5 Author: Pekka Riikonen <priikone@silcnet.org>
7 Copyright (C) 2006 - 2007 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; version 2 of the License.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
21 #include "silcsymbiansocketstream.h"
23 /************************ Static utility functions **************************/
25 static SilcBool silc_net_set_sockaddr(TInetAddr *addr, const char *ip_addr,
28 /* Check for IPv4 and IPv6 addresses */
30 if (!silc_net_is_ip(ip_addr)) {
31 SILC_LOG_ERROR(("%s is not IP address", ip_addr));
35 if (silc_net_is_ip4(ip_addr)) {
40 if (!silc_net_addr2bin(ip_addr, buf, sizeof(buf)))
43 SILC_GET32_MSB(a, buf);
48 SILC_LOG_ERROR(("IPv6 not supported"));
51 SILC_LOG_ERROR(("Operating System does not support IPv6"));
63 /****************************** TCP Listener ********************************/
65 class SilcSymbianTCPListener;
69 /* Deliver new stream to upper layer */
71 static void silc_net_accept_stream(SilcSocketStreamStatus status,
72 SilcStream stream, void *context)
74 SilcNetListener listener = (SilcNetListener)context;
76 /* In case of error, the socket has been destroyed already via
77 silc_stream_destroy. */
78 if (status != SILC_SOCKET_OK)
81 listener->callback(SILC_NET_OK, stream, listener->context);
86 /* TCP Listener class */
88 class SilcSymbianTCPListener : public CActive {
91 SilcSymbianTCPListener() : CActive(CActive::EPriorityStandard)
93 CActiveScheduler::Add(this);
97 ~SilcSymbianTCPListener()
102 /* Listen for connection */
105 SILC_LOG_DEBUG(("Listen()"));
107 new_conn = new RSocket;
110 if (new_conn->Open(ss) != KErrNone) {
115 /* Start listenning */
116 sock.Accept(*new_conn, iStatus);
120 /* Listener callback */
123 SILC_LOG_DEBUG(("RunL(), iStatus=%d", iStatus));
125 if (iStatus != KErrNone) {
133 SILC_LOG_DEBUG(("Accept new connection"));
135 /* Set socket options */
136 new_conn->SetOpt(KSoReuseAddr, KSolInetIp, 1);
138 /* Create socket stream */
139 silc_socket_tcp_stream_create(
140 (SilcSocket)silc_create_symbian_socket(new_conn, NULL),
141 listener->lookup, listener->require_fqdn,
142 listener->schedule, silc_net_accept_stream,
146 /* Continue listenning */
151 virtual void DoCancel()
162 SilcNetListener listener;
167 /* Create TCP listener */
170 silc_net_tcp_create_listener(const char **local_ip_addr,
171 SilcUInt32 local_ip_count, int port,
172 SilcBool lookup, SilcBool require_fqdn,
173 SilcSchedule schedule,
174 SilcNetCallback callback, void *context)
176 SilcNetListener listener = NULL;
177 SilcSymbianTCPListener *l = NULL;
182 SILC_LOG_DEBUG(("Creating TCP listener"));
184 if (port < 0 || !schedule || !callback)
187 listener = (SilcNetListener)silc_calloc(1, sizeof(*listener));
189 callback(SILC_NET_NO_MEMORY, NULL, context);
192 listener->schedule = schedule;
193 listener->callback = callback;
194 listener->context = context;
195 listener->require_fqdn = require_fqdn;
196 listener->lookup = lookup;
198 if (local_ip_count > 0) {
199 listener->socks = (SilcSocket *)silc_calloc(local_ip_count,
200 sizeof(*listener->socks));
201 if (!listener->socks) {
202 callback(SILC_NET_NO_MEMORY, NULL, context);
206 listener->socks = (SilcSocket *)silc_calloc(1, sizeof(*listener->socks));
207 if (!listener->socks) {
208 callback(SILC_NET_NO_MEMORY, NULL, context);
215 /* Bind to local addresses */
216 for (i = 0; i < local_ip_count; i++) {
217 SILC_LOG_DEBUG(("Binding to local address %s",
218 local_ip_addr ? local_ip_addr[i] : "0.0.0.0"));
220 l = new SilcSymbianTCPListener;
224 /* Connect to socket server */
225 ret = l->ss.Connect();
230 /* Make our socket shareable between threads */
232 #endif /* SILC_THREADS */
234 /* Set listener address */
235 if (!silc_net_set_sockaddr(&server, local_ip_addr[i], port))
