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-rw-r--r--src/sbus/request/sbus_request_call.c160
1 files changed, 160 insertions, 0 deletions
diff --git a/src/sbus/request/sbus_request_call.c b/src/sbus/request/sbus_request_call.c
new file mode 100644
index 0000000..cf2a6e5
--- /dev/null
+++ b/src/sbus/request/sbus_request_call.c
@@ -0,0 +1,160 @@
+/*
+ Authors:
+ Pavel Březina <pbrezina@redhat.com>
+
+ Copyright (C) 2017 Red Hat
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <tevent.h>
+#include <talloc.h>
+
+#include "sbus/sbus_private.h"
+
+struct sbus_call_method_state {
+ DBusMessage *reply;
+};
+
+static void sbus_call_method_done(struct tevent_req *subreq);
+
+struct tevent_req *
+sbus_call_method_send(TALLOC_CTX *mem_ctx,
+ struct sbus_connection *conn,
+ DBusMessage *raw_message,
+ sbus_invoker_keygen keygen,
+ sbus_invoker_writer_fn writer,
+ const char *bus,
+ const char *path,
+ const char *iface,
+ const char *method,
+ void *input)
+{
+ struct sbus_call_method_state *state;
+ struct sbus_request *sbus_req;
+ struct tevent_req *subreq;
+ struct tevent_req *req;
+ const char *key = NULL;
+ DBusMessage *msg;
+ errno_t ret;
+
+ req = tevent_req_create(mem_ctx, &state, struct sbus_call_method_state);
+ if (req == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, "Unable to create tevent request!\n");
+ return NULL;
+ }
+
+ sbus_req = sbus_request_create(state, conn, SBUS_REQUEST_METHOD,
+ bus, iface, method, path);
+ if (sbus_req == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+
+ msg = sbus_create_method_call(state, raw_message, writer, bus, path,
+ iface, method, input);
+ if (msg == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
+
+ ret = sbus_request_key(state, keygen, sbus_req, input, &key);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ subreq = sbus_outgoing_request_send(state, conn->ev, conn, key, msg);
+ if (subreq == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, "Unable to create subrequest!\n");
+ ret = ENOMEM;
+ goto done;
+ }
+
+ tevent_req_set_callback(subreq, sbus_call_method_done, req);
+
+ ret = EAGAIN;
+
+done:
+ if (ret != EAGAIN) {
+ tevent_req_error(req, ret);
+ tevent_req_post(req, conn->ev);
+ }
+
+ return req;
+}
+
+static void sbus_call_method_done(struct tevent_req *subreq)
+{
+ struct sbus_call_method_state *state;
+ struct tevent_req *req;
+ errno_t ret;
+
+ req = tevent_req_callback_data(subreq, struct tevent_req);
+ state = tevent_req_data(req, struct sbus_call_method_state);
+
+ ret = sbus_outgoing_request_recv(state, subreq, &state->reply);
+ talloc_zfree(subreq);
+ if (ret != EOK) {
+ tevent_req_error(req, ret);
+ return;
+ }
+
+ tevent_req_done(req);
+ return;
+}
+
+errno_t
+sbus_call_method_recv(TALLOC_CTX *mem_ctx,
+ struct tevent_req *req,
+ DBusMessage **_reply)
+{
+ struct sbus_call_method_state *state;
+ errno_t ret;
+
+ state = tevent_req_data(req, struct sbus_call_method_state);
+
+ TEVENT_REQ_RETURN_ON_ERROR(req);
+
+ ret = sbus_message_bound_steal(mem_ctx, state->reply);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_CRIT_FAILURE, "Unable to steal message [%d]: %s\n",
+ ret, sss_strerror(ret));
+ return ret;
+ }
+
+ *_reply = state->reply;
+
+ return EOK;
+}
+
+void
+sbus_call_signal_send(struct sbus_connection *conn,
+ DBusMessage *raw_message,
+ sbus_invoker_writer_fn writer,
+ const char *path,
+ const char *iface,
+ const char *signal_name,
+ void *input)
+{
+ DBusMessage *msg;
+
+ msg = sbus_create_signal_call(NULL, raw_message, writer, path, iface,
+ signal_name, input);
+ if (msg == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, "Unable to create signal message!\n");
+ return;
+ }
+
+ sbus_emit_signal(conn, msg);
+}