std::string
translation_c::get_default_ui_locale() {
std::string locale;
#if defined(HAVE_LIBINTL_H)
# if defined(SYS_WINDOWS)
std::string env_var = get_environment_variable("LC_MESSAGES");
if (!env_var.empty() && (-1 != look_up_translation(env_var)))
return env_var;
env_var = get_environment_variable("LANG");
if (!env_var.empty() && (-1 != look_up_translation(env_var)))
return env_var;
char *data;
int len = GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SENGLANGUAGE, NULL, 0);
if (0 < len) {
data = (char *)safemalloc(len);
memset(data, 0, len);
if (0 != GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SENGLANGUAGE, data, len))
locale = data;
safefree(data);
int idx = translation_c::look_up_translation(locale);
if (-1 != idx)
locale = ms_available_translations[idx].get_locale();
}
# else // SYS_WINDOWS
char *data = setlocale(LC_MESSAGES, NULL);
if (NULL != data) {
std::string previous_locale = data;
if (debugging_requested("locale"))
mxinfo(boost::format("[get_default_ui_locale previous %1%]\n") % previous_locale);
setlocale(LC_MESSAGES, "");
data = setlocale(LC_MESSAGES, NULL);
if (NULL != data)
locale = data;
if (debugging_requested("locale"))
mxinfo(boost::format("[get_default_ui_locale new %1%]\n") % locale);
setlocale(LC_MESSAGES, previous_locale.c_str());
} else if (debugging_requested("locale"))
mxinfo(boost::format("[get_default_ui_locale get previous failed]\n"));
# endif // SYS_WINDOWS
#endif // HAVE_LIBINTL_H
return locale;
}
//@todo throw meaningful exceptions, handle exceptions
std::string parse_cgi::get_url_encoded_string_via_post()
{
try
{
//no need to ask twice...
size_t content_length = std::atoi(get_environment_variable("CONTENT_LENGTH").c_str());
//we need to store our c_str because the std::string constructor is bad
//we're going to abuse unique_ptr a little here...
std::unique_ptr<char> c_str(new char[content_length+1]);
//read content_length characters from stdin
std::cin.read(&(*c_str), content_length);
//make it a c_str
(&(*c_str))[content_length] = '\0';
//return our newly found data
return std::string(&(*c_str));
}
catch(const std::exception &e)
{
//somebody else's problem...
throw;
}
}
//@todo throw meaningful exceptions, handle exceptions
std::string parse_cgi::get_url_encoded_string()
{
try
{
//how did we get the data?
std::string request_method = get_environment_variable("REQUEST_METHOD");
//was the data sent to us via GET?
if(request_method == "GET")
{
return get_url_encoded_string_via_get();
}
//was the data sent to us via POST?
else if(request_method == "POST")
{
return get_url_encoded_string_via_post();
}
//in case we decided to support HEAD
else if(request_method == "HEAD")
{
return get_url_encoded_string_via_head();
}
//we tried :(
else
{
throw std::runtime_error("REQUEST_METHOD has an invalid value of "+request_method);
}
}
catch(const std::exception &e)
{
//somebody else's problem...
throw;
}
}
PathString get_user_application_directory(const char* application_data_path)
{
PathString result = get_environment_variable("LOCALAPPDATA");
result.append(PATH_SEPARATOR_STRING);
result.append(application_data_path);
result.normalize(PATH_SEPARATOR);
return result;
}
//@todo throw meaningful exceptions, handle exceptions
std::string parse_cgi::get_url_encoded_string_via_get()
{
try
{
//our url-encoded data is in the environment variable QUERY_STRING
return get_environment_variable("QUERY_STRING");
}
catch(const std::exception &e)
{
//somebody else's problem...
