static void pni_connection_readable(pn_selectable_t *sel)
{
pn_reactor_t *reactor = (pn_reactor_t *) pni_selectable_get_context(sel);
pn_transport_t *transport = pni_transport(sel);
ssize_t capacity = pn_transport_capacity(transport);
if (capacity > 0) {
ssize_t n = pn_recv(pn_reactor_io(reactor), pn_selectable_get_fd(sel),
pn_transport_tail(transport), capacity);
if (n <= 0) {
if (n == 0 || !pn_wouldblock(pn_reactor_io(reactor))) {
if (n < 0) {
pn_condition_t *cond = pn_transport_condition(transport);
pn_condition_set_name(cond, "proton:io");
pn_condition_set_description(cond, pn_error_text(pn_io_error(pn_reactor_io(reactor))));
}
pn_transport_close_tail(transport);
}
} else {
pn_transport_process(transport, (size_t)n);
}
}
ssize_t newcap = pn_transport_capacity(transport);
//occasionally transport events aren't generated when expected, so
//the following hack ensures we always update the selector
if (1 || newcap != capacity) {
pni_connection_update(sel);
pn_reactor_update(reactor, sel);
}
}
static void pni_connection_writable(pn_selectable_t *sel)
{
pn_reactor_t *reactor = (pn_reactor_t *) pni_selectable_get_context(sel);
pn_transport_t *transport = pni_transport(sel);
ssize_t pending = pn_transport_pending(transport);
if (pending > 0) {
ssize_t n = pn_send(pn_reactor_io(reactor), pn_selectable_get_fd(sel),
pn_transport_head(transport), pending);
if (n < 0) {
if (!pn_wouldblock(pn_reactor_io(reactor))) {
pn_condition_t *cond = pn_transport_condition(transport);
if (!pn_condition_is_set(cond)) {
pn_condition_set_name(cond, "proton:io");
pn_condition_set_description(cond, pn_error_text(pn_io_error(pn_reactor_io(reactor))));
}
pn_transport_close_head(transport);
}
} else {
pn_transport_pop(transport, n);
}
}
ssize_t newpending = pn_transport_pending(transport);
if (newpending != pending) {
pni_connection_update(sel);
pn_reactor_update(reactor, sel);
}
}
static void pni_connection_finalize(pn_selectable_t *sel) {
pn_reactor_t *reactor = (pn_reactor_t *) pni_selectable_get_context(sel);
pn_transport_t *transport = pni_transport(sel);
pn_record_t *record = pn_transport_attachments(transport);
pn_record_set(record, PN_TRANCTX, NULL);
pn_socket_t fd = pn_selectable_get_fd(sel);
pn_close(pn_reactor_io(reactor), fd);
}
pn_io_t* reactor::pn_io() const {
return pn_reactor_io(pn_object());
}
void pni_handle_bound(pn_reactor_t *reactor, pn_event_t *event) {
assert(reactor);
assert(event);
pn_connection_t *conn = pn_event_connection(event);
pn_record_t *record = pn_connection_attachments(conn);
pn_url_t *url = (pn_url_t *)pn_record_get(record, PNI_CONN_URL);
const char *host = NULL;
const char *port = "5672";
pn_string_t *str = NULL;
if (url) {
host = pn_url_get_host(url);
const char *uport = pn_url_get_port(url);
if (uport) {
port = uport;
} else {
const char *scheme = pn_url_get_scheme(url);
if (scheme && strcmp(scheme, "amqps") == 0) {
port = "5671";
}
}
if (!pn_connection_get_user(conn)) {
// user did not manually set auth info
const char *user = pn_url_get_username(url);
if (user) pn_connection_set_user(conn, user);
const char *passwd = pn_url_get_password(url);
if (passwd) pn_connection_set_password(conn, passwd);
}
} else {
// for backward compatibility, see if the connection's hostname can be
// used for the remote address. See JIRA PROTON-1133
const char *hostname = pn_connection_get_hostname(conn);
if (hostname) {
str = pn_string(hostname);
char *h = pn_string_buffer(str);
// see if a port has been included in the hostname. This is not
// allowed by the spec, but the old reactor interface allowed it.
char *colon = strrchr(h, ':');
if (colon) {
*colon = '\0';
host = h;
port = colon + 1;
}
}
}
// host will be NULL if this connection was created via the acceptor, which
// creates its own transport/socket when created.
if (!host) {
return;
}
pn_transport_t *transport = pn_event_transport(event);
pn_socket_t sock = pn_connect(pn_reactor_io(reactor), host, port);
// invalid sockets are ignored by poll, so we need to do this manualy
if (sock == PN_INVALID_SOCKET) {
pn_condition_t *cond = pn_transport_condition(transport);
pn_condition_set_name(cond, "proton:io");
pn_condition_set_description(cond, pn_error_text(pn_io_error(pn_reactor_io(reactor))));
pn_transport_close_tail(transport);
pn_transport_close_head(transport);
}
pn_free(str);
pn_reactor_selectable_transport(reactor, sock, transport);
}