2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
7 * This file is part of InspIRCd. InspIRCd is free software: you can
8 * redistribute it and/or modify it under the terms of the GNU General Public
9 * License as published by the Free Software Foundation, version 2.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "exitcodes.h"
25 #ifndef SOCKETENGINE_PORTS
26 #define SOCKETENGINE_PORTS
29 # error You need Solaris 10 or later to make use of this code.
36 #include "socketengine.h"
40 /** A specialisation of the SocketEngine class, designed to use solaris 10 I/O completion ports
42 class PortsEngine : public SocketEngine
45 /** These are used by epoll() to hold socket events
50 /** Create a new PortsEngine
53 /** Delete a PortsEngine
55 virtual ~PortsEngine();
56 virtual bool AddFd(EventHandler* eh, int event_mask);
57 virtual void OnSetEvent(EventHandler* eh, int old_mask, int new_mask);
58 virtual void DelFd(EventHandler* eh);
59 virtual int DispatchEvents();
60 virtual std::string GetName();
68 PortsEngine::PortsEngine()
70 int max = ulimit(4, 0);
73 MAX_DESCRIPTORS = max;
77 ServerInstance->Logs->Log("SOCKET", LOG_DEFAULT, "ERROR: Can't determine maximum number of open sockets!");
78 std::cout << "ERROR: Can't determine maximum number of open sockets!" << std::endl;
79 ServerInstance->QuickExit(EXIT_STATUS_SOCKETENGINE);
81 EngineHandle = port_create();
83 if (EngineHandle == -1)
85 ServerInstance->Logs->Log("SOCKET", LOG_SPARSE, "ERROR: Could not initialize socket engine: %s", strerror(errno));
86 ServerInstance->Logs->Log("SOCKET", LOG_SPARSE, "ERROR: This is a fatal error, exiting now.");
87 std::cout << "ERROR: Could not initialize socket engine: " << strerror(errno) << std::endl;
88 std::cout << "ERROR: This is a fatal error, exiting now." << std::endl;
89 ServerInstance->QuickExit(EXIT_STATUS_SOCKETENGINE);
93 ref = new EventHandler* [GetMaxFds()];
94 events = new port_event_t[GetMaxFds()];
95 memset(ref, 0, GetMaxFds() * sizeof(EventHandler*));
98 PortsEngine::~PortsEngine()
100 this->Close(EngineHandle);
105 static int mask_to_events(int event_mask)
108 if (event_mask & (FD_WANT_POLL_READ | FD_WANT_FAST_READ))
110 if (event_mask & (FD_WANT_POLL_WRITE | FD_WANT_FAST_WRITE | FD_WANT_SINGLE_WRITE))
115 bool PortsEngine::AddFd(EventHandler* eh, int event_mask)
117 int fd = eh->GetFd();
118 if ((fd < 0) || (fd > GetMaxFds() - 1))
125 SocketEngine::SetEventMask(eh, event_mask);
126 port_associate(EngineHandle, PORT_SOURCE_FD, fd, mask_to_events(event_mask), eh);
128 ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "New file descriptor: %d", fd);
133 void PortsEngine::OnSetEvent(EventHandler* eh, int old_mask, int new_mask)
135 if (mask_to_events(new_mask) != mask_to_events(old_mask))
136 port_associate(EngineHandle, PORT_SOURCE_FD, eh->GetFd(), mask_to_events(new_mask), eh);
139 void PortsEngine::DelFd(EventHandler* eh)
141 int fd = eh->GetFd();
142 if ((fd < 0) || (fd > GetMaxFds() - 1))
145 port_dissociate(EngineHandle, PORT_SOURCE_FD, fd);
150 ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "Remove file descriptor: %d", fd);
153 int PortsEngine::DispatchEvents()
155 struct timespec poll_time;
157 poll_time.tv_sec = 1;
158 poll_time.tv_nsec = 0;
160 unsigned int nget = 1; // used to denote a retrieve request.
161 int ret = port_getn(EngineHandle, this->events, GetMaxFds() - 1, &nget, &poll_time);
162 ServerInstance->UpdateTime();
164 // first handle an error condition
171 for (i = 0; i < nget; i++)
173 switch (this->events[i].portev_source)
177 int fd = this->events[i].portev_object;
178 EventHandler* eh = ref[fd];
181 int mask = eh->GetEventMask();
182 if (events[i].portev_events & POLLWRNORM)
183 mask &= ~(FD_WRITE_WILL_BLOCK | FD_WANT_FAST_WRITE | FD_WANT_SINGLE_WRITE);
184 if (events[i].portev_events & POLLRDNORM)
185 mask &= ~FD_READ_WILL_BLOCK;
186 // reinsert port for next time around, pretending to be one-shot for writes
187 SetEventMask(eh, mask);
188 port_associate(EngineHandle, PORT_SOURCE_FD, fd, mask_to_events(mask), eh);
189 if (events[i].portev_events & POLLRDNORM)
192 eh->HandleEvent(EVENT_READ);
196 if (events[i].portev_events & POLLWRNORM)
199 eh->HandleEvent(EVENT_WRITE);
211 std::string PortsEngine::GetName()
216 SocketEngine* CreateSocketEngine()
218 return new PortsEngine;