New: Base Project.

CMakeLists.txt

@@ -15,36 +15,35 @@ include_directories(${CMAKE_SOURCE_DIR}/libraries)
 
 # Gather all source files (.cpp, .c)
 file(GLOB_RECURSE PROJECT_SOURCES
-    ${CMAKE_SOURCE_DIR}/include/*.cpp
-    ${CMAKE_SOURCE_DIR}/include/*.c
-    ${CMAKE_SOURCE_DIR}/libraries/*.cpp
-    ${CMAKE_SOURCE_DIR}/libraries/*.c
-    ${CMAKE_SOURCE_DIR}/source/*.cpp
-    ${CMAKE_SOURCE_DIR}/source/*.c
+${CMAKE_SOURCE_DIR}/include/*.cpp
+${CMAKE_SOURCE_DIR}/include/*.c
+${CMAKE_SOURCE_DIR}/libraries/*.cpp
+${CMAKE_SOURCE_DIR}/libraries/*.c
+${CMAKE_SOURCE_DIR}/source/*.cpp
+${CMAKE_SOURCE_DIR}/source/*.c
 )
 
 # Gather all header files (.hpp, .h)
 file(GLOB_RECURSE PROJECT_HEADERS
-    ${CMAKE_SOURCE_DIR}/include/*.hpp
-    ${CMAKE_SOURCE_DIR}/include/*.h
-    ${CMAKE_SOURCE_DIR}/libraries/*.hpp
-    ${CMAKE_SOURCE_DIR}/libraries/*.h
-    ${CMAKE_SOURCE_DIR}/source/*.hpp
-    ${CMAKE_SOURCE_DIR}/source/*.h
+${CMAKE_SOURCE_DIR}/include/*.hpp
+${CMAKE_SOURCE_DIR}/include/*.h
+${CMAKE_SOURCE_DIR}/libraries/*.hpp
+${CMAKE_SOURCE_DIR}/libraries/*.h
+${CMAKE_SOURCE_DIR}/source/*.hpp
+${CMAKE_SOURCE_DIR}/source/*.h
 )
 
 # Allow user to set output program name
 option(OUTPUT_NAME "Name of the output executable" "")
 if(OUTPUT_NAME STREQUAL "")
-    set(EXECUTABLE_NAME ${PROJECT_NAME})
+set(EXECUTABLE_NAME ${PROJECT_NAME})
 else()
-    set(EXECUTABLE_NAME ${OUTPUT_NAME})
+set(EXECUTABLE_NAME ${OUTPUT_NAME})
 endif()
 
 # Add executable with all sources
 add_executable(${EXECUTABLE_NAME}
-    ${PROJECT_SOURCES}
-    ${PROJECT_HEADERS}
+${PROJECT_SOURCES}
 )
 
 # Set output name property (for consistency)
@@ -52,24 +51,24 @@ set_target_properties(${EXECUTABLE_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_NAM
 
 # Enable warnings and extra diagnostics
 if (MSVC)
-    target_compile_options(${EXECUTABLE_NAME} PRIVATE /W4 /permissive- /analyze)
+target_compile_options(${EXECUTABLE_NAME} PRIVATE /W4 /permissive- /analyze)
 else()
-    target_compile_options(${EXECUTABLE_NAME} PRIVATE
-        -Wall
-        -Wextra
-        -Wpedantic
-        -Wshadow
-        -Wconversion
-        -Wsign-conversion
-        -Wuninitialized
-        -Wunused
-        -Werror=return-type
-        -fsanitize=address,undefined
-        -g
-    )
-    target_link_options(${EXECUTABLE_NAME} PRIVATE -fsanitize=address,undefined)
+target_compile_options(${EXECUTABLE_NAME} PRIVATE
+    -Wall
+    -Wextra
+    -Wpedantic
+    -Wshadow
+    -Wconversion
+    -Wsign-conversion
+    -Wuninitialized
+    -Wunused
+    -Werror=return-type
+    -fsanitize=address,undefined
+    -g
+)
+target_link_options(${EXECUTABLE_NAME} PRIVATE -fsanitize=address,undefined)
 endif()
 
