erez i / cc3000_hostdriver_mbedsocket

version_2.0

Dependents:   cc3000_ping_demo_try_2

Fork of cc3000_hostdriver_mbedsocket by Martin Kojtal

Socket/Endpoint.cpp@42:bd2c631a031a, 2013-10-12 (annotated)

Committer:
SolderSplashLabs
Date:
Sat Oct 12 21:53:28 2013 +0000
Revision:
42:bd2c631a031a
Parent:
34:1ad18123bf11
Child:
45:50ab13d8f2dc
Added David's IRQ checking before re-enabling the IRQ.; Modified the is_connected function, connect + dhcp are needed ; Moved inet_ntoa_r to the socket class, not sure this is the best place, but other conversion functions live here.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 17:14b6a3a2b622 1 /* Copyright (C) 2013 mbed.org, MIT License
Kojto 17:14b6a3a2b622 2 *
Kojto 17:14b6a3a2b622 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Kojto 17:14b6a3a2b622 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
Kojto 17:14b6a3a2b622 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
Kojto 17:14b6a3a2b622 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
Kojto 17:14b6a3a2b622 7 * furnished to do so, subject to the following conditions:
Kojto 17:14b6a3a2b622 8 *
Kojto 17:14b6a3a2b622 9 * The above copyright notice and this permission notice shall be included in all copies or
Kojto 17:14b6a3a2b622 10 * substantial portions of the Software.
Kojto 17:14b6a3a2b622 11 *
Kojto 17:14b6a3a2b622 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Kojto 17:14b6a3a2b622 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Kojto 17:14b6a3a2b622 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Kojto 17:14b6a3a2b622 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Kojto 17:14b6a3a2b622 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Kojto 17:14b6a3a2b622 17 */
Kojto 17:14b6a3a2b622 18 #include "Socket/Socket.h"
Kojto 17:14b6a3a2b622 19 #include "Socket/Endpoint.h"
Kojto 17:14b6a3a2b622 20 #include "Helper/def.h"
Kojto 17:14b6a3a2b622 21 #include <cstring>
Kojto 17:14b6a3a2b622 22
Kojto 17:14b6a3a2b622 23 #include "cc3000.h"
Kojto 17:14b6a3a2b622 24
Kojto 17:14b6a3a2b622 25 /* Copied from lwip */
Kojto 17:14b6a3a2b622 26 static char *inet_ntoa_r(const in_addr addr, char *buf, int buflen)
Kojto 17:14b6a3a2b622 27 {
Kojto 17:14b6a3a2b622 28 uint32_t s_addr;
Kojto 17:14b6a3a2b622 29 char inv[3];
Kojto 17:14b6a3a2b622 30 char *rp;
Kojto 17:14b6a3a2b622 31 uint8_t *ap;
Kojto 17:14b6a3a2b622 32 uint8_t rem;
Kojto 17:14b6a3a2b622 33 uint8_t n;
Kojto 17:14b6a3a2b622 34 uint8_t i;
Kojto 17:14b6a3a2b622 35 int len = 0;
Kojto 17:14b6a3a2b622 36
Kojto 17:14b6a3a2b622 37 s_addr = addr.s_addr;
Kojto 17:14b6a3a2b622 38
Kojto 17:14b6a3a2b622 39 rp = buf;
Kojto 17:14b6a3a2b622 40 ap = (uint8_t *)&s_addr;
Kojto 17:14b6a3a2b622 41 for(n = 0; n < 4; n++) {
Kojto 17:14b6a3a2b622 42 i = 0;
Kojto 17:14b6a3a2b622 43 do {
Kojto 17:14b6a3a2b622 44 rem = *ap % (uint8_t)10;
Kojto 17:14b6a3a2b622 45 *ap /= (uint8_t)10;
Kojto 17:14b6a3a2b622 46 inv[i++] = '0' + rem;
Kojto 17:14b6a3a2b622 47 } while(*ap);
Kojto 17:14b6a3a2b622 48 while(i--) {
Kojto 17:14b6a3a2b622 49 if (len++ >= buflen) {
Kojto 17:14b6a3a2b622 50 return NULL;
Kojto 17:14b6a3a2b622 51 }
Kojto 17:14b6a3a2b622 52 *rp++ = inv[i];
Kojto 17:14b6a3a2b622 53 }
Kojto 17:14b6a3a2b622 54 if (len++ >= buflen) {
Kojto 17:14b6a3a2b622 55 return NULL;
Kojto 17:14b6a3a2b622 56 }
Kojto 17:14b6a3a2b622 57 *rp++ = '.';
Kojto 17:14b6a3a2b622 58 ap++;
Kojto 17:14b6a3a2b622 59 }
Kojto 17:14b6a3a2b622 60 *--rp = 0;
Kojto 17:14b6a3a2b622 61 return buf;
Kojto 17:14b6a3a2b622 62 }
Kojto 17:14b6a3a2b622 63
Kojto 17:14b6a3a2b622 64 Endpoint::Endpoint() {
Kojto 17:14b6a3a2b622 65 _cc3000_module = cc3000::get_instance();
Kojto 17:14b6a3a2b622 66 if (_cc3000_module == NULL) {
