示例#1
0
文件: trace_ds.c 项目: hharte/c3270
/* Check for a trace file rollover event. */
void
trace_rollover_check(void)
{
	if (tracef == NULL || tracef_max == 0)
		return;

	/* See if we've reached a rollover point. */
	if (tracef_size >= tracef_max) {
	    	char *alt_filename;
		char *new_header;
#if defined(_WIN32) /*[*/
		char *period;
#endif /*]*/

		/* Close up this file. */
		wtrace("Trace rolled over\n");
		fclose(tracef);
		tracef = NULL;

		/* Unlink and rename the alternate file. */
#if defined(_WIN32) /*[*/
		period = strrchr(tracefile_name, '.');
		if (period != CN)
			alt_filename = xs_buffer("%.*s-%s",
				period - tracefile_name,
				tracefile_name,
				period);
		else
#endif /*]*/
			alt_filename = xs_buffer("%s-", tracefile_name);
		(void) unlink(alt_filename);
		(void) rename(tracefile_name, alt_filename);
		Free(alt_filename);
		alt_filename = CN;
		tracef = fopen(tracefile_name, "w");
		if (tracef == (FILE *)NULL) {
			popup_an_errno(errno, "%s", tracefile_name);
			return;
		}

		/* Initialize it. */
		tracef_size = 0L;
		(void) SETLINEBUF(tracef);
		new_header = create_tracefile_header("rolled over");
		do_ts = True;
		wtrace(new_header);
		Free(new_header);
	}
}
示例#2
0
文件: trace_ds.c 项目: hharte/c3270
/* Callback for "OK" button on trace popup */
static void
tracefile_callback(Widget w, XtPointer client_data, XtPointer call_data _is_unused)
{
	char *tfn = CN;
	int devfd = -1;
#if defined(X3270_DISPLAY) /*[*/
	int pipefd[2];
	Boolean just_piped = False;
#endif /*]*/
	char *buf;

#if defined(X3270_DISPLAY) /*[*/
	if (w)
		tfn = XawDialogGetValueString((Widget)client_data);
	else
#endif /*]*/
		tfn = (char *)client_data;
	tfn = do_subst(tfn, DS_VARS | DS_TILDE | DS_UNIQUE);
	if (strchr(tfn, '\'') ||
	    ((int)strlen(tfn) > 0 && tfn[strlen(tfn)-1] == '\\')) {
		popup_an_error("Illegal file name: %s", tfn);
		Free(tfn);
		goto done;
	}

	tracef_max = 0;

	if (!strcmp(tfn, "stdout")) {
		tracef = stdout;
	} else {
#if defined(X3270_DISPLAY) /*[*/
		FILE *pipefile = NULL;

		if (!strcmp(tfn, "none") || !tfn[0]) {
			just_piped = True;
			if (!appres.trace_monitor) {
				popup_an_error("Must specify a trace file "
				    "name");
				free(tfn);
				goto done;
			}
		}

		if (appres.trace_monitor) {
			if (pipe(pipefd) < 0) {
				popup_an_errno(errno, "pipe() failed");
				Free(tfn);
				goto done;
			}
			pipefile = fdopen(pipefd[1], "w");
			if (pipefile == NULL) {
				popup_an_errno(errno, "fdopen() failed");
				(void) close(pipefd[0]);
				(void) close(pipefd[1]);
				Free(tfn);
				goto done;
			}
			(void) SETLINEBUF(pipefile);
			(void) fcntl(pipefd[1], F_SETFD, 1);
		}

		if (just_piped) {
			tracef = pipefile;
		} else
#endif /*]*/
		{
		    	Boolean append = False;

#if defined(X3270_DISPLAY) /*[*/
			tracef_pipe = pipefile;
#endif /*]*/
			/* Get the trace file maximum. */
			get_tracef_max();

			/* Open and configure the file. */
			if ((devfd = get_devfd(tfn)) >= 0)
				tracef = fdopen(dup(devfd), "a");
			else if (!strncmp(tfn, ">>", 2)) {
			    	append = True;
				tracef = fopen(tfn + 2, "a");
			} else
				tracef = fopen(tfn, "w");
			if (tracef == (FILE *)NULL) {
				popup_an_errno(errno, "%s", tfn);
#if defined(X3270_DISPLAY) /*[*/
				fclose(tracef_pipe);
				(void) close(pipefd[0]);
				(void) close(pipefd[1]);
#endif /*]*/
				Free(tfn);
				goto done;
			}
			tracef_size = ftello(tracef);
			Replace(tracefile_name,
				NewString(append? tfn + 2: tfn));
			(void) SETLINEBUF(tracef);
#if !defined(_WIN32) /*[*/
			(void) fcntl(fileno(tracef), F_SETFD, 1);
#endif /*]*/
		}
	}

#if defined(X3270_DISPLAY) /*[*/
	/* Start the monitor window */
	if (tracef != stdout && appres.trace_monitor) {
		switch (tracewindow_pid = fork_child()) {
		    case 0:	/* child process */
			{
				char cmd[64];

				(void) snprintf(cmd, sizeof(cmd), "cat <&%d",
					pipefd[0]);
				(void) execlp("xterm", "xterm",
				    "-title", just_piped? "trace": tfn,
				    "-sb", "-e", "/bin/sh", "-c",
				    cmd, CN);
			}
			(void) perror("exec(xterm) failed");
			_exit(1);
		    default:	/* parent */
			(void) close(pipefd[0]);
			++children;
			break;
		    case -1:	/* error */
			popup_an_errno(errno, "fork() failed");
			break;
		}
	}
#endif /*]*/

