Xtrans.c
资源名称:X264CODEC.rar [点击查看]
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上传日期:2022-06-04
资源大小:8887k
文件大小:30k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- Copyright 1993, 1994, 1998 The Open Group
- Permission to use, copy, modify, distribute, and sell this software and its
- documentation for any purpose is hereby granted without fee, provided that
- the above copyright notice appear in all copies and that both that
- copyright notice and this permission notice appear in supporting
- documentation.
- The above copyright notice and this permission notice shall be included
- in all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
- OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- OTHER DEALINGS IN THE SOFTWARE.
- Except as contained in this notice, the name of The Open Group shall
- not be used in advertising or otherwise to promote the sale, use or
- other dealings in this Software without prior written authorization
- from The Open Group.
- * Copyright 1993, 1994 NCR Corporation - Dayton, Ohio, USA
- *
- * All Rights Reserved
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name NCR not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission. NCR makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * NCR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
- * NO EVENT SHALL NCR BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
- * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
- #include <ctype.h>
- /*
- * The transport table contains a definition for every transport (protocol)
- * family. All operations that can be made on the transport go through this
- * table.
- *
- * Each transport is assigned a unique transport id.
- *
- * New transports can be added by adding an entry in this table.
- * For compatiblity, the transport ids should never be renumbered.
- * Always add to the end of the list.
- */
- #define TRANS_TLI_INET_INDEX 1
- #define TRANS_TLI_TCP_INDEX 2
- #define TRANS_TLI_TLI_INDEX 3
- #define TRANS_SOCKET_UNIX_INDEX 4
- #define TRANS_SOCKET_LOCAL_INDEX 5
- #define TRANS_SOCKET_INET_INDEX 6
- #define TRANS_SOCKET_TCP_INDEX 7
- #define TRANS_DNET_INDEX 8
- #define TRANS_LOCAL_LOCAL_INDEX 9
- #define TRANS_LOCAL_PTS_INDEX 10
- #define TRANS_LOCAL_NAMED_INDEX 11
- #define TRANS_LOCAL_ISC_INDEX 12
- #define TRANS_LOCAL_SCO_INDEX 13
- #define TRANS_SOCKET_INET6_INDEX 14
- #define TRANS_LOCAL_PIPE_INDEX 15
- static
- Xtransport_table Xtransports[] = {
- #if defined(STREAMSCONN)
- { &TRANS(TLITCPFuncs), TRANS_TLI_TCP_INDEX },
- { &TRANS(TLIINETFuncs), TRANS_TLI_INET_INDEX },
- { &TRANS(TLITLIFuncs), TRANS_TLI_TLI_INDEX },
- #endif /* STREAMSCONN */
- #if defined(TCPCONN)
- { &TRANS(SocketTCPFuncs), TRANS_SOCKET_TCP_INDEX },
- #if defined(IPv6) && defined(AF_INET6)
- { &TRANS(SocketINET6Funcs), TRANS_SOCKET_INET6_INDEX },
- #endif /* IPv6 */
- { &TRANS(SocketINETFuncs), TRANS_SOCKET_INET_INDEX },
- #endif /* TCPCONN */
- #if defined(UNIXCONN)
- #if !defined(LOCALCONN)
- { &TRANS(SocketLocalFuncs), TRANS_SOCKET_LOCAL_INDEX },
- #endif /* !LOCALCONN */
- { &TRANS(SocketUNIXFuncs), TRANS_SOCKET_UNIX_INDEX },
- #endif /* UNIXCONN */
- #if defined(LOCALCONN)
- { &TRANS(LocalFuncs), TRANS_LOCAL_LOCAL_INDEX },
- #ifndef sun
- { &TRANS(PTSFuncs), TRANS_LOCAL_PTS_INDEX },
- #endif /* sun */
- #ifdef SVR4
- { &TRANS(NAMEDFuncs), TRANS_LOCAL_NAMED_INDEX },
- #endif
- #ifdef sun
- { &TRANS(PIPEFuncs), TRANS_LOCAL_PIPE_INDEX },
- #else /* !sun */
- #if !defined(__SCO__) && !defined(__UNIXWARE__)
- { &TRANS(ISCFuncs), TRANS_LOCAL_ISC_INDEX },
- #endif
- { &TRANS(SCOFuncs), TRANS_LOCAL_SCO_INDEX },
- #endif /* sun */
- #endif /* LOCALCONN */
- };
- #define NUMTRANS (sizeof(Xtransports)/sizeof(Xtransport_table))
- #ifdef WIN32
- #define ioctl ioctlsocket
- #endif
- /*
- * These are a few utility function used by the public interface functions.
