| /* | |
| 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 | |
| */ | |
| class Process : public Stream { | |
| public: | |
| // Constructor with a user provided BridgeClass instance | |
| Process(BridgeClass &_b = Bridge) : | |
| bridge(_b), started(false), buffered(0), readPos(0) { } | |
| ~Process(); | |
| void begin(const String &command); | |
| void addParameter(const String ¶m); | |
| unsigned int run(); | |
| void runAsynchronously(); | |
| boolean running(); | |
| unsigned int exitValue(); | |
| void close(); | |
| unsigned int runShellCommand(const String &command); | |
| void runShellCommandAsynchronously(const String &command); | |
| operator bool () { | |
| return started; | |
| } | |
| // Stream methods | |
| // (read from process stdout) | |
| int available(); | |
| int read(); | |
| int peek(); | |
| // (write to process stdin) | |
| size_t write(uint8_t); | |
| void flush(); | |
| // TODO: add optimized function for block write | |
| private: | |
| BridgeClass &bridge; | |
| uint8_t handle; | |
| String *cmdline; | |
| boolean started; | |
| private: | |
| void doBuffer(); | |
| uint8_t buffered; | |
| uint8_t readPos; | |
| static const int BUFFER_SIZE = 64; | |
| uint8_t buffer[BUFFER_SIZE]; | |
| }; | |