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-rw-r--r--src/core/CMakeLists.txt7
-rw-r--r--src/core/hle/ipc.h (renamed from src/core/hle/kernel/session.h)96
-rw-r--r--src/core/hle/kernel/client_port.cpp32
-rw-r--r--src/core/hle/kernel/client_port.h13
-rw-r--r--src/core/hle/kernel/client_session.cpp40
-rw-r--r--src/core/hle/kernel/client_session.h65
-rw-r--r--src/core/hle/kernel/kernel.h37
-rw-r--r--src/core/hle/kernel/server_port.cpp4
-rw-r--r--src/core/hle/kernel/server_port.h14
-rw-r--r--src/core/hle/kernel/server_session.cpp79
-rw-r--r--src/core/hle/kernel/server_session.h94
-rw-r--r--src/core/hle/result.h1
-rw-r--r--src/core/hle/service/apt/apt.h3
-rw-r--r--src/core/hle/service/apt/apt_a.cpp2
-rw-r--r--src/core/hle/service/apt/apt_s.cpp2
-rw-r--r--src/core/hle/service/apt/apt_u.cpp2
-rw-r--r--src/core/hle/service/fs/archive.cpp40
-rw-r--r--src/core/hle/service/fs/archive.h32
-rw-r--r--src/core/hle/service/fs/fs_user.cpp33
-rw-r--r--src/core/hle/service/service.cpp42
-rw-r--r--src/core/hle/service/service.h88
-rw-r--r--src/core/hle/service/soc_u.cpp2
-rw-r--r--src/core/hle/service/srv.cpp14
-rw-r--r--src/core/hle/svc.cpp19
24 files changed, 591 insertions, 170 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index e26677079..7b3b4389a 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -38,6 +38,7 @@ set(SRCS
hle/applets/swkbd.cpp
hle/kernel/address_arbiter.cpp
hle/kernel/client_port.cpp
+ hle/kernel/client_session.cpp
hle/kernel/event.cpp
hle/kernel/kernel.cpp
hle/kernel/memory.cpp
@@ -46,7 +47,7 @@ set(SRCS
hle/kernel/resource_limit.cpp
hle/kernel/semaphore.cpp
hle/kernel/server_port.cpp
- hle/kernel/session.cpp
+ hle/kernel/server_session.cpp
hle/kernel/shared_memory.cpp
hle/kernel/thread.cpp
hle/kernel/timer.cpp
@@ -194,12 +195,14 @@ set(HEADERS
hle/config_mem.h
hle/function_wrappers.h
hle/hle.h
+ hle/ipc.h
hle/applets/applet.h
hle/applets/erreula.h
hle/applets/mii_selector.h
hle/applets/swkbd.h
hle/kernel/address_arbiter.h
hle/kernel/client_port.h
+ hle/kernel/client_session.h
hle/kernel/event.h
hle/kernel/kernel.h
hle/kernel/memory.h
@@ -208,7 +211,7 @@ set(HEADERS
hle/kernel/resource_limit.h
hle/kernel/semaphore.h
hle/kernel/server_port.h
- hle/kernel/session.h
+ hle/kernel/server_session.h
hle/kernel/shared_memory.h
hle/kernel/thread.h
hle/kernel/timer.h
diff --git a/src/core/hle/kernel/session.h b/src/core/hle/ipc.h
index ec025f732..4e094faa7 100644
--- a/src/core/hle/kernel/session.h
+++ b/src/core/hle/ipc.h
@@ -1,17 +1,31 @@
-// Copyright 2014 Citra Emulator Project
+// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
-#include <string>
-#include "common/assert.h"
#include "common/common_types.h"
-#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/thread.h"
-#include "core/hle/result.h"
#include "core/memory.h"
+namespace Kernel {
+
+static const int kCommandHeaderOffset = 0x80; ///< Offset into command buffer of header
+
+/**
+ * Returns a pointer to the command buffer in the current thread's TLS
+ * TODO(Subv): This is not entirely correct, the command buffer should be copied from
+ * the thread's TLS to an intermediate buffer in kernel memory, and then copied again to
+ * the service handler process' memory.
+ * @param offset Optional offset into command buffer
+ * @return Pointer to command buffer
+ */
+inline u32* GetCommandBuffer(const int offset = 0) {
+ return (u32*)Memory::GetPointer(GetCurrentThread()->GetTLSAddress() + kCommandHeaderOffset +
+ offset);
+}
+}
+
namespace IPC {
enum DescriptorType : u32 {
@@ -144,75 +158,3 @@ inline DescriptorType GetDescriptorType(u32 descriptor) {
}
} // namespace IPC
-
-namespace Kernel {
-
-static const int kCommandHeaderOffset = 0x80; ///< Offset into command buffer of header
-
-/**
- * Returns a pointer to the command buffer in the current thread's TLS
- * TODO(Subv): This is not entirely correct, the command buffer should be copied from
- * the thread's TLS to an intermediate buffer in kernel memory, and then copied again to
- * the service handler process' memory.
- * @param offset Optional offset into command buffer
- * @return Pointer to command buffer
- */
-inline u32* GetCommandBuffer(const int offset = 0) {
- return (u32*)Memory::GetPointer(GetCurrentThread()->GetTLSAddress() + kCommandHeaderOffset +
- offset);
-}
-
-/**
- * Kernel object representing the client endpoint of an IPC session. Sessions are the basic CTR-OS
- * primitive for communication between different processes, and are used to implement service calls
- * to the various system services.
- *
- * To make a service call, the client must write the command header and parameters to the buffer
- * located at offset 0x80 of the TLS (Thread-Local Storage) area, then execute a SendSyncRequest
- * SVC call with its Session handle. The kernel will read the command header, using it to marshall
- * the parameters to the process at the server endpoint of the session. After the server replies to
- * the request, the response is marshalled back to the caller's TLS buffer and control is
- * transferred back to it.
- *
- * In Citra, only the client endpoint is currently implemented and only HLE calls, where the IPC
- * request is answered by C++ code in the emulator, are supported. When SendSyncRequest is called
- * with the session handle, this class's SyncRequest method is called, which should read the TLS
- * buffer and emulate the call accordingly. Since the code can directly read the emulated memory,
- * no parameter marshalling is done.
