fe310 platform introdiced

3 files changed, 0 insertions, 648 deletions

diff --git a/code/vconn/Makefile b/code/vconn/Makefile
deleted file mode 100644
index 0292b0d..0000000
--- a/code/vconn/Makefile
+++ /dev/null
@@ -1,13 +0,0 @@
-CFLAGS = -I../core -pthread -O3 $(PIC)
-
-obj = vconn.o
-
-
-%.o: %.c %.h
-	$(CC) $(CFLAGS) -c $<
-
-all: $(obj)
-	$(AR) rcs libecpvconn.a $(obj)
-
-clean:
-	rm -f *.o *.a
\ No newline at end of file
diff --git a/code/vconn/vconn.c b/code/vconn/vconn.c
deleted file mode 100644
index dadff0f..0000000
--- a/code/vconn/vconn.c
+++ /dev/null
@@ -1,613 +0,0 @@
-#include "core.h"
-#include "vconn.h"
-
-#include <string.h>
-
-#ifdef ECP_WITH_PTHREAD
-static pthread_mutex_t key_perma_mutex;
-static pthread_mutex_t key_next_mutex;
-#endif
-
-static void *key_perma_table;
-static void *key_next_table;
-    
-static unsigned char key_null[ECP_ECDH_SIZE_KEY] = { 0 };
-
-static ECPConnHandler handler_vc;
-static ECPConnHandler handler_vl;
-
-static int vconn_create(ECPConnection *conn, unsigned char *payload, size_t size) {
-    ECPContext *ctx = conn->sock->ctx;
-    ECPVConnIn *conn_v = (ECPVConnIn *)conn;
-    int rv = ECP_OK;
-    
-    if (conn->out) return ECP_ERR;
-    if (conn->type != ECP_CTYPE_VCONN) return ECP_ERR;
-    if (size < 2*ECP_ECDH_SIZE_KEY) return ECP_ERR;
-
-    conn_v->key_next_curr = 0;
-    memset(conn_v->key_next, 0, sizeof(conn_v->key_next));
-    memset(conn_v->key_out, 0, sizeof(conn_v->key_out));
-    memcpy(conn_v->key_next[conn_v->key_next_curr], payload, ECP_ECDH_SIZE_KEY);
-    memcpy(conn_v->key_out, payload+ECP_ECDH_SIZE_KEY, ECP_ECDH_SIZE_KEY);
-
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_lock(&key_next_mutex);
-#endif
-#ifdef ECP_WITH_HTABLE
-    rv = ctx->ht.init ? ctx->ht.insert(key_next_table, conn_v->key_next[conn_v->key_next_curr], conn) : ECP_ERR;
-#endif
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_unlock(&key_next_mutex);
-#endif
-    
-    return rv;
-}
-
-static void vconn_destroy(ECPConnection *conn) {
-    ECPContext *ctx = conn->sock->ctx;
-    ECPVConnIn *conn_v = (ECPVConnIn *)conn;
-
-    if (conn->out) return;
-    if (conn->type != ECP_CTYPE_VCONN) return;
-
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_lock(&key_next_mutex);
-    pthread_mutex_lock(&conn->mutex);
-#endif
-#ifdef ECP_WITH_HTABLE
-    if (ctx->ht.init) {
-        int i;
-        for (i=0; i<ECP_MAX_NODE_KEY; i++) {
-            if (memcmp(conn_v->key_next[i], key_null, ECP_ECDH_SIZE_KEY)) ctx->ht.remove(key_next_table, conn_v->key_next[i]);
-        }
-    }
-#endif
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_unlock(&conn->mutex);
-    pthread_mutex_unlock(&key_next_mutex);
-#endif
-}
-
-static ssize_t _vconn_send_open(ECPConnection *conn, ECPTimerItem *ti) {
-    ECPBuffer packet;
-    ECPBuffer payload;
-    unsigned char pkt_buf[ECP_SIZE_PKT_BUF(0, ECP_MTYPE_KGET_REQ, conn)];
-    unsigned char pld_buf[ECP_SIZE_PLD_BUF(0, ECP_MTYPE_KGET_REQ, conn)];
-    
-    packet.buffer = pkt_buf;
-    packet.size = ECP_SIZE_PKT_BUF(0, ECP_MTYPE_KGET_REQ, conn);
-    payload.buffer = pld_buf;
-    payload.size = ECP_SIZE_PLD_BUF(0, ECP_MTYPE_KGET_REQ, conn);
-
-    ecp_pld_set_type(pld_buf, ECP_MTYPE_KGET_REQ);
