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-rw-r--r--vpp-japi/Makefile.am2
-rw-r--r--vpp-japi/japi/vppjni.c295
-rw-r--r--vpp-japi/japi/vppjni.h2
-rw-r--r--vpp-japi/japi/vppjni_env.c111
-rw-r--r--vpp-japi/japi/vppjni_env.h118
5 files changed, 282 insertions, 246 deletions
diff --git a/vpp-japi/Makefile.am b/vpp-japi/Makefile.am
index 5640dd1aeff..f1eb37da701 100644
--- a/vpp-japi/Makefile.am
+++ b/vpp-japi/Makefile.am
@@ -27,7 +27,7 @@ nobase_include_HEADERS = \
lib_LTLIBRARIES += libvppjni.la
-libvppjni_la_SOURCES = japi/vppjni.c japi/vppapi.c
+libvppjni_la_SOURCES = japi/vppjni.c japi/vppapi.c japi/vppjni_env.h japi/vppjni_env.c
libvppjni_la_LIBADD = -lvlibmemoryclient -lvlibapi -lsvm -lvppinfra \
-lpthread -lm -lrt
libvppjni_la_LDFLAGS = -module
diff --git a/vpp-japi/japi/vppjni.c b/vpp-japi/japi/vppjni.c
index 6e4d6ee57c5..b874af892ed 100644
--- a/vpp-japi/japi/vppjni.c
+++ b/vpp-japi/japi/vppjni.c
@@ -21,6 +21,7 @@
#include <jni.h>
#include <japi/vppjni.h>
#include <japi/vppjni_bridge_domain.h>
+#include <japi/vppjni_env.h>
#include <japi/org_openvpp_vppjapi_vppConn.h>
#include <japi/org_openvpp_vppjapi_vppApi.h>
@@ -58,6 +59,29 @@ static int connect_to_vpe(char *name);
void __stack_chk_guard (void) __attribute__((weak));
void __stack_chk_guard (void) { }
+BIND_JAPI_CLASS(vppBridgeDomainDetails, "()V");
+BIND_JAPI_BOOL_FIELD(vppBridgeDomainDetails, arpTerm);
+BIND_JAPI_BOOL_FIELD(vppBridgeDomainDetails, flood);
+BIND_JAPI_BOOL_FIELD(vppBridgeDomainDetails, forward);
+BIND_JAPI_BOOL_FIELD(vppBridgeDomainDetails, learn);
+BIND_JAPI_BOOL_FIELD(vppBridgeDomainDetails, uuFlood);
+BIND_JAPI_INT_FIELD(vppBridgeDomainDetails, bdId);
+BIND_JAPI_STRING_FIELD(vppBridgeDomainDetails, name);
+BIND_JAPI_STRING_FIELD(vppBridgeDomainDetails, bviInterfaceName);
+BIND_JAPI_OBJ_FIELD(vppBridgeDomainDetails, interfaces, "[Lorg/openvpp/vppjapi/vppBridgeDomainInterfaceDetails;");
+
+BIND_JAPI_CLASS(vppBridgeDomainInterfaceDetails, "()V");
+BIND_JAPI_BYTE_FIELD(vppBridgeDomainInterfaceDetails, splitHorizonGroup);
+BIND_JAPI_STRING_FIELD(vppBridgeDomainInterfaceDetails, interfaceName);
+
+BIND_JAPI_CLASS(vppInterfaceCounters, "(JJJJJJJJJJJJJJJJJJJJJJ)V");
+BIND_JAPI_CLASS(vppInterfaceDetails, "(ILjava/lang/String;I[BBBBBIBBIIBBBBIIII)V");
+BIND_JAPI_CLASS(vppIPv4Address, "(IB)V");
+BIND_JAPI_CLASS(vppIPv6Address, "([BB)V");
+BIND_JAPI_CLASS(vppL2Fib, "([BZLjava/lang/String;ZZ)V");
+BIND_JAPI_CLASS(vppVersion, "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");
+BIND_JAPI_CLASS(vppVxlanTunnelDetails, "(IIIII)V");
+
void vl_client_add_api_signatures (vl_api_memclnt_create_t *mp)
{
/*
@@ -144,19 +168,6 @@ JNIEXPORT jobject JNICALL Java_org_openvpp_vppjapi_vppConn_getVppVersion
(JNIEnv *env, jobject obj)
{
vppjni_main_t * jm = &vppjni_main;
- jmethodID constr;
- // TODO: cache this
- jclass cls = (*env)->FindClass(env, "org/openvpp/vppjapi/vppVersion");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- return NULL;
