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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <sys/types.h>
#include <errno.h>
#include <syslog.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/stat.h>
#include <sys/sdt.h>
#include <signal.h>
#include <fcntl.h>
#include <libstmfproxy.h>
/*
* NOTE:
* This is demo code to be used with the existing demo proxy daemon
* svc-stmfproxy in /usr/demo/comstar.
*/
struct _s_handle {
int sockfd;
};
typedef struct _s_handle s_handle_t;
static ssize_t
pt_socket_recv(void *handle, void *buf, size_t len)
{
s_handle_t *sh = handle;
return (recv(sh->sockfd, buf, len, MSG_WAITALL));
}
static ssize_t
pt_socket_send(void *handle, void *buf, size_t len)
{
s_handle_t *sh = handle;
return (send(sh->sockfd, buf, len, 0));
}
static void *
pt_socket_connect(int server_node, char *server)
{
int sfd, new_sfd;
s_handle_t *sh = NULL;
int on = 1;
struct sockaddr_in cli_addr, serv_addr;
struct sockaddr_in sin;
int cliLen = sizeof (cli_addr);
if ((sfd = socket(AF_INET, SOCK_STREAM, 0)) <= 0) {
syslog(LOG_DAEMON|LOG_WARNING,
"socket() call failed: %d", errno);
return (NULL);
}
if (server_node) {
if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, &on,
sizeof (on)) < 0) {
syslog(LOG_DAEMON|LOG_WARNING,
"setsockopt() failed: %d", errno);
goto serv_out;
}
bzero(&serv_addr, sizeof (serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
/* XXX get from smf? */
serv_addr.sin_port = htons(6543);
if (bind(sfd, (struct sockaddr *)&serv_addr,
sizeof (serv_addr)) < 0) {
syslog(LOG_DAEMON|LOG_WARNING, "bind() call failed: %d",
errno);
goto serv_out;
}
(void) listen(sfd, 5);
new_sfd = accept(sfd, (struct sockaddr *)&cli_addr, &cliLen);
if (new_sfd < 0) {
syslog(LOG_DAEMON|LOG_WARNING, "accept failed: %d",
errno);
goto serv_out;
}
sh = malloc(sizeof (*sh));
sh->sockfd = new_sfd;
serv_out:
close(sfd);
} else {
struct hostent *hp;
/*
* Assume IP dot notation or if that fails, gethostbyname()
* If that fails, return
*/
if ((inet_aton(server, &sin.sin_addr)) == 0) {
if ((hp = gethostbyname(server)) != NULL) {
memcpy(&sin.sin_addr.s_addr, hp->h_addr,
hp->h_length);
} else {
syslog(LOG_DAEMON|LOG_CRIT,
"Cannot get IP address for %s", server);
(void) close(sfd);
return (NULL);
}
} else {
fprintf(stderr,
"Sorry, cannot use ip address format\n");
(void) close(sfd);
return (NULL);
}
sin.sin_family = AF_INET;
/* XXX pass in from smf */
sin.sin_port = htons(6543);
while (connect(sfd, (struct sockaddr *)&sin,
sizeof (sin)) < 0) {
close(sfd);
if (errno == ECONNREFUSED) {
/* get a fresh socket and retry */
sfd = socket(AF_INET, SOCK_STREAM, 0);
if (sfd < 0) {
syslog(LOG_DAEMON|LOG_WARNING,
"socket() call failed: %d", errno);
return (NULL);
}
sleep(2);
} else {
syslog(LOG_DAEMON|LOG_CRIT,
"Cannot connect %s - %d", server, errno);
return (NULL);
}
}
sh = malloc(sizeof (*sh));
sh->sockfd = sfd;
}
return (sh);
}
pt_ops_t pt_socket_ops = {
pt_socket_connect,
pt_socket_send,
pt_socket_recv
};
int
stmf_proxy_transport_init(char *transport, pt_ops_t **pt_ops)
{
if (strcmp(transport, "sockets") == 0) {
*pt_ops = &pt_socket_ops;
return (0);
} else {
return (-1);
}
}
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