telldus/telldus-core/service/SettingsConfuse.cpp

451 lines
13 KiB
C++

//
// Copyright (C) 2012 Telldus Technologies AB. All rights reserved.
//
// Copyright: See COPYING file that comes with this distribution
//
//
#include <confuse.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <string>
#include "service/Settings.h"
#include "service/config.h"
#include "client/telldus-core.h"
#include "common/Strings.h"
#include "service/Log.h"
class Settings::PrivateData {
public:
cfg_t *cfg;
cfg_t *var_cfg;
};
bool readConfig(cfg_t **cfg);
bool readVarConfig(cfg_t **cfg);
const char* CONFIG_FILE = CONFIG_PATH "/tellstick.conf";
const char* VAR_CONFIG_FILE = VAR_CONFIG_PATH "/telldus-core.conf";
/*
* Constructor
*/
Settings::Settings(void) {
TelldusCore::MutexLocker locker(&mutex);
d = new PrivateData;
readConfig(&d->cfg);
readVarConfig(&d->var_cfg);
}
/*
* Destructor
*/
Settings::~Settings(void) {
TelldusCore::MutexLocker locker(&mutex);
if (d->cfg > 0) {
cfg_free(d->cfg);
}
if (d->var_cfg > 0) {
cfg_free(d->var_cfg);
}
delete d;
}
/*
* Return a setting
*/
std::wstring Settings::getSetting(const std::wstring &strName) const {
TelldusCore::MutexLocker locker(&mutex);
if (d->cfg > 0) {
std::string setting(cfg_getstr(d->cfg, TelldusCore::wideToString(strName).c_str()));
return TelldusCore::charToWstring(setting.c_str());
}
return L"";
}
/*
* Return the number of stored devices
*/
int Settings::getNumberOfNodes(Node node) const {
TelldusCore::MutexLocker locker(&mutex);
if (d->cfg > 0) {
if (node == Device) {
return cfg_size(d->cfg, "device");
} else if (node == Controller) {
return cfg_size(d->cfg, "controller");
}
}
return 0;
}
int Settings::getNodeId(Node type, int intDeviceIndex) const {
if (intDeviceIndex >= getNumberOfNodes(type)) { // Out of bounds
return -1;
}
TelldusCore::MutexLocker locker(&mutex);
cfg_t *cfg_node;
if (type == Device) {
cfg_node = cfg_getnsec(d->cfg, "device", intDeviceIndex);
} else if (type == Controller) {
cfg_node = cfg_getnsec(d->cfg, "controller", intDeviceIndex);
}
int id = cfg_getint(cfg_node, "id");
return id;
}
/*
* Add a new node
*/
int Settings::addNode(Node type) {
TelldusCore::MutexLocker locker(&mutex);
int intNodeId = getNextNodeId(type);
FILE *fp = fopen(CONFIG_FILE, "we"); // e for setting O_CLOEXEC on the file handle
if (!fp) {
return TELLSTICK_ERROR_PERMISSION_DENIED;
}
cfg_print(d->cfg, fp); // Print the config-file
if (type == Device) {
fprintf(fp, "device {\n id=%d\n}\n", intNodeId); // Print the new device
} else if (type == Controller) {
fprintf(fp, "controller {\n id=%d\n}\n", intNodeId); // Print the new controller
}
fclose(fp);
// Re-read config-file
cfg_free(d->cfg);
readConfig(&d->cfg);
return intNodeId;
}
/*
* Get next available node id
*/
int Settings::getNextNodeId(Node type) const {
// Private, no locks needed
int intNodeId = 0;
cfg_t *cfg_node;
std::string strType;
if (type == Device) {
strType = "device";
} else if (type == Controller) {
strType = "controller";
}
for (int i = 0; i < cfg_size(d->cfg, strType.c_str()); ++i) {
cfg_node = cfg_getnsec(d->cfg, strType.c_str(), i);
if (cfg_getint(cfg_node, "id") >= intNodeId) {
intNodeId = cfg_getint(cfg_node, "id");
}
}