- }
-
- constr = (*env)->GetMethodID(env, cls, "<init>", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- return NULL;
- }
vppjni_lock (jm, 11);
jstring progName = (*env)->NewStringUTF(env, (char *)jm->program_name);
@@ -165,7 +176,7 @@ JNIEXPORT jobject JNICALL Java_org_openvpp_vppjapi_vppConn_getVppVersion
jstring buildDate = (*env)->NewStringUTF(env, (char *)jm->build_date);
vppjni_unlock (jm);
- return (*env)->NewObject(env, cls, constr, progName, buildDir, version, buildDate);
+ return vppVersionObject(env, progName, buildDir, version, buildDate);
}
static int jm_show_version (vppjni_main_t *jm)
@@ -527,22 +538,8 @@ JNIEXPORT jobject JNICALL Java_org_openvpp_vppjapi_vppConn_getInterfaceCounters
vppjni_main_t * jm = &vppjni_main;
sw_interface_stats_t *s;
u32 sw_if_index = swIfIndex;
- jmethodID constr;
jobject result = NULL;
- // TODO: cache this
- jclass cls = (*env)->FindClass(env, "org/openvpp/vppjapi/vppInterfaceCounters");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- return NULL;
- }
-
- constr = (*env)->GetMethodID(env, cls, "<init>", "(JJJJJJJJJJJJJJJJJJJJJJ)V");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- return NULL;
- }
-
vppjni_lock (jm, 16);
if (sw_if_index >= vec_len(jm->sw_if_stats_by_sw_if_index)) {
@@ -553,7 +550,7 @@ JNIEXPORT jobject JNICALL Java_org_openvpp_vppjapi_vppConn_getInterfaceCounters
goto out;
}
- result = (*env)->NewObject(env, cls, constr,
+ result = vppInterfaceCountersObject(env,
s->rx.octets, s->rx.pkts.ip4, s->rx.pkts.ip6, s->rx.pkts.unicast,
s->rx.pkts.multicast, s->rx.pkts.broadcast, s->rx.pkts.discard,
s->rx.pkts.fifo_full, s->rx.pkts.error, s->rx.pkts.unknown_proto,
@@ -669,9 +666,8 @@ static jobjectArray sw_if_dump_get_interfaces (JNIEnv * env)
u32 i;
int len = vec_len(jm->sw_if_dump_if_indices);
- jmethodID jmtdIfDetails = jm->jmtdIfDetails;
- jobjectArray ifArray = (*env)->NewObjectArray(env, len, jm->jcls, NULL);
+ jobjectArray ifArray = vppInterfaceDetailsArray(env, len);
for (i = 0; i < len; i++) {
u32 sw_if_index = jm->sw_if_dump_if_indices[i];
@@ -708,7 +704,7 @@ static jobjectArray sw_if_dump_get_interfaces (JNIEnv * env)
jbyte subOuterVlanIdAny = sw_if_details->sub_outer_vlan_id_any;
jbyte subInnerVlanIdAny = sw_if_details->sub_inner_vlan_id_any;
- jobject ifObj = (*env)->NewObject(env, jm->jcls, jmtdIfDetails,
+ jobject ifObj = vppInterfaceDetailsObject(env,
ifIndex, ifname,
supIfIndex, physAddr, adminUpDown, linkUpDown,
linkDuplex, linkSpeed, subId, subDot1ad,
@@ -1062,20 +1058,7 @@ JNIEXPORT jobject JNICALL Java_org_openvpp_vppjapi_vppConn_getBridgeDomainDetail
/* setting BridgeDomainDetails */
- jclass bddClass = (*env)->FindClass(env, "org/openvpp/vppjapi/vppBridgeDomainDetails");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
-
- jmethodID midInit = (*env)->GetMethodID(env, bddClass, "<init>", "()V");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
- jobject bddObj = (*env)->NewObject(env, bddClass, midInit);
