changeset 334:73a2b359b3cd

rvinterf/lowlevel/format_g23.c retired
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Tue, 22 Apr 2014 05:52:38 +0000
parents 2ac2f6d88bb2
children 40b8557b9d04
files rvinterf/lowlevel/format_g23.c rvinterf/old/format_g23.c
diffstat 2 files changed, 241 insertions(+), 241 deletions(-) [+]
line wrap: on
line diff
--- a/rvinterf/lowlevel/format_g23.c	Tue Apr 22 05:11:03 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,241 +0,0 @@
-/*
- * This module implements the decoding of G23 trace packets into
- * human-readable form - or more precisely, traces, system primitives
- * and other packets that can be emitted through GPF on targets.
- * The decoding is based on my (Space Falcon's) understanding
- * of the packet format, which is in turn based on the GPF sources
- * available to us, now integrated under gsm-fw/gpf.
- */
-
-#include <sys/types.h>
-#include <ctype.h>
-#include <stdio.h>
-#include <string.h>
-#include <strings.h>
-#include "../include/pktmux.h"
-#include "../include/limits.h"
-
-extern u_char rxpkt[];
-extern size_t rxpkt_len;
-extern char fmtbuf[];
-
-static char *fmtbuf_ptr;
-
-static int
-basic_checks()
-{
-	int i, c;
-
-	if (rxpkt_len < 17)
-		return(0);
-	/* check version bits in the header byte */
-	if ((rxpkt[1] & 0xC0) != 0x80)
-		return(0);
-	/* check the length */
-	c = rxpkt[2] | rxpkt[3] << 8;
-	if (c + 4 != rxpkt_len)
-		return(0);
-	/* ensure that the "from" and "to" are printable ASCII */
-	for (i = 8; i < 16; i++) {
-		c = rxpkt[i];
-		if (c < ' ' || c > '~')
-			return(0);
-	}
-	/* basic checks pass */
-	return(1);
-}
-
-static int
-psprim_extra_checks()
-{
-	int i, c;
-
-	if (rxpkt_len < 24)
-		return(0);
-	/* "original rcvr" field needs to be printable ASCII */
-	for (i = 16; i < 20; i++) {
-		c = rxpkt[i];
-		if (c < ' ' || c > '~')
-			return(0);
-	}
-	/* checks pass */
-	return(1);
-}
-
-static void
-print_malformed()
-{
-	int i;
-	char *dp;
-
-	dp = fmtbuf;
-	strcpy(dp, "G23 UNK:");
-	dp += 8;
-	for (i = 1; i < rxpkt_len; i++) {
-		sprintf(dp, " %02X", rxpkt[i]);
-		dp += 3;
-	}
-	*dp = '\0';
-	output_line(fmtbuf);
-}
-
-static int
-entity_name_well_formed(p)
-	char *p;
-{
-	int i, len;
-
-	if (!isupper(p[0]))
-		return(0);
-	for (i = 0; i < 4; i++)
-		if (!isalnum(p[i]))
-			break;
-	len = i;
-	for (; i < 4; i++)
-		if (p[i] != ' ')
-			return(0);
-	return(len);
-}
-
-static void
-print_entity_name(raw)
-	char *raw;
-{
-	int len;
-
-	len = entity_name_well_formed(raw);
-	if (len)
-		sprintf(fmtbuf_ptr, "%.*s", len, raw);
-	else
-		sprintf(fmtbuf_ptr, "\"%.4s\"", raw);
-	fmtbuf_ptr = index(fmtbuf_ptr, '\0');
-}
-
-static void
-print_common_hdr(typestr)
-	char *typestr;
-{
-	sprintf(fmtbuf, "G23 %s id=%02X ts=%02X%02X%02X%02X ", typestr,
-		rxpkt[1], rxpkt[7], rxpkt[6], rxpkt[5], rxpkt[4]);
-	fmtbuf_ptr = index(fmtbuf, '\0');
-	print_entity_name(rxpkt + 8);
-	*fmtbuf_ptr++ = '-';
-	*fmtbuf_ptr++ = '>';
-	print_entity_name(rxpkt + 12);
-	*fmtbuf_ptr++ = ' ';
-}
-
-static void
-format_text(start_off)
-{
-	int i, c;
-
-	*fmtbuf_ptr++ = '\"';
-	for (i = start_off; i < rxpkt_len; i++) {
-		c = rxpkt[i];
-		if (c & 0x80) {
-			*fmtbuf_ptr++ = 'M';
-			*fmtbuf_ptr++ = '-';
-			c &= 0x7F;
-		}
-		if (c < 0x20) {
-			*fmtbuf_ptr++ = '^';
