began working on an abstraction layer for sockets

src/app/blumen_lumen.cpp

@@ -8,27 +8,23 @@
 internal void
 BlumenLumen_MicListenJob(gs_thread_context* Ctx, u8* UserData)
 {
-    packet_ringbuffer* MicPacketBuffer = (packet_ringbuffer*)UserData;
+    mic_listen_job_data* Data = (mic_listen_job_data*)UserData;
-    
-#if 0
-    platform_socket* ListenSocket = CreateSocketAndConnect(Ctx->SocketManager, "127.0.0.1", "20185");
     
     while (true)
     {
-        gs_data Data = SocketReceive(Ctx->SocketManager, &ListenSocket, Ctx->Transient);
+        gs_data Msg = SocketRecieve(Data->SocketManager, Data->ListenSocket, Ctx->Transient);
-        if (Data.Size > 0)
+        if (Msg.Size > 0)
         {
             OutputDebugStringA("Listened");
-            MicPacketBuffer->Values[MicPacketBuffer->WriteHead++] = Data;
+            Data->MicPacketBuffer->Values[Data->MicPacketBuffer->WriteHead++] = Msg;
-            if (MicPacketBuffer->WriteHead >= PACKETS_MAX)
+            if (Data->MicPacketBuffer->WriteHead >= PACKETS_MAX)
             {
-                MicPacketBuffer->WriteHead = 0;
+                Data->MicPacketBuffer->WriteHead = 0;
             }
         }
     }
     
-    CloseSocket(Ctx->SocketManager, ListenSocket);
+    CloseSocket(Data->SocketManager, Data->ListenSocket);
-#endif
 }
 
 internal gs_data
@@ -43,7 +39,11 @@ BlumenLumen_CustomInit(app_state* State, context Context)
     Result = PushSizeToData(&State->Permanent, sizeof(blumen_lumen_state));
     
     blumen_lumen_state* BLState = (blumen_lumen_state*)Result.Memory;
-    BLState->MicListenThread = CreateThread(Context.ThreadManager, BlumenLumen_MicListenJob, (u8*)&BLState->MicPacketBuffer);
+    BLState->MicListenJobData.SocketManager = Context.SocketManager;
+    BLState->MicListenJobData.MicPacketBuffer = &BLState->MicPacketBuffer;
+    BLState->MicListenJobData.ListenSocket = CreateSocket(Context.SocketManager, "127.0.0.1", "20185");
+    
+    BLState->MicListenThread = CreateThread(Context.ThreadManager, BlumenLumen_MicListenJob, (u8*)&BLState->MicListenJobData);
     
     
 #if 1

src/app/blumen_lumen.h

@@ -24,12 +24,20 @@ struct microphone_packet
 };
 #pragma pack(pop)
 
+struct mic_listen_job_data
+{
+    platform_socket_manager* SocketManager;
+    packet_ringbuffer* MicPacketBuffer;
+    platform_socket_handle_ ListenSocket;
+};
+
 struct blumen_lumen_state
 {
     packet_ringbuffer MicPacketBuffer;
     temp_job_req JobReq;
     
     platform_thread_handle MicListenThread;
+    mic_listen_job_data MicListenJobData;
 };
 
 

src/app/foldhaus_platform.h

@@ -207,6 +207,7 @@ struct context
     cleanup_application* CleanupApplication;
     
     platform_thread_manager* ThreadManager;
+    platform_socket_manager* SocketManager;
     
     // Platform Services
     gs_work_queue* GeneralWorkQueue;

src/app/platform_win32/win32_foldhaus.cpp

@@ -496,6 +496,9 @@ WinMain (
     Context.ThreadManager = PushStruct(&PlatformPermanent, platform_thread_manager);
     *Context.ThreadManager = CreatePlatformThreadManager(Win32CreateThread, Win32KillThread);
     
+    Context.SocketManager = PushStruct(&PlatformPermanent, platform_socket_manager);
+    *Context.SocketManager = CreatePlatformSocketManager(Win32CreateSocket, Win32CloseSocket, Win32SocketReceive);
+    
     win32_dll_refresh DLLRefresh = InitializeDLLHotReloading(DLLName, WorkingDLLName, DLLLockFileName);
     if (!ReloadAndLinkDLL(&DLLRefresh, &Context, &Win32WorkQueue.WorkQueue, true)) { return -1; }
     
