Restore behavior of 'receivefax' to one provided by version 628 of chan_capi.c: Use fax T.30 extended for Diva hardware or if required by 'receivefax' option only. By default allow fine resolution for fax T.30 extended.
MelwareDE
parent
73edae5356
commit
c65f9424b7
5
README
5
README
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@ -153,7 +153,7 @@ Call Deflection:
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Fax receive:
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Receives a fax using CAPI.
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Example:
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exten => s,1,capicommand(receivefax|/tmp/${UNIQUEID}|+49 6137 555123|Asterisk|k)
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exten => s,1,capicommand(receivefax|/tmp/${UNIQUEID}|+49 6137 555123|Asterisk|kX)
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(more see below)
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Fax send:
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@ -383,6 +383,9 @@ The parameter <filename> is mandatory and the parameters <stationid>,
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By default, if fax reception was not successful, the file is deleted. If you want even
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partly received or broken fax files, use 'k' for "keep bad fax" in the <options>:
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capicommand(receivefax|/tmp/${UNIQUEID}|+123456789||k)
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You can activate extended fax support by 'X' in the <options>:
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capicommand(receivefax|/tmp/${UNIQUEID}|+123456789||X)
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Please read details on extended fax options in README.Diva.fax.
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To enable fax tone detection and redirect to extension 'fax', use config variable
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'faxdetect' in capi.conf. This can be limited to the first 'n' seconds of a connection
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@ -219,6 +219,8 @@ The reception of the fax message is started using 'receivefax' capi command:
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'stationid' - station ID, optional
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'headline' - head line, optional
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'options' - fax options, optional
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'X' - use fax T.30 extended (default)
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'x' - do not use fax T.30 extended
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'k' - keep fax document in case of errors (by default document is removed
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if fax transmission was not completed with success).
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'f' - allow Fine resolution (default)
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249
chan_capi.c
249
chan_capi.c
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@ -238,6 +238,11 @@ static struct {
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NULL,
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NULL,
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NULL
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},
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{ 0x04, 0x04, 0x04, /* 4 */
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NULL,
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NULL,
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NULL
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}
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};
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@ -2394,7 +2399,7 @@ pbx_capi_request(const char *type, int format, void *data, int *cause)
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}
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/*
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* fill out fax conf struct
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* fill out extended fax conf struct
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*
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* b3_protocol_options:
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* [Bit 0] : Enable high resolution
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@ -2426,6 +2431,28 @@ static void setup_b3_fax_config(B3_PROTO_FAXG3 *b3conf, int fax_format, char *st
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return;
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}
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/*
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* fill out basic fax conf struct
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*/
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static void setup_b3_basic_fax_config(B3_PROTO_FAXG3 *b3conf, int fax_format, char *stationid, char *headline)
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{
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int len1;
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int len2;
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cc_verbose(3, 1, VERBOSE_PREFIX_3 "Setup fax b3conf fmt=%d, stationid='%s' headline='%s'\n",
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fax_format, stationid, headline);
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b3conf->resolution = 0;
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b3conf->format = (unsigned short)fax_format;
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len1 = strlen(stationid);
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b3conf->Infos[0] = (unsigned char)len1;
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strcpy((char *)&b3conf->Infos[1], stationid);
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len2 = strlen(headline);
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b3conf->Infos[len1 + 1] = (unsigned char)len2;
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strcpy((char *)&b3conf->Infos[len1 + 2], headline);
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b3conf->len = (unsigned char)(2 * sizeof(unsigned short) + len1 + len2 + 2);
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return;
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}
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/*
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* change b protocol to fax
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*/
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@ -2438,11 +2465,10 @@ static void capi_change_bchan_fax(struct capi_pvt *i, B3_PROTO_FAXG3 *b3conf)
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}
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/*
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* capicommand 'receivefax'
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* capicommand 'receivefax' using B3 fax T.30 extended
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*/
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static int pbx_capi_receive_fax(struct ast_channel *c, char *data)
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static int pbx_capi_receive_extended_fax(struct ast_channel *c, struct capi_pvt *i, char *data)
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{
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struct capi_pvt *i = get_active_plci(c);
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int res = 0;
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int keepbadfax = 0;
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char *filename, *stationid, *headline, *options;
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@ -2451,17 +2477,6 @@ static int pbx_capi_receive_fax(struct ast_channel *c, char *data)
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unsigned short b3_protocol_options = 0x0001;
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int extended_resolution = 0;
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if ((i == NULL) || ((i->channeltype == CAPI_CHANNELTYPE_NULL) && (i->line_plci == NULL))) {
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cc_log(LOG_WARNING, CC_MESSAGE_NAME " receivefax requires resource PLCI\n");
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return -1;
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}
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if (!data) { /* no data implies no filename or anything is present */
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cc_log(LOG_WARNING, CC_MESSAGE_NAME " receivefax requires a filename\n");
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capi_remove_nullif(i);
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return -1;