intNodeId++;
return intNodeId;
}
/*
* Remove a device
*/
int Settings::removeNode(Node type, int intNodeId) {
TelldusCore::MutexLocker locker(&mutex);
FILE *fp = fopen(CONFIG_FILE, "we"); // e for setting O_CLOEXEC on the file handle
if (!fp) {
return TELLSTICK_ERROR_PERMISSION_DENIED;
}
std::string strType = getNodeString(type);
// Print all opts
for(int i = 0; d->cfg->opts[i].name; i++) {
// Check if it isn't a device section
if (strcmp(d->cfg->opts[i].name, strType.c_str()) != 0) {
cfg_opt_print(&d->cfg->opts[i], fp);
} else {
// Print all sections except the one to remove
cfg_t *cfg_node;
for (int i = 0; i < cfg_size(d->cfg, strType.c_str()); ++i) {
cfg_node = cfg_getnsec(d->cfg, strType.c_str(), i);
if (cfg_getint(cfg_node, "id") != intNodeId) { // This isn't the one to skip
fprintf(fp, "%s {\n", strType.c_str());
cfg_print_indent(cfg_node, fp, 1);
fprintf(fp, "}\n");
}
}
}
}
fclose(fp);
// Re-read config-file
cfg_free(d->cfg);
readConfig(&d->cfg);
return TELLSTICK_SUCCESS;
}
bool Settings::setDeviceState( int intDeviceId, int intDeviceState, const std::wstring &strDeviceStateValue ) {
TelldusCore::MutexLocker locker(&mutex);
if (d->var_cfg == 0) {
return false;
}
cfg_t *cfg_device;
for (int i = 0; i < cfg_size(d->var_cfg, "device"); ++i) {
cfg_device = cfg_getnsec(d->var_cfg, "device", i);
int deviceId = atoi(cfg_title(cfg_device));
if (deviceId == intDeviceId) {
cfg_setint(cfg_device, "state", intDeviceState);
cfg_setstr(cfg_device, "stateValue", TelldusCore::wideToString(strDeviceStateValue).c_str());
FILE *fp = fopen(VAR_CONFIG_FILE, "we"); // e for setting O_CLOEXEC on the file handle
if(fp == 0) {
return false;
}
cfg_print(d->var_cfg, fp);
fclose(fp);
return true;
}
}
// The device is not found in the file, we must create it manualy...
FILE *fp = fopen(VAR_CONFIG_FILE, "we"); // e for setting O_CLOEXEC on the file handle
if(!fp) {
fprintf(stderr, "Failed to write state to %s: %s\n",
VAR_CONFIG_FILE, strerror(errno));
return false;
}
cfg_print(d->var_cfg, fp); // Print the config-file
fprintf(fp, "device %d {\n}\n", intDeviceId); // Print the new device
fclose(fp);
// Re-read config-file
cfg_free(d->var_cfg);
readVarConfig(&d->var_cfg);
return false;
}
int Settings::getDeviceState( int intDeviceId ) const {
TelldusCore::MutexLocker locker(&mutex);
if (d->var_cfg == 0) {
return false;
}
cfg_t *cfg_device;
for (int i = 0; i < cfg_size(d->var_cfg, "device"); ++i) {
cfg_device = cfg_getnsec(d->var_cfg, "device", i);
int deviceId = atoi(cfg_title(cfg_device));
if (deviceId == intDeviceId) {
return cfg_getint(cfg_device, "state");
}
}
return TELLSTICK_TURNOFF;
}
std::wstring Settings::getDeviceStateValue( int intDeviceId ) const {
TelldusCore::MutexLocker locker(&mutex);
if (d->var_cfg == 0) {
return L"";
}
cfg_t *cfg_device;
for (int i = 0; i < cfg_size(d->var_cfg, "device"); ++i) {
cfg_device = cfg_getnsec(d->var_cfg, "device", i);
int deviceId = atoi(cfg_title(cfg_device));
if (deviceId == intDeviceId) {
std::string value(cfg_getstr(cfg_device, "stateValue"));
return TelldusCore::charToWstring(value.c_str());
}
}
return L"";
}
std::wstring Settings::getStringSetting(Node type, int intNodeId, const std::wstring &name, bool parameter) const {
