X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fserver%2Ftcl_server.c;h=30d55cbc348304e94ae03358f3af676d3d177153;hp=7c8e130ba702a8f2b660725143a08d27d938e236;hb=b48d1f66378fac886d5bc32d7302da48c89d8a75;hpb=31b050108a1cd740b326dddfa7a2f1322ee8c186

diff --git a/src/server/tcl_server.c b/src/server/tcl_server.c
index 7c8e130ba7..30d55cbc34 100644
--- a/src/server/tcl_server.c
+++ b/src/server/tcl_server.c
@@ -1,5 +1,6 @@
 /***************************************************************************
- *   Copyright (C) 2008                                                    *
+ *   Copyright (C) 2010 Øyvind Harboe                                      *
+ *   oyvind.harboe@zylin.com                                               *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -23,18 +24,17 @@
 
 #include "tcl_server.h"
 
-
-#define TCL_SERVER_VERSION	"TCL Server 0.1"
-#define TCL_MAX_LINE		(4096)
+#define TCL_SERVER_VERSION		"TCL Server 0.1"
+#define TCL_MAX_LINE			(4096)
 
 struct tcl_connection {
 	int tc_linedrop;
 	int tc_lineoffset;
 	char tc_line[TCL_MAX_LINE];
-	int tc_outerror; /* flag an output error */
+	int tc_outerror;/* flag an output error */
 };
 
-static unsigned short tcl_port = 6666;
+static const char *tcl_port;
 
 /* handlers */
 static int tcl_new_connection(struct connection *connection);
@@ -56,7 +56,8 @@ int tcl_output(struct connection *connection, const void *data, ssize_t len)
 	if (tclc->tc_outerror)
 		return ERROR_SERVER_REMOTE_CLOSED;
 
-	wlen = write_socket(connection->fd, data, len);
+	wlen = connection_write(connection, data, len);
+
 	if (wlen == len)
 		return ERROR_OK;
 
@@ -90,7 +91,7 @@ static int tcl_input(struct connection *connection)
 	struct tcl_connection *tclc;
 	unsigned char in[256];
 
-	rlen = read_socket(connection->fd, &in, sizeof(in));
+	rlen = connection_read(connection, &in, sizeof(in));
 	if (rlen <= 0) {
 		if (rlen < 0)
 			LOG_ERROR("error during read: %s", strerror(errno));
@@ -102,15 +103,7 @@ static int tcl_input(struct connection *connection)
 		return ERROR_CONNECTION_REJECTED;
 
 	/* push as much data into the line as possible */
-	for (i = 0; i < rlen; i++)
-	{
-		if (!isprint(in[i]) && !isspace(in[i]))
-		{
-			/* drop this line */
-			tclc->tc_linedrop = 1;
-			continue;
-		}
-
+	for (i = 0; i < rlen; i++) {
 		/* buffer the data */
 		tclc->tc_line[tclc->tc_lineoffset] = in[i];
 		if (tclc->tc_lineoffset < TCL_MAX_LINE)
@@ -118,7 +111,11 @@ static int tcl_input(struct connection *connection)
 		else
 			tclc->tc_linedrop = 1;
 
-		if (in[i] != '\n')
+		/* ctrl-z is end of command. When testing from telnet, just
+		 * press ctrl-z a couple of times first to put telnet into the
+		 * mode where it will send 0x1a in response to pressing ctrl-z
+		 */
+		if (in[i] != '\x1a')
 			continue;
 
 		/* process the line */
@@ -128,16 +125,18 @@ static int tcl_input(struct connection *connection)
 			if (retval != ERROR_OK)
 				return retval;
 #undef ESTR
-		}
-		else {
+		} else {
 			tclc->tc_line[tclc->tc_lineoffset-1] = '\0';
-			retval = Jim_Eval_Named(interp, tclc->tc_line, "remote:connection",1);
+			LOG_DEBUG("Executing script:\n %s", tclc->tc_line);
+			retval = Jim_Eval_Named(interp, tclc->tc_line, "remote:connection", 1);
+			LOG_DEBUG("Result: %d\n %s", retval,
+				Jim_GetString(Jim_GetResult(interp), &reslen));
 			result = Jim_GetString(Jim_GetResult(interp), &reslen);
 			retval = tcl_output(connection, result, reslen);
 			if (retval != ERROR_OK)
 				return retval;
-			if (memchr(result, '\n', reslen) == NULL)
-				tcl_output(connection, "\n", 1);
+			/* Always output ctrl-d as end of line to allow multiline results */
+			tcl_output(connection, "\x1a", 1);
 		}
 
 		tclc->tc_lineoffset = 0;
@@ -159,23 +158,19 @@ static int tcl_closed(struct connection *connection)
 
 int tcl_init(void)
 {
-	int retval;
-
-	if (tcl_port == 0)
-	{
-		LOG_INFO("tcl port disabled");
+	if (strcmp(tcl_port, "disabled") == 0) {
+		LOG_INFO("tcl server disabled");
 		return ERROR_OK;
 	}
 
-	retval = add_service("tcl", CONNECTION_TCP, tcl_port, 1,
-			&tcl_new_connection, &tcl_input,
-			&tcl_closed, NULL);
-	return retval;
+	return add_service("tcl", tcl_port, 1,
+		&tcl_new_connection, &tcl_input,
+		&tcl_closed, NULL);
 }
 
 COMMAND_HANDLER(handle_tcl_port_command)
 {
-	return CALL_COMMAND_HANDLER(server_port_command, &tcl_port);
+	return CALL_COMMAND_HANDLER(server_pipe_command, &tcl_port);
 }
 
 static const struct command_registration tcl_command_handlers[] = {
@@ -185,7 +180,7 @@ static const struct command_registration tcl_command_handlers[] = {
 		.mode = COMMAND_CONFIG,
 		.help = "Specify port on which to listen "
 			"for incoming Tcl syntax.  "
-			"No arguments reports Tcl port; zero disables.",
+			"Read help on 'gdb_port'.",
 		.usage = "[port_num]",
 	},
 	COMMAND_REGISTRATION_DONE
@@ -193,5 +188,6 @@ static const struct command_registration tcl_command_handlers[] = {
 
 int tcl_register_commands(struct command_context *cmd_ctx)
 {
+	tcl_port = strdup("6666");
 	return register_commands(cmd_ctx, NULL, tcl_command_handlers);
 }