expire internal DNS name cache entries after 5 minutes (this way a master server...

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@5806 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/lhnet.c b/lhnet.c
index 89b47df48075874255fb358863215b64f4128115..89438c5edb465bf674227c52413669b33344352e 100644 (file)
--- a/lhnet.c
+++ b/lhnet.c
@@ -37,6 +37,7 @@
 static struct namecache_s
 {
        lhnetaddress_t address;
+       double expirationtime;
        char name[64];
 }
 namecache[MAX_NAMECACHE];
@@ -126,7 +127,7 @@ int LHNETADDRESS_FromString(lhnetaddress_t *address, const char *string, int def
        for (i = 0;i < MAX_NAMECACHE;i++)
                if (!strcmp(namecache[i].name, name))
                        break;
-       if (i < MAX_NAMECACHE)
+       if (i < MAX_NAMECACHE && Sys_DoubleTime() < namecache[i].expirationtime)
        {
                *address = namecache[i].address;
                if (address->addresstype == LHNETADDRESSTYPE_INET6)
@@ -155,6 +156,7 @@ int LHNETADDRESS_FromString(lhnetaddress_t *address, const char *string, int def
                        for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
                                namecache[namecacheposition].name[i] = name[i];
                        namecache[namecacheposition].name[i] = 0;
+                       namecache[namecacheposition].expirationtime = Sys_DoubleTime() + 300;
                        namecache[namecacheposition].address = *address;
                        namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
 #ifdef STANDALONETEST
@@ -172,6 +174,7 @@ int LHNETADDRESS_FromString(lhnetaddress_t *address, const char *string, int def
                        for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
                                namecache[namecacheposition].name[i] = name[i];
                        namecache[namecacheposition].name[i] = 0;
+                       namecache[namecacheposition].expirationtime = Sys_DoubleTime() + 300;
                        namecache[namecacheposition].address = *address;
                        namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
 #ifdef STANDALONETEST
@@ -186,6 +189,7 @@ int LHNETADDRESS_FromString(lhnetaddress_t *address, const char *string, int def
        for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
                namecache[namecacheposition].name[i] = name[i];
        namecache[namecacheposition].name[i] = 0;
+       namecache[namecacheposition].expirationtime = Sys_DoubleTime() + 300;
        namecache[namecacheposition].address.addresstype = LHNETADDRESSTYPE_NONE;
        namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
        return 0;