major overhaul of daemon plug-in module story. modules now talk to the

daemon through a table of function pointers.  this greatly simplifies the
linker magic required to allow the modules to talk with the daemon.

modules/ipc/testmodule/TestModule.cpp

@@ -1,9 +1,8 @@
 #include <stdio.h>
 #include "ipcModule.h"
 #include "ipcMessage.h"
-#include "ipcd.h"
 
-IPC_EXPORT ipcModule **IPC_GetModuleList();
+IPC_EXPORT int IPC_GetModules(ipcDaemonMethods *, ipcModuleEntry **);
 
 static const nsID TestModuleID =
 { /* e628fc6e-a6a7-48c7-adba-f241d1128fb8 */
@@ -13,38 +12,44 @@ static const nsID TestModuleID =
     {0xad, 0xba, 0xf2, 0x41, 0xd1, 0x12, 0x8f, 0xb8}
 };
 
-class TestModule : public ipcModule
+static ipcDaemonMethods *gDaemonMethods;
+
+struct TestModule
 {
-public:
-    void Shutdown()
+    static void Shutdown()
     {
         printf("*** TestModule::Shutdown\n");
     }
 
-    const nsID &ID()
-    {
-        printf("*** TestModule::ID\n");
-        return TestModuleID;
-    }
-
-    void HandleMsg(ipcClient *client, const ipcMessage *msg)
+    static void HandleMsg(ipcClientHandle client, const ipcMessage *msg)
     {
         printf("*** TestModule::HandleMsg [%s]\n", msg->Data());
-        ipcMessage *outMsg = new ipcMessage();
+        ipcMessage outMsg;
         static const char buf[] = "pong";
-        outMsg->Init(TestModuleID, buf, sizeof(buf));
-        IPC_SendMsg(client, outMsg);
+        outMsg.Init(TestModuleID, buf, sizeof(buf));
+        gDaemonMethods->sendMsg(client, &outMsg);
     }
 };
 
-ipcModule **
-IPC_GetModuleList()
+int
+IPC_GetModules(ipcDaemonMethods *daemonMeths, ipcModuleEntry **entries)
 {
-    static TestModule testMod;
-    static ipcModule *modules[2];
+    printf("*** testmodule: IPC_GetModules\n");
 
-    modules[0] = &testMod;
-    modules[1] = NULL;
+    static ipcModuleMethods methods =
+    {
+        IPC_MODULE_METHODS_VERSION,
+        TestModule::Shutdown,
+        TestModule::HandleMsg
+    };
+    static ipcModuleEntry moduleEntry =
+    {
+        TestModuleID,
+        &methods
+    };
 
-    return modules;
+    gDaemonMethods = daemonMeths;
+
+    *entries = &moduleEntry;
+    return 1;
 }