corda/classpath/java-net.cpp
Joel Dice 87b02eb949 update copyright years
Previously, I used a shell script to extract modification date ranges
from the Git history, but that was complicated and unreliable, so now
every file just gets the same year range in its copyright header.  If
someone needs to know when a specific file was modified and by whom,
they can look at the Git history themselves; no need to include it
redundantly in the header.
2013-07-02 20:52:38 -06:00

81 lines
2.0 KiB
C++

/* Copyright (c) 2008-2013, Avian Contributors
Permission to use, copy, modify, and/or distribute this software
for any purpose with or without fee is hereby granted, provided
that the above copyright notice and this permission notice appear
in all copies.
There is NO WARRANTY for this software. See license.txt for
details. */
#include "jni.h"
#include "jni-util.h"
#ifdef PLATFORM_WINDOWS
# include <winsock2.h>
# define ONLY_ON_WINDOWS(x) x
#else
# include <netdb.h>
# include <sys/socket.h>
# include <netinet/in.h>
# define ONLY_ON_WINDOWS(x)
#endif
extern "C" JNIEXPORT void JNICALL
Java_java_net_Socket_init(JNIEnv* ONLY_ON_WINDOWS(e), jclass)
{
#ifdef PLATFORM_WINDOWS
static bool wsaInitialized = false;
if (not wsaInitialized) {
WSADATA data;
int r = WSAStartup(MAKEWORD(2, 2), &data);
if (r or LOBYTE(data.wVersion) != 2 or HIBYTE(data.wVersion) != 2) {
throwNew(e, "java/io/IOException", "WSAStartup failed");
} else {
wsaInitialized = true;
}
}
#endif
}
extern "C" JNIEXPORT jint JNICALL
Java_java_net_InetAddress_ipv4AddressForName(JNIEnv* e,
jclass,
jstring name)
{
const char* chars = e->GetStringUTFChars(name, 0);
if (chars) {
#ifdef PLATFORM_WINDOWS
hostent* host = gethostbyname(chars);
e->ReleaseStringUTFChars(name, chars);
if (host) {
return htonl(reinterpret_cast<in_addr*>(host->h_addr_list[0])->s_addr);
} else {
fprintf(stderr, "trouble %d\n", WSAGetLastError());
}
#else
addrinfo hints;
memset(&hints, 0, sizeof(addrinfo));
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
addrinfo* result;
int r = getaddrinfo(chars, 0, &hints, &result);
e->ReleaseStringUTFChars(name, chars);
jint address;
if (r != 0) {
address = 0;
} else {
address = htonl
(reinterpret_cast<sockaddr_in*>(result->ai_addr)->sin_addr.s_addr);
freeaddrinfo(result);
}
return address;
#endif
}
return 0;
}