2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
19 * Author : Maxim Mamontov <faust@stargazer.dp.ua>
22 #include "configproto.h"
26 #include "parser_server_info.h"
27 #include "parser_admins.h"
28 #include "parser_tariffs.h"
29 #include "parser_users.h"
30 #include "parser_message.h"
31 #include "parser_user_info.h"
32 #include "parser_auth_by.h"
34 #include "stg/common.h"
35 #include "stg/logger.h"
45 #include <sys/types.h>
46 #include <sys/socket.h>
47 #include <netinet/in.h>
50 namespace SP = STG::PARSER;
52 CONFIGPROTO::CONFIGPROTO(PLUGIN_LOGGER & l)
58 m_bindAddress("0.0.0.0"),
66 CONFIGPROTO::~CONFIGPROTO()
68 std::deque<STG::Conn *>::iterator it;
69 for (it = m_conns.begin(); it != m_conns.end(); ++it)
73 int CONFIGPROTO::Prepare()
75 sigset_t sigmask, oldmask;
76 sigemptyset(&sigmask);
77 sigaddset(&sigmask, SIGINT);
78 sigaddset(&sigmask, SIGTERM);
79 sigaddset(&sigmask, SIGUSR1);
80 sigaddset(&sigmask, SIGHUP);
81 pthread_sigmask(SIG_BLOCK, &sigmask, &oldmask);
83 m_listenSocket = socket(PF_INET, SOCK_STREAM, 0);
85 if (m_listenSocket < 0)
87 m_errorStr = std::string("Cannot create listen socket: '") + strerror(errno) + "'.";
94 if (setsockopt(m_listenSocket, SOL_SOCKET, SO_REUSEADDR, &dummy, 4) != 0)
96 m_errorStr = std::string("Failed to set SO_REUSEADDR to the listen socket: '") + strerror(errno) + "'.";
104 if (listen(m_listenSocket, 64) == -1) // TODO: backlog length
106 m_errorStr = std::string("Failed to start listening for connections: '") + strerror(errno) + "'.";
107 m_logger(m_errorStr);
118 int CONFIGPROTO::Stop()
121 for (int i = 0; i < 5 && !m_stopped; ++i)
123 struct timespec ts = {0, 200000000};
124 nanosleep(&ts, NULL);
129 m_errorStr = "Cannot stop listenign thread.";
130 m_logger(m_errorStr);
134 shutdown(m_listenSocket, SHUT_RDWR);
135 close(m_listenSocket);
139 void CONFIGPROTO::Run()
151 int res = select(MaxFD() + 1, &fds, NULL, NULL, &tv);
154 m_errorStr = std::string("'select' is failed: '") + strerror(errno) + "'.";
155 printfd(__FILE__, "%s\n", m_errorStr.c_str());
156 m_logger(m_errorStr);
163 printfd(__FILE__, "Something happend - received %d events.\n", res);
172 bool CONFIGPROTO::Bind()
174 const hostent * he = gethostbyname(m_bindAddress.c_str());
177 m_errorStr = "Failed to resolve name '" + m_bindAddress + "': '" + hstrerror(h_errno) + "'.";
178 printfd(__FILE__, "%s\n", m_errorStr.c_str());
179 m_logger(m_errorStr);
183 char ** ptr = he->h_addr_list;
186 struct sockaddr_in listenAddr;
187 listenAddr.sin_family = PF_INET;
188 listenAddr.sin_port = htons(m_port);
189 listenAddr.sin_addr.s_addr = *reinterpret_cast<in_addr_t *>(*ptr);
191 printfd(__FILE__, "Trying to bind to %s:%d\n", inet_ntostring(listenAddr.sin_addr.s_addr).c_str(), m_port);
193 if (bind(m_listenSocket, reinterpret_cast<sockaddr *>(&listenAddr), sizeof(listenAddr)) == 0)
196 m_errorStr = std::string("Cannot bind listen socket: '") + strerror(errno) + "'.";
197 printfd(__FILE__, "%s\n", m_errorStr.c_str());
198 m_logger(m_errorStr);
206 void CONFIGPROTO::RegisterParsers()
208 assert(m_settings != NULL);
209 assert(m_store != NULL);
210 assert(m_admins != NULL);
211 assert(m_users != NULL);
212 assert(m_tariffs != NULL);
214 SP::GET_SERVER_INFO::FACTORY::Register(m_registry, *m_settings, *m_users, *m_tariffs);
216 SP::GET_ADMINS::FACTORY::Register(m_registry, *m_admins);
