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 struct aim_conn_t *aim_getconn_type(struct aim_session_t *sess,
54 for (i=0; i<AIM_CONN_MAX; i++)
55 if (sess->conns[i].type == type)
56 return &(sess->conns[i]);
61 * aim_newconn(type, dest)
63 * Opens a new connection to the specified dest host of type type.
65 * TODO: fix for proxies
66 * FIXME: Return errors in a more sane way.
69 struct aim_conn_t *aim_newconn(struct aim_session_t *sess,
72 struct aim_conn_t *connstruct;
74 struct sockaddr_in sa;
76 u_short port = FAIM_LOGIN_PORT;
80 if (!dest || ((connstruct=aim_conn_getnext(sess))==NULL))
83 connstruct->type = type;
86 * As of 23 Jul 1999, AOL now sends the port number, preceded by a
87 * colon, in the BOS redirect. This fatally breaks all previous
88 * libfaims. Bad, bad AOL.
90 * We put this here to catch every case.
94 for(i=0;i<strlen(dest);i++)
97 port = atoi(&(dest[i+1]));
101 host = (char *)malloc(i+1);
102 strncpy(host, dest, i);
104 hp = gethostbyname2(host, AF_INET);
109 connstruct->status = (h_errno | AIM_CONN_STATUS_RESOLVERR);
113 memset(&sa.sin_zero, 0, 8);
114 sa.sin_port = htons(port);
115 memcpy(&sa.sin_addr, hp->h_addr, hp->h_length);
116 sa.sin_family = hp->h_addrtype;
118 connstruct->fd = socket(hp->h_addrtype, SOCK_STREAM, 0);
119 ret = connect(connstruct->fd, (struct sockaddr *)&sa, sizeof(struct sockaddr_in));
123 connstruct->status = (errno | AIM_CONN_STATUS_CONNERR);
130 int aim_conngetmaxfd(struct aim_session_t *sess)
134 for (i=0;i<AIM_CONN_MAX;i++)
135 if(sess->conns[i].fd > j)
136 j = sess->conns[i].fd;
140 int aim_countconn(struct aim_session_t *sess)
144 for (i=0;i<AIM_CONN_MAX;i++)
145 if (sess->conns[i].fd > -1)
151 * aim_select(timeout)
153 * Waits for a socket with data or for timeout, whichever comes first.
157 struct aim_conn_t *aim_select(struct aim_session_t *sess,
158 struct timeval *timeout)
164 if (aim_countconn(sess) <= 0)
168 * If we have data waiting to be sent, return immediatly
170 if (sess->queue_outgoing)
171 return (struct aim_conn_t *)1;
176 for(i=0;i<AIM_CONN_MAX;i++)
177 if (sess->conns[i].fd>-1)
179 FD_SET(sess->conns[i].fd, &fds);
180 FD_SET(sess->conns[i].fd, &errfds);
183 i = select(aim_conngetmaxfd(sess)+1, &fds, NULL, &errfds, timeout);
187 for (j=0;j<AIM_CONN_MAX;j++)
189 if (sess->conns[j].fd > -1)
191 if ((FD_ISSET(sess->conns[j].fd, &errfds)))
193 /* got an exception; close whats left of it up */
194 aim_conn_close(&(sess->conns[j]));
195 return (struct aim_conn_t *)-1;
197 else if ((FD_ISSET(sess->conns[j].fd, &fds)))
198 return &(sess->conns[j]); /* return the first waiting struct */
201 /* should never get here */
204 return (struct aim_conn_t *)i; /* no waiting or error, return -- FIXME: return type funnies */
205 return NULL; /* NO REACH */
208 int aim_conn_isready(struct aim_conn_t *conn)
211 return (conn->status & 0x0001);
216 int aim_conn_setstatus(struct aim_conn_t *conn, int status)
219 return (conn->status ^= status);
224 int aim_conn_setlatency(struct aim_conn_t *conn, int newval)
229 conn->forcedlatency = newval;
230 conn->lastactivity = 0; /* reset this just to make sure */
235 void aim_session_init(struct aim_session_t *sess)
242 sess->logininfo.screen_name[0] = '\0';
243 sess->logininfo.BOSIP = NULL;
244 sess->logininfo.cookie[0] = '\0';
245 sess->logininfo.email = NULL;
246 sess->logininfo.regstatus = 0x00;
248 for (i = 0; i < AIM_CONN_MAX; i++)
250 sess->conns[i].fd = -1;
251 sess->conns[i].type = -1;
252 sess->conns[i].status = 0;
253 sess->conns[i].seqnum = 0;
254 sess->conns[i].lastactivity = 0;
255 sess->conns[i].forcedlatency = 0;
256 sess->conns[i].handlerlist = NULL;
259 sess->queue_outgoing = NULL;
260 sess->queue_incoming = NULL;
261 sess->outstanding_snacs = NULL;
262 sess->snac_nextid = 0x00000001;