Files
squeezelite-esp32/components/spotify/cspot/bell/include/TCPSocket.h
2022-03-04 20:06:19 -08:00

104 lines
2.7 KiB
C++

#ifndef BELL_BASIC_SOCKET_H
#define BELL_BASIC_SOCKET_H
#include <memory>
#include <vector>
#include <string>
#include <iostream>
#include <ctype.h>
#include <cstring>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <netinet/in.h>
#include <unistd.h>
#include <sstream>
#include <fstream>
#include <netinet/tcp.h>
#include <BellLogger.h>
#include <sys/ioctl.h>
namespace bell
{
class TCPSocket : public bell::Socket
{
private:
int sockFd;
bool isClosed = false;
public:
TCPSocket() {};
~TCPSocket() {
close();
};
void open(std::string host, uint16_t port)
{
int err;
int domain = AF_INET;
int socketType = SOCK_STREAM;
struct addrinfo hints{}, *addr;
//fine-tune hints according to which socket you want to open
hints.ai_family = domain;
hints.ai_socktype = socketType;
hints.ai_protocol = IPPROTO_IP; // no enum : possible value can be read in /etc/protocols
hints.ai_flags = AI_CANONNAME | AI_ALL | AI_ADDRCONFIG;
// BELL_LOG(info, "http", "%s %d", host.c_str(), port);
char portStr[6];
sprintf(portStr, "%u", port);
err = getaddrinfo(host.c_str(), portStr, &hints, &addr);
if (err != 0) {
throw std::runtime_error("Resolve failed");
}
sockFd = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
err = connect(sockFd, addr->ai_addr, addr->ai_addrlen);
if (err < 0)
{
close();
BELL_LOG(error, "http", "Could not connect to %s. Error %d", host.c_str(), errno);
throw std::runtime_error("Resolve failed");
}
int flag = 1;
setsockopt(sockFd, /* socket affected */
IPPROTO_TCP, /* set option at TCP level */
TCP_NODELAY, /* name of option */
(char *)&flag, /* the cast is historical cruft */
sizeof(int)); /* length of option value */
freeaddrinfo(addr);
std::cout << "Socket opened" << std::endl;
}
size_t read(uint8_t *buf, size_t len) {
return recv(sockFd, buf, len, 0);
}
size_t write(uint8_t *buf, size_t len) {
return send(sockFd, buf, len, 0);
}
size_t poll() {
int value;
ioctl(sockFd, FIONREAD, &value);
return value;
}
void close() {
if (!isClosed) {
::close(sockFd);
isClosed = true;
}
}
};
}
#endif