Straightn http client generation

[citadel.git] / citadel / event_client.h

diff --git a/citadel/event_client.h b/citadel/event_client.h
index b2c368db2400c7d6bacd93b8df58a9271ff36c49..9c4fd2ba143806ce50bc529f6f94e8048e4d4c38 100644 (file)
--- a/citadel/event_client.h
+++ b/citadel/event_client.h
@@ -1,6 +1,7 @@
 #ifndef __EVENT_CLIENT_H__
 #define __EVENT_CLIENT_H__
 #define EV_COMPAT3 0
+#include "sysconfig.h"
 #include <ev.h>
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -14,13 +15,19 @@ typedef struct AsyncIO AsyncIO;
 typedef enum _eNextState {
        eSendDNSQuery,
        eReadDNSReply,
+
        eDBQuery,
+
        eConnect,
        eSendReply, 
        eSendMore,
+       eSendFile,
+
        eReadMessage, 
        eReadMore,
        eReadPayload,
+       eReadFile,
+
        eTerminateConnection,
        eAbort
 }eNextState;
@@ -71,7 +78,23 @@ typedef struct _evcurl_request_data
        long               httpcode;
 } evcurl_request_data;
 
+/* DNS Related */
+typedef struct __evcares_data {
+       ev_io recv_event, 
+               send_event;
+       ev_timer timeout;           /* timeout while requesting ips */
+#ifdef DEBUG_CARES
+       short int SourcePort;
+#endif
+       struct ares_options Options;
+       ares_channel Channel;
+       DNSQueryParts *Query;
+       
+       IO_CallBack Fail;      /* the dns lookup didn't work out. */
+} evcares_data;
+
 struct AsyncIO {
+       long ID;
                eNextState NextState;
 
        /* connection related */
@@ -82,6 +105,8 @@ struct AsyncIO {
        IOBuffer SendBuf, 
                RecvBuf;
 
+       FDIOBuffer IOB; /* when sending from / reading into files, this is used. */
+
        /* our events... */
        ev_cleanup abort_by_shutdown, /* server wants to go down... */
                db_abort_by_shutdown; /* server wants to go down... */
@@ -102,25 +127,20 @@ struct AsyncIO {
                Terminate,    /* shutting down... */
                Timeout,      /* Timeout handler; may also be connection timeout */
                ConnFail,     /* What to do when one connection failed? */
-               DNSFail,      /* the dns lookup didn't work out. */
                ShutdownAbort,/* we're going down. make your piece. */ 
                NextDBOperation; /* Perform Database IO */
 
        IO_LineReaderCallback LineReader; /* if we have linereaders, maybe we want to read more lines before the real application logic is called? */
 
-       /* DNS Related */
-       ev_io dns_recv_event, 
-               dns_send_event;
-       struct ares_options DNSOptions;
-       ares_channel DNSChannel;
-       DNSQueryParts *DNSQuery;
-       
+       evcares_data DNS;
+
        evcurl_request_data HttpReq;
 
        /* Saving / loading a message async from / to disk */
        ReadAsyncMsg *ReadMsg;
        struct CtdlMessage *AsyncMsg;
        struct recptypes *AsyncRcp;
+
        /* Custom data; its expected to contain  AsyncIO so we can save malloc()s... */
        void *Data;        /* application specific data */
        void *CitContext;  /* Citadel Session context... */
@@ -131,18 +151,24 @@ typedef struct _IOAddHandler {
        IO_CallBack EvAttch;
 }IOAddHandler; 
 
+#define CCID ((CitContext*)IO->CitContext)->cs_pid
+#define EV_syslog(LEVEL, FORMAT, ...) syslog(LEVEL, "IO[%ld]CC[%d]" FORMAT, IO->ID, CCID, __VA_ARGS__)
+#define EVM_syslog(LEVEL, FORMAT) syslog(LEVEL, "IO[%ld]CC[%d]" FORMAT, IO->ID, CCID)
+
+#define EVNC_syslog(LEVEL, FORMAT, ...) syslog(LEVEL, "IO[%ld]" FORMAT, IO->ID, __VA_ARGS__)
+#define EVNCM_syslog(LEVEL, FORMAT) syslog(LEVEL, "IO[%ld]" FORMAT, IO->ID)
+
 void FreeAsyncIOContents(AsyncIO *IO);
 
 eNextState NextDBOperation(AsyncIO *IO, IO_CallBack CB);
 eNextState QueueDBOperation(AsyncIO *IO, IO_CallBack CB);
 eNextState QueueEventContext(AsyncIO *IO, IO_CallBack CB);
-int ShutDownEventQueue(void);
+eNextState QueueCurlContext(AsyncIO *IO);
 
-eNextState InitEventIO(AsyncIO *IO, 
-                      void *pData, 
-                      double conn_timeout, 
-                      double first_rw_timeout,
-                      int ReadFirst);
+eNextState EvConnectSock(AsyncIO *IO, 
+                        double conn_timeout, 
+                        double first_rw_timeout,
+                        int ReadFirst);
 void IO_postdns_callback(struct ev_loop *loop, ev_idle *watcher, int revents);
 
 int QueueQuery(ns_type Type, const char *name, AsyncIO *IO, DNSQueryParts *QueryParts, IO_CallBack PostDNS);
@@ -167,17 +193,27 @@ void InitC_ares_dns(AsyncIO *IO);
                        syslog(LOG_ERR, "error setting option " #s " on curl handle: %s", curl_easy_strerror(sta)); \
        } } while (0)
 
-
-int evcurl_init(AsyncIO *IO, 
-               void *CustomData, 
-               const char* Desc,
-               IO_CallBack CallBack, 
-               IO_CallBack Terminate);
+void InitIOStruct(AsyncIO *IO,
+                 void *Data,
+                 eNextState NextState,
+                 IO_LineReaderCallback LineReader,
+                 IO_CallBack DNS_Fail,
+                 IO_CallBack SendDone,
+                 IO_CallBack ReadDone,
+                 IO_CallBack Terminate,
+                 IO_CallBack ConnFail,
+                 IO_CallBack Timeout,
+                 IO_CallBack ShutdownAbort);
+
+int InitcURLIOStruct(AsyncIO *IO,
+                    void *Data,
+                    const char* Desc,
+                    IO_CallBack SendDone,
+                    IO_CallBack Terminate,
+                    IO_CallBack ShutdownAbort);
 
 eNextState ReAttachIO(AsyncIO *IO, 
                      void *pData, 
                      int ReadFirst);
 
-void evcurl_handle_start(AsyncIO *IO);
-
 #endif /* __EVENT_CLIENT_H__ */