17 files changed, 522 insertions, 479 deletions

diff --git a/ecp/test/Makefile b/ecp/test/Makefile
index 50a4202..b2fd6f8 100644
--- a/ecp/test/Makefile
+++ b/ecp/test/Makefile
@@ -1,13 +1,15 @@
 src_dir = ../src
 include $(src_dir)/ecp/common.mk
 CFLAGS += -I../util -Wno-int-to-void-pointer-cast
+dep = ../build-posix/*.a ../util/libecputil.a
+
+target = basic client server vc_inb vc_outb vcs vc_server vc_client
 
-dep=../build-posix/*.a ../util/libecputil.a
 
 %.o: %.c
 	$(CC) $(CFLAGS) -c $<
 
-all: basic client server vcs vc_server vc_client
+all: $(target)
 
 basic: basic.o init.o $(dep)
 	$(CC) -o $@ $< init.o $(dep) $(LDFLAGS)
@@ -18,6 +20,12 @@ client: client.o init.o $(dep)
 server: server.o init.o $(dep)
 	$(CC) -o $@ $< init.o $(dep) $(LDFLAGS)
 
+vc_inb: vc_inb.o vc_common.o init_vconn.o $(dep)
+	$(CC) -o $@ $< vc_common.o init_vconn.o $(dep) $(LDFLAGS)
+
+vc_outb: vc_outb.o vc_common.o init_vconn.o $(dep)
+	$(CC) -o $@ $< vc_common.o init_vconn.o $(dep) $(LDFLAGS)
+
 vcs: vcs.o init_vconn.o $(dep)
 	$(CC) -o $@ $< init_vconn.o $(dep) $(LDFLAGS)
 
@@ -29,4 +37,4 @@ vc_client: vc_client.o init_vconn.o $(dep)
 
 clean:
 	rm -f *.o
-	rm -f basic dir client server echo frag stress vcs vc_server vc_client vc_client_t voip
+	rm -f $(target)
diff --git a/ecp/test/basic.c b/ecp/test/basic.c
index b266a07..637a829 100644
--- a/ecp/test/basic.c
+++ b/ecp/test/basic.c
@@ -2,7 +2,9 @@
 #include <unistd.h>
 #include <stdio.h>
 
-#include <core.h>
+#include <ecp/core.h>
+
+#include "init.h"
 
 ECPContext ctx_s;
 ECPSocket sock_s;
@@ -43,6 +45,7 @@ static ssize_t handle_msg_s(ECPConnection *conn, ecp_seq_t seq, unsigned char mt
 }
 
 int main(int argc, char *argv[]) {
+    ecp_tr_addr_t addr;
     ECPDHKey key_perma_c;
     ECPDHKey key_perma_s;
     ECPNode node;
@@ -53,7 +56,7 @@ int main(int argc, char *argv[]) {
     printf("ecp_init RV:%d\n", rv);
 
     ecp_conn_handler_init(&handler_s, handle_msg_s, NULL, NULL, NULL);
-    ecp_ctx_set_handler(&ctx_s, &handler_s, CTYPE_TEST);
+    ecp_ctx_set_handler(&ctx_s, CTYPE_TEST, &handler_s);
 
     rv = ecp_dhkey_gen(&key_perma_s);
     printf("ecp_dhkey_gen RV:%d\n", rv);
@@ -61,7 +64,10 @@ int main(int argc, char *argv[]) {
     rv = ecp_sock_create(&sock_s, &ctx_s, &key_perma_s);
     printf("ecp_sock_create RV:%d\n", rv);
 
-    rv = ecp_sock_open(&sock_s, "0.0.0.0:3000");
+    rv = ecp_addr_init(&addr, "0.0.0.0:3000");
+    printf("ecp_addr_init RV:%d\n", rv);
+
+    rv = ecp_sock_open(&sock_s, &addr);
     printf("ecp_sock_open RV:%d\n", rv);
 
     rv = ecp_start_receiver(&sock_s);
@@ -72,7 +78,7 @@ int main(int argc, char *argv[]) {
     printf("ecp_init RV:%d\n", rv);
 
     ecp_conn_handler_init(&handler_c, handle_msg_c, handle_open_c, NULL, NULL);
-    ecp_ctx_set_handler(&ctx_c, &handler_c, CTYPE_TEST);
+    ecp_ctx_set_handler(&ctx_c, CTYPE_TEST, &handler_c);
 
     rv = ecp_dhkey_gen(&key_perma_c);
     printf("ecp_dhkey_gen RV:%d\n", rv);
@@ -86,12 +92,11 @@ int main(int argc, char *argv[]) {
     rv = ecp_start_receiver(&sock_c);
     printf("ecp_start_receiver RV:%d\n", rv);
 
-    rv = ecp_node_init(&node, &key_perma_s.public, "127.0.0.1:3000");
-    printf("ecp_node_init RV:%d\n", rv);
-
-    rv = ecp_conn_create(&conn, &sock_c, CTYPE_TEST);
-    printf("ecp_conn_create RV:%d\n", rv);
+    ecp_node_init(&node, &key_perma_s.public, NULL);
+    rv = ecp_node_set_addr(&node, "127.0.0.1:3000");
+    printf("ecp_node_set_addr RV:%d\n", rv);
 
+    ecp_conn_init(&conn, &sock_c, CTYPE_TEST);
     rv = ecp_conn_open(&conn, &node);
     printf("ecp_conn_open RV:%d\n", rv);
 
diff --git a/ecp/test/client.c b/ecp/test/client.c
index d526f76..52a8587 100644
--- a/ecp/test/client.c
+++ b/ecp/test/client.c
@@ -3,10 +3,12 @@
 #include <unistd.h>
 #include <stdio.h>
 
-#include <core.h>
+#include <ecp/core.h>
 
 #include <util.h>
 
+#include "init.h"
+
 ECPContext ctx;
 ECPSocket sock;
 ECPConnHandler handler;
@@ -48,7 +50,7 @@ int main(int argc, char *argv[]) {
     printf("ecp_init RV:%d\n", rv);
 
     ecp_conn_handler_init(&handler, handle_msg, handle_open, NULL, NULL);
-    ecp_ctx_set_handler(&ctx, &handler, CTYPE_TEST);
+    ecp_ctx_set_handler(&ctx, CTYPE_TEST, &handler);
 
     rv = ecp_dhkey_gen(&key_perma);
     printf("ecp_dhkey_gen RV:%d\n", rv);
@@ -62,15 +64,14 @@ int main(int argc, char *argv[]) {
     rv = ecp_start_receiver(&sock);
     printf("ecp_start_receiver RV:%d\n", rv);
 
-    rv = ecp_conn_create(&conn, &sock, CTYPE_TEST);
-    printf("ecp_conn_create RV:%d\n", rv);
-
     rv = ecp_util_load_pub(&node_pub, argv[2]);
     printf("ecp_util_load_pub RV:%d\n", rv);
 