-    return ecp_pld_send_ll(conn, &packet, ECP_ECDH_IDX_PERMA, ECP_ECDH_IDX_INV, &payload, ECP_SIZE_PLD(0, ECP_MTYPE_KGET_REQ), ti);
-}
-
-static ssize_t vconn_open(ECPConnection *conn) {
-    int rv = ECP_OK;
-    ECPTimerItem ti;
-    ECPVConnection *conn_v = (ECPVConnection *)conn;
-    ECPConnection *conn_next = conn_v->next;
-
-    if (conn_next == NULL) return ECP_ERR;
-
-    ssize_t _rv = ecp_timer_send(conn_next, _vconn_send_open, ECP_MTYPE_KGET_REP, 3, 3000);
-    if (_rv < 0) return _rv;
-
-    return _rv;
-}
-
-static ssize_t vconn_handle_open(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) {
-    if (conn->type != ECP_CTYPE_VCONN) return ECP_ERR;
-
-    if (mtype & ECP_MTYPE_FLAG_REP) {
-        if (!conn->out) return ECP_ERR;
-        if (size < 0) {
-            ecp_conn_handler_msg_t *handler = NULL;
-            while (conn->type == ECP_CTYPE_VCONN) {
-                ECPVConnection *conn_v = (ECPVConnection *)conn;
-                conn = conn_v->next;
-            }
-            handler = conn->sock->ctx->handler[conn->type] ? conn->sock->ctx->handler[conn->type]->msg[ECP_MTYPE_OPEN] : NULL;
-            return handler ? handler(conn, seq, mtype, msg, size, b) : size;
-        }
-
-        return ecp_conn_handle_open(conn, seq, mtype, msg, size, b);
-    } else {
-        ECPContext *ctx = conn->sock->ctx;
-        ECPVConnIn *conn_v = (ECPVConnIn *)conn;
-        int rv = ECP_OK;
-        unsigned char ctype = 0;
-
-        if (conn->out) return ECP_ERR;
-        if (size < 0) return size;
-        if (size < 1+2*ECP_ECDH_SIZE_KEY) return ECP_ERR;
-
-#ifdef ECP_WITH_PTHREAD
-        pthread_mutex_lock(&key_next_mutex);
-        pthread_mutex_lock(&conn->mutex);
-#endif
-
-        ctype = msg[0];
-        msg++;
-
-        if (!ecp_conn_is_open(conn)) conn->flags |= ECP_CONN_FLAG_OPEN;
-        if (memcmp(conn_v->key_next[conn_v->key_next_curr], msg, ECP_ECDH_SIZE_KEY)) {
-            conn_v->key_next_curr = (conn_v->key_next_curr + 1) % ECP_MAX_NODE_KEY;
-#ifdef ECP_WITH_HTABLE
-            if (ctx->ht.init) {
-                if (memcmp(conn_v->key_next[conn_v->key_next_curr], key_null, ECP_ECDH_SIZE_KEY)) ctx->ht.remove(key_next_table, conn_v->key_next[conn_v->key_next_curr]);
-                rv = ctx->ht.insert(key_next_table, conn_v->key_next[conn_v->key_next_curr], conn);
-            } else {
-                rv = ECP_ERR;
-            }
-#endif
-            if (!rv) memcpy(conn_v->key_next[conn_v->key_next_curr], msg, ECP_ECDH_SIZE_KEY);
-        }
-
-#ifdef ECP_WITH_PTHREAD
-        pthread_mutex_unlock(&conn->mutex);
-        pthread_mutex_unlock(&key_next_mutex);
-#endif
-    
-        if (rv) return rv;
-
-        return 1+2*ECP_ECDH_SIZE_KEY;
-    }
-
-    return ECP_ERR;
-}
-
-static ssize_t vconn_handle_relay(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) {
-    ECPContext *ctx = conn->sock->ctx;
-    ECPConnection *conn_out = NULL;
-    ECPVConnIn *conn_v = (ECPVConnIn *)conn;
-    ssize_t rv;
-
-    if (conn->out) return ECP_ERR;
-    if (conn->type != ECP_CTYPE_VCONN) return ECP_ERR;
-    if (b == NULL) return ECP_ERR;
-    
-    if (size < 0) return size;
-    if (size < ECP_MIN_PKT) return ECP_ERR_MIN_PKT;
-
