static int
set_details()
{
int rand_port;
unsigned int seed;
struct timeval tp;
/* generate a random port number for avoiding port conflicts */
gettimeofday(&tp, NULL);
seed = tp.tv_usec;
rand_port = (int) ((rand_r(&seed)/(RAND_MAX + 1.0))*512);
clt_settings.rand_port_shifted = rand_port;
/* set the ip port pair mapping according to settings */
if (retrieve_target_addresses(clt_settings.raw_transfer,
&clt_settings.transfer) == -1)
{
return -1;
}
if (clt_settings.percentage < 0 && clt_settings.percentage >99) {
clt_settings.percentage = 0;
}
#if (TCPCOPY_OFFLINE)
if (clt_settings.pcap_file == NULL) {
tc_log_info(LOG_ERR, 0, "it must have -i argument for offline");
fprintf(stderr, "no -i argument\n");
return -1;
}
#endif
#if (TCPCOPY_MYSQL_ADVANCED)
if (clt_settings.user_pwd != NULL) {
if (retrieve_mysql_user_pwd_info(clt_settings.user_pwd) == -1) {
return -1;
}
} else {
tc_log_info(LOG_ERR, 0, "it must have -u argument");
fprintf(stderr, "no -u argument\n");
return -1;
}
#endif
/* daemonize */
if (clt_settings.do_daemonize) {
if (sigignore(SIGHUP) == -1) {
tc_log_info(LOG_ERR, errno, "Failed to ignore SIGHUP");
}
if (daemonize() == -1) {
fprintf(stderr, "failed to daemon() in order to daemonize\n");
return -1;
}
}
if (tc_time_set_timer(100) == TC_ERROR) {
tc_log_info(LOG_ERR, 0, "set timer error");
return -1;
}
return 0;
}
/* TODO It has to solve the sigignore warning problem */
static int
sigignore(int sig)
{
struct sigaction sa = { .sa_handler = SIG_IGN, .sa_flags = 0 };
if (sigemptyset(&sa.sa_mask) == -1 || sigaction(sig, &sa, 0) == -1) {
return -1;
}
return 0;
}
static int
set_details()
{
int rand_port;
unsigned int seed;
struct timeval tp;
/* Generate random port for avoiding port conflicts */
gettimeofday(&tp, NULL);
seed = tp.tv_usec;
rand_port = (int)((rand_r(&seed)/(RAND_MAX + 1.0))*512);
clt_settings.rand_port_shifted = rand_port;
/* Set signal handler */
set_signal_handler();
/* Set ip port pair mapping according to settings */
if (retrieve_target_addresses(clt_settings.raw_transfer,
&clt_settings.transfer) == -1)
{
exit(EXIT_FAILURE);
}
#if (TCPCOPY_OFFLINE)
if (NULL == clt_settings.pcap_file) {
log_info(LOG_ERR, "it must have -i argument for offline");
fprintf(stderr, "no -i argument\n");
exit(EXIT_FAILURE);
}
#endif
#if (TCPCOPY_MYSQL_ADVANCED)
if (NULL != clt_settings.user_pwd) {
retrieve_mysql_user_pwd_info(clt_settings.user_pwd);
} else {
log_info(LOG_ERR, "it must have -u argument");
fprintf(stderr, "no -u argument\n");
exit(EXIT_FAILURE);
}
#endif
/* Daemonize */
if (clt_settings.do_daemonize) {
if (sigignore(SIGHUP) == -1) {
perror("Failed to ignore SIGHUP");
log_info(LOG_ERR, "Failed to ignore SIGHUP");
}
if (daemonize() == -1) {
fprintf(stderr, "failed to daemon() in order to daemonize\n");
exit(EXIT_FAILURE);
}
}
return 0;
}
static int
set_details()
{
#if (!TCPCOPY_PCAP)
int rand_port;
#else
int len, rand_port;
#endif
unsigned int seed;
struct timeval tp;
/* generate a random port number for avoiding port conflicts */
gettimeofday(&tp, NULL);
seed = tp.tv_usec;
rand_port = (int) ((rand_r(&seed)/(RAND_MAX + 1.0))*512);
clt_settings.rand_port_shifted = rand_port;
/* set the ip port pair mapping according to settings */
if (retrieve_target_addresses(clt_settings.raw_transfer,
&clt_settings.transfer) == -1)
{
return -1;
}
if (clt_settings.percentage < 0 || clt_settings.percentage > 99) {
clt_settings.percentage = 0;
}
if (clt_settings.par_connections <= 0) {
clt_settings.par_connections = 1;
} else if (clt_settings.par_connections > MAX_CONNECTION_NUM) {
clt_settings.par_connections = MAX_CONNECTION_NUM;
}
tc_log_info(LOG_NOTICE, 0, "parallel connections per target:%d",
clt_settings.par_connections);
#if (TCPCOPY_OFFLINE)
if (clt_settings.pcap_file == NULL) {
tc_log_info(LOG_ERR, 0, "it must have -i argument for offline");
fprintf(stderr, "no -i argument\n");
return -1;
}
if (clt_settings.accelerated_times < 1) {
clt_settings.accelerated_times = 1;
}
tc_log_info(LOG_NOTICE, 0, "accelerated %d times,interval:%llu ms",
clt_settings.accelerated_times, clt_settings.interval);
if (clt_settings.interval > 0) {
clt_settings.interval = clt_settings.interval * 1000;
}
#endif
#if (TCPCOPY_PCAP_SEND)
if (clt_settings.output_if_name != NULL) {
