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#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include <ecp/core.h>
#include <ecp/dir/dir.h>
#include <ecp/dir/dir_client.h>
#include <ecp/vconn/vconn.h>
#include <util.h>
#include "init_vconn.h"
ECPDirList *_dir_list = NULL;
ecp_ecdh_public_t srv_public;
#define CTYPE_TEST 0
#define MTYPE_MSG 0
static void vconn_open(ECPSocket *sock) {
ECPConnection *conn;
ECPVConnOutb *vconn;
ecp_tr_addr_t addr;
ecp_ecdh_public_t vconn_pub[ECP_MAX_PARENT];
ssize_t vconn_size, _rv;
int rv;
_rv = ecp_dir_sel_vconn(_dir_list, &srv_public, vconn_pub, ECP_MAX_PARENT, &addr);
LOG("ecp_dir_sel_vconn", (int)_rv);
vconn_size = _rv;
conn = malloc(sizeof(ECPConnection));
if (conn == NULL) LOG("conn malloc", ECP_ERR_ALLOC);
vconn = malloc(vconn_size * sizeof(ECPVConnOutb));
if (vconn == NULL) LOG("vconn malloc", ECP_ERR_ALLOC);
ecp_conn_init(conn, sock, CTYPE_TEST);
ecp_vconn_init(vconn, vconn_size, conn, sock);
rv = ecp_vconn_open(vconn, vconn_pub, &addr, &srv_public);
LOG("ecp_vconn_open", rv);
}
static int handle_open(ECPConnection *conn, ECP2Buffer *b) {
char *_msg = "PERA JE CAR!";
ssize_t rv;
printf("Press ENTER key to start\n");
while(getchar()!='\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 void handle_err(ECPConnection *conn, unsigned char mtype, int err) {
if (mtype == ECP_MTYPE_OPEN_REP) {
ecp_dir_set_unavailable(_dir_list, &conn->remote.key_perma.public);
vconn_open(conn->sock);
}
ecp_vconn_close(conn);
}
static void handle_dir_list(ECPConnection *conn, void *list, int err) {
ECPDirList *dir_list = list;
if (err && _dir_list) {
ECPConnection *dir_conn;
ecp_tr_addr_t addr;
ecp_ecdh_public_t public;
int rv;
ecp_dir_set_unavailable(_dir_list, &conn->remote.key_perma.public);
rv = ecp_dir_sel_dir(_dir_list, &public, &addr);
LOG("ecp_dir_sel_dir", rv);
dir_conn = malloc(sizeof(ECPConnection));
if (dir_conn == NULL) LOG("dir_conn malloc", ECP_ERR_ALLOC);
rv = ecp_dir_get(dir_conn, conn->sock, &public, &addr, 0);
LOG("ecp_dir_get", rv);
return;
}
LOG("handle_dir_list", err);
if (_dir_list) ecp_dir_list_destroy(_dir_list);
_dir_list = dir_list;
vconn_open(conn->sock);
}
static void usage(char *arg) {
fprintf(stderr, "Usage: %s <server.pub> <address> <dir.pub>\n", arg);
exit(1);
}
int main(int argc, char *argv[]) {
ECPContext ctx;
ECPSocket sock;
ECPDHKey key_perma;
ECPConnHandler handler;
ECPConnHandler vconn_handler;
ECPConnHandler vlink_handler;
ECPConnHandler dir_handler;
ECPConnection *dir_conn;
ecp_tr_addr_t addr;
ecp_ecdh_public_t public;
int rv;
if (argc != 4) usage(argv[0]);
rv = ecp_init(&ctx, &vconn_handler, &vlink_handler);
LOG("ecp_init", rv);
vconn_handler.handle_err = handle_err;
rv = ecp_dir_set_handler(&ctx, &dir_handler, handle_dir_list);
LOG("ecp_dir_set_handler", rv);
ecp_conn_handler_init(&handler, handle_open, NULL, handle_msg, NULL);
ecp_ctx_set_handler(&ctx, CTYPE_TEST, &handler);
rv = ecp_dhkey_gen(&key_perma);
LOG("ecp_dhkey_gen", rv);
rv = ecp_sock_create(&sock, &ctx, &key_perma);
LOG("ecp_sock_create", rv);
rv = ecp_vconn_sock_create(&sock);
LOG("ecp_vconn_sock_create", rv);
rv = ecp_sock_open(&sock, NULL);
LOG("ecp_sock_open", rv);
rv = ecp_start_receiver(&sock);
LOG("ecp_start_receiver", rv);
rv = ecp_util_load_key(argv[1], &srv_public, NULL);
LOG("ecp_util_load_key", rv);
rv = ecp_addr_init(&addr, argv[2]);
LOG("ecp_addr_init", rv);
rv = ecp_util_load_key(argv[3], &public, NULL);
LOG("ecp_util_load_key", rv);
dir_conn = malloc(sizeof(ECPConnection));
if (dir_conn == NULL) LOG("dir_conn malloc", ECP_ERR_ALLOC);
rv = ecp_dir_get(dir_conn, &sock, &public, &addr, 0);
LOG("ecp_dir_get", rv);
while (1) sleep(1);
}
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