osmo-sysmon/src/client.c

91 lines
2.2 KiB
C

/* Generic client structure and related helpers */
/* (C) 2018 by Harald Welte <laforge@gnumonks.org>
* (C) 2019 by sysmocom - s.f.m.c. GmbH.
* All Rights Reserved.
*
* SPDX-License-Identifier: GPL-2.0+
*
* 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 2 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.
*/
#include <stdbool.h>
#include <string.h>
#include <talloc.h>
#include <osmocom/core/utils.h>
#include <osmocom/netif/stream.h>
#include "client.h"
bool match_config(const struct host_cfg *cfg, const char *match, enum match_kind k)
{
bool m_name = (strcmp(match, cfg->name) == 0),
m_host = (strcmp(match, cfg->remote_host) == 0);
switch (k) {
case MATCH_NAME:
return m_name;
case MATCH_HOST:
return m_host;
case MATCH_EITHER:
return m_name | m_host;
case MATCH_BOTH:
return m_name & m_host;
default:
return false;
}
return false;
}
struct host_cfg *host_cfg_alloc(void *ctx, const char *name, const char *host, uint16_t port)
{
struct host_cfg *cfg = talloc_zero(ctx, struct host_cfg);
if (!cfg)
return NULL;
cfg->name = talloc_strdup(cfg, name);
cfg->remote_host = talloc_strdup(cfg, host);
cfg->remote_port = port;
return cfg;
}
char *make_authority(void *ctx, const struct host_cfg *cfg)
{
if (!cfg->remote_host)
return NULL;
return talloc_asprintf(ctx, "%s:%u", cfg->remote_host, cfg->remote_port);
}
struct osmo_stream_cli *make_tcp_client(struct host_cfg *cfg)
{
struct osmo_stream_cli *cl = osmo_stream_cli_create(cfg);
if (cl) {
osmo_stream_cli_set_addr(cl, cfg->remote_host);
osmo_stream_cli_set_port(cl, cfg->remote_port);
}
return cl;
}
void update_name(struct host_cfg *cfg, const char *new_name)
{
osmo_talloc_replace_string(cfg, (char **)&cfg->name, new_name);
}
void update_host(struct host_cfg *cfg, const char *new_host)
{
osmo_talloc_replace_string(cfg, (char **)&cfg->remote_host, new_host);
}