+ jobject bddObj = vppBridgeDomainDetailsObject(env);
u8 *vec_bd_name = vjbd_oper_name_from_id(bdm, bd_id);
if (NULL == vec_bd_name) {
@@ -1090,66 +1073,14 @@ JNIEXPORT jobject JNICALL Java_org_openvpp_vppjapi_vppConn_getBridgeDomainDetail
rv = NULL;
goto out;
}
- jfieldID fidName = (*env)->GetFieldID(env, bddClass, "name", "Ljava/lang/String;");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
- (*env)->SetObjectField(env, bddObj, fidName, bdName);
- jfieldID fidBdId = (*env)->GetFieldID(env, bddClass, "bdId", "I");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
- (*env)->SetIntField(env, bddObj, fidBdId, bdId);
-
- jboolean flood = bd_oper->flood;
- jfieldID fidFlood = (*env)->GetFieldID(env, bddClass, "flood", "Z");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
- (*env)->SetBooleanField(env, bddObj, fidFlood, flood);
-
- jboolean uuFlood = bd_oper->uu_flood;
- jfieldID fidUuFlood = (*env)->GetFieldID(env, bddClass, "uuFlood", "Z");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
- (*env)->SetBooleanField(env, bddObj, fidUuFlood, uuFlood);
-
- jboolean forward = bd_oper->forward;
- jfieldID fidForward = (*env)->GetFieldID(env, bddClass, "forward", "Z");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
- (*env)->SetBooleanField(env, bddObj, fidForward, forward);
-
- jboolean learn = bd_oper->learn;
- jfieldID fidLearn = (*env)->GetFieldID(env, bddClass, "learn", "Z");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
- (*env)->SetBooleanField(env, bddObj, fidLearn, learn);
-
- jboolean arpTerm = bd_oper->arp_term;
- jfieldID fidArpTerm = (*env)->GetFieldID(env, bddClass, "arpTerm", "Z");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
- (*env)->SetBooleanField(env, bddObj, fidArpTerm, arpTerm);
+ set_vppBridgeDomainDetails_name(env, bddObj, bdName);
+ set_vppBridgeDomainDetails_bdId(env, bddObj, bdId);
+ set_vppBridgeDomainDetails_flood(env, bddObj, (jboolean)bd_oper->flood);
+ set_vppBridgeDomainDetails_uuFlood(env, bddObj, (jboolean)bd_oper->uu_flood);
+ set_vppBridgeDomainDetails_forward(env, bddObj, (jboolean)bd_oper->forward);
+ set_vppBridgeDomainDetails_learn(env, bddObj, (jboolean)bd_oper->learn);
+ set_vppBridgeDomainDetails_arpTerm(env, bddObj, (jboolean)bd_oper->arp_term);
jstring bviInterfaceName = NULL;
if (~0 != bd_oper->bvi_sw_if_index) {
@@ -1165,54 +1096,21 @@ JNIEXPORT jobject JNICALL Java_org_openvpp_vppjapi_vppConn_getBridgeDomainDetail
goto out;
}
}
- jfieldID fidBviInterfaceName = (*env)->GetFieldID(env, bddClass, "bviInterfaceName", "Ljava/lang/String;");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
- (*env)->SetObjectField(env, bddObj, fidBviInterfaceName, bviInterfaceName);
+ set_vppBridgeDomainDetails_bviInterfaceName(env, bddObj, bviInterfaceName);
/* setting BridgeDomainInterfaceDetails */
- jclass bdidClass = (*env)->FindClass(env, "org/openvpp/vppjapi/vppBridgeDomainInterfaceDetails");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
