From 8e25534912a580b86193665080e201edb50135aa Mon Sep 17 00:00:00 2001
From: Michael Scire <SciresM@gmail.com>
Date: Wed, 18 Apr 2018 08:57:06 -0600
Subject: [PATCH] Stratosphere: Skeleton templated IPC Server code

---
 stratosphere/loader/source/serviceserver.cpp  | 35 ++++++++++++++++++
 stratosphere/loader/source/serviceserver.hpp  | 24 ++++++++++++
 stratosphere/loader/source/servicesession.cpp |  4 ++
 stratosphere/loader/source/servicesession.hpp | 37 +++++++++++++++++++
 4 files changed, 100 insertions(+)
 create mode 100644 stratosphere/loader/source/serviceserver.cpp
 create mode 100644 stratosphere/loader/source/serviceserver.hpp
 create mode 100644 stratosphere/loader/source/servicesession.cpp
 create mode 100644 stratosphere/loader/source/servicesession.hpp

diff --git a/stratosphere/loader/source/serviceserver.cpp b/stratosphere/loader/source/serviceserver.cpp
new file mode 100644
index 000000000..9e428b262
--- /dev/null
+++ b/stratosphere/loader/source/serviceserver.cpp
@@ -0,0 +1,35 @@
+#include <switch.h>
+
+#include "serviceserver.hpp"
+
+template <typename T>
+ServiceServer<T>::ServiceServer(const char *service_name, unsigned int max_s) : max_sessions(max_s) {
+    if (R_FAILED(smRegisterService(&this->port_handle, service_name, false, this->max_sessions))) {
+        /* TODO: Panic. */
+    }
+    this->sessions = new ServiceSession<T> *[this->max_sessions];
+    for (unsigned int i = 0; i < this->max_sessions; i++) {
+        this->sessions[i] = NULL;
+    }
+}
+
+template <typename T>
+ServiceServer<T>::~ServiceServer()  {
+    for (unsigned int i = 0; i < this->max_sessions; i++) {
+        if (this->sessions[i]) {
+            delete this->sessions[i];
+        }
+        
+        delete this->sessions;
+    }
+    
+    if (port_handle) {
+        svcCloseHandle(port_handle);
+    }
+}
+
+template <typename T>
+Result ServiceServer<T>::process() {
+    /* TODO */
+    return 0;
+}
\ No newline at end of file
diff --git a/stratosphere/loader/source/serviceserver.hpp b/stratosphere/loader/source/serviceserver.hpp
new file mode 100644
index 000000000..817e2b127
--- /dev/null
+++ b/stratosphere/loader/source/serviceserver.hpp
@@ -0,0 +1,24 @@
+#pragma once
+#include <switch.h>
+#include <type_traits>
+
+#include "iserviceobject.hpp"
+#include "servicesession.hpp"
+
+template <typename T>
+class ServiceSession;
+
+template <typename T>
+class ServiceServer {
+    static_assert(std::is_base_of<IServiceObject, T>::value, "Service Objects must derive from IServiceObject");
+    
+    Handle port_handle;
+    unsigned int max_sessions;
+    ServiceSession<T> **sessions;
+    
+    public:
+        ServiceServer(const char *service_name, unsigned int max_s);
+        ~ServiceServer();
+        Result process();
+    
+};
\ No newline at end of file
diff --git a/stratosphere/loader/source/servicesession.cpp b/stratosphere/loader/source/servicesession.cpp
new file mode 100644
index 000000000..550eafa8f
--- /dev/null
+++ b/stratosphere/loader/source/servicesession.cpp
@@ -0,0 +1,4 @@
+#include <switch.h>
+
+#include "servicesession.hpp"
+
diff --git a/stratosphere/loader/source/servicesession.hpp b/stratosphere/loader/source/servicesession.hpp
new file mode 100644
index 000000000..76cbc508e
--- /dev/null
+++ b/stratosphere/loader/source/servicesession.hpp
@@ -0,0 +1,37 @@
+#pragma once
+#include <switch.h>
+#include <type_traits>
+
+#include "iserviceobject.hpp"
+#include "serviceserver.hpp"
+
+template <typename T>
+class ServiceServer;
+
+template <typename T>
+class ServiceSession {
+    static_assert(std::is_base_of<IServiceObject, T>::value, "Service Objects must derive from IServiceObject");
+    
+    T *service_object;
+    ServiceServer<T> *server;
+    Handle server_handle;
+    Handle client_handle;
+    public:
+        ServiceSession(ServiceServer<T> *s, Handle s_h, Handle c_h) : server(s), server_handle(s_h), client_handle(c_h) {
+            this->service_object = new T();
+        }
+        
+        ~ServiceSession() {
+            delete this->service_object;
+            if (server_handle) {
+                svcCloseHandle(server_handle);
+            }
+            if (client_handle) {
+                svcCloseHandle(client_handle);
+            }
+        }
+
+        T *get_service_object() { return this->service_object; }
+        Handle get_server_handle() { return this->server_handle; }
+        Handle get_client_handle() { return this->client_handle; }
+};
\ No newline at end of file