- *
- * In the long term, this should be turned into the full-fledged IPC mechanism implemented by
- * CTR-OS so that IPC calls can be optionally handled by the real implementations of processes, as
- * opposed to HLE simulations.
- */
-class Session : public WaitObject {
-public:
- Session();
- ~Session() override;
-
- std::string GetTypeName() const override {
- return "Session";
- }
-
- static const HandleType HANDLE_TYPE = HandleType::Session;
- HandleType GetHandleType() const override {
- return HANDLE_TYPE;
- }
-
- /**
- * Handles a synchronous call to this session using HLE emulation. Emulated <-> emulated calls
- * aren't supported yet.
- */
- virtual ResultVal<bool> SyncRequest() = 0;
-
- // TODO(bunnei): These functions exist to satisfy a hardware test with a Session object
- // passed into WaitSynchronization. Figure out the meaning of them.
-
- bool ShouldWait() override {
- return true;
- }
-
- void Acquire() override {
- ASSERT_MSG(!ShouldWait(), "object unavailable!");
- }
-};
-}
diff --git a/src/core/hle/kernel/client_port.cpp b/src/core/hle/kernel/client_port.cpp
index aedc6f989..22645f4ec 100644
--- a/src/core/hle/kernel/client_port.cpp
+++ b/src/core/hle/kernel/client_port.cpp
@@ -4,12 +4,44 @@
#include "common/assert.h"
#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/server_port.h"
+#include "core/hle/kernel/server_session.h"
namespace Kernel {
ClientPort::ClientPort() {}
ClientPort::~ClientPort() {}
+ResultVal<SharedPtr<ClientSession>> ClientPort::Connect() {
+ // Note: Threads do not wait for the server endpoint to call
+ // AcceptSession before returning from this call.
+
+ if (active_sessions >= max_sessions) {
+ // TODO(Subv): Return an error code in this situation after session disconnection is
+ // implemented.
+ /*return ResultCode(ErrorDescription::MaxConnectionsReached,
+ ErrorModule::OS, ErrorSummary::WouldBlock,
+ ErrorLevel::Temporary);*/
+ }
+ active_sessions++;
+
+ // Create a new session pair, let the created sessions inherit the parent port's HLE handler.
+ auto sessions =
+ ServerSession::CreateSessionPair(server_port->GetName(), server_port->hle_handler);
+ auto client_session = std::get<SharedPtr<ClientSession>>(sessions);
+ auto server_session = std::get<SharedPtr<ServerSession>>(sessions);
+
+ if (server_port->hle_handler)
+ server_port->hle_handler->ClientConnected(server_session);
+
+ server_port->pending_sessions.push_back(std::move(server_session));
+
+ // Wake the threads waiting on the ServerPort
+ server_port->WakeupAllWaitingThreads();
+
+ return MakeResult<SharedPtr<ClientSession>>(std::move(client_session));
+}
+
} // namespace
diff --git a/src/core/hle/kernel/client_port.h b/src/core/hle/kernel/client_port.h
index d28147718..511490c7c 100644
--- a/src/core/hle/kernel/client_port.h
+++ b/src/core/hle/kernel/client_port.h
@@ -11,8 +11,9 @@
namespace Kernel {
class ServerPort;
+class ClientSession;
-class ClientPort : public Object {
+class ClientPort final : public Object {
public:
friend class ServerPort;
std::string GetTypeName() const override {
@@ -27,12 +28,20 @@ public:
return HANDLE_TYPE;
}
+ /**
+ * Creates a new Session pair, adds the created ServerSession to the associated ServerPort's
+ * list of pending sessions, and signals the ServerPort, causing any threads
+ * waiting on it to awake.
+ * @returns ClientSession The client endpoint of the created Session pair, or error code.
+ */
+ ResultVal<SharedPtr<ClientSession>> Connect();
+
SharedPtr<ServerPort> server_port; ///< ServerPort associated with this client port.
u32 max_sessions; ///< Maximum number of simultaneous sessions the port can have
u32 active_sessions; ///< Number of currently open sessions to this port
std::string name; ///< Name of client port (optional)
-protected:
+private:
ClientPort();
~ClientPort() override;
};
diff --git a/src/core/hle/kernel/client_session.cpp b/src/core/hle/kernel/client_session.cpp
new file mode 100644
index 000000000..0331386ec
--- /dev/null
+++ b/src/core/hle/kernel/client_session.cpp
@@ -0,0 +1,40 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+
+#include "core/hle/kernel/client_session.h"
+#include "core/hle/kernel/server_session.h"
+
+namespace Kernel {
+
+ClientSession::ClientSession() = default;
+ClientSession::~ClientSession() {
+ // This destructor will be called automatically when the last ClientSession handle is closed by
+ // the emulated application.
+
+ if (server_session->hle_handler)
+ server_session->hle_handler->ClientDisconnected(server_session);
+
+ // TODO(Subv): If the session is still open, set the connection status to 2 (Closed by client),
+ // wake up all the ServerSession's waiting threads and set the WaitSynchronization result to
+ // 0xC920181A.
+}
+
+ResultVal<SharedPtr<ClientSession>> ClientSession::Create(ServerSession* server_session,
+ std::string name) {
+ SharedPtr<ClientSession> client_session(new ClientSession);
+
+ client_session->name = std::move(name);
+ client_session->server_session = server_session;
+ client_session->session_status = SessionStatus::Open;
+ return MakeResult<SharedPtr<ClientSession>>(std::move(client_session));
+}
+
+ResultCode ClientSession::SendSyncRequest() {
+ // Signal the server session that new data is available
+ return server_session->HandleSyncRequest();
+}
+
+} // namespace
diff --git a/src/core/hle/kernel/client_session.h b/src/core/hle/kernel/client_session.h
new file mode 100644
index 000000000..ed468dec6
--- /dev/null
+++ b/src/core/hle/kernel/client_session.h
@@ -0,0 +1,65 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <string>
+
+#include "common/common_types.h"
+
+#include "core/hle/kernel/kernel.h"
+
+namespace Kernel {
+
+class ServerSession;
+
+enum class SessionStatus {
+ Open = 1,
+ ClosedByClient = 2,
+ ClosedBYServer = 3,
+};
+
+class ClientSession final : public Object {
+public:
+ friend class ServerSession;
+
+ std::string GetTypeName() const override {
+ return "ClientSession";
+ }
+
+ std::string GetName() const override {
+ return name;
+ }
+
+ static const HandleType HANDLE_TYPE = HandleType::ClientSession;
+ HandleType GetHandleType() const override {
+ return HANDLE_TYPE;
+ }
+
+ /**
+ * Sends an SyncRequest from the current emulated thread.
