Files
squeezelite-esp32/components/spotify/cspot/bell/main/io/include/TCPSocket.h
2023-05-06 23:50:26 +02:00

126 lines
2.7 KiB
C++

#ifndef BELL_BASIC_SOCKET_H
#define BELL_BASIC_SOCKET_H
#include <ctype.h>
#include <stdlib.h>
#include <sys/types.h>
#include <cstring>
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include "BellSocket.h"
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#include "win32shim.h"
#else
#include <netdb.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <unistd.h>
#ifdef __sun
#include <sys/filio.h>
#endif
#endif
#include <BellLogger.h>
#include <fstream>
#include <sstream>
namespace bell {
class TCPSocket : public bell::Socket {
private:
int sockFd;
bool isClosed = true;
public:
TCPSocket(){};
~TCPSocket() { close(); };
int getFd() { return sockFd; }
void open(const 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);
isClosed = false;
}
size_t read(uint8_t* buf, size_t len) {
return recv(sockFd, (char*)buf, len, 0);
}
size_t write(uint8_t* buf, size_t len) {
return send(sockFd, (char*)buf, len, 0);
}
size_t poll() {
#ifdef _WIN32
unsigned long value;
ioctlsocket(sockFd, FIONREAD, &value);
#else
int value;
ioctl(sockFd, FIONREAD, &value);
#endif
return value;
}
bool isOpen() {
return !isClosed;
}
void close() {
if (!isClosed) {
#ifdef _WIN32
closesocket(sockFd);
#else
::close(sockFd);
#endif
sockFd = -1;
isClosed = true;
}
}
};
} // namespace bell
#endif