-    rv = ecp_node_init(&node, &node_pub, argv[1]);
-    printf("ecp_node_init RV:%d\n", rv);
+    ecp_node_init(&node, &node_pub, NULL);
+    rv = ecp_node_set_addr(&node, argv[1]);
+    printf("ecp_node_set_addr RV:%d\n", rv);
 
+    ecp_conn_init(&conn, &sock, CTYPE_TEST);
     rv = ecp_conn_open(&conn, &node);
     printf("ecp_conn_open RV:%d\n", rv);
 
diff --git a/ecp/test/init.c b/ecp/test/init.c
index f4b033a..b75b2ee 100644
--- a/ecp/test/init.c
+++ b/ecp/test/init.c
@@ -1,34 +1,27 @@
 #include <stdlib.h>
 #include <stdio.h>
 
-#include <core.h>
+#include <ecp/core.h>
 
-void handle_err(ECPConnection *conn, unsigned char mtype, int err) {
+static void handle_err(ECPConnection *conn, unsigned char mtype, int err) {
     printf("ERR: CTYPE:%d MTYPE:%x ERR:%d\n", conn->type, mtype, err);
 }
 
-static ECPConnection *conn_alloc(ECPSocket *sock, unsigned char type) {
+static ECPConnection *conn_new(ECPSocket *sock, unsigned char type) {
     ECPConnection *conn;
-    int rv;
 
     conn = malloc(sizeof(ECPConnection));
-    if (conn == NULL) return NULL;
-
-    rv = ecp_conn_create_inb(conn, sock, type);
-    if (rv) {
-        free(conn);
-        return NULL;
-    }
+    if (conn) ecp_conn_init(conn, sock, type);
     return conn;
 }
 
 static void conn_free(ECPConnection *conn) {
-    free(conn);
+    if (ecp_conn_is_gc(conn)) free(conn);
 }
 
 int ecp_init(ECPContext *ctx) {
     int rv;
 
-    rv = ecp_ctx_init(ctx, handle_err, NULL, conn_alloc, conn_free);
+    rv = ecp_ctx_init(ctx, handle_err, conn_new, conn_free);
     return rv;
 }
diff --git a/ecp/test/init.h b/ecp/test/init.h
new file mode 100644
index 0000000..a1a21d1
--- /dev/null
+++ b/ecp/test/init.h
@@ -0,0 +1 @@
+int ecp_init(ECPContext *ctx);
\ No newline at end of file
diff --git a/ecp/test/init_vconn.c b/ecp/test/init_vconn.c
index 88b6fa0..b690bec 100644
--- a/ecp/test/init_vconn.c
+++ b/ecp/test/init_vconn.c
@@ -2,50 +2,59 @@
 #include <unistd.h>
 #include <stdio.h>
 
-#include <core.h>
-#include <vconn/vconn.h>
+#include <ecp/core.h>
+#include <ecp/vconn/vconn.h>
 
-void handle_err(ECPConnection *conn, unsigned char mtype, int err) {
+static void handle_err(ECPConnection *conn, unsigned char mtype, int err) {
     printf("ERR: CTYPE:0x%x MTYPE:0x%x ERR:%d\n", conn->type, mtype, err);
 }
 
-static ECPConnection *conn_alloc(ECPSocket *sock, unsigned char type) {
-    ECPConnection *conn;
-    int rv;
+static ECPConnection *conn_new(ECPSocket *sock, unsigned char type) {
+    ECPConnection *conn = NULL;
 
     switch (type) {
-        case ECP_CTYPE_VCONN:
-            conn = malloc(sizeof(ECPVConn));
-            if (conn) rv = ecp_vconn_create_inb((ECPVConn *)conn, sock);
+        case ECP_CTYPE_VCONN: {
+            ECPVConnInb *_conn;
+
+            _conn = malloc(sizeof(ECPVConnInb));
+            if (_conn) {
+                ecp_vconn_init_inb(_conn, sock);
+                conn = &_conn->b;
+            }
             break;
+        }
 
-        case ECP_CTYPE_VLINK:
+        case ECP_CTYPE_VLINK: {
             conn = malloc(sizeof(ECPConnection));
-            if (conn) rv = ecp_vlink_create_inb(conn, sock);
+            if (conn) ecp_vlink_init(conn, sock);
             break;
+        }
 
-        default:
+        default: {
             conn = malloc(sizeof(ECPConnection));
-            if (conn) rv = ecp_conn_create_inb(conn, sock, type);
+            if (conn) ecp_conn_init(conn, sock, type);
             break;
-    }
-
-    if (conn == NULL) return NULL;
-    if (rv) {
-        free(conn);
-        return NULL;
+        }
     }
 
     return conn;
 }
 
 static void conn_free(ECPConnection *conn) {
-    free(conn);
+    if (ecp_conn_is_gc(conn)) free(conn);
 }
 
-int ecp_init(ECPContext *ctx) {
+int ecp_init(ECPContext *ctx, ECPConnHandler *vconn_handler, ECPConnHandler *vlink_handler) {
     int rv;
 
-    rv = ecp_ctx_init(ctx, handle_err, NULL, conn_alloc, conn_free);
-    return rv;
+    rv = ecp_ctx_init(ctx, handle_err, conn_new, conn_free);
+    if (rv) return rv;
+
+    rv = ecp_vconn_handler_init(ctx, vconn_handler);
+    if (rv) return rv;
+
+    rv = ecp_vlink_handler_init(ctx, vlink_handler);
+    if (rv) return rv;
+
+    return ECP_OK;
 }
\ No newline at end of file
diff --git a/ecp/test/init_vconn.h b/ecp/test/init_vconn.h
new file mode 100644
index 0000000..64e3269
--- /dev/null
+++ b/ecp/test/init_vconn.h
@@ -0,0 +1 @@
+int ecp_init(ECPContext *ctx, ECPConnHandler *vconn_handler, ECPConnHandler *vlink_handler);
\ No newline at end of file
diff --git a/ecp/test/server.c b/ecp/test/server.c
index 228dbea..19b2f4f 100644
--- a/ecp/test/server.c
+++ b/ecp/test/server.c
@@ -3,10 +3,12 @@
 #include <unistd.h>
 #include <stdio.h>
 
-#include <core.h>
+#include <ecp/core.h>
 
 #include <util.h>
 
+#include "init.h"
+
 ECPContext ctx;
 ECPSocket sock;
 ECPDHKey key_perma;
@@ -31,6 +33,7 @@ static void usage(char *arg) {
 }
 
 int main(int argc, char *argv[]) {
+    ecp_tr_addr_t addr;
     ECPDHKey key_perma;
     int rv;
 
@@ -41,7 +44,7 @@ int main(int argc, char *argv[]) {
     printf("ecp_init RV:%d\n", rv);
 
     ecp_conn_handler_init(&handler, handle_msg, NULL, NULL, NULL);
-    ecp_ctx_set_handler(&ctx, &handler, CTYPE_TEST);
+    ecp_ctx_set_handler(&ctx, CTYPE_TEST, &handler);
 
     rv = ecp_util_load_key(&key_perma.public, &key_perma.private, argv[2]);
     printf("ecp_util_load_key RV:%d\n", rv);
@@ -50,7 +53,10 @@ int main(int argc, char *argv[]) {
     rv = ecp_sock_create(&sock, &ctx, &key_perma);
     printf("ecp_sock_create RV:%d\n", rv);
 
