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 ((connstruct=aim_conn_getnext(sess))==NULL)
86 connstruct->type = type;
88 if (!dest) { /* just allocate a struct */
90 connstruct->status = 0;
95 * As of 23 Jul 1999, AOL now sends the port number, preceded by a
96 * colon, in the BOS redirect. This fatally breaks all previous
97 * libfaims. Bad, bad AOL.
99 * We put this here to catch every case.
103 for(i=0;i<strlen(dest);i++)
105 if (dest[i] == ':') {
106 port = atoi(&(dest[i+1]));
110 host = (char *)malloc(i+1);
111 strncpy(host, dest, i);
114 hp = gethostbyname2(host, AF_INET);
119 connstruct->status = (h_errno | AIM_CONN_STATUS_RESOLVERR);
123 memset(&sa.sin_zero, 0, 8);
124 sa.sin_port = htons(port);
125 memcpy(&sa.sin_addr, hp->h_addr, hp->h_length);
126 sa.sin_family = hp->h_addrtype;
128 connstruct->fd = socket(hp->h_addrtype, SOCK_STREAM, 0);
129 ret = connect(connstruct->fd, (struct sockaddr *)&sa, sizeof(struct sockaddr_in));
133 connstruct->status = (errno | AIM_CONN_STATUS_CONNERR);
140 int aim_conngetmaxfd(struct aim_session_t *sess)
144 for (i=0;i<AIM_CONN_MAX;i++)
145 if(sess->conns[i].fd > j)
146 j = sess->conns[i].fd;
150 int aim_countconn(struct aim_session_t *sess)
154 for (i=0;i<AIM_CONN_MAX;i++)
155 if (sess->conns[i].fd > -1)
161 * aim_select(timeout)
163 * Waits for a socket with data or for timeout, whichever comes first.
166 * Return codes in *status:
167 * -1 error in select() (NULL returned)
168 * 0 no events pending (NULL returned)
169 * 1 outgoing data pending (NULL returned)
170 * 2 incoming data pending (connection with pending data returned)
173 struct aim_conn_t *aim_select(struct aim_session_t *sess,
174 struct timeval *timeout, int *status)
179 if (aim_countconn(sess) <= 0)
183 * If we have data waiting to be sent, return immediatly
185 if (sess->queue_outgoing != NULL) {
192 for(i=0;i<AIM_CONN_MAX;i++)
193 if (sess->conns[i].fd>-1)
194 FD_SET(sess->conns[i].fd, &fds);
196 if ((i = select(aim_conngetmaxfd(sess)+1, &fds, NULL, NULL, timeout))>=1) {
198 for (j=0;j<AIM_CONN_MAX;j++) {
199 if (sess->conns[j].fd > -1) {
200 if ((FD_ISSET(sess->conns[j].fd, &fds))) {
202 return &(sess->conns[j]); /* return the first waiting struct */
206 /* should never get here */
209 *status = i; /* may be 0 or -1 */
210 return NULL; /* no waiting or error, return */
213 int aim_conn_isready(struct aim_conn_t *conn)
216 return (conn->status & 0x0001);
221 int aim_conn_setstatus(struct aim_conn_t *conn, int status)
224 return (conn->status ^= status);
229 int aim_conn_setlatency(struct aim_conn_t *conn, int newval)
234 conn->forcedlatency = newval;
235 conn->lastactivity = 0; /* reset this just to make sure */
240 void aim_session_init(struct aim_session_t *sess)
247 memset(sess->logininfo.screen_name, 0x00, MAXSNLEN);
248 sess->logininfo.BOSIP = NULL;
249 memset(sess->logininfo.cookie, 0x00, AIM_COOKIELEN);
250 sess->logininfo.email = NULL;
251 sess->logininfo.regstatus = 0x00;
253 for (i = 0; i < AIM_CONN_MAX; i++)
255 sess->conns[i].fd = -1;
256 sess->conns[i].type = -1;
257 sess->conns[i].status = 0;
258 sess->conns[i].seqnum = 0;
259 sess->conns[i].lastactivity = 0;
260 sess->conns[i].forcedlatency = 0;
261 sess->conns[i].handlerlist = NULL;
262 sess->conns[i].priv = NULL;
265 sess->queue_outgoing = NULL;
266 sess->queue_incoming = NULL;
267 sess->pendingjoin = NULL;
268 sess->outstanding_snacs = NULL;
269 sess->snac_nextid = 0x00000001;