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/*
* Unix SMB/CIFS implementation.
* Send messages once a second
* Copyright (C) Volker Lendecke 2014
*
* 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 "replace.h"
#include "includes.h"
#include "lib/util/server_id.h"
#include "messages.h"
#include "lib/util/tevent_unix.h"
#include <stdio.h>
struct source_state {
struct tevent_context *ev;
struct messaging_context *msg_ctx;
int msg_type;
struct timeval interval;
struct server_id dst;
};
static void source_waited(struct tevent_req *subreq);
static struct tevent_req *source_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct messaging_context *msg_ctx,
int msg_type,
struct timeval interval,
struct server_id dst)
{
struct tevent_req *req, *subreq;
struct source_state *state;
req = tevent_req_create(mem_ctx, &state, struct source_state);
if (req == NULL) {
return NULL;
}
state->ev = ev;
state->msg_ctx = msg_ctx;
state->msg_type = msg_type;
state->interval = interval;
state->dst = dst;
subreq = tevent_wakeup_send(
state, state->ev,
timeval_current_ofs(state->interval.tv_sec,
state->interval.tv_usec));
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, source_waited, req);
return req;
}
static void source_waited(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct source_state *state = tevent_req_data(
req, struct source_state);
bool ok;
uint8_t buf[200] = { };
ok = tevent_wakeup_recv(subreq);
TALLOC_FREE(subreq);
if (!ok) {
tevent_req_error(req, ENOMEM);
return;
}
messaging_send_buf(state->msg_ctx, state->dst, state->msg_type,
buf, sizeof(buf));
subreq = tevent_wakeup_send(
state, state->ev,
timeval_current_ofs(state->interval.tv_sec,
state->interval.tv_usec));
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, source_waited, req);
}
static int source_recv(struct tevent_req *req)
{
int err;
if (tevent_req_is_unix_error(req, &err)) {
return err;
}
return 0;
}
int main(int argc, const char *argv[])
{
TALLOC_CTX *frame = talloc_stackframe();
struct tevent_context *ev;
struct messaging_context *msg_ctx;
struct tevent_req *req;
int ret;
struct server_id my_id, id;
if (argc != 2) {
fprintf(stderr, "Usage: %s <dst>\n", argv[0]);
return -1;
}
lp_load_global(get_dyn_CONFIGFILE());
ev = tevent_context_init(frame);
if (ev == NULL) {
perror("tevent_context_init failed");
return -1;
}
msg_ctx = messaging_init(ev, ev);
if (msg_ctx == NULL) {
perror("messaging_init failed");
return -1;
}
my_id = messaging_server_id(msg_ctx);
id = server_id_from_string(my_id.vnn, argv[1]);
if (!procid_valid(&id)) {
fprintf(stderr, "pid %s invalid\n", argv[1]);
return -1;
}
req = source_send(ev, ev, msg_ctx, MSG_SMB_NOTIFY,
timeval_set(0, 10000), id);
if (req == NULL) {
perror("source_send failed");
return -1;
}
if (!tevent_req_poll(req, ev)) {
perror("tevent_req_poll failed");
return -1;
}
ret = source_recv(req);
printf("source_recv returned %d\n", ret);
return 0;
}
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