-    rv = ecp_sock_open(&sock, argv[1]);
+    rv = ecp_addr_init(&addr, argv[1]);
+    printf("ecp_addr_init RV:%d\n", rv);
+
+    rv = ecp_sock_open(&sock, &addr);
     printf("ecp_sock_open RV:%d\n", rv);
 
     rv = ecp_start_receiver(&sock);
diff --git a/ecp/test/stress.c b/ecp/test/stress.c
deleted file mode 100644
index 6eed851..0000000
--- a/ecp/test/stress.c
+++ /dev/null
@@ -1,256 +0,0 @@
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <signal.h>
-#include <sys/time.h>
-#include <pthread.h>
-
-#include "core.h"
-
-#ifdef __linux__
-#define SIGINFO     SIGTSTP
-#endif
-
-#define NUM_S       32
-#define NUM_C       256
-#define MSG_RATE    65
-
-#define CTYPE_TEST  0
-#define MTYPE_MSG   8
-
-ECPContext ctx_s;
-ECPDHKey key_perma_s;
-ECPConnHandler handler_s;
-ECPSocket *sock_s;
-
-ECPConnHandler handler_c;
-ECPContext *ctx_c;
-ECPSocket *sock_c;
-ECPDHKey *key_perma_c;
-
-ECPNode *node;
-ECPConnection *conn;
-
-pthread_t *s_thd;
-pthread_t *r_thd;
-pthread_mutex_t *t_mtx;
-int *t_sent, *t_rcvd;
-
-uint64_t t_start = 0, t_end = 0;
-int c_start = 0;
-
-int num_s = NUM_S, num_c = NUM_C;
-int msg_rate = MSG_RATE;
-
-static void display(void) {
-    int i, s = 0, r = 0;
-
-    for (i=0; i<num_c; i++) {
-        pthread_mutex_lock(&t_mtx[i]);
-        s += t_sent[i];
-        r += t_rcvd[i];
-        pthread_mutex_unlock(&t_mtx[i]);
-    }
-
-    uint64_t t_time = t_end - t_start;
-
-    printf("TOTAL SENT:%d RCVD:%d\n", s, r);
-    printf("L:%f%%\n", (s-r)/(float)s*100);
-    printf("T/S S:%f R:%f\n", s/((float)t_time/1000000), r/((float)t_time/1000000));
-}
-
-static void catchINFO(int sig) {
-    struct timeval tv;
-
-    if (!c_start) {
-        gettimeofday(&tv, NULL);
-        t_start = tv.tv_sec*(uint64_t)1000000+tv.tv_usec;
-        c_start = 1;
-        printf("COUNTER START\n");
-    } else {
-        gettimeofday(&tv, NULL);
-        t_end = tv.tv_sec*(uint64_t)1000000+tv.tv_usec;
-        display();
-    }
-}
-
-void *sender(ECPConnection *c) {
-    int idx = (int)(c->conn_data);
-    ECPBuffer packet;
-    ECPBuffer payload;
-    unsigned char pkt_buf[ECP_MAX_PKT];
-    unsigned char pld_buf[ECP_MAX_PLD];
-
-    packet.buffer = pkt_buf;
-    packet.size = ECP_MAX_PKT;
-    payload.buffer = pld_buf;
-    payload.size = ECP_MAX_PLD;
-
-    printf("OPEN:%d\n", idx);
-    while(1) {
-        uint32_t rnd;
-        c->sock->ctx->rng(&rnd, sizeof(uint32_t));
-        usleep(rnd % (2000000/msg_rate));
-
-        ecp_pld_set_type(payload.buffer, payload.size, MTYPE_MSG);
-        ssize_t _rv = 0;
-        // XXX refactor
-        // _rv = ecp_pld_send(c, &packet, &payload, ECP_SIZE_PLD(1000, 0));
-        if (c_start && (_rv > 0)) {
-            pthread_mutex_lock(&t_mtx[idx]);
-            t_sent[idx]++;
-            pthread_mutex_unlock(&t_mtx[idx]);
-        }
-    }
-}
-
-ssize_t handle_open_c(ECPConnection *conn, ecp_seq_t sq, unsigned char t, unsigned char *p, ssize_t s, ECP2Buffer *b) {
-    int idx = (int)(conn->conn_data);
-    int rv = 0;
-
-    ecp_conn_handle_open(conn, sq, t, p, s, b);
-    rv = pthread_create(&s_thd[idx], NULL, (void *(*)(void *))sender, (void *)conn);
-    if (rv) {
-        char msg[256];
-        sprintf(msg, "THD %d CREATE\n", idx);
-        perror(msg);
-        exit(1);
-    }
-    return s;
-}
-
-ssize_t handle_msg_c(ECPConnection *conn, ecp_seq_t sq, unsigned char t, unsigned char *p, ssize_t s, ECP2Buffer *b) {
-    int idx = (int)(conn->conn_data);
-    ECPBuffer packet;
-    ECPBuffer payload;
-    unsigned char pkt_buf[ECP_MAX_PKT];
-    unsigned char pld_buf[ECP_MAX_PLD];
-
-    packet.buffer = pkt_buf;
-    packet.size = ECP_MAX_PKT;
-    payload.buffer = pld_buf;
-    payload.size = ECP_MAX_PLD;
-
-    if (c_start) {
-        pthread_mutex_lock(&t_mtx[idx]);
-        t_rcvd[idx]++;
-        pthread_mutex_unlock(&t_mtx[idx]);
-    }
-
-    // ecp_pld_set_type(payload.buffer, payload.size, MTYPE_MSG);
-    // ssize_t _rv = ecp_pld_send(c, &packet, &payload, ECP_SIZE_PLD(1000, 0));
-    return s;
-}
-
-ssize_t handle_msg_s(ECPConnection *conn, ecp_seq_t sq, unsigned char t, unsigned char *p, ssize_t s, ECP2Buffer *b) {
-    ECPBuffer packet;
-    ECPBuffer payload;
-    unsigned char pkt_buf[ECP_MAX_PKT];
-    unsigned char pld_buf[ECP_MAX_PLD];
-
-    packet.buffer = pkt_buf;
-    packet.size = ECP_MAX_PKT;
-    payload.buffer = pld_buf;
-    payload.size = ECP_MAX_PLD;
-
-    ecp_pld_set_type(payload.buffer, payload.size, MTYPE_MSG);
-    // XXX refactor
-    // ssize_t _rv = ecp_pld_send(conn, &packet, &payload, ECP_SIZE_PLD(1000, 0));
-    return s;
-}
-
-int main(int argc, char *argv[]) {
-    char addr[256];
-    int rv;
-    int i;
-
-    ECPConnHandler handler_c;
-
-    ECPContext *ctx_c;
-    ECPSocket *sock_c;
-    ECPDHKey *key_perma_c;
-
-    ECPNode *node;
-    ECPConnection *conn;
-
-    sock_s = malloc(num_s * sizeof(ECPSocket));
-    ctx_c = malloc(num_c * sizeof(ECPContext));
-    sock_c = malloc(num_c * sizeof(ECPSocket));
-    key_perma_c = malloc(num_c * sizeof(ECPDHKey));
-    node = malloc(num_c * sizeof(ECPNode));
-    conn = malloc(num_c * sizeof(ECPConnection));
-
-    s_thd = malloc(num_c * sizeof(pthread_t));
-    r_thd = malloc(num_c * sizeof(pthread_t));
-    t_mtx = malloc(num_c * sizeof(pthread_mutex_t));
-    t_sent = malloc(num_c * sizeof(int));
-    t_rcvd = malloc(num_c * sizeof(int));
-    memset(t_rcvd, 0, num_c * sizeof(int));
-    memset(t_sent, 0, num_c * sizeof(int));
-
-    struct sigaction actINFO;
-    memset(&actINFO, 0, sizeof(actINFO));
-    actINFO.sa_handler = &catchINFO;
-    sigaction(SIGINFO, &actINFO, NULL);
-
-    rv = ecp_init(&ctx_s);
-    if (!rv) rv = ecp_conn_handler_init(&handler_s);
-    handler_s.msg[MTYPE_MSG] = handle_msg_s;
-    ctx_s.handler[CTYPE_TEST] = &handler_s;
-
-    if (!rv) rv = ecp_dhkey_gen(&ctx_s, &key_perma_s);
-
-    for (i=0; i<num_s; i++) {
-        if (!rv) rv = ecp_sock_init(&sock_s[i], &ctx_s, &key_perma_s);
-
-        strcpy(addr, "0.0.0.0:");
-        sprintf(addr+strlen(addr), "%d", 3000+i);
-        if (!rv) rv = ecp_sock_open(&sock_s[i], addr);
-
-        if (!rv) rv = pthread_create(&r_thd[i], NULL, (void *(*)(void *))ecp_receiver, (void *)&sock_s[i]);
-
-        if (rv) {
-            char msg[256];
-            sprintf(msg, "SERVER %d CREATE:%d\n", i, rv);
-            perror(msg);
-            exit(1);
-        }
-    }
-
-    rv = ecp_conn_handler_init(&handler_c);
-
-    handler_c.msg[ECP_MTYPE_OPEN] = handle_open_c;
-    handler_c.msg[MTYPE_MSG] = handle_msg_c;
-
-    for (i=0; i<num_c; i++) {
-        pthread_mutex_init(&t_mtx[i], NULL);
-
-        if (!rv) rv = ecp_init(&ctx_c[i]);
-        ctx_c[i].handler[CTYPE_TEST] = &handler_c;
-
-        if (!rv) rv = ecp_dhkey_gen(&ctx_c[i], &key_perma_c[i]);
-        if (!rv) rv = ecp_sock_init(&sock_c[i], &ctx_c[i], &key_perma_c[i]);
-        if (!rv) rv = ecp_sock_open(&sock_c[i], NULL);
-
-        if (!rv) rv = pthread_create(&r_thd[i], NULL, (void *(*)(void *))ecp_receiver, (void *)&sock_c[i]);
-
-        strcpy(addr, "127.0.0.1:");
-        sprintf(addr+strlen(addr), "%d", 3000 + (i % num_s));
-        if (!rv) rv = ecp_node_init(&node[i], &key_perma_s.public, addr);
-
-        if (!rv) rv = ecp_conn_init(&conn[i], &sock_c[i], CTYPE_TEST);
-        conn[i].conn_data = (void *)i;
-
-        if (!rv) rv = ecp_conn_open(&conn[i], &node[i]);
-
-        if (rv) {
-            char msg[256];
-            sprintf(msg, "CLIENT %d CREATE:%d\n", i, rv);
-            perror(msg);
-            exit(1);
-        }
-
-    }
-    while (1) sleep(1);
-}
\ No newline at end of file
diff --git a/ecp/test/vc_client.c b/ecp/test/vc_client.c
index 89602ca..41c364d 100644
--- a/ecp/test/vc_client.c
+++ b/ecp/test/vc_client.c
@@ -3,16 +3,20 @@
 #include <unistd.h>
 #include <stdio.h>
 
