JSONEnumService::JSONEnumService(std::string configuration)
{
// Check whether the file exists.
struct stat s;
if ((stat(configuration.c_str(), &s) != 0) &&
(errno == ENOENT))
{
TRC_STATUS("No ENUM configuration (file %s does not exist)",
configuration.c_str());
CL_SPROUT_ENUM_FILE_MISSING.log(configuration.c_str());
return;
}
TRC_STATUS("Loading ENUM configuration from %s", configuration.c_str());
// Read from the file
std::ifstream fs(configuration.c_str());
std::string enum_str((std::istreambuf_iterator<char>(fs)),
std::istreambuf_iterator<char>());
if (enum_str == "")
{
// LCOV_EXCL_START
TRC_ERROR("Failed to read ENUM configuration data from %s",
configuration.c_str());
CL_SPROUT_ENUM_FILE_EMPTY.log(configuration.c_str());
return;
// LCOV_EXCL_STOP
}
// Now parse the document
rapidjson::Document doc;
doc.Parse<0>(enum_str.c_str());
if (doc.HasParseError())
{
TRC_ERROR("Failed to read ENUM configuration data: %s\nError: %s",
enum_str.c_str(),
rapidjson::GetParseError_En(doc.GetParseError()));
CL_SPROUT_ENUM_FILE_INVALID.log(configuration.c_str());
return;
}
try
{
JSON_ASSERT_CONTAINS(doc, "number_blocks");
JSON_ASSERT_ARRAY(doc["number_blocks"]);
const rapidjson::Value& nb_arr = doc["number_blocks"];
for (rapidjson::Value::ConstValueIterator nb_it = nb_arr.Begin();
nb_it != nb_arr.End();
++nb_it)
{
try
{
std::string prefix;
JSON_GET_STRING_MEMBER(*nb_it, "prefix", prefix);
std::string regex;
JSON_GET_STRING_MEMBER(*nb_it, "regex", regex);
// Entry is well-formed, so add it.
TRC_DEBUG("Found valid number prefix block %s", prefix.c_str());
NumberPrefix *pfix = new NumberPrefix;
pfix->prefix = prefix;
if (parse_regex_replace(regex, pfix->match, pfix->replace))
{
_number_prefixes.push_back(pfix);
TRC_STATUS(" Adding number prefix %s, regex=%s",
pfix->prefix.c_str(), regex.c_str());
}
else
{
TRC_WARNING("Badly formed regular expression in ENUM number block %s",
regex.c_str());
delete pfix;
}
}
catch (JsonFormatError err)
{
// Badly formed number block.
TRC_WARNING("Badly formed ENUM number block (hit error at %s:%d)",
err._file, err._line);
CL_SPROUT_ENUM_FILE_INVALID.log(configuration.c_str());
}
}
}
catch (JsonFormatError err)
{
TRC_ERROR("Badly formed ENUM configuration data - missing number_blocks object");
CL_SPROUT_ENUM_FILE_INVALID.log(configuration.c_str());
}
}
void JSONEnumService::update_enum()
{
// Check whether the file exists.
struct stat s;
if ((stat(_configuration.c_str(), &s) != 0) &&
(errno == ENOENT))
{
TRC_STATUS("No ENUM configuration (file %s does not exist)",
_configuration.c_str());
CL_SPROUT_ENUM_FILE_MISSING.log(_configuration.c_str());
return;
}
TRC_STATUS("Loading ENUM configuration from %s", _configuration.c_str());
// Read from the file
std::ifstream fs(_configuration.c_str());
std::string enum_str((std::istreambuf_iterator<char>(fs)),
std::istreambuf_iterator<char>());
if (enum_str == "")
{
// LCOV_EXCL_START
TRC_ERROR("Failed to read ENUM configuration data from %s",
_configuration.c_str());
CL_SPROUT_ENUM_FILE_EMPTY.log(_configuration.c_str());
return;
// LCOV_EXCL_STOP
}
// Now parse the document
rapidjson::Document doc;
doc.Parse<0>(enum_str.c_str());
if (doc.HasParseError())
{
TRC_ERROR("Failed to read ENUM configuration data: %s\nError: %s",
enum_str.c_str(),
rapidjson::GetParseError_En(doc.GetParseError()));
CL_SPROUT_ENUM_FILE_INVALID.log(_configuration.c_str());
return;
}
try
{
std::vector<NumberPrefix> new_number_prefixes;
std::map<std::string, NumberPrefix> new_prefix_regex_map;
JSON_ASSERT_CONTAINS(doc, "number_blocks");
JSON_ASSERT_ARRAY(doc["number_blocks"]);
const rapidjson::Value& nb_arr = doc["number_blocks"];
for (rapidjson::Value::ConstValueIterator nb_it = nb_arr.Begin();
nb_it != nb_arr.End();
++nb_it)
{
try
{
std::string prefix;
JSON_GET_STRING_MEMBER(*nb_it, "prefix", prefix);
std::string regex;
JSON_GET_STRING_MEMBER(*nb_it, "regex", regex);
// Entry is well-formed, so strip off visual separators and add it.
TRC_DEBUG("Found valid number prefix block %s", prefix.c_str());
NumberPrefix pfix;
prefix = PJUtils::remove_visual_separators(prefix);
pfix.prefix = prefix;
if (parse_regex_replace(regex, pfix.match, pfix.replace))
{
// Create an array in order of entries in json file, and a map
// (automatically sorted in order of key length) so we can later
// match numbers to the most specific prefixes
new_number_prefixes.push_back(pfix);
new_prefix_regex_map.insert(std::make_pair(prefix, pfix));
TRC_STATUS(" Adding number prefix %s, regex=%s",
pfix.prefix.c_str(), regex.c_str());
}
else
{
TRC_WARNING("Badly formed regular expression in ENUM number block %s",
regex.c_str());
}
}
catch (JsonFormatError err)
{
// Badly formed number block.
TRC_WARNING("Badly formed ENUM number block (hit error at %s:%d)",
err._file, err._line);
CL_SPROUT_ENUM_FILE_INVALID.log(_configuration.c_str());
}
}
// Take a write lock on the mutex in RAII style
boost::lock_guard<boost::shared_mutex> write_lock(_number_prefixes_rw_lock);
_number_prefixes = new_number_prefixes;
_prefix_regex_map = new_prefix_regex_map;
}
catch (JsonFormatError err)
{
TRC_ERROR("Badly formed ENUM configuration data - missing number_blocks object");
CL_SPROUT_ENUM_FILE_INVALID.log(_configuration.c_str());
}
}
