mape examples

chat/Makefile

@@ -0,0 +1,14 @@
+all: server client
+
+sockethelper.o:
+	gcc -c socketHelper.c -o sockethelper.o
+
+server: sockethelper.o
+	gcc sockethelper.o server.c -o server
+
+client: sockethelper.o
+	gcc sockethelper.o client.c -o client
+
+
+clean:
+	rm -rf sockethelper.o client server

chat/hofi1/Makefile

@@ -0,0 +1,14 @@
+all: server client
+
+sockethelper.o:
+	gcc -c socketHelper.c -o sockethelper.o
+
+server: sockethelper.o
+	gcc sockethelper.o server.c -o server
+
+client: sockethelper.o
+	gcc sockethelper.o client.c -o client
+
+
+clean:
+	rm -rf sockethelper.o client server

chat/hofi1/client.c

@@ -0,0 +1,66 @@
+//
+// Created by joachim on 10/6/24.
+//
+
+#include <netinet/in.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include "socketHelper.h"
+
+int main() {
+    int socketFd;
+    struct sockaddr_in *address;
+
+    // Get a socket descriptor
+    socketFd = getSocketFd();
+    if (socketFd == -1) {
+        perror("Failed to get socket descriptor");
+        return 1;
+    }
+
+    // Create IPv4 address
+    address = createIPv4Address("127.0.0.1", 2000);
+    if (address == NULL) {
+        perror("Failed to create address");
+        close(socketFd); // Close the socket on error
+        return 1;
+    }
+
+    // Connect to the server
+    int result = connect(socketFd, (struct sockaddr*) address, sizeof(*address));
+    if (result == -1) {
+        perror("Failed to connect");
+        close(socketFd);
+        return 1;
+    }
+
+    char *message = "GET \\ HTTP/1.1\r\nHost:google.com\r\n\r\n";
+
+    // Send the message
+    if (send(socketFd, message, strlen(message), 0) == -1) {
+        perror("Failed to send message");
+        close(socketFd);
+        return 1;
+    }
+
+    // Receive response
+    char buffer[4096]; // Larger buffer to handle potentially large responses
+    int bytesReceived = recv(socketFd, buffer, sizeof(buffer) - 1, 0);
+    if (bytesReceived == -1) {
+        perror("Failed to receive data");
+        close(socketFd);
+        return 1;
+    }
+
+    // Ensure null termination (in case the response isn't already)
+    buffer[bytesReceived] = '\0';
+
+    // Print the response
+    printf("Response was:\n%s", buffer);
+
+    // Close the socket
+    close(socketFd);
+
+    return 0;
+}

chat/hofi1/server.c

@@ -0,0 +1,46 @@
+//
+// Created by joachim on 10/6/24.
+//
+
+#include <sys/socket.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include "./socketHelper.h"
+
+ #define handle_error(msg) \
+    do { perror(msg); exit(EXIT_FAILURE); } while (0)
+
+int main() {
+    int serverFD = getSocketFd();
+    struct sockaddr_in *srvAddress = createIPv4Address("127.0.0.1", 7585);
+
+    // printf("Port: %d\n", srvAddress->sin_port);
+
+    if (bind(serverFD, (struct sockaddr*)&srvAddress, sizeof(srvAddress))) {
+        handle_error("bind");
+    }
+    /* if (result == 0)
+        printf("Socket was bound successfully\n");
+    */
+
+    int listenResult = listen(serverFD, 10);
+    if (listenResult == 0)
+        printf("Listening was bound successfully\n");
+
+    struct sockaddr_in clientAddress;
+    uint clientAddressSize = sizeof clientAddress;
+    int clientSocketFD = accept(serverFD, (struct sockaddr *) &clientAddress, &clientAddressSize);
+
+    // Receive response
+    char buffer[4096]; // Larger buffer to handle potentially large responses
+    long bytesReceived = recv(clientSocketFD, buffer, sizeof(buffer) - 1, 0);
+    if (bytesReceived == -1) {
+        perror("Failed to receive data");
+        close(clientSocketFD);
+        return 1;
+    }
+
+    return 0;
+}

chat/hofi1/socketHelper.c

@@ -0,0 +1,26 @@
+#include "socketHelper.h"
+
+#include <string.h>
+#include <arpa/inet.h>
+#include <malloc.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+struct sockaddr_in* createIPv4Address (char *ip, int port) {
+    printf("Passed port: %d\n", port);
+    struct sockaddr_in *address = malloc(sizeof (struct sockaddr_in));
+    address->sin_family = AF_INET;
+    address->sin_port = htons(port);
+    if (strlen(ip) == 0)
+        address->sin_addr.s_addr = INADDR_ANY;
+    else
+        address->sin_addr.s_addr = htonl(INADDR_ANY);
+        //inet_pton(AF_INET, ip, &address->sin_addr.s_addr);
+    printf("Final port: %d\n", address->sin_port);
+    return address;
+}
+
+int getSocketFd() { return socket(AF_INET, SOCK_STREAM, 0); }

chat/hofi1/socketHelper.h

@@ -0,0 +1,7 @@
+#ifndef CHAT_SOCKETHELPER_H
+#define CHAT_SOCKETHELPER_H
+
+struct sockaddr_in* createIPv4Address (char *ip, int port);
+int getSocketFd();
+
+#endif //CHAT_SOCKETHELPER_H

