2014-04-11 15:44:21 -07:00
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// Copyright 2014 Citra Emulator Project
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2014-12-16 21:38:14 -08:00
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// Licensed under GPLv2 or any later version
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2014-04-11 15:44:21 -07:00
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// Refer to the license.txt file included.
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#pragma once
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2014-05-18 18:43:29 -07:00
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#include <algorithm>
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2014-04-12 18:55:36 -07:00
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#include <map>
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2014-04-11 15:44:21 -07:00
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#include <string>
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2015-01-30 10:07:04 -08:00
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#include <unordered_map>
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#include <vector>
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2014-04-11 15:44:21 -07:00
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2014-04-13 13:33:45 -07:00
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#include "common/common.h"
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#include "common/string_util.h"
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#include "core/mem_map.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/session.h"
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#include "core/hle/svc.h"
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2014-04-11 15:44:21 -07:00
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Namespace Service
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namespace Service {
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2014-12-13 21:30:11 -08:00
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static const int kMaxPortSize = 8; ///< Maximum size of a port name (8 characters)
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class Manager;
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/// Interface to a CTROS service
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class Interface : public Kernel::Session {
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// TODO(yuriks): An "Interface" being a Kernel::Object is mostly non-sense. Interface should be
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// just something that encapsulates a session and acts as a helper to implement service
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// processes.
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friend class Manager;
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/**
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* Creates a function string for logging, complete with the name (or header code, depending
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* on what's passed in) the port name, and all the cmd_buff arguments.
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*/
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std::string MakeFunctionString(const std::string& name, const std::string& port_name, const u32* cmd_buff) {
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// Number of params == bits 0-5 + bits 6-11
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int num_params = (cmd_buff[0] & 0x3F) + ((cmd_buff[0] >> 6) & 0x3F);
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std::string function_string = Common::StringFromFormat("function '%s': port=%s", name.c_str(), port_name.c_str());
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for (int i = 1; i <= num_params; ++i) {
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function_string += Common::StringFromFormat(", cmd_buff[%i]=%u", i, cmd_buff[i]);
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}
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return function_string;
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}
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public:
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std::string GetName() const override { return GetPortName(); }
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typedef void (*Function)(Interface*);
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struct FunctionInfo {
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u32 id;
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Function func;
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std::string name;
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};
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2014-04-11 15:44:21 -07:00
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/**
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* Gets the string name used by CTROS for a service
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* @return Port name of service
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*/
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virtual std::string GetPortName() const {
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return "[UNKNOWN SERVICE PORT]";
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}
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/// Allocates a new handle for the service
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Handle CreateHandle(Kernel::Object *obj) {
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// TODO(yuriks): Fix error reporting
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Handle handle = Kernel::g_handle_table.Create(obj).ValueOr(INVALID_HANDLE);
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m_handles.push_back(handle);
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return handle;
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}
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/// Frees a handle from the service
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template <class T>
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void DeleteHandle(const Handle handle) {
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Kernel::g_handle_table.Close(handle);
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m_handles.erase(std::remove(m_handles.begin(), m_handles.end(), handle), m_handles.end());
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}
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ResultVal<bool> SyncRequest() override {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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auto itr = m_functions.find(cmd_buff[0]);
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if (itr == m_functions.end() || itr->second.func == nullptr) {
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std::string function_name = (itr == m_functions.end()) ? Common::StringFromFormat("0x%08X", cmd_buff[0]) : itr->second.name;
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LOG_ERROR(Service, "%s %s", "unknown/unimplemented", MakeFunctionString(function_name, GetPortName(), cmd_buff).c_str());
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// TODO(bunnei): Hack - ignore error
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cmd_buff[1] = 0;
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return MakeResult<bool>(false);
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} else {
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LOG_TRACE(Service, "%s", MakeFunctionString(itr->second.name, GetPortName(), cmd_buff).c_str());
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}
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itr->second.func(this);
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return MakeResult<bool>(false); // TODO: Implement return from actual function
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}
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2014-04-15 19:40:19 -07:00
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protected:
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2014-04-15 19:40:19 -07:00
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/**
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* Registers the functions in the service
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*/
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void Register(const FunctionInfo* functions, int len) {
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for (int i = 0; i < len; i++) {
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m_functions[functions[i].id] = functions[i];
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}
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}
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private:
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std::vector<Handle> m_handles;
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std::map<u32, FunctionInfo> m_functions;
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};
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/// Initialize ServiceManager
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void Init();
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/// Shutdown ServiceManager
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void Shutdown();
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/// Map of named ports managed by the kernel, which can be retrieved using the ConnectToPort SVC.
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extern std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_kernel_named_ports;
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/// Map of services registered with the "srv:" service, retrieved using GetServiceHandle.
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extern std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_srv_services;
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} // namespace
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