Kojto 17:14b6a3a2b622 67 error("Endpoint constructor error: no cc3000 instance available!\r\n");
Kojto 17:14b6a3a2b622 68 }
Kojto 17:14b6a3a2b622 69 reset_address();
Kojto 17:14b6a3a2b622 70 }
Kojto 17:14b6a3a2b622 71 Endpoint::~Endpoint() {}
Kojto 17:14b6a3a2b622 72
Kojto 17:14b6a3a2b622 73 void Endpoint::reset_address(void) {
Kojto 17:14b6a3a2b622 74 _ipAddress[0] = '\0';
Kojto 17:14b6a3a2b622 75 std::memset(&_remote_host, 0, sizeof(sockaddr_in));
Kojto 17:14b6a3a2b622 76 }
Kojto 17:14b6a3a2b622 77
Kojto 17:14b6a3a2b622 78 int Endpoint::set_address(const char* host, const int port) {
Kojto 17:14b6a3a2b622 79 reset_address();
Kojto 17:14b6a3a2b622 80
SolderSplashLabs 18:7e22775eadb9 81 int resolveRetCode;
Kojto 17:14b6a3a2b622 82 char address[5];
Kojto 17:14b6a3a2b622 83 char *p_address = address;
Kojto 17:14b6a3a2b622 84
Kojto 17:14b6a3a2b622 85 signed int add[5];
Kojto 17:14b6a3a2b622 86
Kojto 17:14b6a3a2b622 87 // Dot-decimal notation
Kojto 17:14b6a3a2b622 88 int result = std::sscanf(host, "%3u.%3u.%3u.%3u", &add[0], &add[1], &add[2], &add[3]);
Kojto 17:14b6a3a2b622 89 for (int i=0;i<4;i++) {
Kojto 17:14b6a3a2b622 90 address[i] = add[i];
Kojto 17:14b6a3a2b622 91 }
Kojto 17:14b6a3a2b622 92 std::memset(_ipAddress,0,sizeof(_ipAddress));
Kojto 17:14b6a3a2b622 93
Kojto 17:14b6a3a2b622 94 if (result != 4) {
Kojto 17:14b6a3a2b622 95 //Resolve DNS address or populate hard-coded IP address
Kojto 17:14b6a3a2b622 96 uint32_t address_integer;
SolderSplashLabs 18:7e22775eadb9 97 resolveRetCode = _cc3000_module->_socket.gethostbyname((uint8_t *)host, strlen(host) , &address_integer);
Kojto 34:1ad18123bf11 98
Kojto 34:1ad18123bf11 99 if ((resolveRetCode > -1) && (0 != address_integer)) {
Kojto 34:1ad18123bf11 100 _remote_host.sin_addr.s_addr = htonl(address_integer);
SolderSplashLabs 18:7e22775eadb9 101 inet_ntoa_r(_remote_host.sin_addr, _ipAddress, sizeof(_ipAddress));
Kojto 34:1ad18123bf11 102 } else {
SolderSplashLabs 18:7e22775eadb9 103 // Failed to resolve the address
SolderSplashLabs 18:7e22775eadb9 104 DBG_SOCKET("Failed to resolve the hostname : %s",host);
Kojto 34:1ad18123bf11 105 return (-1);
SolderSplashLabs 18:7e22775eadb9 106 }
Kojto 17:14b6a3a2b622 107 } else {
Kojto 17:14b6a3a2b622 108 std::memcpy((char*)&_remote_host.sin_addr.s_addr, p_address, 4);
Kojto 17:14b6a3a2b622 109 }
Kojto 17:14b6a3a2b622 110
Kojto 17:14b6a3a2b622 111 _remote_host.sin_family = AF_INET;
Kojto 17:14b6a3a2b622 112 _remote_host.sin_port = htons(port);
Kojto 17:14b6a3a2b622 113
Kojto 17:14b6a3a2b622 114 DBG_SOCKET("remote host address (string): %s",get_address());
Kojto 17:14b6a3a2b622 115 DBG_SOCKET("remote host address from s_addr : %d.%d.%d.%d",
Kojto 17:14b6a3a2b622 116 int(_remote_host.sin_addr.s_addr & 0xFF),
Kojto 17:14b6a3a2b622 117 int((_remote_host.sin_addr.s_addr & 0xFF00) >> 8),
Kojto 17:14b6a3a2b622 118 int((_remote_host.sin_addr.s_addr & 0xFF0000) >> 16),
Kojto 17:14b6a3a2b622 119 int((_remote_host.sin_addr.s_addr & 0xFF000000) >> 24));
Kojto 17:14b6a3a2b622 120 DBG_SOCKET("port: %d", port);
Kojto 34:1ad18123bf11 121
Kojto 17:14b6a3a2b622 122 return 0;
Kojto 17:14b6a3a2b622 123 }
Kojto 17:14b6a3a2b622 124
Kojto 17:14b6a3a2b622 125 char* Endpoint::get_address() {
Kojto 17:14b6a3a2b622 126 if ((_ipAddress[0] == '\0') && (_remote_host.sin_addr.s_addr != 0))
Kojto 17:14b6a3a2b622 127 inet_ntoa_r(_remote_host.sin_addr, _ipAddress, sizeof(_ipAddress));
Kojto 17:14b6a3a2b622 128 return _ipAddress;
Kojto 17:14b6a3a2b622 129 }
Kojto 17:14b6a3a2b622 130
Kojto 17:14b6a3a2b622 131
Kojto 17:14b6a3a2b622 132 int Endpoint::get_port() {
Kojto 17:14b6a3a2b622 133 return ntohs(_remote_host.sin_port);
Kojto 17:14b6a3a2b622 134 }