- */
- void
- TRANS(FreeConnInfo) (XtransConnInfo ciptr)
- {
- PRMSG (3,"FreeConnInfo(%p)n", ciptr, 0, 0);
- if (ciptr->addr)
- xfree (ciptr->addr);
- if (ciptr->peeraddr)
- xfree (ciptr->peeraddr);
- if (ciptr->port)
- xfree (ciptr->port);
- xfree ((char *) ciptr);
- }
- #define PROTOBUFSIZE 20
- static Xtransport *
- TRANS(SelectTransport) (char *protocol)
- {
- char protobuf[PROTOBUFSIZE];
- int i;
- PRMSG (3,"SelectTransport(%s)n", protocol, 0, 0);
- /*
- * Force Protocol to be lowercase as a way of doing
- * a case insensitive match.
- */
- strncpy (protobuf, protocol, PROTOBUFSIZE - 1);
- protobuf[PROTOBUFSIZE-1] = ' ';
- for (i = 0; i < PROTOBUFSIZE && protobuf[i] != ' '; i++)
- if (isupper (protobuf[i]))
- protobuf[i] = tolower (protobuf[i]);
- /* Look at all of the configured protocols */
- for (i = 0; i < NUMTRANS; i++)
- {
- if (!strcmp (protobuf, Xtransports[i].transport->TransName))
- return Xtransports[i].transport;
- }
- return NULL;
- }
- #ifndef TEST_t
- static
- #endif /* TEST_t */
- int
- TRANS(ParseAddress) (char *address, char **protocol, char **host, char **port)
- {
- /*
- * For the font library, the address is a string formatted
- * as "protocol/host:port[/catalogue]". Note that the catologue
- * is optional. At this time, the catologue info is ignored, but
- * we have to parse it anyways.
- *
- * Other than fontlib, the address is a string formatted
- * as "protocol/host:port".
- *
- * If the protocol part is missing, then assume TCP.
- * If the protocol part and host part are missing, then assume local.
- * If a "::" is found then assume DNET.
- */
- char *mybuf, *tmpptr;
- char *_protocol, *_host, *_port;
- char hostnamebuf[256];
- int _host_len;
- PRMSG (3,"ParseAddress(%s)n", address, 0, 0);
- /* Copy the string so it can be changed */
- tmpptr = mybuf = (char *) xalloc (strlen (address) + 1);
- strcpy (mybuf, address);
- /* Parse the string to get each component */
- /* Get the protocol part */
- _protocol = mybuf;
- if ( ((mybuf = strchr (mybuf,'/')) == NULL) &&
- ((mybuf = strrchr (tmpptr,':')) == NULL) )
- {
- /* address is in a bad format */
- *protocol = NULL;
- *host = NULL;
- *port = NULL;
- xfree (tmpptr);
- return 0;
- }
- if (*mybuf == ':')
- {
- /*
- * If there is a hostname, then assume tcp, otherwise
- * it must be local.
- */
- if (mybuf == tmpptr)
- {
- /* There is neither a protocol or host specified */
- _protocol = "local";
- }
- else
- {
- /* There is a hostname specified */
- _protocol = "tcp";
- mybuf = tmpptr; /* reset to the begining of the host ptr */
- }
- }
- else
- {
- /* *mybuf == '/' */
- *mybuf ++= ' '; /* put a null at the end of the protocol */
- if (strlen(_protocol) == 0)
- {
- /*
- * If there is a hostname, then assume tcp, otherwise
- * it must be local.
- */
- if (*mybuf != ':')
- _protocol = "tcp";
- else
- _protocol = "local";
- }
- }
- /* Get the host part */
- _host = mybuf;
- if ((mybuf = strrchr (mybuf,':')) == NULL)
- {
- *protocol = NULL;
- *host = NULL;
- *port = NULL;
- xfree (tmpptr);
- return 0;
- }
- /* Check for DECnet */
- if ((mybuf != _host) && (*(mybuf - 1) == ':')
- #if defined(IPv6) && defined(AF_INET6)
- /* An IPv6 address can end in :: so three : in a row is assumed to be
- an IPv6 host and not a DECnet node with a : in it's name, unless
- DECnet is specifically requested */
- && ( ((mybuf - 1) == _host) || (*(mybuf - 2) != ':') ||
- ((_protocol != NULL) && (strcmp(_protocol, "dnet") == 0)) )
- #endif
- )
- {
- _protocol = "dnet";
- *(mybuf - 1) = ' ';
- }
- *mybuf ++= ' ';
- _host_len = strlen(_host);
- if (_host_len == 0)
- {
- TRANS(GetHostname) (hostnamebuf, sizeof (hostnamebuf));
- _host = hostnamebuf;
- }
- #if defined(IPv6) && defined(AF_INET6)
- /* hostname in IPv6 [numeric_addr]:0 form? */
- else if ( (_host_len > 3) &&
- ((strcmp(_protocol, "tcp") == 0) || (strcmp(_protocol, "inet6") == 0))
- && (*_host == '[') && (*(_host + _host_len - 1) == ']') ) {
- struct sockaddr_in6 sin6;
- *(_host + _host_len - 1) = ' ';
- /* Verify address is valid IPv6 numeric form */
- if (inet_pton(AF_INET6, _host + 1, &sin6) == 1) {
- /* It is. Use it as such. */
- _host++;
- _protocol = "inet6";
- } else {
- /* It's not, restore it just in case some other code can use it. */
- *(_host + _host_len - 1) = ']';
- }
- }
- #endif
- /* Get the port */
- _port = mybuf;
- #if defined(FONT_t) || defined(FS_t)
- /*
- * Is there an optional catalogue list?
