1 /******************************************************************************
2 (c) 2000 Christine Caulfield christine.caulfield@googlemail.com
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13 ******************************************************************************/
14
15 #include <sys/types.h>
16 #include <sys/signal.h>
17 #include <string.h>
18 #include <stdio.h>
19 #include <syslog.h>
20 #include <unistd.h>
21 #include <fcntl.h>
22 #include <termios.h>
23 #include <list>
24 #include <queue>
25 #include <string>
26 #include <map>
27 #include <sstream>
28
29 #include "lat.h"
30 #include "utils.h"
31 #include "session.h"
32 #include "localport.h"
33 #include "connection.h"
34 #include "circuit.h"
35 #include "latcpcircuit.h"
36 #include "server.h"
37 #include "serversession.h"
38 #include "clientsession.h"
39 #include "queuedsession.h"
40
QueuedSession(class LATConnection & p,LAT_SessionStartCmd * cmd,ClientSession * _client,unsigned char remid,unsigned char localid,bool clean)41 QueuedSession::QueuedSession(class LATConnection &p, LAT_SessionStartCmd *cmd,
42 ClientSession *_client,
43 unsigned char remid, unsigned char localid,
44 bool clean):
45 ServerSession(p, cmd, std::string(""), 0,0, remid, localid, clean),
46 client_session(_client)
47 {
48 max_read_size = cmd->dataslotsize;
49 master_fd = client_session->get_port_fd();
50
51 debuglog(("new queued session: localid %d, remote id %d, data slot size: %d, device fd: %d\n",
52 localid, remid, max_read_size, master_fd));
53 }
54
new_session(unsigned char * _remote_node,char * service,char * port,unsigned char c)55 int QueuedSession::new_session(unsigned char *_remote_node,
56 char *service, char *port,
57 unsigned char c)
58 {
59 credit = c;
60 strcpy(remote_service, service);
61 strcpy(remote_port, port);
62
63 if (!client_session) return -1;
64
65 debuglog(("starting queued session: credit = %d\n", c));
66 strcpy(remote_node, (char *)_remote_node);
67
68 if (master_fd != -1)
69 {
70 fcntl(master_fd, F_SETFL, fcntl(master_fd, F_GETFL, 0) | O_NONBLOCK);
71 connected = true;
72
73 send_login_response();
74 client_session->start_port();
75 }
76 else
77 {
78 return -1;
79 }
80 return 0;
81 }
82
~QueuedSession()83 QueuedSession::~QueuedSession()
84 {
85 /* Make sure the parent class doesn't close this FD:
86 it's not ours. */
87 master_fd = -1;
88
89 /* Restart the client session */
90 client_session->restart_pty();
91 }
92