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obligated to do so. If you do not wish to do so, delete this |
obligated to do so. If you do not wish to do so, delete this |
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exception statement from your version. */ |
exception statement from your version. */ |
37 |
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/* do not move; needed here because of some macro definitions */ |
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#include <config.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
#include <string.h> |
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#include <unistd.h> |
#include <assert.h> |
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#include <netdb.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <jni.h> |
#include <jni.h> |
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#include <jcl.h> |
#include <jcl.h> |
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#include "java_net_InetAddress.h" |
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#include "javanet.h" |
#include "javanet.h" |
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#include "target_native.h" |
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#ifndef WITHOUT_NETWORK |
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#include "target_native_network.h" |
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#endif /* WITHOUT_NETWORK */ |
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#include "java_net_InetAddress.h" |
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/*************************************************************************/ |
/*************************************************************************/ |
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|
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/* |
/* |
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JNIEXPORT jstring JNICALL |
JNIEXPORT jstring JNICALL |
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Java_java_net_InetAddress_getLocalHostName(JNIEnv *env, jclass class) |
Java_java_net_InetAddress_getLocalHostName(JNIEnv *env, jclass class) |
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{ |
{ |
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char buf[255]; |
char hostname[256]; |
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int result; |
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jstring retval; |
jstring retval; |
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|
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if (gethostname(buf, sizeof(buf) - 1) == -1) |
assert(env!=NULL); |
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strcpy(buf, "localhost"); |
assert((*env)!=NULL); |
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#ifndef WITHOUT_NETWORK |
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TARGET_NATIVE_NETWORK_GET_HOSTNAME(hostname,sizeof(hostname),result); |
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if (result != TARGET_NATIVE_OK) |
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{ |
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strcpy(hostname,"localhost"); |
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} |
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#else /* not WITHOUT_NETWORK */ |
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strcpy(hostname, "localhost"); |
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#endif /* not WITHOUT_NETWORK */ |
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retval = (*env)->NewStringUTF(env, buf); |
retval = (*env)->NewStringUTF(env, hostname); |
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return(retval); |
return(retval); |
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} |
} |
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JNIEXPORT jarray JNICALL |
JNIEXPORT jarray JNICALL |
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Java_java_net_InetAddress_lookupInaddrAny(JNIEnv *env, jclass class) |
Java_java_net_InetAddress_lookupInaddrAny(JNIEnv *env, jclass class) |
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{ |
{ |
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jarray arr; |
jarray IParray; |
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jbyte *octets; |
jbyte *octets; |
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assert(env!=NULL); |
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assert((*env)!=NULL); |
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/* Allocate an array for the IP address */ |
/* Allocate an array for the IP address */ |
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arr = (*env)->NewByteArray(env, 4); |
IParray = (*env)->NewByteArray(env, 4); |
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if (!arr) |
if (IParray == NULL) |
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{ |
{ |
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JCL_ThrowException(env, UNKNOWN_HOST_EXCEPTION, "Internal Error"); |
JCL_ThrowException(env, UNKNOWN_HOST_EXCEPTION, "Internal Error"); |
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return (jarray)NULL; |
return (jarray)NULL; |
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} |
} |
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|
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/* Copy in the values */ |
/* Copy in the values */ |
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octets = (*env)->GetByteArrayElements(env, arr, 0); |
octets = (*env)->GetByteArrayElements(env, IParray, 0); |
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|