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_lock(&key_perma_mutex);
-#endif
-#ifdef ECP_WITH_HTABLE
-    conn_out = ctx->ht.init ? ctx->ht.search(key_perma_table, conn_v->key_out) : NULL;
-#endif
-    if (conn_out) {
-#ifdef ECP_WITH_PTHREAD
-        pthread_mutex_lock(&conn_out->mutex);
-#endif
-        conn_out->refcount++;
-#ifdef ECP_WITH_PTHREAD
-        pthread_mutex_unlock(&conn_out->mutex);
-#endif
-    }
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_unlock(&key_perma_mutex);
-#endif
-
-    if (conn_out == NULL) return ECP_ERR;
-    
-    ECPBuffer payload;
-    payload.buffer = msg - ECP_SIZE_PLD_HDR - 1;
-    payload.size = b->payload->size - (payload.buffer - b->payload->buffer);
-
-    ecp_pld_set_type(payload.buffer, ECP_MTYPE_EXEC);
-    rv = ecp_pld_send(conn_out, b->packet, &payload, ECP_SIZE_PLD_HDR+1+size);
-
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_lock(&conn_out->mutex);
-#endif
-    conn_out->refcount--;
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_unlock(&conn_out->mutex);
-#endif
-
-    if (rv < 0) return rv;
-    return size;
-}
-
-static int vlink_insert(ECPConnection *conn) {
-    int rv = ECP_OK;
-    ECPContext *ctx = conn->sock->ctx;
-    
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_lock(&key_perma_mutex);
-#endif
-#ifdef ECP_WITH_HTABLE
-    rv = ctx->ht.init ? ctx->ht.insert(key_perma_table, ctx->cr.dh_pub_get_buf(&conn->node.public), conn) : ECP_OK;
-#endif
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_unlock(&key_perma_mutex);
-#endif
-
-    return rv;
-}
-
-static void vlink_remove(ECPConnection *conn) {
-    ECPContext *ctx = conn->sock->ctx;
-    
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_lock(&key_perma_mutex);
-#endif
-#ifdef ECP_WITH_HTABLE
-    if (ctx->ht.init) ctx->ht.remove(key_perma_table, ctx->cr.dh_pub_get_buf(&conn->node.public));
-#endif
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_unlock(&key_perma_mutex);
-#endif
-}
-
-static int vlink_create(ECPConnection *conn, unsigned char *payload, size_t size) {
-    ECPContext *ctx = conn->sock->ctx;
-    
-    if (conn->out) return ECP_ERR;
-    if (conn->type != ECP_CTYPE_VLINK) return ECP_ERR;
-
-    // XXX should verify perma_key
-    if (size < ECP_ECDH_SIZE_KEY) return ECP_ERR;
-    ctx->cr.dh_pub_from_buf(&conn->node.public, payload);
-
-    return vlink_insert(conn);
-}
-
-static void vlink_destroy(ECPConnection *conn) {
-    ECPContext *ctx = conn->sock->ctx;
-
-    if (conn->out) return;
-    if (conn->type != ECP_CTYPE_VLINK) return;
-
-    vlink_remove(conn);
-}
-
-static ssize_t _vlink_send_open(ECPConnection *conn, ECPTimerItem *ti) {
-    ECPSocket *sock = conn->sock;
-    ECPContext *ctx = sock->ctx;
-
-    ECPBuffer packet;
-    ECPBuffer payload;
-    unsigned char pkt_buf[ECP_SIZE_PKT_BUF(ECP_ECDH_SIZE_KEY+1, ECP_MTYPE_OPEN_REQ, conn)];
-    unsigned char pld_buf[ECP_SIZE_PLD_BUF(ECP_ECDH_SIZE_KEY+1, ECP_MTYPE_OPEN_REQ, conn)];
-    unsigned char *buf = ecp_pld_get_buf(pld_buf, ECP_MTYPE_OPEN_REQ);
-    int rv = ECP_OK;
-    
-    packet.buffer = pkt_buf;
-    packet.size = ECP_SIZE_PKT_BUF(ECP_ECDH_SIZE_KEY+1, ECP_MTYPE_OPEN_REQ, conn);
-    payload.buffer = pld_buf;