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}
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filename = strsep(&data, "|");
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stationid = strsep(&data, "|");
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headline = strsep(&data, "|");
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@ -2534,6 +2549,10 @@ static int pbx_capi_receive_fax(struct ast_channel *c, char *data)
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b3_protocol_options |= 0x2000;
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break;
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case 'X':
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case 'x':
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break;
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default:
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cc_log(LOG_WARNING, "Unknown option '%c' for receivefax.\n",
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*options);
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@ -2635,6 +2654,201 @@ static int pbx_capi_receive_fax(struct ast_channel *c, char *data)
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return 0;
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}
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/*
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* capicommand 'receivefax' using B3 fax T.30
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*/
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static int pbx_capi_receive_basic_fax(struct ast_channel *c, struct capi_pvt *i, char *data)
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{
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int res = 0;
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int keepbadfax = 0;
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char *filename, *stationid, *headline, *options;
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B3_PROTO_FAXG3 b3conf;
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char buffer[CAPI_MAX_STRING];
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filename = strsep(&data, "|");
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stationid = strsep(&data, "|");
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headline = strsep(&data, "|");
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options = data;
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if (!stationid)
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stationid = emptyid;
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if (!headline)
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headline = emptyid;
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if (!options)
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options = emptyid;
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cc_verbose(3, 1, VERBOSE_PREFIX_3 CC_MESSAGE_NAME " receivefax: '%s' '%s' '%s' '%s'\n",
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filename, stationid, headline, options);
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/* parse the options */
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while ((options) && (*options)) {
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switch (*options) {
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case 'k': /* keepbadfax */
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cc_verbose(3, 1,
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VERBOSE_PREFIX_3 CC_MESSAGE_NAME " receivefax: if fax is bad, "
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"file won't be deleted.\n");
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keepbadfax = 1;
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break;
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case 'f': /* use Fine resolution */
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case 'F': /* do not use Fine resolution */
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case 'u': /* use Fine resolution */
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case 'j': /* enable JPEG encoding */
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case 'b': /* enable T.43 encoding */
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case 't': /* diasble T.85 encoding */
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case 'e': /* disable ECM encoding */
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case 'm': /* disable MMR encoding */
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case 'd': /* disable MR encoding */
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cc_log(LOG_WARNING, "Option '%c' requires B3 fax T.30 extended.\n",
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*options);
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break;
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case 'X':
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case 'x':
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break;
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default:
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cc_log(LOG_WARNING, "Unknown option '%c' for receivefax.\n",
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*options);
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}
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options++;
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}
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capi_wait_for_answered(i);
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i->FaxState &= ~CAPI_FAX_STATE_CONN;
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if ((i->fFax = fopen(filename, "wb")) == NULL) {
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cc_log(LOG_WARNING, "can't create fax output file (%s)\n", strerror(errno));
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return -1;
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}
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i->FaxState |= CAPI_FAX_STATE_ACTIVE;
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setup_b3_basic_fax_config(&b3conf, FAX_SFF_FORMAT, stationid, headline);
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i->bproto = CC_BPROTO_FAX3_BASIC;
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switch (i->state) {
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case CAPI_STATE_ALERTING:
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case CAPI_STATE_DID:
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case CAPI_STATE_INCALL:
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capi_send_answer(c, (_cstruct)&b3conf);
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break;
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case CAPI_STATE_CONNECTED:
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capi_change_bchan_fax(i, &b3conf);
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break;
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default:
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i->FaxState &= ~CAPI_FAX_STATE_ACTIVE;
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cc_log(LOG_WARNING, CC_MESSAGE_NAME " receive fax in wrong state (%d)\n",
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i->state);
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return -1;
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}
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while (capi_tell_fax_finish(i)) {
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if (ast_safe_sleep_conditional(c, 1000, capi_tell_fax_finish, i) != 0) {
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/* we got a hangup */
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cc_verbose(3, 1,
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VERBOSE_PREFIX_3 CC_MESSAGE_NAME " receivefax: hangup.\n");
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break;
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}
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}
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cc_mutex_lock(&i->lock);
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res = (i->FaxState & CAPI_FAX_STATE_ERROR) ? 1 : 0;
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i->FaxState &= ~(CAPI_FAX_STATE_ACTIVE | CAPI_FAX_STATE_ERROR);
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/* if the file has zero length */
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if (ftell(i->fFax) == 0L) {
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res = 1;
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}
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cc_verbose(2, 1, VERBOSE_PREFIX_3 "Closing fax file...\n");
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fclose(i->fFax);
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i->fFax = NULL;
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cc_mutex_unlock(&i->lock);