+ * @return ResultCode of the operation.
+ */
+ ResultCode SendSyncRequest();
+
+ std::string name; ///< Name of client port (optional)
+ ServerSession* server_session; ///< The server session associated with this client session.
+ SessionStatus session_status; ///< The session's current status.
+
+private:
+ ClientSession();
+ ~ClientSession() override;
+
+ /**
+ * Creates a client session.
+ * @param server_session The server session associated with this client session
+ * @param name Optional name of client session
+ * @return The created client session
+ */
+ static ResultVal<SharedPtr<ClientSession>> Create(ServerSession* server_session,
+ std::string name = "Unknown");
+};
+
+} // namespace
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 231cf7b75..0b811c5a7 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -31,22 +31,21 @@ enum KernelHandle : Handle {
};
enum class HandleType : u32 {
- Unknown = 0,
-
- Session = 2,
- Event = 3,
- Mutex = 4,
- SharedMemory = 5,
- Redirection = 6,
- Thread = 7,
- Process = 8,
- AddressArbiter = 9,
- Semaphore = 10,
- Timer = 11,
- ResourceLimit = 12,
- CodeSet = 13,
- ClientPort = 14,
- ServerPort = 15,
+ Unknown,
+ Event,
+ Mutex,
+ SharedMemory,
+ Thread,
+ Process,
+ AddressArbiter,
+ Semaphore,
+ Timer,
+ ResourceLimit,
+ CodeSet,
+ ClientPort,
+ ServerPort,
+ ClientSession,
+ ServerSession,
};
enum {
@@ -82,23 +81,23 @@ public:
*/
bool IsWaitable() const {
switch (GetHandleType()) {
- case HandleType::Session:
- case HandleType::ServerPort:
case HandleType::Event:
case HandleType::Mutex:
case HandleType::Thread:
case HandleType::Semaphore:
case HandleType::Timer:
+ case HandleType::ServerPort:
+ case HandleType::ServerSession:
return true;
case HandleType::Unknown:
case HandleType::SharedMemory:
- case HandleType::Redirection:
case HandleType::Process:
case HandleType::AddressArbiter:
case HandleType::ResourceLimit:
case HandleType::CodeSet:
case HandleType::ClientPort:
+ case HandleType::ClientSession:
return false;
}
}
diff --git a/src/core/hle/kernel/server_port.cpp b/src/core/hle/kernel/server_port.cpp
index 8e3ec8a14..6c19aa7c0 100644
--- a/src/core/hle/kernel/server_port.cpp
+++ b/src/core/hle/kernel/server_port.cpp
@@ -24,12 +24,14 @@ void ServerPort::Acquire() {
}
std::tuple<SharedPtr<ServerPort>, SharedPtr<ClientPort>> ServerPort::CreatePortPair(
- u32 max_sessions, std::string name) {
+ u32 max_sessions, std::string name,
+ std::shared_ptr<Service::SessionRequestHandler> hle_handler) {
SharedPtr<ServerPort> server_port(new ServerPort);
SharedPtr<ClientPort> client_port(new ClientPort);
server_port->name = name + "_Server";
+ server_port->hle_handler = std::move(hle_handler);
client_port->name = name + "_Client";
client_port->server_port = server_port;
client_port->max_sessions = max_sessions;
diff --git a/src/core/hle/kernel/server_port.h b/src/core/hle/kernel/server_port.h
index fa9448ca0..b0f8df62c 100644
--- a/src/core/hle/kernel/server_port.h
+++ b/src/core/hle/kernel/server_port.h
@@ -4,11 +4,16 @@
#pragma once
+#include <memory>
#include <string>
#include <tuple>
#include "common/common_types.h"
#include "core/hle/kernel/kernel.h"
+namespace Service {
+class SessionRequestHandler;
+}
+
namespace Kernel {
class ClientPort;
@@ -19,10 +24,13 @@ public:
* Creates a pair of ServerPort and an associated ClientPort.
* @param max_sessions Maximum number of sessions to the port
* @param name Optional name of the ports
+ * @param hle_handler Optional HLE handler template for the port,
+ * ServerSessions crated from this port will inherit a reference to this handler.
* @return The created port tuple
*/
static std::tuple<SharedPtr<ServerPort>, SharedPtr<ClientPort>> CreatePortPair(
- u32 max_sessions, std::string name = "UnknownPort");
+ u32 max_sessions, std::string name = "UnknownPort",
+ std::shared_ptr<Service::SessionRequestHandler> hle_handler = nullptr);
std::string GetTypeName() const override {
return "ServerPort";
@@ -41,6 +49,10 @@ public:
std::vector<SharedPtr<WaitObject>>
pending_sessions; ///< ServerSessions waiting to be accepted by the port
+ /// This session's HLE request handler template (optional)
+ /// ServerSessions created from this port inherit a reference to this handler.
+ std::shared_ptr<Service::SessionRequestHandler> hle_handler;
+
bool ShouldWait() override;
void Acquire() override;
diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp
new file mode 100644
index 000000000..146458c1c
--- /dev/null
+++ b/src/core/hle/kernel/server_session.cpp
@@ -0,0 +1,79 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <tuple>
+
+#include "core/hle/kernel/client_session.h"
+#include "core/hle/kernel/server_session.h"
+#include "core/hle/kernel/thread.h"
+
+namespace Kernel {
+
+ServerSession::ServerSession() = default;
+ServerSession::~ServerSession() {
+ // This destructor will be called automatically when the last ServerSession handle is closed by
+ // the emulated application.
+ // TODO(Subv): Reduce the ClientPort's connection count,
+ // if the session is still open, set the connection status to 3 (Closed by server),
+}
+
+ResultVal<SharedPtr<ServerSession>> ServerSession::Create(
+ std::string name, std::shared_ptr<Service::SessionRequestHandler> hle_handler) {
+ SharedPtr<ServerSession> server_session(new ServerSession);
+
+ server_session->name = std::move(name);
+ server_session->signaled = false;
+ server_session->hle_handler = std::move(hle_handler);
+
+ return MakeResult<SharedPtr<ServerSession>>(std::move(server_session));
+}
+
+bool ServerSession::ShouldWait() {
+ return !signaled;
+}
+
+void ServerSession::Acquire() {
+ ASSERT_MSG(!ShouldWait(), "object unavailable!");
+ signaled = false;
+}
+
+ResultCode ServerSession::HandleSyncRequest() {
+ // The ServerSession received a sync request, this means that there's new data available
+ // from its ClientSession, so wake up any threads that may be waiting on a svcReplyAndReceive or
+ // similar.