-
- jfieldID fidInterfaceName = (*env)->GetFieldID(env, bdidClass, "interfaceName", "Ljava/lang/String;");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
-
- jfieldID fidSHG = (*env)->GetFieldID(env, bdidClass, "splitHorizonGroup", "B");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
-
u32 len = vec_len(bd_oper->bd_sw_if_oper);
ASSERT(len == bd_oper->n_sw_ifs);
- jobjectArray bdidArray = (*env)->NewObjectArray(env, len, bdidClass, NULL);
+ jobjectArray bdidArray = vppBridgeDomainInterfaceDetailsArray(env, len);
u32 i;
for (i = 0; i < len; i++) {
bd_sw_if_oper_t *sw_if_oper = &bd_oper->bd_sw_if_oper[i];
- jmethodID midBdidInit = (*env)->GetMethodID(env, bdidClass, "<init>", "()V");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
- jobject bdidObj = (*env)->NewObject(env, bdidClass, midBdidInit);
+ jobject bdidObj = vppBridgeDomainInterfaceDetailsObject(env);
(*env)->SetObjectArrayElement(env, bdidArray, i, bdidObj);
u32 sw_if_index = sw_if_oper->sw_if_index;
@@ -1226,20 +1124,12 @@ JNIEXPORT jobject JNICALL Java_org_openvpp_vppjapi_vppConn_getBridgeDomainDetail
rv = NULL;
goto out;
}
- (*env)->SetObjectField(env, bdidObj, fidInterfaceName, interfaceName);
- jbyte shg = sw_if_oper->shg;
- (*env)->SetByteField(env, bdidObj, fidSHG, shg);
+ set_vppBridgeDomainInterfaceDetails_interfaceName(env, bdidObj, interfaceName);
+ set_vppBridgeDomainInterfaceDetails_splitHorizonGroup(env, bdidObj, (jbyte)sw_if_oper->shg);
}
- jfieldID fidInterfaces = (*env)->GetFieldID(env, bddClass, "interfaces",
- "[Lorg/openvpp/vppjapi/vppBridgeDomainInterfaceDetails;");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- rv = NULL;
- goto out;
- }
- (*env)->SetObjectField(env, bddObj, fidInterfaces, bdidArray);
+ set_vppBridgeDomainDetails_interfaces(env, bddObj, bdidArray);
rv = bddObj;
@@ -1252,18 +1142,6 @@ out:
static jobject l2_fib_create_object(JNIEnv *env, bd_l2fib_oper_t *l2_fib)
{
- jclass l2FibClass = (*env)->FindClass(env, "org/openvpp/vppjapi/vppL2Fib");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- return NULL;
- }
-
- jmethodID midL2FIbInit = (*env)->GetMethodID(env, l2FibClass, "<init>", "([BZLjava/lang/String;ZZ)V");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- return NULL;
- }
-
u32 sw_if_index = l2_fib->sw_if_index;
const char *str_if_name = interface_name_from_sw_if_index(sw_if_index);
if (NULL == str_if_name) {
@@ -1282,11 +1160,7 @@ static jobject l2_fib_create_object(JNIEnv *env, bd_l2fib_oper_t *l2_fib)
jboolean filter = l2_fib->filter;
jboolean bridgedVirtualInterface = l2_fib->bvi;
- jobject l2FibObj = (*env)->NewObject(env, l2FibClass, midL2FIbInit,
- physAddr, staticConfig, outgoingInterface, filter,
- bridgedVirtualInterface);
-
- return l2FibObj;
+ return vppL2FibObject(env, physAddr, staticConfig, outgoingInterface, filter, bridgedVirtualInterface);
}
JNIEXPORT jobjectArray JNICALL Java_org_openvpp_vppjapi_vppConn_l2FibTableDump
