X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fserver%2Ftcl_server.c;h=06f67ab76b82c0e128456ab8d844e44a2f75e766;hp=a12176eeac647bb716b1efaa75133c33658039e9;hb=6000411dddd9930b99a4931bc363f425cc0fdcda;hpb=833e7f5248778bcb31b4db1a1b91160995415203;ds=sidebyside

diff --git a/src/server/tcl_server.c b/src/server/tcl_server.c
index a12176eeac..06f67ab76b 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  *
@@ -81,13 +82,14 @@ static int tcl_new_connection(struct connection *connection)
 
 static int tcl_input(struct connection *connection)
 {
+	Jim_Interp *interp = (Jim_Interp *)connection->cmd_ctx->interp;
 	int retval;
 	int i;
 	ssize_t rlen;
 	const char *result;
 	int reslen;
 	struct tcl_connection *tclc;
-	char in[256];
+	unsigned char in[256];
 
 	rlen = read_socket(connection->fd, &in, sizeof(in));
 	if (rlen <= 0) {
@@ -103,13 +105,6 @@ static int tcl_input(struct connection *connection)
 	/* 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;
-		}
-
 		/* buffer the data */
 		tclc->tc_line[tclc->tc_lineoffset] = in[i];
 		if (tclc->tc_lineoffset < TCL_MAX_LINE)
@@ -117,7 +112,11 @@ 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 */
@@ -130,13 +129,15 @@ static int tcl_input(struct connection *connection)
 		}
 		else {
 			tclc->tc_line[tclc->tc_lineoffset-1] = '\0';
+			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;
@@ -166,7 +167,9 @@ int tcl_init(void)
 		return ERROR_OK;
 	}
 
-	retval = add_service("tcl", CONNECTION_TCP, tcl_port, 1, tcl_new_connection, tcl_input, tcl_closed, NULL);
+	retval = add_service("tcl", CONNECTION_TCP, tcl_port, 1,
+			&tcl_new_connection, &tcl_input,
+			&tcl_closed, NULL);
 	return retval;
 }
 
@@ -175,10 +178,20 @@ COMMAND_HANDLER(handle_tcl_port_command)
 	return CALL_COMMAND_HANDLER(server_port_command, &tcl_port);
 }
 
+static const struct command_registration tcl_command_handlers[] = {
+	{
+		.name = "tcl_port",
+		.handler = handle_tcl_port_command,
+		.mode = COMMAND_CONFIG,
+		.help = "Specify port on which to listen "
+			"for incoming Tcl syntax.  "
+			"No arguments reports Tcl port; zero disables.",
+		.usage = "[port_num]",
+	},
+	COMMAND_REGISTRATION_DONE
+};
+
 int tcl_register_commands(struct command_context *cmd_ctx)
 {
-	COMMAND_REGISTER(cmd_ctx, NULL, "tcl_port",
-			handle_tcl_port_command, COMMAND_CONFIG,
-			"port on which to listen for incoming TCL syntax");
-	return ERROR_OK;
+	return register_commands(cmd_ctx, NULL, tcl_command_handlers);
 }