Removed the entirety of the backend

1 files changed, 0 insertions, 407 deletions

diff --git a/backend/server.cpp b/backend/server.cpp
deleted file mode 100644
index b9d6f1c..0000000
--- a/backend/server.cpp
+++ /dev/null
@@ -1,407 +0,0 @@
-#include <stdio.h>
-#include <wS2tcpip.h>
-#include <string.h>
-#include <assert.h>
-#include <time.h>
-#include "stringmanip.h"
-
-#pragma comment (lib, "ws2_32.lib")
-
-#define WIN32_LEAN_AND_MEAN
-#define PORT 80
-#define NUM_CLIENT_THREADS 8
-
-void handleClient(SOCKET clientSocket);
-DWORD WINAPI runConnection(LPVOID lpParam);
-
-struct ClientConnection {
-    bool isActive = false;
-    SOCKET clientSocket;
-};
-
-struct ClientConnectionThreadArray {
-    ClientConnection    connectionList[NUM_CLIENT_THREADS];
-    DWORD               threadIdArray[NUM_CLIENT_THREADS];
-    HANDLE              threadArray[NUM_CLIENT_THREADS];
-
-    void start() {
-        for (int tIdx = 0; tIdx < NUM_CLIENT_THREADS; tIdx++) {
-            threadArray[tIdx] = CreateThread(
-                NULL,
-                0,
-                runConnection,
-                &connectionList[tIdx],
-                0,
-                &threadIdArray[tIdx]
-            );
-        }
-    }
-
-    void run(SOCKET clientSocket) {
-        bool found = false;
-        while (!found) {
-            for (int connIdx = 0; connIdx < NUM_CLIENT_THREADS; connIdx++) {
-                if (!connectionList[connIdx].isActive) {
-                    connectionList[connIdx].clientSocket = clientSocket;
-                    connectionList[connIdx].isActive = true;
-                    found = true;
-                    break;
-                }
-            }
-
-            if (!found) {
-                Sleep(50);
-            }
-        }
-    }
-};
-
-int main() {
-    // Initializing Winsock
-    WSADATA wsaData;
-    WORD version = MAKEWORD(2, 2);
-
-    int wsOK = WSAStartup(version, &wsaData);
-    if (wsOK != 0) {
-        printf("Cannot initialize winsock: %d\n", wsOK);
-        return EXIT_FAILURE;
-    }
-
-    // Creating a socket
-    SOCKET listeningSocket = socket(AF_INET, SOCK_STREAM, 0);
-    if (listeningSocket == INVALID_SOCKET) {
-        printf("Cannot create socket\n");
-        return EXIT_FAILURE;
-    }
-
-    // Bind an IP address and port to a socket
-    sockaddr_in hint = { 0 };
-    hint.sin_family = AF_INET;
-    hint.sin_port = htons(PORT);   // Networking is big endian, while PCs are little endian
-    hint.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
-
-    bind(listeningSocket, (sockaddr*)&hint, sizeof(hint));
-
-    // Tell Winsock the socket is for listening
-    listen(listeningSocket, SOMAXCONN);
-
-    ClientConnectionThreadArray threadManager;
-    threadManager.start();
-
-    while (true) {
-        
-        // Wait for a connection
-        sockaddr_in client;
-        int clientSize = sizeof(client);
-
-        SOCKET clientSocket = accept(listeningSocket, (sockaddr*)&client, &clientSize);
-        if (clientSocket == INVALID_SOCKET) {
-            printf("Cannot create the client socket\n");
-            return EXIT_FAILURE;
-        }
-
-        char host[NI_MAXHOST];          // Client's remote name
-        char service[NI_MAXSERV];      // Service (i.e. port) the client is connected on
-
-        ZeroMemory(host, NI_MAXHOST);
-        ZeroMemory(service, NI_MAXSERV);
-
-        if (getnameinfo((sockaddr*)&client, sizeof(client), host, NI_MAXHOST, service, NI_MAXSERV, 0) == 0) {
-            printf("Host %s connected on port %s\n", host, service);
-        } else {
-            inet_ntop(AF_INET, &client.sin_addr, host, NI_MAXHOST);
-            printf("Host %s connected on port %d\n", host, ntohs(client.sin_port));
-        }
-
-        threadManager.run(clientSocket);
-    }
-
-    // Close listening socket
-    closesocket(listeningSocket);
-
-    // Cleanup winsock
