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Deleted header files in source directory

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master
Aadhavan Srinivasan 11 months ago
parent c87c3ce3a2
commit 24fb96684c
6 changed files with 0 additions and 429 deletions
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59
client.hpp
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#include "easysock.h"
#include <iostream>
/*
Client class - Defines a TCP/UDP client.
- The constructor takes in a **remote** address and port, and connects the client to that address/port.
*/
class Client {
private:
int ip_ver;
char protocol;
int port;
int sock_fd;
std::string address;
void create_socket() {
struct sockaddr* dest = (struct sockaddr *)malloc(sizeof(struct sockaddr));
this->sock_fd = create_remote(this->ip_ver, this->protocol, this->address.data(), this->port, dest);
}
public:
Client(int ip_ver, char protocol, const char* address, int port) {
/* Error checking */
if (ip_ver != 4 && ip_ver != 6) {
throw std::invalid_argument("Invalid IP address type");
}
if (port < 1024 || port > 65535) {
throw std::invalid_argument("Invalid port");
}
if (protocol != 'T' && protocol != 'U') {
throw std::invalid_argument("Invalid protocol");
}
this->ip_ver = ip_ver;
this->protocol = protocol;
this->port = port;
this->address = std::string(address);
create_socket();
}
void sendAll(std::string to_send) {
int str_length = to_send.length();
int num_bytes_sent = 0; /* Number of bytes sent in one call to send */
int total_bytes_sent = 0; /* Total number of bytes sent */
while (total_bytes_sent < str_length) {
num_bytes_sent = send(this->getSockFD(), to_send.substr(total_bytes_sent).data(), str_length - total_bytes_sent, 0);
total_bytes_sent += num_bytes_sent;
}
return;
}
int getSockFD() {
return sock_fd;
}
};

170
easysock.c
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#include "easysock.h"
int create_socket(int network, char transport) {
int domain;
int type;
if (network == 4) {
domain = AF_INET;
} else if (network == 6) {
domain = AF_INET6;
} else {
return -1;
}
if (transport == 'T') {
type = SOCK_STREAM;
} else if (transport == 'U') {
type = SOCK_DGRAM;
} else {
return -1;
}
int newSock = socket(domain,type,0);
return newSock;
}
int create_addr(int network, char* address, int port,struct sockaddr* dest) {
if (network == 4) {
struct sockaddr_in listen_address;
listen_address.sin_family = AF_INET;
listen_address.sin_port = htons(port);
inet_pton(AF_INET,address,&listen_address.sin_addr);
memcpy(dest,&listen_address,sizeof(listen_address));
return 0;
} else if (network == 6) {
struct sockaddr_in6 listen_ipv6;
listen_ipv6.sin6_family = AF_INET6;
listen_ipv6.sin6_port = htons(port);
inet_pton(AF_INET6,address,&listen_ipv6.sin6_addr);
memcpy(dest,&listen_ipv6,sizeof(listen_ipv6));
return 0;
} else {
return -202;
}
}
int create_local (int network, char transport, char* address, int port,struct sockaddr* addr_struct) {
int socket = create_socket(network,transport);
if (socket < 0) {
return (-1 * errno);
}
create_addr(network,address,port,addr_struct);
int addrlen;
if (network == 4) {
addrlen = sizeof(struct sockaddr_in);
} else if (network == 6) {
addrlen = sizeof(struct sockaddr_in6);
} else {
return -202;
}
/* The value of addrlen should be the size of the 'sockaddr'.
This should be set to the size of 'sockaddr_in' for IPv4, and 'sockaddr_in6' for IPv6.
See https://stackoverflow.com/questions/73707162/socket-bind-failed-with-invalid-argument-error-for-program-running-on-macos */
int i = bind (socket,addr_struct,(socklen_t)addrlen);
if (i < 0) {
return (-1 * errno);
}
return socket;
}
int create_remote (int network,char transport,char* address,int port,struct sockaddr* remote_addr_struct) {
struct addrinfo hints; /* Used to tell getaddrinfo what kind of address we want */
struct addrinfo* results; /* Used by getaddrinfo to store the addresses */
if (check_ip_ver(address) < 0) { /* If the address is a domain name */
int err_code;
char* port_str = (char *)malloc(10 * sizeof(char));
sprintf(port_str,"%d",port); /* getaddrinfo expects a string for its port */
memset(&hints,'\0',sizeof(hints));
hints.ai_socktype = char_to_socktype(transport);
err_code = getaddrinfo(address,port_str,&hints,&results);
if (err_code != 0) {
return (-1 * err_code);
}
remote_addr_struct = results->ai_addr;
network = inet_to_int(results->ai_family);
} else {
create_addr(network,address,port,remote_addr_struct);
}
int socket = create_socket(network,transport);
if (socket < 0) {
return (-1 * errno);
}
int addrlen;
if (network == 4) {
addrlen = sizeof(struct sockaddr_in);
} else if (network == 6) {
addrlen = sizeof(struct sockaddr_in6);
} else {
return (-202);
}
/* The value of addrlen should be the size of the 'sockaddr'.
This should be set to the size of 'sockaddr_in' for IPv4, and 'sockaddr_in6' for IPv6.
See https://stackoverflow.com/questions/73707162/socket-bind-failed-with-invalid-argument-error-for-program-running-on-macos */
int i = connect(socket,remote_addr_struct,(socklen_t)addrlen);
if (i < 0) {
return (-1 * errno);
}
return socket;
}
int check_ip_ver(char* address) {
char buffer[16]; /* 16 chars - 128 bits - is enough to hold an ipv6 address */
if (inet_pton(AF_INET,address,buffer) == 1) {
return 4;
} else if (inet_pton(AF_INET6,address,buffer) == 1) {
return 6;
} else {
return -1;
}
}
int int_to_inet(int network) {
if (network == 4) {
return AF_INET;
} else if (network == 6) {
return AF_INET6;
} else {
return -202;
}
}
int inet_to_int(int af_type) {
if (af_type == AF_INET) {
return 4;
} else if (af_type == AF_INET6) {
return 6;
} else {
return -207;
}
}
int char_to_socktype(char transport) {
if (transport == 'T') {
return SOCK_STREAM;
} else if (transport == 'U') {
return SOCK_DGRAM;
} else {
return -250;
}
}