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if (res != 0) {
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cc_verbose(2, 0,
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VERBOSE_PREFIX_1 CC_MESSAGE_NAME
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" receivefax: fax receive failed reason=0x%04x reasonB3=0x%04x\n",
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i->reason, i->reasonb3);
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if (!keepbadfax) {
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cc_verbose(3, 1,
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VERBOSE_PREFIX_3 CC_MESSAGE_NAME " receivefax: removing fax file.\n");
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unlink(filename);
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}
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} else {
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cc_verbose(2, 0,
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VERBOSE_PREFIX_1 CC_MESSAGE_NAME " receivefax: fax receive successful.\n");
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}
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snprintf(buffer, CAPI_MAX_STRING-1, "%d", res);
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pbx_builtin_setvar_helper(c, "FAXSTATUS", buffer);
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return 0;
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}
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/*
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* capicommand 'receivefax'
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*/
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static int pbx_capi_receive_fax(struct ast_channel *c, char *data)
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{
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struct capi_pvt *i = get_active_plci(c);
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int force_extended = 0, force_no_extended = 0;
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char *ldata_mem, *ldata;
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if ((i == NULL) || ((i->channeltype == CAPI_CHANNELTYPE_NULL) && (i->line_plci == NULL))) {
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cc_log(LOG_WARNING, CC_MESSAGE_NAME " receivefax requires resource PLCI\n");
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return -1;
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}
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if (!data || !*data) { /* no data implies no filename or anything is present */
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cc_log(LOG_WARNING, CC_MESSAGE_NAME " receivefax requires a filename\n");
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capi_remove_nullif(i);
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return -1;
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}
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ldata_mem = ldata = strdup(data);
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if (!ldata_mem) {
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cc_log(LOG_WARNING, CC_MESSAGE_NAME " out of memory\n");
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capi_remove_nullif(i);
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return -1;
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}
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(void)strsep(&ldata, "|");
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(void)strsep(&ldata, "|");
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(void)strsep(&ldata, "|");
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while ((ldata) && (*ldata)) {
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switch (*ldata) {
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case 'X':
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force_extended = 1;
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force_no_extended = 0;
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break;
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case 'x':
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force_extended = 0;
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force_no_extended = 1;
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break;
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}
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ldata++;
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}
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free(ldata_mem);
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if ((force_extended != 0) && (capi_controllers[i->controller]->fax_t30_extended == 0)) {
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force_extended = 0;
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cc_log(LOG_WARNING, CC_MESSAGE_NAME " fax T.30 extended not available\n");
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}
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force_extended |= ((capi_controllers[i->controller]->divaExtendedFeaturesAvailable != 0) && (force_no_extended == 0)); /* Always use fax T.30 extended for Diva */
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force_extended |= (i->channeltype == CAPI_CHANNELTYPE_NULL); /* always use fax T.30 extended for clear channel fax */
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if (force_extended != 0) {
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return (pbx_capi_receive_extended_fax(c, i, data));
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} else {
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return (pbx_capi_receive_basic_fax(c, i, data));
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}
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}
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static void clear_channel_fax_loop(struct ast_channel *c, struct capi_pvt *i)
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{
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struct ast_frame *f;
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@ -6974,6 +7188,7 @@ static char *show_bproto(int bproto)
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case CC_BPROTO_TRANSPARENT:
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return "trans";
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case CC_BPROTO_FAXG3:
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case CC_BPROTO_FAX3_BASIC:
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return " fax ";
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case CC_BPROTO_RTP:
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return " rtp ";
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@ -7487,14 +7702,14 @@ static int cc_init_capi(void)
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#else
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cp->nbchannels = read_capi_word(&profile.nbchannels);
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cp->nfreebchannels = read_capi_word(&profile.nbchannels);
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cp->fax_t30_extended = ((profile.b3protocols & (1U << 5)) != 0);
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if (profile.globaloptions & 0x08) {
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#endif
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cc_verbose(3, 0, VERBOSE_PREFIX_3 "Contr%d supports DTMF\n",
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controller);
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cp->dtmf = 1;
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}
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#if (CAPI_OS_HINT == 1)
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if (profile.dwGlobalOptions & 0x01) {
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#else
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@ -148,6 +148,7 @@ static inline unsigned int read_capi_dword(void *m)
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#define CC_BPROTO_FAXG3 1
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#define CC_BPROTO_RTP 2
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#define CC_BPROTO_VOCODER 3
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#define CC_BPROTO_FAX3_BASIC 4
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/* FAX Resolutions */
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#define FAX_STANDARD_RESOLUTION 0
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@ -609,6 +610,7 @@ struct cc_capi_controller {
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int divaExtendedFeaturesAvailable;
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int ecPath;
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int fax_t30_extended;
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};
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Reference in New Issue