+
+ // If this ServerSession has an associated HLE handler, forward the request to it.
+ if (hle_handler != nullptr) {
+ // Attempt to translate the incoming request's command buffer.
+ ResultCode result = TranslateHLERequest(this);
+ if (result.IsError())
+ return result;
+ hle_handler->HandleSyncRequest(SharedPtr<ServerSession>(this));
+ // TODO(Subv): Translate the response command buffer.
+ }
+
+ // If this ServerSession does not have an HLE implementation, just wake up the threads waiting
+ // on it.
+ signaled = true;
+ WakeupAllWaitingThreads();
+ return RESULT_SUCCESS;
+}
+
+ServerSession::SessionPair ServerSession::CreateSessionPair(
+ const std::string& name, std::shared_ptr<Service::SessionRequestHandler> hle_handler) {
+ auto server_session =
+ ServerSession::Create(name + "_Server", std::move(hle_handler)).MoveFrom();
+ // We keep a non-owning pointer to the ServerSession in the ClientSession because we don't want
+ // to prevent the ServerSession's destructor from being called when the emulated
+ // application closes the last ServerSession handle.
+ auto client_session = ClientSession::Create(server_session.get(), name + "_Client").MoveFrom();
+
+ return std::make_tuple(std::move(server_session), std::move(client_session));
+}
+
+ResultCode TranslateHLERequest(ServerSession* server_session) {
+ // TODO(Subv): Implement this function once multiple concurrent processes are supported.
+ return RESULT_SUCCESS;
+}
+}
diff --git a/src/core/hle/kernel/server_session.h b/src/core/hle/kernel/server_session.h
new file mode 100644
index 000000000..458284a5d
--- /dev/null
+++ b/src/core/hle/kernel/server_session.h
@@ -0,0 +1,94 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <string>
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/thread.h"
+#include "core/hle/result.h"
+#include "core/hle/service/service.h"
+#include "core/memory.h"
+
+namespace Kernel {
+
+class ClientSession;
+
+/**
+ * Kernel object representing the server endpoint of an IPC session. Sessions are the basic CTR-OS
+ * primitive for communication between different processes, and are used to implement service calls
+ * to the various system services.
+ *
+ * To make a service call, the client must write the command header and parameters to the buffer
+ * located at offset 0x80 of the TLS (Thread-Local Storage) area, then execute a SendSyncRequest
+ * SVC call with its ClientSession handle. The kernel will read the command header, using it to
+ * marshall the parameters to the process at the server endpoint of the session.
+ * After the server replies to the request, the response is marshalled back to the caller's
+ * TLS buffer and control is transferred back to it.
+ */
+class ServerSession final : public WaitObject {
+public:
+ std::string GetTypeName() const override {
+ return "ServerSession";
+ }
+
+ static const HandleType HANDLE_TYPE = HandleType::ServerSession;
+ HandleType GetHandleType() const override {
+ return HANDLE_TYPE;
+ }
+
+ using SessionPair = std::tuple<SharedPtr<ServerSession>, SharedPtr<ClientSession>>;
+
+ /**
+ * Creates a pair of ServerSession and an associated ClientSession.
+ * @param name Optional name of the ports
+ * @return The created session tuple
+ */
+ static SessionPair CreateSessionPair(
+ const std::string& name = "Unknown",
+ std::shared_ptr<Service::SessionRequestHandler> hle_handler = nullptr);
+
+ /**
+ * Handle a sync request from the emulated application.
+ * @returns ResultCode from the operation.
+ */
+ ResultCode HandleSyncRequest();
+
+ bool ShouldWait() override;
+
+ void Acquire() override;
+
+ std::string name; ///< The name of this session (optional)
+ bool signaled; ///< Whether there's new data available to this ServerSession
+ std::shared_ptr<Service::SessionRequestHandler>
+ hle_handler; ///< This session's HLE request handler (optional)
+
+private:
+ ServerSession();
+ ~ServerSession() override;
+
+ /**
+ * Creates a server session. The server session can have an optional HLE handler,
+ * which will be invoked to handle the IPC requests that this session receives.
+ * @param name Optional name of the server session.
+ * @param hle_handler Optional HLE handler for this server session.
+ * @return The created server session
+ */
+ static ResultVal<SharedPtr<ServerSession>> Create(
+ std::string name = "Unknown",
+ std::shared_ptr<Service::SessionRequestHandler> hle_handler = nullptr);
+};
+
+/**
+ * Performs command buffer translation for an HLE IPC request.
+ * The command buffer from the ServerSession thread's TLS is copied into a
+ * buffer and all descriptors in the buffer are processed.
+ * TODO(Subv): Implement this function, currently we do not support multiple processes running at
+ * once, but once that is implemented we'll need to properly translate all descriptors
+ * in the command buffer.
+ */
+ResultCode TranslateHLERequest(ServerSession* server_session);
+}
diff --git a/src/core/hle/result.h b/src/core/hle/result.h
index 8d29117a8..53864a3a7 100644
--- a/src/core/hle/result.h
+++ b/src/core/hle/result.h
@@ -18,6 +18,7 @@ enum class ErrorDescription : u32 {
Success = 0,
WrongPermission = 46,
OS_InvalidBufferDescriptor = 48,
+ MaxConnectionsReached = 52,
WrongAddress = 53,
FS_ArchiveNotMounted = 101,
FS_FileNotFound = 112,
diff --git a/src/core/hle/service/apt/apt.h b/src/core/hle/service/apt/apt.h
index e6a8be870..80325361f 100644
--- a/src/core/hle/service/apt/apt.h
+++ b/src/core/hle/service/apt/apt.h
@@ -14,6 +14,9 @@ class Interface;
namespace APT {
+/// Each APT service can only have up to 2 sessions connected at the same time.
