static int
set_details()
{
int mtu_list[] = {576, 1492, 1500, 0};
int i, len, index, offset, rand_port;
unsigned int seed;
unsigned char value;
struct timeval tp;
for (i = tc_pagesize; i >>= 1; tc_pagesize_shift++) { /* void */ }
/* generate a random port number for avoiding port conflicts */
gettimeofday(&tp, NULL);\
seed = tp.tv_usec;
#if (MINGW32)
srand(seed);
rand_port = (int) ((rand() / (RAND_MAX + 1.0)) * 512);
#else
rand_port = (int) ((rand_r(&seed) / (RAND_MAX + 1.0)) * 512);
#endif
clt_settings.rand_port_shifted = rand_port;
if (clt_settings.sess_timeout < 0) {
clt_settings.sess_timeout = DEFAULT_SESS_TIMEOUT;
}
tc_log_info(LOG_NOTICE, 0, "session timeout:%d",
clt_settings.sess_timeout);
if (clt_settings.sess_keepalive_timeout <= 0) {
clt_settings.sess_keepalive_timeout = clt_settings.sess_timeout +
SESS_KEEPLIVE_ADD;
}
tc_log_info(LOG_NOTICE, 0, "keepalive timeout:%d",
clt_settings.sess_keepalive_timeout);
#if (!TC_UDP)
if (clt_settings.s_pool_size == 0) {
clt_settings.s_pool_size = TC_DEFAULT_UPOOL_SIZE;
}
tc_log_info(LOG_NOTICE, 0, "min sess pool size:%d", TC_MIN_SESS_POOL_SIZE);
tc_log_info(LOG_NOTICE, 0, "sess pool size:%d", clt_settings.s_pool_size);
if (clt_settings.s_pool_size < TC_MIN_SESS_POOL_SIZE) {
tc_log_info(LOG_NOTICE, 0, "sess pool size is too small");
}
#endif
if (clt_settings.replica_num > 1) {
tc_log_info(LOG_NOTICE, 0, "repl num:%d", clt_settings.replica_num);
}
if (clt_settings.gradully) {
tc_log_info(LOG_NOTICE, 0, "gradully replay");
}
/* set the ip port pair mapping according to settings */
if (retr_target_addrs(clt_settings.raw_tf, &clt_settings.transfer) == -1) {
return -1;
}
if (clt_settings.raw_clt_tf_ip != NULL) {
/* print out raw_clt_tf_ip */
tc_log_info(LOG_NOTICE, 0, "raw_clt_tf_ip:%s",
clt_settings.raw_clt_tf_ip);
retrieve_clt_tf_ips();
}
if (clt_settings.percentage > 99) {
clt_settings.percentage = 0;
}
#if (!TC_UDP)
if (sizeof(tc_sess_t) > TC_UPOOL_MAXV) {
tc_log_info(LOG_NOTICE, 0, "TC_UPOOL_MAXV is too small");
}
#endif
if (clt_settings.par_conns <= 0) {
clt_settings.par_conns = 1;
} else if (clt_settings.par_conns > MAX_CONN_NUM) {
clt_settings.par_conns = MAX_CONN_NUM;
}
tc_log_info(LOG_NOTICE, 0, "parallel connections per target:%d",
clt_settings.par_conns);
len = sizeof(mtu_list) / sizeof(int) - 1;
for (i = 0; i < len; i++) {
if (mtu_list[i] == clt_settings.mtu) {
break;
}
}
if (i == len) {
mtu_list[len++] = clt_settings.mtu;
}
for (i = 0; i < len; i++) {
index = mtu_list[i] >> 3;
offset = mtu_list[i] - (index << 3);
value = clt_settings.candidate_mtu[index];
value = value | (1 << offset);
clt_settings.candidate_mtu[index] = value;
}
#if (TC_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 (TC_PCAP_SND)
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, "no -o argument");
fprintf(stderr, "no -o argument\n");
return -1;
}
#endif
#if (TC_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();
}
if (clt_settings.snaplen > PCAP_RCV_BUF_SIZE) {
clt_settings.snaplen = PCAP_RCV_BUF_SIZE;
}
#endif
/* retrieve real server ip addresses */
if (clt_settings.raw_rs_list != NULL) {
tc_log_info(LOG_NOTICE, 0, "s parameter:%s",
clt_settings.raw_rs_list);
retrieve_real_servers();
} else {
tc_log_info(LOG_WARN, 0, "no -s parameter(intercept addresses)");
fprintf(stderr, "tcpcopy needs -s paramter(intercept addresses)\n");
return -1;
}
#if (TC_PLUGIN)
/* support only one additional module*/
clt_settings.plugin = tc_modules[0];
#endif
if (read_conf_file() != TC_OK) {
return -1;
}
if (clt_settings.do_daemonize) {
/* ignore
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()
{
#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;
if (clt_settings.session_timeout < 0) {
clt_settings.session_timeout = DEFAULT_SESSION_TIMEOUT;
}
tc_log_info(LOG_NOTICE, 0, "session timeout:%d",
clt_settings.session_timeout);
if (clt_settings.session_keepalive_timeout <= 0) {
clt_settings.session_keepalive_timeout = clt_settings.session_timeout +
SESS_KEEPLIVE_ADD;
}
tc_log_info(LOG_NOTICE, 0, "keepalive timeout:%d",
clt_settings.session_keepalive_timeout);
if (clt_settings.raw_clt_tf_ip != NULL) {
/* print out raw_clt_tf_ip */
tc_log_info(LOG_NOTICE, 0, "raw_clt_tf_ip:%s",
clt_settings.raw_clt_tf_ip);
retrieve_clt_tf_ips();
}
/* 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(isOfflineMode())
{
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;
}
}
#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_list != NULL) {
tc_log_info(LOG_NOTICE, 0, "s parameter:%s",
clt_settings.raw_rs_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;
}
