1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2009 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
15 #include "exitcodes.h"
17 /* +------------------------------------+
18 * | Inspire Internet Relay Chat Daemon |
19 * +------------------------------------+
21 * InspIRCd: (C) 2002-2009 InspIRCd Development Team
22 * See: http://wiki.inspircd.org/Credits
24 * This program is free but copyrighted software; see
25 * the file COPYING for details.
27 * ---------------------------------------------------
30 #ifndef __SOCKETENGINE_PORTS__
31 #define __SOCKETENGINE_PORTS__
34 # error You need Solaris 10 or later to make use of this code.
40 #include "inspircd_config.h"
42 #include "socketengine.h"
45 /** A specialisation of the SocketEngine class, designed to use solaris 10 I/O completion ports
47 class PortsEngine : public SocketEngine
50 /** These are used by epoll() to hold socket events
54 /** Create a new PortsEngine
55 * @param Instance The creator of this object
58 /** Delete a PortsEngine
60 virtual ~PortsEngine();
61 virtual bool AddFd(EventHandler* eh, int event_mask);
62 void OnSetEvent(EventHandler* eh, int old_event, int new_event);
63 virtual bool DelFd(EventHandler* eh, bool force = false);
64 virtual int DispatchEvents();
65 virtual std::string GetName();
66 virtual void WantWrite(EventHandler* eh);
74 PortsEngine::PortsEngine()
76 int max = ulimit(4, 0);
79 MAX_DESCRIPTORS = max;
84 ServerInstance->Logs->Log("SOCKET", DEFAULT, "ERROR: Can't determine maximum number of open sockets!");
85 printf("ERROR: Can't determine maximum number of open sockets!\n");
86 ServerInstance->Exit(EXIT_STATUS_SOCKETENGINE);
88 EngineHandle = port_create();
90 if (EngineHandle == -1)
92 ServerInstance->Logs->Log("SOCKET",SPARSE,"ERROR: Could not initialize socket engine: %s", strerror(errno));
93 ServerInstance->Logs->Log("SOCKET",SPARSE,"ERROR: This is a fatal error, exiting now.");
94 printf("ERROR: Could not initialize socket engine: %s\n", strerror(errno));
95 printf("ERROR: This is a fatal error, exiting now.\n");
96 ServerInstance->Exit(EXIT_STATUS_SOCKETENGINE);
100 ref = new EventHandler* [GetMaxFds()];
101 events = new port_event_t[GetMaxFds()];
102 memset(ref, 0, GetMaxFds() * sizeof(EventHandler*));
105 PortsEngine::~PortsEngine()
107 this->Close(EngineHandle);
112 static int mask_to_events(int event_mask)
115 if (event_mask & (FD_WANT_POLL_READ | FD_WANT_FAST_READ))
117 if (event_mask & (FD_WANT_POLL_WRITE | FD_WANT_FAST_WRITE | FD_WANT_SINGLE_WRITE))
122 bool PortsEngine::AddFd(EventHandler* eh, int event_mask)
124 int fd = eh->GetFd();
125 if ((fd < 0) || (fd > GetMaxFds() - 1))
132 SocketEngine::SetEventMask(eh, event_mask);
133 port_associate(EngineHandle, PORT_SOURCE_FD, fd, mask_to_events(event_mask), eh);
135 ServerInstance->Logs->Log("SOCKET",DEBUG,"New file descriptor: %d", fd);
140 void PortsEngine::WantWrite(EventHandler* eh, int old_mask, int new_mask)
142 if (mask_to_events(new_mask) != mask_to_events(old_mask))
143 port_associate(EngineHandle, PORT_SOURCE_FD, eh->GetFd(), mask_to_events(new_mask), eh);
146 bool PortsEngine::DelFd(EventHandler* eh, bool force)
148 int fd = eh->GetFd();
149 if ((fd < 0) || (fd > GetMaxFds() - 1))
152 port_dissociate(EngineHandle, PORT_SOURCE_FD, fd);
157 ServerInstance->Logs->Log("SOCKET",DEBUG,"Remove file descriptor: %d", fd);
161 int PortsEngine::DispatchEvents()
163 struct timespec poll_time;
165 poll_time.tv_sec = 1;
166 poll_time.tv_nsec = 0;
168 unsigned int nget = 1; // used to denote a retrieve request.
169 int i = port_getn(EngineHandle, this->events, GetMaxFds() - 1, &nget, &poll_time);
171 // first handle an error condition
177 for (i = 0; i < nget; i++)
179 switch (this->events[i].portev_source)
183 int fd = this->events[i].portev_object;
184 EventHandler* eh = ref[fd];
187 int mask = eh->GetEventMask();
188 if (events[i].portev_events & POLLWRNORM)
189 mask &= ~(FD_WRITE_WILL_BLOCK | FD_WANT_FAST_WRITE | FD_WANT_SINGLE_WRITE);
190 if (events[i].portev_events & POLLRDNORM)
191 mask &= ~FD_READ_WILL_BLOCK;
192 // reinsert port for next time around, pretending to be one-shot for writes
193 SetEventMask(ev, mask);
194 port_associate(EngineHandle, PORT_SOURCE_FD, fd, mask_to_events(mask), eh);
195 if (events[i].portev_events & POLLRDNORM)
198 eh->HandleEvent(EVENT_READ);
200 if (events[i].portev_events & POLLWRNORM)
203 eh->HandleEvent(EVENT_WRITE);
215 std::string PortsEngine::GetName()
220 SocketEngine* CreateSocketEngine()
222 return new PortsEngine;