@@ -1335,14 +1209,7 @@ JNIEXPORT jobjectArray JNICALL Java_org_openvpp_vppjapi_vppConn_l2FibTableDump
u32 count = vec_len(bd_oper->l2fib_oper);
bd_l2fib_oper_t *l2fib_oper = bd_oper->l2fib_oper;
- jclass l2FibClass = (*env)->FindClass(env, "org/openvpp/vppjapi/vppL2Fib");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- goto done;
- }
-
- l2FibArray = (*env)->NewObjectArray(env, count, l2FibClass, NULL);
-
+ l2FibArray = vppL2FibArray(env, count);
for (i = 0; i < count; i++) {
bd_l2fib_oper_t *l2_fib = &l2fib_oper[i];
jobject l2FibObj = l2_fib_create_object(env, l2_fib);
@@ -1462,19 +1329,7 @@ JNIEXPORT jobjectArray JNICALL Java_org_openvpp_vppjapi_vppConn_ipv4AddressDump
u32 count = vec_len(jm->ipv4_addresses);
ipv4_address_t *ipv4_address = jm->ipv4_addresses;
- jclass IPv4AddressClass = (*env)->FindClass(env, "org/openvpp/vppjapi/vppIPv4Address");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- goto done;
- }
-
- jmethodID midIPv4AddressInit = (*env)->GetMethodID(env, IPv4AddressClass, "<init>", "(IB)V");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- goto done;
- }
-
- jobjectArray ipv4AddressArray = (*env)->NewObjectArray(env, count, IPv4AddressClass, NULL);
+ jobjectArray ipv4AddressArray = vppIPv4AddressArray(env, count);
for (i = 0; i < count; i++) {
ipv4_address_t *address = &ipv4_address[i];
@@ -1482,8 +1337,7 @@ JNIEXPORT jobjectArray JNICALL Java_org_openvpp_vppjapi_vppConn_ipv4AddressDump
jint ip = address->ip;
jbyte prefixLength = address->prefix_length;
- jobject ipv4AddressObj = (*env)->NewObject(env, IPv4AddressClass, midIPv4AddressInit,
- ip, prefixLength);
+ jobject ipv4AddressObj = vppIPv4AddressObject(env, ip, prefixLength);
(*env)->SetObjectArrayElement(env, ipv4AddressArray, i, ipv4AddressObj);
}
@@ -1513,19 +1367,7 @@ JNIEXPORT jobjectArray JNICALL Java_org_openvpp_vppjapi_vppConn_ipv6AddressDump
u32 count = vec_len(jm->ipv6_addresses);
ipv6_address_t *ipv6_address = jm->ipv6_addresses;
- jclass IPv6AddressClass = (*env)->FindClass(env, "org/openvpp/vppjapi/vppIPv6Address");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- goto done;
- }
-
- jmethodID midIPv6AddressInit = (*env)->GetMethodID(env, IPv6AddressClass, "<init>", "([BB)V");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- goto done;
- }
-
- jobjectArray ipv6AddressArray = (*env)->NewObjectArray(env, count, IPv6AddressClass, NULL);
+ jobjectArray ipv6AddressArray = vppIPv6AddressArray(env, count);
for (i = 0; i < count; i++) {
ipv6_address_t *address = &ipv6_address[i];
@@ -1536,8 +1378,7 @@ JNIEXPORT jobjectArray JNICALL Java_org_openvpp_vppjapi_vppConn_ipv6AddressDump
jbyte prefixLength = address->prefix_length;
- jobject ipv6AddressObj = (*env)->NewObject(env, IPv6AddressClass, midIPv6AddressInit,
- ip, prefixLength);
+ jobject ipv6AddressObj = vppIPv6AddressObject(env, ip, prefixLength);
(*env)->SetObjectArrayElement(env, ipv6AddressArray, i, ipv6AddressObj);
}