-    payload.size = ECP_SIZE_PLD_BUF(ECP_ECDH_SIZE_KEY+1, ECP_MTYPE_OPEN_REQ, conn);
-
-    // XXX server should verify perma_key
-    ecp_pld_set_type(pld_buf, ECP_MTYPE_OPEN_REQ);
-    buf[0] = conn->type;
-    memcpy(buf+1, ctx->cr.dh_pub_get_buf(&sock->key_perma.public), ECP_ECDH_SIZE_KEY);
-
-    return ecp_pld_send_wtimer(conn, &packet, &payload, ECP_SIZE_PLD(ECP_ECDH_SIZE_KEY+1, ECP_MTYPE_OPEN_REQ), ti);
-}
-
-static ssize_t vlink_open(ECPConnection *conn) {
-    return ecp_timer_send(conn, _vlink_send_open, ECP_MTYPE_OPEN_REP, 3, 500);
-}
-
-static void vlink_close(ECPConnection *conn) {
-    vlink_remove(conn);
-}
-
-static ssize_t vlink_handle_open(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) {
-    ssize_t rv;
-    int is_open;
-    
-    if (conn->type != ECP_CTYPE_VLINK) return ECP_ERR;
-
-    if (size < 0) return size;
-    
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_lock(&conn->mutex);
-#endif
-    is_open = ecp_conn_is_open(conn);
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_unlock(&conn->mutex);
-#endif
-
-    rv = ecp_conn_handle_open(conn, seq, mtype, msg, size, b);
-    if (rv < 0) return rv;
-
-    if (mtype & ECP_MTYPE_FLAG_REP) {
-        if (!conn->out) return ECP_ERR;
-        if (!is_open) {
-            int rv = vlink_insert(conn);
-            if (rv) return rv;
-        }
-        return rv;
-    } else {
-        if (conn->out) return ECP_ERR;
-        if (size < rv+ECP_ECDH_SIZE_KEY) return ECP_ERR;
-
-        msg += rv;
-
-        // XXX should verify perma_key
-        return rv+ECP_ECDH_SIZE_KEY;
-    }
-
-    return ECP_ERR;
-}
-
-static ssize_t vlink_handle_relay(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) {
-    ECPContext *ctx = conn->sock->ctx;
-    ssize_t rv;
-
-    if (conn->type != ECP_CTYPE_VLINK) return ECP_ERR;
-    if (b == NULL) return ECP_ERR;
-
-    if (size < 0) return size;
-    if (size < ECP_MIN_PKT) return ECP_ERR_MIN_PKT;
-
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_lock(&key_next_mutex);
-#endif
-#ifdef ECP_WITH_HTABLE
-    conn = ctx->ht.init ? ctx->ht.search(key_next_table, msg+ECP_SIZE_PROTO+1) : NULL;
-#endif
-    if (conn) {
-#ifdef ECP_WITH_PTHREAD
-        pthread_mutex_lock(&conn->mutex);
-#endif
-        conn->refcount++;
-#ifdef ECP_WITH_PTHREAD
-        pthread_mutex_unlock(&conn->mutex);
-#endif
-    }
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_unlock(&key_next_mutex);
-#endif
-
-    if (conn == NULL) return ECP_ERR;
-
-    ECPBuffer payload;
-    payload.buffer = msg - ECP_SIZE_PLD_HDR - 1;
-    payload.size = b->payload->size - (payload.buffer - b->payload->buffer);
-
-    ecp_pld_set_type(payload.buffer, ECP_MTYPE_EXEC);
-    rv = ecp_pld_send(conn, b->packet, &payload, ECP_SIZE_PLD_HDR+1+size);
-
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_lock(&conn->mutex);
-#endif
-    conn->refcount--;
-#ifdef ECP_WITH_PTHREAD
-    pthread_mutex_unlock(&conn->mutex);
-#endif
-
-    if (rv < 0) return rv;
-    return size;
-}
-
-static ssize_t vconn_set_msg(ECPConnection *conn, ECPBuffer *payload, unsigned char mtype) {
-    if (conn->out && (conn->type == ECP_CTYPE_VCONN) && ((mtype == ECP_MTYPE_OPEN_REQ) || (mtype == ECP_MTYPE_KGET_REQ))) {
