a library to use GPRS like ethernet or wifi, which makes it possible to connect to the internet with your GPRS module
Dependencies: BufferedSerial
Dependents: ThinkSpeak_Test roam_v1 roam_v2 finalv3
Fork of GPRSInterface by
Socket/TCPSocketConnection.cpp@9:38800611a613, 2015-03-09 (annotated)
- Committer:
- yihui
- Date:
- Mon Mar 09 07:25:05 2015 +0000
- Revision:
- 9:38800611a613
- Parent:
- 4:1142bdd07989
- Child:
- 13:379ce1d51b88
bug fix
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
lawliet | 0:8ccbd963e74d | 1 | /* |
lawliet | 0:8ccbd963e74d | 2 | TCPSocketConnection.cpp |
lawliet | 0:8ccbd963e74d | 3 | 2014 Copyright (c) Seeed Technology Inc. All right reserved. |
lawliet | 0:8ccbd963e74d | 4 | |
lawliet | 0:8ccbd963e74d | 5 | Author:lawliet zou(lawliet.zou@gmail.com) |
lawliet | 0:8ccbd963e74d | 6 | 2014-2-24 |
lawliet | 0:8ccbd963e74d | 7 | |
lawliet | 0:8ccbd963e74d | 8 | This library is free software; you can redistribute it and/or |
lawliet | 0:8ccbd963e74d | 9 | modify it under the terms of the GNU Lesser General Public |
lawliet | 0:8ccbd963e74d | 10 | License as published by the Free Software Foundation; either |
lawliet | 0:8ccbd963e74d | 11 | version 2.1 of the License, or (at your option) any later version. |
lawliet | 0:8ccbd963e74d | 12 | |
lawliet | 0:8ccbd963e74d | 13 | This library is distributed in the hope that it will be useful, |
lawliet | 0:8ccbd963e74d | 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
lawliet | 0:8ccbd963e74d | 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
lawliet | 0:8ccbd963e74d | 16 | Lesser General Public License for more details. |
lawliet | 0:8ccbd963e74d | 17 | |
lawliet | 0:8ccbd963e74d | 18 | You should have received a copy of the GNU Lesser General Public |
lawliet | 0:8ccbd963e74d | 19 | License along with this library; if not, write to the Free Software |
lawliet | 0:8ccbd963e74d | 20 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
lawliet | 0:8ccbd963e74d | 21 | */ |
lawliet | 0:8ccbd963e74d | 22 | |
lawliet | 0:8ccbd963e74d | 23 | #include "TCPSocketConnection.h" |
lawliet | 0:8ccbd963e74d | 24 | |
lawliet | 0:8ccbd963e74d | 25 | TCPSocketConnection::TCPSocketConnection() |
lawliet | 0:8ccbd963e74d | 26 | { |
lawliet | 0:8ccbd963e74d | 27 | } |
lawliet | 0:8ccbd963e74d | 28 | |
lawliet | 0:8ccbd963e74d | 29 | int TCPSocketConnection::connect(const char* host, const int port) |
lawliet | 0:8ccbd963e74d | 30 | { |
lawliet | 0:8ccbd963e74d | 31 | if (_sock_fd < 0) { |
lawliet | 0:8ccbd963e74d | 32 | _sock_fd = gprs->new_socket(); |
lawliet | 0:8ccbd963e74d | 33 | if (_sock_fd < 0) { |
lawliet | 0:8ccbd963e74d | 34 | return -1; |
lawliet | 0:8ccbd963e74d | 35 | } |
lawliet | 0:8ccbd963e74d | 36 | } |
lawliet | 0:8ccbd963e74d | 37 | |
lawliet | 0:8ccbd963e74d | 38 | if (!gprs->connect(_sock_fd, TCP, host, port)) { |