- */
- if ((mybuf = strchr (mybuf,'/')) != NULL)
- *mybuf ++= ' ';
- /*
- * The rest, if any, is the (currently unused) catalogue list.
- *
- * _catalogue = mybuf;
- */
- #endif
- #ifdef HAVE_LAUNCHD
- /* launchd sockets will look like 'local//tmp/launch-XgkNns/:0' */
- if(address != NULL && strlen(address)>8 && (!strncmp(address,"local//",7))) {
- _protocol="local";
- _host="";
- _port=address+6;
- }
- #endif
- /*
- * Now that we have all of the components, allocate new
- * string space for them.
- */
- if ((*protocol = (char *) xalloc(strlen (_protocol) + 1)) == NULL)
- {
- /* Malloc failed */
- *port = NULL;
- *host = NULL;
- *protocol = NULL;
- xfree (tmpptr);
- return 0;
- }
- else
- strcpy (*protocol, _protocol);
- if ((*host = (char *) xalloc (strlen (_host) + 1)) == NULL)
- {
- /* Malloc failed */
- *port = NULL;
- *host = NULL;
- xfree (*protocol);
- *protocol = NULL;
- xfree (tmpptr);
- return 0;
- }
- else
- strcpy (*host, _host);
- if ((*port = (char *) xalloc (strlen (_port) + 1)) == NULL)
- {
- /* Malloc failed */
- *port = NULL;
- xfree (*host);
- *host = NULL;
- xfree (*protocol);
- *protocol = NULL;
- xfree (tmpptr);
- return 0;
- }
- else
- strcpy (*port, _port);
- xfree (tmpptr);
- return 1;
- }
- /*
- * TRANS(Open) does all of the real work opening a connection. The only
- * funny part about this is the type parameter which is used to decide which
- * type of open to perform.
- */
- static XtransConnInfo
- TRANS(Open) (int type, char *address)
- {
- char *protocol = NULL, *host = NULL, *port = NULL;
- XtransConnInfo ciptr = NULL;
- Xtransport *thistrans;
- PRMSG (2,"Open(%d,%s)n", type, address, 0);
- #if defined(WIN32) && defined(TCPCONN)
- if (TRANS(WSAStartup)())
- {
- PRMSG (1,"Open: WSAStartup failedn", 0, 0, 0);
- return NULL;
- }
- #endif
- /* Parse the Address */
- if (TRANS(ParseAddress) (address, &protocol, &host, &port) == 0)
- {
- PRMSG (1,"Open: Unable to Parse address %sn", address, 0, 0);
- return NULL;
- }
- /* Determine the transport type */
- if ((thistrans = TRANS(SelectTransport) (protocol)) == NULL)
- {
- PRMSG (1,"Open: Unable to find transport for %sn",
- protocol, 0, 0);
- xfree (protocol);
- xfree (host);
- xfree (port);
- return NULL;
- }
- /* Open the transport */
- switch (type)
- {
- case XTRANS_OPEN_COTS_CLIENT:
- #ifdef TRANS_CLIENT
- ciptr = thistrans->OpenCOTSClient(thistrans, protocol, host, port);
- #endif /* TRANS_CLIENT */
- break;
- case XTRANS_OPEN_COTS_SERVER:
- #ifdef TRANS_SERVER
- ciptr = thistrans->OpenCOTSServer(thistrans, protocol, host, port);
- #endif /* TRANS_SERVER */
- break;
- case XTRANS_OPEN_CLTS_CLIENT:
- #ifdef TRANS_CLIENT
- ciptr = thistrans->OpenCLTSClient(thistrans, protocol, host, port);
- #endif /* TRANS_CLIENT */
- break;
- case XTRANS_OPEN_CLTS_SERVER:
- #ifdef TRANS_SERVER
- ciptr = thistrans->OpenCLTSServer(thistrans, protocol, host, port);
- #endif /* TRANS_SERVER */
- break;
- default:
- PRMSG (1,"Open: Unknown Open type %dn", type, 0, 0);
- }
- if (ciptr == NULL)
- {
- if (!(thistrans->flags & TRANS_DISABLED))
- {
- PRMSG (1,"Open: transport open failed for %s/%s:%sn",
- protocol, host, port);
- }
- xfree (protocol);
- xfree (host);
- xfree (port);
- return NULL;
- }
- ciptr->transptr = thistrans;
- ciptr->port = port; /* We need this for TRANS(Reopen) */
- xfree (protocol);
- xfree (host);
- return ciptr;
- }
- #ifdef TRANS_REOPEN
- /*
- * We might want to create an XtransConnInfo object based on a previously
- * opened connection. For example, the font server may clone itself and
- * pass file descriptors to the parent.
