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#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <errno.h>
#include <chrono>
#include "tcp_layer_factory.hh"
#include "converter.hh"
#include "loggers.hh"
tcp_layer::tcp_layer(const std::string & p_type, const std::string & param) : layer(p_type), SSL_Socket(), PORT(p_type.c_str()), _params(), _client_id{-1}, _time_key("tcp_layer::Handle_Fd_Event_Readable"), _reconnect_on_send{false} {
loggers::get_instance().log(">>> tcp_layer::tcp_layer: %s, %s", to_string().c_str(), param.c_str());
// Setup parameters
params::convert(_params, param);
_params.log();
set_socket_debugging(false);
params::const_iterator it = _params.find(params::debug);
if (it == _params.cend()) {
_params.insert(std::pair<std::string, std::string>(std::string("debug"), "0"));
} else if (it->second.compare("1") == 0) {
set_socket_debugging(true);
}
bool server_mode = false;
it = _params.find(params::server_mode);
if (it != _params.cend()) {
server_mode = (1 == converter::get_instance().string_to_int(it->second));
}
it = _params.find(params::server);
if (it == _params.cend()) {
_params.insert(std::pair<std::string, std::string>(std::string("server"), "127.0.0.1")); // TODO Try using params::server instead of std::string("server")
}
if (!parameter_set(params::server.c_str(), _params[params::server].c_str())) {
loggers::get_instance().warning("tcp_layer::set_parameter: Unprocessed parameter: %s", params::server.c_str());
}
set_ssl_use_ssl(false);
it = _params.find(params::use_ssl);
if (it == _params.cend()) {
_params.insert(std::pair<std::string, std::string>(std::string("use_ssl"), "0"));
} else if (it->second.compare("1") == 0) {
set_ssl_use_ssl(true);
}
it = _params.find(params::port);
if (it == _params.cend()) {
if (_params[params::use_ssl].compare("0") == 0) { // Use standard HTTP port
_params.insert(std::pair<std::string, std::string>(std::string("port"), "80"));
} else { // Use standard HTTPS port
_params.insert(std::pair<std::string, std::string>(std::string("port"), "443"));
}
}
if (!parameter_set(params::port.c_str(), _params[params::port].c_str())) {
loggers::get_instance().warning("tcp_layer::set_parameter: Unprocessed parameter: %s", params::port.c_str());
}
it = _params.find(params::local_port);
if (it == _params.cend()) {
if (_params[params::use_ssl].compare("0") == 0) { // Use standard HTTP local_port
_params.insert(std::pair<std::string, std::string>(std::string("local_port"), "80"));
} else { // Use standard HTTPS local_port
_params.insert(std::pair<std::string, std::string>(std::string("local_port"), "443"));
}
}
if (!parameter_set(params::local_port.c_str(), _params[params::local_port].c_str())) {
loggers::get_instance().warning("tcp_layer::set_parameter: Unprocessed parameter: %s", params::local_port.c_str());
}
parameter_set(use_connection_ASPs_name(), (!server_mode) ? "yes" : "no");
parameter_set(server_backlog_name(), "1024");
loggers::get_instance().log("tcp_layer::tcp_layer: server_mode=%x", server_mode);
set_server_mode(server_mode);
if (server_mode) {
parameter_set("serverPort", _params[params::local_port].c_str());
}
set_ttcn_buffer_usercontrol(false);
set_handle_half_close(true);
map_user();
if (!_reconnect_on_send && !server_mode) {
open_client_connection(_params[params::server].c_str(), _params[params::port].c_str(), NULL, NULL);
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tcp_layer::~tcp_layer() {
loggers::get_instance().log(">>> tcp_layer::~tcp_layer: %d", _client_id);
if (_client_id != -1) {
remove_client(_client_id);
}
unmap_user();
}
void tcp_layer::Handle_Fd_Event(int fd, boolean is_readable, boolean is_writable, boolean is_error)
{
loggers::get_instance().log(">>> tcp_layer::Handle_Fd_Event: %d", fd);
Handle_Socket_Event(fd, is_readable, is_writable, is_error);
log_debug("<<< tcp_layer::Handle_Fd_Event");
