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 struct curl_slist *headers;
41 char errdesc[CURL_ERROR_SIZE];
46 long PlainPostDataLen;
51 } evcurl_request_data;
56 /* connection related */
59 /* read/send related... */
65 ev_cleanup abort_by_shutdown; /* server wants to go down... */
66 ev_timer conn_fail, /* connection establishing timed out */
67 rw_timeout; /* timeout while sending data */
68 ev_idle unwind_stack; /* get c-ares out of the stack */
69 ev_io recv_event, /* receive data from the client */
70 send_event, /* send more data to the client */
71 conn_event; /* Connection successfully established */
73 StrBuf *ErrMsg; /* if we fail to connect, or lookup, error goes here. */
75 /* Citadel application callbacks... */
76 IO_CallBack ReadDone, /* Theres new data to read... */
77 SendDone, /* we may send more data */
78 Terminate, /* shutting down... */
79 Timeout, /* Timeout handler; may also be connection timeout */
80 ConnFail, /* What to do when one connection failed? */
81 ShutdownAbort;/* we're going down. make your piece. */
83 IO_LineReaderCallback LineReader; /* if we have linereaders, maybe we want to read more lines before the real application logic is called? */
88 struct ares_options DNSOptions;
89 ares_channel DNSChannel;
90 DNSQueryParts *DNSQuery;
92 evcurl_request_data HttpReq;
94 /* Custom data; its expected to contain AsyncIO so we can save malloc()s... */
95 void *Data; /* application specific data */
96 void *CitContext; /* Citadel Session context... */
99 typedef struct _IOAddHandler {
104 void FreeAsyncIOContents(AsyncIO *IO);
106 int QueueEventContext(AsyncIO *IO, IO_CallBack CB);
107 int ShutDownEventQueue(void);
109 eNextState InitEventIO(AsyncIO *IO,
112 double first_rw_timeout,
114 void IO_postdns_callback(struct ev_loop *loop, ev_idle *watcher, int revents);
116 int QueueQuery(ns_type Type, const char *name, AsyncIO *IO, DNSQueryParts *QueryParts, IO_CallBack PostDNS);
117 void QueueGetHostByName(AsyncIO *IO, const char *Hostname, DNSQueryParts *QueryParts, IO_CallBack PostDNS);
119 void QueryCbDone(AsyncIO *IO);
121 void StopClient(AsyncIO *IO);
123 void StopClientWatchers(AsyncIO *IO);
125 void SetNextTimeout(AsyncIO *IO, double timeout);
127 void InitC_ares_dns(AsyncIO *IO);
129 #include <curl/curl.h>
133 sta = curl_easy_setopt(chnd, (CURLOPT_##s), (v)); \
135 CtdlLogPrintf(CTDL_ERR, "error setting option " #s " on curl handle: %s", curl_easy_strerror(sta)); \
139 int evcurl_init(AsyncIO *IO,
142 IO_CallBack CallBack);
144 void evcurl_handle_start(AsyncIO *IO);