- */
- static XtransConnInfo
- TRANS(Reopen) (int type, int trans_id, int fd, char *port)
- {
- XtransConnInfo ciptr = NULL;
- Xtransport *thistrans = NULL;
- char *save_port;
- int i;
- PRMSG (2,"Reopen(%d,%d,%s)n", trans_id, fd, port);
- /* Determine the transport type */
- for (i = 0; i < NUMTRANS; i++)
- if (Xtransports[i].transport_id == trans_id)
- {
- thistrans = Xtransports[i].transport;
- break;
- }
- if (thistrans == NULL)
- {
- PRMSG (1,"Reopen: Unable to find transport id %dn",
- trans_id, 0, 0);
- return NULL;
- }
- if ((save_port = (char *) xalloc (strlen (port) + 1)) == NULL)
- {
- PRMSG (1,"Reopen: Unable to malloc port stringn", 0, 0, 0);
- return NULL;
- }
- strcpy (save_port, port);
- /* Get a new XtransConnInfo object */
- switch (type)
- {
- case XTRANS_OPEN_COTS_SERVER:
- ciptr = thistrans->ReopenCOTSServer(thistrans, fd, port);
- break;
- case XTRANS_OPEN_CLTS_SERVER:
- ciptr = thistrans->ReopenCLTSServer(thistrans, fd, port);
- break;
- default:
- PRMSG (1,"Reopen: Bad Open type %dn", type, 0, 0);
- }
- if (ciptr == NULL)
- {
- PRMSG (1,"Reopen: transport open failedn", 0, 0, 0);
- return NULL;
- }
- ciptr->transptr = thistrans;
- ciptr->port = save_port;
- return ciptr;
- }
- #endif /* TRANS_REOPEN */
- /*
- * These are the public interfaces to this Transport interface.
- * These are the only functions that should have knowledge of the transport
- * table.
- */
- #ifdef TRANS_CLIENT
- XtransConnInfo
- TRANS(OpenCOTSClient) (char *address)
- {
- PRMSG (2,"OpenCOTSClient(%s)n", address, 0, 0);
- return TRANS(Open) (XTRANS_OPEN_COTS_CLIENT, address);
- }
- #endif /* TRANS_CLIENT */
- #ifdef TRANS_SERVER
- XtransConnInfo
- TRANS(OpenCOTSServer) (char *address)
- {
- PRMSG (2,"OpenCOTSServer(%s)n", address, 0, 0);
- return TRANS(Open) (XTRANS_OPEN_COTS_SERVER, address);
- }
- #endif /* TRANS_SERVER */
- #ifdef TRANS_CLIENT
- XtransConnInfo
- TRANS(OpenCLTSClient) (char *address)
- {
- PRMSG (2,"OpenCLTSClient(%s)n", address, 0, 0);
- return TRANS(Open) (XTRANS_OPEN_CLTS_CLIENT, address);
- }
- #endif /* TRANS_CLIENT */
- #ifdef TRANS_SERVER
- XtransConnInfo
- TRANS(OpenCLTSServer) (char *address)
- {
- PRMSG (2,"OpenCLTSServer(%s)n", address, 0, 0);
- return TRANS(Open) (XTRANS_OPEN_CLTS_SERVER, address);
- }
- #endif /* TRANS_SERVER */
- #ifdef TRANS_REOPEN
- XtransConnInfo
- TRANS(ReopenCOTSServer) (int trans_id, int fd, char *port)
- {
- PRMSG (2,"ReopenCOTSServer(%d, %d, %s)n", trans_id, fd, port);
- return TRANS(Reopen) (XTRANS_OPEN_COTS_SERVER, trans_id, fd, port);
- }
- XtransConnInfo
- TRANS(ReopenCLTSServer) (int trans_id, int fd, char *port)
- {
- PRMSG (2,"ReopenCLTSServer(%d, %d, %s)n", trans_id, fd, port);
- return TRANS(Reopen) (XTRANS_OPEN_CLTS_SERVER, trans_id, fd, port);
- }
- int
- TRANS(GetReopenInfo) (XtransConnInfo ciptr,
- int *trans_id, int *fd, char **port)
- {
- int i;
- for (i = 0; i < NUMTRANS; i++)
- if (Xtransports[i].transport == ciptr->transptr)
- {
- *trans_id = Xtransports[i].transport_id;
- *fd = ciptr->fd;
- if ((*port = (char *) xalloc (strlen (ciptr->port) + 1)) == NULL)
- return 0;
- else
- {
- strcpy (*port, ciptr->port);
- return 1;
- }
- }
- return 0;
- }
- #endif /* TRANS_REOPEN */
- int
- TRANS(SetOption) (XtransConnInfo ciptr, int option, int arg)
- {
- int fd = ciptr->fd;
- int ret = 0;
- PRMSG (2,"SetOption(%d,%d,%d)n", fd, option, arg);
- /*
- * For now, all transport type use the same stuff for setting options.
