int addressfamily = AF_UNSPEC;
int maxtimeout = 900;
int seconds_till_retry = 5;
+int udp_rcvbuf = 0;
+int udp_sndbuf = 0;
listen_socket_t listen_socket[MAXSOCKETS];
int listen_sockets;
status = getaddrinfo(node, /* service = */ NULL,
&ai_hints, &ai_list);
if(status) {
- free(node);
logger(LOG_WARNING, "Error looking up %s port %s: %s",
node, "any", gai_strerror(status));
+ free(node);
return false;
}
assert(ai_list != NULL);
option = 1;
setsockopt(nfd, SOL_SOCKET, SO_REUSEADDR, (void *)&option, sizeof option);
+ if(udp_rcvbuf && setsockopt(nfd, SOL_SOCKET, SO_RCVBUF, (void *)&udp_rcvbuf, sizeof(udp_rcvbuf)))
+ logger(LOG_WARNING, "Can't set UDP SO_RCVBUF to %i: %s", udp_rcvbuf, strerror(errno));
+
+ if(udp_sndbuf && setsockopt(nfd, SOL_SOCKET, SO_SNDBUF, (void *)&udp_sndbuf, sizeof(udp_sndbuf)))
+ logger(LOG_WARNING, "Can't set UDP SO_SNDBUF to %i: %s", udp_sndbuf, strerror(errno));
+
#if defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY)
if(sa->sa.sa_family == AF_INET6)
setsockopt(nfd, IPPROTO_IPV6, IPV6_V6ONLY, (void *)&option, sizeof option);
send_id(c);
}
-void do_outgoing_connection(connection_t *c) {
+bool do_outgoing_connection(connection_t *c) {
char *address, *port, *space;
int result;
retry_outgoing(c->outgoing);
c->outgoing = NULL;
connection_del(c);
- return;
+ return false;
}
get_config_string(c->outgoing->cfg, &address);
if(result == -1) {
if(sockinprogress(sockerrno)) {
c->status.connecting = true;
- return;
+ return true;
}
closesocket(c->socket);
finish_connecting(c);
- return;
-}
-
-void handle_meta_read(struct bufferevent *event, void *data) {
- logger(LOG_ERR, "handle_meta_read() called");
- abort();
+ return true;
}
-void handle_meta_write(struct bufferevent *event, void *data) {
+static void handle_meta_write(int sock, short events, void *data) {
ifdebug(META) logger(LOG_DEBUG, "handle_meta_write() called");
-}
-void handle_meta_connection_error(struct bufferevent *event, short what, void *data) {
connection_t *c = data;
- logger(LOG_ERR, "handle_meta_connection_error() called: %d: %s", what, strerror(errno));
- terminate_connection(c, c->status.active);
+
+ ssize_t outlen = send(c->socket, c->outbuf.data + c->outbuf.offset, c->outbuf.len - c->outbuf.offset, 0);
+ if(outlen <= 0) {
+ logger(LOG_ERR, "Onoes, outlen = %d (%s)", (int)outlen, strerror(errno));
+ terminate_connection(c, c->status.active);
+ return;
+ }
+
+ buffer_read(&c->outbuf, outlen);
+ if(!c->outbuf.len && event_initialized(&c->outevent))
+ event_del(&c->outevent);
}
void setup_outgoing_connection(outgoing_t *outgoing) {
connection_t *c;
node_t *n;
- event_del(&outgoing->ev);
+ if(event_initialized(&outgoing->ev))
+ event_del(&outgoing->ev);
n = lookup_node(outgoing->name);
connection_add(c);
- do_outgoing_connection(c);
-
- event_set(&c->inevent, c->socket, EV_READ | EV_PERSIST, handle_meta_connection_data, c);
- event_add(&c->inevent, NULL);
- c->buffer = bufferevent_new(c->socket, handle_meta_read, handle_meta_write, handle_meta_connection_error, c);
- if(!c->buffer) {
- logger(LOG_ERR, "bufferevent_new() failed: %s", strerror(errno));
- abort();
+ if (do_outgoing_connection(c)) {
+ event_set(&c->inevent, c->socket, EV_READ | EV_PERSIST, handle_meta_connection_data, c);
+ event_set(&c->outevent, c->socket, EV_WRITE | EV_PERSIST, handle_meta_write, c);
+ event_add(&c->inevent, NULL);
}
- bufferevent_disable(c->buffer, EV_READ);
}
/*
ifdebug(CONNECTIONS) logger(LOG_NOTICE, "Connection from %s", c->hostname);
event_set(&c->inevent, c->socket, EV_READ | EV_PERSIST, handle_meta_connection_data, c);
+ event_set(&c->outevent, c->socket, EV_WRITE | EV_PERSIST, handle_meta_write, c);
event_add(&c->inevent, NULL);
- c->buffer = bufferevent_new(c->socket, NULL, handle_meta_write, handle_meta_connection_error, c);
- if(!c->buffer) {
- logger(LOG_ERR, "bufferevent_new() failed: %s", strerror(errno));
- abort();
- }
- bufferevent_disable(c->buffer, EV_READ);
configure_tcp(c);
send_id(c);
}
-void free_outgoing(outgoing_t *outgoing) {
+static void free_outgoing(outgoing_t *outgoing) {
if(outgoing->ai)
freeaddrinfo(outgoing->ai);