238 /* Create the socket */
239 ret = l->sock.Open(l->ss, KAfInet, KSockStream, KProtocolInetTcp);
240 if (ret != KErrNone) {
241 SILC_LOG_ERROR(("Cannot create socket, error %d", ret));
245 /* Set the socket options */
246 ret = l->sock.SetOpt(KSoReuseAddr, KSolInetIp, 1);
247 if (ret != KErrNone) {
248 SILC_LOG_ERROR(("Cannot set socket options, error %d", ret));
252 /* Bind the listener socket */
253 ret = l->sock.Bind(server);
254 if (ret != KErrNone) {
255 SILC_LOG_DEBUG(("Cannot bind socket, error %d", ret));
259 /* Specify that we are listenning */
260 ret = l->sock.Listen(5);
261 if (ret != KErrNone) {
262 SILC_LOG_ERROR(("Cannot set socket listenning, error %d", ret));
267 l->listener = listener;
268 listener->socks[i] = (SilcSocket)l;
269 listener->socks_count++;
272 SILC_LOG_DEBUG(("TCP listener created"));
280 callback(SILC_NET_ERROR, NULL, context);
282 silc_net_close_listener(listener);
286 /* Close network listener */
288 void silc_net_close_listener(SilcNetListener listener)
292 SILC_LOG_DEBUG(("Closing network listener"));
297 for (i = 0; i < listener->socks_count; i++) {
298 SilcSymbianTCPListener *l = (SilcSymbianTCPListener *)listener->socks[i];
307 silc_free(listener->socks);
312 /**************************** TCP/IP connecting *****************************/
314 static void silc_net_connect_stream(SilcSocketStreamStatus status,
315 SilcStream stream, void *context);
319 /* TCP connecting class */
321 class SilcSymbianTCPConnect : public CActive {
324 SilcSymbianTCPConnect() : CActive(CActive::EPriorityStandard)
326 CActiveScheduler::Add(this);
330 ~SilcSymbianTCPConnect()
338 /* Connect to remote host */
339 void Connect(TSockAddr &addr)
341 SILC_LOG_DEBUG(("Connect()"));
342 sock->Connect(addr, iStatus);
346 /* Connection callback */
349 SILC_LOG_DEBUG(("RunL(), iStatus=%d", iStatus));
351 if (iStatus != KErrNone) {
353 callback(SILC_NET_ERROR, NULL, context);
354 sock->CancelConnect();
364 SILC_LOG_DEBUG(("Connected to host %s on %d", remote_ip, port));
368 silc_socket_tcp_stream_create(
369 (SilcSocket)silc_create_symbian_socket(sock, ss),
370 TRUE, FALSE, schedule, silc_net_connect_stream,
386 virtual void DoCancel()
393 sock->CancelConnect();
403 SilcAsyncOperation op;
404 SilcSchedule schedule;
405 SilcNetCallback callback;
411 /* TCP stream creation callback */
413 static void silc_net_connect_stream(SilcSocketStreamStatus status,
414 SilcStream stream, void *context)
416 SilcSymbianTCPConnect *conn = (SilcSymbianTCPConnect *)context;
417 SilcNetStatus net_status = SILC_NET_OK;
419 SILC_LOG_DEBUG(("Socket stream creation status %d", status));
421 if (status != SILC_SOCKET_OK) {
422 /* In case of error, the socket has been destroyed already via
423 silc_stream_destroy. */
424 if (status == SILC_SOCKET_UNKNOWN_IP)
425 net_status = SILC_NET_UNKNOWN_IP;
426 else if (status == SILC_SOCKET_UNKNOWN_HOST)
427 net_status = SILC_NET_UNKNOWN_HOST;
429 net_status = SILC_NET_ERROR;
432 /* Call connection callback */
434 conn->callback(net_status, stream, conn->context);
436 silc_stream_destroy(stream);
441 /* Connecting abort callback */
443 static void silc_net_connect_abort(SilcAsyncOperation op, void *context)
445 SilcSymbianTCPConnect *conn = (SilcSymbianTCPConnect *)context;
448 conn->callback = NULL;
451 conn->sock->CancelConnect();
454 /* Create TCP/IP connection */
456 SilcAsyncOperation silc_net_tcp_connect(const char *local_ip_addr,
457 const char *remote_ip_addr,
459 SilcSchedule schedule,
460 SilcNetCallback callback,
463 SilcSymbianTCPConnect *conn;
464 TInetAddr local, remote;
465 SilcNetStatus status;
468 if (!remote_ip_addr || remote_port < 1 || !schedule || !callback)
471 SILC_LOG_DEBUG(("Creating connection to host %s port %d",
