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authorJaromil <jaromil@dyne.org>2011-04-15 10:42:45 (GMT)
committer Jaromil <jaromil@dyne.org>2011-04-15 10:42:45 (GMT)
commit449436246bd1ba482604fc17f8bd5abf5d1cc939 (patch)
treed90c94a4e9283413e68fc0ef7f72d06c6196f14c
starting avremote from first commit in hdsync + getopt fixes
-rw-r--r--COPYING661
-rw-r--r--Makefile.am1
-rw-r--r--README32
-rw-r--r--configure.ac84
-rw-r--r--src/Makefile.am3
-rw-r--r--src/avremote.c354
6 files changed, 1135 insertions, 0 deletions
diff --git a/COPYING b/COPYING
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--- /dev/null
+++ b/COPYING
@@ -0,0 +1,661 @@
+ GNU AFFERO GENERAL PUBLIC LICENSE
+ Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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+
+ IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+ 17. Interpretation of Sections 15 and 16.
+
+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source. For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code. There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<http://www.gnu.org/licenses/>.
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..af437a6
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1 @@
+SUBDIRS = src
diff --git a/README b/README
new file mode 100644
index 0000000..fc6513b
--- /dev/null
+++ b/README
@@ -0,0 +1,32 @@
+
+AVRemote - tool to send AVTransport commands to UPNP media services
+
+AVRemote aims to be a simple and portable tool to send UPNP commands
+to devices supporting the AVTransport 1 and 2 specification. It allows
+to control the playback of audio/video files on media players using
+the commandline.
+
+AVRemote consists of code written in C.
+
+
+Our main goals are simplicity, speed, portability on embedded devices,
+small footprint and reentrancy.
+
+AVRemote is Copyright:
+
+ (c) 2011 Nederlands Instituut voor Mediakunst (NIMk)
+ 2011 Denis Roio <jaromil@nimk.nl>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as
+ published by the Free Software Foundation, either version 3 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>
+
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..0614b09
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,84 @@
+dnl ==============================================================
+dnl Process this file with autoconf to produce a configure script.
+dnl ==============================================================
+
+dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
+AC_PREREQ([2.60])
+
+AC_INIT([avremote],[0.1.0],[jaromil@nimk.nl],[avremote])
+AC_CONFIG_MACRO_DIR([m4])
+AC_CANONICAL_HOST
+
+dnl backwards compatibility for autoconf >= 2.64
+dnl PACKAGE_URL should be the fifth argument of AC_INIT
+m4_define([AC_PACKAGE_URL], [http://nimk.nl/syncstarter])
+AC_DEFINE(PACKAGE_URL, "AC_PACKAGE_URL", [Package URL])
+AC_SUBST(PACKAGE_URL, AC_PACKAGE_URL)
+
+dnl ==============================================================
+dnl Setup for automake
+dnl ==============================================================
+
+AM_INIT_AUTOMAKE([dist-bzip2 subdir-objects])
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
+AC_CONFIG_SRCDIR([src])
+AC_CONFIG_HEADERS([config.h])
+
+dnl Checks for programs.
+AC_PROG_CXX
+AC_PROG_CPP
+AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_PROG_MAKE_SET
+
+
+dnl Fortunately we have Solaris...
+AC_CHECK_HEADERS(sys/sockio.h)
+
+AC_CHECK_FUNCS(srandom random)
+if test $ac_cv_func_srandom = no; then
+ # let's try with the older srand/rand functions
+ AC_CHECK_FUNCS(srand rand)
+fi
+
+dnl Advanced network address translating functions
+AC_CHECK_FUNCS(inet_pton inet_ntop)
+
+dnl Support BSD4.4 "sa_len" extension when calculating sockaddrs arrays
+AC_CHECK_MEMBERS(struct sockaddr.sa_len, , , [#include <sys/types.h>
+#include <sys/socket.h>])
+
+dnl Check if it is available the RFC2292 IPv4 extension and in_port_t.