76
easysock.h
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#ifndef EASYSOCK_H_
#define EASYSOCK_H_
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
/* This function takes:
a layer 3 - network layer - integer, which must be '4' for IPv4
and 6 for IPv6; and
a layer 4 - transport layer - character, which must be 'T' for
TCP or 'U' for UDP.
It returns the created socket, or -1 if the socket creation failed.*/
int create_socket(int network, char transport);
/* This function fills in the sockaddr struct 'dest' based on the given information.
'network' is an integer that contains '4' for IPv4 or '6' for IPv6;
'address' is the address that is filled into the struct;
port is self-explanatory;
and dest is a pointer to the sockaddr struct that will be filled in.
The function returns with -202 if the network parameter contained neither '4'
nor '6'. */
int create_addr(int network, char* address, int port,struct sockaddr* dest);
/* This function utilizes the above two functions; it creates the socket and
_binds_ the addresses. It is used for local sockets (server sockets). Parameters are
same as above.
It prints the error returned by 'bind' if something went wrong, and returns ( -1 * errno ).*/
int create_local (int network, char transport, char* address, int port,struct sockaddr* addr_struct);
/* This function utilizes the same functions as 'create_local' but _connects_ to the
requested address. It is used for remote sockets (client sockets). The paramters are same
as above. This function needs an empty 'sockaddr *' structure passed to it, which it will fill.
If something goes wrong, this function returns with ( -1 * errno ). */
int create_remote (int network,char transport,char* address,int port,struct sockaddr* remote_addr_struct);
/* check_ip_ver - This function checks if the given string is an IPv4 address (returns 4),
IPv6 address (returns 6) or neither (returns -1). */
int check_ip_ver(char* address);
/* int_to_inet - Takes an int value (4 for IPv4, 6 for IPv6) and returns AF_INET or
AF_INET6 respectively. */
int int_to_inet(int network);
/* char_to_socktype - Takes a character that represents a transport-layer protocol
(currently only supports 'T' for TCP or 'U' for UDP - it returns -250 if
the given characters is neither of these) and return the appropriate SOCKTYPE value. */
int char_to_socktype(char transport);
/* inet_to_int - Takes an int value that corresponds to AF_INET or AF_INET6,
and returns the appropriate int value. */
int inet_to_int(int af_type);
#endif

6
math-helpers.hpp
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int signum(int num) {
int retval = 0;
(num > 0) ? retval = 1 : retval = -1;
return retval;
}

56
paddle.hpp
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#ifndef PADDLE_H
#define PADDLE_H
class Paddle {
private:
/* Variables */
raylib::Rectangle rectangle;
raylib::Color color;
int points;
raylib::Vector2 initial_pos;
public:
/* Variables */
raylib::Vector2 velocity; /* This variable is made public to allow easy modification (no need for getters/setters) */
/* Functions */
Paddle(int pos_x, int pos_y, int width, int height) {
this->rectangle = raylib::Rectangle(pos_x, pos_y, width, height);
this->initial_pos = raylib::Vector2(pos_x, pos_y);
this->color = raylib::Color::White();
this->velocity = raylib::Vector2(0,0);
points = 0;
return;
}
raylib::Rectangle getRect() {
return this->rectangle;
}
int getPoints() {
return points;
}
void incrementPoints() {
points++;
return;
}
void reset() {
this->rectangle.x = this->initial_pos.x;
this->rectangle.y = this->initial_pos.y;
this->velocity = raylib::Vector2(0,0);
return;
}
void updatePosition() {
this->rectangle.x += this->velocity.x;
this->rectangle.y += this->velocity.y;
return;
}
void draw() {
this->rectangle.Draw(this->color);
return;
}
};
#endif

62
server.hpp
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#include "easysock.h"
#include <iostream>
/*
Server class - Defines a TCP/UDP server.
- The constructor takes in a **local** address and port, on which the server listens.
*/
class Server {
private:
int ip_ver;
char protocol;
int port;
int sock_fd;
std::string address;
void create_socket() {
struct sockaddr* dest = (struct sockaddr *)malloc(sizeof(struct sockaddr));
this->sock_fd = create_local(this->ip_ver, this->protocol, this->address.data(), this->port, dest);
}
public:
Server(int ip_ver, char protocol, int port) {
/* Error checking */
if (ip_ver != 4 && ip_ver != 6) {
throw std::invalid_argument("Invalid IP address type");
}
if (port < 1024 || port > 65535) {
throw std::invalid_argument("Invalid port");
}
if (protocol != 'T' && protocol != 'U') {
throw std::invalid_argument("Invalid protocol");
}
this->ip_ver = ip_ver;
this->protocol = protocol;
this->port = port;
if (ip_ver == 4) {
this->address = "127.0.0.1";
} else if (ip_ver == 6) {
this->address = "::1";
}
create_socket();
}
std::string recvAll() {
std::string string = std::string();
char* buffer = (char *)malloc(100);
while (recv(this->getSockFD(), buffer, 100, 0) != 0) {
string.append(std::string(buffer));
}
return string;
}
int getSockFD() {
return sock_fd;
}
};
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