472 remote_ip_addr, remote_port));
474 conn = new SilcSymbianTCPConnect;
476 callback(SILC_NET_NO_MEMORY, NULL, context);
479 conn->schedule = schedule;
480 conn->callback = callback;
481 conn->context = context;
482 conn->port = remote_port;
483 conn->remote = strdup(remote_ip_addr);
485 status = SILC_NET_NO_MEMORY;
489 /* Allocate socket */
490 conn->sock = new RSocket;
492 status = SILC_NET_NO_MEMORY;
496 /* Allocate socket server */
497 conn->ss = new RSocketServ;
499 status = SILC_NET_NO_MEMORY;
503 /* Connect to socket server */
504 ret = conn->ss->Connect();
505 if (ret != KErrNone) {
506 SILC_LOG_ERROR(("Error connecting to socket server, error %d", ret));
507 status = SILC_NET_ERROR;
512 /* Make our socket shareable between threads */
513 conn->ss->ShareAuto();
514 #endif /* SILC_THREADS */
516 /* Start async operation */
517 conn->op = silc_async_alloc(silc_net_connect_abort, NULL, (void *)conn);
519 status = SILC_NET_NO_MEMORY;
524 if (!silc_net_gethostbyname(remote_ip_addr, FALSE, conn->remote_ip,
525 sizeof(conn->remote_ip))) {
526 SILC_LOG_ERROR(("Network (%s) unreachable: could not resolve the "
527 "host", conn->remote));
528 status = SILC_NET_HOST_UNREACHABLE;
532 /* Create the connection socket */
533 ret = conn->sock->Open(*conn->ss, KAfInet, KSockStream, KProtocolInetTcp);
534 if (ret != KErrNone) {
535 SILC_LOG_ERROR(("Cannot create socket, error %d", ret));
536 status = SILC_NET_ERROR;
540 /* Set appropriate options */
541 conn->sock->SetOpt(KSoTcpNoDelay, KSolInetTcp, 1);
542 conn->sock->SetOpt(KSoTcpKeepAlive, KSolInetTcp, 1);
544 /* Bind to the local address if provided */
546 if (silc_net_set_sockaddr(&local, local_ip_addr, 0))
547 conn->sock->Bind(local);
549 /* Connect to the host */
550 if (!silc_net_set_sockaddr(&remote, conn->remote_ip, remote_port)) {
551 SILC_LOG_ERROR(("Cannot connect (cannot set address)"));
552 status = SILC_NET_ERROR;
555 conn->Connect(remote);
557 SILC_LOG_DEBUG(("Connection operation in progress"));
569 silc_free(conn->remote);
571 silc_async_free(conn->op);
572 callback(status, NULL, context);
577 /****************************** UDP routines ********************************/
579 /* Create UDP/IP connection */
581 SilcStream silc_net_udp_connect(const char *local_ip_addr, int local_port,
582 const char *remote_ip_addr, int remote_port,
583 SilcSchedule schedule)
585 SilcSymbianSocket *s;
587 TInetAddr local, remote;
588 TRequestStatus status;
589 RSocket *sock = NULL;
590 RSocketServ *ss = NULL;
593 SILC_LOG_DEBUG(("Creating UDP stream"));
598 SILC_LOG_DEBUG(("Binding to local address %s",
599 local_ip_addr ? local_ip_addr : "0.0.0.0"));
605 ss = new RSocketServ;
609 /* Open socket server */
615 /* Make our socket shareable between threads */
617 #endif /* SILC_THREADS */
619 /* Get local bind address */
620 if (!silc_net_set_sockaddr(&local, local_ip_addr, local_port))
623 /* Create the socket */
624 ret = sock->Open(*ss, KAfInet, KSockDatagram, KProtocolInetUdp);
625 if (ret != KErrNone) {
626 SILC_LOG_ERROR(("Cannot create socket"));
630 /* Set the socket options */
631 sock->SetOpt(KSoReuseAddr, KSolInetIp, 1);
633 /* Bind the listener socket */
634 ret = sock->Bind(local);
635 if (ret != KErrNone) {
636 SILC_LOG_DEBUG(("Cannot bind socket"));
640 /* Set to connected state if remote address is provided. */
641 if (remote_ip_addr && remote_port) {
642 if (silc_net_set_sockaddr(&remote, remote_ip_addr, remote_port)) {
643 sock->Connect(remote, status);
644 if (status != KErrNone) {
645 SILC_LOG_DEBUG(("Cannot connect UDP stream"));
651 /* Encapsulate into socket stream */
652 s = silc_create_symbian_socket(sock, ss);
656 silc_socket_udp_stream_create((SilcSocket)s, local_ip_addr ?
