Martin Kojtal / cc3000_hostdriver_mbedsocket Featured

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@4:15b58c119a0a, 2013-09-21 (annotated)

Committer:
Kojto
Date:
Sat Sep 21 15:01:05 2013 +0000
Revision:
4:15b58c119a0a
Parent:
0:615c697c33b0
Child:
5:245ac5b73132
mbed socket interface changes;   - socket init (creates upd/tcp socket);   - debug prints; host driver changes;   - blocking call when closing socket (Frank's recommedation);   - delete profiles (user info retrieved, then erased)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 4:15b58c119a0a 1 /* Copyright (C) 2012 mbed.org, MIT License
Kojto 4:15b58c119a0a 2 *
Kojto 4:15b58c119a0a 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Kojto 4:15b58c119a0a 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
Kojto 4:15b58c119a0a 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
Kojto 4:15b58c119a0a 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
Kojto 4:15b58c119a0a 7 * furnished to do so, subject to the following conditions:
Kojto 4:15b58c119a0a 8 *
Kojto 4:15b58c119a0a 9 * The above copyright notice and this permission notice shall be included in all copies or
Kojto 4:15b58c119a0a 10 * substantial portions of the Software.
Kojto 4:15b58c119a0a 11 *
Kojto 4:15b58c119a0a 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Kojto 4:15b58c119a0a 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Kojto 4:15b58c119a0a 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Kojto 4:15b58c119a0a 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Kojto 4:15b58c119a0a 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Kojto 4:15b58c119a0a 17 */
Kojto 4:15b58c119a0a 18 #include "Socket/Socket.h"
Kojto 4:15b58c119a0a 19 #include "Socket/Endpoint.h"
Kojto 4:15b58c119a0a 20 #include "Helper/def.h"
Kojto 4:15b58c119a0a 21 #include <cstring>
Kojto 4:15b58c119a0a 22
Kojto 4:15b58c119a0a 23 #include "cc3000.h"
Kojto 4:15b58c119a0a 24
Kojto 4:15b58c119a0a 25 /* Copied from lwip */
Kojto 4:15b58c119a0a 26 static char *inet_ntoa_r(const in_addr addr, char *buf, int buflen)
Kojto 4:15b58c119a0a 27 {
Kojto 4:15b58c119a0a 28 uint32_t s_addr;
Kojto 4:15b58c119a0a 29 char inv[3];
Kojto 4:15b58c119a0a 30 char *rp;
Kojto 4:15b58c119a0a 31 uint8_t *ap;
Kojto 4:15b58c119a0a 32 uint8_t rem;
Kojto 4:15b58c119a0a 33 uint8_t n;
Kojto 4:15b58c119a0a 34 uint8_t i;
Kojto 4:15b58c119a0a 35 int len = 0;
Kojto 4:15b58c119a0a 36
Kojto 4:15b58c119a0a 37 s_addr = addr.s_addr;
Kojto 4:15b58c119a0a 38
Kojto 4:15b58c119a0a 39 rp = buf;
Kojto 4:15b58c119a0a 40 ap = (uint8_t *)&s_addr;
Kojto 4:15b58c119a0a 41 for(n = 0; n < 4; n++) {
Kojto 4:15b58c119a0a 42 i = 0;
Kojto 4:15b58c119a0a 43 do {
Kojto 4:15b58c119a0a 44 rem = *ap % (uint8_t)10;
Kojto 4:15b58c119a0a 45 *ap /= (uint8_t)10;
Kojto 4:15b58c119a0a 46 inv[i++] = '0' + rem;
Kojto 4:15b58c119a0a 47 } while(*ap);
Kojto 4:15b58c119a0a 48 while(i--) {
Kojto 4:15b58c119a0a 49 if (len++ >= buflen) {
Kojto 4:15b58c119a0a 50 return NULL;
Kojto 4:15b58c119a0a 51 }
Kojto 4:15b58c119a0a 52 *rp++ = inv[i];
Kojto 4:15b58c119a0a 53 }
Kojto 4:15b58c119a0a 54 if (len++ >= buflen) {
Kojto 4:15b58c119a0a 55 return NULL;
Kojto 4:15b58c119a0a 56 }
Kojto 4:15b58c119a0a 57 *rp++ = '.';
Kojto 4:15b58c119a0a 58 ap++;
Kojto 4:15b58c119a0a 59 }
Kojto 4:15b58c119a0a 60 *--rp = 0;
Kojto 4:15b58c119a0a 61 return buf;
Kojto 4:15b58c119a0a 62 }
Kojto 0:615c697c33b0 63
Kojto 4:15b58c119a0a 64 Endpoint::Endpoint() {
Kojto 4:15b58c119a0a 65 _cc3000_module = cc3000::get_instance();
Kojto 4:15b58c119a0a 66 if (_cc3000_module == NULL) {
Kojto 4:15b58c119a0a 67 error("Endpoint constructor error: no cc3000 instance available!\r\n");
Kojto 4:15b58c119a0a 68 }
Kojto 4:15b58c119a0a 69 reset_address();
Kojto 4:15b58c119a0a 70 }
Kojto 4:15b58c119a0a 71 Endpoint::~Endpoint() {}
Kojto 4:15b58c119a0a 72
Kojto 4:15b58c119a0a 73 void Endpoint::reset_address(void) {