+AC_CHECK_TYPES([struct in_pktinfo, in_port_t], , , [#include <sys/types.h>
+#include <netinet/in.h>])
+
+dnl AC_CHECK_HEADERS([stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h])
+
+
+dnl ==============================================================
+dnl compile with full warnings and debugging symbols
+dnl ==============================================================
+AC_ARG_ENABLE(debug,
+ AS_HELP_STRING([--enable-debug],[compile with debug symbols (no)]),
+ [enable_debug=$enableval],
+ [enable_debug=no])
+
+if test x$enable_debug = xyes; then
+ GLOBAL_CFLAGS="$GLOBAL_CFLAGS -Wall -g -ggdb"
+fi
+
+
+# declare the flags gathered so far
+CFLAGS="$GLOBAL_CFLAGS $CFLAGS"
+AC_SUBST(CFLAGS)
+CXXFLAGS="$GLOBAL_CFLAGS $CXXFLAGS"
+AC_SUBST(CXXFLAGS)
+
+AC_CONFIG_FILES([
+Makefile
+src/Makefile
+])
+AC_OUTPUT
+
+
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..f9ec688
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,3 @@
+bin_PROGRAMS = avremote
+
+avremote_SOURCES = avremote.c
diff --git a/src/avremote.c b/src/avremote.c
new file mode 100644
index 0000000..37621aa
--- /dev/null
+++ b/src/avremote.c
@@ -0,0 +1,354 @@
+/* AVRemote
+
+ (c) 2011 Nederlands Instituut voor Mediakunst (NIMk)
+ 2011 Denis Roio <jaromil@nimk.nl>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as
+ published by the Free Software Foundation, either version 3 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>
+
+
+
+
+
+ This code is written in C and is reentrant.
+ Our main goals are simplicity and speed.
+
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+
+#include <errno.h>
+
+#include <libgen.h>
+
+// our exit codes are shell style: 1 is error, 0 is success
+#define ERR 1
+
+// uncomment to debug
+#define DEBUG 1
+
+
+// format (printf style) to be used when generating xml markup
+#define UPNP_MSG_FORMAT "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" \
+ "<s:Envelope s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\"" \
+ "xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\">\r\n<s:Body>\r\n" \
+ "<u:%s xmlns:u=\"urn:schemas-upnp-org:service:AVTransport:1\">\r\n" \
+ "<InstanceID>0</InstanceID>\r\n%s\r\n</u:%s>\r\n</s:Body>\r\n</s:Envelope>\r\n"
+
+#define UPNP_HDR_FORMAT "POST /MediaRenderer_AVTransport/control HTTP/1.0\r\n" \
+ "SOAPACTION: \"urn:schemas-upnp-org:service:AVTransport:1#%s\"\r\n" \
+ "CONTENT-TYPE: text/xml ; charset=\"utf-8\"\r\n" \
+ "HOST: %s:%u\r\n" \
+ "Connection: close\r\n" \
+ "Content-Length: %u\r\n" \
+ "\r\n"
+
+char filename[512];
+char command[64];
+char server[512];
+int port = 0;
+
+// messages get rendered in this structure
+// allocated and freed with create/free_upnp
+typedef struct {
+ char *hostname;
+ int port;
+ int sockfd;
+
+ char *msg;
+ char *hdr;
+ char *res;
+
+ size_t size;
+} upnp_t;
+
+
+
+
+upnp_t *create_upnp() {
+ upnp_t *upnp;
+ upnp = calloc(1,sizeof(upnp_t));
+ upnp->hostname = calloc(256,sizeof(char));
+ upnp->port = -1;
+ upnp->sockfd = -1;
+
+ upnp->msg = (char*) calloc(1024,sizeof(char));
+ upnp->hdr = (char*) calloc(512,sizeof(char));
+ upnp->res = (char*) calloc(1401,sizeof(char));
+
+ upnp->size = -1;
+
+ return(upnp);
+}
+