-#include <core.h>
-#include <vconn/vconn.h>
+#include <ecp/core.h>
+#include <ecp/vconn/vconn.h>
 
 #include <util.h>
 
+#include "init_vconn.h"
+
 ECPContext ctx;
 ECPSocket sock;
 ECPConnHandler handler;
+ECPConnHandler vconn_handler;
+ECPConnHandler vlink_handler;
 ECPConnection conn;
-ECPConnection vconn[3];
+ECPVConnOutb vconn[3];
 
 #define CTYPE_TEST  0
 #define MTYPE_MSG   0
@@ -47,11 +51,11 @@ int main(int argc, char *argv[]) {
 
     if ((argc < 4) || (argc > 6)) usage(argv[0]);
 
-    rv = ecp_init(&ctx);
+    rv = ecp_init(&ctx, &vconn_handler, &vlink_handler);
     printf("ecp_init RV:%d\n", rv);
 
     ecp_conn_handler_init(&handler, handle_msg, handle_open, NULL, NULL);
-    ecp_ctx_set_handler(&ctx, &handler, CTYPE_TEST);
+    ecp_ctx_set_handler(&ctx, CTYPE_TEST, &handler);
 
     rv = ecp_dhkey_gen(&key_perma);
     printf("ecp_dhkey_gen RV:%d\n", rv);
@@ -65,24 +69,21 @@ int main(int argc, char *argv[]) {
     rv = ecp_start_receiver(&sock);
     printf("ecp_start_receiver RV:%d\n", rv);
 
+    rv = ecp_util_load_pub(&node_pub, argv[1]);
+    printf("ecp_util_load_pub RV:%d\n", rv);
+
+    ecp_node_init(&node, &node_pub, NULL);
+    rv = ecp_node_set_addr(&node, argv[2]);
+    printf("ecp_node_set_addr RV:%d\n", rv);
+
     for (i=3; i<argc; i++) {
         rv = ecp_util_load_pub(&vconn_pub[i-3], argv[i]);
         printf("ecp_util_load_pub RV:%d\n", rv);
     }
 
