static void open_socket_out_connected(struct tevent_req *subreq)
{
struct tevent_req *req =
tevent_req_callback_data(subreq, struct tevent_req);
struct open_socket_out_state *state =
tevent_req_data(req, struct open_socket_out_state);
int ret;
int sys_errno;
ret = async_connect_recv(subreq, &sys_errno);
TALLOC_FREE(subreq);
if (ret == 0) {
tevent_req_done(req);
return;
}
if (
#ifdef ETIMEDOUT
(sys_errno == ETIMEDOUT) ||
#endif
(sys_errno == EINPROGRESS) ||
(sys_errno == EALREADY) ||
(sys_errno == EAGAIN)) {
/*
* retry
*/
if (state->wait_usec < 250000) {
state->wait_usec *= 1.5;
}
subreq = async_connect_send(state, state->ev, state->fd,
(struct sockaddr *)&state->ss,
state->salen);
if (tevent_req_nomem(subreq, req)) {
return;
}
if (!tevent_req_set_endtime(
subreq, state->ev,
timeval_current_ofs_usec(state->wait_usec))) {
tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
return;
}
tevent_req_set_callback(subreq, open_socket_out_connected, req);
return;
}
#ifdef EISCONN
if (sys_errno == EISCONN) {
tevent_req_done(req);
return;
}
#endif
/* real error */
tevent_req_nterror(req, map_nt_error_from_unix(sys_errno));
}
struct tevent_req *ctdb_conn_init_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
const char *sock)
{
struct tevent_req *req, *subreq;
struct ctdb_conn_init_state *state;
req = tevent_req_create(mem_ctx, &state, struct ctdb_conn_init_state);
if (req == NULL) {
return NULL;
}
if (!lp_clustering()) {
tevent_req_error(req, ENOSYS);
return tevent_req_post(req, ev);
}
if (strlen(sock) >= sizeof(state->addr.sun_path)) {
tevent_req_error(req, ENAMETOOLONG);
return tevent_req_post(req, ev);
}
state->conn = talloc(state, struct ctdb_conn);
if (tevent_req_nomem(state->conn, req)) {
return tevent_req_post(req, ev);
}
state->conn->outqueue = tevent_queue_create(
state->conn, "ctdb outqueue");
if (tevent_req_nomem(state->conn->outqueue, req)) {
return tevent_req_post(req, ev);
}
state->conn->fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (state->conn->fd == -1) {
tevent_req_error(req, errno);
return tevent_req_post(req, ev);
}
talloc_set_destructor(state->conn, ctdb_conn_destructor);
state->addr.sun_family = AF_UNIX;
strncpy(state->addr.sun_path, sock, sizeof(state->addr.sun_path));
subreq = async_connect_send(state, ev, state->conn->fd,
(struct sockaddr *)&state->addr,
sizeof(state->addr), before_connect_cb,
after_connect_cb, NULL);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, ctdb_conn_init_done, req);
return req;
}
struct tevent_req *open_socket_out_send(TALLOC_CTX *mem_ctx,
struct event_context *ev,
const struct sockaddr_storage *pss,
uint16_t port,
int timeout)
{
char addr[INET6_ADDRSTRLEN];
struct tevent_req *result, *subreq;
struct open_socket_out_state *state;
NTSTATUS status;
result = tevent_req_create(mem_ctx, &state,
struct open_socket_out_state);
if (result == NULL) {
return NULL;
}
state->ev = ev;
state->ss = *pss;
state->port = port;
state->wait_usec = 10000;
state->salen = -1;
state->fd = socket(state->ss.ss_family, SOCK_STREAM, 0);
if (state->fd == -1) {
status = map_nt_error_from_unix(errno);
goto post_status;
}
talloc_set_destructor(state, open_socket_out_state_destructor);
if (!tevent_req_set_endtime(
result, ev, timeval_current_ofs_msec(timeout))) {
goto fail;
}
#if defined(HAVE_IPV6)
if (pss->ss_family == AF_INET6) {
struct sockaddr_in6 *psa6;
psa6 = (struct sockaddr_in6 *)&state->ss;
psa6->sin6_port = htons(port);
if (psa6->sin6_scope_id == 0
&& IN6_IS_ADDR_LINKLOCAL(&psa6->sin6_addr)) {
setup_linklocal_scope_id(
(struct sockaddr *)&(state->ss));
}
state->salen = sizeof(struct sockaddr_in6);
}
#endif
if (pss->ss_family == AF_INET) {
struct sockaddr_in *psa;
psa = (struct sockaddr_in *)&state->ss;
psa->sin_port = htons(port);
state->salen = sizeof(struct sockaddr_in);
}
if (pss->ss_family == AF_UNIX) {
state->salen = sizeof(struct sockaddr_un);
}
print_sockaddr(addr, sizeof(addr), &state->ss);
DEBUG(3,("Connecting to %s at port %u\n", addr, (unsigned int)port));
subreq = async_connect_send(state, state->ev, state->fd,
(struct sockaddr *)&state->ss,
state->salen);
if ((subreq == NULL)
|| !tevent_req_set_endtime(
subreq, state->ev,
timeval_current_ofs(0, state->wait_usec))) {
goto fail;
}
tevent_req_set_callback(subreq, open_socket_out_connected, result);
return result;
post_status:
tevent_req_nterror(result, status);
return tevent_req_post(result, ev);
fail:
TALLOC_FREE(result);
return NULL;
}