+static const u32 MaxAPTSessions = 2;
+
/// Holds information about the parameters used in Send/Glance/ReceiveParameter
struct MessageParameter {
u32 sender_id = 0;
diff --git a/src/core/hle/service/apt/apt_a.cpp b/src/core/hle/service/apt/apt_a.cpp
index 6e35e1d29..62dc2d61d 100644
--- a/src/core/hle/service/apt/apt_a.cpp
+++ b/src/core/hle/service/apt/apt_a.cpp
@@ -102,7 +102,7 @@ const Interface::FunctionInfo FunctionTable[] = {
{0x01050100, nullptr, "IsTitleAllowed"},
};
-APT_A_Interface::APT_A_Interface() {
+APT_A_Interface::APT_A_Interface() : Interface(MaxAPTSessions) {
Register(FunctionTable);
}
diff --git a/src/core/hle/service/apt/apt_s.cpp b/src/core/hle/service/apt/apt_s.cpp
index 84019e6e5..effd23dce 100644
--- a/src/core/hle/service/apt/apt_s.cpp
+++ b/src/core/hle/service/apt/apt_s.cpp
@@ -102,7 +102,7 @@ const Interface::FunctionInfo FunctionTable[] = {
{0x01050100, nullptr, "IsTitleAllowed"},
};
-APT_S_Interface::APT_S_Interface() {
+APT_S_Interface::APT_S_Interface() : Interface(MaxAPTSessions) {
Register(FunctionTable);
}
diff --git a/src/core/hle/service/apt/apt_u.cpp b/src/core/hle/service/apt/apt_u.cpp
index a731c39f6..e06084a1e 100644
--- a/src/core/hle/service/apt/apt_u.cpp
+++ b/src/core/hle/service/apt/apt_u.cpp
@@ -99,7 +99,7 @@ const Interface::FunctionInfo FunctionTable[] = {
{0x01020000, CheckNew3DS, "CheckNew3DS"},
};
-APT_U_Interface::APT_U_Interface() {
+APT_U_Interface::APT_U_Interface() : Interface(MaxAPTSessions) {
Register(FunctionTable);
}
diff --git a/src/core/hle/service/fs/archive.cpp b/src/core/hle/service/fs/archive.cpp
index bef75f5df..f21934108 100644
--- a/src/core/hle/service/fs/archive.cpp
+++ b/src/core/hle/service/fs/archive.cpp
@@ -24,6 +24,7 @@
#include "core/file_sys/directory_backend.h"
#include "core/file_sys/file_backend.h"
#include "core/hle/hle.h"
+#include "core/hle/kernel/client_session.h"
#include "core/hle/result.h"
#include "core/hle/service/fs/archive.h"
#include "core/hle/service/fs/fs_user.h"
@@ -93,7 +94,7 @@ File::File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path&
File::~File() {}
-ResultVal<bool> File::SyncRequest() {
+void File::HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) {
u32* cmd_buff = Kernel::GetCommandBuffer();
FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
switch (cmd) {
@@ -116,7 +117,7 @@ ResultVal<bool> File::SyncRequest() {
ResultVal<size_t> read = backend->Read(offset, data.size(), data.data());
if (read.Failed()) {
cmd_buff[1] = read.Code().raw;
- return read.Code();
+ return;
}
Memory::WriteBlock(address, data.data(), *read);
cmd_buff[2] = static_cast<u32>(*read);
@@ -137,7 +138,7 @@ ResultVal<bool> File::SyncRequest() {
ResultVal<size_t> written = backend->Write(offset, data.size(), flush != 0, data.data());
if (written.Failed()) {
cmd_buff[1] = written.Code().raw;
- return written.Code();
+ return;
}
cmd_buff[2] = static_cast<u32>(*written);
break;
@@ -173,7 +174,11 @@ ResultVal<bool> File::SyncRequest() {
case FileCommand::OpenLinkFile: {
LOG_WARNING(Service_FS, "(STUBBED) File command OpenLinkFile %s", GetName().c_str());
- cmd_buff[3] = Kernel::g_handle_table.Create(this).ValueOr(INVALID_HANDLE);
+ auto sessions = Kernel::ServerSession::CreateSessionPair(GetName(), shared_from_this());
+ ClientConnected(std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions));
+ cmd_buff[3] = Kernel::g_handle_table
+ .Create(std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions))
+ .ValueOr(INVALID_HANDLE);
break;
}
@@ -194,10 +199,9 @@ ResultVal<bool> File::SyncRequest() {
LOG_ERROR(Service_FS, "Unknown command=0x%08X!", cmd);
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
- return error;
+ return;
}
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
- return MakeResult<bool>(false);
}
Directory::Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend,
@@ -206,11 +210,10 @@ Directory::Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend,
Directory::~Directory() {}
-ResultVal<bool> Directory::SyncRequest() {
+void Directory::HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) {
u32* cmd_buff = Kernel::GetCommandBuffer();
DirectoryCommand cmd = static_cast<DirectoryCommand>(cmd_buff[0]);
switch (cmd) {
-
// Read from directory...
