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freeswitch
提交 fd7bf0ea authored 作者: Michael Jerris's avatar Michael Jerris
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update 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@1171 d0543943-73ff-0310-b7d9-9358b9ac24b2
上级 c69c7416
显示空白字符变更
内嵌 并排
正在显示 包含 201 行增加 和 136 行删除
libs/libdingaling/src/libdingaling.c
浏览文件 @ fd7bf0ea
......@@ -237,6 +237,7 @@ static ldl_status parse_session_code(ldl_handle_t *handle, char *id, char *from,
ldl_session_t *session = NULL;
ldl_signal_t signal = LDL_SIGNAL_NONE;
char *initiator = iks_find_attrib(xml, "initiator");
char *msg = NULL;
if (!(session = apr_hash_get(handle->sessions, id, APR_HASH_KEY_STRING))) {
ldl_session_create(&session, handle, id, from, initiator);
......@@ -261,10 +262,13 @@ static ldl_status parse_session_code(ldl_handle_t *handle, char *id, char *from,
iks *tag;
if (type) {
if (!strcasecmp(type, "initiate") || !strcasecmp(type, "accept")) {
signal = LDL_SIGNAL_INITIATE;
if (!strcasecmp(type, "accept")) {
msg = "accept";
}
if (!session->initiator && initiator) {
session->initiator = apr_pstrdup(session->pool, initiator);
}
......@@ -382,7 +386,7 @@ static ldl_status parse_session_code(ldl_handle_t *handle, char *id, char *from,
}
if (handle->session_callback && signal) {
handle->session_callback(handle, session, signal, NULL);
handle->session_callback(handle, session, signal, msg);
}
return LDL_STATUS_SUCCESS;
......
src/mod/endpoints/mod_dingaling/mod_dingaling.c
浏览文件 @ fd7bf0ea
......@@ -49,7 +49,8 @@ typedef enum {
TFLAG_VOICE = (1 << 6),
TFLAG_RTP_READY = (1 << 7),
TFLAG_CODEC_READY = (1 << 8),
TFLAG_INIT = (1 << 9),
TFLAG_TRANSPORT = (1 << 9),
TFLAG_ANSWER = (1 << 10),
} TFLAGS;
typedef enum {
......@@ -105,6 +106,7 @@ struct private_object {
switch_port_t local_port;
switch_port_t remote_port;
char local_user[17];
char local_pass[17];
char *remote_user;
unsigned int cand_id;
unsigned int desc_id;
......@@ -123,7 +125,7 @@ struct private_object {
uint32_t last_read;
char *codec_name;
uint8_t codec_num;
switch_time_t last_cand;
switch_time_t next_desc;
switch_time_t next_cand;
char *stun_ip;
uint16_t stun_port;
......@@ -218,89 +220,87 @@ static void handle_thread_launch(ldl_handle_t *handle)
}
static void *SWITCH_THREAD_FUNC negotiate_thread_run(switch_thread *thread, void *obj)
static int activate_rtp(struct private_object *tech_pvt)
{
switch_core_session *session = obj;
switch_channel *channel;
struct private_object *tech_pvt = NULL;
switch_time_t started;
switch_time_t now;
unsigned int elapsed;
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
switch_set_flag(tech_pvt, TFLAG_IO);
started = switch_time_now();
switch_channel *channel = switch_core_session_get_channel(tech_pvt->session);
const char *err;
if (tech_pvt->rtp_session) {
return 0;
}
if (switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) {
tech_pvt->last_cand = switch_time_now();
tech_pvt->next_cand = tech_pvt->last_cand;
} else {
tech_pvt->next_cand = tech_pvt->last_cand + DL_CAND_WAIT;
if (switch_core_codec_init(&tech_pvt->read_codec,
tech_pvt->codec_name,
8000,
20,
1,
SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
NULL, switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Can't load codec?\n");
switch_channel_hangup(channel);
return 1;
}
tech_pvt->read_frame.rate = tech_pvt->read_codec.implementation->samples_per_second;
