diff options
Diffstat (limited to 'modules')
| -rw-r--r-- | modules/dtmfio/dtmfio.c | 135 | ||||
| -rw-r--r-- | modules/dtmfio/module.mk | 12 |
2 files changed, 147 insertions, 0 deletions
diff --git a/modules/dtmfio/dtmfio.c b/modules/dtmfio/dtmfio.c new file mode 100644 index 0000000..a76a486 --- /dev/null +++ b/modules/dtmfio/dtmfio.c @@ -0,0 +1,135 @@ +/*************************************************************************/ +/* Copyright (c) 2014, Aaron Herting 'qwertos' <aaron@herting.cc> */ +/* Based upon code licensed under the same license by Creytiv.com */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following conditions */ +/* are met: */ +/* */ +/* 1. Redistributions of source code must retain the above copyright */ +/* notice, this list of conditions and the following disclaimer. */ +/* */ +/* 2. Redistributions in binary form must reproduce the above copyright */ +/* notice, this list of conditions and the following disclaimer in the */ +/* documentation and/or other materials provided with the distribution. */ +/* */ +/* 3. Neither the name of the copyright holder nor the names of its */ +/* contributors may be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */ +/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */ +/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */ +/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */ +/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, */ +/* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS */ +/* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED */ +/* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT */ +/* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY */ +/* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */ +/* POSSIBILITY OF SUCH DAMAGE. */ +/*************************************************************************/ + + +/* + * # DTMFIO Module + * + * ## Description + * + * Writes received dtmf button presses to a FIFO located at /tmp/dtmf.out. + * + * Also, will write an 'E' when a call is established and an 'F' when the + * call is finished. + * + * ## To Do + * + * + Proper error handling + * + Using a dtmf.in file, be able to send DTMF signals + * + Use a filename specified by the user in the config file + * + Clean up build output so there aren't errors regarding unused vars + */ + + + +#include <stdio.h> +#include <re.h> +#include <baresip.h> +#include <sys/types.h> +#include <sys/stat.h> + + +static FILE *fd; +static const char *DTMF_OUT = "/tmp/dtmf.out"; + + + +static int dtmf_handler(const struct call *call, int key, void *arg){ + if( key != 0 ) { + fprintf(fd, "%c", key); + fflush(fd); + } + + return 0; +} + +static void ua_event_handler(struct ua *ua, + enum ua_event ev, + struct call *call, + const char *prm, + void *arg ) { + + + if ( ev == UA_EVENT_CALL_ESTABLISHED ) { + fprintf(fd, "E"); + fflush(fd); + call_set_handlers( call, NULL, (call_dtmf_h*) dtmf_handler, NULL); + } + + if (ev == UA_EVENT_CALL_CLOSED ) { + fprintf(fd, "F"); + fflush(fd); + } + + return; +} + + + +static int module_init(void){ + + uag_event_register( ua_event_handler, NULL ); + + if( mkfifo( DTMF_OUT, S_IWUSR | S_IRUSR ) ) { + error("Cration of the FIFO errored. This might cause issues.\n"); + } + + fd = fopen( DTMF_OUT , "w+" ); + + if( fd == 0 ){ + error("Opening of the FIFO errored. This might cause issues.\n"); + } + + return 0; +} + + +static int module_close(void){ + + fclose(fd); + + unlink(DTMF_OUT); + + return 0; +} + + +const struct mod_export DECL_EXPORTS(dtmfio) = { + "dtmfio", + "application", + module_init, + module_close +}; + diff --git a/modules/dtmfio/module.mk b/modules/dtmfio/module.mk new file mode 100644 index 0000000..cb1264b --- /dev/null +++ b/modules/dtmfio/module.mk @@ -0,0 +1,12 @@ +# +# module.mk +# +# Copyright (C) 2010 Creytiv.com +# Modified by Aaron Herting <aaron@herting.cc> +# + +MOD := dtmfio +$(MOD)_SRCS += dtmfio.c +$(MOD)_LFLAGS += + +include mk/mod.mk |