case DirectoryCommand::Read: {
u32 count = cmd_buff[1];
@@ -237,10 +240,9 @@ ResultVal<bool> Directory::SyncRequest() {
LOG_ERROR(Service_FS, "Unknown command=0x%08X!", cmd);
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
- return MakeResult<bool>(false);
+ return;
}
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
- return MakeResult<bool>(false);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -307,9 +309,9 @@ ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factor
return RESULT_SUCCESS;
}
-ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
- const FileSys::Path& path,
- const FileSys::Mode mode) {
+ResultVal<std::shared_ptr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
+ const FileSys::Path& path,
+ const FileSys::Mode mode) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return ERR_INVALID_ARCHIVE_HANDLE;
@@ -318,8 +320,8 @@ ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_han
if (backend.Failed())
return backend.Code();
- auto file = Kernel::SharedPtr<File>(new File(backend.MoveFrom(), path));
- return MakeResult<Kernel::SharedPtr<File>>(std::move(file));
+ auto file = std::shared_ptr<File>(new File(backend.MoveFrom(), path));
+ return MakeResult<std::shared_ptr<File>>(std::move(file));
}
ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
@@ -398,8 +400,8 @@ ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle,
}
}
-ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
- const FileSys::Path& path) {
+ResultVal<std::shared_ptr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
+ const FileSys::Path& path) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return ERR_INVALID_ARCHIVE_HANDLE;
@@ -408,8 +410,8 @@ ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle a
if (backend.Failed())
return backend.Code();
- auto directory = Kernel::SharedPtr<Directory>(new Directory(backend.MoveFrom(), path));
- return MakeResult<Kernel::SharedPtr<Directory>>(std::move(directory));
+ auto directory = std::shared_ptr<Directory>(new Directory(backend.MoveFrom(), path));
+ return MakeResult<std::shared_ptr<Directory>>(std::move(directory));
}
ResultVal<u64> GetFreeBytesInArchive(ArchiveHandle archive_handle) {
diff --git a/src/core/hle/service/fs/archive.h b/src/core/hle/service/fs/archive.h
index 87089bd92..7ba62ede0 100644
--- a/src/core/hle/service/fs/archive.h
+++ b/src/core/hle/service/fs/archive.h
@@ -8,7 +8,7 @@
#include <string>
#include "common/common_types.h"
#include "core/file_sys/archive_backend.h"
-#include "core/hle/kernel/session.h"
+#include "core/hle/kernel/server_session.h"
#include "core/hle/result.h"
namespace FileSys {
@@ -43,33 +43,37 @@ enum class MediaType : u32 { NAND = 0, SDMC = 1, GameCard = 2 };
typedef u64 ArchiveHandle;
-class File : public Kernel::Session {
+class File final : public SessionRequestHandler, public std::enable_shared_from_this<File> {
public:
File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& path);
~File();
- std::string GetName() const override {
+ std::string GetName() const {
return "Path: " + path.DebugStr();
}
- ResultVal<bool> SyncRequest() override;
FileSys::Path path; ///< Path of the file
u32 priority; ///< Priority of the file. TODO(Subv): Find out what this means
std::unique_ptr<FileSys::FileBackend> backend; ///< File backend interface
+
+protected:
+ void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override;
};
-class Directory : public Kernel::Session {
+class Directory final : public SessionRequestHandler {
public:
Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, const FileSys::Path& path);
~Directory();
- std::string GetName() const override {
+ std::string GetName() const {
return "Directory: " + path.DebugStr();
}
- ResultVal<bool> SyncRequest() override;
FileSys::Path path; ///< Path of the directory
std::unique_ptr<FileSys::DirectoryBackend> backend; ///< File backend interface
+
+protected:
+ void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override;
};
/**
@@ -99,11 +103,11 @@ ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factor
* @param archive_handle Handle to an open Archive object
* @param path Path to the File inside of the Archive
* @param mode Mode under which to open the File
- * @return The opened File object as a Session
+ * @return The opened File object
*/
-ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
- const FileSys::Path& path,
- const FileSys::Mode mode);
+ResultVal<std::shared_ptr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
+ const FileSys::Path& path,
+ const FileSys::Mode mode);
/**
* Delete a File from an Archive
@@ -178,10 +182,10 @@ ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle,
* Open a Directory from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the Directory inside of the Archive
- * @return The opened Directory object as a Session
+ * @return The opened Directory object
*/
-ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
- const FileSys::Path& path);
+ResultVal<std::shared_ptr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
+ const FileSys::Path& path);
/**
* Get the free space in an Archive
diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp
index d6ab5b065..337da1387 100644
--- a/src/core/hle/service/fs/fs_user.cpp
+++ b/src/core/hle/service/fs/fs_user.cpp
@@ -8,6 +8,7 @@
#include "common/logging/log.h"
#include "common/scope_exit.h"
#include "common/string_util.h"
+#include "core/hle/kernel/client_session.h"
#include "core/hle/result.h"
#include "core/hle/service/fs/archive.h"
#include "core/hle/service/fs/fs_user.h"
@@ -17,7 +18,7 @@
// Namespace FS_User
using Kernel::SharedPtr;
-using Kernel::Session;
+using Kernel::ServerSession;
namespace Service {
namespace FS {
@@ -67,10 +68,16 @@ static void OpenFile(Service::Interface* self) {
LOG_DEBUG(Service_FS, "path=%s, mode=%u attrs=%u", file_path.DebugStr().c_str(), mode.hex,
attributes);
- ResultVal<SharedPtr<File>> file_res = OpenFileFromArchive(archive_handle, file_path, mode);
+ ResultVal<std::shared_ptr<File>> file_res =
+ OpenFileFromArchive(archive_handle, file_path, mode);
cmd_buff[1] = file_res.Code().raw;
if (file_res.Succeeded()) {
- cmd_buff[3] = Kernel::g_handle_table.Create(*file_res).MoveFrom();
+ std::shared_ptr<File> file = *file_res;
+ auto sessions = ServerSession::CreateSessionPair(file->GetName(), file);
+ file->ClientConnected(std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions));
+ cmd_buff[3] = Kernel::g_handle_table
+ .Create(std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions))
+ .MoveFrom();
} else {
cmd_buff[3] = 0;
LOG_ERROR(Service_FS, "failed to get a handle for file %s", file_path.DebugStr().c_str());
@@ -127,10 +134,16 @@ static void OpenFileDirectly(Service::Interface* self) {
}
SCOPE_EXIT({ CloseArchive(*archive_handle); });
- ResultVal<SharedPtr<File>> file_res = OpenFileFromArchive(*archive_handle, file_path, mode);
+ ResultVal<std::shared_ptr<File>> file_res =
+ OpenFileFromArchive(*archive_handle, file_path, mode);
cmd_buff[1] = file_res.Code().raw;
