/*
- Copyright (C) 2010-2011 jeanfi@gmail.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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program 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., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA
-*/
+ * Copyright (C) 2010-2014 jeanfi@gmail.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 the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#define _LARGEFILE_SOURCE 1
+#include "config.h"
+
#include <locale.h>
#include <libintl.h>
#define _(str) gettext(str)
-#include "config.h"
-
+#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_GTOP
#include "sysinfo.h"
+#include <pgtop2.h>
#endif
-#ifdef HAVE_LUA
-#include "server_lua.h"
-#endif
-
+#include <hdd.h>
+#include <lmsensor.h>
+#include <plog.h>
#include "psensor_json.h"
-#include "plib/url.h"
-#include "plib/plib_io.h"
+#include <pmutex.h>
+#include "url.h"
#include "server.h"
+#include "slog.h"
+
+static const char *DEFAULT_LOG_FILE = "/var/log/psensor-server.log";
+
+#define HTML_STOP_REQUESTED \
+(_("<html><body><p>Server stop requested</p></body></html>"))
static const char *program_name;
-#define DEFAULT_PORT 3131
+static const int DEFAULT_PORT = 3131;
-#define PAGE_NOT_FOUND (_("<html><body><p>\
-Page not found - Go to <a href='/'>Main page</a>\
-</p></body>"))
+#define PAGE_NOT_FOUND (_("<html><body><p>"\
+"Page not found - Go to <a href='/'>Main page</a></p></body>"))
static struct option long_options[] = {
- {"version", no_argument, 0, 'v'},
- {"help", no_argument, 0, 'h'},
- {"port", required_argument, 0, 'p'},
- {"wdir", required_argument, 0, 'w'},
- {"debug", no_argument, 0, 'd'},
- {0, 0, 0, 0}
+ {"version", no_argument, NULL, 'v'},
+ {"help", no_argument, NULL, 'h'},
+ {"port", required_argument, NULL, 'p'},
+ {"wdir", required_argument, NULL, 'w'},
+ {"debug", required_argument, NULL, 'd'},
+ {"log-file", required_argument, NULL, 'l'},
+ {"sensor-log-file", required_argument, NULL, 0},
+ {"sensor-log-interval", required_argument, NULL, 0},
+ {NULL, 0, NULL, 0}
};
static struct server_data server_data;
-static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-
-static int debug;
+static pthread_mutex_t mutex;
static int server_stop_requested;
-void print_version()
+static void print_version(void)
{
printf("psensor-server %s\n", VERSION);
- printf(_("Copyright (C) %s jeanfi@gmail.com\n\
-License GPLv2: GNU GPL version 2 or later \
-<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>\n\
-This is free software: you are free to change and redistribute it.\n\
-There is NO WARRANTY, to the extent permitted by law.\n"),
- "2010-2011");
+ printf(_("Copyright (C) %s jeanfi@gmail.com\n"
+ "License GPLv2: GNU GPL version 2 or later "
+ "<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>\n"
+ "This is free software: you are free to change and redistribute it.\n"
+ "There is NO WARRANTY, to the extent permitted by law.\n"),
+ "2010-2012");
}
-void print_help()
+static void print_help(void)
{
printf(_("Usage: %s [OPTION]...\n"), program_name);
- puts(_("psensor-server is an HTTP server "
- "for monitoring hardware sensors remotely."));
+ puts(_("psensor-server is an HTTP server for monitoring hardware "
+ "sensors remotely."));
puts("");
puts("Options:");
- puts(_("\
- -h, --help display this help and exit\n\
- -v, --version display version information and exit"));
+ puts(_(" -h, --help display this help and exit\n"
+ " -v, --version display version information and exit"));
puts("");
-
- puts(_("\
- -d,--debug run in debug mode\n\
- -p,--port=PORT webserver port\n\
- -w,--wdir=DIR directory containing webserver pages"));
+ puts(_(" -p,--port=PORT webserver port\n"
+ " -w,--wdir=DIR directory containing webserver pages"));
puts("");
+ puts(_(" -d, --debug=LEVEL "
+ "set the debug level, integer between 0 and 3"));
+ puts(_(" -l, --log-file=PATH set the log file to PATH"));
+ puts(_(" --sensor-log-file=PATH set the sensor log file to PATH"));
+ puts(_(" --sensor-log-interval=S "
+ "set the sensor log interval to S (seconds)"));
+ puts("");
printf(_("Report bugs to: %s\n"), PACKAGE_BUGREPORT);
puts("");
printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
}
/*
- Returns '1' if the path denotates a Lua file, otherwise returns 0.
