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@16:f3676ae62f96, 2013-10-02 (annotated)

Committer:
SolderSplashLabs
Date:
Wed Oct 02 16:00:41 2013 +0000
Revision:
16:f3676ae62f96
Parent:
13:5e36c267e62f
Parent:
12:1c2a856c618a
Child:
17:14b6a3a2b622
Merged martins changes with mine

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 5:245ac5b73132 1 /* Copyright (C) 2013 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 5:245ac5b73132 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 char address[5];
Kojto 4:15b58c119a0a 82 char *p_address = address;
Kojto 4:15b58c119a0a 83
Kojto 4:15b58c119a0a 84 signed int add[5];
Kojto 4:15b58c119a0a 85
Kojto 4:15b58c119a0a 86 // Dot-decimal notation
Kojto 4:15b58c119a0a 87 int result = std::sscanf(host, "%3u.%3u.%3u.%3u", &add[0], &add[1], &add[2], &add[3]);
Kojto 4:15b58c119a0a 88 for (int i=0;i<4;i++) {
Kojto 4:15b58c119a0a 89 address[i] = add[i];
Kojto 4:15b58c119a0a 90 }
Kojto 5:245ac5b73132 91 std::memset(_ipAddress,0,sizeof(_ipAddress));
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;
SolderSplashLabs 16:f3676ae62f96 96 _cc3000_module->_socket.gethostbyname((uint8_t *)host, strlen(host) , &address_integer);
Kojto 4:15b58c119a0a 97
Kojto 9:4d12b82bc767 98 uint32_t ip = 0;
Kojto 9:4d12b82bc767 99 ip = (ip | (address_integer >> 24));
Kojto 9:4d12b82bc767 100 ip = (ip | ((address_integer & 0x00FF0000) >> 8));
Kojto 9:4d12b82bc767 101 ip = (ip | ((address_integer & 0x0000FF00) << 8));
Kojto 9:4d12b82bc767 102 ip = (ip | ((address_integer & 0x000000FF) << 24));
Kojto 8:4c42ca37ba33 103 _remote_host.sin_addr.s_addr = ip;
Kojto 4:15b58c119a0a 104 inet_ntoa_r(_remote_host.sin_addr, _ipAddress, sizeof(_ipAddress));
Kojto 4:15b58c119a0a 105 } else {
Kojto 4:15b58c119a0a 106 std::memcpy((char*)&_remote_host.sin_addr.s_addr, p_address, 4);
Kojto 4:15b58c119a0a 107 }
Kojto 4:15b58c119a0a 108
Kojto 5:245ac5b73132 109 _remote_host.sin_family = AF_INET;
Kojto 5:245ac5b73132 110 _remote_host.sin_port = htons(port);
Kojto 5:245ac5b73132 111
SolderSplashLabs 13:5e36c267e62f 112 DBG_SOCKET("remote host address (string): %s",get_address());
SolderSplashLabs 13:5e36c267e62f 113 DBG_SOCKET("remote host address from s_addr : %d.%d.%d.%d",
Kojto 4:15b58c119a0a 114 int(_remote_host.sin_addr.s_addr & 0xFF),
Kojto 5:245ac5b73132 115 int((_remote_host.sin_addr.s_addr & 0xFF00) >> 8),
Kojto 5:245ac5b73132 116 int((_remote_host.sin_addr.s_addr & 0xFF0000) >> 16),
Kojto 5:245ac5b73132 117 int((_remote_host.sin_addr.s_addr & 0xFF000000) >> 24));
SolderSplashLabs 13:5e36c267e62f 118 DBG_SOCKET("port: %d", port);
SolderSplashLabs 16:f3676ae62f96 119
Kojto 4:15b58c119a0a 120 return 0;
Kojto 4:15b58c119a0a 121 }
Kojto 4:15b58c119a0a 122
Kojto 4:15b58c119a0a 123 char* Endpoint::get_address() {
Kojto 4:15b58c119a0a 124 if ((_ipAddress[0] == '\0') && (_remote_host.sin_addr.s_addr != 0))
Kojto 4:15b58c119a0a 125 inet_ntoa_r(_remote_host.sin_addr, _ipAddress, sizeof(_ipAddress));
Kojto 4:15b58c119a0a 126 return _ipAddress;
Kojto 4:15b58c119a0a 127 }
Kojto 4:15b58c119a0a 128
Kojto 4:15b58c119a0a 129
Kojto 4:15b58c119a0a 130 int Endpoint::get_port() {
Kojto 4:15b58c119a0a 131 return ntohs(_remote_host.sin_port);
Kojto 4:15b58c119a0a 132 }