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99 lines
1.9 KiB
99 lines
1.9 KiB
/*
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*
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*/
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#include "UDPTCPNetwork.h"
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h> /* close() */
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#include <string.h> /* memset() */
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using namespace std;
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char dnsip[NET_HOSTLEN];
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int UDPTCPNetwork_init = 0;
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//
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// convert host and port to sockaddr_in6
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//
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int dns_filladdr (string host, string port, int ai_family, struct sockaddr_storage *sAddr) {
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struct addrinfo hints, *res;
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int err;
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bzero (&hints, sizeof (struct addrinfo));
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hints.ai_family = ai_family;
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hints.ai_socktype = SOCK_DGRAM;
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if ((err = getaddrinfo (host.c_str(), port.c_str(), &hints, &res)) < 0) {
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fprintf (stdout, "dns_filladdr (getaddrinfo):%s\n", gai_strerror (err));
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return -1;
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}
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memcpy (sAddr, res->ai_addr, res->ai_addrlen);
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freeaddrinfo (res);
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return 1;
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};
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//
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// convert int to char*
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//
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char* itoa(char* buffer, int number, int size) {
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snprintf (buffer, size, "%d", number);
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return buffer;
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};
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void UDPTCPNetwork_Startup() {
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if (UDPTCPNetwork_init != 0) return;
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printf ("%s\n", __FUNCTION__);
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#ifdef BUILD_WINDOWS
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WORD wVersionRequested;
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WSADATA wsaData;
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int err;
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/* Use the MAKEWORD(lowbyte, highbyte) macro declared in Windef.h */
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wVersionRequested = MAKEWORD(2, 2);
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err = WSAStartup(wVersionRequested, &wsaData);
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if (err != 0) {
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/* Tell the user that we could not find a usable */
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/* Winsock DLL. */
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printf("WSAStartup failed with error: %d\n", err);
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return;
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}
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#endif
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UDPTCPNetwork_init = 1;
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};
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int file_is_readable (const char *fname) {
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int f;
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if ((f = open(fname, O_RDONLY)) == -1) return 0;
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close (f);
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return 1;
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};
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std::string string_to_upper(std::string s) {
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for (int i = 0; i < s.length(); i++) s[i] = toupper(s[i]);
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return s;
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};
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std::string string_to_lower(std::string s) {
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for (int i = 0; i < s.length(); i++) s[i] = tolower(s[i]);
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return s;
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};
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