657 silc_net_is_ip6(local_ip_addr) : FALSE,
658 remote_ip_addr ? TRUE : FALSE, schedule);
662 SILC_LOG_DEBUG(("UDP stream created, fd=%d", sock));
675 /* Sets socket to non-blocking mode */
677 int silc_net_set_socket_nonblock(SilcSocket sock)
679 /* Nothing to do in Symbian where blocking socket mode is asynchronous
680 already (ie. non-blocking). */
684 /* Converts the IP number string from numbers-and-dots notation to
687 SilcBool silc_net_addr2bin(const char *addr, void *bin, SilcUInt32 bin_len)
692 ret = inet_aton(addr, &tmp);
696 memcpy(bin, (unsigned char *)&tmp.s_addr, 4);
701 /* Get remote host and IP from socket */
703 SilcBool silc_net_check_host_by_sock(SilcSocket sock, char **hostname,
706 SilcSymbianSocket *s = (SilcSymbianSocket *)sock;
715 s->sock->RemoteName(addr);
718 *ip = (char *)silc_memdup(tmp.Ptr(), tmp.Length());
722 /* Do reverse lookup if we want hostname too. */
724 /* Get host by address */
725 if (!silc_net_gethostbyaddr(*ip, host, sizeof(host)))
728 *hostname = (char *)silc_memdup(host, strlen(host));
729 SILC_LOG_DEBUG(("Resolved hostname `%s'", *hostname));
732 if (!silc_net_gethostbyname(*hostname, TRUE, host, sizeof(host)))
735 if (strcmp(*ip, host))
739 SILC_LOG_DEBUG(("Resolved IP address `%s'", *ip));
743 /* Get local host and IP from socket */
745 SilcBool silc_net_check_local_by_sock(SilcSocket sock, char **hostname,
748 SilcSymbianSocket *s = (SilcSymbianSocket *)sock;
757 s->sock->LocalName(addr);
760 *ip = (char *)silc_memdup(tmp.Ptr(), tmp.Length());
764 /* Do reverse lookup if we want hostname too. */
766 /* Get host by address */
767 if (!silc_net_gethostbyaddr(*ip, host, sizeof(host)))
770 *hostname = (char *)silc_memdup(host, strlen(host));
771 SILC_LOG_DEBUG(("Resolved hostname `%s'", *hostname));
774 if (!silc_net_gethostbyname(*hostname, TRUE, host, sizeof(host)))
777 if (strcmp(*ip, host))
781 SILC_LOG_DEBUG(("Resolved IP address `%s'", *ip));
785 /* Get remote port from socket */
787 SilcUInt16 silc_net_get_remote_port(SilcSocket sock)
789 SilcSymbianSocket *s = (SilcSymbianSocket *)sock;
792 s->sock->RemoteName(addr);
793 return (SilcUInt16)addr.Port();
796 /* Get local port from socket */
798 SilcUInt16 silc_net_get_local_port(SilcSocket sock)
800 SilcSymbianSocket *s = (SilcSymbianSocket *)sock;
803 s->sock->LocalName(addr);
804 return (SilcUInt16)addr.Port();