// already locked
if (d->cfg == 0) {
return L"";
}
std::string strType = getNodeString(type);
cfg_t *cfg_device;
for (int i = 0; i < cfg_size(d->cfg, strType.c_str()); ++i) {
cfg_device = cfg_getnsec(d->cfg, strType.c_str(), i);
if (cfg_getint(cfg_device, "id") == intNodeId) {
if (parameter) {
cfg_device = cfg_getsec(cfg_device, "parameters");
}
std::wstring setting;
char *cSetting = cfg_getstr(cfg_device, TelldusCore::wideToString(name).c_str());
if (cSetting) {
setting = TelldusCore::charToWstring(cSetting);
}
return setting;
}
}
return L"";
}
int Settings::setStringSetting(Node type, int intDeviceId, const std::wstring &name, const std::wstring &value, bool parameter) {
// already locked
if (d->cfg == 0) {
return TELLSTICK_ERROR_PERMISSION_DENIED;
}
std::string strType = getNodeString(type);
cfg_t *cfg_device;
for (int i = 0; i < cfg_size(d->cfg, strType.c_str()); ++i) {
cfg_device = cfg_getnsec(d->cfg, strType.c_str(), i);
if (cfg_getint(cfg_device, "id") == intDeviceId) {
std::string newValue = TelldusCore::wideToString(value);
cfg_t *p = cfg_device;
if (parameter) {
p = cfg_getsec(cfg_device, "parameters");
}
cfg_opt_t *opt = cfg_getopt(p, TelldusCore::wideToString(name).c_str());
if (!opt) {
return TELLSTICK_ERROR_CONFIG_SYNTAX;
}
cfg_setstr(p, TelldusCore::wideToString(name).c_str(), newValue.c_str());
FILE *fp = fopen(CONFIG_FILE, "we"); // e for setting O_CLOEXEC on the file handle
if (!fp) {
return TELLSTICK_ERROR_PERMISSION_DENIED;
}
cfg_print(d->cfg, fp);
fclose(fp);
return TELLSTICK_SUCCESS;
}
}
return TELLSTICK_ERROR_DEVICE_NOT_FOUND;
}
int Settings::getIntSetting(Node type, int intDeviceId, const std::wstring &name, bool parameter) const {
// already locked
if (d->cfg == 0) {
return 0;
}
std::string strType = getNodeString(type);
cfg_t *cfg_node;
for(int i = 0; i < cfg_size(d->cfg, strType.c_str()); ++i) {
cfg_node = cfg_getnsec(d->cfg, strType.c_str(), i);
if (cfg_getint(cfg_node, "id") == intDeviceId) {
if (parameter) {
cfg_node = cfg_getsec(cfg_node, "parameters");
}
return cfg_getint(cfg_node, TelldusCore::wideToString(name).c_str());
}
}
return 0;
}
int Settings::setIntSetting(Node type, int intDeviceId, const std::wstring &name, int value, bool parameter) {
// already locked
if (d->cfg == 0) {
return TELLSTICK_ERROR_PERMISSION_DENIED;
}
std::string strType = getNodeString(type);
cfg_t *cfg_device;
for (int i = 0; i < cfg_size(d->cfg, strType.c_str()); ++i) {
cfg_device = cfg_getnsec(d->cfg, strType.c_str(), i);
if (cfg_getint(cfg_device, "id") == intDeviceId) {
if (parameter) {
cfg_t *cfg_parameters = cfg_getsec(cfg_device, "parameters");
cfg_setint(cfg_parameters, TelldusCore::wideToString(name).c_str(), value);
} else {
cfg_setint(cfg_device, TelldusCore::wideToString(name).c_str(), value);
}
FILE *fp = fopen(CONFIG_FILE, "we"); // e for setting O_CLOEXEC on the file handle
if (!fp) {
return TELLSTICK_ERROR_PERMISSION_DENIED;
}
cfg_print(d->cfg, fp);
fclose(fp);
return TELLSTICK_SUCCESS;
}
}
return TELLSTICK_ERROR_DEVICE_NOT_FOUND;
}
bool readConfig(cfg_t **cfg) {
// All the const_cast keywords is to remove the compiler warnings generated by the C++-compiler.
