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/*-
* Copyright (c) 2004 Free (Olivier Beyssac)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <ctype.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "options.h"
#include "client.h"
#include "utils.h"
#include "net.h"
/* Connect to host:port and return 1 if success, 0 otherwise */
extern int client_connect(const char *host, const char *port)
{
int sd;
char buf[MAX_CMD_LEN];
ssize_t rd;
if ((sd = net_client_sock_create(host, port)) == -1)
return -1;
/* Read banner */
do {
rd = read(sd, &buf, sizeof(buf));
} while (rd == -1 && (errno == EINTR || errno == EAGAIN));
if (rd <= 0) {
close(sd);
return -1;
}
return sd;
}
/* Send a command and return the result code or -1 */
extern int client_send_cmdi(const int sd, const int cmd, const char *value)
{
char *buf;
if ((buf = client_send_cmdc(sd, cmd, value)) == NULL)
return -1;
if (!isdigit(buf[0]) || !isdigit(buf[1]) || !isdigit(buf[2]))
return -1;
return (buf[0] - '0') * 100 + (buf[1] - '0') * 10 + buf[2] - '0';
}
/* Send a command and return the resulting message line or NULL */
extern char *client_send_cmdc(const int sd, const int cmd, const char *value)
{
static char buf[MAX_CMD_LEN];
ssize_t rd;
switch (cmd) {
case CMD_SUBMIT:
sprintf(buf, "ip=%s\r\n", value);
break;
case CMD_INSERT:
sprintf(buf, "ipbl=%s\r\n", value);
break;
case CMD_DECR:
sprintf(buf, "ipdecr=%s\r\n", value);
break;
case CMD_QUERY:
default:
sprintf(buf, "ip?=%s\r\n", value);
}
write(sd, buf, strlen(buf));
do {
rd = read(sd, &buf, sizeof(buf));
} while (rd == -1 && (errno == EINTR || errno == EAGAIN));
if (rd <= 0) {
close(sd);
return NULL;
}
if (rd < 2) {
return NULL;
}
buf[rd-2] = '\0';
return buf;
}
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