-			*fmtbuf_ptr++ = c + '@';
-		} else if (c == 0x7F) {
-			*fmtbuf_ptr++ = '^';
-			*fmtbuf_ptr++ = '?';
-		} else
-			*fmtbuf_ptr++ = c;
-	}
-	*fmtbuf_ptr++ = '\"';
-	*fmtbuf_ptr = '\0';
-	output_line(fmtbuf);
-}
-
-static void
-format_compressed_trace(start_off)
-{
-	int i;
-
-	i = start_off + 1;
-	sprintf(fmtbuf_ptr, "%d", rxpkt[i+1] << 8 | rxpkt[i]);
-	fmtbuf_ptr = index(fmtbuf_ptr, '\0');
-	i += 4;
-	for (; i < rxpkt_len; i++) {
-		sprintf(fmtbuf_ptr, " %02X", rxpkt[i]);
-		fmtbuf_ptr += 3;
-	}
-	*fmtbuf_ptr = '\0';
-	output_line(fmtbuf);
-}
-
-static void
-format_trace()
-{
-	int i;
-
-	i = 16;
-	if (rxpkt[i] < 0x20) {
-		sprintf(fmtbuf_ptr, "tc=%02X ", rxpkt[i]);
-		fmtbuf_ptr += 6;
-		i++;
-	}
-	if (rxpkt_len - i >= 5 && rxpkt[i] == '%' &&
-	    !rxpkt[i+3] && !rxpkt[i+4])
-		format_compressed_trace(i);
-	else
-		format_text(i);
-}
-
-static void
-format_psprim()
-{
-	int i;
-
-	/* original destination */
-	*fmtbuf_ptr++ = '(';
-	print_entity_name(rxpkt + 16);
-	*fmtbuf_ptr++ = ')';
-	/* opcode */
-	sprintf(fmtbuf_ptr, " %02X%02X%02X%02X",
-		rxpkt[23], rxpkt[22], rxpkt[21], rxpkt[20]);
-	fmtbuf_ptr += 9;
-	for (i = 24; i < rxpkt_len; i++) {
-		sprintf(fmtbuf_ptr, " %02X", rxpkt[i]);
-		fmtbuf_ptr += 3;
-	}
-	*fmtbuf_ptr = '\0';
-	output_line(fmtbuf);
-}
-
-void
-print_g23_trace()
-{
-	if (!basic_checks()) {
-		print_malformed();
-		return;
-	}
-	/* dispatch by type */
-	switch (rxpkt[1] & 0x30) {
-	case 0x10:
-		/* PS primitive */
-		if (psprim_extra_checks()) {
-			print_common_hdr("PSprim");
-			format_psprim();
-		} else
-			print_malformed();
-		return;
-	case 0x20:
-		/* trace */
-		print_common_hdr("trace");
-		format_trace();
-		return;
-	case 0x30:
-		/* system primitive */
-		print_common_hdr("sysprim");
-		format_text(16);
-		return;
-	default:
-		print_malformed();
-	}
-}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rvinterf/old/format_g23.c	Tue Apr 22 05:52:38 2014 +0000
@@ -0,0 +1,241 @@
+/*
+ * This module implements the decoding of G23 trace packets into
+ * human-readable form - or more precisely, traces, system primitives
+ * and other packets that can be emitted through GPF on targets.
+ * The decoding is based on my (Space Falcon's) understanding
+ * of the packet format, which is in turn based on the GPF sources
+ * available to us, now integrated under gsm-fw/gpf.
+ */
+
+#include <sys/types.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+#include <strings.h>
+#include "../include/pktmux.h"
+#include "../include/limits.h"
+
+extern u_char rxpkt[];
+extern size_t rxpkt_len;
+extern char fmtbuf[];
+
+static char *fmtbuf_ptr;
+
+static int
+basic_checks()
+{
+	int i, c;
+
+	if (rxpkt_len < 17)
+		return(0);
+	/* check version bits in the header byte */
+	if ((rxpkt[1] & 0xC0) != 0x80)
+		return(0);
+	/* check the length */
+	c = rxpkt[2] | rxpkt[3] << 8;
+	if (c + 4 != rxpkt_len)
+		return(0);
+	/* ensure that the "from" and "to" are printable ASCII */
+	for (i = 8; i < 16; i++) {
+		c = rxpkt[i];
+		if (c < ' ' || c > '~')
+			return(0);
+	}
+	/* basic checks pass */
+	return(1);
+}
+
+static int
+psprim_extra_checks()
+{
+	int i, c;
+
+	if (rxpkt_len < 24)
+		return(0);
+	/* "original rcvr" field needs to be printable ASCII */
+	for (i = 16; i < 20; i++) {
+		c = rxpkt[i];
