etlist: separate responses into a vector

This commit is contained in:
Radegast 2012-09-14 13:18:17 +02:00
parent fe18c88311
commit fb1b8c298f
5 changed files with 121 additions and 58 deletions

View file

@ -55,7 +55,7 @@ std::string Connection::wrap_message(std::string message)
return std::string(4, 0xff) + message; return std::string(4, 0xff) + message;
} }
std::string Connection::get_response() std::vector<std::string> Connection::get_response()
{ {
return response_; return response_;
} }
@ -76,12 +76,14 @@ void Connection::HandleReceive(const boost::system::error_code& error,
boost::asio::placeholders::bytes_transferred)); boost::asio::placeholders::bytes_transferred));
// std::cout.write(data_, bytes_recvd) << std::endl; // std::cout.write(data_, bytes_recvd) << std::endl;
response_ += data_; response_.push_back(data_);
} }
#if 0
else if (error) else if (error)
{ {
std::cout << "Receive error: " << error.message() << std::endl; std::cout << "Receive error: [" << error.category().name() << "] " << error.message() << std::endl;
} }
#endif
// io_service will quit when it has no more work to do // io_service will quit when it has no more work to do
} }

View file

@ -40,7 +40,7 @@ public:
std::string message = "getstatus", std::string message = "getstatus",
float timeout = 1.5); float timeout = 1.5);
void close(); void close();
std::string get_response(); std::vector<std::string> get_response();
private: private:
boost::asio::deadline_timer timer_; boost::asio::deadline_timer timer_;
boost::asio::io_service &io_service_; boost::asio::io_service &io_service_;
@ -49,7 +49,7 @@ private:
enum { max_length = 2048 }; enum { max_length = 2048 };
char data_[max_length]; char data_[max_length];
std::string response_; std::vector<std::string> response_;
void HandleReceive(const boost::system::error_code& error, size_t bytes_recvd); void HandleReceive(const boost::system::error_code& error, size_t bytes_recvd);
void HandleSend(); void HandleSend();