+void free_upnp(upnp_t *upnp) {
+ if(!upnp) {
+ fprintf(stderr,"error: upnp object is NULL (%s)",__PRETTY_FUNCTION__);
+ return;
+ }
+ if(upnp->sockfd > 0) close(upnp->sockfd);
+ if(upnp->hostname) free(upnp->hostname);
+ if(upnp->msg) free(upnp->msg);
+ if(upnp->hdr) free(upnp->hdr);
+ if(upnp->res) free(upnp->res);
+
+ free(upnp);
+}
+
+int check_upnp(upnp_t *upnp, const char *caller) {
+ int res = 1;
+ if(!upnp) {
+ fprintf(stderr,"error: upnp object is NULL (%s)",caller);
+ res = 0;
+ }
+ if(!upnp) {
+ fprintf(stderr,"error: upnp is not connected (%s)",caller);
+ res = 0;
+ }
+ return(res);
+}
+
+int connect_upnp(upnp_t *upnp, char *hostname, int port) {
+ struct sockaddr_in serveraddr;
+ struct hostent *host;
+ int sockfd;
+
+ if( upnp->sockfd > 0 ) {
+ fprintf(stderr,"error: upnp connection already open on socket %u\n",upnp->sockfd);
+ return(-1);
+ }
+
+ /* socket: create the socket */
+ sockfd = socket(AF_INET, SOCK_STREAM, 0);
+ if (sockfd < 0) {
+ error("error: can't open socket (%s)\n", strerror(errno));
+ return(-1);
+ }
+
+ /* gethostbyname: get the server's DNS entry */
+ host = gethostbyname(hostname);
+ if (host == NULL) {
+ error("error: no such host as %s (%s)\n", hostname, strerror(errno));
+ return(-1);
+ }
+
+ /* build the server's Internet address */
+ bzero((char *) &serveraddr, sizeof(serveraddr));
+ serveraddr.sin_family = AF_INET;
+ bcopy((char *)host->h_addr,
+ (char *)&serveraddr.sin_addr.s_addr, host->h_length);
+ serveraddr.sin_port = htons(port);
+
+ /* connect: create a connection with the server */
+ if (connect(sockfd, &serveraddr, sizeof(serveraddr)) < 0) {
+ error("error: can't connect (%s)\n",strerror(errno));
+ return(-1);
+ }
+
+ snprintf(upnp->hostname, 255, "%s",hostname);
+ upnp->port = port;
+ upnp->sockfd = sockfd;
+
+ return(sockfd);
+}
+
+void render_file_meta() {
+ /*
+ "<DIDL-Lite xmlns=\"urn:schemas-upnp-org:metadata-1-0/DIDL-Lite\""
+ "xmlns:dc=\"http://purl.org/dc/elements/1.1/\""
+ "xmlns:upnp=\"urn:schemas-upnp-org:metadata-1-0/upnp/\">"
+ "<item id=\"2$file\" parentID=\"2$parentDir\" restricted=\"0\">"
+ "<dc:title>$fileName</dc:title><dc:date></dc:date><upnp:class>object.item.imageItem</upnp:class><dc:creator></dc:creator><upnp:genre></upnp:genre><upnp:artist></upnp:artist><upnp:album></upnp:album><res protocolInfo=\"file-get:*:*:*:DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=00000000001000000000000000000000\" protection=\"\" tokenType=\"0\" bitrate=\"0\" duration=\"\" size=\"$fileSize\" colorDepth=\"0\" ifoFileURI=\"\" resolution=\"\">$uri</res></item></DIDL-Lite>"
+ */
+}
+
+void render_upnp(upnp_t *upnp, char *action, char *arg) {
+ // blank message first
+ snprintf(upnp->msg,1023,UPNP_MSG_FORMAT,
+ action, arg, action);
+
+ upnp->size = strlen(upnp->msg);
+
+ snprintf(upnp->hdr,1023,UPNP_HDR_FORMAT,
+ action, upnp->hostname, upnp->port, upnp->size);
+}
+
+int send_upnp(upnp_t *upnp) {
+ int res;
+ int hdrlen = strlen(upnp->hdr);
+ res = write(upnp->sockfd,upnp->hdr,hdrlen);
+ if(res != hdrlen)
+ fprintf(stderr,"send upnp header wrote only %u of %u bytes",res, hdrlen);
+ // TODO: check success
+ res = write(upnp->sockfd,upnp->msg,upnp->size);
