X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fserver%2Ftcl_server.c;h=16710860614c708f21ddb24121aa9686cd90ef91;hp=082476861b5e3999f3216570fa9dfc1a942f3075;hb=96a56ba086ec94e577e4b3562010710abb2087c6;hpb=7b2906de246bc37af99d432b3edf12e9f5f63521;ds=sidebyside diff --git a/src/server/tcl_server.c b/src/server/tcl_server.c index 082476861b..1671086061 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 * @@ -34,7 +35,7 @@ struct tcl_connection { 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 +57,8 @@ 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; @@ -81,16 +83,16 @@ static int tcl_new_connection(struct connection *connection) static int tcl_input(struct connection *connection) { - Jim_Interp *interp = (Jim_Interp *)connection->priv; + 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)); + rlen = connection_read(connection, &in, sizeof(in)); if (rlen <= 0) { if (rlen < 0) LOG_ERROR("error during read: %s", strerror(errno)); @@ -104,13 +106,6 @@ 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) @@ -118,7 +113,11 @@ 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 */ @@ -131,13 +130,15 @@ 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; @@ -157,40 +158,39 @@ static int tcl_closed(struct connection *connection) return ERROR_OK; } -int tcl_init(struct command_context *cmd_ctx) +int tcl_init(void) { - int retval; - - if (tcl_port == 0) + if (strcmp(tcl_port, "disabled") == 0) { - LOG_INFO("tcl port disabled"); + LOG_INFO("tcl server disabled"); return ERROR_OK; } - retval = add_service("tcl", CONNECTION_TCP, tcl_port, 1, + return add_service("tcl", tcl_port, 1, &tcl_new_connection, &tcl_input, - &tcl_closed, cmd_ctx->interp); - return retval; + &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[] = { { .name = "tcl_port", - .handler = &handle_tcl_port_command, + .handler = handle_tcl_port_command, .mode = COMMAND_CONFIG, - .help = "port on which to listen " - "for incoming TCL syntax", - .usage = "", + .help = "Specify port on which to listen " + "for incoming Tcl syntax. " + "Read help on 'gdb_port'.", + .usage = "[port_num]", }, COMMAND_REGISTRATION_DONE }; int tcl_register_commands(struct command_context *cmd_ctx) { + tcl_port = strdup("6666"); return register_commands(cmd_ctx, NULL, tcl_command_handlers); }