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octets[0] = (INADDR_ANY & 0xFF000000) >> 24; |
#ifndef WITHOUT_NETWORK |
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octets[1] = (INADDR_ANY & 0x00FF0000) >> 16; |
TARGET_NATIVE_NETWORK_INT_TO_IPADDRESS_BYTES(INADDR_ANY, |
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octets[2] = (INADDR_ANY & 0x0000FF00) >> 8; |
octets[0], |
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octets[3] = (INADDR_ANY & 0x000000FF); |
octets[1], |
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octets[2], |
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octets[3] |
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); |
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(*env)->ReleaseByteArrayElements(env, IParray, octets, 0); |
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#else /* not WITHOUT_NETWORK */ |
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octets[0]=0; |
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octets[1]=0; |
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octets[2]=0; |
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octets[3]=0; |
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#endif /* not WITHOUT_NETWORK */ |
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(*env)->ReleaseByteArrayElements(env, arr, octets, 0); |
return(IParray); |
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return(arr); |
|
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} |
} |
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/*************************************************************************/ |
/*************************************************************************/ |
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JNIEXPORT jstring JNICALL |
JNIEXPORT jstring JNICALL |
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Java_java_net_InetAddress_getHostByAddr(JNIEnv *env, jclass class, jarray arr) |
Java_java_net_InetAddress_getHostByAddr(JNIEnv *env, jclass class, jarray arr) |
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{ |
{ |
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jbyte *octets; |
#ifndef WITHOUT_NETWORK |
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jsize len; |
jbyte *octets; |
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int addr; |
jsize len; |
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struct hostent *hp; |
int addr; |
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char hostname[255]; |
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int result; |
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jstring retval; |
jstring retval; |
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assert(env!=NULL); |
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assert((*env)!=NULL); |
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|
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/* Grab the byte[] array with the IP out of the input data */ |
/* Grab the byte[] array with the IP out of the input data */ |
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len = (*env)->GetArrayLength(env, arr); |
len = (*env)->GetArrayLength(env, arr); |
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if (len != 4) |
if (len != 4) |
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} |
} |
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|
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/* Convert it to a 32 bit address */ |
/* Convert it to a 32 bit address */ |
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addr = (octets[0] << 24) + (octets[1] << 16) + (octets[2] << 8) + octets[3]; |
TARGET_NATIVE_NETWORK_IPADDRESS_BYTES_TO_INT(octets[0], |
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addr = htonl(addr); |
octets[1], |
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octets[2], |
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octets[3], |
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addr |
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); |
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/* Release some memory */ |
/* Release some memory */ |
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(*env)->ReleaseByteArrayElements(env, arr, octets, 0); |
(*env)->ReleaseByteArrayElements(env, arr, octets, 0); |
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|
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/* Resolve the address and return the name */ |
/* Resolve the address and return the name */ |
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hp = gethostbyaddr((char*)&addr, sizeof(addr), AF_INET); |
TARGET_NATIVE_NETWORK_GET_HOSTNAME_BY_ADDRESS(addr,hostname,sizeof(hostname),result); |
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if (!hp) |
if (result != TARGET_NATIVE_OK) |
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{ |
{ |
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JCL_ThrowException(env, UNKNOWN_HOST_EXCEPTION, "Bad IP Address"); |
JCL_ThrowException(env, UNKNOWN_HOST_EXCEPTION, "Bad IP address"); |
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return (jstring)NULL; |
return (jstring)NULL; |
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} |
} |
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retval = (*env)->NewStringUTF(env, hp->h_name); |
retval = (*env)->NewStringUTF(env, hostname); |
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return(retval); |
return(retval); |
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#else /* not WITHOUT_NETWORK */ |