- * As long as this is true, we can put the common code here. Once a more
- * complicated transport such as shared memory or an OSI implementation
- * that uses the session and application libraries is implemented, this
- * code may have to move to a transport dependent function.
- *
- * ret = ciptr->transptr->SetOption (ciptr, option, arg);
- */
- switch (option)
- {
- case TRANS_NONBLOCKING:
- switch (arg)
- {
- case 0:
- /* Set to blocking mode */
- break;
- case 1: /* Set to non-blocking mode */
- #if defined(O_NONBLOCK) && !defined(SCO325)
- ret = fcntl (fd, F_GETFL, 0);
- if (ret != -1)
- ret = fcntl (fd, F_SETFL, ret | O_NONBLOCK);
- #else
- #ifdef FIOSNBIO
- {
- int arg;
- arg = 1;
- ret = ioctl (fd, FIOSNBIO, &arg);
- }
- #else
- #if defined(WIN32)
- {
- #ifdef WIN32
- u_long arg;
- #else
- int arg;
- #endif
- arg = 1;
- /* IBM TCP/IP understands this option too well: it causes TRANS(Read) to fail
- * eventually with EWOULDBLOCK */
- ret = ioctl (fd, FIONBIO, &arg);
- }
- #else
- ret = fcntl (fd, F_GETFL, 0);
- #ifdef FNDELAY
- ret = fcntl (fd, F_SETFL, ret | FNDELAY);
- #else
- ret = fcntl (fd, F_SETFL, ret | O_NDELAY);
- #endif
- #endif /* AIXV3 || uniosu */
- #endif /* FIOSNBIO */
- #endif /* O_NONBLOCK */
- break;
- default:
- /* Unknown option */
- break;
- }
- break;
- case TRANS_CLOSEONEXEC:
- #ifdef F_SETFD
- #ifdef FD_CLOEXEC
- ret = fcntl (fd, F_SETFD, FD_CLOEXEC);
- #else
- ret = fcntl (fd, F_SETFD, 1);
- #endif /* FD_CLOEXEC */
- #endif /* F_SETFD */
- break;
- }
- return ret;
- }
- #ifdef TRANS_SERVER
- int
- TRANS(CreateListener) (XtransConnInfo ciptr, char *port, unsigned int flags)
- {
- return ciptr->transptr->CreateListener (ciptr, port, flags);
- }
- int
- TRANS(NoListen) (char * protocol)
- {
- Xtransport *trans;
- int i = 0, ret = 0;
- if ((trans = TRANS(SelectTransport)(protocol)) == NULL)
- {
- PRMSG (1,"TransNoListen: unable to find transport: %sn",
- protocol, 0, 0);
- return -1;
- }
- if (trans->flags & TRANS_ALIAS) {
- if (trans->nolisten)
- while (trans->nolisten[i]) {
- ret |= TRANS(NoListen)(trans->nolisten[i]);
- i++;
- }
- }
- trans->flags |= TRANS_NOLISTEN;
- return ret;
- }
- int
- TRANS(ResetListener) (XtransConnInfo ciptr)
- {
- if (ciptr->transptr->ResetListener)
- return ciptr->transptr->ResetListener (ciptr);
- else
- return TRANS_RESET_NOOP;
- }
- XtransConnInfo
- TRANS(Accept) (XtransConnInfo ciptr, int *status)
- {
- XtransConnInfo newciptr;
- PRMSG (2,"Accept(%d)n", ciptr->fd, 0, 0);
- newciptr = ciptr->transptr->Accept (ciptr, status);
- if (newciptr)
- newciptr->transptr = ciptr->transptr;
- return newciptr;
- }
- #endif /* TRANS_SERVER */
- #ifdef TRANS_CLIENT
- int
- TRANS(Connect) (XtransConnInfo ciptr, char *address)
- {
- char *protocol;
- char *host;
- char *port;
- int ret;
- PRMSG (2,"Connect(%d,%s)n", ciptr->fd, address, 0);
- if (TRANS(ParseAddress) (address, &protocol, &host, &port) == 0)