+ * Returns the file path corresponding to a given URL
*/
-int is_path_lua(const char *path)
-{
- char *dot = rindex(path, '.');
-
- if (dot && !strcasecmp(dot, ".lua"))
- return 1;
-
- return 0;
-}
-
-/*
- Returns the file path corresponding to a given URL
-*/
-char *get_path(const char *url, const char *www_dir)
+static char *get_path(const char *url, const char *www_dir)
{
const char *p;
char *res;
if (!strlen(url) || !strcmp(url, ".") || !strcmp(url, "/"))
- p = "/index.lua";
+ p = "/index.html";
else
p = url;
return res;
}
+#if MHD_VERSION >= 0x00090200
+static ssize_t
+file_reader(void *cls, uint64_t pos, char *buf, size_t max)
+#else
static int
file_reader(void *cls, uint64_t pos, char *buf, int max)
+#endif
{
FILE *file = cls;
- fseek(file, pos, SEEK_SET);
+ fseeko(file, pos, SEEK_SET);
return fread(buf, 1, max, file);
}
-struct MHD_Response *
-create_response_api(const char *nurl,
- const char *method,
- unsigned int *rp_code)
+static struct MHD_Response *
+create_response_api(const char *nurl, const char *method, unsigned int *rp_code)
{
struct MHD_Response *resp;
struct psensor *s;
char *page = NULL;
- if (!strcmp(nurl, URL_BASE_API_1_0_SENSORS)) {
-
+ if (!strcmp(nurl, URL_BASE_API_1_1_SENSORS)) {
page = sensors_to_json_string(server_data.sensors);
-
#ifdef HAVE_GTOP
- } else if (!strcmp(nurl, URL_API_1_0_SYSINFO)) {
-
+ } else if (!strcmp(nurl, URL_API_1_1_SYSINFO)) {
page = sysinfo_to_json_string(&server_data.psysinfo);
+ } else if (!strcmp(nurl, URL_API_1_1_CPU_USAGE)) {
+ page = sensor_to_json_string(server_data.cpu_usage);
#endif
- } else if (!strncmp(nurl, URL_BASE_API_1_0_SENSORS,
- strlen(URL_BASE_API_1_0_SENSORS))
- && nurl[strlen(URL_BASE_API_1_0_SENSORS)] == '/') {
+ } else if (!strncmp(nurl, URL_BASE_API_1_1_SENSORS,
+ strlen(URL_BASE_API_1_1_SENSORS))
+ && nurl[strlen(URL_BASE_API_1_1_SENSORS)] == '/') {
- const char *sid = nurl + strlen(URL_BASE_API_1_0_SENSORS) + 1;
+ const char *sid = nurl + strlen(URL_BASE_API_1_1_SENSORS) + 1;
s = psensor_list_get_by_id(server_data.sensors, sid);
if (s)
page = sensor_to_json_string(s);
- } else if (debug && !strcmp(nurl, URL_API_1_0_SERVER_STOP)) {
+ } else if (!strcmp(nurl, URL_API_1_1_SERVER_STOP)) {
server_stop_requested = 1;
- page = strdup(_("<html><body><p>"
- "Server stop requested</p></body></html>"));
+ page = strdup(HTML_STOP_REQUESTED);
}
if (page) {
*rp_code = MHD_HTTP_OK;
- resp = MHD_create_response_from_data(strlen(page), page,
- MHD_YES, MHD_NO);
+ resp = MHD_create_response_from_buffer(strlen(page),
+ page,
+ MHD_RESPMEM_MUST_FREE);
MHD_add_response_header(resp, MHD_HTTP_HEADER_CONTENT_TYPE,
"application/json");
return NULL;
}
-struct MHD_Response *
-create_response_lua(const char *nurl,
- const char *method,
- unsigned int *rp_code,
- const char *fpath)
+static struct MHD_Response *create_response_file(const char *nurl,
+ const char *method,
+ unsigned int *rp_code,
+ const char *fpath)
{
-#ifdef HAVE_LUA
- char *page = lua_to_html_page(&server_data, fpath);
