84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
/*
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* Copyright (C) 2016 Simon Fels <morphis@gravedo.de>
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 3, as published
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* by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranties of
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* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "android/service/local_socket_connection.h"
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <unistd.h>
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#include <errno.h>
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#define LOG_TAG "Anboxd"
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#include <cutils/log.h>
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namespace {
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bool socket_error_is_transient(int error_code) {
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return (error_code == EINTR);
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}
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}
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namespace anbox {
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LocalSocketConnection::LocalSocketConnection(const std::string &path) :
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fd_(Fd::invalid) {
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struct sockaddr_un socket_address;
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memset(&socket_address, 0, sizeof(socket_address));
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socket_address.sun_family = AF_UNIX;
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memcpy(socket_address.sun_path, path.data(), path.size());
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fd_ = Fd{socket(AF_UNIX, SOCK_STREAM, 0)};
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if (connect(fd_, reinterpret_cast<sockaddr*>(&socket_address), sizeof(socket_address)) < 0)
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throw std::runtime_error("Failed to connect to server socket");
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}
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LocalSocketConnection::~LocalSocketConnection() {
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if (fd_ > 0)
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::close(fd_);
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}
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ssize_t LocalSocketConnection::read_all(std::uint8_t *buffer, const size_t &size) {
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ssize_t bytes_read = ::recv(fd_, reinterpret_cast<void*>(buffer), size, 0);
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return bytes_read;
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}
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void LocalSocketConnection::send(char const* data, size_t length) {
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size_t bytes_written{0};
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while(bytes_written < length) {
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ssize_t const result = ::send(fd_,
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data + bytes_written,
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length - bytes_written,
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MSG_NOSIGNAL);
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if (result < 0) {
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if (socket_error_is_transient(errno))
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continue;
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else
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throw std::runtime_error("Failed to send message to server");
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}
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bytes_written += result;
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}
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}
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ssize_t LocalSocketConnection::send_raw(char const* data, size_t length) {
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(void)data;
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(void)length;
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return -EIO;
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}
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} // namespace anbox
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