[Pkg-voip-commits] [dahdi-tools] 266/285: dahdi_cfg: -S has assumtions on system.conf order

tzafrir at debian.org tzafrir at debian.org
Thu Jul 7 19:19:10 UTC 2016


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tzafrir pushed a commit to branch master
in repository dahdi-tools.

commit cffc5158cc4ca9edba83387af97f6d28d74d6a0d
Author: Tzafrir Cohen <tzafrir.cohen at xorcom.com>
Date:   Mon Nov 16 15:01:52 2015 +0200

    dahdi_cfg: -S has assumtions on system.conf order
    
    dahdi_cfg's -S (apply only to a specific span) uses the array chan2span
    to map channel numbers to span numbers.
    
    The problem is that it assumes that channels first appear in system.conf
    immediately after the span line of a specific span. Thus the following
    configuration breaks it:
    
    span=1,...
    span=2,...
    clear=1-2,4-5
    dchan=3,6
    
    The best fix for that is to require -C to be used when -S is used (which
    is already the case in our udev hooks).
    
    Fixes DAHTOOL-69.
    
    Signed-off-by: Tzafrir Cohen <tzafrir.cohen at xorcom.com>
---
 dahdi_cfg.c     | 38 ++++----------------------------------
 doc/dahdi_cfg.8 |  6 ++----
 2 files changed, 6 insertions(+), 38 deletions(-)

diff --git a/dahdi_cfg.c b/dahdi_cfg.c
index 30add83..ecd4477 100644
--- a/dahdi_cfg.c
+++ b/dahdi_cfg.c
@@ -90,11 +90,9 @@ static struct dahdi_lineconfig lc[DAHDI_MAX_SPANS];
 
 static struct dahdi_chanconfig cc[DAHDI_MAX_CHANNELS];
 
-static int current_span = 0;
 static int only_span = 0;
 static int restrict_channels = 0;
 static int selected_channels[DAHDI_MAX_CHANNELS];
-static int chan2span[DAHDI_MAX_CHANNELS];
 static int declared_spans[DAHDI_MAX_SPANS];
 
 static struct dahdi_attach_echocan ae[DAHDI_MAX_CHANNELS];
@@ -333,20 +331,9 @@ static char *trim(char *buf)
 