-        ECPVConnection *conn_v = (ECPVConnection *)conn;
-        ECPContext *ctx = conn->sock->ctx;
-        ECPConnection *conn_next = conn_v->next;
-        unsigned char *buf = NULL;
-        int rv;
-
-        if (payload->size < ECP_SIZE_PLD_HDR + 3 + 2 * ECP_ECDH_SIZE_KEY) return ECP_ERR;
-        if (conn_next == NULL) return ECP_ERR;
-
-        ecp_pld_set_type(payload->buffer, ECP_MTYPE_OPEN_REQ);
-        buf = ecp_pld_get_buf(payload->buffer, 0);
-
-        buf[0] = ECP_CTYPE_VCONN;
-        rv = ecp_conn_dhkey_get_curr(conn_next, NULL, buf+1);
-        if (rv) return rv;
-
-        memcpy(buf+1+ECP_ECDH_SIZE_KEY, ctx->cr.dh_pub_get_buf(&conn_next->node.public), ECP_ECDH_SIZE_KEY);
-        buf[1+2*ECP_ECDH_SIZE_KEY] = ECP_MTYPE_RELAY;
-
-        return ECP_SIZE_PLD_HDR + 3 + 2 * ECP_ECDH_SIZE_KEY;
-    } else {
-        if (payload->size < ECP_SIZE_PLD_HDR + 1) return ECP_ERR;
-
-        ecp_pld_set_type(payload->buffer, ECP_MTYPE_RELAY);
-
-        return ECP_SIZE_PLD_HDR + 1;
-    }
-
-}
-
-/* Memory limited version: */
-static ssize_t vconn_pack(ECPConnection *conn, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ECPBuffer *payload, size_t pld_size, ECPSeqItem *si, ECPNetAddr *addr) {
-    ECPContext *ctx = conn->sock->ctx;
-
-    if (conn->parent) {
-        unsigned char mtype = ecp_pld_get_type(payload->buffer);
-        ssize_t rv, hdr_size = vconn_set_msg(conn->parent, packet, mtype);
-        if (hdr_size < 0) return hdr_size;
-
-        rv = ecp_conn_pack(conn, packet->buffer+hdr_size, packet->size-hdr_size, s_idx, c_idx, payload->buffer, pld_size, si, NULL);
-        if (rv < 0) return rv;
-
-        if (payload->size < rv+hdr_size) return ECP_ERR;
-        memcpy(payload->buffer, packet->buffer, rv+hdr_size);
-
-        return vconn_pack(conn->parent, packet, ECP_ECDH_IDX_INV, ECP_ECDH_IDX_INV, payload, rv+hdr_size, NULL, addr);
-    } else {
-        return ecp_conn_pack(conn, packet->buffer, packet->size, s_idx, c_idx, payload->buffer, pld_size, si, addr);
-    }
-}
-
-static ssize_t vconn_pack_raw(ECPSocket *sock, ECPConnection *parent, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ecp_dh_public_t *public, ecp_aead_key_t *shsec, unsigned char *nonce, ecp_seq_t seq, ECPBuffer *payload, size_t pld_size, ECPNetAddr *addr) {
-    ECPContext *ctx = sock->ctx;
-
-    if (parent) {
-        unsigned char mtype = ecp_pld_get_type(payload->buffer);
-        ssize_t rv, hdr_size = vconn_set_msg(parent, packet, mtype);
-        if (hdr_size < 0) return hdr_size;
-
-        rv = ecp_pack(ctx, packet->buffer+hdr_size, packet->size-hdr_size, s_idx, c_idx, public, shsec, nonce, seq, payload->buffer, pld_size);
-        if (rv < 0) return rv;
-
-        if (payload->size < rv+hdr_size) return ECP_ERR;
-        memcpy(payload->buffer, packet->buffer, rv+hdr_size);
-
-        return vconn_pack(parent, packet, ECP_ECDH_IDX_INV, ECP_ECDH_IDX_INV, payload, rv+hdr_size, NULL, addr);
-    } else {
-        return ecp_pack(ctx, packet->buffer, packet->size, s_idx, c_idx, public, shsec, nonce, seq, payload->buffer, pld_size);
-    }
-}
-
-/* Non memory limited version: */
-/*
-static ssize_t vconn_pack(ECPConnection *conn, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ECPBuffer *payload, size_t pld_size, ECPSeqItem *si, ECPNetAddr *addr) {