yihui | 9:38800611a613 | 39 | return -1; |
lawliet | 0:8ccbd963e74d | 40 | } |
yihui | 9:38800611a613 | 41 | return 0; |
lawliet | 0:8ccbd963e74d | 42 | } |
lawliet | 0:8ccbd963e74d | 43 | |
lawliet | 0:8ccbd963e74d | 44 | bool TCPSocketConnection::is_connected(void) |
lawliet | 0:8ccbd963e74d | 45 | { |
yihui | 9:38800611a613 | 46 | if (_sock_fd < 0) { |
yihui | 9:38800611a613 | 47 | return false; |
yihui | 9:38800611a613 | 48 | } |
lawliet | 0:8ccbd963e74d | 49 | return gprs->is_connected(_sock_fd); |
lawliet | 0:8ccbd963e74d | 50 | } |
lawliet | 0:8ccbd963e74d | 51 | |
lawliet | 0:8ccbd963e74d | 52 | int TCPSocketConnection::send(char* data, int length) |
lawliet | 0:8ccbd963e74d | 53 | { |
lawliet | 0:8ccbd963e74d | 54 | int size = gprs->wait_writeable(_sock_fd, length); |
lawliet | 0:8ccbd963e74d | 55 | if (size < 0) { |
lawliet | 0:8ccbd963e74d | 56 | return -1; |
lawliet | 0:8ccbd963e74d | 57 | } |
lawliet | 0:8ccbd963e74d | 58 | if (size > length) { |
lawliet | 0:8ccbd963e74d | 59 | size = length; |
lawliet | 0:8ccbd963e74d | 60 | } |
lawliet | 0:8ccbd963e74d | 61 | return gprs->send(_sock_fd, data, size); |
lawliet | 0:8ccbd963e74d | 62 | } |
lawliet | 0:8ccbd963e74d | 63 | |
lawliet | 0:8ccbd963e74d | 64 | int TCPSocketConnection::send_all(char* data, int length) |
lawliet | 0:8ccbd963e74d | 65 | { |
lawliet | 0:8ccbd963e74d | 66 | return send(data,length); |
lawliet | 0:8ccbd963e74d | 67 | } |
lawliet | 0:8ccbd963e74d | 68 | |
lawliet | 0:8ccbd963e74d | 69 | int TCPSocketConnection::receive(char* data, int length) |
lawliet | 0:8ccbd963e74d | 70 | { |
lawliet | 3:acf2ea413e72 | 71 | #if 0 |
lawliet | 0:8ccbd963e74d | 72 | if (size < 0) { |
lawliet | 0:8ccbd963e74d | 73 | return -1; |
lawliet | 0:8ccbd963e74d | 74 | } |
lawliet | 0:8ccbd963e74d | 75 | if(size == 0) { |
lawliet | 0:8ccbd963e74d | 76 | size = gprs->wait_readable(_sock_fd, DEFAULT_TIMEOUT); |
lawliet | 0:8ccbd963e74d | 77 | } |
lawliet | 0:8ccbd963e74d | 78 | |
lawliet | 0:8ccbd963e74d | 79 | if(size > length) { |
lawliet | 0:8ccbd963e74d | 80 | size = size - length; |
lawliet | 0:8ccbd963e74d | 81 | } else { |
lawliet | 0:8ccbd963e74d | 82 | length = size; |
lawliet | 0:8ccbd963e74d | 83 | size = -1; |
lawliet | 0:8ccbd963e74d | 84 | } |
lawliet | 3:acf2ea413e72 | 85 | #endif |
lawliet | 3:acf2ea413e72 | 86 | int size = gprs->wait_readable(_sock_fd, DEFAULT_TIMEOUT); |
lawliet | 4:1142bdd07989 | 87 | return gprs->recv(_sock_fd, data, size>length?length:size); |
lawliet | 0:8ccbd963e74d | 88 | } |
lawliet | 0:8ccbd963e74d | 89 | |
lawliet | 0:8ccbd963e74d | 90 | int TCPSocketConnection::receive_all(char* data, int length) |
lawliet | 0:8ccbd963e74d | 91 | { |
lawliet | 0:8ccbd963e74d | 92 | return receive(data,length); |
lawliet | 0:8ccbd963e74d | 93 | } |