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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Copyright (C) 2010 Red Hat, Inc.
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation
*
* 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 <glib.h>
#include <string.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <termios.h>
#include <unistd.h>
#include <stdlib.h>
#include "test-qcdm-com.h"
#include "com.h"
#include "utils.h"
#include "result.h"
#include "commands.h"
typedef struct {
char *port;
int fd;
struct termios old_t;
gboolean debug;
} TestComData;
gpointer
test_com_setup (const char *port)
{
TestComData *d;
int ret;
d = g_malloc0 (sizeof (TestComData));
g_assert (d);
if (getenv ("SERIAL_DEBUG"))
d->debug = TRUE;
errno = 0;
d->fd = open (port, O_RDWR | O_EXCL | O_NONBLOCK | O_NOCTTY);
if (d->fd < 0)
g_warning ("%s: open failed: (%d) %s", port, errno, strerror (errno));
g_assert (d->fd >= 0);
ret = ioctl (d->fd, TIOCEXCL);
if (ret) {
g_warning ("%s: lock failed: (%d) %s", port, errno, strerror (errno));
close (d->fd);
d->fd = -1;
}
g_assert (ret == 0);
ret = ioctl (d->fd, TCGETA, &d->old_t);
if (ret) {
g_warning ("%s: old termios failed: (%d) %s", port, errno, strerror (errno));
close (d->fd);
d->fd = -1;
}
g_assert (ret == 0);
d->port = g_strdup (port);
return d;
}
void
test_com_teardown (gpointer user_data)
{
TestComData *d = user_data;
g_assert (d);
g_free (d->port);
close (d->fd);
g_free (d);
}
static void
print_buf (const char *detail, const char *buf, gsize len)
{
int i = 0;
gboolean newline = FALSE;
g_print ("%s (%zu) ", detail, len);
for (i = 0; i < len; i++) {
g_print ("0x%02x ", buf[i] & 0xFF);
if (((i + 1) % 12) == 0) {
g_print ("\n");
newline = TRUE;
} else
newline = FALSE;
}
if (!newline)
g_print ("\n");
}
static gboolean
send_command (TestComData *d, char *buf, gsize len)
{
int status;
int eagain_count = 1000;
gsize i = 0;
if (d->debug)
print_buf (">>>", buf, len);
while (i < len) {
errno = 0;
status = write (d->fd, &buf[i], 1);
if (status < 0) {
if (errno == EAGAIN) {
eagain_count--;
if (eagain_count <= 0)
return FALSE;
} else
g_assert (errno == 0);
} else
i++;
usleep (1000);
}
return TRUE;
}
static gsize
wait_reply (TestComData *d, char *buf, gsize len)
{
fd_set in;
int result;
struct timeval timeout = { 1, 0 };
char readbuf[1024];
ssize_t bytes_read;
char *p = &readbuf[0];
int total = 0, retries = 0;
gboolean escaping = FALSE;
FD_ZERO (&in);
FD_SET (d->fd, &in);
result = select (d->fd + 1, &in, NULL, NULL, &timeout);
if (result != 1 || !FD_ISSET (d->fd, &in))
return 0;
do {
errno = 0;
bytes_read = read (d->fd, p, 1);
if ((bytes_read == 0) || (errno == EAGAIN)) {
/* Haven't gotten the async control char yet */
if (retries > 20)
return 0; /* 2 seconds, give up */
/* Otherwise wait a bit and try again */
usleep (100000);
retries++;
continue;
} else if (bytes_read == 1) {
/* Check for the async control char */
if (*p++ == DIAG_CONTROL_CHAR)
break;
total++;
} else {
/* Some error occurred */
return 0;
}
} while (total <= sizeof (readbuf));
if (d->debug)
print_buf ("<<<", readbuf, total);
return dm_unescape (readbuf, total, buf, len, &escaping);
}
void
test_com (void *f, void *data)
{
TestComData *d = data;
gboolean success;
GError *error = NULL;
char buf[100];
const char *str;
gint len;
QCDMResult *result;
gsize reply_len;
success = qcdm_port_setup (d->fd, &error);
if (!success) {
g_warning ("%s: error setting up port: (%d) %s",
d->port,
error ? error->code : -1,
error && error->message ? error->message : "(unknown)");
}
g_assert (success);
len = qcdm_cmd_version_info_new (buf, sizeof (buf), NULL);
g_assert (len == 4);
/* Send the command */
success = send_command (d, buf, len);
g_assert (success);
/* Get a response */
reply_len = wait_reply (d, buf, sizeof (buf));
/* Parse the response into a result structure */
result = qcdm_cmd_version_info_result (buf, reply_len, &error);
g_assert (result);
str = NULL;
qcdm_result_get_string (result, QCDM_CMD_VERSION_INFO_ITEM_COMP_DATE, &str);
g_message ("%s: Compiled Date: %s", __func__, str);
str = NULL;
qcdm_result_get_string (result, QCDM_CMD_VERSION_INFO_ITEM_COMP_TIME, &str);
g_message ("%s: Compiled Time: %s", __func__, str);
str = NULL;
qcdm_result_get_string (result, QCDM_CMD_VERSION_INFO_ITEM_RELEASE_DATE, &str);
g_message ("%s: Release Date: %s", __func__, str);
str = NULL;
qcdm_result_get_string (result, QCDM_CMD_VERSION_INFO_ITEM_RELEASE_TIME, &str);
g_message ("%s: Release Time: %s", __func__, str);
str = NULL;
qcdm_result_get_string (result, QCDM_CMD_VERSION_INFO_ITEM_MODEL, &str);
g_message ("%s: Model: %s", __func__, str);
}
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