-    rv = ecp_conn_create(&conn, &sock, CTYPE_TEST);
-    printf("ecp_conn_create RV:%d\n", rv);
-
-    rv = ecp_vconn_create(vconn, vconn_pub, argc-3, &conn);
-    printf("ecp_vconn_create RV:%d\n", rv);
-
-    rv = ecp_util_load_pub(&node_pub, argv[1]);
-    printf("ecp_util_load_pub RV:%d\n", rv);
-
-    rv = ecp_node_init(&node, &node_pub, argv[2]);
-    printf("ecp_node_init RV:%d\n", rv);
-
-    rv = ecp_vconn_open(&conn, &node);
+    ecp_conn_init(&conn, &sock, CTYPE_TEST);
+    ecp_vconn_init(vconn, vconn_pub, argc-3, &sock);
+    rv = ecp_vconn_open(vconn, &conn, &node);
     printf("ecp_vconn_open RV:%d\n", rv);
 
     while (1) sleep(1);
diff --git a/ecp/test/vc_client_t.c b/ecp/test/vc_client_t.c
deleted file mode 100644
index 968d643..0000000
--- a/ecp/test/vc_client_t.c
+++ /dev/null
@@ -1,118 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/time.h>
-
-#include "core.h"
-#include "vconn/vconn.h"
-#include "util.h"
-
-ECPContext ctx;
-ECPSocket sock;
-ECPConnHandler handler;
-
-ECPNode node;
-ECPConnection conn;
-
-ECPVConnOut vconn[20];
-ECPNode vconn_node[20];
-
-#define CTYPE_TEST  0
-#define MTYPE_MSG   8
-
-
-int counter = 0;
-uint64_t t_start = 0;
-uint64_t t_end = 0;
-ssize_t handle_open(ECPConnection *conn, ecp_seq_t sq, unsigned char t, unsigned char *p, ssize_t s, ECP2Buffer *b) {
-    ssize_t rv = ecp_conn_handle_open(conn, sq, t, p, s, b);
-    if (rv < 0) {
-        printf("OPEN ERR:%ld\n", s);
-        return rv;
-    }
-
-    printf("OPEN\n");
-    char *msg = "PERA JE CAR!";
-    unsigned char buf[1000];
-
-    strcpy((char *)buf, msg);
-    // ssize_t _rv = ecp_send(conn, MTYPE_MSG, buf, 1000);
-
-    struct timeval tv;
-    gettimeofday(&tv, NULL);
-    t_start = tv.tv_sec*(uint64_t)1000000+tv.tv_usec;
-
-    return rv;
-}
-
-ssize_t handle_msg(ECPConnection *conn, ecp_seq_t sq, unsigned char t, unsigned char *p, ssize_t s, ECP2Buffer *b) {
-    ecp_send(conn, t, p, s);
-    write(2, p+1, s-1);
-    fflush(stderr);
-    // printf("MSG C:%s size:%ld\n", p, s);
-    return s;
-
-    counter++;
-    char *msg = "PERA JE CAR!";
-    unsigned char buf[1000];
-
-    strcpy((char *)buf, msg);
-    ssize_t _rv = ecp_send(conn, MTYPE_MSG, buf, 1000);
-
-    if (counter % 100 == 0) {
-        struct timeval tv;
-        uint64_t t_time;
-
-        gettimeofday(&tv, NULL);
-        t_end = tv.tv_sec*(uint64_t)1000000+tv.tv_usec;
-        t_time = t_end - t_start;
-        printf("T:%f\n", (float)t_time/1000000);
-        t_start = t_end;
-    }
-    return s;
-}
-
-static void usage(char *arg) {
-    fprintf(stderr, "Usage: %s <server.pub> <vcs1.pub> ... <vcsn.pub>\n", arg);
-    exit(1);
-}
-
-int main(int argc, char *argv[]) {
-    int rv, i;
-
-    if ((argc < 3) || (argc > 22)) usage(argv[0]);
-
-    rv = ecp_init(&ctx);
-    printf("ecp_init RV:%d\n", rv);
-
-    rv = ecp_conn_handler_init(&handler);
-    handler.msg[ECP_MTYPE_OPEN] = handle_open;
-    handler.msg[MTYPE_MSG] = handle_msg;
-    ctx.handler[CTYPE_TEST] = &handler;
-
-    rv = ecp_sock_init(&sock, &ctx, NULL);
-    printf("ecp_sock_init RV:%d\n", rv);
-
-    rv = ecp_sock_open(&sock, NULL);
-    printf("ecp_sock_open RV:%d\n", rv);
-
-    rv = ecp_start_receiver(&sock);
-    printf("ecp_start_receiver RV:%d\n", rv);
-
-    rv = ecp_util_node_load(&ctx, &node, argv[1]);
-    printf("ecp_util_node_load RV:%d\n", rv);
-
-    for (i=0; i<argc-2; i++) {
-        rv = ecp_util_node_load(&ctx, &vconn_node[i], argv[i+2]);
-        printf("ecp_util_node_load RV:%d\n", rv);
-    }
-
-    rv = ecp_conn_init(&conn, &sock, CTYPE_TEST);
-    printf("ecp_conn_init RV:%d\n", rv);
-
-    rv = ecp_vconn_open(&conn, &node, vconn, vconn_node, argc-2);
-    printf("ecp_vconn_open RV:%d\n", rv);
-
-    while (1) sleep(1);
-}
diff --git a/ecp/test/vc_common.c b/ecp/test/vc_common.c
new file mode 100644
index 0000000..0508ac1
--- /dev/null
+++ b/ecp/test/vc_common.c
@@ -0,0 +1,127 @@
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#include <ecp/core.h>
+#include <ecp/dir/dir.h>
+#include <ecp/vconn/vconn.h>
+
+#include <openssl/crypto.h>
+#include <openssl/sha.h>
+
+#include "vc_common.h"
+
+#define VCONN_NODES 3
+
+#define MIN(X, Y)           (((X) < (Y)) ? (X) : (Y))
+#define MAX(X, Y)           (((X) > (Y)) ? (X) : (Y))
+
+static void msg_remove_item(unsigned char *msg, uint16_t i, uint16_t c) {
+    if (c - i - 1) memmove(msg + i * ECP_SIZE_DIR_ITEM, msg + (i + 1) * ECP_SIZE_DIR_ITEM, (c - i - 1) * ECP_SIZE_DIR_ITEM);
+}
+
+static void hrw_select(unsigned char *msg, uint16_t count, ecp_ecdh_public_t *pub, ecp_ecdh_public_t *hrw_pub, ecp_ecdh_public_t vconn_pub[], size_t *_vconn_size, ecp_tr_addr_t *addr) {
+    unsigned char *_msg = msg;
+    unsigned char hash[SHA_DIGEST_LENGTH];
+    unsigned char hrw_hash[SHA_DIGEST_LENGTH];
+    ecp_ecdh_public_t hash_pub[2];
+    size_t vconn_size = *_vconn_size;
+    ECPDirItem dir_item;
+    SHA_CTX ctx;
+    int i, hrw_i;
+
+    if (count == 0) return;
+
+    memset(hrw_hash, 0, sizeof(hrw_hash));
+    memcpy(&hash_pub[0], pub, sizeof(ecp_ecdh_public_t));
+
+    for (i=0; i<count; i++) {
+        unsigned char *host;
+        uint16_t port;
+        size_t rv;
+
