mirror of
git://xwords.git.sourceforge.net/gitroot/xwords/xwords
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9fa23af6e0
I'm keeping it AND asserting at every possible location that the env passed all the way in is the same as what the mapping produces. If in months I haven't seen a single crash then I can evaluate which way of passing the env around is better. (It'd be code size vs. performance, as the passing of env is noticably faster. Code size could be fixed by turning 'XWEnv xwe,' into a macro that goes away on some builds.)
232 lines
7.6 KiB
C
232 lines
7.6 KiB
C
/* -*-mode: C; compile-command: "find-and-gradle.sh inXw4dDeb"; -*- */
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/*
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* Copyright 2001 - 2020 by Eric House (xwords@eehouse.org). All rights
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* reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "xportwrapper.h"
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#include "andutils.h"
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#include "dbgutil.h"
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#include "paths.h"
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typedef struct _AndTransportProcs {
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TransportProcs tp;
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#ifdef MAP_THREAD_TO_ENV
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EnvThreadInfo* ti;
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#endif
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jobject jxport;
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MPSLOT
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} AndTransportProcs;
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static jobject
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makeJAddr( JNIEnv* env, const CommsAddrRec* addr )
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{
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jobject jaddr = NULL;
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if ( NULL != addr ) {
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jclass clazz
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= (*env)->FindClass(env, PKG_PATH("jni/CommsAddrRec") );
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XP_ASSERT( !!clazz );
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jmethodID mid = getMethodID( env, clazz, "<init>", "()V" );
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XP_ASSERT( !!mid );
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jaddr = (*env)->NewObject( env, clazz, mid );
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XP_ASSERT( !!jaddr );
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setJAddrRec( env, jaddr, addr );
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deleteLocalRef( env, clazz );
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}
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return jaddr;
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}
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static XP_U32
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and_xport_getFlags( XWEnv xwe, void* closure )
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{
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jint result = COMMS_XPORT_FLAGS_NONE;
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AndTransportProcs* aprocs = (AndTransportProcs*)closure;
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ASSERT_ENV( aprocs->ti, xwe );
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if ( NULL != aprocs->jxport ) {
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JNIEnv* env = xwe;
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const char* sig = "()I";
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jmethodID mid = getMethodID( env, aprocs->jxport, "getFlags", sig );
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result = (*env)->CallIntMethod( env, aprocs->jxport, mid );
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}
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return result;
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}
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static XP_S16
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and_xport_send( XWEnv xwe, const XP_U8* buf, XP_U16 len,
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const XP_UCHAR* msgNo, const CommsAddrRec* addr,
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CommsConnType conType, XP_U32 gameID, void* closure )
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{
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jint result = -1;
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LOG_FUNC();
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AndTransportProcs* aprocs = (AndTransportProcs*)closure;
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ASSERT_ENV( aprocs->ti, xwe );
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if ( NULL != aprocs->jxport ) {
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JNIEnv* env = xwe;
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const char* sig = "([BLjava/lang/String;L" PKG_PATH("jni/CommsAddrRec")
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";L" PKG_PATH("jni/CommsAddrRec$CommsConnType") ";I)I";
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jmethodID mid = getMethodID( env, aprocs->jxport, "transportSend", sig );
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jbyteArray jbytes = makeByteArray( env, len, (jbyte*)buf );
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jobject jaddr = makeJAddr( env, addr );
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jobject jConType =
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intToJEnum(env, conType, PKG_PATH("jni/CommsAddrRec$CommsConnType"));
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jstring jMsgNo = !!msgNo ? (*env)->NewStringUTF( env, msgNo ) : NULL;
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result = (*env)->CallIntMethod( env, aprocs->jxport, mid,
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jbytes, jMsgNo, jaddr, jConType, gameID );
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deleteLocalRefs( env, jaddr, jbytes, jMsgNo, jConType, DELETE_NO_REF );
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}
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if ( result < len ) {
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XP_LOGF( "%s(): changing result %d to -1", __func__, result );
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result = -1; /* signal failure. Not sure where 0's coming from */
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}
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LOG_RETURNF( "%d", result );
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return result;
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}
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static void
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and_xport_relayStatus( XWEnv XP_UNUSED(xwe), void* XP_UNUSED(closure),
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CommsRelayState XP_UNUSED(newState) )
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{
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}
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static void
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and_xport_relayConnd( XWEnv xwe, void* closure, XP_UCHAR* const room,
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XP_Bool reconnect, XP_U16 devOrder, XP_Bool allHere,
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XP_U16 nMissing )
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{
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AndTransportProcs* aprocs = (AndTransportProcs*)closure;
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ASSERT_ENV( aprocs->ti, xwe );
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if ( NULL != aprocs->jxport ) {
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JNIEnv* env = xwe;
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const char* sig = "(Ljava/lang/String;IZI)V";