throw;
}
}
bool amptest_context_t::get_environment_variable(const std::string& name, bool default_value) const {
std::string val_str = get_environment_variable(name);
if(val_str.empty()) {
return default_value;
} else if(val_str == "1" || val_str == "true" || val_str == "TRUE") {
return true;
} else if(val_str == "0" || val_str == "false" || val_str == "FALSE") {
return false;
}
// Unknown value, throw exception and exit
std::stringstream ss;
ss << "Environment variable " << name << " has invalid bool value '" << val_str << "'. Accepted values: 1,0,true,TRUE,false,FALSE.";
std::string errmsg = ss.str();
throw amptest_exception(errmsg.c_str());
}
static void load_font_from_system(font_asset* font) {
#if NE_PLATFORM_WINDOWS
std::string path = get_environment_variable("WINDIR") + "\\Fonts\\" + font->path;
#else
# error No cross-platform compatible code available.
#endif
if (!file_exists(path)) {
DEBUG(0, NE_WARNING, "Font \"" << path << "\" does not exist.");
return;
}
TTF_Font* TTF = TTF_OpenFont(path.c_str(), font->size);
if (!TTF) {
DEBUG(0, NE_WARNING, "Font \"" << path << "\" failed to load.");
return;
}
TTF_SetFontKerning(TTF, 1);
font->resource_handle = TTF;
}
// expand ~/asfd/wert/sd or ~user/wer/wer/sdf
// out is OS::max_path_length long
// returns NULL if successful; otherwise returns an error string
char* OS::expand_unix_dir(const char* in, char* out) {
static char err[max_path_length + 50];
char* dirName = (char*) "";
if (*in != '~') {
if (strlen(in) >= max_path_length) {
sprintf(err, "'%s' exceeds %d chars in length", in, max_path_length);
return err;
}
strcpy(out, in);
return NULL;
}
// slash is location of slash after user name
const char* slash = strchr(in, '/');
if (slash == NULL)
slash = in + strlen(in);
if (in + 1 == slash) {
// ~/ use HOME
char* p = get_environment_variable("HOME");
if (p)
dirName = p;
}
else if (!expand_user_name(in, slash, dirName)) {
return dirName; // really an error, here
}
if (strlen(dirName) + strlen(slash) >= max_path_length) {
sprintf(err, "'%s%s' exceeds %d characters in length",
dirName, slash, max_path_length);
return err;
}
sprintf(out, "%s%s", dirName, slash);
return NULL;
}
bool amptest_context_t::is_buffer_aliasing_forced() const {
return get_environment_variable("CPPAMP_FORCE_ALIASED_SHADER", false);
}
std::string determineHost()
{
std::string ip_env;
// First, did the user set ROS_HOSTNAME?
if ( get_environment_variable(ip_env, "ROS_HOSTNAME")) {
ROSCPP_LOG_DEBUG( "determineIP: using value of ROS_HOSTNAME:%s:", ip_env.c_str());
return ip_env;
}
// Second, did the user set ROS_IP?