tech_pvt->read_frame.codec = &tech_pvt->read_codec;
while(! (switch_test_flag(tech_pvt, TFLAG_CODEC_READY) && switch_test_flag(tech_pvt, TFLAG_RTP_READY) && switch_test_flag(tech_pvt, TFLAG_INIT))) {
now = switch_time_now();
elapsed = (unsigned int)((now - started) / 1000);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Set Read Codec to %s\n", tech_pvt->codec_name);
if (switch_channel_get_state(channel) >= CS_HANGUP || switch_test_flag(tech_pvt, TFLAG_BYE)) {
return NULL;
if (switch_core_codec_init(&tech_pvt->write_codec,
tech_pvt->codec_name,
8000,
20,
1,
SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
NULL, switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Can't load codec?\n");
switch_channel_hangup(channel);
return -1;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Set Write Codec to %s\n", tech_pvt->codec_name);
switch_core_session_set_read_codec(tech_pvt->session, &tech_pvt->read_codec);
switch_core_session_set_write_codec(tech_pvt->session, &tech_pvt->write_codec);
if (now >= tech_pvt->next_cand) {
ldl_payload_t payloads[5];
tech_pvt->next_cand += DL_CAND_WAIT;
memset(payloads, 0, sizeof(payloads));
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SETUP RTP %s:%d -> %s:%d\n", tech_pvt->profile->ip, tech_pvt->local_port, tech_pvt->remote_ip, tech_pvt->remote_port);
if (!switch_test_flag(tech_pvt, TFLAG_CODEC_READY)) {
if (!tech_pvt->num_codecs) {
get_codecs(tech_pvt);
if (!tech_pvt->num_codecs) {
if (!(tech_pvt->rtp_session = switch_rtp_new(tech_pvt->profile->ip,
tech_pvt->local_port,
tech_pvt->remote_ip,
tech_pvt->remote_port,
tech_pvt->codec_num,
tech_pvt->read_codec.implementation->encoded_bytes_per_frame,
tech_pvt->read_codec.implementation->microseconds_per_frame,
SWITCH_RTP_FLAG_USE_TIMER,
NULL,
&err, switch_core_session_get_pool(tech_pvt->session)))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "RTP ERROR %s\n", err);
switch_channel_hangup(channel);
switch_set_flag(tech_pvt, TFLAG_BYE);
switch_clear_flag(tech_pvt, TFLAG_IO);
return NULL;
}
return -1;
}
switch_rtp_activate_ice(tech_pvt->rtp_session, tech_pvt->remote_user, tech_pvt->local_user);
if (tech_pvt->codec_index < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Don't have my codec yet here's one\n");
tech_pvt->codec_name = tech_pvt->codecs[0]->iananame;
tech_pvt->codec_num = tech_pvt->codecs[0]->ianacode;
tech_pvt->codec_index = 0;
switch_set_flag(tech_pvt, TFLAG_CODEC_READY);
return 0;
}
payloads[0].name = tech_pvt->codecs[0]->iananame;
payloads[0].id = tech_pvt->codecs[0]->ianacode;
} else {
payloads[0].name = tech_pvt->codecs[tech_pvt->codec_index]->iananame;
payloads[0].id = tech_pvt->codecs[tech_pvt->codec_index]->ianacode;
}
switch_set_flag(tech_pvt, TFLAG_CODEC_READY);
payloads[0].name = tech_pvt->codecs[0]->iananame;
payloads[0].id = tech_pvt->codecs[0]->ianacode;
tech_pvt->desc_id = ldl_session_describe(tech_pvt->dlsession, payloads, 1,
switch_test_flag(tech_pvt, TFLAG_OUTBOUND) ? LDL_DESCRIPTION_INITIATE : LDL_DESCRIPTION_ACCEPT);
}
if (! switch_test_flag(tech_pvt, TFLAG_RTP_READY)) {
static int do_candidates(struct private_object *tech_pvt, int force)
{
switch_channel *channel = switch_core_session_get_channel(tech_pvt->session);
assert(channel != NULL);
tech_pvt->next_cand += DL_CAND_WAIT;
if (force || !switch_test_flag(tech_pvt, TFLAG_RTP_READY)) {
ldl_candidate_t cand[1];