-    WSACleanup();
-
-    return EXIT_SUCCESS;
-}
-
-enum HttpRequestType {
-    HttpRequestType_None,
-    HttpRequestType_Get
-};
-
-enum HttpRequestError {
-    HttpRequestError_None,
-    HttpRequestError_UnsupportedRequest,
-    HttpRequestError_NoBuffer,
-    HttpRequestError_ClientDisconnect
-};
-
-struct HeaderParseResult {
-    HttpRequestType requestType;
-    char resource[512];
-    HttpRequestError error = HttpRequestError_None;
-};
-
-
-struct HeaderParser {
-    char buffer[4096];
-    int bufferPtr = 0;
-    int bufferSize = 0;
-    char line[512];
-    int lineIndex = 0 ;
-
-    bool tryReadLine() {
-        int startIndex = bufferPtr;
-        int endIndex = startIndex;
-        while (true) {
-            if (bufferPtr >= bufferSize) {
-                endIndex = bufferPtr;
-                break;
-            }
-
-            if (strncmp(&buffer[bufferPtr], "\r\n", 2) == 0) {
-                endIndex = bufferPtr;
-                bufferPtr += 2; // Move past the new line character
-                break;
-            }
-
-            bufferPtr++;
-        }
-
-        int lineLength = endIndex - startIndex;
-        if (lineLength == 0) {
-            return false;
-        }
-
-        assert(lineLength < 512 && lineLength > 0);
-        strncpy_s(line, &buffer[startIndex], lineLength);
-        line[lineLength] = '\0';
-        return true;
-    }
-
-    HeaderParseResult readHeader(SOCKET clientSocket) {
-        HeaderParseResult retval;
-        ZeroMemory(buffer, 4096);
-
-        // Wait for client to send data
-        bufferSize = recv(clientSocket, buffer, 4096, 0);
-        if (bufferSize == SOCKET_ERROR) {
-            printf("Error in receive. Quitting\n");
-            retval.error = HttpRequestError_NoBuffer;
-            return retval;
-        } else if (bufferSize == 0) {
-            printf("Client disconnected\n");
-            retval.error = HttpRequestError_ClientDisconnect;
-            return retval;
-        }
-
-        printf("Received message (%d bytes): %s", bufferSize, buffer);
-
-        while (tryReadLine()) {
-            if (lineIndex == 0) {
-                // Parse request, only supporting GETs for now
-                int linePtr = 0;
-                if (strncmp(line, "GET ", 3) == 0) {
-                    retval.requestType = HttpRequestType_Get;
-                    linePtr += 4; // Move past teh get
-                } else {
-                    retval.error = HttpRequestError_UnsupportedRequest;
-                    return retval;
-                }
-
-                copyUntilStr(retval.resource, &line[linePtr], " ");
-                printf("Get request on resource: %s\n", retval.resource);
-            }
-                
-            lineIndex++;
-        }
-
-        return retval;
-    }
-};
-
-enum FileType {
-    FileType_None,
-    FileType_HTML,
-    FileType_CSS,
-    FileType_JS
-};
-
-enum HttpStatusCode {
-    HttpStatusCode_OK = 200,
-    HttpStatusCode_BADREQUEST = 400,
-    HttpStatusCode_NOTFOUND = 404
-};
-
-void sendErrorMessage(SOCKET socket, HttpStatusCode status, const char* errorHtml) {
-    char timeStr[100];
-    char header[512];
-
-    ZeroMemory(timeStr, 100);
-    ZeroMemory(header, 100);
-
-    const char* errorMessage;
-    switch (status) {
-    case HttpStatusCode_BADREQUEST:
-        errorMessage = "Bad Request";
-        break;
-    case HttpStatusCode_NOTFOUND:
-        errorMessage = "Not found";
-        break;
-    default:
-        errorMessage = "Unknown";
-        break;
-    }
-
-    getCurrentDateStr(timeStr);
-    int contentLen = strlen(errorHtml);
-    sprintf(header, "HTTP/1.1 %d %s\r\nDate: %s\r\nContent-Type: text/html; charset=utf-8\r\nConnection: keep-alive\r\nContent-Length: %d\r\n\r\n", status, errorMessage, timeStr, contentLen);
-    send(socket, header, strlen(header), 0);
-    