- {
- PRMSG (1,"Connect: Unable to Parse address %sn",
- address, 0, 0);
- return -1;
- }
- #ifdef HAVE_LAUNCHD
- if (!host) host=strdup("");
- #endif
- if (!port || !*port)
- {
- PRMSG (1,"Connect: Missing port specification in %sn",
- address, 0, 0);
- if (protocol) xfree (protocol);
- if (host) xfree (host);
- return -1;
- }
- ret = ciptr->transptr->Connect (ciptr, host, port);
- if (protocol) xfree (protocol);
- if (host) xfree (host);
- if (port) xfree (port);
- return ret;
- }
- #endif /* TRANS_CLIENT */
- int
- TRANS(BytesReadable) (XtransConnInfo ciptr, BytesReadable_t *pend)
- {
- return ciptr->transptr->BytesReadable (ciptr, pend);
- }
- int
- TRANS(Read) (XtransConnInfo ciptr, char *buf, int size)
- {
- return ciptr->transptr->Read (ciptr, buf, size);
- }
- int
- TRANS(Write) (XtransConnInfo ciptr, char *buf, int size)
- {
- return ciptr->transptr->Write (ciptr, buf, size);
- }
- int
- TRANS(Readv) (XtransConnInfo ciptr, struct iovec *buf, int size)
- {
- return ciptr->transptr->Readv (ciptr, buf, size);
- }
- int
- TRANS(Writev) (XtransConnInfo ciptr, struct iovec *buf, int size)
- {
- return ciptr->transptr->Writev (ciptr, buf, size);
- }
- int
- TRANS(Disconnect) (XtransConnInfo ciptr)
- {
- return ciptr->transptr->Disconnect (ciptr);
- }
- int
- TRANS(Close) (XtransConnInfo ciptr)
- {
- int ret;
- PRMSG (2,"Close(%d)n", ciptr->fd, 0, 0);
- ret = ciptr->transptr->Close (ciptr);
- TRANS(FreeConnInfo) (ciptr);
- return ret;
- }
- int
- TRANS(CloseForCloning) (XtransConnInfo ciptr)
- {
- int ret;
- PRMSG (2,"CloseForCloning(%d)n", ciptr->fd, 0, 0);
- ret = ciptr->transptr->CloseForCloning (ciptr);
- TRANS(FreeConnInfo) (ciptr);
- return ret;
- }
- int
- TRANS(IsLocal) (XtransConnInfo ciptr)
- {
- return (ciptr->family == AF_UNIX);
- }
- int
- TRANS(GetMyAddr) (XtransConnInfo ciptr, int *familyp, int *addrlenp,
- Xtransaddr **addrp)
- {
- PRMSG (2,"GetMyAddr(%d)n", ciptr->fd, 0, 0);
- *familyp = ciptr->family;
- *addrlenp = ciptr->addrlen;
- if ((*addrp = (Xtransaddr *) xalloc (ciptr->addrlen)) == NULL)
- {
- PRMSG (1,"GetMyAddr: malloc failedn", 0, 0, 0);
- return -1;
- }
- memcpy(*addrp, ciptr->addr, ciptr->addrlen);
- return 0;
- }
- int
- TRANS(GetPeerAddr) (XtransConnInfo ciptr, int *familyp, int *addrlenp,
- Xtransaddr **addrp)
- {
- PRMSG (2,"GetPeerAddr(%d)n", ciptr->fd, 0, 0);
- *familyp = ciptr->family;
- *addrlenp = ciptr->peeraddrlen;
- if ((*addrp = (Xtransaddr *) xalloc (ciptr->peeraddrlen)) == NULL)
- {
- PRMSG (1,"GetPeerAddr: malloc failedn", 0, 0, 0);
- return -1;
- }
- memcpy(*addrp, ciptr->peeraddr, ciptr->peeraddrlen);
- return 0;
- }
- int
- TRANS(GetConnectionNumber) (XtransConnInfo ciptr)
- {
- return ciptr->fd;
- }
- /*
- * These functions are really utility functions, but they require knowledge
- * of the internal data structures, so they have to be part of the Transport
- * Independant API.