@@ -1603,22 +1444,7 @@ JNIEXPORT jobjectArray JNICALL Java_org_openvpp_vppjapi_vppConn_vxlanTunnelDump
u32 count = vec_len(jm->vxlan_tunnel_details);
- jclass VxlanTunnelDetailsClass = (*env)->FindClass(env,
- "org/openvpp/vppjapi/vppVxlanTunnelDetails");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- goto done;
- }
-
- jmethodID midVxlanTunnelDetailsInit = (*env)->GetMethodID(env,
- VxlanTunnelDetailsClass, "<init>", "(IIIII)V");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- goto done;
- }
-
- jobjectArray vxlanTunnelDetailsArray = (*env)->NewObjectArray(env, count,
- VxlanTunnelDetailsClass, NULL);
+ jobjectArray vxlanTunnelDetailsArray = vppVxlanTunnelDetailsArray(env, count);
for (i = 0; i < count; i++) {
vxlan_tunnel_details_t *details = &jm->vxlan_tunnel_details[i];
@@ -1629,8 +1455,7 @@ JNIEXPORT jobjectArray JNICALL Java_org_openvpp_vppjapi_vppConn_vxlanTunnelDump
jint vni = details->vni;
jint decap_next_index = details->decap_next_index;
- jobject vxlanTunnelDetailsObj = (*env)->NewObject(env,
- VxlanTunnelDetailsClass, midVxlanTunnelDetailsInit,
+ jobject vxlanTunnelDetailsObj = vppVxlanTunnelDetailsObject(env,
src_address, dst_address, encap_vrf_id, vni, decap_next_index);
(*env)->SetObjectArrayElement(env, vxlanTunnelDetailsArray, i,
@@ -1932,23 +1757,10 @@ jint JNI_OnLoad(JavaVM *vm, void *reserved) {
return JNI_ERR;
}
- jclass cls = (*env)->FindClass(env, "org/openvpp/vppjapi/vppInterfaceDetails");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- return JNI_ERR;
- }
-
- jm->jmtdIfDetails =
- (*env)->GetMethodID(env, cls, "<init>", "(ILjava/lang/String;I[BBBBBIBBIIBBBBIIII)V");
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
+ if (vppjni_init(env) != 0) {
return JNI_ERR;
}
- // methods are not local references they stay forever
- // jclass is local reference let's hold global ref to it
- jm->jcls = (*env)->NewGlobalRef(env, cls);
-
jm->jvm = vm;
return JNI_VERSION_1_6;
}
@@ -1960,10 +1772,7 @@ void JNI_OnUnload(JavaVM *vm, void *reserved) {
return;
}
- if (jm->jcls != NULL) {
- (*env)->DeleteGlobalRef(env, jm->jcls);
- jm->jcls = NULL;
- }
+ vppjni_uninit(env);
jm->jenv = NULL;
jm->jvm = NULL;
diff --git a/vpp-japi/japi/vppjni.h b/vpp-japi/japi/vppjni.h
index 2fe2893b374..847bbe9242e 100644
--- a/vpp-japi/japi/vppjni.h
+++ b/vpp-japi/japi/vppjni.h
@@ -150,8 +150,6 @@ typedef struct {
/* attachment of rx thread to java thread */
JNIEnv *jenv;
JavaVM *jvm;
- jclass jcls;
- jmethodID jmtdIfDetails; // interfaceDetails method
uword *callback_hash; // map context_id => jobject
uword *ping_hash; // map ping context_id => msg type called
diff --git a/vpp-japi/japi/vppjni_env.c b/vpp-japi/japi/vppjni_env.c
new file mode 100644
index 00000000000..84991eee242
--- /dev/null
+++ b/vpp-japi/japi/vppjni_env.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <jni.h>
+
+#include "vppjni_env.h"
+
+// Head of the class registration list.
+static vppjni_class_t *class_head;
+// Head of the class registration list.