@@ -509,10 +512,6 @@ WinMain (
     
     addressed_data_buffer_list OutputData = AddressedDataBufferList_Create(ThreadContext);
     
-    temp_job_req* Req = Context.InitializeApplication(Context);
-    Req->Proc = BlumenLumen_MicListenJob;
-    Win32_TestCode_SocketReading(ThreadContext, Req);
-    
     Running = true;
     Context.WindowIsVisible = true;
     while (Running)

src/app/platform_win32/win32_foldhaus_socket.h

@@ -131,6 +131,101 @@ Win32Socket_ConnectToAddress(char* Address, char* DefaultPort)
     return Result;
 }
 
+internal bool
+Win32CreateSocket(platform_socket* Socket, char* Address, char* DefaultPort)
+{
+    bool Result = false;
+    
+    addrinfo Hints = {0};
+    Hints.ai_family = AF_UNSPEC;
+    Hints.ai_socktype = SOCK_STREAM;
+    Hints.ai_protocol = IPPROTO_TCP;
+    
+    addrinfo* PotentialConnections;
+    s32 Error = getaddrinfo(Address, DefaultPort, &Hints, &PotentialConnections);
+    if (Error == 0)
+    {
+        for (addrinfo* InfoAt = PotentialConnections; InfoAt != NULL; InfoAt = InfoAt->ai_next)
+        {
+            SOCKET SocketHandle = socket(InfoAt->ai_family, InfoAt->ai_socktype, InfoAt->ai_protocol);
+            if (SocketHandle == INVALID_SOCKET)
+            {
+                Error = WSAGetLastError();
+                InvalidCodePath;
+            }
+            
+            Error = connect(SocketHandle, InfoAt->ai_addr, (int)InfoAt->ai_addrlen);
+            if (Error == SOCKET_ERROR)
+            {
+                closesocket(SocketHandle);
+                continue;
+            }
+            else
+            {
+                Socket->PlatformHandle = (u8*)Win32Alloc(sizeof(SOCKET), 0);
+                *(SOCKET*)Socket->PlatformHandle = SocketHandle;
+                Result = true;
+                break;
+            }
+        }
+    }
+    else
+    {
+        Error = WSAGetLastError();
+        InvalidCodePath;
+    }
+    
+    if (!Result)
+    {
+        Assert(Socket->PlatformHandle == 0);
+    }
+    
+    freeaddrinfo(PotentialConnections);
+    return Result;
+}
+
+internal bool
+Win32CloseSocket(platform_socket* Socket)
+{
+    SOCKET* Win32Sock = (SOCKET*)Socket->PlatformHandle;
+    closesocket(*Win32Sock);
+    Win32Free((u8*)Socket->PlatformHandle, sizeof(SOCKET));
+    *Socket = {};
+    return true;
+}
+
+internal gs_data
+Win32SocketReceive(platform_socket* Socket, gs_memory_arena* Storage)
+{
+    // TODO(pjs): Test this first code path when you have data running - it should
+    // get the actual size of the data packet being sent
+#if 0
+    gs_data Result = {};
+    s32 BytesQueued = Win32Socket_PeekGetTotalSize(Socket);
+    if (BytesQueued > 0)
+    {
+        Result = PushSizeToData(Storage, BytesQueued);
+        s32 Flags = 0;
+        s32 BytesReceived = recv(Socket->Socket, (char*)Result.Memory, Result.Size, Flags);
+        Assert(BytesReceived == BytesQueued);
+    }
+    return Result;
+#else
+    gs_data Result = PushSizeToData(Storage, 1024);
+    s32 Flags = 0;
+    SOCKET* Win32Sock = (SOCKET*)Socket->PlatformHandle;
+    s32 BytesReceived = recv(*Win32Sock, (char*)Result.Memory, Result.Size, Flags);
+    if (BytesReceived == SOCKET_ERROR)
+    {
+        // TODO(pjs): Error logging
+        s32 Error = WSAGetLastError();
+        InvalidCodePath;
+    }
+    Result.Size = BytesReceived;
+    return Result;
+#endif
+}
+
 internal s32
 Win32Socket_SetOption(win32_socket* Socket, s32 Level, s32 Option, const char* OptionValue, s32 OptionLength)
 {

src/gs_libs/gs_types.cpp

@@ -3345,6 +3345,101 @@ KillThread(platform_thread_manager* Manager, platform_thread_handle Handle)
 }
 
