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FreeTDM: Improve error checking and logging in load_config(), add FTDM_SPAN_IS_DIGITAL() helper. 

Output the current trunk_type in "add X-channel vs. trunk_type" error messages and
check this for B-/D-channels too.

ISDN (= digital) spans need to have a trunk_type set before adding channels,
bail out early with an error message (actually two) if this is not the case.

(Adding channels should really be moved out of the parsing loop, to catch
 certain types of errors easier.)

Signed-off-by: Stefan Knoblich <stkn@openisdn.net>
This commit is contained in:
Stefan Knoblich 2012-07-11 20:24:35 +02:00
parent eb7e640b59
commit ab285ace3d
2 changed files with 35 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
libs/freetdm/src/ftdm_io.c
View File

@ -4764,7 +4764,7 @@ static ftdm_status_t load_config(void)
configured += chans_configured;
}
} else {
ftdm_log(FTDM_LOG_WARNING, "Cannot add FXO channels to an FXS trunk!\n");
ftdm_log(FTDM_LOG_WARNING, "Cannot add FXO channels to a %s trunk!\n", ftdm_trunk_type2str(span->trunk_type));
}
} else if (!strcasecmp(var, "fxs-channel")) {
if (span->trunk_type == FTDM_TRUNK_NONE) {
@ -4780,7 +4780,7 @@ static ftdm_status_t load_config(void)
configured += chans_configured;
}
} else {
ftdm_log(FTDM_LOG_WARNING, "Cannot add FXS channels to an FXO trunk!\n");
ftdm_log(FTDM_LOG_WARNING, "Cannot add FXS channels to a %s trunk!\n", ftdm_trunk_type2str(span->trunk_type));
}
} else if (!strcasecmp(var, "em-channel")) {
if (span->trunk_type == FTDM_TRUNK_NONE) {
@ -4796,19 +4796,33 @@ static ftdm_status_t load_config(void)
configured += chans_configured;
}
} else {
ftdm_log(FTDM_LOG_WARNING, "Cannot add EM channels to a non-EM trunk!\n");
ftdm_log(FTDM_LOG_WARNING, "Cannot add EM channels to a %s trunk!\n", ftdm_trunk_type2str(span->trunk_type));
}
} else if (!strcasecmp(var, "b-channel")) {
unsigned chans_configured = 0;
chan_config.type = FTDM_CHAN_TYPE_B;
if (ftdm_configure_span_channels(span, val, &chan_config, &chans_configured) == FTDM_SUCCESS) {
configured += chans_configured;
if (span->trunk_type == FTDM_TRUNK_NONE) {
ftdm_log(FTDM_LOG_ERROR, "No trunk type specified in configuration file\n");
break;
}
if (FTDM_SPAN_IS_DIGITAL(span)) {
unsigned chans_configured = 0;
chan_config.type = FTDM_CHAN_TYPE_B;
if (ftdm_configure_span_channels(span, val, &chan_config, &chans_configured) == FTDM_SUCCESS) {
configured += chans_configured;
}
} else {
ftdm_log(FTDM_LOG_WARNING, "Cannot add B channels to a %s trunk!\n", ftdm_trunk_type2str(span->trunk_type));
}
} else if (!strcasecmp(var, "d-channel")) {
if (d) {
ftdm_log(FTDM_LOG_WARNING, "ignoring extra d-channel\n");
} else {
if (span->trunk_type == FTDM_TRUNK_NONE) {
ftdm_log(FTDM_LOG_ERROR, "No trunk type specified in configuration file\n");
break;
}
if (FTDM_SPAN_IS_DIGITAL(span)) {
unsigned chans_configured = 0;
if (d) {
ftdm_log(FTDM_LOG_WARNING, "ignoring extra d-channel\n");
continue;
}
if (!strncasecmp(val, "lapd:", 5)) {
chan_config.type = FTDM_CHAN_TYPE_DQ931;
val += 5;
@ -4819,6 +4833,8 @@ static ftdm_status_t load_config(void)
configured += chans_configured;
}
d++;
} else {
ftdm_log(FTDM_LOG_WARNING, "Cannot add D channels to a %s trunk!\n", ftdm_trunk_type2str(span->trunk_type));
}
} else if (!strcasecmp(var, "cas-channel")) {
unsigned chans_configured = 0;

9
libs/freetdm/src/include/freetdm.h
View File

@ -204,6 +204,15 @@ FTDM_STR2ENUM_P(ftdm_str2ftdm_chan_type, ftdm_chan_type2str, ftdm_chan_type_t)
(fchan)->span->trunk_type == FTDM_TRUNK_BRI || \
(fchan)->span->trunk_type == FTDM_TRUNK_BRI_PTMP)
/*! \brief Test if a span is digital */
#define FTDM_SPAN_IS_DIGITAL(span) \
((span)->trunk_type == FTDM_TRUNK_E1 || \
(span)->trunk_type == FTDM_TRUNK_T1 || \
(span)->trunk_type == FTDM_TRUNK_J1 || \
(span)->trunk_type == FTDM_TRUNK_BRI || \
(span)->trunk_type == FTDM_TRUNK_BRI_PTMP)
/*! \brief Logging function prototype to be used for all FreeTDM logs
* you should use ftdm_global_set_logger to set your own logger
*/