+        rv = ecp_dir_item_parse(&dir_item, _msg);
+        _msg += rv;
+
+        host = dir_item.node.addr.host;
+        port = dir_item.node.addr.port;
+        printf("ITEM: %d.%d.%d.%d:%d\n", host[0], host[1], host[2], host[3], ntohs(port));
+
+        memcpy(&hash_pub[1], &dir_item.node.key_perma.public, sizeof(ecp_ecdh_public_t));
+        SHA1_Init(&ctx);
+        SHA1_Update(&ctx, hash_pub, sizeof(hash_pub));
+        SHA1_Final(hash, &ctx);
+        if (memcmp(hrw_hash, hash, sizeof(hash)) < 0) {
+            hrw_i = i;
+            memcpy(hrw_hash, hash, sizeof(hash));
+            memcpy(hrw_pub, &dir_item.node.key_perma, sizeof(ecp_ecdh_public_t));
+        }
+    }
+
+    printf("SELECTED: %d\n", hrw_i);
+    msg_remove_item(msg, hrw_i, count);
+    count--;
+
+    vconn_size = MIN(count, vconn_size);
+    for (i=0; i<vconn_size; i++) {
+        uint16_t s;
+
+        s = arc4random() % count;
+        _msg = msg + s * ECP_SIZE_DIR_ITEM;
+        ecp_dir_item_parse(&dir_item, _msg);
+        memcpy(&vconn_pub[i], &dir_item.node.key_perma, sizeof(ecp_ecdh_public_t));
+        if (i==0) *addr = dir_item.node.addr;
+        msg_remove_item(msg, s, count);
+        count--;
+    }
+    *_vconn_size = vconn_size;
+}
+
+int vc_open_inb(ECPConnection *vlink, unsigned char *msg, uint16_t count, ecp_ecdh_public_t *local_pub) {
+    ecp_ecdh_public_t vconn_pub[VCONN_NODES - 1];
+    ecp_ecdh_public_t hrw_pub;
+    ecp_tr_addr_t addr;
+    ECPNode node;
+    ECPVConnOutb *vconn;
+    size_t vconn_size;
+    int rv;
+
+    vconn_size = VCONN_NODES - 1;
+    hrw_select(msg, count, local_pub, &hrw_pub, vconn_pub, &vconn_size, &addr);
+
+    vconn = malloc(sizeof(ECPVConnOutb) * vconn_size);
+    if (vconn == NULL) return ECP_ERR_ALLOC;
+
+    ecp_vconn_init(vconn, vconn_pub, vconn_size, vlink->sock);
+    ecp_node_init(&node, &hrw_pub, &addr);
+    rv = ecp_vconn_open(vconn, vlink, &node);
+    printf("ecp_vconn_open RV:%d\n", rv);
+
+    return ECP_OK;
+}
+
+int vc_open_outb(ECPConnection *conn, unsigned char *msg, uint16_t count, ecp_ecdh_public_t *remote_pub) {
+    ecp_ecdh_public_t vconn_pub[VCONN_NODES];
+    ecp_ecdh_public_t hrw_pub;
+    ecp_tr_addr_t addr;
+    ECPNode node;
+    ECPVConnOutb *vconn;
+    size_t vconn_size;
+    int rv;
+
+    vconn_size = VCONN_NODES - 1;
+    hrw_select(msg, count, remote_pub, &hrw_pub, vconn_pub, &vconn_size, &addr);
+    memcpy(&vconn_pub[vconn_size], &hrw_pub, sizeof(ecp_ecdh_public_t));
+    vconn_size++;
+
+    vconn = malloc(sizeof(ECPVConnOutb) * vconn_size);
+    if (vconn == NULL) return ECP_ERR_ALLOC;
+
+    ecp_vconn_init(vconn, vconn_pub, vconn_size, conn->sock);
+    ecp_node_init(&node, remote_pub, &addr);
+    rv = ecp_vconn_open(vconn, conn, &node);
+    printf("ecp_vconn_open RV:%d\n", rv);
+
+    return ECP_OK;
+}
diff --git a/ecp/test/vc_common.h b/ecp/test/vc_common.h
new file mode 100644
index 0000000..a684566
--- /dev/null
+++ b/ecp/test/vc_common.h
@@ -0,0 +1,2 @@
+int vc_open_inb(ECPConnection *vlink, unsigned char *msg, uint16_t count, ecp_ecdh_public_t *local_pub);
+int vc_open_outb(ECPConnection *conn, unsigned char *msg, uint16_t count, ecp_ecdh_public_t *remote_pub);
diff --git a/ecp/test/vc_inb.c b/ecp/test/vc_inb.c
new file mode 100644
index 0000000..13b493c
--- /dev/null
+++ b/ecp/test/vc_inb.c
@@ -0,0 +1,124 @@
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#include <ecp/core.h>
+#include <ecp/dir/dir.h>
+#include <ecp/vconn/vconn.h>
+
+#include <util.h>
+
+#include "init_vconn.h"
+#include "vc_common.h"
+
+ECPContext ctx;
+ECPSocket sock;
+ECPConnHandler handler;
+ECPConnHandler dir_handler;
+ECPConnHandler vconn_handler;
+ECPConnHandler vlink_handler;
+
+#define CTYPE_TEST  0
+#define MTYPE_MSG   0
+
+static int handle_open(ECPConnection *conn, ECP2Buffer *b) {
+    printf("OPEN\n");
+
+    return ECP_OK;
+}
+
+static ssize_t handle_msg(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, size_t msg_size, ECP2Buffer *b) {
+    char *_msg = "VAISTINU JE CAR!";
+    ssize_t rv;
+
+    printf("MSG:%s size:%ld\n", msg, msg_size);
+    rv = ecp_msg_send(conn, MTYPE_MSG, (unsigned char *)_msg, strlen(_msg)+1);
+
+    return msg_size;
+}
+
+static ssize_t handle_dir_msg(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, size_t msg_size, ECP2Buffer *b) {
+    size_t rsize;
+    uint16_t count;
+    ECPConnection *vlink;
+    int rv;
+
+    if (msg_size < sizeof(uint16_t)) return ECP_ERR_SIZE;
+
+    count = \
+        ((uint16_t)msg[0] << 8) | \
+        ((uint16_t)msg[1]);
+
+    printf("DIR MSG:%d\n", count);
+
+    rsize = sizeof(uint16_t) + count * ECP_SIZE_DIR_ITEM;
+    if (msg_size < rsize) return ECP_ERR_SIZE;
+
+    msg += sizeof(uint16_t);
+
+    vlink = malloc(sizeof(ECPConnection));
+    if (vlink == NULL) return ECP_ERR_ALLOC;
+
+    ecp_vlink_init(vlink, conn->sock);
+    rv = vc_open_inb(vlink, msg, count, &conn->sock->key_perma.public);
+    if (rv) {
+        free(vlink);
+        return rv;
+    }
+
+    return rsize;
+}
+
+static void usage(char *arg) {
+    fprintf(stderr, "Usage: %s <my.priv> <dir pub> <dir addr>\n", arg);
+    exit(1);
+}
+
+int main(int argc, char *argv[]) {
+    ECPConnection *conn_dir;
