5 * Does all this gloriously nifty connection handling stuff...
11 void aim_connrst(struct aim_session_t *sess)
14 for (i = 0; i < AIM_CONN_MAX; i++)
16 sess->conns[i].fd = -1;
17 sess->conns[i].type = -1;
18 sess->conns[i].status = 0;
19 sess->conns[i].seqnum = 0;
20 sess->conns[i].lastactivity = 0;
21 sess->conns[i].forcedlatency = 0;
22 aim_clearhandlers(&(sess->conns[i]));
23 sess->conns[i].handlerlist = NULL;
28 struct aim_conn_t *aim_conn_getnext(struct aim_session_t *sess)
31 for (i=0;i<AIM_CONN_MAX;i++)
32 if (sess->conns[i].fd == -1)
33 return &(sess->conns[i]);
37 void aim_conn_close(struct aim_conn_t *deadconn)
39 if (deadconn->fd >= 3)
44 deadconn->lastactivity = 0;
45 deadconn->forcedlatency = 0;
46 aim_clearhandlers(deadconn);
47 deadconn->handlerlist = NULL;
50 deadconn->priv = NULL;
53 struct aim_conn_t *aim_getconn_type(struct aim_session_t *sess,
57 for (i=0; i<AIM_CONN_MAX; i++)
58 if (sess->conns[i].type == type)
59 return &(sess->conns[i]);
64 * aim_newconn(type, dest)
66 * Opens a new connection to the specified dest host of type type.
68 * TODO: fix for proxies
69 * FIXME: Return errors in a more sane way.
72 struct aim_conn_t *aim_newconn(struct aim_session_t *sess,
75 struct aim_conn_t *connstruct;
77 struct sockaddr_in sa;
79 u_short port = FAIM_LOGIN_PORT;
83 if (!dest || ((connstruct=aim_conn_getnext(sess))==NULL))
86 connstruct->type = type;
89 * As of 23 Jul 1999, AOL now sends the port number, preceded by a
90 * colon, in the BOS redirect. This fatally breaks all previous
91 * libfaims. Bad, bad AOL.
93 * We put this here to catch every case.
97 for(i=0;i<strlen(dest);i++)
100 port = atoi(&(dest[i+1]));
104 host = (char *)malloc(i+1);
105 strncpy(host, dest, i);
108 hp = gethostbyname2(host, AF_INET);
113 connstruct->status = (h_errno | AIM_CONN_STATUS_RESOLVERR);
117 memset(&sa.sin_zero, 0, 8);
118 sa.sin_port = htons(port);
119 memcpy(&sa.sin_addr, hp->h_addr, hp->h_length);
120 sa.sin_family = hp->h_addrtype;
122 connstruct->fd = socket(hp->h_addrtype, SOCK_STREAM, 0);
123 ret = connect(connstruct->fd, (struct sockaddr *)&sa, sizeof(struct sockaddr_in));
127 connstruct->status = (errno | AIM_CONN_STATUS_CONNERR);
134 int aim_conngetmaxfd(struct aim_session_t *sess)
138 for (i=0;i<AIM_CONN_MAX;i++)
139 if(sess->conns[i].fd > j)
140 j = sess->conns[i].fd;
144 int aim_countconn(struct aim_session_t *sess)
148 for (i=0;i<AIM_CONN_MAX;i++)
149 if (sess->conns[i].fd > -1)
155 * aim_select(timeout)
157 * Waits for a socket with data or for timeout, whichever comes first.
161 struct aim_conn_t *aim_select(struct aim_session_t *sess,
162 struct timeval *timeout)
168 if (aim_countconn(sess) <= 0)
172 * If we have data waiting to be sent, return immediatly
174 if (sess->queue_outgoing)
175 return (struct aim_conn_t *)1;
180 for(i=0;i<AIM_CONN_MAX;i++)
181 if (sess->conns[i].fd>-1)
183 FD_SET(sess->conns[i].fd, &fds);
184 FD_SET(sess->conns[i].fd, &errfds);
187 i = select(aim_conngetmaxfd(sess)+1, &fds, NULL, &errfds, timeout);
191 for (j=0;j<AIM_CONN_MAX;j++)
193 if (sess->conns[j].fd > -1)
195 if ((FD_ISSET(sess->conns[j].fd, &errfds)))
197 /* got an exception; close whats left of it up */
198 aim_conn_close(&(sess->conns[j]));
199 return (struct aim_conn_t *)-1;
201 else if ((FD_ISSET(sess->conns[j].fd, &fds)))
202 return &(sess->conns[j]); /* return the first waiting struct */
205 /* should never get here */
208 return (struct aim_conn_t *)i; /* no waiting or error, return -- FIXME: return type funnies */
209 return NULL; /* NO REACH */
212 int aim_conn_isready(struct aim_conn_t *conn)
215 return (conn->status & 0x0001);
220 int aim_conn_setstatus(struct aim_conn_t *conn, int status)
223 return (conn->status ^= status);
228 int aim_conn_setlatency(struct aim_conn_t *conn, int newval)
233 conn->forcedlatency = newval;
234 conn->lastactivity = 0; /* reset this just to make sure */
239 void aim_session_init(struct aim_session_t *sess)
246 memset(sess->logininfo.screen_name, 0x00, MAXSNLEN);
247 sess->logininfo.BOSIP = NULL;
248 memset(sess->logininfo.cookie, 0x00, AIM_COOKIELEN);
249 sess->logininfo.email = NULL;
250 sess->logininfo.regstatus = 0x00;
252 for (i = 0; i < AIM_CONN_MAX; i++)
254 sess->conns[i].fd = -1;
255 sess->conns[i].type = -1;
256 sess->conns[i].status = 0;
257 sess->conns[i].seqnum = 0;
258 sess->conns[i].lastactivity = 0;
259 sess->conns[i].forcedlatency = 0;
260 sess->conns[i].handlerlist = NULL;
261 sess->conns[i].priv = NULL;
264 sess->queue_outgoing = NULL;
265 sess->queue_incoming = NULL;
266 sess->pendingjoin = NULL;
267 sess->outstanding_snacs = NULL;
268 sess->snac_nextid = 0x00000001;