src/share/native/java/net/net_util.h

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  39 #define IPv4 1
  40 #define IPv6 2
  41 
  42 #define NET_ERROR(env, ex, msg) \
  43 { if (!(*env)->ExceptionOccurred(env)) JNU_ThrowByName(env, ex, msg) }
  44 
  45 #define CHECK_NULL(x) if ((x) == NULL) return;
  46 #define CHECK_NULL_RETURN(x, y) if ((x) == NULL) return y;
  47 
  48 /************************************************************************
  49  * Cached field IDs
  50  *
  51  * The naming convention for field IDs is
  52  *      <class abbrv>_<fieldName>ID
  53  * i.e. psi_timeoutID is PlainSocketImpl's timeout field's ID.
  54  */
  55 extern jclass ia_class;
  56 extern jfieldID ia_addressID;
  57 extern jfieldID ia_familyID;
  58 extern jfieldID ia_preferIPv6AddressID;

  59 
  60 extern jclass ia4_class;
  61 extern jmethodID ia4_ctrID;
  62 
  63 /* NetworkInterface fields */
  64 extern jclass ni_class;
  65 extern jfieldID ni_nameID;
  66 extern jfieldID ni_indexID;
  67 extern jfieldID ni_addrsID;
  68 extern jfieldID ni_descID;
  69 extern jmethodID ni_ctrID;
  70 
  71 /* PlainSocketImpl fields */
  72 extern jfieldID psi_timeoutID;
  73 extern jfieldID psi_fdID;
  74 extern jfieldID psi_addressID;
  75 extern jfieldID psi_portID;
  76 extern jfieldID psi_localportID;
  77 
  78 /* DatagramPacket fields */
  79 extern jfieldID dp_addressID;
  80 extern jfieldID dp_portID;
  81 extern jfieldID dp_bufID;
  82 extern jfieldID dp_offsetID;
  83 extern jfieldID dp_lengthID;
  84 extern jfieldID dp_bufLengthID;
  85 
  86 /* Inet6Address fields */
  87 extern jclass ia6_class;
  88 extern jfieldID ia6_ipaddressID;
  89 extern jfieldID ia6_scopeidID;
  90 extern jfieldID ia6_cachedscopeidID;
  91 extern jfieldID ia6_scopeidsetID;
  92 extern jfieldID ia6_scopeifnameID;
  93 extern jfieldID ia6_scopeifnamesetID;
  94 extern jmethodID ia6_ctrID;
  95 
  96 /************************************************************************
  97  *  Utilities
  98  */


  99 JNIEXPORT void JNICALL Java_java_net_InetAddress_init(JNIEnv *env, jclass cls);
 100 JNIEXPORT void JNICALL Java_java_net_Inet4Address_init(JNIEnv *env, jclass cls);
 101 JNIEXPORT void JNICALL Java_java_net_Inet6Address_init(JNIEnv *env, jclass cls);
 102 JNIEXPORT void JNICALL Java_java_net_NetworkInterface_init(JNIEnv *env, jclass cls);
 103 
 104 JNIEXPORT void JNICALL NET_ThrowNew(JNIEnv *env, int errorNum, char *msg);
 105 int NET_GetError();
 106 
 107 void NET_ThrowCurrent(JNIEnv *env, char *msg);
 108 
 109 jfieldID NET_GetFileDescriptorID(JNIEnv *env);
 110 
 111 JNIEXPORT jint JNICALL ipv6_available() ;
 112 
 113 void
 114 NET_AllocSockaddr(struct sockaddr **him, int *len);
 115 
 116 JNIEXPORT int JNICALL
 117 NET_InetAddressToSockaddr(JNIEnv *env, jobject iaObj, int port, struct sockaddr *him, int *len, jboolean v4MappedAddress);
 118 




  39 #define IPv4 1
  40 #define IPv6 2
  41 
  42 #define NET_ERROR(env, ex, msg) \
  43 { if (!(*env)->ExceptionOccurred(env)) JNU_ThrowByName(env, ex, msg) }
  44 
  45 #define CHECK_NULL(x) if ((x) == NULL) return;
  46 #define CHECK_NULL_RETURN(x, y) if ((x) == NULL) return y;
  47 
  48 /************************************************************************
  49  * Cached field IDs
  50  *
  51  * The naming convention for field IDs is
  52  *      <class abbrv>_<fieldName>ID
  53  * i.e. psi_timeoutID is PlainSocketImpl's timeout field's ID.
  54  */
  55 extern jclass ia_class;
  56 extern jfieldID ia_addressID;
  57 extern jfieldID ia_familyID;
  58 extern jfieldID ia_preferIPv6AddressID;
  59 extern jfieldID ia_hostNameID;
  60 
  61 extern jclass ia4_class;
  62 extern jmethodID ia4_ctrID;
  63 
  64 /* NetworkInterface fields */
  65 extern jclass ni_class;
  66 extern jfieldID ni_nameID;
  67 extern jfieldID ni_indexID;
  68 extern jfieldID ni_addrsID;
  69 extern jfieldID ni_descID;
  70 extern jmethodID ni_ctrID;
  71 
  72 /* PlainSocketImpl fields */
  73 extern jfieldID psi_timeoutID;
  74 extern jfieldID psi_fdID;
  75 extern jfieldID psi_addressID;
  76 extern jfieldID psi_portID;
  77 extern jfieldID psi_localportID;
  78 
  79 /* DatagramPacket fields */
  80 extern jfieldID dp_addressID;
  81 extern jfieldID dp_portID;
  82 extern jfieldID dp_bufID;
  83 extern jfieldID dp_offsetID;
  84 extern jfieldID dp_lengthID;
  85 extern jfieldID dp_bufLengthID;
  86 
  87 /* Inet6Address fields */
  88 extern jclass ia6_class;
  89 extern jfieldID ia6_ipaddressID;
  90 extern jfieldID ia6_scopeidID;
  91 extern jfieldID ia6_cachedscopeidID;
  92 extern jfieldID ia6_scopeidsetID;
  93 extern jfieldID ia6_scopeifnameID;
  94 extern jfieldID ia6_scopeifnamesetID;
  95 extern jmethodID ia6_ctrID;
  96 
  97 /************************************************************************
  98  *  Utilities
  99  */
 100 void init(JNIEnv *env);
 101 
 102 JNIEXPORT void JNICALL Java_java_net_InetAddress_init(JNIEnv *env, jclass cls);
 103 JNIEXPORT void JNICALL Java_java_net_Inet4Address_init(JNIEnv *env, jclass cls);
 104 JNIEXPORT void JNICALL Java_java_net_Inet6Address_init(JNIEnv *env, jclass cls);
 105 JNIEXPORT void JNICALL Java_java_net_NetworkInterface_init(JNIEnv *env, jclass cls);
 106 
 107 JNIEXPORT void JNICALL NET_ThrowNew(JNIEnv *env, int errorNum, char *msg);
 108 int NET_GetError();
 109 
 110 void NET_ThrowCurrent(JNIEnv *env, char *msg);
 111 
 112 jfieldID NET_GetFileDescriptorID(JNIEnv *env);
 113 
 114 JNIEXPORT jint JNICALL ipv6_available() ;
 115 
 116 void
 117 NET_AllocSockaddr(struct sockaddr **him, int *len);
 118 
 119 JNIEXPORT int JNICALL
 120 NET_InetAddressToSockaddr(JNIEnv *env, jobject iaObj, int port, struct sockaddr *him, int *len, jboolean v4MappedAddress);
 121