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Dependencies: F7_Ethernet WebSocketClient mbed mcp3008
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F7_Ethernet/Socket/Endpoint.cpp@0:f9b6112278fe, 2016-06-18 (annotated)
- Committer:
- DieterGraef
- Date:
- Sat Jun 18 10:49:12 2016 +0000
- Revision:
- 0:f9b6112278fe
Ethernet for the NUCLEO STM32F746 Board Testprogram uses DHCP and NTP to set the clock
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
DieterGraef | 0:f9b6112278fe | 1 | /* Copyright (C) 2012 mbed.org, MIT License |
DieterGraef | 0:f9b6112278fe | 2 | * |
DieterGraef | 0:f9b6112278fe | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
DieterGraef | 0:f9b6112278fe | 4 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
DieterGraef | 0:f9b6112278fe | 5 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
DieterGraef | 0:f9b6112278fe | 6 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
DieterGraef | 0:f9b6112278fe | 7 | * furnished to do so, subject to the following conditions: |
DieterGraef | 0:f9b6112278fe | 8 | * |
DieterGraef | 0:f9b6112278fe | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
DieterGraef | 0:f9b6112278fe | 10 | * substantial portions of the Software. |
DieterGraef | 0:f9b6112278fe | 11 | * |
DieterGraef | 0:f9b6112278fe | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
DieterGraef | 0:f9b6112278fe | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
DieterGraef | 0:f9b6112278fe | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
DieterGraef | 0:f9b6112278fe | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
DieterGraef | 0:f9b6112278fe | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
DieterGraef | 0:f9b6112278fe | 17 | */ |
DieterGraef | 0:f9b6112278fe | 18 | #include "Socket/Socket.h" |
DieterGraef | 0:f9b6112278fe | 19 | #include "Socket/Endpoint.h" |
DieterGraef | 0:f9b6112278fe | 20 | #include <cstring> |
DieterGraef | 0:f9b6112278fe | 21 | #include <cstdio> |
DieterGraef | 0:f9b6112278fe | 22 | |
DieterGraef | 0:f9b6112278fe | 23 | Endpoint::Endpoint() { |
DieterGraef | 0:f9b6112278fe | 24 | reset_address(); |
DieterGraef | 0:f9b6112278fe | 25 | } |
DieterGraef | 0:f9b6112278fe | 26 | Endpoint::~Endpoint() {} |
DieterGraef | 0:f9b6112278fe | 27 | |
DieterGraef | 0:f9b6112278fe | 28 | void Endpoint::reset_address(void) { |
DieterGraef | 0:f9b6112278fe | 29 | std::memset(&_remoteHost, 0, sizeof(struct sockaddr_in)); |
DieterGraef | 0:f9b6112278fe | 30 | _ipAddress[0] = '\0'; |
DieterGraef | 0:f9b6112278fe | 31 | } |
DieterGraef | 0:f9b6112278fe | 32 | |
DieterGraef | 0:f9b6112278fe | 33 | #include "stdio.h" |
DieterGraef | 0:f9b6112278fe | 34 | |
DieterGraef | 0:f9b6112278fe | 35 | int Endpoint::set_address(const char* host, const int port) { |
DieterGraef | 0:f9b6112278fe | 36 | reset_address(); |
DieterGraef | 0:f9b6112278fe | 37 | |
DieterGraef | 0:f9b6112278fe | 38 | // IP Address |
DieterGraef | 0:f9b6112278fe | 39 | char address[5]; |
DieterGraef | 0:f9b6112278fe | 40 | char *p_address = address; |
DieterGraef | 0:f9b6112278fe | 41 | |
DieterGraef | 0:f9b6112278fe | 42 | // Dot-decimal notation |
DieterGraef | 0:f9b6112278fe | 43 | int result = std::sscanf(host, "%3u.%3u.%3u.%3u", |
DieterGraef | 0:f9b6112278fe | 44 | (unsigned int*)&address[0], (unsigned int*)&address[1], |
DieterGraef | 0:f9b6112278fe | 45 | (unsigned int*)&address[2], (unsigned int*)&address[3]); |
DieterGraef | 0:f9b6112278fe | 46 | |
DieterGraef | 0:f9b6112278fe | 47 | if (result != 4) { |
DieterGraef | 0:f9b6112278fe | 48 | // Resolve address with DNS |
DieterGraef | 0:f9b6112278fe | 49 | struct hostent *host_address = lwip_gethostbyname(host); |
DieterGraef | 0:f9b6112278fe | 50 | if (host_address == NULL) |
DieterGraef | 0:f9b6112278fe | 51 | return -1; //Could not resolve address |
DieterGraef | 0:f9b6112278fe | 52 | p_address = (char*)host_address->h_addr_list[0]; |
DieterGraef | 0:f9b6112278fe | 53 | } |
DieterGraef | 0:f9b6112278fe | 54 | std::memcpy((char*)&_remoteHost.sin_addr.s_addr, p_address, 4); |
DieterGraef | 0:f9b6112278fe | 55 | |
DieterGraef | 0:f9b6112278fe | 56 | // Address family |
DieterGraef | 0:f9b6112278fe | 57 | _remoteHost.sin_family = AF_INET; |
DieterGraef | 0:f9b6112278fe | 58 | |
DieterGraef | 0:f9b6112278fe | 59 | // Set port |
DieterGraef | 0:f9b6112278fe | 60 | _remoteHost.sin_port = htons(port); |
DieterGraef | 0:f9b6112278fe | 61 | |
DieterGraef | 0:f9b6112278fe | 62 | return 0; |
DieterGraef | 0:f9b6112278fe | 63 | } |
DieterGraef | 0:f9b6112278fe | 64 | |
DieterGraef | 0:f9b6112278fe | 65 | int Endpoint::set_address(in_addr host) { |
DieterGraef | 0:f9b6112278fe | 66 | reset_address(); |
DieterGraef | 0:f9b6112278fe | 67 | inet_ntoa_r(host, _ipAddress, sizeof(_ipAddress)); |
DieterGraef | 0:f9b6112278fe | 68 | return 0; |
DieterGraef | 0:f9b6112278fe | 69 | } |
DieterGraef | 0:f9b6112278fe | 70 | |
DieterGraef | 0:f9b6112278fe | 71 | char* Endpoint::get_address() { |
DieterGraef | 0:f9b6112278fe | 72 | if ((_ipAddress[0] == '\0') && (_remoteHost.sin_addr.s_addr != 0)) |
DieterGraef | 0:f9b6112278fe | 73 | inet_ntoa_r(_remoteHost.sin_addr, _ipAddress, sizeof(_ipAddress)); |
DieterGraef | 0:f9b6112278fe | 74 | return _ipAddress; |
DieterGraef | 0:f9b6112278fe | 75 | } |
DieterGraef | 0:f9b6112278fe | 76 | |
DieterGraef | 0:f9b6112278fe | 77 | int Endpoint::get_port() { |
DieterGraef | 0:f9b6112278fe | 78 | return ntohs(_remoteHost.sin_port); |
DieterGraef | 0:f9b6112278fe | 79 | } |