#if defined(_WIN32) && defined(C3270) /*[*/
	/* Start the monitor window. */
	if (tracef != stdout && appres.trace_monitor && is_installed) {
		STARTUPINFO startupinfo;
		PROCESS_INFORMATION process_information;
		char *path;
		char *args;

	    	(void) memset(&startupinfo, '\0', sizeof(STARTUPINFO));
		startupinfo.cb = sizeof(STARTUPINFO);
		startupinfo.lpTitle = tfn;
		(void) memset(&process_information, '\0',
			      sizeof(PROCESS_INFORMATION));
		path = xs_buffer("%scatf.exe", instdir);
		args = xs_buffer("\"%scatf.exe\" \"%s\"", instdir, tfn);
		if (CreateProcess(
		    path,
		    args,
		    NULL,
		    NULL,
		    FALSE,
		    CREATE_NEW_CONSOLE,
		    NULL,
		    NULL,
		    &startupinfo,
		    &process_information) == 0) {
		    	popup_an_error("CreateProcess(%s) failed: %s",
				path, win32_strerror(GetLastError()));
			Free(path);
			Free(args);
		} else {
			Free(path);
		    	Free(args);
			tracewindow_handle = process_information.hProcess;
			CloseHandle(process_information.hThread);
		}
	}
#endif /*]*/

	Free(tfn);

	/* We're really tracing, turn the flag on. */
	appres.toggle[trace_reason].value = True;
	appres.toggle[trace_reason].changed = True;
	menubar_retoggle(&appres.toggle[trace_reason], trace_reason);

	/* Display current status. */
	buf = create_tracefile_header("started");
	do_ts = False;
	wtrace("%s", buf);
	Free(buf);

done:
#if defined(X3270_DISPLAY) /*[*/
	if (w)
		XtPopdown(trace_shell);
#endif /*]*/
	return;
}
示例#3
0
文件: trace.c 项目: Oxyoptia/x3270
/* Start tracing, using the specified file. */
void
tracefile_ok(const char *tfn)
{
    int devfd = -1;
#if !defined(_WIN32) /*[*/
    int pipefd[2];
    bool just_piped = false;
#endif /*]*/
    char *buf;
    char *stfn;

    stfn = do_subst(tfn, DS_VARS | DS_TILDE | DS_UNIQUE);
    if (strchr(stfn, '\'') ||
	((int)strlen(stfn) > 0 && stfn[strlen(stfn)-1] == '\\')) {
	popup_an_error("Illegal file name: %s", tfn);
	Free(stfn);
	goto done;
    }

    tracef_max = 0;

    if (!strcmp(stfn, "stdout")) {
	tracef = stdout;
    } else {
#if !defined(_WIN32) /*[*/
	FILE *pipefile = NULL;

	if (!strcmp(stfn, "none") || !stfn[0]) {
	    just_piped = true;
	    if (!appres.trace_monitor) {
		popup_an_error("Must specify a trace file name");
		free(stfn);
		goto done;
	    }
	}

	if (appres.trace_monitor) {
	    if (pipe(pipefd) < 0) {
		popup_an_errno(errno, "pipe() failed");
		Free(stfn);
		goto done;
	    }
	    pipefile = fdopen(pipefd[1], "w");
	    if (pipefile == NULL) {
		popup_an_errno(errno, "fdopen() failed");
		(void) close(pipefd[0]);
		(void) close(pipefd[1]);
		Free(stfn);
		goto done;
	    }
	    (void) SETLINEBUF(pipefile);
	    (void) fcntl(pipefd[1], F_SETFD, 1);
	}

	if (just_piped) {
	    tracef = pipefile;
	} else
#endif /*]*/
	{
	    bool append = false;

#if !defined(_WIN32) /*[*/
	    tracef_pipe = pipefile;
#endif /*]*/
	    /* Get the trace file maximum. */
	    get_tracef_max();

	    /* Open and configure the file. */
	    if ((devfd = get_devfd(stfn)) >= 0)
		tracef = fdopen(dup(devfd), "a");
	    else if (!strncmp(stfn, ">>", 2)) {
		append = true;
		tracef = fopen(stfn + 2, "a");
	    } else {
		tracef = fopen(stfn, "w");
	    }
	    if (tracef == NULL) {
		popup_an_errno(errno, "%s", stfn);
#if !defined(_WIN32) /*[*/
		fclose(tracef_pipe);
		(void) close(pipefd[0]);
		(void) close(pipefd[1]);
#endif /*]*/
		Free(stfn);
		goto done;
	    }
	    tracef_size = ftello(tracef);
	    Replace(tracefile_name, NewString(append? stfn + 2: stfn));
	    (void) SETLINEBUF(tracef);
#if !defined(_WIN32) /*[*/
	    (void) fcntl(fileno(tracef), F_SETFD, 1);
#endif /*]*/
	}
    }

    /* Start the monitor window. */
    if (tracef != stdout && appres.trace_monitor && product_has_display()) {
#if !defined(_WIN32) /*[*/
	start_trace_window(just_piped? NULL: stfn, pipefd);
#else /*][*/
	if (windirs_flags && GD_CATF) {
	    start_trace_window(stfn);
	}
#endif /*]*/
    }

    Free(stfn);

    /* We're really tracing, turn the flag on. */
    set_toggle(trace_reason, true);
    menubar_retoggle(trace_reason);

    /* Display current status. */
    buf = create_tracefile_header("started");
    wtrace(false, "%s", buf);
    Free(buf);
done:
    return;
}