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return (jstring)NULL; |
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#endif /* not WITHOUT_NETWORK */ |
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} |
} |
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/*************************************************************************/ |
/*************************************************************************/ |
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JNIEXPORT jobjectArray JNICALL |
JNIEXPORT jobjectArray JNICALL |
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Java_java_net_InetAddress_getHostByName(JNIEnv *env, jclass class, jstring host) |
Java_java_net_InetAddress_getHostByName(JNIEnv *env, jclass class, jstring host) |
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{ |
{ |
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const char *hostname; |
#ifndef WITHOUT_NETWORK |
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struct hostent *hp; |
const char *hostname; |
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int i, ip; |
/* FIXME: limitation of max. 64 addresses - how to make it more flexibale? */ |
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jbyte *octets; |
int addresses[64]; |
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jsize num_addrs; |
jsize addresses_count; |
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jclass arr_class; |
int result; |
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jobjectArray addrs; |
jclass arr_class; |
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jarray ret_octets; |
jobjectArray addrs; |
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int i; |
207 |
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jbyte *octets; |
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jarray ret_octets; |
209 |
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assert(env!=NULL); |
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assert((*env)!=NULL); |
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|
213 |
/* Grab the hostname string */ |
/* Grab the hostname string */ |
214 |
hostname = (*env)->GetStringUTFChars(env, host, 0); |
hostname = (*env)->GetStringUTFChars(env, host, 0); |
219 |
} |
} |
220 |
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|
221 |
/* Look up the host */ |
/* Look up the host */ |
222 |
hp = gethostbyname(hostname); |
TARGET_NATIVE_NETWORK_GET_HOSTNAME_BY_NAME(hostname, |
223 |
if (!hp) |
addresses, |
224 |
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sizeof(addresses)/sizeof(addresses[0]), |
225 |
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addresses_count, |
226 |
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result |
227 |
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); |
228 |
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if (result != TARGET_NATIVE_OK) |
229 |
{ |
{ |
230 |
JCL_ThrowException(env, UNKNOWN_HOST_EXCEPTION, hostname); |
JCL_ThrowException(env, UNKNOWN_HOST_EXCEPTION, (char*)hostname); |
231 |
return (jobjectArray)NULL; |
return (jobjectArray)NULL; |
232 |
} |
} |
233 |
(*env)->ReleaseStringUTFChars(env, host, hostname); |
(*env)->ReleaseStringUTFChars(env, host, hostname); |
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|
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/* Figure out how many addresses there are and allocate a return array */ |
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for (num_addrs = 0, i = 0; hp->h_addr_list[i] ; i++) |
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++num_addrs; |
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|
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arr_class = (*env)->FindClass(env,"[B"); |
arr_class = (*env)->FindClass(env,"[B"); |
236 |
if (!arr_class) |
if (!arr_class) |
237 |
{ |
{ |
239 |
return (jobjectArray)NULL; |
return (jobjectArray)NULL; |
240 |
} |
} |
241 |
|
|
242 |
addrs = (*env)->NewObjectArray(env, num_addrs, arr_class, 0); |
addrs = (*env)->NewObjectArray(env, addresses_count, arr_class, 0); |
243 |
if (!addrs) |
if (!addrs) |
244 |
{ |
{ |
245 |
JCL_ThrowException(env, UNKNOWN_HOST_EXCEPTION, "Internal Error"); |
JCL_ThrowException(env, UNKNOWN_HOST_EXCEPTION, "Internal Error"); |
247 |
} |
} |
248 |
|
|
249 |
/* Now loop and copy in each address */ |
/* Now loop and copy in each address */ |
250 |
for (i = 0; i < num_addrs; i++) |
for (i = 0; i < addresses_count; i++) |
251 |
{ |
{ |
252 |
ret_octets = (*env)->NewByteArray(env, 4); |
ret_octets = (*env)->NewByteArray(env, 4); |
253 |
if (!ret_octets) |
if (!ret_octets) |
258 |
|
|
259 |
octets = (*env)->GetByteArrayElements(env, ret_octets, 0); |
octets = (*env)->GetByteArrayElements(env, ret_octets, 0); |
260 |
|
|
261 |
ip = ntohl(*(int*)(hp->h_addr_list[i])); |
TARGET_NATIVE_NETWORK_INT_TO_IPADDRESS_BYTES(addresses[i], |
262 |
octets[0] = (ip & 0xFF000000) >> 24; |
octets[0], |
263 |
octets[1] = (ip & 0x00FF0000) >> 16; |
octets[1], |
264 |
octets[2] = (ip & 0x0000FF00) >> 8; |
octets[2], |
265 |
octets[3] = (ip & 0x000000FF); |
octets[3] |
266 |
|
); |
267 |
|
|
268 |
(*env)->ReleaseByteArrayElements(env, ret_octets, octets, 0); |
(*env)->ReleaseByteArrayElements(env, ret_octets, octets, 0); |
269 |
|
|
270 |
(*env)->SetObjectArrayElement(env, addrs, i, ret_octets); |
(*env)->SetObjectArrayElement(env, addrs, i, ret_octets); |
271 |
} |
} |
272 |
|
|
273 |
return(addrs); |
return(addrs); |
274 |
|
#else /* not WITHOUT_NETWORK */ |
275 |
|
return (jobjectArray)NULL; |
276 |
|
#endif /* not WITHOUT_NETWORK */ |
277 |
} |
} |
278 |
|
|
279 |
|
/* end of file */ |