add missing "transcoder show" (and deprecated "show transcoder") CLI commands that were in 1.2 but never added to 1.4

git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@81405 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 70 insertions, 0 deletions

diff --git a/codecs/codec_zap.c b/codecs/codec_zap.c
index c3c7463e4..4989446ea 100644
--- a/codecs/codec_zap.c
+++ b/codecs/codec_zap.c
@@ -51,6 +51,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/config.h"
 #include "asterisk/options.h"
 #include "asterisk/module.h"
+#include "asterisk/cli.h"
 #include "asterisk/logger.h"
 #include "asterisk/channel.h"
 #include "asterisk/utils.h"
@@ -60,6 +61,37 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 
 static unsigned int global_useplc = 0;
 
+static struct channel_usage {
+	int total;
+	int encoders;
+	int decoders;
+} channels;
+
+static char show_transcoder_usage[] =
+"Usage: show transcoder\n"
+"       Displays channel utilization of Zaptel transcoder(s).\n";
+
+static char transcoder_show_usage[] =
+"Usage: transcoder show\n"
+"       Displays channel utilization of Zaptel transcoder(s).\n";
+
+static int transcoder_show(int fd, int argc, char **argv);
+
+static struct ast_cli_entry cli_deprecated[] = {
+	{ { "show", "transcoder", NULL },
+	  transcoder_show,
+	  "Display Zaptel transcoder utilization.",
+	  show_transcoder_usage}
+};
+
+static struct ast_cli_entry cli[] = {
+	{ { "transcoder", "show", NULL },
+	  transcoder_show,
+	  "Display Zaptel transcoder utilization.",
+	  transcoder_show_usage, NULL,
+	  &cli_deprecated[0]}
+};
+
 struct format_map {
 	unsigned int map[32][32];
 };
@@ -84,6 +116,20 @@ struct pvt {
 	struct ast_frame f;
 };
 
+static int transcoder_show(int fd, int argc, char **argv)
+{
+	struct channel_usage copy;
+
+	copy = channels;
+
+	if (copy.total == 0)
+		ast_cli(fd, "No Zaptel transcoders found.\n");
+	else
+		ast_cli(fd, "%d/%d encoders/decoders of %d channels are in use.\n", copy.encoders, copy.decoders, copy.total);
+
+	return RESULT_SUCCESS;
+}
+
 static int zap_framein(struct ast_trans_pvt *pvt, struct ast_frame *f)
 {
 	struct pvt *ztp = pvt->pvt;
@@ -173,6 +219,17 @@ static void zap_destroy(struct ast_trans_pvt *pvt)
 {
 	struct pvt *ztp = pvt->pvt;
 
+	ast_atomic_fetchadd_int(&channels.total, -1);
+	switch (ztp->hdr->dstfmt) {
+	case AST_FORMAT_G729A:
+	case AST_FORMAT_G723_1:
+		ast_atomic_fetchadd_int(&channels.encoders, -1);
+		break;
+	default:
+		ast_atomic_fetchadd_int(&channels.decoders, -1);
+		break;
+	}
+
 	munmap(ztp->hdr, sizeof(*ztp->hdr));
 	close(ztp->fd);
 }
@@ -224,6 +281,17 @@ static int zap_translate(struct ast_trans_pvt *pvt, int dest, int source)
 	ztp->fd = fd;
 	ztp->hdr = hdr;
 
+	ast_atomic_fetchadd_int(&channels.total, +1);
+	switch (hdr->dstfmt) {
+	case AST_FORMAT_G729A:
+	case AST_FORMAT_G723_1:
+		ast_atomic_fetchadd_int(&channels.encoders, +1);
+		break;
+	default:
+		ast_atomic_fetchadd_int(&channels.decoders, +1);
+		break;
+	}
+
 	return 0;
 }
 
@@ -401,6 +469,7 @@ static int reload(void)
 
 static int unload_module(void)
 {
+	ast_cli_unregister_multiple(cli, sizeof(cli) / sizeof(cli[0]));
 	unregister_translators();
 
 	return 0;
@@ -410,6 +479,7 @@ static int load_module(void)
 {
 	parse_config();
 	find_transcoders();
+	ast_cli_register_multiple(cli, sizeof(cli) / sizeof(cli[0]));
 
 	return 0;
 }