- */
- #ifdef TRANS_SERVER
- static int
- complete_network_count (void)
- {
- int count = 0;
- int found_local = 0;
- int i;
- /*
- * For a complete network, we only need one LOCALCONN transport to work
- */
- for (i = 0; i < NUMTRANS; i++)
- {
- if (Xtransports[i].transport->flags & TRANS_ALIAS
- || Xtransports[i].transport->flags & TRANS_NOLISTEN)
- continue;
- if (Xtransports[i].transport->flags & TRANS_LOCAL)
- found_local = 1;
- else
- count++;
- }
- return (count + found_local);
- }
- #ifdef XQUARTZ_EXPORTS_LAUNCHD_FD
- extern int xquartz_launchd_fd;
- #endif
- int
- TRANS(MakeAllCOTSServerListeners) (char *port, int *partial, int *count_ret,
- XtransConnInfo **ciptrs_ret)
- {
- char buffer[256]; /* ??? What size ?? */
- XtransConnInfo ciptr, temp_ciptrs[NUMTRANS];
- int status, i, j;
- #if defined(IPv6) && defined(AF_INET6)
- int ipv6_succ = 0;
- #endif
- PRMSG (2,"MakeAllCOTSServerListeners(%s,%p)n",
- port ? port : "NULL", ciptrs_ret, 0);
- *count_ret = 0;
- #ifdef XQUARTZ_EXPORTS_LAUNCHD_FD
- fprintf(stderr, "Launchd socket fd: %dn", xquartz_launchd_fd);
- if(xquartz_launchd_fd != -1) {
- if((ciptr = TRANS(ReopenCOTSServer(TRANS_SOCKET_LOCAL_INDEX,
- xquartz_launchd_fd, getenv("DISPLAY"))))==NULL)
- fprintf(stderr,"Got NULL while trying to Reopen launchd portn");
- else
- temp_ciptrs[(*count_ret)++] = ciptr;
- }
- #endif
- for (i = 0; i < NUMTRANS; i++)
- {
- Xtransport *trans = Xtransports[i].transport;
- unsigned int flags = 0;
- if (trans->flags&TRANS_ALIAS || trans->flags&TRANS_NOLISTEN)
- continue;
- snprintf(buffer, sizeof(buffer), "%s/:%s",
- trans->TransName, port ? port : "");
- PRMSG (5,"MakeAllCOTSServerListeners: opening %sn",
- buffer, 0, 0);
- if ((ciptr = TRANS(OpenCOTSServer(buffer))) == NULL)
- {
- if (trans->flags & TRANS_DISABLED)
- continue;
- PRMSG (1,
- "MakeAllCOTSServerListeners: failed to open listener for %sn",
- trans->TransName, 0, 0);
- continue;
- }
- #if defined(IPv6) && defined(AF_INET6)
- if ((Xtransports[i].transport_id == TRANS_SOCKET_INET_INDEX
- && ipv6_succ))
- flags |= ADDR_IN_USE_ALLOWED;
- #endif
- if ((status = TRANS(CreateListener (ciptr, port, flags))) < 0)
- {
- if (status == TRANS_ADDR_IN_USE)
- {
- /*
- * We failed to bind to the specified address because the
- * address is in use. It must be that a server is already
- * running at this address, and this function should fail.
- */
- PRMSG (1,
- "MakeAllCOTSServerListeners: server already runningn",
- 0, 0, 0);
- for (j = 0; j < *count_ret; j++)
- TRANS(Close) (temp_ciptrs[j]);
- *count_ret = 0;
- *ciptrs_ret = NULL;
- *partial = 0;
- return -1;
- }
- else
- {
- PRMSG (1,
- "MakeAllCOTSServerListeners: failed to create listener for %sn",
- trans->TransName, 0, 0);
- continue;
- }
- }
- #if defined(IPv6) && defined(AF_INET6)
- if (Xtransports[i].transport_id == TRANS_SOCKET_INET6_INDEX)
- ipv6_succ = 1;
- #endif
- PRMSG (5,
- "MakeAllCOTSServerListeners: opened listener for %s, %dn",
- trans->TransName, ciptr->fd, 0);
- temp_ciptrs[*count_ret] = ciptr;
- (*count_ret)++;
- }
- *partial = (*count_ret < complete_network_count());
- PRMSG (5,
- "MakeAllCOTSServerListeners: partial=%d, actual=%d, complete=%d n",
- *partial, *count_ret, complete_network_count());
- if (*count_ret > 0)
- {
- if ((*ciptrs_ret = (XtransConnInfo *) xalloc (
- *count_ret * sizeof (XtransConnInfo))) == NULL)
- {
- return -1;
- }
- for (i = 0; i < *count_ret; i++)
- {
- (*ciptrs_ret)[i] = temp_ciptrs[i];
- }
- }
- else
- *ciptrs_ret = NULL;
- return 0;
- }
- int
- TRANS(MakeAllCLTSServerListeners) (char *port, int *partial, int *count_ret,
- XtransConnInfo **ciptrs_ret)
- {
- char buffer[256]; /* ??? What size ?? */
- XtransConnInfo ciptr, temp_ciptrs[NUMTRANS];
- int status, i, j;
- PRMSG (2,"MakeAllCLTSServerListeners(%s,%p)n",
- port ? port : "NULL", ciptrs_ret, 0);
- *count_ret = 0;
- for (i = 0; i < NUMTRANS; i++)
- {
- Xtransport *trans = Xtransports[i].transport;
- if (trans->flags&TRANS_ALIAS || trans->flags&TRANS_NOLISTEN)
- continue;
- snprintf(buffer, sizeof(buffer), "%s/:%s",
- trans->TransName, port ? port : "");
- PRMSG (5,"MakeAllCLTSServerListeners: opening %sn",
- buffer, 0, 0);
- if ((ciptr = TRANS(OpenCLTSServer (buffer))) == NULL)
- {
- PRMSG (1,
- "MakeAllCLTSServerListeners: failed to open listener for %sn",
- trans->TransName, 0, 0);
- continue;
- }
- if ((status = TRANS(CreateListener (ciptr, port, 0))) < 0)
- {
- if (status == TRANS_ADDR_IN_USE)
- {
- /*
- * We failed to bind to the specified address because the
- * address is in use. It must be that a server is already
- * running at this address, and this function should fail.