+    ECPNode node_dir;
+    ecp_ecdh_public_t dir_pub;
+    ECPDHKey key_perma;
+    int rv;
+
+    if (argc != 4) usage(argv[0]);
+
+    rv = ecp_init(&ctx, &vconn_handler, &vlink_handler);
+    printf("ecp_init RV:%d\n", rv);
+
+    ecp_conn_handler_init(&dir_handler, handle_dir_msg, ecp_dir_handle_open, NULL, NULL);
+    ecp_ctx_set_handler(&ctx, ECP_CTYPE_DIR, &dir_handler);
+
+    ecp_conn_handler_init(&handler, handle_msg, handle_open, NULL, NULL);
+    ecp_ctx_set_handler(&ctx, CTYPE_TEST, &handler);
+
+    rv = ecp_util_load_key(&key_perma.public, &key_perma.private, argv[1]);
+    printf("ecp_util_load_key RV:%d\n", rv);
+    key_perma.valid = 1;
+
+    rv = ecp_sock_create(&sock, &ctx, &key_perma);
+    printf("ecp_sock_create RV:%d\n", rv);
+
+    rv = ecp_sock_open(&sock, NULL);
+    printf("ecp_sock_open RV:%d\n", rv);
+
+    rv = ecp_start_receiver(&sock);
+    printf("ecp_start_receiver RV:%d\n", rv);
+
+    rv = ecp_util_load_pub(&dir_pub, argv[2]);
+    printf("ecp_util_load_pub RV:%d\n", rv);
+
+    ecp_node_init(&node_dir, &dir_pub, NULL);
+    rv = ecp_node_set_addr(&node_dir, argv[3]);
+    printf("ecp_node_set_addr RV:%d\n", rv);
+
+    conn_dir = malloc(sizeof(ECPConnection));
+    if (conn_dir == NULL) printf("out of memory\n");
+
+    ecp_dir_conn_init(conn_dir, &sock);
+    rv = ecp_conn_open(conn_dir, &node_dir);
+    printf("ecp_conn_open RV:%d\n", rv);
+
+    while (1) sleep(1);
+}
diff --git a/ecp/test/vc_outb.c b/ecp/test/vc_outb.c
new file mode 100644
index 0000000..6018602
--- /dev/null
+++ b/ecp/test/vc_outb.c
@@ -0,0 +1,128 @@
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#include <ecp/core.h>
+#include <ecp/dir/dir.h>
+#include <ecp/vconn/vconn.h>
+
+#include <util.h>
+
+#include "init_vconn.h"
+#include "vc_common.h"
+
+ECPContext ctx;
+ECPSocket sock;
+ECPConnHandler handler;
+ECPConnHandler dir_handler;
+ECPConnHandler vconn_handler;
+ECPConnHandler vlink_handler;
+ecp_ecdh_public_t remote_pub;
+
+#define CTYPE_TEST  0
+#define MTYPE_MSG   0
+
+static int handle_open(ECPConnection *conn, ECP2Buffer *b) {
+    char *_msg = "PERA JE CAR!";
+    ssize_t rv;
+
+    printf("OPEN\n");
+    rv = ecp_msg_send(conn, MTYPE_MSG, (unsigned char *)_msg, strlen(_msg)+1);
+
+    return ECP_OK;
+}
+
+static ssize_t handle_msg(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, size_t msg_size, ECP2Buffer *b) {
+    printf("MSG:%s size:%ld\n", msg, msg_size);
+
+    return msg_size;
+}
+
+static ssize_t handle_dir_msg(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, size_t msg_size, ECP2Buffer *b) {
+    size_t rsize;
+    uint16_t count;
+    ECPConnection *_conn;
+    int rv;
+
+    if (msg_size < sizeof(uint16_t)) return ECP_ERR_SIZE;
+
+    count = \
+        ((uint16_t)msg[0] << 8) | \
+        ((uint16_t)msg[1]);
+
+    printf("DIR MSG:%d\n", count);
+
+    rsize = sizeof(uint16_t) + count * ECP_SIZE_DIR_ITEM;
+    if (msg_size < rsize) return ECP_ERR_SIZE;
+
+    msg += sizeof(uint16_t);
+
+    _conn = malloc(sizeof(ECPConnection));
+    if (_conn == NULL) return ECP_ERR_ALLOC;
+
+    ecp_conn_init(_conn, conn->sock, CTYPE_TEST);
+    rv = vc_open_outb(_conn, msg, count, &remote_pub);
+    if (rv) {
+        printf("vc_open_outb RV:%d\n", rv);
+        free(_conn);
+        return rv;
+    }
+
+    return rsize;
+}
+
+static void usage(char *arg) {
+    fprintf(stderr, "Usage: %s <remote.pub> <dir pub> <dir addr>\n", arg);
+    exit(1);
+}
+
+int main(int argc, char *argv[]) {
+    ECPConnection *conn_dir;
+    ECPNode node_dir;
+    ecp_ecdh_public_t dir_pub;
+    ECPDHKey key_perma;
+    int rv;
+
+    if (argc != 4) usage(argv[0]);
+
+    rv = ecp_init(&ctx, &vconn_handler, &vlink_handler);
+    printf("ecp_init RV:%d\n", rv);
+
+    ecp_conn_handler_init(&dir_handler, handle_dir_msg, ecp_dir_handle_open, NULL, NULL);
+    ecp_ctx_set_handler(&ctx, ECP_CTYPE_DIR, &dir_handler);
+
+    ecp_conn_handler_init(&handler, handle_msg, handle_open, NULL, NULL);
+    ecp_ctx_set_handler(&ctx, CTYPE_TEST, &handler);
+
+    rv = ecp_dhkey_gen(&key_perma);
+    printf("ecp_dhkey_gen RV:%d\n", rv);
+
+    rv = ecp_sock_create(&sock, &ctx, &key_perma);
+    printf("ecp_sock_create RV:%d\n", rv);
+
+    rv = ecp_sock_open(&sock, NULL);
+    printf("ecp_sock_open RV:%d\n", rv);
+
+    rv = ecp_start_receiver(&sock);
+    printf("ecp_start_receiver RV:%d\n", rv);
+
+    rv = ecp_util_load_pub(&remote_pub, argv[1]);
+    printf("ecp_util_load_pub RV:%d\n", rv);
+
+    rv = ecp_util_load_pub(&dir_pub, argv[2]);
+    printf("ecp_util_load_pub RV:%d\n", rv);
+
+    ecp_node_init(&node_dir, &dir_pub, NULL);
+    rv = ecp_node_set_addr(&node_dir, argv[3]);
+    printf("ecp_node_set_addr RV:%d\n", rv);
+
+    conn_dir = malloc(sizeof(ECPConnection));
+    if (conn_dir == NULL) printf("out of memory\n");
+
+    ecp_dir_conn_init(conn_dir, &sock);
+    rv = ecp_conn_open(conn_dir, &node_dir);
+    printf("ecp_conn_open RV:%d\n", rv);
+
+    while (1) sleep(1);
+}
diff --git a/ecp/test/vc_server.c b/ecp/test/vc_server.c
index de7f275..548b52d 100644
--- a/ecp/test/vc_server.c
+++ b/ecp/test/vc_server.c
@@ -3,16 +3,20 @@
 #include <unistd.h>
 #include <stdio.h>
 