View file

@ -17,46 +17,75 @@
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with ET: Legacy. If not, see <http://www.gnu.org/licenses/>. * along with ET: Legacy. If not, see <http://www.gnu.org/licenses/>.
*/ */
#include <iostream>
#include <string>
#include <map>
#include <iomanip> // using 'setw'
#include "etparser.h" #include "etparser.h"
ETParser::ETParser() ETParser::ETParser(std::vector<std::string> packets)
{ {
for (int i = 0; i < packets.size(); i++)
{
ParseResponse(packets[i]);
}
// Just print it all out for now:
std::map <std::string, std::string>::iterator it;
for (it = response_variables_.begin(); it != response_variables_.end(); ++it)
{
std::cout << std::setw(22) << it->first << ": " << it->second <<
std::endl;
}
} }
ETParser::~ETParser() void ETParser::ParseResponse(std::string rsp_to_parse)
{ {
set_response_name(rsp_to_parse);
if (get_variable("response_name") == "statusResponse"
|| get_variable("response_name") == "infoResponse")
{
std::vector<std::string> parts;
boost::split(parts, rsp_to_parse, boost::is_any_of("\n"), boost::token_compress_on);
SplitVariables(parts.at(1));
if (parts.size() > 1)
{
std::string players;
for (int i = 2; i < parts.size(); i++)
{
if (!parts[i].empty())
{
players += parts[i] + std::string(1, 0xFF);
}
}
if (!players.empty())
{
add_variable("players", players);
}
}
}
else if (get_variable("response_name") == "getserversResponse")
{
// TODO
}
else
{
std::cout << "UNKNOWN RESPONSE TYPE" << std::endl;
}
} }
void ETParser::ParseMessage(std::string recv_msg) void ETParser::SplitVariables(std::string rsp_to_split)
{ {
// recv_msg.erase(recv_msg.find('\0'), recv_msg.npos); // recv_msg.erase(recv_msg.find('\0'), recv_msg.npos);
// Omit OOB from the packet name
size_t headerEnd = recv_msg.find('\n');
std::cout << "Parsing " <<
recv_msg.substr(4, headerEnd - 4) << " packet.... ";
std::map<std::string, std::string> recv_tokens;
std::string key, value; std::string key, value;
size_t tokenStart = 0; size_t tokenStart = 0, tokenEnd = 0;
size_t tokenEnd = 0;
for (;; ) for (;; )
{ {
/* /*
* Search for a key * Search for a key
*/ */
tokenStart = recv_msg.find('\\', tokenEnd++); tokenStart = rsp_to_split.find('\\', tokenEnd++);
tokenEnd = recv_msg.find('\\', ++tokenStart); tokenEnd = rsp_to_split.find('\\', ++tokenStart);
// No more keys // No more keys
if (tokenStart == std::string::npos) if (tokenStart == std::string::npos)
@ -67,20 +96,20 @@ void ETParser::ParseMessage(std::string recv_msg)
// Key without a value // Key without a value
if (tokenEnd == std::string::npos) if (tokenEnd == std::string::npos)
{ {
key = recv_msg.substr(tokenStart, key = rsp_to_split.substr(tokenStart,
recv_msg.length() - tokenStart); rsp_to_split.length() - tokenStart);
recv_tokens[key] = ""; response_variables_[key] = std::string("");
std::cout << "Warning: adding a key with empty value." << std::endl; std::cout << "Warning: adding a key with empty value." << std::endl;
break; break;
} }
key = recv_msg.substr(tokenStart, tokenEnd - tokenStart); key = rsp_to_split.substr(tokenStart, tokenEnd - tokenStart);
/* /*
* Search for a value * Search for a value
*/ */
tokenStart = recv_msg.find('\\', tokenEnd++); tokenStart = rsp_to_split.find('\\', tokenEnd++);
tokenEnd = recv_msg.find('\\', ++tokenStart); tokenEnd = rsp_to_split.find('\\', ++tokenStart);
// No more values // No more values
if (tokenStart == std::string::npos) if (tokenStart == std::string::npos)
@ -91,35 +120,55 @@ void ETParser::ParseMessage(std::string recv_msg)
// Value is not at the end // Value is not at the end
if (tokenEnd != std::string::npos) if (tokenEnd != std::string::npos)
{ {
value = recv_msg.substr(tokenStart, tokenEnd - tokenStart); value = rsp_to_split.substr(tokenStart,
tokenEnd - tokenStart);
} }
else else
{ {
// Last value // Last value
value = recv_msg.substr(tokenStart, recv_msg.length() - tokenStart); value = rsp_to_split.substr(tokenStart,
rsp_to_split.length() - tokenStart);
} }
/* response_variables_[key] = value;
* Store key->value pair in a map
*/
recv_tokens[key] = value;
// FIXME: This should not happen, but it does. Why? // FIXME: This should not happen, but it does. Why?
if (tokenStart >= recv_msg.length() || tokenEnd >= recv_msg.length()) if (tokenStart >= rsp_to_split.length() ||
tokenEnd >= rsp_to_split.length())
{ {
break; break;
} }
} }
}
/* std::string ETParser::get_variable(std::string key)
* Display key->value pairs {
*/ return response_variables_.find(key)->second;
std::cout << recv_tokens.size() << " variables paired" << std::endl << std::endl; }
std::map <std::string, std::string>::iterator it; void ETParser::add_variable(std::string key, std::string value)
for (it = recv_tokens.begin(); it != recv_tokens.end(); ++it) {
response_variables_.insert(
std::pair<std::string, std::string>(key, value));
}
void ETParser::set_response_name(std::string rsp_header)
{
try
{ {
std::cout << std::setw(22) << it->first << ": " << it->second << // Omit OOB (4x0xFF) from the packet start
std::endl; rsp_header = rsp_header.substr(4);
// getserversResponse is delimited by a backslash
// statusResponse and infoResponse are delimited by a newline
std::vector<std::string> parts;
boost::split(parts, rsp_header, boost::is_any_of("\\ \n"), boost::token_compress_on);
add_variable("response_name", parts[0]);
}
catch (std::out_of_range& exception)
{
std::cerr << "Invalid response: " << rsp_header << std::endl;
exit(EXIT_FAILURE);
} }
} }

View file

@ -20,16 +20,27 @@
#ifndef ETPARSER_H #ifndef ETPARSER_H
#define ETPARSER_H #define ETPARSER_H
#include <iostream>
#include <string>
#include <map>
#include <iomanip> // using 'setw'
#include <boost/tokenizer.hpp>
#include <boost/algorithm/string.hpp>
class ETParser class ETParser
{ {
public: public:
ETParser(); ETParser(std::vector<std::string> packets);
virtual ~ETParser();
void SplitIntoParts(std::string msg_to_split); void ParseResponse(std::string rsp_to_parse);
void ParseMessage(std::string recv_msg); void SplitVariables(std::string rsp_to_split);
void set_response_name(std::string rsp_header);
std::string get_variable(std::string key);
void add_variable(std::string key, std::string value);
private: private:
std::map<std::string, std::string> response_variables_;
}; };
#endif // ETPARSER_H #endif // ETPARSER_H

View file

@ -66,7 +66,7 @@ int main(int argc, char *argv[])
{ {
std::cerr << "Usage: " << argv[0] << " -s <server>" << std::endl; std::cerr << "Usage: " << argv[0] << " -s <server>" << std::endl;
std::cerr << "Append -h or --help to see all program options." << std::endl; std::cerr << "Append -h or --help to see all program options." << std::endl;
return 1; return EXIT_FAILURE;
} }
/* /*
@ -82,15 +82,16 @@ int main(int argc, char *argv[])
/* /*
* Parse the response * Parse the response
*/ */
ETParser parser;
if (var_map.count("raw")) if (var_map.count("raw"))
{ {
std::cout << client.get_response() << std::endl; for (int i = 0; i < client.get_response().size(); i++)
{
std::cout << "Response #" << i << ": " << client.get_response()[i] << std::endl << std::endl;
}
} }
else else
{ {
parser.ParseMessage(client.get_response()); ETParser parser(client.get_response());
} }
} }
catch (std::exception& e) catch (std::exception& e)