217 SP::ADD_ADMIN::FACTORY::Register(m_registry, *m_admins);
218 SP::DEL_ADMIN::FACTORY::Register(m_registry, *m_admins);
219 SP::CHG_ADMIN::FACTORY::Register(m_registry, *m_admins);
221 SP::GET_TARIFFS::FACTORY::Register(m_registry, *m_tariffs);
222 SP::ADD_TARIFF::FACTORY::Register(m_registry, *m_tariffs);
223 SP::DEL_TARIFF::FACTORY::Register(m_registry, *m_tariffs, *m_users);
224 SP::CHG_TARIFF::FACTORY::Register(m_registry, *m_tariffs);
226 SP::GET_USERS::FACTORY::Register(m_registry, *m_users);
227 SP::GET_USER::FACTORY::Register(m_registry, *m_users);
228 SP::ADD_USER::FACTORY::Register(m_registry, *m_users);
229 SP::DEL_USER::FACTORY::Register(m_registry, *m_users);
230 SP::CHG_USER::FACTORY::Register(m_registry, *m_users, *m_store, *m_tariffs);
231 SP::CHECK_USER::FACTORY::Register(m_registry, *m_users);
233 SP::SEND_MESSAGE::FACTORY::Register(m_registry, *m_users);
235 SP::AUTH_BY::FACTORY::Register(m_registry, *m_users);
237 SP::USER_INFO::FACTORY::Register(m_registry, *m_users);
240 int CONFIGPROTO::MaxFD() const
242 int maxFD = m_listenSocket;
243 std::deque<STG::Conn *>::const_iterator it;
244 for (it = m_conns.begin(); it != m_conns.end(); ++it)
245 if (maxFD < (*it)->Sock())
246 maxFD = (*it)->Sock();
250 void CONFIGPROTO::BuildFDSet(fd_set & fds) const
252 printfd(__FILE__, "Building fd set for %d connections.\n", m_conns.size());
254 FD_SET(m_listenSocket, &fds);
255 std::deque<STG::Conn *>::const_iterator it;
256 for (it = m_conns.begin(); it != m_conns.end(); ++it)
257 FD_SET((*it)->Sock(), &fds);
260 void CONFIGPROTO::CleanupConns()
262 size_t old = m_conns.size();
264 std::deque<STG::Conn *>::iterator pos;
265 for (pos = m_conns.begin(); pos != m_conns.end(); ++pos)
266 if (((*pos)->IsDone() && !(*pos)->IsKeepAlive()) || !(*pos)->IsOk())
272 pos = std::remove(m_conns.begin(), m_conns.end(), static_cast<STG::Conn *>(NULL));
273 m_conns.erase(pos, m_conns.end());
275 if (m_conns.size() < old)
276 printfd(__FILE__, "Cleaned up %d connections.\n", old - m_conns.size());
279 void CONFIGPROTO::HandleEvents(const fd_set & fds)
281 if (FD_ISSET(m_listenSocket, &fds))
285 std::deque<STG::Conn *>::iterator it;
286 for (it = m_conns.begin(); it != m_conns.end(); ++it)
287 if (FD_ISSET((*it)->Sock(), &fds))
289 printfd(__FILE__, "Reading data from %s:%d.\n", inet_ntostring((*it)->IP()).c_str(), (*it)->Port());
295 void CONFIGPROTO::AcceptConnection()
297 printfd(__FILE__, "Accepting new connection.\n");
299 struct sockaddr_in outerAddr;
300 socklen_t outerAddrLen(sizeof(outerAddr));
301 int sock = accept(m_listenSocket, reinterpret_cast<sockaddr *>(&outerAddr), &outerAddrLen);
305 m_errorStr = std::string("Failed to accept connection: '") + strerror(errno) + "'.";
306 printfd(__FILE__, "%s\n", m_errorStr.c_str());
307 m_logger(m_errorStr);
311 assert(m_admins != NULL);
315 m_conns.push_back(new STG::Conn(m_registry, *m_admins, sock, outerAddr));
316 printfd(__FILE__, "New connection from %s:%d. Total connections: %d\n", inet_ntostring(m_conns.back()->IP()).c_str(), m_conns.back()->Port(), m_conns.size());
318 catch (const STG::Conn::Error & error)
321 m_logger(std::string("Failed to create new client connection: '") + error.what() + "'.");
325 void CONFIGPROTO::WriteLogAccessFailed(uint32_t ip)
327 m_logger("Admin's connection failed. IP %s", inet_ntostring(ip).c_str());