-#include <core.h>
-#include <vconn/vconn.h>
+#include <ecp/core.h>
+#include <ecp/vconn/vconn.h>
 
 #include <util.h>
 
+#include "init_vconn.h"
+
 ECPContext ctx;
 ECPSocket sock;
 ECPConnHandler handler;
+ECPConnHandler vconn_handler;
+ECPConnHandler vlink_handler;
 ECPConnection conn;
-ECPConnection vconn[3];
+ECPVConnOutb vconn[3];
 
 #define CTYPE_TEST  0
 #define MTYPE_MSG   0
@@ -46,11 +50,11 @@ int main(int argc, char *argv[]) {
 
     if ((argc < 4) || (argc > 7)) usage(argv[0]);
 
-    rv = ecp_init(&ctx);
+    rv = ecp_init(&ctx, &vconn_handler, &vlink_handler);
     printf("ecp_init RV:%d\n", rv);
 
     ecp_conn_handler_init(&handler, handle_msg, handle_open, NULL, NULL);
-    ecp_ctx_set_handler(&ctx, &handler, CTYPE_TEST);
+    ecp_ctx_set_handler(&ctx, CTYPE_TEST, &handler);
 
     rv = ecp_util_load_key(&key_perma.public, &key_perma.private, argv[1]);
     printf("ecp_util_load_key RV:%d\n", rv);
@@ -65,29 +69,29 @@ int main(int argc, char *argv[]) {
     rv = ecp_start_receiver(&sock);
     printf("ecp_start_receiver RV:%d\n", rv);
 
-    rv = ecp_vlink_create(&conn, &sock);
-    printf("ecp_vlink_create RV:%d\n", rv);
+    rv = ecp_util_load_pub(&node_pub, argv[argc-1]);
+    printf("ecp_util_load_pub RV:%d\n", rv);
 
+    ecp_node_init(&node, &node_pub, NULL);
+    rv = ecp_node_set_addr(&node, argv[2]);
+    printf("ecp_node_set_addr RV:%d\n", rv);
+
+    ecp_vlink_init(&conn, &sock);
     if (argc > 4) {
-        ecp_ecdh_public_t vconn_key[3];
+        ecp_ecdh_public_t vconn_pub[3];
 
         for (i=3; i<argc-1; i++) {
-            rv = ecp_util_load_pub(&vconn_key[i-3], argv[i]);
+            rv = ecp_util_load_pub(&vconn_pub[i-3], argv[i]);
             printf("ecp_util_load_pub RV:%d\n", rv);
         }
+        ecp_vconn_init(vconn, vconn_pub, argc-4, &sock);
 
-        rv = ecp_vconn_create(vconn, vconn_key, argc-4, &conn);
-        printf("ecp_vconn_create RV:%d\n", rv);
+        rv = ecp_vconn_open(vconn, &conn, &node);
+        printf("ecp_vconn_open RV:%d\n", rv);
+    } else {
+        rv = ecp_conn_open(&conn, &node);
+        printf("ecp_conn_open RV:%d\n", rv);
     }
 
-    rv = ecp_util_load_pub(&node_pub, argv[argc-1]);
-    printf("ecp_util_load_pub RV:%d\n", rv);
-
-    rv = ecp_node_init(&node, &node_pub, argv[2]);
-    printf("ecp_node_init RV:%d\n", rv);
-
-    rv = ecp_vconn_open(&conn, &node);
-    printf("ecp_vconn_open RV:%d\n", rv);
-
     while (1) sleep(1);
 }
diff --git a/ecp/test/vcs.c b/ecp/test/vcs.c
index c4beed7..92d1eb2 100644
--- a/ecp/test/vcs.c
+++ b/ecp/test/vcs.c
@@ -3,14 +3,18 @@
 #include <unistd.h>
 #include <stdio.h>
 
-#include <core.h>
-#include <vconn/vconn.h>
+#include <ecp/core.h>
+#include <ecp/vconn/vconn.h>
 
 #include <util.h>
 
+#include "init_vconn.h"
+
 ECPContext ctx;
 ECPSocket sock;
 ECPConnection conn;
+ECPConnHandler vconn_handler;
+ECPConnHandler vlink_handler;
 
 static void usage(char *arg) {
     fprintf(stderr, "Usage: %s <my addr> <my.priv> [ <node addr> <node.pub> ]\n", arg);
@@ -18,12 +22,13 @@ static void usage(char *arg) {
 }
 
 int main(int argc, char *argv[]) {
+    ecp_tr_addr_t addr;
     ECPDHKey key_perma;
     int rv;
 
     if ((argc < 3) || (argc > 5)) usage(argv[0]);
 
-    rv = ecp_init(&ctx);
+    rv = ecp_init(&ctx, &vconn_handler, &vlink_handler);
     printf("ecp_init RV:%d\n", rv);
 
     rv = ecp_util_load_key(&key_perma.public, &key_perma.private, argv[2]);
@@ -33,7 +38,10 @@ int main(int argc, char *argv[]) {
     rv = ecp_sock_create(&sock, &ctx, &key_perma);
     printf("ecp_sock_create RV:%d\n", rv);
 
-    rv = ecp_sock_open(&sock, argv[1]);
+    rv = ecp_addr_init(&addr, argv[1]);
+    printf("ecp_addr_init RV:%d\n", rv);
+
+    rv = ecp_sock_open(&sock, &addr);
     printf("ecp_sock_open RV:%d\n", rv);
 
     rv = ecp_start_receiver(&sock);
@@ -43,15 +51,14 @@ int main(int argc, char *argv[]) {
         ECPNode node;
         ecp_ecdh_public_t node_pub;
 
-        rv = ecp_vlink_create(&conn, &sock);
-        printf("ecp_vlink_create RV:%d\n", rv);
-
         rv = ecp_util_load_pub(&node_pub, argv[4]);
         printf("ecp_util_load_pub RV:%d\n", rv);
 
-        rv = ecp_node_init(&node, &node_pub, argv[3]);
-        printf("ecp_node_init RV:%d\n", rv);
+        ecp_node_init(&node, &node_pub, NULL);
+        rv = ecp_node_set_addr(&node, argv[3]);
+        printf("ecp_node_set_addr RV:%d\n", rv);
 
+        ecp_vlink_init(&conn, &sock);
         rv = ecp_conn_open(&conn, &node);
         printf("ecp_conn_open RV:%d\n", rv);
     }