-
- if (page) {
- *rp_code = MHD_HTTP_OK;
-
- return MHD_create_response_from_data
- (strlen(page), page, MHD_YES, MHD_NO);
- }
-#endif
+ struct stat st;
+ int ret;
+ FILE *file;
- return NULL;
-}
+ ret = stat(fpath, &st);
-struct MHD_Response *
-create_response_file(const char *nurl,
- const char *method,
- unsigned int *rp_code,
- const char *fpath)
-{
- if (is_file(fpath)) {
- FILE *file = fopen(fpath, "rb");
+ if (!ret && (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode))) {
+ file = fopen(fpath, "rb");
if (file) {
- struct stat buf;
-
- stat(fpath, &buf);
*rp_code = MHD_HTTP_OK;
- if (!buf.st_size) {
+ if (!st.st_size) {
fclose(file);
- return MHD_create_response_from_data
- (0, NULL, MHD_NO, MHD_NO);
+ return MHD_create_response_from_buffer
+ (0, NULL, 0);
}
return MHD_create_response_from_callback
- (buf.st_size,
+ (st.st_size,
32 * 1024,
&file_reader,
file,
(MHD_ContentReaderFreeCallback)&fclose);
+ } else {
+ log_err("Failed to open: %s.", fpath);
}
}
return NULL;
}
-struct MHD_Response *
+static struct MHD_Response *
create_response(const char *nurl, const char *method, unsigned int *rp_code)
{
+ char *page, *fpath, *rpath;
struct MHD_Response *resp = NULL;
+ int n;
- if (!strncmp(nurl, URL_BASE_API_1_0, strlen(URL_BASE_API_1_0))) {
+ if (!strncmp(nurl, URL_BASE_API_1_1, strlen(URL_BASE_API_1_1))) {
resp = create_response_api(nurl, method, rp_code);
} else {
- char *fpath = get_path(nurl, server_data.www_dir);
-
- if (is_path_lua(fpath))
- resp = create_response_lua
- (nurl, method, rp_code, fpath);
- else
- resp = create_response_file
- (nurl, method, rp_code, fpath);
+ fpath = get_path(nurl, server_data.www_dir);
+
+ rpath = realpath(fpath, NULL);
+ if (rpath) {
+ n = strlen(server_data.www_dir);
+ if (!strncmp(server_data.www_dir, rpath, n))
+ resp = create_response_file(nurl,
+ method,
+ rp_code,
+ fpath);
+ free(rpath);
+ }
free(fpath);
}
- if (resp) {
+ if (resp)
return resp;
- } else {
- char *page = strdup(PAGE_NOT_FOUND);
- *rp_code = MHD_HTTP_NOT_FOUND;
- return MHD_create_response_from_data
- (strlen(page), page, MHD_YES, MHD_NO);
- }
+ page = strdup(PAGE_NOT_FOUND);
+ *rp_code = MHD_HTTP_NOT_FOUND;
+
+ return MHD_create_response_from_buffer(strlen(page),
+ page,
+ MHD_RESPMEM_MUST_FREE);
}
-static int
-cbk_http_request(void *cls,
- struct MHD_Connection *connection,
- const char *url,
- const char *method,
- const char *version,
- const char *upload_data,
- size_t *upload_data_size, void **ptr)
+static int cbk_http_request(void *cls,
+ struct MHD_Connection *connection,
+ const char *url,
+ const char *method,
+ const char *version,
+ const char *upload_data,
+ size_t *upload_data_size,
+ void **ptr)
{
static int dummy;
struct MHD_Response *response;
int ret;
char *nurl;
unsigned int resp_code;
- char *page = NULL;
if (strcmp(method, "GET"))
return MHD_NO;
if (&dummy != *ptr) {
/* The first time only the headers are valid, do not
- respond in the first round... */
+ * respond in the first round...