 static int skip_channel(int x)
 {
-	int	spanno = chan2span[x];
-
 	if (restrict_channels) {
 		if (!selected_channels[x])
 			return 1;
-		/* sanity check */
-		if (only_span) {
-			if (spanno != 0 && only_span != spanno) {
-				fprintf(stderr,
-					"Only span %d. Skip selected channel %d from span %d\n",
-					only_span, x, spanno);
-				return 1;
-			}
-		}
 	} else {
 		if (only_span && !declared_spans[only_span]) {
 			fprintf(stderr,
@@ -354,8 +341,6 @@ static int skip_channel(int x)
 				only_span);
 			exit(1);
 		}
-		if (only_span && only_span != spanno)
-			return 1;
 	}
 	return 0;
 }
@@ -442,7 +427,6 @@ int spanconfig(char *keyword, char *args)
 		error("Span number should be a valid span number, not '%s'\n", realargs[0]);
 		return -1;
 	}
-	current_span = span;
 	declared_spans[span] = 1;
 	res = sscanf(realargs[1], "%d", &timing);
 	if ((res != 1) || (timing < 0) || (timing > MAX_TIMING)) {
@@ -615,7 +599,6 @@ static int chanconfig(char *keyword, char *args)
 	int master=0;
 	int dacschan = 0;
 	char *idle;
-	int is_digital;
 	bzero(chans, sizeof(chans));
 	strtok(args, ":");
 	idle = strtok(NULL, ":");
@@ -627,7 +610,6 @@ static int chanconfig(char *keyword, char *args)
 	if (res <= 0)
 		return -1;
 	for (x=1;x<DAHDI_MAX_CHANNELS;x++) {
-		is_digital = 0;
 		if (chans[x]) {
 			if (slineno[x]) {
 				error("Channel %d already configured as '%s' at line %d\n", x, sig[x], slineno[x]);
@@ -673,7 +655,6 @@ static int chanconfig(char *keyword, char *args)
 					return -1;
 				cc[x].sigtype = DAHDI_SIG_CAS;
 				sig[x] = sigtype_to_str(cc[x].sigtype);
-				is_digital = 1;
 			} else if (!strcasecmp(keyword, "dacs")) {
 				/* Setup channel for monitor */
 				cc[x].idlebits = dacschan;
@@ -684,7 +665,6 @@ static int chanconfig(char *keyword, char *args)
 				cc[dacschan].sigtype = DAHDI_SIG_DACS;
 				sig[x] = sigtype_to_str(cc[dacschan].sigtype);
 				dacschan++;
-				is_digital = 1;
 			} else if (!strcasecmp(keyword, "dacsrbs")) {
 				/* Setup channel for monitor */
 				cc[x].idlebits = dacschan;
@@ -694,7 +674,6 @@ static int chanconfig(char *keyword, char *args)
 				cc[dacschan].idlebits = x;
 				cc[dacschan].sigtype = DAHDI_SIG_DACS_RBS;
 				sig[x] = sigtype_to_str(cc[dacschan].sigtype);
-				is_digital = 1;
 				dacschan++;
 			} else if (!strcasecmp(keyword, "unused")) {
 				cc[x].sigtype = 0;
@@ -702,7 +681,6 @@ static int chanconfig(char *keyword, char *args)
 			} else if (!strcasecmp(keyword, "indclear") || !strcasecmp(keyword, "bchan")) {
 				cc[x].sigtype = DAHDI_SIG_CLEAR;
 				sig[x] = sigtype_to_str(cc[x].sigtype);
-				is_digital = 1;
 			} else if (!strcasecmp(keyword, "clear")) {
 				sig[x] = sigtype_to_str(DAHDI_SIG_CLEAR);
 				if (master) {
@@ -712,7 +690,6 @@ static int chanconfig(char *keyword, char *args)
 					cc[x].sigtype = DAHDI_SIG_CLEAR;
 					master = x;
 				}
-				is_digital = 1;
 			} else if (!strcasecmp(keyword, "rawhdlc")) {
 				sig[x] = sigtype_to_str(DAHDI_SIG_HDLCRAW);
 				if (master) {
@@ -722,7 +699,6 @@ static int chanconfig(char *keyword, char *args)
 					cc[x].sigtype = DAHDI_SIG_HDLCRAW;
 					master = x;
 				}
-				is_digital = 1;
 			} else if (!strcasecmp(keyword, "nethdlc")) {
 				sig[x] = sigtype_to_str(DAHDI_SIG_HDLCNET);
 				memset(cc[x].netdev_name, 0, sizeof(cc[x].netdev_name));
@@ -736,7 +712,6 @@ static int chanconfig(char *keyword, char *args)
 					}
 					master = x;
 				}
-				is_digital = 1;
 			} else if (!strcasecmp(keyword, "fcshdlc")) {
 				sig[x] = sigtype_to_str(DAHDI_SIG_HDLCFCS);
 				if (master) {
@@ -746,19 +721,15 @@ static int chanconfig(char *keyword, char *args)
 					cc[x].sigtype = DAHDI_SIG_HDLCFCS;
 					master = x;
 				}
-				is_digital = 1;
 			} else if (!strcasecmp(keyword, "dchan")) {
 				sig[x] = "D-channel";
 				cc[x].sigtype = DAHDI_SIG_HDLCFCS;
-				is_digital = 1;
 			} else if (!strcasecmp(keyword, "hardhdlc")) {
 				sig[x] = "Hardware assisted D-channel";
 				cc[x].sigtype = DAHDI_SIG_HARDHDLC;
-				is_digital = 1;
 			} else if (!strcasecmp(keyword, "mtp2")) {
 				sig[x] = "MTP2";
 				cc[x].sigtype = DAHDI_SIG_MTP2;
-				is_digital = 1;
 			} else {
 				fprintf(stderr, "Huh? (%s)\n", keyword);
 			}
@@ -770,11 +741,6 @@ static int chanconfig(char *keyword, char *args)
 					fprintf(stderr, "WARNING: idlebits are not valid on %s channels.\n", sig[x]);
 				}
 			}
-
-			if (is_digital) 
-				chan2span[x] = current_span;
-			else
-				current_span = 0;
 		}
 	}
 	return 0;
@@ -1617,6 +1583,10 @@ int main(int argc, char *argv[])
 		fprintf(stderr, "%s\n", dahdi_tools_version);
 	}
 
+	if (!restrict_channels && only_span) {
+		error("-S requires -C\n");
+		goto finish;
+	}
 	if (!restrict_channels && !only_span) {
 		bool all_assigned = wait_for_all_spans_assigned(5);
 
diff --git a/doc/dahdi_cfg.8 b/doc/dahdi_cfg.8
index 86d96d6..1e5db78 100644
--- a/doc/dahdi_cfg.8
+++ b/doc/dahdi_cfg.8
@@ -41,10 +41,8 @@ Only shutdown spans.
 
 .B \-S \fISPAN
 .RS
-Only apply changes to span no. \fISPAN\fR. For a digital span (with
-a 'span=' line in the configuration file) this will do. For an analog
-span you'll have to explicitly tell dahdi_cfg the range of channels,
-using \-C .
+Only apply changes to span no. \fISPAN\fR. You also need to specify the
+range of channels in the span explicitly with \-C.
 .RE
 
 .B \-f

-- 
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