diff options
Diffstat (limited to 'ecp/src/vconn/vconn.c')
| -rw-r--r-- | ecp/src/vconn/vconn.c | 691 |
1 files changed, 0 insertions, 691 deletions
diff --git a/ecp/src/vconn/vconn.c b/ecp/src/vconn/vconn.c deleted file mode 100644 index d3eec44..0000000 --- a/ecp/src/vconn/vconn.c +++ /dev/null @@ -1,691 +0,0 @@ -#include <core.h> - -#ifdef ECP_WITH_HTABLE -#include <ht.h> -#endif -#include <cr.h> - -#include "vconn.h" - -#ifdef ECP_WITH_HTABLE -static void *key_perma_table; -static void *key_next_table; -#ifdef ECP_WITH_PTHREAD -static pthread_mutex_t key_perma_mutex; -static pthread_mutex_t key_next_mutex; -#endif -#endif - -static ECPConnHandler handler_vc; -static ECPConnHandler handler_vl; - -#ifdef ECP_WITH_HTABLE - -static int key_is_null(unsigned char *key) { - int i; - - for (i=0; i<ECP_ECDH_SIZE_KEY; i++) { - if (key[i] != 0) return 0; - } - return 1; -} - -static void vconn_remove(ECPConnection *conn) { - ECPVConnIn *conn_v = (ECPVConnIn *)conn; - int i; - - if (conn->type != ECP_CTYPE_VCONN) return; - if (ecp_conn_is_outb(conn)) return; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_next_mutex); - pthread_mutex_lock(&conn->mutex); -#endif - for (i=0; i<ECP_MAX_NODE_KEY; i++) { - if (!key_is_null(conn_v->key_next[i])) ecp_ht_remove(key_next_table, conn_v->key_next[i]); - } -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&conn->mutex); - pthread_mutex_unlock(&key_next_mutex); -#endif -} - -#endif /* ECP_WITH_HTABLE */ - -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(payload.buffer, payload.size, ECP_MTYPE_KGET_REQ); - return _ecp_pld_send(conn, &packet, ECP_ECDH_IDX_PERMA, ECP_ECDH_IDX_INV, &payload, ECP_SIZE_PLD(0, ECP_MTYPE_KGET_REQ), 0, ti); -} - -static ssize_t vconn_send_open(ECPConnection *conn) { - ECPTimerItem ti; - ECPVConnOut *conn_v = (ECPVConnOut *)conn; - ECPConnection *conn_next; - ssize_t rv; - - if (conn->type != ECP_CTYPE_VCONN) return ECP_ERR; - if (ecp_conn_is_inb(conn)) return ECP_ERR; - - conn_next = conn_v->next; - if (conn_next == NULL) return ECP_ERR; - - rv = ecp_timer_send(conn_next, _vconn_send_open, ECP_MTYPE_KGET_REP, 3, 1000); - if (rv < 0) return rv; - - return rv; -} - -static ssize_t vconn_handle_kget(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) { - return _ecp_conn_handle_kget(conn, seq, mtype, msg, size, b, vconn_send_open); -} - -static ssize_t vconn_handle_open(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) { - ssize_t rv; - int _rv; - - if (conn->type != ECP_CTYPE_VCONN) return ECP_ERR; - - if (mtype & ECP_MTYPE_FLAG_REP) { - if (ecp_conn_is_inb(conn)) return ECP_ERR; - if (size < 0) { - ecp_conn_msg_handler_t handler; - while (conn && (conn->type == ECP_CTYPE_VCONN)) { - ECPVConnOut *conn_v = (ECPVConnOut *)conn; - conn = conn_v->next; - } - if (conn) handler = ecp_conn_get_msg_handler(conn, ECP_MTYPE_OPEN); - return handler ? handler(conn, seq, mtype, msg, size, b) : size; - } - - rv = ecp_conn_handle_open(conn, seq, mtype, msg, size, b); - } else { - -#ifdef ECP_WITH_HTABLE - - ECPVConnIn *conn_v = (ECPVConnIn *)conn; - unsigned char ctype; - int is_new, do_ins; - - if (ecp_conn_is_outb(conn)) return ECP_ERR; - if (size < 0) return size; - if (size < 1+2*ECP_ECDH_SIZE_KEY) return ECP_ERR; - - ctype = msg[0]; - msg++; - - is_new = ecp_conn_is_new(conn); - do_ins = 0; - if (is_new) { - 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], msg, ECP_ECDH_SIZE_KEY); - memcpy(conn_v->key_out, msg+ECP_ECDH_SIZE_KEY, ECP_ECDH_SIZE_KEY); - do_ins = 1; - - _rv = ecp_conn_insert(conn); - if (_rv) return rv; - } - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_next_mutex); - pthread_mutex_lock(&conn->mutex); -#endif - - _rv = ECP_OK; - if (!is_new && 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; - if (!key_is_null(conn_v->key_next[conn_v->key_next_curr])) ecp_ht_remove(key_next_table, conn_v->key_next[conn_v->key_next_curr]); - memcpy(conn_v->key_next[conn_v->key_next_curr], msg, ECP_ECDH_SIZE_KEY); - do_ins = 1; - } - if (do_ins) _rv = ecp_ht_insert(key_next_table, conn_v->key_next[conn_v->key_next_curr], conn); - if (!_rv && !ecp_conn_is_open(conn)) ecp_conn_set_open(conn); - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&conn->mutex); - pthread_mutex_unlock(&key_next_mutex); -#endif - - if (_rv) { - ecp_conn_close(conn); - return _rv; - } - - rv = 1+2*ECP_ECDH_SIZE_KEY; - -#else /* ECP_WITH_HTABLE */ - - ecp_conn_close(conn); - rv = ECP_ERR_NOT_IMPLEMENTED; - -#endif /* ECP_WITH_HTABLE */ - - } - - return rv; -} - -#ifdef ECP_WITH_HTABLE -static ssize_t vconn_handle_relay(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) { - ECPBuffer payload; - ECPConnection *conn_out = NULL; - ECPVConnIn *conn_v = (ECPVConnIn *)conn; - ssize_t rv; - - if (conn->type != ECP_CTYPE_VCONN) return ECP_ERR; - if (ecp_conn_is_outb(conn)) return ECP_ERR; - if (b == NULL) return ECP_ERR; - - if (size < 0) return size; - if (size < ECP_MIN_PKT) return ECP_ERR; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_perma_mutex); -#endif - conn_out = ecp_ht_search(key_perma_table, conn_v->key_out); - if (conn_out) { - ecp_conn_refcount_inc(conn_out); - } -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&key_perma_mutex); -#endif - - if (conn_out == NULL) return ECP_ERR; - - payload.buffer = msg - ECP_SIZE_PLD_HDR - 1; - payload.size = b->payload->size - (payload.buffer - b->payload->buffer); - - ecp_pld_set_type(payload.buffer, payload.size, ECP_MTYPE_EXEC); - rv = ecp_pld_send(conn_out, b->packet, &payload, ECP_SIZE_PLD_HDR+1+size, ECP_SEND_FLAG_REPLY); - - ecp_conn_refcount_dec(conn_out); - - if (rv < 0) return rv; - return size; -} - -static int vlink_insert(ECPConnection *conn) { - int rv; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_perma_mutex); -#endif - rv = ecp_ht_insert(key_perma_table, ecp_cr_dh_pub_get_buf(&conn->node.public), conn); -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&key_perma_mutex); -#endif - - return rv; -} - -static void vlink_remove(ECPConnection *conn) { -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_perma_mutex); -#endif - ecp_ht_remove(key_perma_table, ecp_cr_dh_pub_get_buf(&conn->node.public)); -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&key_perma_mutex); -#endif -} - -#endif /* ECP_WITH_HTABLE */ - -static ssize_t _vlink_send_open(ECPConnection *conn, ECPTimerItem *ti) { - ECPSocket *sock = conn->sock; - 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; - - 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(payload.buffer, payload.size, ECP_MTYPE_OPEN_REQ); - buf = ecp_pld_get_buf(payload.buffer, payload.size); - buf[0] = conn->type; - memcpy(buf+1, ecp_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), 0, ti); -} - -static ssize_t vlink_send_open(ECPConnection *conn) { - return ecp_timer_send(conn, _vlink_send_open, ECP_MTYPE_OPEN_REP, 3, 500); -} - -static ssize_t vlink_handle_kget(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) { - return _ecp_conn_handle_kget(conn, seq, mtype, msg, size, b, vlink_send_open); -} - -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 _rv; - int is_open; - - if (conn->type != ECP_CTYPE_VLINK) return ECP_ERR; - - if (size < 0) return size; - - if (ecp_conn_is_new(conn) && (size >= 1+ECP_ECDH_SIZE_KEY)) { - // XXX we should verify perma_key - ecp_cr_dh_pub_from_buf(&conn->node.public, msg+1); - } - - rv = _ecp_conn_handle_open(conn, seq, mtype, msg, size, b, &is_open); - if (rv < 0) return rv; - - if (mtype & ECP_MTYPE_FLAG_REP) { - -#ifdef ECP_WITH_HTABLE - - if (!is_open) { - _rv = vlink_insert(conn); - if (_rv) return _rv; - } - -#endif /* ECP_WITH_HTABLE */ - - } else { - if (size < rv+ECP_ECDH_SIZE_KEY) return ECP_ERR; - -#ifdef ECP_WITH_HTABLE - - msg += rv; - - if (!is_open) { - _rv = vlink_insert(conn); - if (_rv) { - ecp_conn_close(conn); - return _rv; - } - } - - rv = rv+ECP_ECDH_SIZE_KEY; - -#else /* ECP_WITH_HTABLE */ - - ecp_conn_close(conn); - rv = ECP_ERR_NOT_IMPLEMENTED; - -#endif /* ECP_WITH_HTABLE */ - - } - - return rv; -} - -#ifdef ECP_WITH_HTABLE -static ssize_t vlink_handle_relay(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) { - ECPBuffer payload; - 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; - -#ifdef ECP_WITH_PTHREAD - pthread_mutex_lock(&key_next_mutex); -#endif - conn = ecp_ht_search(key_next_table, msg+ECP_SIZE_PROTO+1); - if (conn) { - ecp_conn_refcount_inc(conn); - } -#ifdef ECP_WITH_PTHREAD - pthread_mutex_unlock(&key_next_mutex); -#endif - - if (conn == NULL) return ECP_ERR; - - payload.buffer = msg - ECP_SIZE_PLD_HDR - 1; - payload.size = b->payload->size - (payload.buffer - b->payload->buffer); - - ecp_pld_set_type(payload.buffer, payload.size, ECP_MTYPE_EXEC); - rv = ecp_pld_send(conn, b->packet, &payload, ECP_SIZE_PLD_HDR+1+size, ECP_SEND_FLAG_REPLY); - - ecp_conn_refcount_dec(conn); - - if (rv < 0) return rv; - return size; -} -#endif /* ECP_WITH_HTABLE */ - -#ifdef ECP_MEM_TINY -/* Memory limited version */ - -static ssize_t vconn_handle_exec(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) { - if (size < 0) return size; - if (b == NULL) return ECP_ERR; - if (b->packet->buffer == NULL) return ECP_ERR; - - memcpy(b->packet->buffer, msg, size); - return ecp_pkt_handle(conn->sock, NULL, conn, b, size); -} - -#else - -static ssize_t vconn_handle_exec(ECPConnection *conn, ecp_seq_t seq, unsigned char mtype, unsigned char *msg, ssize_t size, ECP2Buffer *b) { - if (size < 0) return size; - if (b == NULL) return ECP_ERR; - - ECP2Buffer b2; - ECPBuffer packet; - ECPBuffer payload; - unsigned char pld_buf[ECP_MAX_PLD]; - - b2.packet = &packet; - b2.payload = &payload; - - packet.buffer = msg; - packet.size = b->payload->size - (msg - b->payload->buffer); - payload.buffer = pld_buf; - payload.size = ECP_MAX_PLD; - - return ecp_pkt_handle(conn->sock, NULL, conn, &b2, size); -} - -#endif - -static ssize_t vconn_set_msg(ECPConnection *conn, ECPBuffer *payload, unsigned char mtype) { - if (ecp_conn_is_outb(conn) && (conn->type == ECP_CTYPE_VCONN) && ((mtype == ECP_MTYPE_OPEN_REQ) || (mtype == ECP_MTYPE_KGET_REQ))) { - ECPVConnOut *conn_v = (ECPVConnOut *)conn; - 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, payload->size, ECP_MTYPE_OPEN_REQ); - buf = ecp_pld_get_buf(payload->buffer, payload->size); - - 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, ecp_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, payload->size, ECP_MTYPE_RELAY); - - return ECP_SIZE_PLD_HDR + 1; - } - -} - -#ifdef ECP_MEM_TINY -/* Memory limited version */ - -ssize_t ecp_pack(ECPContext *ctx, ECPConnection *parent, ECPBuffer *packet, ECPPktMeta *pkt_meta, ECPBuffer *payload, size_t pld_size, ECPNetAddr *addr) { - if ((packet == NULL) || (packet->buffer == NULL)) return ECP_ERR; - if ((payload == NULL) || (payload->buffer == NULL)) return ECP_ERR; - - if (parent) { - unsigned char mtype; - ssize_t rv, hdr_size; - int _rv; - - _rv = ecp_pld_get_type(payload->buffer, payload->size, &mtype); - if (_rv) return _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, pkt_meta, 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 ecp_pack_conn(parent, packet, ECP_ECDH_IDX_INV, ECP_ECDH_IDX_INV, payload, rv+hdr_size, addr, NULL); - } else { - return _ecp_pack(ctx, packet->buffer, packet->size, pkt_meta, payload->buffer, pld_size); - } -} - -#else - -ssize_t ecp_pack(ECPContext *ctx, ECPConnection *parent, ECPBuffer *packet, ECPPktMeta *pkt_meta, ECPBuffer *payload, size_t pld_size, ECPNetAddr *addr) { - if ((packet == NULL) || (packet->buffer == NULL)) return ECP_ERR; - if ((payload == NULL) || (payload->buffer == NULL)) return ECP_ERR; - - if (parent) { - ECPBuffer _payload; - unsigned char pld_buf[ECP_MAX_PLD]; - unsigned char mtype; - ssize_t rv, hdr_size; - int _rv; - - _payload.buffer = pld_buf; - _payload.size = ECP_MAX_PLD; - - _rv = ecp_pld_get_type(payload->buffer, payload->size, &mtype); - if (_rv) return _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, pkt_meta, payload->buffer, pld_size); - if (rv < 0) return rv; - - return ecp_pack_conn(parent, packet, ECP_ECDH_IDX_INV, ECP_ECDH_IDX_INV, &_payload, rv+hdr_size, addr, NULL); - } else { - return _ecp_pack(ctx, packet->buffer, packet->size, pkt_meta, payload->buffer, pld_size); - } -} - -#endif - -#ifdef ECP_MEM_TINY -/* Memory limited version */ - -ssize_t ecp_pack_conn(ECPConnection *conn, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ECPBuffer *payload, size_t pld_size, ECPNetAddr *addr, ECPSeqItem *si) { - if ((packet == NULL) || (packet->buffer == NULL)) return ECP_ERR; - if ((payload == NULL) || (payload->buffer == NULL)) return ECP_ERR; - - if (conn->parent) { - unsigned char mtype; - ssize_t rv, hdr_size; - int _rv; - - _rv = ecp_pld_get_type(payload->buffer, payload->size, &mtype); - if (_rv) return _rv; - - hdr_size = vconn_set_msg(conn->parent, packet, mtype); - if (hdr_size < 0) return hdr_size; - - rv = _ecp_pack_conn(conn, packet->buffer+hdr_size, packet->size-hdr_size, s_idx, c_idx, payload->buffer, pld_size, NULL, si); - if (rv < 0) return rv; - - if (payload->size < rv+hdr_size) return ECP_ERR; - memcpy(payload->buffer, packet->buffer, rv+hdr_size); - - return ecp_pack_conn(conn->parent, packet, ECP_ECDH_IDX_INV, ECP_ECDH_IDX_INV, payload, rv+hdr_size, addr, NULL); - } else { - return _ecp_pack_conn(conn, packet->buffer, packet->size, s_idx, c_idx, payload->buffer, pld_size, addr, si); - } -} - -#else - -ssize_t ecp_pack_conn(ECPConnection *conn, ECPBuffer *packet, unsigned char s_idx, unsigned char c_idx, ECPBuffer *payload, size_t pld_size, ECPNetAddr *addr, ECPSeqItem *si) { - if ((packet == NULL) || (packet->buffer == NULL)) return ECP_ERR; - if ((payload == NULL) || (payload->buffer == NULL)) return ECP_ERR; - - if (conn->parent) { - ECPBuffer _payload; - unsigned char pld_buf[ECP_MAX_PLD]; - unsigned char mtype; - ssize_t rv, hdr_size; - int _rv; - - _payload.buffer = pld_buf; - _payload.size = ECP_MAX_PLD; - - _rv = ecp_pld_get_type(payload->buffer, payload->size, &mtype); - if (_rv) return _rv; - - hdr_size = vconn_set_msg(conn->parent, &_payload, mtype); - if (hdr_size < 0) return hdr_size; - - rv = _ecp_pack_conn(conn, _payload.buffer+hdr_size, _payload.size-hdr_size, s_idx, c_idx, payload->buffer, pld_size, NULL, si); - if (rv < 0) return rv; - - return ecp_pack_conn(conn->parent, packet, ECP_ECDH_IDX_INV, ECP_ECDH_IDX_INV, &_payload, rv+hdr_size, addr, NULL); - } else { - return _ecp_pack_conn(conn, packet->buffer, packet->size, s_idx, c_idx, payload->buffer, pld_size, addr, si); - } -} - -#endif - -int ecp_vconn_ctx_init(ECPContext *ctx) { - int rv; - - rv = ecp_conn_handler_init(&handler_vc); - if (rv) return rv; - - handler_vc.msg[ECP_MTYPE_OPEN] = vconn_handle_open; - handler_vc.msg[ECP_MTYPE_KGET] = vconn_handle_kget; - handler_vc.msg[ECP_MTYPE_EXEC] = vconn_handle_exec; -#ifdef ECP_WITH_HTABLE - handler_vc.msg[ECP_MTYPE_RELAY] = vconn_handle_relay; - handler_vc.conn_close = vconn_remove; -#endif /* ECP_WITH_HTABLE */ - ctx->handler[ECP_CTYPE_VCONN] = &handler_vc; - - rv = ecp_conn_handler_init(&handler_vl); - if (rv) return rv; - - handler_vl.msg[ECP_MTYPE_OPEN] = vlink_handle_open; - handler_vl.msg[ECP_MTYPE_KGET] = vlink_handle_kget; - handler_vl.msg[ECP_MTYPE_EXEC] = vconn_handle_exec; -#ifdef ECP_WITH_HTABLE - handler_vl.msg[ECP_MTYPE_RELAY] = vlink_handle_relay; - handler_vl.conn_close = vlink_remove; -#endif /* ECP_WITH_HTABLE */ - ctx->handler[ECP_CTYPE_VLINK] = &handler_vl; - -#ifdef ECP_WITH_HTABLE - key_perma_table = ecp_ht_create(ctx); - if (key_perma_table == NULL) { - return ECP_ERR; - } - key_next_table = ecp_ht_create(ctx); - if (key_next_table == NULL) { - ecp_ht_destroy(key_perma_table); - return ECP_ERR; - } -#ifdef ECP_WITH_PTHREAD - rv = pthread_mutex_init(&key_perma_mutex, NULL); - if (rv) { - ecp_ht_destroy(key_next_table); - ecp_ht_destroy(key_perma_table); - return ECP_ERR; - } - rv = pthread_mutex_init(&key_next_mutex, NULL); - if (rv) { - pthread_mutex_destroy(&key_perma_mutex); - ecp_ht_destroy(key_next_table); - ecp_ht_destroy(key_perma_table); - return ECP_ERR; - } -#endif /* ECP_WITH_PTHREAD */ -#endif /* ECP_WITH_HTABLE */ - - return ECP_OK; -} - -int ecp_vconn_create_parent(ECPConnection *conn, ECPNode *conn_node, ECPVConnOut vconn[], ECPNode vconn_node[], int size) { - ECPSocket *sock = conn->sock; - int i, j, rv; - - conn->parent = (ECPConnection *)&vconn[size-1]; - conn->pcount = size; - for (i=0; i<size; i++) { - rv = ecp_conn_init((ECPConnection *)&vconn[i], sock, ECP_CTYPE_VCONN); - if (!rv) rv = ecp_conn_create_outb((ECPConnection *)&vconn[i], &vconn_node[i]); - if (!rv) { - rv = ecp_conn_insert((ECPConnection *)&vconn[i]); - if (rv) ecp_conn_destroy((ECPConnection *)&vconn[i]); - } - if (rv) { - for (j=0; j<i; j++) ecp_conn_close((ECPConnection *)&vconn[j]); - 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(payload.buffer, payload.size, ECP_MTYPE_KGET_REQ); - return _ecp_pld_send(conn, &packet, ECP_ECDH_IDX_PERMA, ECP_ECDH_IDX_INV, &payload, ECP_SIZE_PLD(0, ECP_MTYPE_KGET_REQ), 0, ti); -} - -int ecp_vconn_open(ECPConnection *conn, ECPNode *conn_node, ECPVConnOut vconn[], ECPNode vconn_node[], int size) { - int rv; - ssize_t _rv; - - rv = ecp_conn_create_outb(conn, conn_node); - if (rv) return rv; - - rv = ecp_conn_insert(conn); - if (rv) { - ecp_conn_destroy(conn); - return rv; - } - - rv = ecp_vconn_create_parent(conn, conn_node, vconn, vconn_node, size); - if (rv) { - ecp_conn_close(conn); - return rv; - } - - _rv = ecp_timer_send((ECPConnection *)&vconn[0], _vconn_send_kget, ECP_MTYPE_KGET_REP, 3, 500); - if (_rv < 0) return _rv; - - return ECP_OK; -}
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