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Diffstat (limited to 'TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_shared/com.h')
| -rw-r--r-- | TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_shared/com.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_shared/com.h b/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_shared/com.h new file mode 100644 index 00000000000..cf97b4b1796 --- /dev/null +++ b/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_shared/com.h @@ -0,0 +1,112 @@ +/* $Id$ */ +/* Copyright (c) 1995 Oregon Graduate Institute of Science and Technology + * P.O.Box 91000-1000, Portland, OR 97291, USA; + * + * 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, and that the name of O.G.I. not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. O.G.I. makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * O.G.I. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING + * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL + * O.G.I. 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. + * + * Author: Shanwei Cen + * Department of Computer Science and Engineering + * email: scen@cse.ogi.edu + */ +/* +Some assumptions about the streams created in this file: + + PACKET STREAM: + + * send(), recv() may not work, we can only use + read()/write(). + + * write(): either send the whole packet, or send nothing + + * read(): read() will read the minimun of the + requested number of bytes and current packet size. + read() can read part of a packet, but it + will not read cross packet boundaris + + There are two modes: non-discard and dicard. If a packets is + not read all its bytes, the remaining bytes will be + or not be discarded. + + This is indicated by if (*max_pkt_size) is positive + (non-discard) or negative (discard) + + BYTE_STREAM: reliable + + * write(): might write only part of requested bytes + each time. (this is the case in SunOS4) + + * read(): might read less than requested bytes. + (this is the case in SunOS4). +*/ + +/* returns: -1 -- failed, 0 -- successful */ +int ComInitClient(int inet_port, char * unix_port, char * atm_port); + +void ComCloseClient(void); + +/* address format: [ATM:|INET:]real_address | "" + + "" -- UNIX socket, reliable byte stream + [INET:]real_address -- INET sockets, reliable control byte stream, and + *max_pkt_size == 0 : reliable data byte stream, or + != 0 : unreliable packet stream; + ATM:real_address -- ATM sockets, both data and control are + unreliable packet streams; + DATM:real_address -- INET/UNIX control reliable byte stream + and ATM unreliable byte stream; + + returns: -1 -- failed, 0 -- successful + *ctr_fd -- control connection file descriptor + *data_fd -- data connection file descriptor + *max_pkt_size -- == 0 : reliable BYTE_STREAM + > 0 : unreliable non-discard PACKET STREAM + with given maximum packet size (bytes); + < 0 : unreliable discard PACKET STREAM + with given maximum packet size (bytes); + + It is suggested that if a BYTE_STREAM is not known to be discarded, + than it is safer to indicate it as discard. + */ +int ComOpenConnPair(char * address, int *ctr_fd, int *data_fd, int *max_pkt_size); +int VideoComOpenConnPair(char * address, int *ctr_fd, int *data_fd, int *max_pkt_size); + + +/* returns: -1 -- failed, >=0 -- fd */ +int ComOpenConn(char * address, int *max_pkt_size); + +/* returns: -1 -- failed, 0 -- successful */ +int ComCloseFd(int fd); + +/* returns: -1 -- failed, 0 -- successful */ +int ComCloseConn(int fd); + +/* returns: -1 -- failed, 0 -- successful */ +int ComInitServer(int inet_port, char * unix_port, char * atm_port); + +void ComCloseListen(void); + +void ComCloseServer(void); + +/* returns: -1 -- failed, 0 -- successful + *max_pkt_size is used only for returning value +*/ +int ComGetConnPair(int *ctr_fd, int *data_fd, int *max_pkt_size); + +/* returns: -1 -- failed, >= 0 -- fd */ +int ComGetConn(int *max_pkt_size); + |