 
+//////////////////////////
+//
+// Socket Manager
+
+CREATE_SOCKET(PlatformCreateSocket_Stub)
+{
+    return false;
+}
+
+CLOSE_SOCKET(PlatformCloseSocket_Stub)
+{
+    return false;
+}
+
+SOCKET_RECEIVE(PlatformSocketRecieve_Stub)
+{
+    return {};
+}
+
+
+internal platform_socket_manager
+CreatePlatformSocketManager(platform_create_socket* CreateSocketProc,
+                            platform_close_socket* CloseSocketProc,
+                            platform_socket_receive* SocketRecieveProc)
+{
+    platform_socket_manager Result = {};
+    Result.CreateSocketProc = CreateSocketProc;
+    Result.CloseSocketProc = CloseSocketProc;
+    Result.SocketRecieveProc = SocketRecieveProc;
+    
+    if (!CreateSocketProc)
+    {
+        Result.CreateSocketProc = PlatformCreateSocket_Stub;
+    }
+    if (!CloseSocketProc)
+    {
+        Result.CloseSocketProc = PlatformCloseSocket_Stub;
+    }
+    if (!SocketRecieveProc)
+    {
+        Result.SocketRecieveProc = PlatformSocketRecieve_Stub;
+    }
+    return Result;
+}
+
+internal platform_socket_handle_
+CreateSocket(platform_socket_manager* Manager, char* Addr, char* Port)
+{
+    platform_socket_handle_ Result = {};
+    for (u32 i = 1; i < SOCKETS_COUNT_MAX; i++)
+    {
+        if (!Manager->SocketsUsed[i])
+        {
+            Result.Index = i;
+            Manager->SocketsUsed[i] = true;
+            break;
+        }
+    }
+    
+    Assert(Result.Index != 0);
+    platform_socket* Socket = &Manager->Sockets[Result.Index];
+    Manager->CreateSocketProc(Socket, Addr, Port);
+    
+    return Result;
+}
+
+internal bool
+CloseSocket(platform_socket_manager* Manager, platform_socket_handle_ Handle)
+{
+    bool Result = false;
+    platform_socket* Socket = &Manager->Sockets[Handle.Index];
+    if (Manager->CloseSocketProc(Socket))
+    {
+        Manager->SocketsUsed[Handle.Index] = false;
+        *Socket = {};
+        Result = true;
+    }
+    return Result;
+}
+
+internal gs_data
+SocketRecieve(platform_socket_manager* Manager, platform_socket_handle_ SocketHandle, gs_memory_arena* Storage)
+{
+    gs_data Result = {};
+    if (Manager->SocketsUsed[SocketHandle.Index])
+    {
+        platform_socket* Socket = &Manager->Sockets[SocketHandle.Index];
+        if (Socket->PlatformHandle != 0)
+        {
+            Result = Manager->SocketRecieveProc(Socket, Storage);
+        }
+    }
+    return Result;
+}
+
 ///////////////////////////
 //
 // Hashes

src/gs_libs/gs_types.h

@@ -1086,5 +1086,36 @@ struct gs_work_queue
     complete_queue_work* CompleteQueueWork;
 };
 
+// Sockets
+
+typedef struct platform_socket_handle_
+{
+    u32 Index;
+} platform_socket_handle_;
+
+typedef struct platform_socket
+{
+    u8* PlatformHandle;
+} platform_socket;
+
+#define CREATE_SOCKET(name) bool name(platform_socket* Socket, char* Addr, char* DefaultPort)
+typedef CREATE_SOCKET(platform_create_socket);
+
+#define CLOSE_SOCKET(name) bool name(platform_socket* Socket)
+typedef CLOSE_SOCKET(platform_close_socket);
+
+#define SOCKET_RECEIVE(name) gs_data name(platform_socket* Socket, gs_memory_arena* Storage)
+typedef SOCKET_RECEIVE(platform_socket_receive);
+
+#define SOCKETS_COUNT_MAX 32
+typedef struct platform_socket_manager
+{
+    b8 SocketsUsed[SOCKETS_COUNT_MAX];
+    platform_socket Sockets[SOCKETS_COUNT_MAX];
+    
+    platform_create_socket* CreateSocketProc;
+    platform_close_socket* CloseSocketProc;
+    platform_socket_receive* SocketRecieveProc;
+} platform_socket_manager;
 #define GS_TYPES_H
 #endif // GS_TYPES_H