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esphome-lsm6ds/esphome/components/socket/lwip_sockets_impl.h
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3.3 KiB
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#pragma once
#include "esphome/core/defines.h"
#ifdef USE_SOCKET_IMPL_LWIP_SOCKETS
#include <memory>
#include <span>
#include "esphome/core/helpers.h"
#include "headers.h"
#ifdef USE_LWIP_FAST_SELECT
struct lwip_sock;
#endif
namespace esphome::socket {
class LwIPSocketImpl {
public:
LwIPSocketImpl(int fd, bool monitor_loop = false);
~LwIPSocketImpl();
LwIPSocketImpl(const LwIPSocketImpl &) = delete;
LwIPSocketImpl &operator=(const LwIPSocketImpl &) = delete;
int connect(const struct sockaddr *addr, socklen_t addrlen) { return lwip_connect(this->fd_, addr, addrlen); }
std::unique_ptr<LwIPSocketImpl> accept(struct sockaddr *addr, socklen_t *addrlen) {
int fd = lwip_accept(this->fd_, addr, addrlen);
if (fd == -1)
return {};
return make_unique<LwIPSocketImpl>(fd, false);
}
std::unique_ptr<LwIPSocketImpl> accept_loop_monitored(struct sockaddr *addr, socklen_t *addrlen) {
int fd = lwip_accept(this->fd_, addr, addrlen);
if (fd == -1)
return {};
return make_unique<LwIPSocketImpl>(fd, true);
}
int bind(const struct sockaddr *addr, socklen_t addrlen) { return lwip_bind(this->fd_, addr, addrlen); }
int close();
int shutdown(int how) { return lwip_shutdown(this->fd_, how); }
int getpeername(struct sockaddr *addr, socklen_t *addrlen) { return lwip_getpeername(this->fd_, addr, addrlen); }
int getsockname(struct sockaddr *addr, socklen_t *addrlen) { return lwip_getsockname(this->fd_, addr, addrlen); }
/// Format peer address into a fixed-size buffer (no heap allocation)
size_t getpeername_to(std::span<char, SOCKADDR_STR_LEN> buf);
/// Format local address into a fixed-size buffer (no heap allocation)
size_t getsockname_to(std::span<char, SOCKADDR_STR_LEN> buf);
int getsockopt(int level, int optname, void *optval, socklen_t *optlen) {
return lwip_getsockopt(this->fd_, level, optname, optval, optlen);
}
int setsockopt(int level, int optname, const void *optval, socklen_t optlen) {
return lwip_setsockopt(this->fd_, level, optname, optval, optlen);
}
int listen(int backlog) { return lwip_listen(this->fd_, backlog); }
ssize_t read(void *buf, size_t len) { return lwip_read(this->fd_, buf, len); }
ssize_t recvfrom(void *buf, size_t len, sockaddr *addr, socklen_t *addr_len) {
return lwip_recvfrom(this->fd_, buf, len, 0, addr, addr_len);
}
ssize_t readv(const struct iovec *iov, int iovcnt) { return lwip_readv(this->fd_, iov, iovcnt); }
ssize_t write(const void *buf, size_t len) { return lwip_write(this->fd_, buf, len); }
ssize_t send(const void *buf, size_t len, int flags) { return lwip_send(this->fd_, buf, len, flags); }
ssize_t writev(const struct iovec *iov, int iovcnt) { return lwip_writev(this->fd_, iov, iovcnt); }
ssize_t sendto(const void *buf, size_t len, int flags, const struct sockaddr *to, socklen_t tolen) {
return lwip_sendto(this->fd_, buf, len, flags, to, tolen);
}
int setblocking(bool blocking);
int loop() { return 0; }
bool ready() const;
int get_fd() const { return this->fd_; }
protected:
int fd_{-1};
#ifdef USE_LWIP_FAST_SELECT
struct lwip_sock *cached_sock_{nullptr}; // Cached for direct rcvevent read in ready()
#endif
bool closed_{false};
bool loop_monitored_{false};
};
} // namespace esphome::socket
#endif // USE_SOCKET_IMPL_LWIP_SOCKETS