Kojto 4:15b58c119a0a 74 _ipAddress[0] = '\0';
Kojto 4:15b58c119a0a 75 std::memset(&_remote_host,0, sizeof(sockaddr_in));
Kojto 4:15b58c119a0a 76 }
Kojto 4:15b58c119a0a 77
Kojto 4:15b58c119a0a 78 int Endpoint::set_address(const char* host, const int port) {
Kojto 4:15b58c119a0a 79 reset_address();
Kojto 4:15b58c119a0a 80
Kojto 4:15b58c119a0a 81 // IP Address
Kojto 4:15b58c119a0a 82 char address[5];
Kojto 4:15b58c119a0a 83 char *p_address = address;
Kojto 4:15b58c119a0a 84
Kojto 4:15b58c119a0a 85 signed int add[5];
Kojto 4:15b58c119a0a 86
Kojto 4:15b58c119a0a 87 // Dot-decimal notation
Kojto 4:15b58c119a0a 88 int result = std::sscanf(host, "%3u.%3u.%3u.%3u", &add[0], &add[1], &add[2], &add[3]);
Kojto 4:15b58c119a0a 89 for (int i=0;i<4;i++) {
Kojto 4:15b58c119a0a 90 address[i] = add[i];
Kojto 4:15b58c119a0a 91 }
Kojto 4:15b58c119a0a 92
Kojto 4:15b58c119a0a 93 if (result != 4) {
Kojto 4:15b58c119a0a 94 //Resolve DNS address or populate hard-coded IP address
Kojto 4:15b58c119a0a 95 uint32_t address_integer;
Kojto 4:15b58c119a0a 96 _cc3000_module->_socket.get_host_by_name((uint8_t *)host, strlen(host) , &address_integer);
Kojto 4:15b58c119a0a 97
Kojto 4:15b58c119a0a 98 _remote_host.sin_addr.s_addr = address_integer;
Kojto 4:15b58c119a0a 99 inet_ntoa_r(_remote_host.sin_addr, _ipAddress, sizeof(_ipAddress));
Kojto 4:15b58c119a0a 100 // address[0] = (address_integer >> 24);
Kojto 4:15b58c119a0a 101 // address[1] = (address_integer >> 16);
Kojto 4:15b58c119a0a 102 // address[2] = (address_integer >> 8);
Kojto 4:15b58c119a0a 103 // address[3] = (address_integer >> 0);
Kojto 4:15b58c119a0a 104 // sprintf(_ipAddress,"%3u.%3u.%3u.%3u", address[0],address[1],address[2],address[3]);
Kojto 4:15b58c119a0a 105 // p_address = _ipAddress;
Kojto 4:15b58c119a0a 106 // _remote_host.sin_addr.s_addr = address_integer;
Kojto 4:15b58c119a0a 107 } else {
Kojto 4:15b58c119a0a 108 std::memcpy((char*)&_remote_host.sin_addr.s_addr, p_address, 4);
Kojto 4:15b58c119a0a 109 }
Kojto 4:15b58c119a0a 110
Kojto 4:15b58c119a0a 111 #if (CC3000_DEBUG == 1)
Kojto 4:15b58c119a0a 112 printf("DEBUG: remote host address (string): %s\n",_ipAddress);
Kojto 4:15b58c119a0a 113 printf("DEBUG: remote host address from s_addr : %d.%d.%d.%d\n",
Kojto 4:15b58c119a0a 114 int(_remote_host.sin_addr.s_addr & 0xFF),
Kojto 4:15b58c119a0a 115 int((_remote_host.sin_addr.s_addr & 0xFF00)>>8),
Kojto 4:15b58c119a0a 116 int((_remote_host.sin_addr.s_addr & 0xFF0000)>>16),
Kojto 4:15b58c119a0a 117 int((_remote_host.sin_addr.s_addr & 0xFF000000)>>24));
Kojto 4:15b58c119a0a 118 // address[0] = (_remote_host.sin_addr.s_addr >> 24);
Kojto 4:15b58c119a0a 119 // address[1] = (_remote_host.sin_addr.s_addr >> 16);
Kojto 4:15b58c119a0a 120 // address[2] = (_remote_host.sin_addr.s_addr >> 8);
Kojto 4:15b58c119a0a 121 // address[3] = (_remote_host.sin_addr.s_addr >> 0);
Kojto 4:15b58c119a0a 122 // printf("DEBUG: remote host address from s_addr: %3u.%3u.%3u.%3u\n",address[0],address[1],address[2],address[3]);
Kojto 4:15b58c119a0a 123 #endif
Kojto 4:15b58c119a0a 124 /* store address*/
Kojto 4:15b58c119a0a 125 _remote_host.sin_family = AF_INET;
Kojto 4:15b58c119a0a 126
Kojto 4:15b58c119a0a 127 // Set port
Kojto 4:15b58c119a0a 128 _remote_host.sin_port = htons(port);
Kojto 4:15b58c119a0a 129
Kojto 4:15b58c119a0a 130 return 0;
Kojto 4:15b58c119a0a 131 }
Kojto 4:15b58c119a0a 132
Kojto 4:15b58c119a0a 133 char* Endpoint::get_address() {
Kojto 4:15b58c119a0a 134 if ((_ipAddress[0] == '\0') && (_remote_host.sin_addr.s_addr != 0))
Kojto 4:15b58c119a0a 135 inet_ntoa_r(_remote_host.sin_addr, _ipAddress, sizeof(_ipAddress));
Kojto 4:15b58c119a0a 136 return _ipAddress;
Kojto 4:15b58c119a0a 137 }
Kojto 4:15b58c119a0a 138
Kojto 4:15b58c119a0a 139
Kojto 4:15b58c119a0a 140 int Endpoint::get_port() {
Kojto 4:15b58c119a0a 141 return ntohs(_remote_host.sin_port);
Kojto 4:15b58c119a0a 142 }