}
void tcp_layer::Handle_Timeout(double time_since_last_call)
{
loggers::get_instance().log(">>> tcp_layer::Handle_Timeout: %f", time_since_last_call);
Handle_Timeout_Event(time_since_last_call);
loggers::get_instance().log("<<< tcp_layer::Handle_Timeout");
}
void tcp_layer::send_data(OCTETSTRING& data, params& params) {
loggers::get_instance().log_msg(">>> tcp_layer::send_data: ", data);
loggers::get_instance().log("tcp_layer::send_data: SSL mode: %x", get_ssl_use_ssl());
send_outgoing(static_cast<const unsigned char*>(data), data.lengthof(), _client_id);
}
void tcp_layer::receive_data(OCTETSTRING& data, params& params) {
loggers::get_instance().log_msg(">>> tcp_layer::receive_data: ", data);
receive_to_all_layers(data, params);
}
void tcp_layer::message_incoming(const unsigned char* message_buffer, int length, int client_id) {
loggers::get_instance().log(">>> tcp_layer::message_incoming");
loggers::get_instance().log_to_hexa("tcp_layer::message_incoming: ", message_buffer, length);
float duration;
loggers::get_instance().set_start_time(_time_key);
OCTETSTRING data(length, message_buffer);
params params;
this->receive_data(data, params); // TODO Check execution time for decoding operation
loggers::get_instance().set_stop_time(_time_key, duration);
}
void tcp_layer::client_connection_opened(int p_client_id)
{
loggers::get_instance().log(">>> tcp_layer::client_connection_opened: %d", p_client_id);
_client_id = p_client_id;
}
bool tcp_layer::add_user_data(int p_client_id)
{
loggers::get_instance().log(">>> tcp_layer::add_user_data: %d", p_client_id);
if (_params[params::use_ssl].compare("0") == 0) {
loggers::get_instance().log("tcp_layer::add_user_data: Non secured mode");
return Abstract_Socket::add_user_data(p_client_id);
}
loggers::get_instance().log("tcp_layer::add_user_data: SSL mode");
return SSL_Socket::add_user_data(p_client_id);
}
int tcp_layer::send_message_on_fd(int p_client_id, const unsigned char * message_buffer, int length_of_message)
{
loggers::get_instance().log(">>> tcp_layer::send_message_on_fd: %d", p_client_id);
if(get_user_data(p_client_id))
{
loggers::get_instance().log("tcp_layer::send_message_on_fd: SSL mode");
return SSL_Socket::send_message_on_fd(p_client_id, message_buffer, length_of_message);
}
loggers::get_instance().log("tcp_layer::send_message_on_fd: Non secured mode");
return Abstract_Socket::send_message_on_fd(p_client_id, message_buffer, length_of_message);
}
int tcp_layer::send_message_on_nonblocking_fd(int p_client_id, const unsigned char * message_buffer, int length_of_message)
{
loggers::get_instance().log(">>> tcp_layer::send_message_on_nonblocking_fd: %d", p_client_id);
if(get_user_data(p_client_id))
{
loggers::get_instance().log("tcp_layer::send_message_on_nonblocking_fd: SSL mode");
return SSL_Socket::send_message_on_nonblocking_fd(p_client_id, message_buffer, length_of_message);
}
loggers::get_instance().log("tcp_layer::send_message_on_nonblocking_fd: Non secured mode");
return Abstract_Socket::send_message_on_nonblocking_fd(p_client_id, message_buffer, length_of_message);
}
int tcp_layer::receive_message_on_fd(int p_client_id)
{
loggers::get_instance().log(">>> tcp_layer::receive_message_on_fd: %d", p_client_id);
if(get_user_data(p_client_id)) {
// INFO: it is assumed that only SSL_Socket assigns user data to each peer
loggers::get_instance().log("tcp_layer::receive_message_on_fd: SSL mode");
return SSL_Socket::receive_message_on_fd(p_client_id);
}
loggers::get_instance().log("tcp_layer::receive_message_on_fd: Non secured mode");
return Abstract_Socket::receive_message_on_fd(p_client_id);
}
void tcp_layer::peer_disconnected(int p_client_id)
{
loggers::get_instance().log(">>> tcp_layer::peer_disconnected: %d", p_client_id);
Abstract_Socket::peer_disconnected(p_client_id);
_client_id = -1;
}
tcp_layer_factory tcp_layer_factory::_f;