1 /* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
2 * vim: ts=4 sw=4 noet ai cindent syntax=c
4 * Conky, a system monitor, based on torsmo
6 * Any original torsmo code is licensed under the BSD license
8 * All code written since the fork of torsmo is licensed under the GPL
10 * Please see COPYING for details
12 * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
13 * Copyright (c) 2005-2010 Brenden Matthews, Philip Kovacs, et. al.
15 * All rights reserved.
17 * This program is free software: you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation, either version 3 of the License, or
20 * (at your option) any later version.
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
26 * You should have received a copy of the GNU General Public License
27 * along with this program. If not, see <http://www.gnu.org/licenses/>.
33 #include "text_object.h"
38 #include <netinet/in.h>
40 struct read_tcp_data {
45 void parse_read_tcp_arg(struct text_object *obj, const char *arg, void *free_at_crash)
47 struct read_tcp_data *rtd;
49 rtd = malloc(sizeof(struct read_tcp_data));
50 memset(rtd, 0, sizeof(struct read_tcp_data));
52 rtd->host = malloc(text_buffer_size);
53 sscanf(arg, "%s", rtd->host);
54 sscanf(arg+strlen(rtd->host), "%u", &(rtd->port));
56 rtd->port = atoi(rtd->host);
57 strcpy(rtd->host,"localhost");
59 if(rtd->port < 1 || rtd->port > 65535)
60 CRIT_ERR(obj, free_at_crash, "read_tcp: Needs \"(host) port\" as argument(s)");
62 rtd->port = htons(rtd->port);
63 obj->data.opaque = rtd;
66 void print_read_tcp(struct text_object *obj, char *p, int p_max_size)
71 struct read_tcp_data *rtd = obj->data.opaque;
72 struct addrinfo hints;
73 struct addrinfo* airesult, *rp;
79 memset(&hints, 0, sizeof(struct addrinfo));
80 hints.ai_family = AF_UNSPEC;
81 hints.ai_socktype = SOCK_STREAM;
83 hints.ai_protocol = 0;
84 snprintf(portbuf, 8, "%d", rtd->port);
85 if (getaddrinfo(rtd->host, portbuf, &hints, &airesult)) {
86 NORM_ERR("read_tcp: Problem with resolving the hostname");
89 for (rp = airesult; rp != NULL; rp = rp->ai_next) {
90 sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
94 if (connect(sock, rp->ai_addr, rp->ai_addrlen) != -1) {
99 freeaddrinfo(airesult);
101 NORM_ERR("read_tcp: Couldn't create a connection");
105 FD_SET(sock, &readfds);
108 if(select(sock + 1, &readfds, NULL, NULL, &tv) > 0){
109 received = recv(sock, p, p_max_size, 0);
115 void free_read_tcp(struct text_object *obj)
117 struct read_tcp_data *rtd = obj->data.opaque;
124 free(obj->data.opaque);
125 obj->data.opaque = NULL;