1 | /*
|
---|
2 | Copyright (c) 2013 Arduino LLC. All right reserved.
|
---|
3 |
|
---|
4 | This library is free software; you can redistribute it and/or
|
---|
5 | modify it under the terms of the GNU Lesser General Public
|
---|
6 | License as published by the Free Software Foundation; either
|
---|
7 | version 2.1 of the License, or (at your option) any later version.
|
---|
8 |
|
---|
9 | This library is distributed in the hope that it will be useful,
|
---|
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
---|
12 | Lesser General Public License for more details.
|
---|
13 |
|
---|
14 | You should have received a copy of the GNU Lesser General Public
|
---|
15 | License along with this library; if not, write to the Free Software
|
---|
16 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
---|
17 | */
|
---|
18 |
|
---|
19 | #ifndef PROCESS_H_
|
---|
20 | #define PROCESS_H_
|
---|
21 |
|
---|
22 | #include <Bridge.h>
|
---|
23 |
|
---|
24 | class Process : public Stream {
|
---|
25 | public:
|
---|
26 | // Constructor with a user provided BridgeClass instance
|
---|
27 | Process(BridgeClass &_b = Bridge) :
|
---|
28 | bridge(_b), started(false), buffered(0), readPos(0) { }
|
---|
29 | ~Process();
|
---|
30 |
|
---|
31 | void begin(const String &command);
|
---|
32 | void addParameter(const String ¶m);
|
---|
33 | unsigned int run();
|
---|
34 | void runAsynchronously();
|
---|
35 | boolean running();
|
---|
36 | unsigned int exitValue();
|
---|
37 | void close();
|
---|
38 |
|
---|
39 | unsigned int runShellCommand(const String &command);
|
---|
40 | void runShellCommandAsynchronously(const String &command);
|
---|
41 |
|
---|
42 | operator bool () {
|
---|
43 | return started;
|
---|
44 | }
|
---|
45 |
|
---|
46 | // Stream methods
|
---|
47 | // (read from process stdout)
|
---|
48 | int available();
|
---|
49 | int read();
|
---|
50 | int peek();
|
---|
51 | // (write to process stdin)
|
---|
52 | size_t write(uint8_t);
|
---|
53 | void flush();
|
---|
54 | // TODO: add optimized function for block write
|
---|
55 |
|
---|
56 | private:
|
---|
57 | BridgeClass &bridge;
|
---|
58 | unsigned int handle;
|
---|
59 | String *cmdline;
|
---|
60 | boolean started;
|
---|
61 |
|
---|
62 | private:
|
---|
63 | void doBuffer();
|
---|
64 | uint8_t buffered;
|
---|
65 | uint8_t readPos;
|
---|
66 | static const int BUFFER_SIZE = 64;
|
---|
67 | uint8_t buffer[BUFFER_SIZE];
|
---|
68 |
|
---|
69 | };
|
---|
70 |
|
---|
71 | #endif
|
---|