#include "include/common.hpp"
#include "include/IIPCChannel.hpp"
#include "include/CIPCChannel_AcessIPCPipe.hpp"
+#include <ipc_proto.hpp>
#include <algorithm>
+#include <mutex>
+#include <stdexcept>
#include <cstring>
#include <cstdio>
namespace AxWin {
IIPCChannel* gIPCChannel;
+::std::mutex glSyncReply;
+bool gSyncReplyValid;
+CDeserialiser gSyncReplyBuf;
extern "C" bool AxWin4_Connect(const char *URI)
{
extern "C" bool AxWin4_WaitEventQueue(uint64_t Timeout)
{
- AxWin4_WaitEventQueueSelect(0, NULL, NULL, NULL, Timeout);
+ return AxWin4_WaitEventQueueSelect(0, NULL, NULL, NULL, Timeout);
}
extern "C" bool AxWin4_WaitEventQueueSelect(int nFDs, fd_set *rfds, fd_set *wfds, fd_set *efds, uint64_t Timeout)
{
gIPCChannel->Send(message);
}
+void RecvMessage(CDeserialiser& message)
+{
+ uint8_t id = message.ReadU8();
+ switch(id)
+ {
+ case IPCMSG_REPLY:
+ // Flag reply and take a copy of this message
+ if( gSyncReplyValid )
+ {
+ // Oh... that was unexpected
+ _SysDebug("Unexpected second reply message %i", message.ReadU8());
+ }
+ else
+ {
+ gSyncReplyValid = true;
+ gSyncReplyBuf = message;
+ }
+ break;
+ default:
+ _SysDebug("TODO: RecvMessage(%i)", id);
+ break;
+ }
+}
+
+CDeserialiser GetSyncReply(CSerialiser& request, unsigned int Message)
+{
+ ::std::lock_guard<std::mutex> lock(glSyncReply);
+ gSyncReplyValid = false;
+ // Send once lock is acquired
+ SendMessage(request);
+
+ while( !gSyncReplyValid )
+ {
+ // Tick along
+ if( !AxWin4_WaitEventQueue(0) )
+ throw ::std::runtime_error("Connection dropped while waiting for reply");
+ }
+
+ uint8_t id = gSyncReplyBuf.ReadU8();
+ if( id != Message )
+ {
+ _SysDebug("Unexpected reply message '%i', message.ReadU8()");
+ }
+
+ return gSyncReplyBuf;
+}
+
+extern "C" void AxWin4_GetScreenDimensions(unsigned int ScreenIndex, unsigned int *Width, unsigned int *Height)
+{
+ CSerialiser req;
+ req.WriteU8(IPCMSG_GETGLOBAL);
+ req.WriteU16(IPC_GLOBATTR_SCREENDIMS);
+ req.WriteU8(ScreenIndex);
+
+ CDeserialiser response = GetSyncReply(req, IPCMSG_GETGLOBAL);
+ if( response.ReadU16() != IPC_GLOBATTR_SCREENDIMS ) {
+
+ }
+
+ *Width = response.ReadU16();
+ *Height = response.ReadU16();
+
+ _SysDebug("AxWin4_GetScreenDimensions: %i = %ix%i", ScreenIndex, *Width, *Height);
+}
IIPCChannel::~IIPCChannel()
{