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esphome/esphome/components/socket/lwip_sockets_impl.cpp
T

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2.9 KiB
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#include "esphome/core/defines.h"
#include "esphome/core/helpers.h"
#include "socket.h"
#ifdef USE_SOCKET_IMPL_LWIP_SOCKETS
#include <cstring>
#include "esphome/core/application.h"
namespace esphome::socket {
LwIPSocketImpl::LwIPSocketImpl(int fd, bool monitor_loop) {
this->fd_ = fd;
// Register new socket with the application for select() if monitoring requested
if (monitor_loop && this->fd_ >= 0) {
// Only set loop_monitored_ to true if registration succeeds
this->loop_monitored_ = App.register_socket_fd(this->fd_);
}
}
LwIPSocketImpl::~LwIPSocketImpl() {
if (!this->closed_) {
this->close();
}
}
int LwIPSocketImpl::close() {
if (!this->closed_) {
// Unregister from select() before closing if monitored
if (this->loop_monitored_) {
App.unregister_socket_fd(this->fd_);
}
int ret = lwip_close(this->fd_);
this->closed_ = true;
return ret;
}
return 0;
}
int LwIPSocketImpl::setblocking(bool blocking) {
int fl = lwip_fcntl(this->fd_, F_GETFL, 0);
if (blocking) {
fl &= ~O_NONBLOCK;
} else {
fl |= O_NONBLOCK;
}
lwip_fcntl(this->fd_, F_SETFL, fl);
return 0;
}
bool LwIPSocketImpl::ready() const { return socket_ready_fd(this->fd_, this->loop_monitored_); }
size_t LwIPSocketImpl::getpeername_to(std::span<char, SOCKADDR_STR_LEN> buf) {
struct sockaddr_storage storage;
socklen_t len = sizeof(storage);
if (this->getpeername(reinterpret_cast<struct sockaddr *>(&storage), &len) != 0) {
buf[0] = '\0';
return 0;
}
return format_sockaddr_to(reinterpret_cast<struct sockaddr *>(&storage), len, buf);
}
size_t LwIPSocketImpl::getsockname_to(std::span<char, SOCKADDR_STR_LEN> buf) {
struct sockaddr_storage storage;
socklen_t len = sizeof(storage);
if (this->getsockname(reinterpret_cast<struct sockaddr *>(&storage), &len) != 0) {
buf[0] = '\0';
return 0;
}
return format_sockaddr_to(reinterpret_cast<struct sockaddr *>(&storage), len, buf);
}
// Helper to create a socket with optional monitoring
static std::unique_ptr<LwIPSocketImpl> create_socket(int domain, int type, int protocol, bool loop_monitored = false) {
int ret = lwip_socket(domain, type, protocol);
if (ret == -1)
return nullptr;
return make_unique<LwIPSocketImpl>(ret, loop_monitored);
}
std::unique_ptr<Socket> socket(int domain, int type, int protocol) {
return create_socket(domain, type, protocol, false);
}
std::unique_ptr<Socket> socket_loop_monitored(int domain, int type, int protocol) {
return create_socket(domain, type, protocol, true);
}
std::unique_ptr<ListenSocket> socket_listen(int domain, int type, int protocol) {
return create_socket(domain, type, protocol, false);
}
std::unique_ptr<ListenSocket> socket_listen_loop_monitored(int domain, int type, int protocol) {
return create_socket(domain, type, protocol, true);
}
} // namespace esphome::socket
#endif // USE_SOCKET_IMPL_LWIP_SOCKETS