diff options
author | dhubbard <dhubbard@f38db490-d61c-443f-a65b-d21fe96a405b> | 2008-08-21 22:54:18 +0000 |
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committer | dhubbard <dhubbard@f38db490-d61c-443f-a65b-d21fe96a405b> | 2008-08-21 22:54:18 +0000 |
commit | 8360ac3bc6991ac1664eaf84d1e2f45d94cc9888 (patch) | |
tree | 1e8faf55ceee35584c52ded0d826d8d026121fff | |
parent | d312de7732d3c25b0c15adf2d5e4ef7203cb8341 (diff) |
initiate T38 negotiation in FaxSend; use channel variables; other stuff too
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@139345 f38db490-d61c-443f-a65b-d21fe96a405b
-rw-r--r-- | apps/app_receivefax.c | 177 | ||||
-rw-r--r-- | apps/app_sendfax.c | 184 |
2 files changed, 361 insertions, 0 deletions
diff --git a/apps/app_receivefax.c b/apps/app_receivefax.c new file mode 100644 index 000000000..c4305f942 --- /dev/null +++ b/apps/app_receivefax.c @@ -0,0 +1,177 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 2008, Digium, Inc. + * + * Dwayne M. Hubbard <dhubbard@digium.com> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! \file + * + * \brief ReceiveFax application for res_fax + * + * \author\verbatim Dwayne M. Hubbard <dhubbard@digium.com> \endverbatim + * + * This is a ReceiveFax application for use with res_fax. This is probably + * a throw away application, once res_fax works, it should probably be + * merged with app_fax.c + * + * \ingroup applications + */ + +/*** MODULEINFO + <defaultenabled>yes</defaultenabled> + ***/ + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include "asterisk/file.h" +#include "asterisk/channel.h" +#include "asterisk/pbx.h" +#include "asterisk/module.h" +#include "asterisk/lock.h" +#include "asterisk/app.h" +#include "asterisk/res_fax.h" + +static char *app = "ReceiveFax"; +static char *synopsis = +"ReceiveFax application for res_fax."; +static char *descrip = "This application is a ?temporary? ReceiveFax application.\n" + " It uses the res_fax module.\n"; + +enum { + OPTION_A = (1 << 0), + OPTION_B = (1 << 1), + OPTION_C = (1 << 2), +} option_flags; + +enum { + OPTION_ARG_B = 0, + OPTION_ARG_C = 1, + /* This *must* be the last value in this enum! */ + OPTION_ARG_ARRAY_SIZE = 2, +} option_args; + +AST_APP_OPTIONS(app_opts,{ + AST_APP_OPTION('a', OPTION_A), + AST_APP_OPTION_ARG('b', OPTION_B, OPTION_ARG_B), + AST_APP_OPTION_ARG('c', OPTION_C, OPTION_ARG_C), +}); + + +static int receivefax_exec(struct ast_channel *chan, void *data) +{ + int ms = 1000; + int timeout = 5000; /* 5 seconds */ + int res = 0; + struct ast_flags flags; + struct ast_frame *frame = NULL; + struct ast_fax_session *session; + struct ast_fax_requirements *sessionreqs; + char *parse, *opts[OPTION_ARG_ARRAY_SIZE]; + AST_DECLARE_APP_ARGS(args, + AST_APP_ARG(dummy); + AST_APP_ARG(options); + ); + + if (ast_strlen_zero(data)) { + ast_log(LOG_WARNING, "%s requires an argument (filename[,options])\n", app); + return -1; + } + + /* set the fax requirements */ + sessionreqs = ast_calloc(1, sizeof(*sessionreqs)); + if (!sessionreqs) { + ast_log(LOG_ERROR, "system error\n"); + return -1; + } + sessionreqs->type = FAX_SESSION_MULAW; + sessionreqs->operation = FAX_SESSION_OP_RECEIVE; + + /* obtain a fax resource that can handle said requirements */ + session = ast_fax_session_get(sessionreqs); + if (!session) { + ast_log(LOG_ERROR, "failed to retrieve a fax session that is capable of the session requirements.