u `%s'",
string(buf, make_ipport(ep)),
tag.id,
tag.tries,
tag.opts.qtype,
host(tag.hp),
host(tag.hp)
};
#endif
}
@ -617,7 +637,7 @@ try
log::debug
{
net::log, "dns %s recv tag:%u t:%u qtype:%u qd:%u an:%u ns:%u ar:%u",
log, "dns %s recv tag:%u t:%u qtype:%u qd:%u an:%u ns:%u ar:%u",
string(addr_strbuf[0], make_ipport(reply_from)),
tag.id,
tag.tries,
@ -871,7 +891,7 @@ catch(const std::exception &e)
{
log::error
{
net::log, "Erroneous configuration; falling back to defaults :%s",
log, "Erroneous configuration; falling back to defaults :%s",
e.what()
};
@ -923,7 +943,7 @@ catch(const std::exception &e)
{
log::error
{
net::log, "Failed to add server '%s' :%s",
log, "Failed to add server '%s' :%s",
str,
e.what()
};