libev/libc-ares migration

[citadel.git] / citadel / event_client.h

diff --git a/citadel/event_client.h b/citadel/event_client.h
index 0e6cae95323fec8a2918ce2db7901c7959cd2b1b..39a9c11bebc57294fce34681e22484c6755a25aa 100644 (file)
--- a/citadel/event_client.h
+++ b/citadel/event_client.h
@@ -2,6 +2,8 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netdb.h>
+#include <arpa/nameser.h>
+#include <ares.h>
 
 typedef struct AsyncIO AsyncIO;
 
@@ -16,6 +18,8 @@ typedef enum _eNextState {
 typedef int (*EventContextAttach)(void *Data);
 typedef eNextState (*IO_CallBack)(void *Data);
 typedef eReadState (*IO_LineReaderCallback)(AsyncIO *IO);
+typedef void (*ParseDNSAnswerCb)(AsyncIO*, unsigned char*, int);
+typedef void (*FreeDNSReply)(void *DNSData);
 
 struct AsyncIO {
        StrBuf *Host;
@@ -49,6 +53,14 @@ struct AsyncIO {
 
        IO_LineReaderCallback LineReader; /* if we have linereaders, maybe we want to read more lines before the real application logic is called? */
 
+       struct ares_options DNSOptions;
+       ares_channel DNSChannel;
+       ParseDNSAnswerCb DNS_CB;
+       IO_CallBack PostDNS;
+       int DNSStatus;
+       void *VParsedDNSReply;
+       FreeDNSReply DNSReplyFree;
+
        /* Custom data; its expected to contain  AsyncIO so we can save malloc()s... */
        DeleteHashDataFunc DeleteData; /* so if we have to destroy you, what to do... */
        void *Data; /* application specific data */
@@ -74,3 +86,5 @@ void InitEventIO(AsyncIO *IO,
                 IO_CallBack CustomDNS,
                 IO_LineReaderCallback LineReader,
                 int ReadFirst);
+
+int QueueQuery(ns_type Type, char *name, AsyncIO *IO, IO_CallBack PostDNS);