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-rw-r--r--libraries/Bridge/YunServer.cpp145
1 files changed, 145 insertions, 0 deletions
diff --git a/libraries/Bridge/YunServer.cpp b/libraries/Bridge/YunServer.cpp
new file mode 100644
index 0000000..c6d54e4
--- /dev/null
+++ b/libraries/Bridge/YunServer.cpp
@@ -0,0 +1,145 @@
+/*
+ Copyright (c) 2013 Arduino LLC. All right reserved.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include <YunServer.h>
+
+YunServer::YunServer(uint16_t _p, BridgeClass &_b) :
+ bridge(_b), port(_p), listening(false) {
+}
+
+void YunServer::begin() {
+ uint8_t tmp[] = {
+ 'N',
+ (port >> 8) & 0xFF,
+ port & 0xFF
+ };
+ uint8_t res[1];
+ bridge.transfer(tmp, 3, (const uint8_t *)"0.0.0.0", 7, res, 1);
+ listening = (res[0] == 1);
+}
+
+YunClient YunServer::accept() {
+ uint8_t cmd[] = {'k'};
+ uint8_t res[1];
+ unsigned int l = bridge.transfer(cmd, 1, res, 1);
+ if (l==0)
+ return YunClient();
+ return YunClient(res[0]);
+}
+
+YunClient::YunClient(int _h, BridgeClass &_b) :
+ bridge(_b), handle(_h), opened(true), buffered(0) {
+}
+
+YunClient::YunClient(BridgeClass &_b) :
+ bridge(_b), handle(0), opened(false), buffered(0) {
+}
+
+YunClient::~YunClient() {
+}
+
+YunClient& YunClient::operator=(const YunClient &_x) {
+ opened = _x.opened;
+ handle = _x.handle;
+ return *this;
+}
+
+void YunClient::stop() {
+ if (opened) {
+ uint8_t cmd[] = {'j', handle};
+ bridge.transfer(cmd, 2);
+ }
+ opened = false;
+}
+
+void YunClient::doBuffer() {
+ // If there are already char in buffer exit
+ if (buffered > 0)
+ return;
+
+ // Try to buffer up to 32 characters
+ readPos = 0;
+ uint8_t cmd[] = {'K', handle, sizeof(buffer)};
+ buffered = bridge.transfer(cmd, 3, buffer, sizeof(buffer));
+}
+
+int YunClient::available() {
+ // Look if there is new data available
+ doBuffer();
+ return buffered;
+}
+
+int YunClient::read() {
+ doBuffer();
+ if (buffered == 0)
+ return -1; // no chars available
+ else {
+ buffered--;
+ return buffer[readPos++];
+ }
+}
+
+int YunClient::read(uint8_t *buff, size_t size) {
+ int readed = 0;
+ do {
+ if (buffered == 0) {
+ doBuffer();
+ if (buffered == 0)
+ return readed;
+ }
+ buff[readed++] = buffer[readPos++];
+ buffered--;
+ } while (readed < size);
+ return readed;
+}
+
+int YunClient::peek() {
+ doBuffer();
+ if (buffered == 0)
+ return -1; // no chars available
+ else
+ return buffer[readPos];
+}
+
+size_t YunClient::write(uint8_t c) {
+ if (!opened)
+ return 0;
+ uint8_t cmd[] = {'l', handle, c};
+ bridge.transfer(cmd, 3);
+ return 1;
+}
+
+size_t YunClient::write(const uint8_t *buf, size_t size) {
+ if (!opened)
+ return 0;
+ uint8_t cmd[] = {'l', handle};
+ bridge.transfer(cmd, 2, buf, size, NULL, 0);
+ return size;
+}
+
+void YunClient::flush() {
+}
+
+uint8_t YunClient::connected() {
+ if (!opened)
+ return false;
+ uint8_t cmd[] = {'L', handle};
+ uint8_t res[1];
+ bridge.transfer(cmd, 2, res, 1);
+ return (res[0] == 1);
+}