if ( get_environment_variable(ip_env, "ROS_IP")) {
ROSCPP_LOG_DEBUG( "determineIP: using value of ROS_IP:%s:", ip_env.c_str());
return ip_env;
}
// Third, try the hostname
char host[1024];
memset(host,0,sizeof(host));
if(gethostname(host,sizeof(host)-1) != 0)
{
ROS_ERROR("determineIP: gethostname failed");
}
// We don't want localhost to be our ip
else if(strlen(host) && strcmp("localhost", host))
{
return std::string(host);
}
// Fourth, fall back on interface search, which will yield an IP address
#ifdef HAVE_IFADDRS_H
struct ifaddrs *ifa = NULL, *ifp = NULL;
int rc;
if ((rc = getifaddrs(&ifp)) < 0)
{
ROS_FATAL("error in getifaddrs: [%s]", strerror(rc));
ROS_BREAK();
}
char preferred_ip[200] = {0};
for (ifa = ifp; ifa; ifa = ifa->ifa_next)
{
char ip_[200];
socklen_t salen;
if (!ifa->ifa_addr)
continue; // evidently this interface has no ip address
if (ifa->ifa_addr->sa_family == AF_INET)
salen = sizeof(struct sockaddr_in);
else if (ifa->ifa_addr->sa_family == AF_INET6)
salen = sizeof(struct sockaddr_in6);
else
continue;
if (getnameinfo(ifa->ifa_addr, salen, ip_, sizeof(ip_), NULL, 0,
NI_NUMERICHOST) < 0)
{
ROSCPP_LOG_DEBUG( "getnameinfo couldn't get the ip of interface [%s]", ifa->ifa_name);
continue;
}
//ROS_INFO( "ip of interface [%s] is [%s]", ifa->ifa_name, ip);
// prefer non-private IPs over private IPs
if (!strcmp("127.0.0.1", ip_) || strchr(ip_,':'))
continue; // ignore loopback unless we have no other choice
if (ifa->ifa_addr->sa_family == AF_INET6 && !preferred_ip[0])
strcpy(preferred_ip, ip_);
else if (isPrivateIP(ip_) && !preferred_ip[0])
strcpy(preferred_ip, ip_);
else if (!isPrivateIP(ip_) &&
(isPrivateIP(preferred_ip) || !preferred_ip[0]))
strcpy(preferred_ip, ip_);
}
freeifaddrs(ifp);
if (!preferred_ip[0])
{
ROS_ERROR( "Couldn't find a preferred IP via the getifaddrs() call; I'm assuming that your IP "
"address is 127.0.0.1. This should work for local processes, "
"but will almost certainly not work if you have remote processes."
"Report to the ROS development team to seek a fix.");
return std::string("127.0.0.1");
}
ROSCPP_LOG_DEBUG( "preferred IP is guessed to be %s", preferred_ip);
return std::string(preferred_ip);
#else
// @todo Fix IP determination in the case where getifaddrs() isn't
// available.
ROS_ERROR( "You don't have the getifaddrs() call; I'm assuming that your IP "
"address is 127.0.0.1. This should work for local processes, "
"but will almost certainly not work if you have remote processes."
"Report to the ROS development team to seek a fix.");
return std::string("127.0.0.1");
#endif
}
void init(const M_string& remappings)
{
std::string log_file_name;
M_string::const_iterator it = remappings.find("__log");
if (it != remappings.end())
{
log_file_name = it->second;
}
{
// Log filename can be specified on the command line through __log
// If it's been set, don't create our own name
if (log_file_name.empty())
{
// Setup the logfile appender
// Can't do this in rosconsole because the node name is not known
pid_t pid = getpid();
std::string ros_log_env;
if ( get_environment_variable(ros_log_env, "ROS_LOG_DIR"))
{
log_file_name = ros_log_env + std::string("/");
}
else
{
if ( get_environment_variable(ros_log_env, "ROS_HOME"))
{
log_file_name = ros_log_env + std::string("/log/");
}
else
{
// Not cross-platform?
if( get_environment_variable(ros_log_env, "HOME") )
{
std::string dotros = ros_log_env + std::string("/.ros/");
fs::create_directory(dotros);
log_file_name = dotros + "log/";
fs::create_directory(log_file_name);
}
}
}
// sanitize the node name and tack it to the filename
for (size_t i = 1; i < this_node::getName().length(); i++)
{
if (!isalnum(this_node::getName()[i]))
{
log_file_name += '_';
}
else
{
log_file_name += this_node::getName()[i];
}
}
char pid_str[100];
snprintf(pid_str, sizeof(pid_str), "%d", pid);
log_file_name += std::string("_") + std::string(pid_str) + std::string(".log");
}
log_file_name = fs::system_complete(log_file_name).string();
g_log_directory = fs::path(log_file_name).parent_path().string();
}
}
PathString get_user_temp_directory()
{
PathString result = get_environment_variable("TEMP");
return result;
}
PathString get_user_directory()
{
return get_environment_variable("HOMEPATH");
}