+ */
*ptr = &dummy;
return MHD_YES;
}
*ptr = NULL; /* clear context pointer */
- if (debug)
- printf(_("HTTP Request: %s\n"), url);
+ log_debug(_("HTTP Request: %s"), url);
nurl = url_normalize(url);
- pthread_mutex_lock(&mutex);
+ pmutex_lock(&mutex);
response = create_response(nurl, method, &resp_code);
- pthread_mutex_unlock(&mutex);
+ pmutex_unlock(&mutex);
ret = MHD_queue_response(connection, resp_code, response);
MHD_destroy_response(response);
int main(int argc, char *argv[])
{
struct MHD_Daemon *d;
- int port = DEFAULT_PORT;
- int optc;
- int cmdok = 1;
+ int port, opti, optc, cmdok, ret, slog_interval;
+ char *log_file, *slog_file;
program_name = argv[0];
textdomain(PACKAGE);
#endif
- server_data.www_dir = DEFAULT_WWW_DIR;
+ server_data.www_dir = NULL;
+#ifdef HAVE_GTOP
server_data.psysinfo.interfaces = NULL;
-
- while ((optc = getopt_long(argc, argv,
- "vhp:w:d", long_options, NULL)) != -1) {
+#endif
+ log_file = NULL;
+ slog_file = NULL;
+ slog_interval = 300;
+ port = DEFAULT_PORT;
+ cmdok = 1;
+
+ while ((optc = getopt_long(argc,
+ argv,
+ "vhp:w:d:l:",
+ long_options,
+ &opti)) != -1) {
switch (optc) {
case 'w':
if (optarg)
- server_data.www_dir = strdup(optarg);
+ server_data.www_dir = realpath(optarg, NULL);
break;
case 'p':
if (optarg)
print_version();
exit(EXIT_SUCCESS);
case 'd':
- debug = 1;
+ log_level = atoi(optarg);
+ log_info(_("Enables debug mode: %d"), log_level);
+ break;
+ case 'l':
+ if (optarg)
+ log_file = strdup(optarg);
+ break;
+ case 0:
+ if (!strcmp(long_options[opti].name, "sensor-log-file"))
+ slog_file = strdup(optarg);
+ else if (!strcmp(long_options[opti].name,
+ "sensor-log-interval"))
+ slog_interval = atoi(optarg);
break;
default:
cmdok = 0;
exit(EXIT_FAILURE);
}
- if (!lmsensor_init()) {
- fprintf(stderr, _("ERROR: failed to init lm-sensors\n"));
- exit(EXIT_FAILURE);
+ if (!server_data.www_dir) {
+ server_data.www_dir = realpath(DEFAULT_WWW_DIR, NULL);
+ if (!server_data.www_dir) {
+ fprintf(stderr,
+ _("Webserver directory does not exist.\n"));
+ exit(EXIT_FAILURE);
+ }
}
- server_data.sensors = get_all_sensors(1);
+ if (!log_file)
+ log_file = strdup(DEFAULT_LOG_FILE);
+
+ pmutex_init(&mutex);
- if (!*server_data.sensors)
- fprintf(stderr, _("ERROR: no sensors detected\n"));
+ log_open(log_file);
+
+ hddtemp_psensor_list_append(&server_data.sensors, 600);
+
+ lmsensor_psensor_list_append(&server_data.sensors, 600);
+
+#ifdef HAVE_GTOP
+ server_data.cpu_usage = create_cpu_usage_sensor(600);
+#endif
+
+ if (!server_data.sensors || !*server_data.sensors)
+ log_err(_("No sensors detected."));
d = MHD_start_daemon(MHD_USE_THREAD_PER_CONNECTION,
port,
NULL, NULL, &cbk_http_request, server_data.sensors,
MHD_OPTION_END);
if (!d) {
- fprintf(stderr, _("ERROR: Fail to create web server\n"));
+ log_err(_("Failed to create Web server."));
exit(EXIT_FAILURE);
}
- printf(_("Web server started on port: %d\n"), port);
- printf(_("WWW directory: %s\n"), server_data.www_dir);
- printf(_("URL: http://localhost:%d\n"), port);
+ log_info(_("Web server started on port: %d"), port);
+ log_info(_("WWW directory: %s"), server_data.www_dir);
+ log_info(_("URL: http://localhost:%d"), port);
+
+ if (slog_file) {
+ if (slog_interval <= 0)
+ slog_interval = 300;
+ ret = slog_activate(slog_file,
+ server_data.sensors,
+ &mutex,
+ slog_interval);
+ if (!ret)
+ log_err(_("Failed to activate logging of sensors."));
+ }
while (!server_stop_requested) {
- pthread_mutex_lock(&mutex);
+ pmutex_lock(&mutex);
#ifdef HAVE_GTOP
sysinfo_update(&server_data.psysinfo);
+ cpu_usage_sensor_update(server_data.cpu_usage);
+#endif
+
+#ifdef HAVE_ATASMART
+ atasmart_psensor_list_update(server_data.sensors);
#endif
- psensor_list_update_measures(server_data.sensors);
- pthread_mutex_unlock(&mutex);
+ hddtemp_psensor_list_update(server_data.sensors);
+
+ lmsensor_psensor_list_update(server_data.sensors);
+
+ psensor_log_measures(server_data.sensors);
+
+ pmutex_unlock(&mutex);
sleep(5);
}
+ slog_close();
+
MHD_stop_daemon(d);
/* sanity cleanup for valgrind */
psensor_list_free(server_data.sensors);
+#ifdef HAVE_GTOP
+ psensor_free(server_data.cpu_usage);
+#endif
free(server_data.www_dir);
- sensors_cleanup();
+ lmsensor_cleanup();
#ifdef HAVE_GTOP
sysinfo_cleanup();
#endif
+ if (log_file != DEFAULT_LOG_FILE)
+ free(log_file);
+
return EXIT_SUCCESS;
}