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/* |
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* Copyright © 2005 Atheme Development Group |
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* Rights to this code are as documented in doc/pod/license.pod. |
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* |
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* This contains the connection_t structure. |
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* |
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* $Id: connection.h,v 1.1 2007-07-19 08:24:50 pippijn Exp $ |
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*/ |
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|
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#ifndef CONNECTION_H |
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#define CONNECTION_H |
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|
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#include <deque> |
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|
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#include <common/util.h> |
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#include <common/callback.h> |
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|
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#define SENDQSIZE (4096 - 40) |
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|
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/* packetqueue struct */ |
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struct packetqueue |
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{ |
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node_t node; |
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int firstused; /* offset of first used byte */ |
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int firstfree; /* 1 + offset of last used byte */ |
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char buf[SENDQSIZE]; |
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|
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packetqueue () |
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: firstused (0), firstfree (0) |
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{ |
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} |
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}; |
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|
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struct connection_t : has_callbacks, zero_initialised |
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{ |
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typedef std::deque<packetqueue *> queue; |
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|
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char name[HOSTLEN]; |
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char hbuf[BUFSIZE + 1]; |
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|
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queue recvq; |
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queue sendq; |
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|
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int fd; |
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int pollslot; |
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|
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time_t first_recv; |
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time_t last_recv; |
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|
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struct sockaddr_in *sa; |
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struct sockaddr saddr; |
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unsigned int saddr_size; |
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|
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void (*read_handler) (connection_t *); |
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void (*write_handler) (connection_t *); |
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|
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unsigned int flags; |
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|
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void (*recvq_handler) (connection_t *); |
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void (*close_handler) (connection_t *); |
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connection_t *listener; |
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void *userdata; |
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|
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struct callbacks:has_callbacks::callbacks |
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{ |
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callback::event1<connection_t *> connected; |
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}; |
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|
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static callbacks callback; |
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|
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private: |
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void _destroy () |
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{ |
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delete this; |
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} |
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}; |
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|
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#define CF_UPLINK 0x00000001 |
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#define CF_DCCOUT 0x00000002 |
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#define CF_DCCIN 0x00000004 |
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|
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#define CF_CONNECTING 0x00000008 |
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#define CF_LISTENING 0x00000010 |
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#define CF_CONNECTED 0x00000020 |
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#define CF_DEAD 0x00000040 |
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|
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#define CF_NONEWLINE 0x00000080 |
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#define CF_SEND_EOF 0x00000100 /* shutdown(2) write end if sendque empty */ |
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#define CF_SEND_DEAD 0x00000200 /* write end shut down */ |
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|
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#define CF_IS_UPLINK(x) ((x)->flags & CF_UPLINK) |
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#define CF_IS_DCC(x) ((x)->flags & (CF_DCCOUT | CF_DCCIN)) |
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#define CF_IS_DCCOUT(x) ((x)->flags & CF_DCCOUT) |
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#define CF_IS_DCCIN(x) ((x)->flags & CF_DCCIN) |
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#define CF_IS_DEAD(x) ((x)->flags & CF_DEAD) |
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#define CF_IS_CONNECTING(x) ((x)->flags & CF_CONNECTING) |
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#define CF_IS_LISTENING(x) ((x)->flags & CF_LISTENING) |
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|
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extern connection_t *connection_add (char const *, int, unsigned int, void (*)(connection_t *), void (*)(connection_t *)); |
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extern connection_t *connection_open_tcp (char *, char *, unsigned int, void (*)(connection_t *), void (*)(connection_t *)); |
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extern connection_t *connection_open_listener_tcp (char *, unsigned int, void (*)(connection_t *)); |
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extern connection_t *connection_accept_tcp (connection_t *, void (*)(connection_t *), void (*)(connection_t *)); |
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extern void connection_setselect (connection_t *, void (*)(connection_t *), void (*)(connection_t *)); |
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extern void connection_close (connection_t *); |
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extern void connection_close_soon (connection_t *); |
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extern void connection_close_soon_children (connection_t *); |
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extern void connection_close_all (void); |
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extern void connection_stats (void (*)(char const *, void *), void *); |
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extern void connection_write (connection_t *to, char *format, ...); |
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extern void connection_write_raw (connection_t *to, char *data); |
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extern connection_t *connection_find (int); |
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extern void connection_select (time_t delay); |
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extern int connection_count (void); |
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|
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#endif |
