/*
*
* Copyright (C) 2010 Mattias Runge
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <string>
#include <vector>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <pwd.h>
#include <boost/lexical_cast.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition.hpp>
#include <boost/thread/locks.hpp>
#include <boost/algorithm/string.hpp>
#include "net/Manager.h"
#include "net/Subscriber.h"
#include "net/types.h"
#include "type/common.h"
#include <readline/readline.h>
#include <readline/history.h>
using namespace atom;
void Handler(int status);
void CleanUp();
char* AutoCompleteGet(const char* text, int state);
static char** AutoComplete(const char* text, int start, int end);
type::StringList autocomplete_list;
char* buffer = NULL;
bool waiting_for_autocomplete = false;
boost::condition on_message_condition;
boost::mutex guard_mutex;
class ConsoleClient : public net::Subscriber
{
public:
typedef boost::shared_ptr<ConsoleClient> Pointer;
ConsoleClient(std::string address, unsigned int port)
{
this->client_id_ = net::Manager::Instance()->Connect(net::PROTOCOL_TCP, address, port);
}
virtual ~ConsoleClient()
{
net::Manager::Instance()->Disconnect(this->client_id_);
this->io_service_.stop();
}
void Send(std::string data)
{
net::Manager::Instance()->SendTo(this->client_id_, data);
}
bool IsConnected()
{
return this->client_id_ != 0;
}
private:
net::ClientId client_id_;
void SlotOnNewStateHandler(net::ClientId client_id, net::ServerId server_id, net::ClientState client_state)
{
if (client_state == net::CLIENT_STATE_CONNECTED)
{
printf("Connected to Atom Daemon!\n");
}
else
{
printf("\nDisconnected!\n");
this->client_id_ = 0;
kill(getpid(), SIGTERM);
}
}
void SlotOnNewDataHandler(net::ClientId client_id, net::ServerId server_id, type::Byteset data)
{
std::string s(data.ToCharString());
if (waiting_for_autocomplete)
{
autocomplete_list.clear();
boost::algorithm::trim_if(s, boost::is_any_of("\n"));
boost::algorithm::trim_if(s, boost::is_any_of(" "));
if (s != "")
{
boost::algorithm::split(autocomplete_list, s, boost::is_any_of("\n"), boost::algorithm::token_compress_on);
}
}
else
{
if (s[s.length()-1] != '\n')
{
s += "\n";
}
printf("%s", s.data());
}
on_message_condition.notify_all();
}
};
ConsoleClient::Pointer cc;
struct termios original_flags;
std::string history_filename;
int main(int argc, char **argv)
{
signal(SIGTERM, Handler);
signal(SIGINT, Handler);
signal(SIGQUIT, Handler);
signal(SIGABRT, Handler);
signal(SIGPIPE, Handler);
tcgetattr(fileno(stdin), &original_flags);
printf("Atom Interactive Console, version 1.5.0 starting...\n");
printf("Written by Mattias Runge 2010.\n");
printf("Released under GPL version 2.\n");
net::Manager::Create();
std::string address = "localhost";
unsigned int port = 1202;
printf("Connecting to %s:%d...", address.data(), port);
try
{
cc = ConsoleClient::Pointer(new ConsoleClient(address, port));
}
catch (std::runtime_error& e)
{
printf("%s\n", e.what());
CleanUp();
return EXIT_FAILURE;
}
printf("success!\n");
std::string prompt = address + ":" + boost::lexical_cast<std::string>(port) + "] ";
passwd* user_struct = getpwuid(getuid());
history_filename = std::string(user_struct->pw_dir) + "/.atomic_history";
read_history(history_filename.data());
rl_attempted_completion_function = AutoComplete;
while ((buffer = readline(prompt.data())) != NULL)
{
if (strlen(buffer) == 0)
{
continue;
}
if (strcmp(buffer, "quit") == 0)
{
break;
}
waiting_for_autocomplete = false;
cc->Send("E;" + std::string(buffer));
boost::mutex::scoped_lock guard(guard_mutex);
on_message_condition.wait(guard);
add_history(buffer);
}
CleanUp();
return EXIT_SUCCESS;
}
static char** AutoComplete(const char* text, int start, int end)
{
unsigned int count = 0;
//printf("\nAutoComplete:start=%d, end=%d\n", start, end);
for (unsigned int n = 0; n < start; n++)
{
if (rl_line_buffer[n] == ' ')
{
count++;
}
}
waiting_for_autocomplete = true;
std::string request = "A;"+ boost::lexical_cast<std::string>(count) + ";" + std::string(rl_line_buffer);
//printf("\nSending request:%s\n", request.data());
cc->Send(request);
boost::mutex::scoped_lock guard(guard_mutex);
on_message_condition.wait(guard);
if (autocomplete_list.size() == 0)
{
return NULL;
}
//printf("processing response\n");
return rl_completion_matches(text, &AutoCompleteGet);
}
char* AutoCompleteGet(const char* text, int state)
{
static int index = 0;
int length = strlen(text);
std::string name;
//printf("run, %s, %d, %d\n", text, state, autocomplete_list.size());
if (!state) // First run
{
index = 0;
}
while (autocomplete_list.size() > index)
{
name = autocomplete_list[index];
//printf("testing name = %s\n", name.data());
index++;
if (strncmp(name.data(), text, length) == 0)
{
char *result = (char*)malloc(name.size() + 1);
strcpy(result, name.data());
return result;
}
}
return NULL;
}
void CleanUp()
{
printf("Cleaning up...\n");
write_history(history_filename.data());
cc.reset();
net::Manager::Delete();
if (buffer != NULL)
{
free(buffer);
}
printf("Thank you for using Atom. Goodbye!\n");
tcsetattr(fileno(stdin), TCSANOW, &original_flags); // Restore
}
void Handler(int status)
{
std::string signal_name = "Unknown";
switch (status)
{
case SIGTERM:
{
signal_name = "Terminate";
break;
}
case SIGINT:
{
signal_name = "Interupt";
break;
}
case SIGQUIT:
{
signal_name = "Quit";
break;
}
case SIGABRT:
{
signal_name = "Abort";
break;
}
case SIGIO:
{
signal_name = "I/O";
break;
}
case SIGPIPE:
{
signal_name = "Pipe";
break;
}
}
if (status != SIGPIPE)
{
CleanUp();
exit(0);
//on_message_condition.notify_all();
}
}