+static vppjni_field_t *field_head;
+
+void vppjni_init_register_class(vppjni_class_t *ptr)
+{
+ vppjni_class_t **where = &class_head;
+ while (*where != NULL) {
+ where = &((*where)->next);
+ }
+ *where = ptr;
+}
+
+void vppjni_register_field(vppjni_field_t *ptr) {
+ vppjni_field_t **where = &field_head;
+ while (*where != NULL) {
+ where = &((*where)->next);
+ }
+ *where = ptr;
+}
+
+jobject vppjni_init_new_object(JNIEnv *env, const vppjni_class_t *ptr, va_list ap) {
+ jobject obj = (*env)->NewObjectV(env, ptr->jclass, ptr->jinit, ap);
+ if ((*env)->ExceptionCheck(env)) {
+ (*env)->ExceptionDescribe(env);
+ return NULL;
+ }
+
+ return obj;
+}
+
+int vppjni_env_init(JNIEnv *env)
+{
+ vppjni_class_t *cwlk;
+ vppjni_field_t *fwlk;
+
+ for (cwlk = class_head; cwlk != NULL; cwlk = cwlk->next) {
+ jclass cls;
+ jmethodID method;
+
+ cls = (*env)->FindClass(env, cwlk->fqcn);
+ if ((*env)->ExceptionCheck(env)) {
+ (*env)->ExceptionDescribe(env);
+ vppjni_uninit(env);
+ return JNI_ERR;
+ }
+
+ method = (*env)->GetMethodID(env, cls, "<init>", cwlk->init_sig);
+ if ((*env)->ExceptionCheck(env)) {
+ (*env)->ExceptionDescribe(env);
+ vppjni_uninit(env);
+ return JNI_ERR;
+ }
+
+ cwlk->jclass = (*env)->NewGlobalRef(env, cls);
+ if (cwlk->jclass == NULL) {
+ vppjni_uninit(env);
+ return JNI_ERR;
+ }
+ cwlk->jinit = method;
+ }
+
+ for (fwlk = field_head; fwlk != NULL; fwlk = fwlk->next) {
+ fwlk->jfield = (*env)->GetFieldID(env, fwlk->clsref->jclass, fwlk->name, fwlk->type);
+ if ((*env)->ExceptionCheck(env)) {
+ (*env)->ExceptionDescribe(env);
+ vppjni_uninit(env);
+ return JNI_ERR;
+ }
+ }
+
+ return 0;
+}
+
+void vppjni_env_uninit(JNIEnv *env) {
+ vppjni_class_t *cwlk;
+ vppjni_field_t *fwlk;
+
+ for (fwlk = field_head; fwlk != NULL; fwlk = fwlk->next) {
+ fwlk->jfield = NULL;
+ }
+
+ for (cwlk = class_head; cwlk != NULL; cwlk = cwlk->next) {
+ if (cwlk->jclass != NULL ) {
+ (*env)->DeleteGlobalRef(env, cwlk->jclass);
+ }
+
+ cwlk->jclass = NULL;
+ cwlk->jinit = NULL;
+ }
+}
+
diff --git a/vpp-japi/japi/vppjni_env.h b/vpp-japi/japi/vppjni_env.h
new file mode 100644
index 00000000000..fe9767b0e11
--- /dev/null
+++ b/vpp-japi/japi/vppjni_env.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * Utilities for accessing Java classes/method/fields in an efficient
+ * manner.
