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authorMattes D <github@xoft.cz>2015-01-18 12:35:02 +0100
committerMattes D <github@xoft.cz>2015-01-22 20:13:02 +0100
commitd4682463a1d503c349ac95e275b11d67d402268c (patch)
treede3167d2b81eb909a419c1355021353e00e71074 /src/OSSupport/IPLookup.cpp
parentcNetwork: Split the main cpp file into several files. (diff)
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Diffstat (limited to 'src/OSSupport/IPLookup.cpp')
-rw-r--r--src/OSSupport/IPLookup.cpp32
1 files changed, 26 insertions, 6 deletions
diff --git a/src/OSSupport/IPLookup.cpp b/src/OSSupport/IPLookup.cpp
index bbcfbfe40..a52b6480b 100644
--- a/src/OSSupport/IPLookup.cpp
+++ b/src/OSSupport/IPLookup.cpp
@@ -15,14 +15,31 @@
////////////////////////////////////////////////////////////////////////////////
// cIPLookup:
-cIPLookup::cIPLookup(const AString & a_IP, cNetwork::cResolveNameCallbacksPtr a_Callbacks):
- m_Callbacks(a_Callbacks),
- m_IP(a_IP)
+cIPLookup::cIPLookup(cNetwork::cResolveNameCallbacksPtr a_Callbacks):
+ m_Callbacks(a_Callbacks)
{
+ ASSERT(a_Callbacks != nullptr);
+}
+
+
+
+
+
+bool cIPLookup::Lookup(const AString & a_IP)
+{
+ // Parse the IP address string into a sockaddr structure:
+ m_IP = a_IP;
sockaddr_storage sa;
int salen = static_cast<int>(sizeof(sa));
memset(&sa, 0, sizeof(sa));
- evutil_parse_sockaddr_port(a_IP.c_str(), reinterpret_cast<sockaddr *>(&sa), &salen);
+ if (evutil_parse_sockaddr_port(a_IP.c_str(), reinterpret_cast<sockaddr *>(&sa), &salen) != 0)
+ {
+ LOGD("Failed to parse IP address \"%s\".", a_IP.c_str());
+ return false;
+ }
+
+ // Call the proper resolver based on the address family:
+ // Note that there's no need to store the evdns_request handle returned, LibEvent frees it on its own.
switch (sa.ss_family)
{
case AF_INET:
@@ -41,9 +58,10 @@ cIPLookup::cIPLookup(const AString & a_IP, cNetwork::cResolveNameCallbacksPtr a_
{
LOGWARNING("%s: Unknown address family: %d", __FUNCTION__, sa.ss_family);
ASSERT(!"Unknown address family");
- break;
+ return false;
}
} // switch (address family)
+ return true;
}
@@ -83,7 +101,9 @@ bool cNetwork::IPToHostName(
cNetwork::cResolveNameCallbacksPtr a_Callbacks
)
{
- return cNetworkSingleton::Get().IPToHostName(a_IP, a_Callbacks);
+ auto res = std::make_shared<cIPLookup>(a_Callbacks);
+ cNetworkSingleton::Get().AddIPLookup(res);
+ return res->Lookup(a_IP);
}