if (file_res.Succeeded()) {
- cmd_buff[3] = Kernel::g_handle_table.Create(*file_res).MoveFrom();
+ std::shared_ptr<File> file = *file_res;
+ auto sessions = ServerSession::CreateSessionPair(file->GetName(), file);
+ file->ClientConnected(std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions));
+ cmd_buff[3] = Kernel::g_handle_table
+ .Create(std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions))
+ .MoveFrom();
} else {
cmd_buff[3] = 0;
LOG_ERROR(Service_FS, "failed to get a handle for file %s mode=%u attributes=%u",
@@ -388,10 +401,16 @@ static void OpenDirectory(Service::Interface* self) {
LOG_DEBUG(Service_FS, "type=%u size=%u data=%s", static_cast<u32>(dirname_type), dirname_size,
dir_path.DebugStr().c_str());
- ResultVal<SharedPtr<Directory>> dir_res = OpenDirectoryFromArchive(archive_handle, dir_path);
+ ResultVal<std::shared_ptr<Directory>> dir_res =
+ OpenDirectoryFromArchive(archive_handle, dir_path);
cmd_buff[1] = dir_res.Code().raw;
if (dir_res.Succeeded()) {
- cmd_buff[3] = Kernel::g_handle_table.Create(*dir_res).MoveFrom();
+ std::shared_ptr<Directory> directory = *dir_res;
+ auto sessions = ServerSession::CreateSessionPair(directory->GetName(), directory);
+ directory->ClientConnected(std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions));
+ cmd_buff[3] = Kernel::g_handle_table
+ .Create(std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions))
+ .MoveFrom();
} else {
LOG_ERROR(Service_FS, "failed to get a handle for directory type=%d size=%d data=%s",
dirname_type, dirname_size, dir_path.DebugStr().c_str());
diff --git a/src/core/hle/service/service.cpp b/src/core/hle/service/service.cpp
index effecc043..2bc3fdc82 100644
--- a/src/core/hle/service/service.cpp
+++ b/src/core/hle/service/service.cpp
@@ -2,8 +2,12 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#include <boost/range/algorithm_ext/erase.hpp>
+
#include "common/logging/log.h"
#include "common/string_util.h"
+
+#include "core/hle/kernel/server_port.h"
#include "core/hle/service/ac_u.h"
#include "core/hle/service/act_a.h"
#include "core/hle/service/act_u.h"
@@ -44,8 +48,8 @@
namespace Service {
-std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_kernel_named_ports;
-std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_srv_services;
+std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_kernel_named_ports;
+std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_srv_services;
/**
* Creates a function string for logging, complete with the name (or header code, depending
@@ -64,7 +68,23 @@ static std::string MakeFunctionString(const char* name, const char* port_name,
return function_string;
}
-ResultVal<bool> Interface::SyncRequest() {
+void SessionRequestHandler::ClientConnected(
+ Kernel::SharedPtr<Kernel::ServerSession> server_session) {
+ connected_sessions.push_back(server_session);
+}
+
+void SessionRequestHandler::ClientDisconnected(
+ Kernel::SharedPtr<Kernel::ServerSession> server_session) {
+ boost::range::remove_erase(connected_sessions, server_session);
+}
+
+Interface::Interface(u32 max_sessions) : max_sessions(max_sessions) {}
+Interface::~Interface() = default;
+
+void Interface::HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) {
+ // TODO(Subv): Make use of the server_session in the HLE service handlers to distinguish which
+ // session triggered each command.
+
u32* cmd_buff = Kernel::GetCommandBuffer();
auto itr = m_functions.find(cmd_buff[0]);
@@ -78,14 +98,12 @@ ResultVal<bool> Interface::SyncRequest() {
// TODO(bunnei): Hack - ignore error
cmd_buff[1] = 0;
- return MakeResult<bool>(false);
+ return;
}
LOG_TRACE(Service, "%s",
MakeFunctionString(itr->second.name, GetPortName().c_str(), cmd_buff).c_str());
itr->second.func(this);
-
- return MakeResult<bool>(false); // TODO: Implement return from actual function
}
void Interface::Register(const FunctionInfo* functions, size_t n) {
@@ -100,11 +118,19 @@ void Interface::Register(const FunctionInfo* functions, size_t n) {
// Module interface
static void AddNamedPort(Interface* interface_) {
- g_kernel_named_ports.emplace(interface_->GetPortName(), interface_);
+ auto ports =
+ Kernel::ServerPort::CreatePortPair(interface_->GetMaxSessions(), interface_->GetPortName(),
+ std::shared_ptr<Interface>(interface_));
+ auto client_port = std::get<Kernel::SharedPtr<Kernel::ClientPort>>(ports);
+ g_kernel_named_ports.emplace(interface_->GetPortName(), std::move(client_port));
}
void AddService(Interface* interface_) {
- g_srv_services.emplace(interface_->GetPortName(), interface_);
+ auto ports =
+ Kernel::ServerPort::CreatePortPair(interface_->GetMaxSessions(), interface_->GetPortName(),
+ std::shared_ptr<Interface>(interface_));
+ auto client_port = std::get<Kernel::SharedPtr<Kernel::ClientPort>>(ports);
+ g_srv_services.emplace(interface_->GetPortName(), std::move(client_port));
}
/// Initialize ServiceManager
diff --git a/src/core/hle/service/service.h b/src/core/hle/service/service.h
index 29daacfc4..a7ba7688f 100644
--- a/src/core/hle/service/service.h
+++ b/src/core/hle/service/service.h
@@ -9,8 +9,15 @@
#include <unordered_map>
#include <boost/container/flat_map.hpp>
#include "common/common_types.h"
-#include "core/hle/kernel/session.h"
+#include "core/hle/ipc.h"
+#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/thread.h"
#include "core/hle/result.h"
+#include "core/memory.h"
+
+namespace Kernel {
+class ServerSession;
+}
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace Service
@@ -18,14 +25,63 @@
namespace Service {
static const int kMaxPortSize = 8; ///< Maximum size of a port name (8 characters)
+/// Arbitrary default number of maximum connections to an HLE service.
+static const u32 DefaultMaxSessions = 10;
+
+/**
+ * Interface implemented by HLE Session handlers.
+ * This can be provided to a ServerSession in order to hook into several relevant events
+ * (such as a new connection or a SyncRequest) so they can be implemented in the emulator.
+ */
+class SessionRequestHandler {
+public:
+ /**
+ * Handles a sync request from the emulated application.
+ * @param server_session The ServerSession that was triggered for this sync request,
+ * it should be used to differentiate which client (As in ClientSession) we're answering to.
+ * TODO(Subv): Use a wrapper structure to hold all the information relevant to
+ * this request (ServerSession, Originator thread, Translated command buffer, etc).
+ * @returns ResultCode the result code of the translate operation.
+ */
+ virtual void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) = 0;
+
+ /**
+ * Signals that a client has just connected to this HLE handler and keeps the
+ * associated ServerSession alive for the duration of the connection.
+ * @param server_session Owning pointer to the ServerSession associated with the connection.
+ */
+ void ClientConnected(Kernel::SharedPtr<Kernel::ServerSession> server_session);
+
+ /**
+ * Signals that a client has just disconnected from this HLE handler and releases the
+ * associated ServerSession.
