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-rw-r--r--oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_fifo.c.svn-base318
1 files changed, 0 insertions, 318 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_fifo.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_fifo.c.svn-base
deleted file mode 100644
index 9a49285e..00000000
--- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_fifo.c.svn-base
+++ /dev/null
@@ -1,318 +0,0 @@
-/* $Id$
- * $URL$
- *
- * Fifo plugin
- *
- * Copyright (C) 2008 Michael Vogt <michu@neophob.com>
- * Copyright (C) 2010 Mattia Jona-Lasinio <mjona@users.sourceforge.net>
- * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
- *
- * This file is part of LCD4Linux.
- *
- * LCD4Linux is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * LCD4Linux is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-/*
- * Configuration parameters:
- *
- * - FifoPath 'string' : use <string> as the fifo complete file path
- * If absent use /tmp/lcd4linux.fifo)
- *
- * - FifoBufSize num : if the plugin is unable to determine the display size then
- * set the size of the internal buffer to <num> characters
- * otherwise use the display size (number of columns).
- * If no display size is available and no FifoBufSize parameter
- * is specified then arbitrarily set the internal buffer size
- * to 80 characters.
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <signal.h>
-
-#include "debug.h"
-#include "plugin.h"
-#include "cfg.h"
-
-#ifdef WITH_DMALLOC
-#include <dmalloc.h>
-#endif
-
-#define FIFO_MAXPATH 256
-#define FIFO_DEFAULT_PATH /tmp/lcd4linux.fifo
-#define FIFO_DEFAULT_BUFSIZE 80
-#define str(s) #s
-#define string(s) str(s)
-
-struct FifoData {
- char *path;
- char *msg;
- int msglen;
- int input;
- int created;
-};
-
-static struct FifoData fd = {
- .path = NULL,
- .msg = NULL,
- .msglen = -1,
- .input = -1,
- .created = -1,
-};
-
-
-static int confFifo(struct FifoData *p)
-{
- char *path, *disp, *sect, *fifosect = "Plugin:FIFO";
- unsigned int pathlen;
-
- info("[FIFO] Reading config file '%s'", cfg_source());
-
- path = cfg_get(fifosect, "FifoPath", string(FIFO_DEFAULT_PATH));
- pathlen = strlen(path);
- if (pathlen == 0) {
- info("[FIFO] Invalid '%s.FifoPath' entry from '%s'. "
- "Assuming " string(FIFO_DEFAULT_PATH), fifosect, cfg_source());
- free(path);
- path = strdup(string(FIFO_DEFAULT_PATH));
- pathlen = strlen(path);
- }
- if (pathlen > FIFO_MAXPATH) {
- error("[FIFO] Error: Too long '%s.FifoPath' entry from '%s'. "
- "(MAX " string(FIFO_MAXPATH) " chars)", fifosect, cfg_source());
- free(path);
- return (-1);
- }
- info("[FIFO] Read '%s.FifoPath' value is '%s'", fifosect, path);
-
- disp = cfg_get(NULL, "Display", NULL);
- if (disp == NULL) {
- error("[FIFO] Error: Could not get the Display name from '%s'", cfg_source());
- free(path);
- return (-1);
- }
- if ((sect = malloc(1 + strlen("Display:") + strlen(disp))) == NULL) {
- error("[FIFO] Error: Memory allocation failed");
- free(disp);
- free(path);
- return (-1);
- }
- strcpy(sect, "Display:");
- strcat(sect, disp);
- info("[FIFO] Using display '%s'.", disp);
- free(disp);
-
- disp = cfg_get(sect, "Size", NULL);
- if (disp != NULL) {
- info("[FIFO] Getting the buffer size from '%s.Size'", sect);
- if (sscanf(disp, "%dx%*d", &p->msglen) != 1) {
- info("[FIFO] Could not determine the display size. " "Assuming " string(FIFO_DEFAULT_BUFSIZE));
- p->msglen = FIFO_DEFAULT_BUFSIZE;
- }
