diff options
Diffstat (limited to 'src/fastd.c')
-rw-r--r-- | src/fastd.c | 122 |
1 files changed, 64 insertions, 58 deletions
diff --git a/src/fastd.c b/src/fastd.c index 7459d6d..0f8194b 100644 --- a/src/fastd.c +++ b/src/fastd.c @@ -336,30 +336,31 @@ static void init_peers(fastd_context_t *ctx) { peer_conf->enabled = enable; } - fastd_peer_t *peer, *next; - for (peer = ctx->peers; peer; peer = next) { - next = peer->next; + size_t i; + for (i = 0; i < VECTOR_LEN(ctx->peers);) { + fastd_peer_t *peer = VECTOR_INDEX(ctx->peers, i); if (peer->config) { if (!peer->config->enabled) { pr_info(ctx, "previously enabled peer %P disabled, deleting.", peer); fastd_peer_delete(ctx, peer); + continue; } } else { - if (!ctx->conf->protocol->peer_check_temporary(ctx, peer)) + if (!ctx->conf->protocol->peer_check_temporary(ctx, peer)) { fastd_peer_delete(ctx, peer); + continue; + } } + + i++; } } static void delete_peers(fastd_context_t *ctx) { - fastd_peer_t *peer, *next; - for (peer = ctx->peers; peer; peer = next) { - next = peer->next; - - fastd_peer_delete(ctx, peer); - } + while (VECTOR_LEN(ctx->peers)) + fastd_peer_delete(ctx, VECTOR_INDEX(ctx->peers, VECTOR_LEN(ctx->peers)-1)); } static void dump_state(fastd_context_t *ctx) { @@ -369,8 +370,10 @@ static void dump_state(fastd_context_t *ctx) { pr_info(ctx, "dumping peers:"); - fastd_peer_t *peer; - for (peer = ctx->peers; peer; peer = peer->next) { + size_t i; + for (i = 0; i < VECTOR_LEN(ctx->peers);) { + fastd_peer_t *peer = VECTOR_INDEX(ctx->peers, i); + if (!fastd_peer_is_established(peer)) { pr_info(ctx, "peer %P not connected, address: %I", peer, &peer->address); continue; @@ -522,34 +525,30 @@ static inline int handshake_timeout(fastd_context_t *ctx) { } static void handle_input(fastd_context_t *ctx) { - const size_t n_fds = 2 + ctx->n_socks + ctx->n_peers; + const size_t n_fds = 2 + ctx->n_socks + VECTOR_LEN(ctx->peers); struct pollfd fds[n_fds]; fds[0].fd = ctx->tunfd; fds[0].events = POLLIN; fds[1].fd = ctx->async_rfd; fds[1].events = POLLIN; - unsigned i; - for (i = 2; i < ctx->n_socks+2; i++) { - fds[i].fd = ctx->socks[i-2].fd; - fds[i].events = POLLIN; + size_t i; + for (i = 0; i < ctx->n_socks; i++) { + fds[2+i].fd = ctx->socks[i].fd; + fds[2+i].events = POLLIN; } - fastd_peer_t *peer; - for (peer = ctx->peers; peer; peer = peer->next) { + for (i = 0; i < VECTOR_LEN(ctx->peers); i++) { + fastd_peer_t *peer = VECTOR_INDEX(ctx->peers, i); + if (peer->sock && fastd_peer_is_socket_dynamic(peer)) - fds[i].fd = peer->sock->fd; + fds[2+ctx->n_socks+i].fd = peer->sock->fd; else - fds[i].fd = -1; - - fds[i].events = POLLIN; + fds[2+ctx->n_socks+i].fd = -1; - i++; + fds[i+2+ctx->n_socks].events = POLLIN; } - if (i != n_fds) - exit_bug(ctx, "fd count mismatch"); - int maintenance_timeout = timespec_diff(&ctx->next_maintenance, &ctx->now); if (maintenance_timeout < 0) @@ -574,66 +573,68 @@ static void handle_input(fastd_context_t *ctx) { if (fds[1].revents & POLLIN) fastd_async_handle(ctx); - for (i = 2; i < ctx->n_socks+2; i++) { - if (fds[i].revents & (POLLERR|POLLHUP|POLLNVAL)) - fastd_socket_error(ctx, &ctx->socks[i-2]); - else if (fds[i].revents & POLLIN) - fastd_receive(ctx, &ctx->socks[i-2]); + for (i = 0; i < ctx->n_socks; i++) { + if (fds[2+i].revents & (POLLERR|POLLHUP|POLLNVAL)) + fastd_socket_error(ctx, &ctx->socks[i]); + else if (fds[2+i].revents & POLLIN) + fastd_receive(ctx, &ctx->socks[i]); } - for (peer = ctx->peers; peer; peer = peer->next) { - if (fds[i].revents & (POLLERR|POLLHUP|POLLNVAL)) + for (i = 0; i < VECTOR_LEN(ctx->peers); i++) { + fastd_peer_t *peer = VECTOR_INDEX(ctx->peers, i); + + if (fds[2+ctx->n_socks+i].revents & (POLLERR|POLLHUP|POLLNVAL)) fastd_peer_reset_socket(ctx, peer); - else if (fds[i].revents & POLLIN) + else if (fds[2+ctx->n_socks+i].revents & POLLIN) fastd_receive(ctx, peer->sock); - - i++; } +} - if (i != n_fds) - exit_bug(ctx, "fd count mismatch"); +static void enable_temporaries(fastd_context_t *ctx) { + size_t i; + for (i = 0; i < VECTOR_LEN(ctx->peers_temp); i++) + fastd_peer_enable_temporary(ctx, VECTOR_INDEX(ctx->peers_temp, i)); + + VECTOR_RESIZE(ctx->peers_temp, 0); } -static void maintain_peer(fastd_context_t *ctx, fastd_peer_t *peer) { +static bool maintain_peer(fastd_context_t *ctx, fastd_peer_t *peer) { if (fastd_peer_is_temporary(peer) || fastd_peer_is_established(peer)) { /* check for peer timeout */ if (fastd_timed_out(ctx, &peer->timeout)) { - if (fastd_peer_is_temporary(peer)) + if (fastd_peer_is_temporary(peer)) { fastd_peer_delete(ctx, peer); - else + return false; + } + else { fastd_peer_reset(ctx, peer); - - return; + return true; + } } /* check for keepalive timeout */ if (!fastd_peer_is_established(peer)) - return; + return true; if (!fastd_timed_out(ctx, &peer->keepalive_timeout)) - return; + return true; pr_debug2(ctx, "sending keepalive to %P", peer); ctx->conf->protocol->send(ctx, peer, fastd_buffer_alloc(ctx, 0, ctx->conf->min_encrypt_head_space, ctx->conf->min_encrypt_tail_space)); } -} - -static void enable_temporaries(fastd_context_t *ctx) { - while (ctx->peers_temp) { - fastd_peer_t *peer = ctx->peers_temp; - ctx->peers_temp = ctx->peers_temp->next; - fastd_peer_enable_temporary(ctx, peer); - } + return true; } static void maintenance(fastd_context_t *ctx) { fastd_socket_handle_binds(ctx); - fastd_peer_t *peer, *next; - for (peer = ctx->peers; peer; peer = next) { - next = peer->next; - maintain_peer(ctx, peer); + size_t i; + for (i = 0; i < VECTOR_LEN(ctx->peers);) { + fastd_peer_t *peer = VECTOR_INDEX(ctx->peers, i); + + if (maintain_peer(ctx, peer)) + i++; } fastd_peer_eth_addr_cleanup(ctx); @@ -967,6 +968,9 @@ int main(int argc, char *argv[]) { fastd_config_load_peer_dirs(&ctx, &conf); VECTOR_ALLOC(ctx.eth_addrs, 0); + VECTOR_ALLOC(ctx.peers, 0); + VECTOR_ALLOC(ctx.peers_temp, 0); + init_peers(&ctx); while (!terminate) { @@ -1013,6 +1017,8 @@ int main(int argc, char *argv[]) { on_post_down(&ctx); + VECTOR_FREE(ctx.peers_temp); + VECTOR_FREE(ctx.peers); VECTOR_FREE(ctx.eth_addrs); free(ctx.protocol_state); |