148 lines
3.7 KiB
C++
148 lines
3.7 KiB
C++
/*
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PIP - Platform Independent Primitives
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PICloud Client
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Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "picloudclient.h"
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#include "picloudtcp.h"
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PICloudClient::PICloudClient(const PIString & path, PIIODevice::DeviceMode mode) : PIIODevice(path, mode), PICloudBase() {
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tcp.setRole(PICloud::TCP::Client);
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setName("cloud_client");
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is_connected = false;
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CONNECTL(ð, connected, [this](){tcp.sendStart();});
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CONNECTU(&streampacker, packetReceiveEvent, this, _readed);
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CONNECTL(ð, disconnected, [this](bool){
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piCoutObj << "disconnected";
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opened_ = false;
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is_connected = false;
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cond_connect.notifyOne();
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cond_buff.notifyOne();
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piMSleep(100);
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});
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}
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PICloudClient::~PICloudClient() {
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eth.close();
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if (is_connected) {
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is_connected = false;
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cond_buff.notifyOne();
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cond_connect.notifyOne();
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}
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close();
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stop();
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}
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void PICloudClient::setServerName(const PIString & server_name) {
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setName("cloud_client__" + server_name);
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tcp.setServerName(server_name);
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}
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void PICloudClient::setKeepConnection(bool on) {
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eth.setParameter(PIEthernet::KeepConnection, on);
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}
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bool PICloudClient::openDevice() {
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// piCout << "PICloudClient open device" << path();
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bool op = eth.connect(PIEthernet::Address::resolve(path()), false);
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if (op) {
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mutex_buff.lock();
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eth.startThreadedRead();
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bool conn_ok = cond_connect.waitFor(mutex_buff, (int)eth.readTimeout(), [this](){return isConnected();});
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piCoutObj << "conn_ok" << conn_ok;
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mutex_buff.unlock();
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if (!conn_ok) {
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eth.stop();
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eth.close();
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piMSleep(100);
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}
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return isConnected();
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} else {
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eth.close();
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return false;
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}
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}
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bool PICloudClient::closeDevice() {
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if (is_connected) {
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is_connected = false;
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cond_buff.notifyOne();
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cond_connect.notifyOne();
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}
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eth.stop();
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if (eth.isOpened()) eth.close();
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return true;
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}
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int PICloudClient::readDevice(void * read_to, int max_size) {
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// piCoutObj << "readDevice";
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if (!is_connected) return -1;
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mutex_buff.lock();
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cond_buff.wait(mutex_buff, [this](){return !buff.isEmpty();});
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int sz = piMini(max_size, buff.size());
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memcpy(read_to, buff.data(), sz);
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buff.remove(0, sz);
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mutex_buff.unlock();
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return sz;
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}
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int PICloudClient::writeDevice(const void * data, int size) {
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// piCoutObj << "writeDevice";
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return tcp.sendData(PIByteArray(data, size));
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}
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void PICloudClient::_readed(PIByteArray & ba) {
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mutex_buff.lock();
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PIPair<PICloud::TCP::Type, PICloud::TCP::Role> hdr = tcp.parseHeader(ba);
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if (hdr.second == tcp.role()) {
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switch (hdr.first) {
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case PICloud::TCP::Connect:
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if (tcp.parseConnect(ba) == 1) {
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is_connected = true;
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cond_connect.notifyOne();
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}
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break;
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case PICloud::TCP::Disconnect:
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is_connected = false;
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eth.stop();
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eth.close();
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break;
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case PICloud::TCP::Data:
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if (is_connected) {
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buff.append(ba);
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cond_buff.notifyOne();
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}
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break;
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default:
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break;
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}
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//piCoutObj << "readed" << ba.toHex();
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}
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mutex_buff.unlock();
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while (buff.size_s() > threadedReadBufferSize()) piMSleep(100);
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}
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