tc_log_info(LOG_NOTICE, 0, "output device:%s",
clt_settings.output_if_name);
} else {
tc_log_info(LOG_ERR, 0, "output device is null");
return -1;
}
#endif
#if (TCPCOPY_PCAP)
if (clt_settings.raw_device != NULL) {
tc_log_info(LOG_NOTICE, 0, "device:%s", clt_settings.raw_device);
if (strcmp(clt_settings.raw_device, DEFAULT_DEVICE) == 0) {
clt_settings.raw_device = NULL;
} else {
retrieve_devices(clt_settings.raw_device, &(clt_settings.devices));
}
}
if (clt_settings.user_filter != NULL) {
tc_log_info(LOG_NOTICE, 0, "user filter:%s", clt_settings.user_filter);
len = strlen(clt_settings.user_filter);
if (len >= MAX_FILTER_LENGH) {
tc_log_info(LOG_ERR, 0, "user filter is too long");
return -1;
}
memcpy(clt_settings.filter, clt_settings.user_filter, len);
} else {
extract_filter();
}
#endif
#if (TCPCOPY_MYSQL_ADVANCED)
if (clt_settings.user_pwd != NULL) {
tc_log_info(LOG_NOTICE, 0, "-u argument:%s",clt_settings.user_pwd);
if (retrieve_mysql_user_pwd_info(clt_settings.user_pwd) == -1) {
tc_log_info(LOG_ERR, 0, "wrong -u argument");
return -1;
}
} else {
tc_log_info(LOG_ERR, 0, "it must have -u argument");
fprintf(stderr, "no -u argument\n");
return -1;
}
#endif
#if (TCPCOPY_DR)
/* retrieve real server ip addresses */
if (clt_settings.raw_rs_ip_list != NULL) {
tc_log_info(LOG_NOTICE, 0, "s parameter:%s",
clt_settings.raw_rs_ip_list);
retrieve_real_servers();
} else {
tc_log_info(LOG_WARN, 0, "no real server ip addresses");
return -1;
}
#endif
/* daemonize */
if (clt_settings.do_daemonize) {
if (sigignore(SIGHUP) == -1) {
tc_log_info(LOG_ERR, errno, "Failed to ignore SIGHUP");
}
if (daemonize() == -1) {
fprintf(stderr, "failed to daemonize() in order to daemonize\n");
return -1;
}
}
return 0;
}
static int
set_details()
{
int rand_port;
unsigned int seed;
struct timeval tp;
/* generate a random port number for avoiding port conflicts */
gettimeofday(&tp, NULL);
seed = tp.tv_usec;
rand_port = (int) ((rand_r(&seed)/(RAND_MAX + 1.0))*512);
clt_settings.rand_port_shifted = rand_port;
/* set the ip port pair mapping according to settings */
if (retrieve_target_addresses(clt_settings.raw_transfer,
&clt_settings.transfer) == -1)
{
return -1;
}
if (clt_settings.percentage < 0 && clt_settings.percentage >99) {
clt_settings.percentage = 0;
}
#if (TCPCOPY_OFFLINE)
if (clt_settings.pcap_file == NULL) {
tc_log_info(LOG_ERR, 0, "it must have -i argument for offline");
fprintf(stderr, "no -i argument\n");
return -1;
}
#endif
#if (TCPCOPY_PCAP)
if (clt_settings.raw_device != NULL) {
tc_log_info(LOG_NOTICE, 0, "device:%s", clt_settings.raw_device);
if (strcmp(clt_settings.raw_device, DEFAULT_DEVICE) == 0) {
clt_settings.raw_device = NULL;
} else {
retrieve_devices();
}
}
#endif
#if (TCPCOPY_MYSQL_ADVANCED)
if (clt_settings.user_pwd != NULL) {
tc_log_info(LOG_NOTICE, 0, "-u argument:%s",clt_settings.user_pwd);
if (retrieve_mysql_user_pwd_info(clt_settings.user_pwd) == -1) {
tc_log_info(LOG_ERR, 0, "wrong -u argument");
return -1;
}
} else {
tc_log_info(LOG_ERR, 0, "it must have -u argument");
fprintf(stderr, "no -u argument\n");
return -1;
}
#endif
#if (TCPCOPY_DR)
/* retrieve real server ip addresses */
if (clt_settings.raw_rs_ip_list != NULL) {
tc_log_info(LOG_NOTICE, 0, "s parameter:%s",
clt_settings.raw_rs_ip_list);
retrieve_real_servers();
} else {
tc_log_info(LOG_WARN, 0, "no real server ip addresses");
return -1;
}
#endif
/* daemonize */
if (clt_settings.do_daemonize) {
if (sigignore(SIGHUP) == -1) {
tc_log_info(LOG_ERR, errno, "Failed to ignore SIGHUP");
}
if (daemonize(clt_settings.pid_file) == -1) {
fprintf(stderr, "failed to daemonize() in order to daemonize\n");
return -1;
}
}
#if (TCPCOPY_OFFLINE)
if (tc_time_set_timer(TIMER_INTERVAL) == TC_ERROR) {
#else
if (tc_time_set_timer(10) == TC_ERROR) {
#endif
tc_log_info(LOG_ERR, 0, "set timer error");
return -1;
}
return 0;
}
/* set default values for TCPCopy client */
static void
settings_init()
{
/* init values */
clt_settings.mtu = DEFAULT_MTU;
clt_settings.mss = DEFAULT_MSS;
clt_settings.max_rss = MAX_MEMORY_SIZE;
clt_settings.srv_port = SERVER_PORT;
clt_settings.percentage = 0;
clt_settings.session_timeout = DEFAULT_SESSION_TIMEOUT;
tc_raw_socket_out = TC_INVALID_SOCKET;
set_signal_handler();
}
