first commit

network test/Makefile

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+# Compiler and flags
+CXX = g++
+CXXFLAGS = -Wall -Wextra -O2 -std=c++17
+
+# Targets
+all: client server
+
+# Client build
+client: client.cpp
+	$(CXX) $(CXXFLAGS) client.cpp -o client
+
+# Server build
+server: server.cpp
+	$(CXX) $(CXXFLAGS) server.cpp -o server
+
+# Clean build artifacts
+clean:
+	rm -f client server
+

network test/client.cpp

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+
+// Client side C/C++ program to demonstrate Socket programming 
+//this uses threads to allow a server and a client to do network chat stuff over 127.0.0.1:8080. the ui is out of sync because it doesn't use ncurses but the message sending and printing part still works
+#include <stdio.h> 
+#include <sys/socket.h> 
+#include <arpa/inet.h> 
+#include <unistd.h> 
+#include <string.h> 
+#include <string>
+#include <iostream>
+#include <thread>
+#define PORT 8080 
+using namespace std;
+
+#ifdef _WIN32
+    /#include <windows.h>;
+    void fnsleep(unsigned milliseconds)
+    {
+        Sleep(milliseconds);
+    }
+
+#else
+    #include <unistd.h>
+    void fnsleep(unsigned milliseconds)
+    {
+        usleep(milliseconds * 1000);
+    }
+#endif
+
+void checkForNewMsgs(int socket, int valreaded, int otherNum);
+
+void checkForNewMsgs(int socket, int valreaded, int otherNum)
+{
+    int valreadOne;
+    char newBuffer[1024] = {0};
+    while (3 == 3 && newBuffer != "exit")
+    {
+        for(int i = 0; i < 1024; i++)
+        {
+            newBuffer[i] = char(0);
+        }
+    valreadOne = read( socket , newBuffer, 1024); 
+    if (newBuffer != "") 
+        {
+            cout << "Server: ";
+            printf("%s\n",newBuffer );
+        }
+    }
+    fnsleep(1000);
+
+}
+   
+int main(int argc, char const *argv[]) 
+{ 
+    int sock = 0, valread; 
+    struct sockaddr_in serv_addr; 
+    char *hello = "Hello from client"; 
+    char buffer[1024] = {0}; 
+    if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) 
+    { 
+        printf("\n Socket creation error \n"); 
+        return -1; 
+    } 
+   
+    serv_addr.sin_family = AF_INET; 
+    serv_addr.sin_port = htons(PORT); 
+       
+    // Convert IPv4 and IPv6 addresses from text to binary form 
+    if(inet_pton(AF_INET, "127.0.0.1", &serv_addr.sin_addr)<=0)  
+    { 
+        printf("\nInvalid address/ Address not supported \n"); 
+        return -1; 
+    } 
+   
+    if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) 
+    { 
+        printf("\nConnection Failed \n"); 
+        return -1; 
+    } 
+    string message;
+    thread t(checkForNewMsgs, sock, valread, 1024);
+    t.detach();
+    while (message != "exit")
+    {
+    cout << "> ";
+    getline(cin, message);
+    send(sock , message.c_str() , strlen(message.c_str()) , 0 );
+
+    //printf("Hello message sent\n"); 
+    //valread = read( sock , buffer, 1024); 
+    //printf("%s\n",buffer );
+    }
+    return 0; 
+} 

network test/server.cpp

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+
+// Server side C/C++ program to demonstrate Socket programming
+//this uses threads to allow a server and a client to do network chat stuff over 127.0.0.1:8080. the ui is out of sync because it doesn't use ncurses but the message sending and printing part still works
+#include <unistd.h> 
+#include <stdio.h> 
+#include <sys/socket.h> 
+#include <stdlib.h> 
+#include <netinet/in.h> 
+#include <string.h>
+#include <thread> 
+#include <iostream>
+using namespace std;
+#define PORT 8080 
+
+#ifdef _WIN32
+    /#include <windows.h>;
+    void fnsleep(unsigned milliseconds)
+    {
+        Sleep(milliseconds);
+    }
+
+#else
+    #include <unistd.h>
+    void fnsleep(unsigned milliseconds)
+    {
+        usleep(milliseconds * 1000);
+    }
+#endif
+
+void checkForNewMsgs(int socket, int valreaded, int otherNum);
+
+void checkForNewMsgs(int socket, int valreaded, int otherNum)
+{
+    int valreadOne;
+    char newBuffer[1024] = {0};
+    while (3 == 3 && newBuffer != "exit")
+    {
+    //printf("Client: "); 
+        for(int i = 0; i < 1024; i++)
+        {
+            newBuffer[i] = char(0);
+        }
+    valreadOne = read( socket , newBuffer, 1024);
+    if (newBuffer != "") 
+        {
+            printf("Client: ");
+            printf("%s\n",newBuffer );
+        }
+    }
+    fnsleep(1000);
+
+}
+
+int main(int argc, char const *argv[]) 
+{ 
+    int server_fd, new_socket, valread; 
+    struct sockaddr_in address; 
+    int opt = 1; 
+    int addrlen = sizeof(address); 
+    char buffer[1024] = {0}; 
+    char *hello = "Hello from server"; 
+       
+    // Creating socket file descriptor 
+    if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) 
+    { 
+        perror("socket failed"); 
+        exit(EXIT_FAILURE); 
+    } 
+       
+    // Forcefully attaching socket to the port 8080 
+    if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, 
+                                                  &opt, sizeof(opt))) 
+    { 
+        perror("setsockopt"); 
+        exit(EXIT_FAILURE); 
+    } 
+    address.sin_family = AF_INET; 
+    address.sin_addr.s_addr = INADDR_ANY; 
+    address.sin_port = htons( PORT ); 
+       
+    // Forcefully attaching socket to the port 8080 
+    if (bind(server_fd, (struct sockaddr *)&address,  
+                                 sizeof(address))<0) 
+    { 
+        perror("bind failed"); 
+        exit(EXIT_FAILURE); 
+    } 
+    if (listen(server_fd, 3) < 0) 
+    { 
+        perror("listen"); 
+        exit(EXIT_FAILURE); 
+    } 
+    if ((new_socket = accept(server_fd, (struct sockaddr *)&address,  
+                       (socklen_t*)&addrlen))<0) 
+    { 
+        perror("accept"); 
+        exit(EXIT_FAILURE); 
+    } 
+
+    string message;
+    thread t(checkForNewMsgs, new_socket, valread, 1024);
+    t.detach();
+    while (message != "exit")
+    {
+    //string message;
+    cout << "> ";
+    getline(cin, message);
+    //valread = read( new_socket , buffer, 1024); 
+    //printf("%s\n",buffer ); 
+    send(new_socket , message.c_str() , strlen(message.c_str()) , 0 ); 
+    //cout << "Hello message sent" << endl;
+    } 
+    return 0; 
+}