cfg_opt_t controller_opts[] = {
CFG_INT(const_cast<char *>("id"), -1, CFGF_NONE),
CFG_STR(const_cast<char *>("name"), const_cast<char *>(""), CFGF_NONE),
CFG_INT(const_cast<char *>("type"), 0, CFGF_NONE),
CFG_STR(const_cast<char *>("serial"), const_cast<char *>(""), CFGF_NONE),
CFG_END()
};
cfg_opt_t device_parameter_opts[] = {
// Groups
CFG_STR(const_cast<char *>("devices"), 0, CFGF_NONE),
CFG_STR(const_cast<char *>("house"), 0, CFGF_NONE),
CFG_STR(const_cast<char *>("unit"), 0, CFGF_NONE),
CFG_STR(const_cast<char *>("code"), 0, CFGF_NONE),
CFG_STR(const_cast<char *>("system"), 0, CFGF_NONE),
CFG_STR(const_cast<char *>("units"), 0, CFGF_NONE),
CFG_STR(const_cast<char *>("fade"), 0, CFGF_NONE),
CFG_END()
};
cfg_opt_t device_opts[] = {
CFG_INT(const_cast<char *>("id"), -1, CFGF_NONE),
CFG_STR(const_cast<char *>("name"), const_cast<char *>("Unnamed"), CFGF_NONE),
CFG_INT(const_cast<char *>("controller"), 0, CFGF_NONE),
CFG_STR(const_cast<char *>("protocol"), const_cast<char *>("arctech"), CFGF_NONE),
CFG_STR(const_cast<char *>("model"), const_cast<char *>(""), CFGF_NONE),
CFG_SEC(const_cast<char *>("parameters"), device_parameter_opts, CFGF_NONE),
CFG_END()
};
cfg_opt_t opts[] = {
CFG_STR(const_cast<char *>("user"), const_cast<char *>("nobody"), CFGF_NONE),
CFG_STR(const_cast<char *>("group"), const_cast<char *>("plugdev"), CFGF_NONE),
CFG_STR(const_cast<char *>("deviceNode"), const_cast<char *>("/dev/tellstick"), CFGF_NONE),
CFG_STR(const_cast<char *>("ignoreControllerConfirmation"), const_cast<char *>("false"), CFGF_NONE),
CFG_SEC(const_cast<char *>("device"), device_opts, CFGF_MULTI),
CFG_SEC(const_cast<char *>("controller"), controller_opts, CFGF_MULTI),
CFG_END()
};
FILE *fp = fopen(CONFIG_FILE, "re"); // e for setting O_CLOEXEC on the file handle
if (!fp) {
Log::warning("Unable to open config file, %s", CONFIG_FILE);
return false;
}
(*cfg) = cfg_init(opts, CFGF_NOCASE);
if (cfg_parse_fp((*cfg), fp) == CFG_PARSE_ERROR) {
(*cfg) = 0;
fclose(fp);
Log::warning("Unable to parse config file, %s", CONFIG_FILE);
return false;
}
fclose(fp);
return true;
}
bool readVarConfig(cfg_t **cfg) {
cfg_opt_t device_opts[] = {
CFG_INT(const_cast<char *>("state"), 0, CFGF_NONE),
CFG_STR(const_cast<char *>("stateValue"), const_cast<char *>(""), CFGF_NONE),
CFG_END()
};
cfg_opt_t opts[] = {
CFG_SEC(const_cast<char *>("device"), device_opts, CFGF_MULTI | CFGF_TITLE),
CFG_END()
};
FILE *fp = fopen(VAR_CONFIG_FILE, "re"); // e for setting O_CLOEXEC on the file handle
if (!fp) {
Log::warning("Unable to open var config file, %s", VAR_CONFIG_FILE);
return false;
}
(*cfg) = cfg_init(opts, CFGF_NOCASE);
if (cfg_parse_fp((*cfg), fp) == CFG_PARSE_ERROR) {
(*cfg) = 0;
fclose(fp);
Log::warning("Unable to parse var config file, %s", VAR_CONFIG_FILE);
return false;
}
fclose(fp);
return true;
}