\n"); + ast_free(sessionreqs); + return -1; + } + session->headerinfo = ast_strdup(pbx_builtin_getvar_helper(chan, "LOCALHEADERINFO")); + session->localstationid = ast_strdup(pbx_builtin_getvar_helper(chan, "LOCALSTATIONID")); + session->start(session); + + /* if you feed it, it will fax */ + while (ms > 0) { + ms = ast_waitfor(chan, ms); + if (ms < 0) { + /* bad stuff happened */ + res = ms; + break; + } + if (!ms) { + /* nothing happened */ + if (timeout > 0) { + timeout -= 1000; + ms = 1000; + continue; + } else { + ast_log(LOG_WARNING, "channel '%s' timed-out waiting to receive the fax.\n", chan->name); + break; + } + } + if (!(frame = ast_read(chan))) { + ast_log(LOG_DEBUG, "channel '%s' failed to read frames.\n", chan->name); + res = -1; + break; + } + ast_frfree(frame); + } + + /* We need to make a copy of the input string if we are going to modify it! */ + parse = ast_strdupa(data); + + AST_STANDARD_APP_ARGS(args, parse); + + if (args.argc == 2) + ast_app_parse_options(app_opts, &flags, opts, args.options); + + if (!ast_strlen_zero(args.dummy)) + ast_log(LOG_NOTICE, "Dummy value is : %s\n", args.dummy); + + if (ast_test_flag(&flags, OPTION_A)) + ast_log(LOG_NOTICE, "Option A is set\n"); + + if (ast_test_flag(&flags, OPTION_B)) + ast_log(LOG_NOTICE, "Option B is set with : %s\n", opts[OPTION_ARG_B] ? opts[OPTION_ARG_B] : "<unspecified>"); + + if (ast_test_flag(&flags, OPTION_C)) + ast_log(LOG_NOTICE, "Option C is set with : %s\n", opts[OPTION_ARG_C] ? opts[OPTION_ARG_C] : "<unspecified>"); + + ast_free(sessionreqs); + ast_fax_session_unreference(session); + return res; +} + +static int unload_module(void) +{ + return ast_unregister_application(app); +} + +static int load_module(void) +{ + return ast_register_application(app, receivefax_exec, synopsis, descrip) ? + AST_MODULE_LOAD_DECLINE : AST_MODULE_LOAD_SUCCESS; +} + +AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "ReceiveFax Application for res_fax"); diff --git a/apps/app_sendfax.c b/apps/app_sendfax.c new file mode 100644 index 000000000..67ecf16f8 --- /dev/null +++ b/apps/app_sendfax.c @@ -0,0 +1,184 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 2008, Digium, Inc. + * + * Dwayne M. Hubbard <dhubbard@digium.com> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! \file + * + * \brief SendFax application for res_fax + * + * \author\verbatim Dwayne M. Hubbard <dhubbard@digium.com> \endverbatim + * + * This is a SendFax application for use with res_fax. This is probably + * a throw away application, once res_fax works, it should probably be + * merged with app_fax.c + * + * \ingroup applications + */ + +/*** MODULEINFO + <defaultenabled>yes</defaultenabled> + ***/ + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include "asterisk/file.h" +#include "asterisk/channel.h" +#include "asterisk/pbx.h" +#include "asterisk/module.h" +#include "asterisk/lock.h" +#include "asterisk/app.h" +#include "asterisk/res_fax.h" + +static char *app = "SendFax"; +static char *synopsis = +"SendFax application for res_fax."; +static char *descrip = "This application is a ?temporary? SendFax application.\n" + " It uses the res_fax module.