- */
- PRMSG (1,
- "MakeAllCLTSServerListeners: server already runningn",
- 0, 0, 0);
- for (j = 0; j < *count_ret; j++)
- TRANS(Close) (temp_ciptrs[j]);
- *count_ret = 0;
- *ciptrs_ret = NULL;
- *partial = 0;
- return -1;
- }
- else
- {
- PRMSG (1,
- "MakeAllCLTSServerListeners: failed to create listener for %sn",
- trans->TransName, 0, 0);
- continue;
- }
- }
- PRMSG (5,
- "MakeAllCLTSServerListeners: opened listener for %s, %dn",
- trans->TransName, ciptr->fd, 0);
- temp_ciptrs[*count_ret] = ciptr;
- (*count_ret)++;
- }
- *partial = (*count_ret < complete_network_count());
- PRMSG (5,
- "MakeAllCLTSServerListeners: partial=%d, actual=%d, complete=%d n",
- *partial, *count_ret, complete_network_count());
- if (*count_ret > 0)
- {
- if ((*ciptrs_ret = (XtransConnInfo *) xalloc (
- *count_ret * sizeof (XtransConnInfo))) == NULL)
- {
- return -1;
- }
- for (i = 0; i < *count_ret; i++)
- {
- (*ciptrs_ret)[i] = temp_ciptrs[i];
- }
- }
- else
- *ciptrs_ret = NULL;
- return 0;
- }
- #endif /* TRANS_SERVER */
- /*
- * These routines are not part of the X Transport Interface, but they
- * may be used by it.
- */
- #if defined(SYSV) && defined(__i386__) && !defined(__SCO__) && !defined(sun) || defined(WIN32)
- /*
- * emulate readv
- */
- static int TRANS(ReadV) (XtransConnInfo ciptr, struct iovec *iov, int iovcnt)
- {
- int i, len, total;
- char *base;
- ESET(0);
- for (i = 0, total = 0; i < iovcnt; i++, iov++) {
- len = iov->iov_len;
- base = iov->iov_base;
- while (len > 0) {
- register int nbytes;
- nbytes = TRANS(Read) (ciptr, base, len);
- if (nbytes < 0 && total == 0) return -1;
- if (nbytes <= 0) return total;
- ESET(0);
- len -= nbytes;
- total += nbytes;
- base += nbytes;
- }
- }
- return total;
- }
- #endif /* SYSV && __i386__ || WIN32 || __sxg__ */
- #if defined(SYSV) && defined(__i386__) && !defined(__SCO__) && !defined(sun) || defined(WIN32)
- /*
- * emulate writev
- */
- static int TRANS(WriteV) (XtransConnInfo ciptr, struct iovec *iov, int iovcnt)
- {
- int i, len, total;
- char *base;
- ESET(0);
- for (i = 0, total = 0; i < iovcnt; i++, iov++) {
- len = iov->iov_len;
- base = iov->iov_base;
- while (len > 0) {
- register int nbytes;
- nbytes = TRANS(Write) (ciptr, base, len);
- if (nbytes < 0 && total == 0) return -1;
- if (nbytes <= 0) return total;
- ESET(0);
- len -= nbytes;
- total += nbytes;
- base += nbytes;
- }
- }
- return total;
- }
- #endif /* SYSV && __i386__ || WIN32 || __sxg__ */
- #if defined(_POSIX_SOURCE) || defined(USG) || defined(SVR4) || defined(__SCO__)
- #ifndef NEED_UTSNAME
- #define NEED_UTSNAME
- #endif
- #include <sys/utsname.h>
- #endif
- /*
- * TRANS(GetHostname) - similar to gethostname but allows special processing.
- */
- int TRANS(GetHostname) (char *buf, int maxlen)
- {
- int len;
- #ifdef NEED_UTSNAME
- struct utsname name;
- uname (&name);
- len = strlen (name.nodename);
- if (len >= maxlen) len = maxlen - 1;
- strncpy (buf, name.nodename, len);
- buf[len] = ' ';
- #else
- buf[0] = ' ';
- (void) gethostname (buf, maxlen);
- buf [maxlen - 1] = ' ';
- len = strlen(buf);
- #endif /* NEED_UTSNAME */
- return len;
- }