cc3000 hostdriver with the mbed socket interface
Dependents: cc3000_hello_world_demo cc3000_simple_socket_demo cc3000_ntp_demo cc3000_ping_demo ... more
Socket/Endpoint.cpp
- Committer:
- Kojto
- Date:
- 2013-09-21
- Revision:
- 4:15b58c119a0a
- Parent:
- 0:615c697c33b0
- Child:
- 5:245ac5b73132
File content as of revision 4:15b58c119a0a:
/* Copyright (C) 2012 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "Socket/Socket.h"
#include "Socket/Endpoint.h"
#include "Helper/def.h"
#include <cstring>
#include "cc3000.h"
/* Copied from lwip */
static char *inet_ntoa_r(const in_addr addr, char *buf, int buflen)
{
uint32_t s_addr;
char inv[3];
char *rp;
uint8_t *ap;
uint8_t rem;
uint8_t n;
uint8_t i;
int len = 0;
s_addr = addr.s_addr;
rp = buf;
ap = (uint8_t *)&s_addr;
for(n = 0; n < 4; n++) {
i = 0;
do {
rem = *ap % (uint8_t)10;
*ap /= (uint8_t)10;
inv[i++] = '0' + rem;
} while(*ap);
while(i--) {
if (len++ >= buflen) {
return NULL;
}
*rp++ = inv[i];
}
if (len++ >= buflen) {
return NULL;
}
*rp++ = '.';
ap++;
}
*--rp = 0;
return buf;
}
Endpoint::Endpoint() {
_cc3000_module = cc3000::get_instance();
if (_cc3000_module == NULL) {
error("Endpoint constructor error: no cc3000 instance available!\r\n");
}
reset_address();
}
Endpoint::~Endpoint() {}
void Endpoint::reset_address(void) {
_ipAddress[0] = '\0';
std::memset(&_remote_host,0, sizeof(sockaddr_in));
}
int Endpoint::set_address(const char* host, const int port) {
reset_address();
// IP Address
char address[5];
char *p_address = address;
signed int add[5];
// Dot-decimal notation
int result = std::sscanf(host, "%3u.%3u.%3u.%3u", &add[0], &add[1], &add[2], &add[3]);
for (int i=0;i<4;i++) {
address[i] = add[i];
}
if (result != 4) {
//Resolve DNS address or populate hard-coded IP address
uint32_t address_integer;
_cc3000_module->_socket.get_host_by_name((uint8_t *)host, strlen(host) , &address_integer);
_remote_host.sin_addr.s_addr = address_integer;
inet_ntoa_r(_remote_host.sin_addr, _ipAddress, sizeof(_ipAddress));
// address[0] = (address_integer >> 24);
// address[1] = (address_integer >> 16);
// address[2] = (address_integer >> 8);
// address[3] = (address_integer >> 0);
// sprintf(_ipAddress,"%3u.%3u.%3u.%3u", address[0],address[1],address[2],address[3]);
// p_address = _ipAddress;
// _remote_host.sin_addr.s_addr = address_integer;
} else {
std::memcpy((char*)&_remote_host.sin_addr.s_addr, p_address, 4);
}
#if (CC3000_DEBUG == 1)
printf("DEBUG: remote host address (string): %s\n",_ipAddress);
printf("DEBUG: remote host address from s_addr : %d.%d.%d.%d\n",
int(_remote_host.sin_addr.s_addr & 0xFF),
int((_remote_host.sin_addr.s_addr & 0xFF00)>>8),
int((_remote_host.sin_addr.s_addr & 0xFF0000)>>16),
int((_remote_host.sin_addr.s_addr & 0xFF000000)>>24));
// address[0] = (_remote_host.sin_addr.s_addr >> 24);
// address[1] = (_remote_host.sin_addr.s_addr >> 16);
// address[2] = (_remote_host.sin_addr.s_addr >> 8);
// address[3] = (_remote_host.sin_addr.s_addr >> 0);
// printf("DEBUG: remote host address from s_addr: %3u.%3u.%3u.%3u\n",address[0],address[1],address[2],address[3]);
#endif
/* store address*/
_remote_host.sin_family = AF_INET;
// Set port
_remote_host.sin_port = htons(port);
return 0;
}
char* Endpoint::get_address() {
if ((_ipAddress[0] == '\0') && (_remote_host.sin_addr.s_addr != 0))
inet_ntoa_r(_remote_host.sin_addr, _ipAddress, sizeof(_ipAddress));
return _ipAddress;
}
int Endpoint::get_port() {
return ntohs(_remote_host.sin_port);
}
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