Mike Pulice / ublox_C200Test

Integrating the ublox LISA C200 modem

Fork of SprintUSBModemHTTPClientTest by Donatien Garnier

SprintUSBModem/Socket/UDPSocket.cpp@5:3f93dd1d4cb3, 2013-09-26 (annotated)

Committer:
sam_grove
Date:
Thu Sep 26 00:44:20 2013 -0500
Revision:
5:3f93dd1d4cb3
Exported program and replaced contents of the repo with the source

to build and debug using keil mdk. Libs NOT upto date are lwip, lwip-sys

and socket. these have newer versions under mbed_official but were starting

from a know working point

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 5:3f93dd1d4cb3 1 /* Copyright (C) 2012 mbed.org, MIT License
sam_grove 5:3f93dd1d4cb3 2 *
sam_grove 5:3f93dd1d4cb3 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
sam_grove 5:3f93dd1d4cb3 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
sam_grove 5:3f93dd1d4cb3 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
sam_grove 5:3f93dd1d4cb3 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
sam_grove 5:3f93dd1d4cb3 7 * furnished to do so, subject to the following conditions:
sam_grove 5:3f93dd1d4cb3 8 *
sam_grove 5:3f93dd1d4cb3 9 * The above copyright notice and this permission notice shall be included in all copies or
sam_grove 5:3f93dd1d4cb3 10 * substantial portions of the Software.
sam_grove 5:3f93dd1d4cb3 11 *
sam_grove 5:3f93dd1d4cb3 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
sam_grove 5:3f93dd1d4cb3 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
sam_grove 5:3f93dd1d4cb3 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
sam_grove 5:3f93dd1d4cb3 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
sam_grove 5:3f93dd1d4cb3 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
sam_grove 5:3f93dd1d4cb3 17 */
sam_grove 5:3f93dd1d4cb3 18
sam_grove 5:3f93dd1d4cb3 19 #include "Socket/UDPSocket.h"
sam_grove 5:3f93dd1d4cb3 20
sam_grove 5:3f93dd1d4cb3 21 #include <cstring>
sam_grove 5:3f93dd1d4cb3 22
sam_grove 5:3f93dd1d4cb3 23 using std::memset;
sam_grove 5:3f93dd1d4cb3 24
sam_grove 5:3f93dd1d4cb3 25 UDPSocket::UDPSocket() {
sam_grove 5:3f93dd1d4cb3 26 }
sam_grove 5:3f93dd1d4cb3 27
sam_grove 5:3f93dd1d4cb3 28 int UDPSocket::init(void) {
sam_grove 5:3f93dd1d4cb3 29 return init_socket(SOCK_DGRAM);
sam_grove 5:3f93dd1d4cb3 30 }
sam_grove 5:3f93dd1d4cb3 31
sam_grove 5:3f93dd1d4cb3 32 // Server initialization
sam_grove 5:3f93dd1d4cb3 33 int UDPSocket::bind(int port) {
sam_grove 5:3f93dd1d4cb3 34 if (init_socket(SOCK_DGRAM) < 0)
sam_grove 5:3f93dd1d4cb3 35 return -1;
sam_grove 5:3f93dd1d4cb3 36
sam_grove 5:3f93dd1d4cb3 37 struct sockaddr_in localHost;
sam_grove 5:3f93dd1d4cb3 38 std::memset(&localHost, 0, sizeof(localHost));
sam_grove 5:3f93dd1d4cb3 39
sam_grove 5:3f93dd1d4cb3 40 localHost.sin_family = AF_INET;
sam_grove 5:3f93dd1d4cb3 41 localHost.sin_port = htons(port);
sam_grove 5:3f93dd1d4cb3 42 localHost.sin_addr.s_addr = INADDR_ANY;
sam_grove 5:3f93dd1d4cb3 43
sam_grove 5:3f93dd1d4cb3 44 if (lwip_bind(_sock_fd, (const struct sockaddr *) &localHost, sizeof(localHost)) < 0) {
sam_grove 5:3f93dd1d4cb3 45 close();
sam_grove 5:3f93dd1d4cb3 46 return -1;
sam_grove 5:3f93dd1d4cb3 47 }
sam_grove 5:3f93dd1d4cb3 48
sam_grove 5:3f93dd1d4cb3 49 return 0;
sam_grove 5:3f93dd1d4cb3 50 }
sam_grove 5:3f93dd1d4cb3 51
sam_grove 5:3f93dd1d4cb3 52 // -1 if unsuccessful, else number of bytes written
sam_grove 5:3f93dd1d4cb3 53 int UDPSocket::sendTo(Endpoint &remote, char *packet, int length) {
sam_grove 5:3f93dd1d4cb3 54 if (_sock_fd < 0)
sam_grove 5:3f93dd1d4cb3 55 return -1;
sam_grove 5:3f93dd1d4cb3 56
sam_grove 5:3f93dd1d4cb3 57 if (!_blocking) {
sam_grove 5:3f93dd1d4cb3 58 TimeInterval timeout(_timeout);
sam_grove 5:3f93dd1d4cb3 59 if (wait_writable(timeout) != 0)
sam_grove 5:3f93dd1d4cb3 60 return 0;
sam_grove 5:3f93dd1d4cb3 61 }
sam_grove 5:3f93dd1d4cb3 62
sam_grove 5:3f93dd1d4cb3 63 return lwip_sendto(_sock_fd, packet, length, 0, (const struct sockaddr *) &remote._remoteHost, sizeof(remote._remoteHost));
sam_grove 5:3f93dd1d4cb3 64 }
sam_grove 5:3f93dd1d4cb3 65
sam_grove 5:3f93dd1d4cb3 66 // -1 if unsuccessful, else number of bytes received
sam_grove 5:3f93dd1d4cb3 67 int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length) {
sam_grove 5:3f93dd1d4cb3 68 if (_sock_fd < 0)
sam_grove 5:3f93dd1d4cb3 69 return -1;
sam_grove 5:3f93dd1d4cb3 70
sam_grove 5:3f93dd1d4cb3 71 if (!_blocking) {
sam_grove 5:3f93dd1d4cb3 72 TimeInterval timeout(_timeout);
sam_grove 5:3f93dd1d4cb3 73 if (wait_readable(timeout) != 0)
sam_grove 5:3f93dd1d4cb3 74 return 0;
sam_grove 5:3f93dd1d4cb3 75 }
sam_grove 5:3f93dd1d4cb3 76 remote.reset_address();
sam_grove 5:3f93dd1d4cb3 77 socklen_t remoteHostLen = sizeof(remote._remoteHost);
sam_grove 5:3f93dd1d4cb3 78 return lwip_recvfrom(_sock_fd, buffer, length, 0, (struct sockaddr*) &remote._remoteHost, &remoteHostLen);
sam_grove 5:3f93dd1d4cb3 79 }