+		if (c < ' ' || c > '~')
+			return(0);
+	}
+	/* checks pass */
+	return(1);
+}
+
+static void
+print_malformed()
+{
+	int i;
+	char *dp;
+
+	dp = fmtbuf;
+	strcpy(dp, "G23 UNK:");
+	dp += 8;
+	for (i = 1; i < rxpkt_len; i++) {
+		sprintf(dp, " %02X", rxpkt[i]);
+		dp += 3;
+	}
+	*dp = '\0';
+	output_line(fmtbuf);
+}
+
+static int
+entity_name_well_formed(p)
+	char *p;
+{
+	int i, len;
+
+	if (!isupper(p[0]))
+		return(0);
+	for (i = 0; i < 4; i++)
+		if (!isalnum(p[i]))
+			break;
+	len = i;
+	for (; i < 4; i++)
+		if (p[i] != ' ')
+			return(0);
+	return(len);
+}
+
+static void
+print_entity_name(raw)
+	char *raw;
+{
+	int len;
+
+	len = entity_name_well_formed(raw);
+	if (len)
+		sprintf(fmtbuf_ptr, "%.*s", len, raw);
+	else
+		sprintf(fmtbuf_ptr, "\"%.4s\"", raw);
+	fmtbuf_ptr = index(fmtbuf_ptr, '\0');
+}
+
+static void
+print_common_hdr(typestr)
+	char *typestr;
+{
+	sprintf(fmtbuf, "G23 %s id=%02X ts=%02X%02X%02X%02X ", typestr,
+		rxpkt[1], rxpkt[7], rxpkt[6], rxpkt[5], rxpkt[4]);
+	fmtbuf_ptr = index(fmtbuf, '\0');
+	print_entity_name(rxpkt + 8);
+	*fmtbuf_ptr++ = '-';
+	*fmtbuf_ptr++ = '>';
+	print_entity_name(rxpkt + 12);
+	*fmtbuf_ptr++ = ' ';
+}
+
+static void
+format_text(start_off)
+{
+	int i, c;
+
+	*fmtbuf_ptr++ = '\"';
+	for (i = start_off; i < rxpkt_len; i++) {
+		c = rxpkt[i];
+		if (c & 0x80) {
+			*fmtbuf_ptr++ = 'M';
+			*fmtbuf_ptr++ = '-';
+			c &= 0x7F;
+		}
+		if (c < 0x20) {
+			*fmtbuf_ptr++ = '^';
+			*fmtbuf_ptr++ = c + '@';
+		} else if (c == 0x7F) {
+			*fmtbuf_ptr++ = '^';
+			*fmtbuf_ptr++ = '?';
+		} else
+			*fmtbuf_ptr++ = c;
+	}
+	*fmtbuf_ptr++ = '\"';
+	*fmtbuf_ptr = '\0';
+	output_line(fmtbuf);
+}
+
+static void
+format_compressed_trace(start_off)
+{
+	int i;
+
+	i = start_off + 1;
+	sprintf(fmtbuf_ptr, "%d", rxpkt[i+1] << 8 | rxpkt[i]);
+	fmtbuf_ptr = index(fmtbuf_ptr, '\0');
+	i += 4;
+	for (; i < rxpkt_len; i++) {
+		sprintf(fmtbuf_ptr, " %02X", rxpkt[i]);
+		fmtbuf_ptr += 3;
+	}
+	*fmtbuf_ptr = '\0';
+	output_line(fmtbuf);
+}
+
+static void
+format_trace()
+{
+	int i;
+
+	i = 16;
+	if (rxpkt[i] < 0x20) {
+		sprintf(fmtbuf_ptr, "tc=%02X ", rxpkt[i]);
+		fmtbuf_ptr += 6;
+		i++;
+	}
+	if (rxpkt_len - i >= 5 && rxpkt[i] == '%' &&
+	    !rxpkt[i+3] && !rxpkt[i+4])
+		format_compressed_trace(i);
+	else
+		format_text(i);
+}
+
+static void
+format_psprim()
+{
+	int i;
+
+	/* original destination */
+	*fmtbuf_ptr++ = '(';
+	print_entity_name(rxpkt + 16);
+	*fmtbuf_ptr++ = ')';
+	/* opcode */
+	sprintf(fmtbuf_ptr, " %02X%02X%02X%02X",
+		rxpkt[23], rxpkt[22], rxpkt[21], rxpkt[20]);
+	fmtbuf_ptr += 9;
+	for (i = 24; i < rxpkt_len; i++) {
+		sprintf(fmtbuf_ptr, " %02X", rxpkt[i]);
+		fmtbuf_ptr += 3;
+	}
+	*fmtbuf_ptr = '\0';
+	output_line(fmtbuf);
+}
+
+void
+print_g23_trace()
+{
+	if (!basic_checks()) {
+		print_malformed();
+		return;
+	}
+	/* dispatch by type */
+	switch (rxpkt[1] & 0x30) {
+	case 0x10:
+		/* PS primitive */
+		if (psprim_extra_checks()) {
+			print_common_hdr("PSprim");
+			format_psprim();
+		} else
+			print_malformed();
+		return;
+	case 0x20:
+		/* trace */
+		print_common_hdr("trace");
+		format_trace();
+		return;
+	case 0x30:
+		/* system primitive */
+		print_common_hdr("sysprim");
+		format_text(16);
+		return;
+	default:
+		print_malformed();
+	}
+}