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authorGravatar brain2007-10-23 22:30:25 +0000
committerGravatar brain2007-10-23 22:30:25 +0000
commitcbb8fda4a7e763738e9675ec9f96286c87879176 (patch)
tree0ed6862e3b9f5f35ea86ea57e8a799f038523c28 /src/socketengine_select.cpp
parent-Wall is still required, too (diff)
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Move socketengines into their own dir. This was all w00t's idea, but i told him no because i didnt think it would work. Now ive done it myself :P ner ner ne ner ner :)
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@8332 e03df62e-2008-0410-955e-edbf42e46eb7
Diffstat (limited to 'src/socketengine_select.cpp')
-rw-r--r--src/socketengine_select.cpp165
1 files changed, 0 insertions, 165 deletions
diff --git a/src/socketengine_select.cpp b/src/socketengine_select.cpp
deleted file mode 100644
index 7ba386812..000000000
--- a/src/socketengine_select.cpp
+++ /dev/null
@@ -1,165 +0,0 @@
-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
- *
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
- *
- * This program is free but copyrighted software; see
- * the file COPYING for details.
- *
- * ---------------------------------------------------
- */
-
-#include "inspircd.h"
-#include <sys/select.h>
-#include "socketengine_select.h"
-
-
-SelectEngine::SelectEngine(InspIRCd* Instance) : SocketEngine(Instance)
-{
- EngineHandle = 0;
- CurrentSetSize = 0;
- memset(writeable, 0, sizeof(writeable));
-}
-
-SelectEngine::~SelectEngine()
-{
-}
-
-bool SelectEngine::AddFd(EventHandler* eh)
-{
- int fd = eh->GetFd();
- if ((fd < 0) || (fd > MAX_DESCRIPTORS))
- return false;
-
- if (GetRemainingFds() <= 1)
- return false;
-
- if (ref[fd])
- return false;
-
- fds[fd] = fd;
- ref[fd] = eh;
- CurrentSetSize++;
-
- ServerInstance->Log(DEBUG,"New file descriptor: %d", fd);
- return true;
-}
-
-void SelectEngine::WantWrite(EventHandler* eh)
-{
- writeable[eh->GetFd()] = true;
-}
-
-bool SelectEngine::DelFd(EventHandler* eh, bool force)
-{
- int fd = eh->GetFd();
-
- if ((fd < 0) || (fd > MAX_DESCRIPTORS))
- return false;
-
- std::map<int,int>::iterator t = fds.find(fd);
- if (t != fds.end())
- fds.erase(t);
-
- CurrentSetSize--;
- ref[fd] = NULL;
- fds[fd] = 0;
-
- ServerInstance->Log(DEBUG,"Remove file descriptor: %d", fd);
- return true;
-}
-
-int SelectEngine::GetMaxFds()
-{
- return FD_SETSIZE;
-}
-
-int SelectEngine::GetRemainingFds()
-{
- return FD_SETSIZE - CurrentSetSize;
-}
-
-int SelectEngine::DispatchEvents()
-{
- int result = 0;
- timeval tval;
- int sresult = 0;
- EventHandler* ev[MAX_DESCRIPTORS];
- socklen_t codesize;
- int errcode;
-
- FD_ZERO(&wfdset);
- FD_ZERO(&rfdset);
- FD_ZERO(&errfdset);
-
- for (std::map<int,int>::iterator a = fds.begin(); a != fds.end(); a++)
- {
- if (ref[a->second]->Readable())
- FD_SET (a->second, &rfdset);
- else
- FD_SET (a->second, &wfdset);
- if (writeable[a->second])
- FD_SET (a->second, &wfdset);
-
- FD_SET (a->second, &errfdset);
- }
- tval.tv_sec = 1;
- tval.tv_usec = 0;
- sresult = select(FD_SETSIZE, &rfdset, &wfdset, &errfdset, &tval);
- if (sresult > 0)
- {
- for (std::map<int,int>::iterator a = fds.begin(); a != fds.end(); a++)
- {
- if ((FD_ISSET (a->second, &rfdset)) || (FD_ISSET (a->second, &wfdset)) || FD_ISSET (a->second, &errfdset))
- {
- ev[result++] = ref[a->second];
- }
- }
- }
-
- /** An event handler may remove its own descriptor from the list, therefore it is not
- * safe to directly iterate over the list and dispatch events there with STL iterators.
- * Thats a shame because it makes this code slower and more resource intensive, but maybe
- * the user should stop using select(), as select() smells anyway.
- */
- for (int i = 0; i < result; i++)
- {
- if (ev[i])
- {
- if (FD_ISSET (ev[i]->GetFd(), &errfdset))
- {
- if (ev[i])
- {
- if (getsockopt(ev[i]->GetFd(), SOL_SOCKET, SO_ERROR, &errcode, &codesize) < 0)
- errcode = errno;
-
- ev[i]->HandleEvent(EVENT_ERROR, errcode);
- }
- continue;
- }
- if (ev[i])
- {
- if (writeable[ev[i]->GetFd()])
- {
- writeable[ev[i]->GetFd()] = false;
- if (ev[i])
- ev[i]->HandleEvent(EVENT_WRITE);
- }
- else
- {
- if (ev[i])
- ev[i]->HandleEvent(ev[i]->Readable() ? EVENT_READ : EVENT_WRITE);
- }
- }
- }
- }
-
- return result;
-}
-
-std::string SelectEngine::GetName()
-{
- return "select";
-}