222 lines
8.6 KiB
C
222 lines
8.6 KiB
C
/* cpnet.h -
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Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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#ifndef _CLASSPATH_NET_H_INCLUDED
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#define _CLASSPATH_NET_H_INCLUDED
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#include <jni.h>
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#include <jcl.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#ifdef HAVE_NETINET_IN_SYSTM_H
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#include <netinet/in_systm.h>
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#endif /* HAVE_NETINET_IN_SYSTM_H */
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#include <netinet/in.h>
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#ifdef HAVE_NETINET_IP_H
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#include <netinet/ip.h>
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#endif /* HAVE_NETINET_IP_H */
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typedef struct {
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jint len;
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char data[1];
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} cpnet_address;
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#define CPNET_SHUTDOWN_READ 1
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#define CPNET_SHUTDOWN_WRITE 2
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JNIEXPORT jint cpnet_openSocketStream(JNIEnv *env, jint *fd, jint family);
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JNIEXPORT jint cpnet_openSocketDatagram(JNIEnv *env, jint *fd, jint family);
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JNIEXPORT jint cpnet_shutdown (JNIEnv *env, jint fd, jbyte flag);
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JNIEXPORT jint cpnet_close(JNIEnv *env, jint fd);
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JNIEXPORT jint cpnet_listen(JNIEnv *env, jint fd, jint queuelen);
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JNIEXPORT jint cpnet_accept(JNIEnv *env, jint fd, jint *newfd);
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JNIEXPORT jint cpnet_bind(JNIEnv *env, jint fd, cpnet_address *addr);
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JNIEXPORT jint cpnet_connect(JNIEnv *env, jint fd, cpnet_address *addr);
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JNIEXPORT jint cpnet_getLocalAddr(JNIEnv *env, jint fd, cpnet_address **addr);
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JNIEXPORT jint cpnet_getRemoteAddr(JNIEnv *env, jint fd, cpnet_address **addr);
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JNIEXPORT jint cpnet_setBroadcast(JNIEnv *env, jint fd, jint flag);
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JNIEXPORT jint cpnet_send (JNIEnv *env, jint fd, jbyte *data, jint len, jint *bytes_sent);
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JNIEXPORT jint cpnet_sendTo (JNIEnv *env, jint fd, jbyte *data, jint len, cpnet_address *addr, jint *bytes_sent);
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JNIEXPORT jint cpnet_recv (JNIEnv *env, jint fd, jbyte *data, jint len, jint *bytes_recv);
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JNIEXPORT jint cpnet_recvFrom (JNIEnv *env, jint fd, jbyte *data, jint len, cpnet_address **addr, jint *bytes_recv);
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JNIEXPORT jint cpnet_setSocketTCPNoDelay (JNIEnv *env, jint fd, jint nodelay);
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JNIEXPORT jint cpnet_getSocketTCPNoDelay (JNIEnv *env, jint fd, jint *nodelay);
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JNIEXPORT jint cpnet_setLinger (JNIEnv *env, jint fd, jint flag, jint value);
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JNIEXPORT jint cpnet_getLinger (JNIEnv *env, jint fd, jint *flag, jint *value);
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JNIEXPORT jint cpnet_setSocketTimeout (JNIEnv *env, jint fd, jint value);
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JNIEXPORT jint cpnet_getSocketTimeout (JNIEnv *env, jint fd, jint *value);
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JNIEXPORT jint cpnet_setSendBuf (JNIEnv *env, jint fd, jint value);
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JNIEXPORT jint cpnet_getSendBuf (JNIEnv *env, jint fd, jint *value);
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JNIEXPORT jint cpnet_setRecvBuf (JNIEnv *env, jint fd, jint value);
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JNIEXPORT jint cpnet_getRecvBuf (JNIEnv *env, jint fd, jint *value);
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JNIEXPORT jint cpnet_setTTL (JNIEnv *env, jint fd, jint value);
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JNIEXPORT jint cpnet_getTTL (JNIEnv *env, jint fd, jint *value);
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JNIEXPORT jint cpnet_setMulticastIF (JNIEnv *env, jint fd, cpnet_address *addr);
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JNIEXPORT jint cpnet_getMulticastIF (JNIEnv *env, jint fd, cpnet_address **addr);
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JNIEXPORT jint cpnet_setReuseAddress (JNIEnv *env, jint fd, jint reuse);
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JNIEXPORT jint cpnet_getReuseAddress (JNIEnv *env, jint fd, jint *reuse);
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JNIEXPORT jint cpnet_setKeepAlive (JNIEnv *env, jint fd, jint keep);
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JNIEXPORT jint cpnet_getKeepAlive (JNIEnv *env, jint fd, jint *keep);
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JNIEXPORT jint cpnet_getBindAddress (JNIEnv *env, jint fd, cpnet_address **addr);
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JNIEXPORT jint cpnet_addMembership (JNIEnv *env, jint fd, cpnet_address *addr);
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JNIEXPORT jint cpnet_dropMembership (JNIEnv *env, jint fd, cpnet_address *addr);
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JNIEXPORT jint cpnet_getAvailableBytes (JNIEnv *env, jint fd, jint *availableBytes);
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JNIEXPORT jint cpnet_getHostname (JNIEnv *env, char *hostname, jint hostname_len);
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JNIEXPORT jint cpnet_getHostByName (JNIEnv *env, const char *hostname, cpnet_address ***adresses, jint *addresses_count);
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JNIEXPORT jint cpnet_getHostByAddr (JNIEnv *env, cpnet_address *addr, char *hostname, jint hostname_len);
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JNIEXPORT jint cpnet_aton (JNIEnv *env, const char *hostname, cpnet_address **addr);
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JNIEXPORT void cpnet_freeAddresses(JNIEnv * env, cpnet_address **addr, jint addresses_count);
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static inline cpnet_address *cpnet_newIPV4Address(JNIEnv * env)
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{
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cpnet_address *addr = (cpnet_address *)JCL_malloc(env, sizeof(cpnet_address) + sizeof(struct sockaddr_in));
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struct sockaddr_in *netaddr = (struct sockaddr_in *)&(addr->data[0]);