-    ECPContext *ctx = conn->sock->ctx;
-
-    if (conn->parent) {
-        ECPBuffer payload_;
-        unsigned char pld_buf[ECP_MAX_PLD];
-        
-        payload_.buffer = pld_buf;
-        payload_.size = ECP_MAX_PLD;
-        
-        unsigned char mtype = ecp_pld_get_type(payload->buffer);
-        ssize_t rv, hdr_size = vconn_set_msg(conn->parent, &payload_, mtype);
-        if (hdr_size < 0) return hdr_size;
-
-        rv = ecp_conn_pack(conn, payload_.buffer+hdr_size, payload_.size-hdr_size, s_idx, c_idx, payload->buffer, pld_size, si, NULL);
-        if (rv < 0) return rv;
-
-        return vconn_pack(conn->parent, packet, ECP_ECDH_IDX_INV, ECP_ECDH_IDX_INV, &payload_, rv+hdr_size, NULL, addr);
-    } else {
-        return ecp_conn_pack(conn, packet->buffer, packet->size, s_idx, c_idx, payload->buffer, pld_size, si, addr);
-    }
-}
-
-static ssize_t vconn_pack_raw(ECPSocket *sock, ECPConnection *parent, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ecp_dh_public_t *public, ecp_aead_key_t *shsec, unsigned char *nonce, ecp_seq_t seq, ECPBuffer *payload, size_t pld_size, ECPNetAddr *addr) {
-    ECPContext *ctx = sock->ctx;
-
-    if (parent) {
-        ECPBuffer payload_;
-        unsigned char pld_buf[ECP_MAX_PLD];
-        
-        payload_.buffer = pld_buf;
-        payload_.size = ECP_MAX_PLD;
-
-        unsigned char mtype = ecp_pld_get_type(payload->buffer);
-        ssize_t rv, hdr_size = vconn_set_msg(parent, &payload_, mtype);
-        if (hdr_size < 0) return hdr_size;
-
-        rv = ecp_pack(ctx, payload_.buffer+hdr_size, payload_.size-hdr_size, s_idx, c_idx, public, shsec, nonce, seq, payload->buffer, pld_size);
-        if (rv < 0) return rv;
-
-        return vconn_pack(parent, packet, ECP_ECDH_IDX_INV, ECP_ECDH_IDX_INV, &payload_, rv+hdr_size, NULL, addr);
-    } else {
-        return ecp_pack(ctx, packet->buffer, packet->size, s_idx, c_idx, public, shsec, nonce, seq, payload->buffer, pld_size);
-    }
-}
-*/
-
-int ecp_ctx_vconn_init(ECPContext *ctx) {
-    int rv;
-    
-    rv = ecp_conn_handler_init(&handler_vc);
-    if (rv) return rv;
-    
-    handler_vc.conn_create = vconn_create;
-    handler_vc.conn_destroy = vconn_destroy;
-    handler_vc.conn_open = vconn_open;
-    handler_vc.msg[ECP_MTYPE_OPEN] = vconn_handle_open;
-    handler_vc.msg[ECP_MTYPE_EXEC] = ecp_conn_handle_exec;
-    handler_vc.msg[ECP_MTYPE_RELAY] = vconn_handle_relay;
-    ctx->handler[ECP_CTYPE_VCONN] = &handler_vc;
-
-    rv = ecp_conn_handler_init(&handler_vl);
-    if (rv) return rv;
-
-    handler_vl.conn_create = vlink_create;
-    handler_vl.conn_destroy = vlink_destroy;
-    handler_vl.conn_open = vlink_open;
-    handler_vl.conn_close = vlink_close;
-    handler_vl.msg[ECP_MTYPE_OPEN] = vlink_handle_open;
-    handler_vl.msg[ECP_MTYPE_EXEC] = ecp_conn_handle_exec;
-    handler_vl.msg[ECP_MTYPE_RELAY] = vlink_handle_relay;
-    ctx->handler[ECP_CTYPE_VLINK] = &handler_vl;
-
-    ctx->pack = vconn_pack;
-    ctx->pack_raw = vconn_pack_raw;
-
-#ifdef ECP_WITH_PTHREAD
-    rv = pthread_mutex_init(&key_perma_mutex, NULL);
-    if (!rv) pthread_mutex_init(&key_next_mutex, NULL);