+ */
+
+/*
+ * A potentially-uninitialized reference to a Java class
+ */
+typedef struct vppjni_class {
+ // Fully-Qualified Class Name
+ const char *fqcn;
+ // Constructor signature
+ const char *init_sig;
+ // Global reference to class handle
+ jclass jclass;
+ // Constructor method handle
+ jmethodID jinit;
+ // Next item in linked list
+ struct vppjni_class *next;
+} vppjni_class_t;
+
+typedef struct jenv_field {
+ // Field name
+ const char *name;
+ // Field type
+ const char *type;
+ // Defining class reference
+ const vppjni_class_t *clsref;
+ // Field handle
+ jfieldID jfield;
+ // Next item in linked list
+ struct jenv_field *next;
+} vppjni_field_t;
+
+#define VPPJNI_CLASS_SYMBOL(name) vppjni_class_##name
+#define VPPJNI_CLASS_INIT(name) vppjni_class_##name##_init
+#define BIND_JAPI_CLASS(name, sig) \
+ static vppjni_class_t VPPJNI_CLASS_SYMBOL(name); \
+ static void VPPJNI_CLASS_INIT(name)(void) __attribute__((__constructor__)); \
+ static void VPPJNI_CLASS_INIT(name)() \
+ { \
+ VPPJNI_CLASS_SYMBOL(name).fqcn = "org/openvpp/vppjapi/" #name; \
+ VPPJNI_CLASS_SYMBOL(name).init_sig = sig; \
+ vppjni_register_class(&VPPJNI_CLASS_SYMBOL(name)); \
+ } \
+ static __attribute__((unused)) jobject name##Array(JNIEnv *env, jsize length) \
+ { \
+ return (*env)->NewObjectArray(env, length, VPPJNI_CLASS_SYMBOL(name).jclass, NULL); \
+ } \
+ static jobject name##Object(JNIEnv *env, ...) \
+ { \
+ va_list ap; \
+ va_start(ap, env); \
+ jobject obj = vppjni_new_object(env, &VPPJNI_CLASS_SYMBOL(name), ap); \
+ va_end(ap); \
+ return obj; \
+ }
+
+#define VPPJNI_FIELD_SYMBOL(cls, name) vppjni_field_##cls##_##name
+#define VPPJNI_FIELD_INIT(cls, name) vppjni_field_##cls##_##name##_init
+#define BIND_JAPI_FIELD(cls, field, sig) \
+ static vppjni_field_t VPPJNI_FIELD_SYMBOL(cls, field); \
+ static void VPPJNI_FIELD_INIT(cls, field)(void) __attribute__((__constructor__)); \
+ static void VPPJNI_FIELD_INIT(cls, field)() \
+ { \
+ VPPJNI_FIELD_SYMBOL(cls, field).name = #field; \
+ VPPJNI_FIELD_SYMBOL(cls, field).type = sig; \
+ VPPJNI_FIELD_SYMBOL(cls, field).clsref = &VPPJNI_CLASS_SYMBOL(cls); \
+ vppjni_register_field(&VPPJNI_FIELD_SYMBOL(cls, field)); \
+ }
+#define BIND_JAPI_BOOL_FIELD(cls, field) \
+ BIND_JAPI_FIELD(cls, field, "Z"); \
+ static void set_##cls##_##field(JNIEnv *env, jobject obj, jboolean value) \
+ { \
+ (*env)->SetBooleanField(env, obj, VPPJNI_FIELD_SYMBOL(cls, field).jfield, value); \
+ }
+#define BIND_JAPI_BYTE_FIELD(cls, field) \
+ BIND_JAPI_FIELD(cls, field, "B"); \
+ static void set_##cls##_##field(JNIEnv *env, jobject obj, jbyte value) \
+ { \
+ (*env)->SetByteField(env, obj, VPPJNI_FIELD_SYMBOL(cls, field).jfield, value); \
+ }
+#define BIND_JAPI_INT_FIELD(cls, field) \
+ BIND_JAPI_FIELD(cls, field, "I"); \
+ static void set_##cls##_##field(JNIEnv *env, jobject obj, jint value) \
+ { \
+ (*env)->SetIntField(env, obj, VPPJNI_FIELD_SYMBOL(cls, field).jfield, value); \
+ }
+#define BIND_JAPI_OBJ_FIELD(cls, field, sig) \
+ BIND_JAPI_FIELD(cls, field, sig); \
+ static void set_##cls##_##field(JNIEnv *env, jobject obj, jobject value) \
+ { \
+ (*env)->SetObjectField(env, obj, VPPJNI_FIELD_SYMBOL(cls, field).jfield, value); \
+ }
+#define BIND_JAPI_STRING_FIELD(cls, field) \
+ BIND_JAPI_OBJ_FIELD(cls, field, "Ljava/lang/String;")
+
+jobject vppjni_new_object(JNIEnv *env, const vppjni_class_t *ptr, va_list ap);
+void vppjni_register_class(vppjni_class_t *ptr);
+void vppjni_register_field(vppjni_field_t *ptr);
+int vppjni_init(JNIEnv *env);
+void vppjni_uninit(JNIEnv *env);
+