3 #include <sys/socket.h>
5 #include <arpa/nameser.h>
9 typedef struct AsyncIO AsyncIO;
11 typedef enum _eNextState {
22 typedef eNextState (*IO_CallBack)(AsyncIO *IO);
23 typedef eReadState (*IO_LineReaderCallback)(AsyncIO *IO);
24 typedef void (*ParseDNSAnswerCb)(AsyncIO*, unsigned char*, int);
25 typedef void (*FreeDNSReply)(void *DNSData);
27 typedef struct _DNSQueryParts {
28 ParseDNSAnswerCb DNS_CB;
32 void *VParsedDNSReply;
33 FreeDNSReply DNSReplyFree;
37 typedef struct _evcurl_request_data
40 char errdesc[CURL_ERROR_SIZE];
43 long PlainPostDataLen;
46 /// ParsedURL *URL; /// take from AsyncIO->ConnectMe
47 struct curl_slist * headers;
48 } evcurl_request_data;
53 /* connection related */
56 /* read/send related... */
62 ev_cleanup abort_by_shutdown; /* server wants to go down... */
63 ev_timer conn_fail, /* connection establishing timed out */
64 rw_timeout; /* timeout while sending data */
65 ev_idle unwind_stack; /* get c-ares out of the stack */
66 ev_io recv_event, /* receive data from the client */
67 send_event, /* send more data to the client */
68 conn_event; /* Connection successfully established */
70 StrBuf *ErrMsg; /* if we fail to connect, or lookup, error goes here. */
72 /* Citadel application callbacks... */
73 IO_CallBack ReadDone, /* Theres new data to read... */
74 SendDone, /* we may send more data */
75 Terminate, /* shutting down... */
76 Timeout, /* Timeout handler; may also be connection timeout */
77 ConnFail, /* What to do when one connection failed? */
78 ShutdownAbort;/* we're going down. make your piece. */
80 IO_LineReaderCallback LineReader; /* if we have linereaders, maybe we want to read more lines before the real application logic is called? */
85 struct ares_options DNSOptions;
86 ares_channel DNSChannel;
87 DNSQueryParts *DNSQuery;
89 evcurl_request_data HttpReq;
91 /* Custom data; its expected to contain AsyncIO so we can save malloc()s... */
92 void *Data; /* application specific data */
93 void *CitContext; /* Citadel Session context... */
96 typedef struct _IOAddHandler {
101 void FreeAsyncIOContents(AsyncIO *IO);
103 int QueueEventContext(AsyncIO *IO, IO_CallBack CB);
104 int ShutDownEventQueue(void);
106 eNextState InitEventIO(AsyncIO *IO,
109 double first_rw_timeout,
111 void IO_postdns_callback(struct ev_loop *loop, ev_idle *watcher, int revents);
113 int QueueQuery(ns_type Type, const char *name, AsyncIO *IO, DNSQueryParts *QueryParts, IO_CallBack PostDNS);
114 void QueueGetHostByName(AsyncIO *IO, const char *Hostname, DNSQueryParts *QueryParts, IO_CallBack PostDNS);
116 void QueryCbDone(AsyncIO *IO);
118 void StopClient(AsyncIO *IO);
120 void StopClientWatchers(AsyncIO *IO);
122 void SetNextTimeout(AsyncIO *IO, double timeout);
124 void InitC_ares_dns(AsyncIO *IO);
126 #include <curl/curl.h>
130 sta = curl_easy_setopt(chnd, (CURLOPT_##s), (v)); \
132 CtdlLogPrintf(CTDL_ERR, "error setting option " #s " on curl handle: %s", curl_easy_strerror(sta)); \
136 int evcurl_init(AsyncIO *IO,
141 void evcurl_handle_start(AsyncIO *IO);