1 files changed, 143 insertions, 0 deletions
diff --git a/src/core/hle/service/service.h b/src/core/hle/service/service.h
new file mode 100644
index 000000000..9cbf8b6fa
--- /dev/null
+++ b/src/core/hle/service/service.h
@@ -0,0 +1,143 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+#include <map>
+#include <string>
+
+#include "common/common.h"
+#include "common/common_types.h"
+#include "core/hle/syscall.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace Service
+
+namespace Service {
+
+typedef s32 NativeUID;                          ///< Native handle for a service
+
+static const int kMaxPortSize           = 0x08; ///< Maximum size of a port name (8 characters)
+static const int kCommandHeaderOffset   = 0x80; ///< Offset into command buffer of header
+
+class Manager;
+
+/// Interface to a CTROS service
+class Interface {
+    friend class Manager;
+public:
+
+    Interface() {
+    }
+
+    virtual ~Interface() {
+    }
+
+    /**
+     * Gets the UID for the serice
+     * @return UID of service in native format
+     */
+    NativeUID GetUID() const {
+        return (NativeUID)m_uid;
+    }
+
+    /**
+     * Gets the string name used by CTROS for a service
+     * @return Port name of service
+     */
+    virtual std::string GetPortName() const {
+        return "[UNKNOWN SERVICE PORT]";
+    }
+
+    /**
+     * Called when svcSendSyncRequest is called, loads command buffer and executes comand
+     * @return Return result of svcSendSyncRequest passed back to user app
+     */
+    Syscall::Result Sync() {
+        u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + kCommandHeaderOffset);
+        auto itr = m_functions.find(cmd_buff[0]);
+
+        if (itr == m_functions.end()) {
+            ERROR_LOG(OSHLE, "Unknown/unimplemented function: port = %s, command = 0x%08X!", 
+                GetPortName().c_str(), cmd_buff[0]);
+            return -1;
+        }
+        if (itr->second.func == NULL) {
+            ERROR_LOG(OSHLE, "Unimplemented function: port = %s, name = %s!", 
+                GetPortName().c_str(), itr->second.name.c_str());
+            return -1;
+        } 
+
+        itr->second.func();
+
+        return 0; // TODO: Implement return from actual function
+    }
+
+protected:
+    /**
+     * Registers the functions in the service
+     */
+    void Register(const HLE::FunctionDef* functions, int len) {
+        for (int i = 0; i < len; i++) {
+            m_functions[functions[i].id] = functions[i];
+        }
+    }
+
+private:
+    u32 m_uid;
+    std::map<u32, HLE::FunctionDef> m_functions;
+
+    DISALLOW_COPY_AND_ASSIGN(Interface);
+};
+
+/// Simple class to manage accessing services from ports and UID handles
+class Manager {
+
+public:
+    Manager();
+
+    ~Manager();
+
+    /// Add a service to the manager (does not create it though)
+    void AddService(Interface* service);
+
+    /// Removes a service from the manager (does not delete it though)
+    void DeleteService(std::string port_name);
+
+    /// Get a Service Interface from its UID
+    Interface* FetchFromUID(u32 uid);
+
+    /// Get a Service Interface from its port
+    Interface* FetchFromPortName(std::string port_name);
+
+private:
+
+    /// Convert an index into m_services vector into a UID
+    static u32 GetUIDFromIndex(const int index) {
+        return index | 0x10000000;
+    }
+
+    /// Convert a UID into an index into m_services
+    static int GetIndexFromUID(const u32 uid) {
+        return uid & 0x0FFFFFFF;
+    }
+
+    std::vector<Interface*>     m_services;
+    std::map<std::string, u32>  m_port_map;
+
+    DISALLOW_COPY_AND_ASSIGN(Manager);
+};
+
+/// Initialize ServiceManager
+void Init();
+
+/// Shutdown ServiceManager
+void Shutdown();
+
+
+extern Manager* g_manager; ///< Service manager
+
+
+} // namespace