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addr->len = sizeof(struct sockaddr_in);
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memset(netaddr, 0, addr->len);
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netaddr->sin_family = AF_INET;
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return addr;
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}
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static inline void cpnet_setIPV4Any(cpnet_address *addr)
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{
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struct sockaddr_in *netaddr = (struct sockaddr_in *)&(addr->data[0]);
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netaddr->sin_addr.s_addr = INADDR_ANY;
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}
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#ifdef HAVE_INET6
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static inline cpnet_address *cpnet_newIPV6Address(JNIEnv * env)
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{
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cpnet_address * addr = (cpnet_address *)JCL_malloc(env, sizeof(cpnet_address) + sizeof(struct sockaddr_in6));
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struct sockaddr_in6 *netaddr = (struct sockaddr_in6 *)&(addr->data[0]);
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addr->len = sizeof(struct sockaddr_in6);
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memset(netaddr, 0, addr->len);
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netaddr->sin6_family = AF_INET6;
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return addr;
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}
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#endif
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static inline void cpnet_freeAddress(JNIEnv * env, cpnet_address *addr)
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{
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JCL_free(env, addr);
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}
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static inline void cpnet_addressSetPort(cpnet_address *addr, jint port)
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{
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struct sockaddr_in *ipaddr = (struct sockaddr_in *)&(addr->data[0]);
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ipaddr->sin_port = htons(port);
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}
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static inline jint cpnet_addressGetPort(cpnet_address *addr)
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{
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struct sockaddr_in *ipaddr = (struct sockaddr_in *)&(addr->data[0]);
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return ntohs(ipaddr->sin_port);
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}
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static inline jboolean cpnet_isAddressEqual(cpnet_address *addr1, cpnet_address *addr2)
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{
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if (addr1->len != addr2->len)
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return JNI_FALSE;
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return memcmp(addr1->data, addr2->data, addr1->len) == 0;
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}
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#ifdef HAVE_INET6
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static inline jboolean cpnet_isIPV6Address(cpnet_address *addr)
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{
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struct sockaddr_in *ipaddr = (struct sockaddr_in *)&(addr->data[0]);
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return ipaddr->sin_family == AF_INET6;
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}
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#endif
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static inline jboolean cpnet_isIPV4Address(cpnet_address *addr)
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{
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struct sockaddr_in *ipaddr = (struct sockaddr_in *)&(addr->data[0]);
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return ipaddr->sin_family == AF_INET;
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}
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static inline void cpnet_IPV4AddressToBytes(cpnet_address *netaddr, jbyte *octets)
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{
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struct sockaddr_in *ipaddr = (struct sockaddr_in *)&(netaddr->data[0]);
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unsigned long sysaddr = ntohl(ipaddr->sin_addr.s_addr);
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octets[0] = ((sysaddr >> 24) & 0xff);
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octets[1] = ((sysaddr >> 16) & 0xff);
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octets[2] = ((sysaddr >> 8) & 0xff);
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octets[3] = (sysaddr & 0xff);
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}
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static inline void cpnet_bytesToIPV4Address(cpnet_address *netaddr, jbyte *octets)
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{
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jint sysaddr;
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struct sockaddr_in *ipaddr = (struct sockaddr_in *)&(netaddr->data[0]);
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sysaddr = ((jint)(unsigned char)octets[0]) << 24;
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sysaddr |= ((jint)(unsigned char)octets[1]) << 16;
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sysaddr |= ((jint)(unsigned char)octets[2]) << 8;
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sysaddr |= ((jint)(unsigned char)octets[3]);
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ipaddr->sin_addr.s_addr = htonl(sysaddr);
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}
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#ifdef HAVE_INET6
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static inline void cpnet_IPV6AddressToBytes(cpnet_address *netaddr, jbyte *octets)
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{
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struct sockaddr_in6 *ipaddr = (struct sockaddr_in6 *)&(netaddr->data[0]);
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memcpy(octets, &ipaddr->sin6_addr, 16);
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}
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static inline void cpnet_bytesToIPV6Address(cpnet_address *netaddr, jbyte *octets)
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{
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struct sockaddr_in6 *ipaddr = (struct sockaddr_in6 *)&(netaddr->data[0]);
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memcpy(&ipaddr->sin6_addr, octets, 16);
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}
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#endif
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#endif
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