\n"; + +enum { + OPTION_A = (1 << 0), + OPTION_B = (1 << 1), + OPTION_C = (1 << 2), +} option_flags; + +enum { + OPTION_ARG_B = 0, + OPTION_ARG_C = 1, + /* This *must* be the last value in this enum! */ + OPTION_ARG_ARRAY_SIZE = 2, +} option_args; + +AST_APP_OPTIONS(app_opts,{ + AST_APP_OPTION('a', OPTION_A), + AST_APP_OPTION_ARG('b', OPTION_B, OPTION_ARG_B), + AST_APP_OPTION_ARG('c', OPTION_C, OPTION_ARG_C), +}); + + +static int app_exec(struct ast_channel *chan, void *data) +{ + int ms = 1000; + int timeout = 5000; /* 5 seconds */ + int res = 0; + struct ast_frame *frame = NULL; + struct ast_fax_session *session; + struct ast_fax_requirements *sessionreqs; + enum ast_control_t38 t38control; + struct ast_flags flags; + char *parse, *opts[OPTION_ARG_ARRAY_SIZE]; + AST_DECLARE_APP_ARGS(args, + AST_APP_ARG(dummy); + AST_APP_ARG(options); + ); + + if (ast_strlen_zero(data)) { + ast_log(LOG_WARNING, "%s requires an argument (dummy[,options])\n", app); + return -1; + } + + /* set the fax requirements */ + sessionreqs = ast_calloc(1, sizeof(*sessionreqs)); + if (!sessionreqs) { + ast_log(LOG_ERROR, "system error\n"); + return -1; + } + sessionreqs->type = FAX_SESSION_MULAW; + sessionreqs->operation = FAX_SESSION_OP_SEND; + + /* obtain a fax resource that can handle said requirements */ + session = ast_fax_session_get(sessionreqs); + if (!session) { + ast_log(LOG_ERROR, "failed to retrieve a fax session that is capable of the session requirements.\n"); + ast_free(sessionreqs); + return -1; + } + session->headerinfo = ast_strdup(pbx_builtin_getvar_helper(chan, "LOCALHEADERINFO")); + session->localstationid = ast_strdup(pbx_builtin_getvar_helper(chan, "LOCALSTATIONID")); + + t38control = AST_T38_REQUEST_NEGOTIATE; + ast_indicate_data(chan, AST_CONTROL_T38, &t38control, sizeof(t38control)); + + /* if you feed it, it will fax */ + while (ms > 0) { + ms = ast_waitfor(chan, ms); + if (ms < 0) { + /* bad stuff happened */ + res = ms; + break; + } + if (!ms) { + /* nothing happened */ + if (timeout > 0) { + timeout -= 1000; + ms = 1000; + continue; + } else { + ast_log(LOG_WARNING, "channel '%s' timed-out waiting to receive the fax.\n", chan->name); + break; + } + } + if (!(frame = ast_read(chan))) { + ast_log(LOG_DEBUG, "channel '%s' failed to read frames.\n", chan->name); + res = -1; + break; + } + if (frame->frametype == AST_FRAME_CONTROL && frame->subclass == AST_CONTROL_T38 && frame->datalen == sizeof(enum ast_control_t38)) { + t38control =*((enum ast_control_t38 *) frame->data.ptr); + if (t38control == AST_T38_NEGOTIATED) { + ast_log(LOG_NOTICE, "yay T38 negotiated!\n"); + session->start(session); + } else ast_log(LOG_NOTICE, "T38 control frame: %d\n", t38control); + } + ast_frfree(frame); + } + /* We need to make a copy of the input string if we are going to modify it! */ + parse = ast_strdupa(data); + + AST_STANDARD_APP_ARGS(args, parse); + + if (args.argc == 2) + ast_app_parse_options(app_opts, &flags, opts, args.options); + + if (!ast_strlen_zero(args.dummy)) + ast_log(LOG_NOTICE, "Dummy value is : %s\n", args.dummy); + + if (ast_test_flag(&flags, OPTION_A)) + ast_log(LOG_NOTICE, "Option A is set\n"); + + if (ast_test_flag(&flags, OPTION_B)) + ast_log(LOG_NOTICE, "Option B is set with : %s\n", opts[OPTION_ARG_B] ? opts[OPTION_ARG_B] : "<unspecified>"); + + if (ast_test_flag(&flags, OPTION_C)) + ast_log(LOG_NOTICE, "Option C is set with : %s\n", opts[OPTION_ARG_C] ? opts[OPTION_ARG_C] : "<unspecified>"); + + return res; +} + +static int unload_module(void) +{ + return ast_unregister_application(app); +} + +static int load_module(void) +{ + return ast_register_application(app, app_exec, synopsis, descrip) ? + AST_MODULE_LOAD_DECLINE : AST_MODULE_LOAD_SUCCESS; +} + +AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "SendFax Application for res_fax"); |