+ if(res != upnp->size)
+ fprintf(stderr,"send upnp message wrote only %u of %u bytes",res, upnp->size);
+
+#ifdef DEBUG
+ fprintf(stderr,"sent %u bytes header, %u bytes message\n",hdrlen, res);
+ fprintf(stderr,"header:\n\n%s\n\n",upnp->hdr);
+ fprintf(stderr,"message:\n\n%s\n\n",upnp->msg);
+#endif
+
+ return(1);
+}
+
+int recv_upnp(upnp_t *upnp) {
+ int res;
+ res = read(upnp->sockfd, upnp->res,1400);
+#ifdef DEBUG
+ fprintf(stderr,"response:\n\n%s\n",upnp->res);
+#endif
+ return(1);
+}
+
+int load(upnp_t *upnp, char *file) {
+ char meta[1024];
+ if(!check_upnp(upnp, __PRETTY_FUNCTION__)) return(0);
+ // render_file_meta(file, meta);
+ // TODO
+}
+
+int play(upnp_t *upnp) {
+ if(!check_upnp(upnp, __PRETTY_FUNCTION__)) return(0);
+ render_upnp(upnp,"Play","<Speed>1</Speed>");
+ send_upnp(upnp);
+ return(1);
+}
+
+int stop(upnp_t *upnp) {
+ if(!check_upnp(upnp, __PRETTY_FUNCTION__)) return(0);
+ render_upnp(upnp,"Stop","");
+ send_upnp(upnp);
+ return(1);
+}
+
+int get_trans_info(upnp_t *upnp) {
+ if(!check_upnp(upnp, __PRETTY_FUNCTION__)) return(0);
+ render_upnp(upnp,"GetTransportInfo","");
+ send_upnp(upnp);
+ recv_upnp(upnp);
+ return(1);
+}
+
+
+// we use only getopt, no _long
+static const char *short_options = "-hvD:s:p:";
+void cmdline(int argc, char **argv) {
+ command[0] = 0;
+ filename[0] = 0;
+ server[0] = 0;
+
+ int res, optlen;
+ do {
+ res = getopt(argc, argv, short_options);
+ switch(res) {
+ case 'h':
+ fprintf(stderr,"usage: %s [options] command [file]\n",argv[0]);
+ break;
+ case 'v':
+ fprintf(stderr,"AVRemote - simple commandline tool to send AVTransport commands over UPNP\n"
+ "version 0.1 (Apr/2011) by Jaromil - Netherlands Media Art Institute\n"
+ "Copyright (C) 2011 NIMk Artlab, License GNU AGPL v3+\n"
+ "This is free software: you are free to change and redistribute it\n");
+ exit(0);
+
+ case 's':
+ snprintf(server,511,"%s",optarg);
+ break;
+
+ case 'p':
+ sscanf (optarg, "%u", &port);
+ break;
+
+ case '?':
+ fprintf(stderr,"unrecognized option: %s\n",optarg);
+ break;
+
+ case 1:
+ {
+ struct stat filestatus;
+ if( stat(optarg,&filestatus) >= 0 ) { // its a file
+ snprintf(filename,511,"%s",optarg);
+ } else {
+ snprintf(command,63,"%s",optarg);
+ }
+ }
+ break;
+ default:
+ break;
+ }
+
+ } while(res != -1);
+
+ // check requires args
+ if(!command[0]) {
+ fprintf(stderr,"command not specified, see %s -h for help\n",argv[0]);
+ exit(1);
+ }
+
+ if(!port) {
+ fprintf(stderr,"port not specified, use -p\n");
+ exit(1);
+ }
+
+ if(!server[0]) {
+ fprintf(stderr,"server not specified, using localhost\n");
+ sprintf(server,"%s","localhost");
+ }
+
+
+}
+
+int main(int argc, char **argv) {
+ int sock, port, n;
+
+ cmdline(argc, argv);
+
+ upnp_t *upnp;
+ upnp = create_upnp();
+
+ if ( connect_upnp(upnp, server, port) < 0 ) {
+ fprintf(stderr,"error: connection failed\n");
+ exit(ERR);
+ }
+
+ fprintf(stderr,"socket: %u\n",upnp->sockfd);
+
+ switch(command[0]) {
+ case 'p': // play
+ play(upnp);
+ break;
+ case 's':
+ stop(upnp);
+ break;
+ case 'g':
+ get_trans_info(upnp);
+ break;
+ default:
+ fprintf(stderr,"error: command not understood.\n");
+ break;
+ }
+
+ free_upnp(upnp);
+
+ exit(0);
+}