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#if defined(__sun__) && defined(__svr4__)
#include <port.h>
#include <sys/port_impl.h>
#endif
#include <unistd.h>
#include "mplexer.hh"
#include "sstuff.hh"
#include <iostream>
#include "misc.hh"
#include <boost/lexical_cast.hpp>
#include "syncres.hh"
#include "namespaces.hh"
#include "namespaces.hh"
class PortsFDMultiplexer : public FDMultiplexer
{
public:
PortsFDMultiplexer();
virtual ~PortsFDMultiplexer()
{
close(d_portfd);
}
virtual int run(struct timeval* tv);
virtual void addFD(callbackmap_t& cbmap, int fd, callbackfunc_t toDo, const boost::any& parameter);
virtual void removeFD(callbackmap_t& cbmap, int fd);
string getName()
{
return "solaris completion ports";
}
private:
int d_portfd;
boost::shared_array<port_event_t> d_pevents;
static int s_maxevents; // not a hard maximum
};
static FDMultiplexer* makePorts()
{
return new PortsFDMultiplexer();
}
static struct PortsRegisterOurselves
{
PortsRegisterOurselves() {
FDMultiplexer::getMultiplexerMap().insert(make_pair(0, &makePorts)); // priority 0!
}
} doItPorts;
int PortsFDMultiplexer::s_maxevents=1024;
PortsFDMultiplexer::PortsFDMultiplexer() : d_pevents(new port_event_t[s_maxevents])
{
d_portfd=port_create(); // not hard max
if(d_portfd < 0)
throw FDMultiplexerException("Setting up port: "+stringerror());
}
void PortsFDMultiplexer::addFD(callbackmap_t& cbmap, int fd, callbackfunc_t toDo, const boost::any& parameter)
{
accountingAddFD(cbmap, fd, toDo, parameter);
if(port_associate(d_portfd, PORT_SOURCE_FD, fd, (&cbmap == &d_readCallbacks) ? POLLIN : POLLOUT, 0) < 0) {
cbmap.erase(fd);
throw FDMultiplexerException("Adding fd to port set: "+stringerror());
}
}
void PortsFDMultiplexer::removeFD(callbackmap_t& cbmap, int fd)
{
if(!cbmap.erase(fd))
throw FDMultiplexerException("Tried to remove unlisted fd "+lexical_cast<string>(fd)+ " from multiplexer");
if(port_dissociate(d_portfd, PORT_SOURCE_FD, fd) < 0 && errno != ENOENT) // it appears under some circumstances, ENOENT will be returned, without this being an error. Apache has this same "fix"
throw FDMultiplexerException("Removing fd from port set: "+stringerror());
}
int PortsFDMultiplexer::run(struct timeval* now)
{
if(d_inrun) {
throw FDMultiplexerException("FDMultiplexer::run() is not reentrant!\n");
}
struct timespec timeout;
timeout.tv_sec=0; timeout.tv_nsec=500000000;
unsigned int numevents=1;
int ret= port_getn(d_portfd, d_pevents.get(), min(PORT_MAX_LIST, s_maxevents), &numevents, &timeout);
/* port_getn has an unusual API - (ret == -1, errno == ETIME) can
mean partial success; you must check (*numevents) in this case
and process anything in there, otherwise you'll never see any
events from that object again. We don't care about pure timeouts
(ret == -1, errno == ETIME, *numevents == 0) so we don't bother
with that case. */
if(ret == -1 && errno!=ETIME) {
if(errno!=EINTR)
throw FDMultiplexerException("completion port_getn returned error: "+stringerror());
// EINTR is not really an error
gettimeofday(now,0);
return 0;
}
gettimeofday(now,0);
if(!numevents) // nothing
return 0;
d_inrun=true;
for(unsigned int n=0; n < numevents; ++n) {
d_iter=d_readCallbacks.find(d_pevents[n].portev_object);
if(d_iter != d_readCallbacks.end()) {
d_iter->second.d_callback(d_iter->first, d_iter->second.d_parameter);
if(d_readCallbacks.count(d_pevents[n].portev_object) && port_associate(d_portfd, PORT_SOURCE_FD, d_pevents[n].portev_object,
POLLIN, 0) < 0)
throw FDMultiplexerException("Unable to add fd back to ports (read): "+stringerror());
continue; // so we don't find ourselves as writable again
}
d_iter=d_writeCallbacks.find(d_pevents[n].portev_object);
if(d_iter != d_writeCallbacks.end()) {
d_iter->second.d_callback(d_iter->first, d_iter->second.d_parameter);
if(d_writeCallbacks.count(d_pevents[n].portev_object) && port_associate(d_portfd, PORT_SOURCE_FD, d_pevents[n].portev_object,
POLLOUT, 0) < 0)
throw FDMultiplexerException("Unable to add fd back to ports (write): "+stringerror());
}
}
d_inrun=false;
return 0;
}
#if 0
void acceptData(int fd, boost::any& parameter)
{
cout<<"Have data on fd "<<fd<<endl;
Socket* sock=boost::any_cast<Socket*>(parameter);
string packet;
IPEndpoint rem;
sock->recvFrom(packet, rem);
cout<<"Received "<<packet.size()<<" bytes!\n";
}
int main()
{
Socket s(AF_INET, SOCK_DGRAM);
IPEndpoint loc("0.0.0.0", 2000);
s.bind(loc);
PortsFDMultiplexer sfm;
sfm.addReadFD(s.getHandle(), &acceptData, &s);
for(int n=0; n < 100 ; ++n) {
sfm.run();
}
sfm.removeReadFD(s.getHandle());
sfm.removeReadFD(s.getHandle());
}
#endif
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