- free(disp);
- } else {
- info("[FIFO] Could not find a '%s.Size' entry.", sect);
- if (cfg_number(fifosect, "FifoBufSize", FIFO_DEFAULT_BUFSIZE, 0, -1, &p->msglen) > 0) {
- info("[FIFO] Getting the buffer size from '%s.FifoBufSize'", fifosect);
- } else {
- info("[FIFO] Could not find a valid '%s.FifoBufSize' entry. "
- "Assuming " string(FIFO_DEFAULT_BUFSIZE), fifosect);
- p->msglen = FIFO_DEFAULT_BUFSIZE;
- }
- }
- info("[FIFO] Read buffer size is '%d'", p->msglen);
- free(sect);
-
- if ((p->msg = malloc(2 + pathlen + p->msglen)) == NULL) {
- error("[FIFO] Error: Memory allocation failed");
- free(path);
- return (-1);
- }
- p->msg[0] = 0;
- p->path = p->msg + p->msglen + 1;
- strcpy(p->path, path);
- free(path);
-
- return (0);
-}
-
-
-static int makeFifo(struct FifoData *p)
-{
- struct stat st;
-
- if (stat(p->path, &st) < 0) {
- if (errno == ENOENT) {
- if (mkfifo(p->path, 0666) == 0) {
- p->created = 1;
-
- return (0);
- }
- error("Couldn't create FIFO \"%s\": %s\n", p->path, strerror(errno));
-
- return (-1);
- }
- error("Failed to stat FIFO \"%s\": %s\n", p->path, strerror(errno));
-
- return (-1);
- }
-
- if (!S_ISFIFO(st.st_mode)) {
- error("\"%s\" already exists, but is not a FIFO", p->path);
-
- return (-1);
- }
-
- return (0);
-}
-
-
-static void closeFifo(struct FifoData *p)
-{
- struct stat st;
-
- if (p->input >= 0) {
- close(p->input);
- p->input = -1;
- }
-
- if ((p->created >= 0) && (stat(p->path, &st) == 0)) {
- debug("Removing FIFO \"%s\"\n", p->path);
- if (unlink(p->path) < 0) {
- error("Could not remove FIFO \"%s\": %s\n", p->path, strerror(errno));
-
- return;
- }
- p->created = -1;
- }
-
- if (p->msg) {
- free(p->msg);
- p->msg = p->path = NULL;
- p->msglen = -1;
- }
-}
-
-
-static int openFifo(struct FifoData *p)
-{
- if (p->created < 0) {
- error("Error: FIFO \"%s\" does not exist: %s\n", p->path, strerror(errno));
-
- return (-1);
- }
-
- if ((p->input = open(p->path, O_RDONLY | O_NONBLOCK)) < 0) {
- error("Could not open FIFO \"%s\" for reading: %s\n", p->path, strerror(errno));
- closeFifo(p);
-
- return (-1);
- }
-
- return (0);
-}
-
-
-static int startFifo(struct FifoData *p)
-{
- int res;
-
- if ((res = confFifo(p)))
- return (res);
-
- if ((res = makeFifo(p)))
- return (res);
-
- if ((res = openFifo(p)))
- return (res);
-
- /* ignore broken pipe */
- signal(SIGPIPE, SIG_IGN);
-
- return (res);
-}
-
-
-static void readFifo(struct FifoData *p)
-{
- int bytes;
-
- bytes = read(p->input, p->msg, p->msglen);
- if (bytes == 0)
- return;
-
- if (bytes > 0) {
- p->msg[bytes] = 0;
- while (bytes--)
- if (p->msg[bytes] < 0x20)
- p->msg[bytes] = ' ';
- } else {
- error("[FIFO] Error %i: %s", errno, strerror(errno));
- strcpy(p->msg, "ERROR");
- }
-}
-
-
-static void runFifo(RESULT * result)
-{
- static int state = 1;
- struct FifoData *p = &fd;
- char *s;
-
- switch (state) {
- case 1:
- /* Called for the first time. Set up everything. */
- state = startFifo(p);
- s = "";
- break;
-
- case 0:
- /* Init went fine. Now run in normal operation mode. */
- readFifo(p);
- s = p->msg;
- break;
-
- default:
- /* There was an error somewhere in init. Do nothing. */
- s = "ERROR";
- break;
- }
-
- /* Store the result */
- SetResult(&result, R_STRING, s);
-}
-
-
-/* plugin initialization */
-int plugin_init_fifo(void)
-{
- AddFunction("fifo::read", 0, runFifo);
-
- return (0);
-}
-
-
-void plugin_exit_fifo(void)
-{
- closeFifo(&fd);
-}
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