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jmethodID mid = getMethodID( env, aprocs->jxport, "relayConnd", sig );
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jstring str = (*env)->NewStringUTF( env, room );
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(*env)->CallVoidMethod( env, aprocs->jxport, mid,
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str, devOrder, allHere, nMissing );
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deleteLocalRef( env, str );
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}
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}
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static XP_Bool
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and_xport_sendNoConn( XWEnv xwe, const XP_U8* buf, XP_U16 len,
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const XP_UCHAR* msgNo, const XP_UCHAR* relayID,
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void* closure )
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{
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jboolean result = false;
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AndTransportProcs* aprocs = (AndTransportProcs*)closure;
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ASSERT_ENV( aprocs->ti, xwe );
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if ( NULL != aprocs && NULL != aprocs->jxport ) {
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JNIEnv* env = xwe;
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const char* sig = "([BLjava/lang/String;Ljava/lang/String;)Z";
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jmethodID mid = getMethodID( env, aprocs->jxport,
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"relayNoConnProc", sig );
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jbyteArray jbytes = makeByteArray( env, len, (jbyte*)buf );
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jstring jRelayID = (*env)->NewStringUTF( env, relayID );
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jstring jMsgNo = !!msgNo ? (*env)->NewStringUTF( env, msgNo ) : NULL;
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result = (*env)->CallBooleanMethod( env, aprocs->jxport, mid,
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jbytes, jMsgNo, jRelayID );
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deleteLocalRefs( env, jbytes, jRelayID, jMsgNo, DELETE_NO_REF );
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}
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LOG_RETURNF( "%s", boolToStr(result) );
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return result;
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}
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static void
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and_xport_countChanged( XWEnv xwe, void* closure, XP_U16 count )
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{
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AndTransportProcs* aprocs = (AndTransportProcs*)closure;
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ASSERT_ENV( aprocs->ti, xwe );
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if ( NULL != aprocs && NULL != aprocs->jxport ) {
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JNIEnv* env = xwe;
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const char* sig = "(I)V";
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jmethodID mid = getMethodID( env, aprocs->jxport, "countChanged", sig );
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(*env)->CallVoidMethod( env, aprocs->jxport, mid, count );
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}
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}
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static void
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and_xport_relayError( XWEnv xwe, void* closure, XWREASON relayErr )
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{
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AndTransportProcs* aprocs = (AndTransportProcs*)closure;
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ASSERT_ENV( aprocs->ti, xwe );
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if ( NULL != aprocs->jxport ) {
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JNIEnv* env = xwe;
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jmethodID mid;
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const char* sig =
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"(L" PKG_PATH("jni/TransportProcs$XWRELAY_ERROR") ";)V";
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mid = getMethodID( env, aprocs->jxport, "relayErrorProc", sig );
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jobject jenum = intToJEnum( env, relayErr,
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PKG_PATH("jni/TransportProcs$XWRELAY_ERROR") );
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(*env)->CallVoidMethod( env, aprocs->jxport, mid, jenum );
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deleteLocalRef( env, jenum );
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}
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}
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TransportProcs*
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makeXportProcs( MPFORMAL JNIEnv* env,
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#ifdef MAP_THREAD_TO_ENV
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EnvThreadInfo* ti,
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#endif
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jobject jxport )
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{
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AndTransportProcs* aprocs = NULL;
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aprocs = (AndTransportProcs*)XP_CALLOC( mpool, sizeof(*aprocs) );
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#ifdef MAP_THREAD_TO_ENV
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aprocs->ti = ti;
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#endif
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if ( NULL != jxport ) {
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aprocs->jxport = (*env)->NewGlobalRef( env, jxport );
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}
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MPASSIGN( aprocs->mpool, mpool );
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#ifdef COMMS_XPORT_FLAGSPROC
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aprocs->tp.getFlags = and_xport_getFlags;
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#endif
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aprocs->tp.send = and_xport_send;
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aprocs->tp.rstatus = and_xport_relayStatus;
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aprocs->tp.rconnd = and_xport_relayConnd;
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aprocs->tp.rerror = and_xport_relayError;
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aprocs->tp.sendNoConn = and_xport_sendNoConn;
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aprocs->tp.countChanged = and_xport_countChanged;
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aprocs->tp.closure = aprocs;
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return (TransportProcs*)aprocs;
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}
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void
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destroyXportProcs( TransportProcs** xport, JNIEnv* env )
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{
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AndTransportProcs* aprocs = (AndTransportProcs*)*xport;
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if ( NULL != aprocs->jxport ) {
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(*env)->DeleteGlobalRef( env, aprocs->jxport );
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}
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XP_FREE( aprocs->mpool, aprocs );
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*xport = NULL;
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}
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