+ * @param server_session ServerSession associated with the connection.
+ */
+ void ClientDisconnected(Kernel::SharedPtr<Kernel::ServerSession> server_session);
-/// Interface to a CTROS service
-class Interface : public Kernel::Session {
- // TODO(yuriks): An "Interface" being a Kernel::Object is mostly non-sense. Interface should be
- // just something that encapsulates a session and acts as a helper to implement service
- // processes.
+protected:
+ /// List of sessions that are connected to this handler.
+ /// A ServerSession whose server endpoint is an HLE implementation is kept alive by this list
+ // for the duration of the connection.
+ std::vector<Kernel::SharedPtr<Kernel::ServerSession>> connected_sessions;
+};
+
+/**
+ * Framework for implementing HLE service handlers which dispatch incoming SyncRequests based on a
+ * table mapping header ids to handler functions.
+ */
+class Interface : public SessionRequestHandler {
public:
- std::string GetName() const override {
+ /**
+ * Creates an HLE interface with the specified max sessions.
+ * @param max_sessions Maximum number of sessions that can be
+ * connected to this service at the same time.
+ */
+ Interface(u32 max_sessions = DefaultMaxSessions);
+
+ virtual ~Interface();
+
+ std::string GetName() const {
return GetPortName();
}
@@ -33,6 +89,15 @@ public:
version.raw = raw_version;
}
+ /**
+ * Gets the maximum allowed number of sessions that can be connected to this service
+ * at the same time.
+ * @returns The maximum number of connections allowed.
+ */
+ u32 GetMaxSessions() const {
+ return max_sessions;
+ }
+
typedef void (*Function)(Interface*);
struct FunctionInfo {
@@ -49,9 +114,9 @@ public:
return "[UNKNOWN SERVICE PORT]";
}
- ResultVal<bool> SyncRequest() override;
-
protected:
+ void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override;
+
/**
* Registers the functions in the service
*/
@@ -71,6 +136,7 @@ protected:
} version = {};
private:
+ u32 max_sessions; ///< Maximum number of concurrent sessions that this service can handle.
boost::container::flat_map<u32, FunctionInfo> m_functions;
};
@@ -81,9 +147,9 @@ void Init();
void Shutdown();
/// Map of named ports managed by the kernel, which can be retrieved using the ConnectToPort SVC.
-extern std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_kernel_named_ports;
+extern std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_kernel_named_ports;
/// Map of services registered with the "srv:" service, retrieved using GetServiceHandle.
-extern std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_srv_services;
+extern std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_srv_services;
/// Adds a service to the services table
void AddService(Interface* interface_);
diff --git a/src/core/hle/service/soc_u.cpp b/src/core/hle/service/soc_u.cpp
index fd251fc0a..c3918cdd0 100644
--- a/src/core/hle/service/soc_u.cpp
+++ b/src/core/hle/service/soc_u.cpp
@@ -11,7 +11,7 @@
#include "common/common_types.h"
#include "common/logging/log.h"
#include "common/scope_exit.h"
-#include "core/hle/kernel/session.h"
+#include "core/hle/kernel/server_session.h"
#include "core/hle/result.h"
#include "core/hle/service/soc_u.h"
#include "core/memory.h"
diff --git a/src/core/hle/service/srv.cpp b/src/core/hle/service/srv.cpp
index f8df38c42..3bd787147 100644
--- a/src/core/hle/service/srv.cpp
+++ b/src/core/hle/service/srv.cpp
@@ -2,9 +2,13 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#include <tuple>
+
#include "common/common_types.h"
#include "common/logging/log.h"
+#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/server_session.h"
#include "core/hle/service/srv.h"
namespace Service {
@@ -79,7 +83,15 @@ static void GetServiceHandle(Interface* self) {
auto it = Service::g_srv_services.find(port_name);
if (it != Service::g_srv_services.end()) {
- cmd_buff[3] = Kernel::g_handle_table.Create(it->second).MoveFrom();
+ auto client_port = it->second;
+
+ auto client_session = client_port->Connect();
+ res = client_session.Code();
+
+ if (client_session.Succeeded()) {
+ // Return the client session
+ cmd_buff[3] = Kernel::g_handle_table.Create(*client_session).MoveFrom();
+ }
LOG_TRACE(Service_SRV, "called port=%s, handle=0x%08X", port_name.c_str(), cmd_buff[3]);
} else {
LOG_ERROR(Service_SRV, "(UNIMPLEMENTED) called port=%s", port_name.c_str());
diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp
index c6b80dc50..e5ba9a484 100644
--- a/src/core/hle/svc.cpp
+++ b/src/core/hle/svc.cpp
@@ -13,6 +13,7 @@
#include "core/hle/function_wrappers.h"
#include "core/hle/kernel/address_arbiter.h"
#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/memory.h"
#include "core/hle/kernel/mutex.h"
@@ -20,6 +21,7 @@
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/kernel/semaphore.h"
#include "core/hle/kernel/server_port.h"
+#include "core/hle/kernel/server_session.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/timer.h"
@@ -222,20 +224,29 @@ static ResultCode ConnectToPort(Handle* out_handle, const char* port_name) {
return ERR_NOT_FOUND;
}
- CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(it->second));
+ auto client_port = it->second;
+
+ SharedPtr<Kernel::ClientSession> client_session;
+ CASCADE_RESULT(client_session, client_port->Connect());
+
+ // Return the client session
+ CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(client_session));
return RESULT_SUCCESS;
}
-/// Synchronize to an OS service
+/// Makes a blocking IPC call to an OS service.
static ResultCode SendSyncRequest(Handle handle) {
- SharedPtr<Kernel::Session> session = Kernel::g_handle_table.Get<Kernel::Session>(handle);
+ SharedPtr<Kernel::ClientSession> session =
+ Kernel::g_handle_table.Get<Kernel::ClientSession>(handle);
if (session == nullptr) {
return ERR_INVALID_HANDLE;
}
LOG_TRACE(Kernel_SVC, "called handle=0x%08X(%s)", handle, session->GetName().c_str());
- return session->SyncRequest().Code();
+ // TODO(Subv): svcSendSyncRequest should put the caller thread to sleep while the server
+ // responds and cause a reschedule.
+ return session->SendSyncRequest();
}
/// Close a handle