-    send(socket, errorHtml, contentLen, 0);
-}
-
-#define MAXBUFLEN 1000000
-
-int readFileToMemory(char* filepath, char source[MAXBUFLEN + 1], bool isBinary) {
-    FILE* file;
-    fopen_s(&file, filepath, isBinary ? "rb" : "r+");
-
-    if(file == NULL) {
-        printf("Failed to read the file\n");
-        return -1;
-    }
-
-    size_t newLen = fread(source, sizeof(char), MAXBUFLEN, file);
-    if ( ferror( file ) != 0 ) {
-        fputs("Error reading file", stderr);
-        return -1;
-    }
-
-    fclose(file);
-    return newLen;
-}
-
-
-int fixNewLines(char* str, int strSize) {
-    int removed = 0;
-    for(int i = 0; i < strSize; i++) {
-		if(str[i] == '\n') {
-            str[i] = '\r\n';
-            removed++;
-		} 
-	}
-
-    return removed;
-}
-
-
-bool trySendFile(SOCKET clientSocket, char* filename) {
-    char filePath[128];
-    sprintf(filePath, "../../frontend%s", filename);
-
-    bool isBinary = false;
-    if (endsWith(filename, ".ico") || endsWith(filename, ".wasm")) {
-        isBinary = true;
-    }
-
-    char source[MAXBUFLEN + 1];
-    int fileSizeBytes = readFileToMemory(filePath, source, isBinary);
-
-    if (fileSizeBytes <= 0) {
-        return false;
-    }
-
-    const char* contentType;
-    if (endsWith(filename, ".html")) {
-        contentType = "text/html";
-    } else if (endsWith(filename, ".js")) {
-        contentType = "application/javascript";
-    } else if (endsWith(filename, ".css")) {
-        contentType = "text/css";
-    } else if (endsWith(filename, ".ico")) {
-        contentType = "image/x-icon";
-    } else if (endsWith(filename, ".wasm")) {
-        contentType = "application/wasm";
-    } else {
-        contentType = "text/plain";
-    }
-
-    char timeStr[100];
-    char header[512];
-
-    ZeroMemory(timeStr, 100);
-    ZeroMemory(header, 100);
-
-    getCurrentDateStr(timeStr);
-    sprintf(header, "HTTP/1.1 200 OK\r\nDate: %s\r\nContent-Type: %s; charset=utf-8\r\nConnection: keep-alive\r\nContent-Length: %d\r\n\r\n", timeStr, contentType, fileSizeBytes);
-    send(clientSocket, header, strlen(header), 0);
-    
-
-    int bytesSent = 0;
-    int bytesRemaining = fileSizeBytes;
-    while (bytesSent < fileSizeBytes) {
-        int amountToSend = bytesRemaining >= 4096 ? 4096 : bytesRemaining; // Send 4K bytes at a time max
-        send(clientSocket, &source[bytesSent], amountToSend, 0);
-        bytesRemaining -= amountToSend;
-        bytesSent += amountToSend;
-    }
-
-    return true;
-}
-
-void handleClient(SOCKET clientSocket) {
-    while (true) {
-        HeaderParser parser;
-        HeaderParseResult parseResult = parser.readHeader(clientSocket);
-        bool shouldBreak = false;
-
-        switch (parseResult.error) {
-        case HttpRequestError_ClientDisconnect: {
-            shouldBreak = true;
-            break;
-        }
-        case HttpRequestError_UnsupportedRequest: {
-            shouldBreak = true;
-            break;
-        }
-        }
-
-        if (shouldBreak) {
-            break;
-        }
-
-        switch (parseResult.requestType) {
-        case HttpRequestType_Get: {
-            if (strcmp(parseResult.resource, "/") == 0) {
-                trySendFile(clientSocket, (char*)"/index.html");
-            } else {
-                trySendFile(clientSocket, parseResult.resource);
-            }
-            shouldBreak = true;
-            break;
-        }
-        }
-
-        if (shouldBreak) {
-            break;
-        }
-    }
-
-    // Close the socket
-    closesocket(clientSocket);
-}
-
-DWORD WINAPI runConnection(LPVOID lpParam) {
-    ClientConnection* connection = (ClientConnection*)lpParam;
-
-    while (true) {
-        Sleep(100);
-
-        if (connection->isActive) {
-            handleClient(connection->clientSocket);
-            connection->isActive = false;
-        }
-    }
-}
\ No newline at end of file