 # Optionally, enable testing
 # enable_testing()
-# add_subdirectory(tests)
+# add_subdirectory(tests)

compile_commands.json

@@ -0,0 +1 @@
+build/compile_commands.json

include/server_structs.h

@@ -0,0 +1,32 @@
+#ifndef SERVER_STRUCTS_H
+#define SERVER_STRUCTS_H
+
+struct handshake {
+    // [not used in the current Remote Telemtry version by AC]
+    // In future versions it will identify the platform type of the client.
+    // This will be used to adjust a specific behaviour for each platform. (eIPadDevice for now (1))
+    int identifier;
+
+    //  [not used in the current Remote Telemtry version by AC]
+    //  In future version this field will identify the AC Remote Telemetry version that the device expects to speak with.
+    int version;
+
+    // This is the type of operation required by the client.
+    // The following operations are now available:
+    // ----------------------------------------------------------------
+    //  HANDSHAKE = 0 :
+    //      This operation identifier must be set when the client wants to start the comunication.
+    //  
+    //  SUBSCRIBE_UPDATE = 1 :
+    //      This operation identifier must be set when the client wants to be updated from the specific ACServer.
+    //
+    //  SUBSCRIBE_SPOT = 2 :
+    //      This operation identifier must be set when the client wants to be updated from the specific ACServer just for SPOT Events (e.g.: the end of a lap).
+    //
+    //  DISMISS = 3 :
+    //      This operation identifier must be set when the client wants to leave the comunication with ACServer.
+    int operationId;
+} __attribute__((packed));
+
+
+#endif // SERVER_STRUCTS_H

include/socket.c

@@ -0,0 +1,58 @@
+#include "socket.h"
+
+int connect_udp_socket(const char* ip, int port) {
+    int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+    if (sockfd < 0) {
+        perror("socket creation failed");
+        return -1;
+    }
+
+    struct sockaddr_in servaddr;
+    memset(&servaddr, 0, sizeof(servaddr));
+
+    servaddr.sin_family = AF_INET;
+    servaddr.sin_port = htons(port);
+    servaddr.sin_addr.s_addr = inet_addr(ip);
+
+    if (connect(sockfd, (const struct sockaddr*)&servaddr, sizeof(servaddr)) < 0) {
+        perror("connection to the server failed");
+        close(sockfd);
+        return -1;
+    }
+
+    return sockfd;
+}
+
+int bind_udp_socket(int sockfd, const char* ip, int port) {
+    struct sockaddr_in servaddr;
+    memset(&servaddr, 0, sizeof(servaddr));
+
+    servaddr.sin_family = AF_INET;
+    servaddr.sin_addr.s_addr = inet_addr(ip);
+    servaddr.sin_port = htons(port);
+
+    if (bind(sockfd, (const struct sockaddr*)&servaddr, sizeof(servaddr)) < 0) {
+        perror("bind failed");
+        close(sockfd);
+        return -1;
+    }
+
+    return 0;
+}
+
+int send_udp_message(int sockfd, const char *message, const char *dest_ip, int dest_port) {
+    struct sockaddr_in destaddr;
+    memset(&destaddr, 0, sizeof(destaddr));
+
+    destaddr.sin_family = AF_INET;
+    destaddr.sin_port = htons(dest_port);
+    destaddr.sin_addr.s_addr = inet_addr(dest_ip);
+
+    int n = sendto(sockfd, message, strlen(message), 0, (const struct sockaddr*)&destaddr, sizeof(destaddr));
+    if (n < 0) {
+        perror("sendto failed");
+        return -1;
+    }
+
+    return n;
+}

include/socket.h

@@ -0,0 +1,23 @@
+#ifndef SOCKET_H
+#define SOCKET_H
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <cstring>
+
+// =========================
+// UDP SOCKET FUCNTIONS
+// =========================
+// Server hosts a UDP socket at 127.0.0.1:12000
+// Client sends a message to the server at 11000
+
+int connect_udp_socket(const char* ip, int port);
+
+int bind_udp_socket(int sockfd, const char* ip, int port);
+
+int send_udp_message(int sockfd, const char* message, const char* dest_ip, int dest_port);
+
+#endif // SOCKET_H
+

source/main.cpp

@@ -1,7 +1,36 @@
+#include <ctype.h>
 #include <iostream>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "server_structs.h"
+#include "socket.h"
+
+const int SERVER_OUT_PORT = 12000;
+const int SERVER_IN_PORT = 11000;
+const char *SERVER_IP = "127.0.0.1";
+
+int main(void) {
+    
+    printf("[+] Starting server...\n");
+    int n = connect_udp_socket(SERVER_IP, SERVER_OUT_PORT);
+    if (n < 0) {
+        fprintf(stderr, "[-] Failed to connect to UDP socket at %s:%d\n", SERVER_IP, SERVER_OUT_PORT);
+        return -1;
+    }
+
+    // TEST to see what server is sending:
+    char buffer[1024];
+    n = recvfrom(0, buffer, sizeof(buffer)-1, 0, NULL, NULL);
+    if (n < 0) {
+        perror("recvfrom failed");
+        return -1;
+    }
+
+    buffer[n] = '\0'; // Null-terminate the received message
+    printf("Received message: %s\n", buffer);
 
-int main()
-{
-    std::cout << "Hello, World!" << std::endl;
     return 0;
-}
+}