-    if (rv) return ECP_ERR;
-#endif
-
-#ifdef ECP_WITH_HTABLE
-    if (ctx->ht.init) {
-        key_perma_table = ctx->ht.create(ctx);
-        key_next_table = ctx->ht.create(ctx);
-        if ((key_perma_table == NULL) || (key_next_table == NULL)) return ECP_ERR;
-    }
-#endif
-    
-    return ECP_OK;
-}
-
-int ecp_vconn_init(ECPConnection *conn, ECPNode *conn_node, ECPVConnection vconn[], ECPNode vconn_node[], int size) {
-    ECPSocket *sock = conn->sock;
-    int i, rv;
-    
-    rv = ecp_conn_init(conn, conn_node);
-    if (rv) return rv;
-
-    conn->parent = (ECPConnection *)&vconn[size-1];
-    conn->pcount = size;
-    for (i=0; i<size; i++) {
-        rv = ecp_conn_create((ECPConnection *)&vconn[i], sock, ECP_CTYPE_VCONN);
-        if (rv) return rv;
-
-        rv = ecp_conn_init((ECPConnection *)&vconn[i], &vconn_node[i]);
-        if (rv) return rv;
-
-        if (i == 0) {
-            vconn[i].b.parent = NULL;
-        } else {
-            vconn[i].b.parent = (ECPConnection *)&vconn[i-1];
-        }
-        vconn[i].b.pcount = i;
-
-        if (i == size - 1) {
-            vconn[i].next = conn;
-        } else {
-            vconn[i].next = (ECPConnection *)&vconn[i+1];
-        }
-    }
-    
-    return ECP_OK;
-}
-
-static ssize_t _vconn_send_kget(ECPConnection *conn, ECPTimerItem *ti) {
-    ECPBuffer packet;
-    ECPBuffer payload;
-    unsigned char pkt_buf[ECP_SIZE_PKT_BUF(0, ECP_MTYPE_KGET_REQ, conn)];
-    unsigned char pld_buf[ECP_SIZE_PLD_BUF(0, ECP_MTYPE_KGET_REQ, conn)];
-    
-    packet.buffer = pkt_buf;
-    packet.size = ECP_SIZE_PKT_BUF(0, ECP_MTYPE_KGET_REQ, conn);
-    payload.buffer = pld_buf;
-    payload.size = ECP_SIZE_PLD_BUF(0, ECP_MTYPE_KGET_REQ, conn);
-
-    ecp_pld_set_type(pld_buf, ECP_MTYPE_KGET_REQ);
-    return ecp_pld_send_ll(conn, &packet, ECP_ECDH_IDX_PERMA, ECP_ECDH_IDX_INV, &payload, ECP_SIZE_PLD(0, ECP_MTYPE_KGET_REQ), ti);
-}
-
-int ecp_vconn_open(ECPConnection *conn, ECPNode *conn_node, ECPVConnection vconn[], ECPNode vconn_node[], int size) {
-    int rv = ecp_vconn_init(conn, conn_node, vconn, vconn_node, size);
-    if (rv) return rv;
-
-    ssize_t _rv = ecp_timer_send((ECPConnection *)&vconn[0], _vconn_send_kget, ECP_MTYPE_KGET_REP, 3, 500);
-    if (_rv < 0) return _rv;
-    
-    return ECP_OK;
-}
\ No newline at end of file
diff --git a/code/vconn/vconn.h b/code/vconn/vconn.h
deleted file mode 100644
index 07832c7..0000000
--- a/code/vconn/vconn.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#define ECP_CTYPE_VCONN     1
-#define ECP_CTYPE_VLINK     2
-
-#define ECP_MTYPE_RELAY     0x08
-#define ECP_MTYPE_EXEC      0x09
-
-typedef struct ECPVConnection {
-    ECPConnection b;
-    ECPConnection *next;
-} ECPVConnection;
-
-typedef struct ECPVConnIn {
-    ECPConnection b;
-    unsigned char key_next[ECP_MAX_NODE_KEY][ECP_ECDH_SIZE_KEY];
-    unsigned char key_next_curr;
-    unsigned char key_out[ECP_ECDH_SIZE_KEY];
-} ECPVConnIn;
-
-int ecp_ctx_vconn_init(ECPContext *ctx);
-
-int ecp_vconn_init(ECPConnection *conn, ECPNode *conn_node, ECPVConnection vconn[], ECPNode vconn_node[], int size);
-int ecp_vconn_open(ECPConnection *conn, ECPNode *conn_node, ECPVConnection vconn[], ECPNode vconn_node[], int size);