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78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
#include "easysock.hpp"
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#include <iostream>
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#include <cerrno>
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#include "exception_consts.hpp"
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/*
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Client class - Defines a TCP/UDP client.
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- The constructor takes in a **remote** address and port, and connects the client to that address/port.
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*/
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class Client {
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private:
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int ip_ver;
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char protocol;
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int port;
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int sock_fd;
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std::string address;
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void create_socket() {
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struct sockaddr* dest = (struct sockaddr *)malloc(sizeof(struct sockaddr));
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this->sock_fd = create_remote(this->ip_ver, this->protocol, this->address.data(), this->port, dest);
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if (sock_fd < 0) {
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if (sock_fd * -1 == ECONNREFUSED) {
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throw EXCEPT_CONNREFUSED;
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}
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}
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}
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public:
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Client() {}
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Client(int ip_ver, char protocol, const char* address, int port) {
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/* Error checking */
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if (ip_ver != 4 && ip_ver != 6) {
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throw std::invalid_argument("Invalid IP address type");
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}
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if (port < 1024 || port > 65535) {
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throw std::invalid_argument("Invalid port");
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}
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if (protocol != 'T' && protocol != 'U') {
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throw std::invalid_argument("Invalid protocol");
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}
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this->ip_ver = ip_ver;
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this->protocol = protocol;
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this->port = port;
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this->address = std::string(address);
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/* Check to see if the given IP address matches the given ip_ver */
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if ((check_ip_ver(address.data() == 4 && ip_ver == 6) || (chcek_ip_ver(address.data() == 6 && address == 4)) {
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throw std::invalid_argument("Invalid IP address for given type.");
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}
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try {
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create_socket();
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} catch (int e) {
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throw;
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}
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}
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void sendAll(std::string to_send) {
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int str_length = to_send.length();
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int num_bytes_sent = 0; /* Number of bytes sent in one call to send */
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int total_bytes_sent = 0; /* Total number of bytes sent */
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while (total_bytes_sent < str_length) {
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num_bytes_sent = send(this->getSockFD(), to_send.substr(total_bytes_sent).data(), str_length - total_bytes_sent, 0);
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total_bytes_sent += num_bytes_sent;
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}
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return;
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}
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int getSockFD() {
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return sock_fd;
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}
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};
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