chat/hofi2/Makefile

@@ -0,0 +1,14 @@
+all: server client
+
+sockethelper.o:
+	gcc -c socketHelper.c -o sockethelper.o
+
+server: sockethelper.o
+	gcc sockethelper.o server.c -o server
+
+client: sockethelper.o
+	gcc sockethelper.o client.c -o client
+
+
+clean:
+	rm -rf sockethelper.o client server

chat/hofi2/client.c

@@ -0,0 +1,66 @@
+//
+// Created by joachim on 10/6/24.
+//
+
+#include <netinet/in.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include "socketHelper.h"
+
+int main() {
+    int socketFd;
+    struct sockaddr_in *address;
+
+    // Get a socket descriptor
+    socketFd = getSocketFd();
+    if (socketFd == -1) {
+        perror("Failed to get socket descriptor");
+        return 1;
+    }
+
+    // Create IPv4 address
+    address = createIPv4Address("127.0.0.1", 7585);
+    if (address == NULL) {
+        perror("Failed to create address");
+        close(socketFd); // Close the socket on error
+        return 1;
+    }
+
+    // Connect to the server
+    int result = connect(socketFd, (struct sockaddr*) address, sizeof(*address));
+    if (result == -1) {
+        perror("Failed to connect");
+        close(socketFd);
+        return 1;
+    }
+
+    char *message = "GET \\ HTTP/1.1\r\nHost:google.com\r\n\r\n";
+
+    // Send the message
+    if (send(socketFd, message, strlen(message), 0) == -1) {
+        perror("Failed to send message");
+        close(socketFd);
+        return 1;
+    }
+
+    // Receive response
+    char buffer[4096]; // Larger buffer to handle potentially large responses
+    int bytesReceived = recv(socketFd, buffer, sizeof(buffer) - 1, 0);
+    if (bytesReceived == -1) {
+        perror("Failed to receive data");
+        close(socketFd);
+        return 1;
+    }
+
+    // Ensure null termination (in case the response isn't already)
+    buffer[bytesReceived] = '\0';
+
+    // Print the response
+    printf("Response was:\n%s", buffer);
+
+    // Close the socket
+    close(socketFd);
+
+    return 0;
+}

chat/hofi2/server.c

@@ -0,0 +1,59 @@
+//
+// Created by joachim on 10/6/24.
+//
+
+#include <sys/socket.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include "./socketHelper.h"
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/types.h>
+
+
+
+#define handle_error(msg) \
+    do { perror(msg); exit(EXIT_FAILURE); } while (0)
+
+int main() {
+    int serverFD = socket(AF_INET, SOCK_STREAM, 0); 
+    //struct sockaddr_in *srvAddress = createIPv4Address("127.0.0.1", 7585);
+    struct sockaddr_in srvAddress;
+    //memset(&srvAddress, '0', sizeof(srvAddress));
+
+    srvAddress.sin_family = AF_INET;
+    srvAddress.sin_addr.s_addr = htonl(INADDR_ANY);
+    srvAddress.sin_port = htons(7585);
+
+    // printf("Port: %d\n", srvAddress->sin_port);
+
+    if (bind(serverFD, (struct sockaddr*)&srvAddress, sizeof(srvAddress))) {
+        handle_error("bind");
+    }
+    /* if (result == 0)
+        printf("Socket was bound successfully\n");
+    */
+
+    int listenResult = listen(serverFD, 10);
+    if (listenResult == 0)
+        printf("Listening was bound successfully\n");
+
+    struct sockaddr_in clientAddress;
+    uint clientAddressSize = sizeof clientAddress;
+    int clientSocketFD = accept(serverFD, (struct sockaddr *) &clientAddress, &clientAddressSize);
+
+    // Receive response
+    char buffer[4096]; // Larger buffer to handle potentially large responses
+    long bytesReceived = recv(clientSocketFD, buffer, sizeof(buffer) - 1, 0);
+    if (bytesReceived == -1) {
+        perror("Failed to receive data");
+        close(clientSocketFD);
+        return 1;
+    }
+
+    return 0;
+}

chat/hofi2/socketHelper.c

@@ -0,0 +1,22 @@
+#include "socketHelper.h"
+
+#include <string.h>
+#include <arpa/inet.h>
+#include <malloc.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+struct sockaddr_in* createIPv4Address (char *ip, int port) {
+    printf("Passed port: %d\n", port);
+    struct sockaddr_in *address = malloc(sizeof (struct sockaddr_in));
+    address->sin_family = AF_INET;
+    address->sin_port = htons(port);
+    address->sin_addr.s_addr = htonl(INADDR_ANY);
+    printf("Final port: %d\n", address->sin_port);
+    return address;
+}
+
+int getSocketFd() { return socket(AF_INET, SOCK_STREAM, 0); }

chat/hofi2/socketHelper.h

@@ -0,0 +1,7 @@
+#ifndef CHAT_SOCKETHELPER_H
+#define CHAT_SOCKETHELPER_H
+
+struct sockaddr_in* createIPv4Address (char *ip, int port);
+int getSocketFd();
+
+#endif //CHAT_SOCKETHELPER_H

chat/mapeexample/Makefile

@@ -0,0 +1,10 @@
+all: client server
+
+client:
+	gcc client.c -o client
+
+server:
+	gcc server.c -o server
+
+clean:
+	rm -f client server