mirror of
https://github.com/emsesp/EMS-ESP32.git
synced 2025-12-06 15:59:52 +03:00
92 lines
1.9 KiB
C++
92 lines
1.9 KiB
C++
/*
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Copyright (c) 2022 Bert Melis. All rights reserved.
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This work is licensed under the terms of the MIT license.
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For a copy, see <https://opensource.org/licenses/MIT> or
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the LICENSE file.
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*/
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#include "ClientPosix.h"
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#if defined(__linux__)
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namespace espMqttClientInternals {
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ClientPosix::ClientPosix()
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: _sockfd(-1)
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, _host() {
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// empty
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}
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ClientPosix::~ClientPosix() {
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ClientPosix::stop();
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}
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bool ClientPosix::connect(IPAddress ip, uint16_t port) {
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if (connected()) stop();
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_sockfd = ::socket(AF_INET, SOCK_STREAM, 0);
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if (_sockfd < 0) {
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emc_log_e("Error %d opening socket", errno);
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}
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int flag = 1;
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if (setsockopt(_sockfd, IPPROTO_TCP, TCP_NODELAY, &flag, sizeof(int)) < 0) {
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emc_log_e("Error %d disabling nagle", errno);
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}
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memset(&_host, 0, sizeof(_host));
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_host.sin_family = AF_INET;
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_host.sin_addr.s_addr = htonl(uint32_t(ip));
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_host.sin_port = htons(port); // modified by proddy for EMS-ESP compiling standalone
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int ret = ::connect(_sockfd, reinterpret_cast<sockaddr*>(&_host), sizeof(_host));
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if (ret < 0) {
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emc_log_e("Error connecting: %d - (%d) %s", ret, errno, strerror(errno));
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return false;
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}
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emc_log_i("Connected");
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return true;
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}
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bool ClientPosix::connect(const char* host, uint16_t port) {
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// tbi
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(void) host;
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(void) port;
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return false;
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}
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size_t ClientPosix::write(const uint8_t* buf, size_t size) {
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return ::send(_sockfd, buf, size, 0);
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}
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int ClientPosix::read(uint8_t* buf, size_t size) {
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int ret = ::recv(_sockfd, buf, size, MSG_DONTWAIT);
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/*
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if (ret < 0) {
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emc_log_e("Error reading: %s", strerror(errno));
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}
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*/
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return ret;
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}
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void ClientPosix::stop() {
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if (_sockfd >= 0) {
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::close(_sockfd);
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_sockfd = -1;
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}
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}
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bool ClientPosix::connected() {
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return _sockfd >= 0;
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}
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bool ClientPosix::disconnected() {
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return _sockfd < 0;
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}
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} // namespace espMqttClientInternals
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#endif
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