dtv-scan-tables.git - dtv-scan-tables Debian packaging

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Diffstat (limited to 'dvb-t/se-Ljugarn_3193')

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/* $Id$ * $URL$ * * plugin hddtemp * * Copyright (C) 2007 Scott Bronson <brons_lcd4linux@rinspin.com> * Copyright (C) 2004, 2005, 2006, 2007, 2008 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. * */ /* Example: * (I tried to put this info on the wiki but Akismet claimed it was spam) Widget SmallHDDTemp { class 'Text' expression hddtemp('/dev/hda') width 4 precision 1 align 'R' update tick } hddtemp home page: http://www.guzu.net/linux/hddtemp.php Quick Examples: * hddtemp() -- return temperature of first drive (order is defined by the hddtemp daemon). * hddtemp('/dev/hda') -- return temperature of /dev/hda on localhost. * hddtemp('ST3400832A') -- return temperature of the drive with the given ID. * hddtemp('burly', '') -- return temperature of the first drive on host burly. * hddtemp('burly', 17634, '/dev/hda') -- return temperature of /dev/hda on burly connecting to the hddtemp daemon listening on port 17634. You can find out what drives are being monitored by running telnet HOST PORT i.e. $ telnet localhost 7634 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. |/dev/hda|ST3400832A|53|C|Connection closed by foreign host. This tells me that /dev/hda is a Seagate ST3400832A running at an awfully toasty 53 degC. */ /* * exported functions: * * int plugin_init_hddtemp (void) * adds various functions * void plugin_exit_hddtemp (void) * */ #include "config.h" #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <string.h> #include <errno.h> /* network specific includes */ #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <netdb.h> #include <arpa/inet.h> /* these should always be included */ #include "debug.h" #include "plugin.h" static int socket_open(const char *name, int port) { struct sockaddr_in server; struct hostent *host_info; unsigned long addr; int sock; sock = socket(PF_INET, SOCK_STREAM, 0); if (sock < 0) { error("[hddtemp] failed to create socket: %s", strerror(errno)); return -1; } memset(&server, 0, sizeof(server)); if ((addr = inet_addr(name)) != INADDR_NONE) { memcpy((char *) &server.sin_addr, &addr, sizeof(addr)); } else { host_info = gethostbyname(name); if (NULL == host_info) { error("[hddtemp] Unknown server: %s", name); return -1; } memcpy((char *) &server.sin_addr, host_info->h_addr, host_info->h_length); } server.sin_family = AF_INET; server.sin_port = htons(port); if (connect(sock, (struct sockaddr *) &server, sizeof(server)) < 0) { error("[hddtemp] can't connect to server %s: %s", name, strerror(errno)); return -1; } return sock; } static size_t hddtemp_read(int socket, char *buffer, size_t size) { size_t count = 0; ssize_t len; while (count < size) { len = read(socket, buffer + count, size - count); if (len > 0) { count += len; } else if (len < 0) { error("[hddtemp] couldn't read from socket: %s", strerror(errno)); return -1; } else { break; /* remote socket has closed */ } } // null-terminate the string if (count < size) { buffer[count] = '\0'; } else { buffer[size - 1] = '\0'; } return count; } static int hddtemp_connect(const char *host, int port, char *buffer, size_t size) { int socket, ret; socket = socket_open(host, port); if (socket < 0) { error("[hddtemp] Error accessing %s:%d: %s", host, port, strerror(errno)); return -1; } ret = hddtemp_read(socket, buffer, size); close(socket); return ret; } /* split a value into columns and return the nth column */ /* WARNING: does return a pointer to a static string!! */ static char *split(const char *value, const int column) { static char buffer[256]; const char *p, *q, *v; size_t l; int c; c = 0; p = value; q = NULL; for (v = value; v && *v; v++) { if (*v == '|') { if (c == column) { q = v; break; } else { p = v + 1; } c++; } } if (c < column) return NULL; l = q ? (size_t) (q - p) : strlen(p); if (l >= sizeof(buffer)) l = sizeof(buffer) - 1; strncpy(buffer, p, l); buffer[l] = '\0'; return buffer; } static char *hddtemp_fetch(const char *host, int port, const char *device) { char buffer[4096]; char *key; int i; /* fetch a buffer of all hddtemps */ if (!hddtemp_connect(host, port, buffer, sizeof(buffer))) { return "err"; } i = 1; while (1) { key = split(buffer, i); if (key == NULL) break; if (strcmp(device, key) == 0) { return split(buffer, i + 2); } i += 5; } return "n/a"; } static void my_hddtemp(RESULT * result, int argc, RESULT * argv[]) { char *device = ""; int port = 7634; char *host = "localhost"; char *value; switch (argc) { case 0: break; case 1: device = R2S(argv[0]); break; case 2: host = R2S(argv[0]); device = R2S(argv[1]); break; case 3: host = R2S(argv[0]); port = (int) R2N(argv[1]); device = R2S(argv[2]); break; default: error("hddtemp(): too many parameters"); SetResult(&result, R_STRING, ""); return; } value = hddtemp_fetch(host, port, device); SetResult(&result, R_STRING, value); } int plugin_init_hddtemp(void) { AddFunction("hddtemp", -1, my_hddtemp); return 0; } void plugin_exit_hddtemp(void) { }


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