char *advip = tech_pvt->profile->extip ? tech_pvt->profile->extip : tech_pvt->profile->ip;
char *err;
memset(cand, 0, sizeof(cand));
switch_stun_random_string(tech_pvt->local_user, 16, NULL);
switch_stun_random_string(tech_pvt->local_pass, 16, NULL);
cand[0].port = tech_pvt->local_port;
......@@ -316,7 +316,7 @@ static void *SWITCH_THREAD_FUNC negotiate_thread_run(switch_thread *thread, void
if (!stun_ip) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Stun Failed! NO STUN SERVER!\n");
switch_channel_hangup(channel);
break;
return -1;
}
cand[0].address = tech_pvt->profile->ip;
......@@ -329,7 +329,7 @@ static void *SWITCH_THREAD_FUNC negotiate_thread_run(switch_thread *thread, void
switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Stun Failed! %s:%d [%s]\n", stun_ip, SWITCH_STUN_DEFAULT_PORT, err);
switch_channel_hangup(channel);
break;
return -1;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Stun Success %s:%d\n", cand[0].address, cand[0].port);
}
......@@ -342,87 +342,134 @@ static void *SWITCH_THREAD_FUNC negotiate_thread_run(switch_thread *thread, void
cand[0].name = "rtp";
cand[0].username = tech_pvt->local_user;
cand[0].password = tech_pvt->local_user;
cand[0].password = tech_pvt->local_pass;
cand[0].pref = 1;
cand[0].protocol = "udp";
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Send Candidate %s:%d [%s]\n", cand[0].address, cand[0].port, cand[0].username);
tech_pvt->cand_id = ldl_session_candidates(tech_pvt->dlsession, cand, 1);
switch_set_flag(tech_pvt, TFLAG_RTP_READY);
}
}
if (elapsed > 60000) {
return 0;
}
static int do_describe(struct private_object *tech_pvt, int force)
{
ldl_payload_t payloads[5];
switch_channel *channel = switch_core_session_get_channel(tech_pvt->session);
assert(channel != NULL);
tech_pvt->next_desc += DL_CAND_WAIT;
memset(payloads, 0, sizeof(payloads));
if (!tech_pvt->num_codecs) {
get_codecs(tech_pvt);
if (!tech_pvt->num_codecs) {
switch_channel_hangup(channel);
switch_set_flag(tech_pvt, TFLAG_BYE);
switch_clear_flag(tech_pvt, TFLAG_IO);
return NULL;
return -1;
}
if (switch_test_flag(tech_pvt, TFLAG_BYE) || ! switch_test_flag(tech_pvt, TFLAG_IO)) {
return NULL;
}
switch_yield(1000);
//printf("WAIT %s %d %d %d\n", switch_channel_get_name(channel), switch_test_flag(tech_pvt, TFLAG_INIT), switch_test_flag(tech_pvt, TFLAG_CODEC_READY), switch_test_flag(tech_pvt, TFLAG_RTP_READY));
if (force || !switch_test_flag(tech_pvt, TFLAG_CODEC_READY)) {
if (tech_pvt->codec_index < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Don't have my codec yet here's one\n");
tech_pvt->codec_name = tech_pvt->codecs[0]->iananame;
tech_pvt->codec_num = tech_pvt->codecs[0]->ianacode;
tech_pvt->codec_index = 0;
payloads[0].name = tech_pvt->codecs[0]->iananame;
payloads[0].id = tech_pvt->codecs[0]->ianacode;
} else {
payloads[0].name = tech_pvt->codecs[tech_pvt->codec_index]->iananame;
payloads[0].id = tech_pvt->codecs[tech_pvt->codec_index]->ianacode;
}
if (switch_channel_get_state(channel) >= CS_HANGUP || switch_test_flag(tech_pvt, TFLAG_BYE)) {
return NULL;
payloads[0].name = tech_pvt->codecs[0]->iananame;
payloads[0].id = tech_pvt->codecs[0]->ianacode;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Send Describe [%s]\n", payloads[0].name);
tech_pvt->desc_id = ldl_session_describe(tech_pvt->dlsession, payloads, 1,
switch_test_flag(tech_pvt, TFLAG_OUTBOUND) ? LDL_DESCRIPTION_INITIATE : LDL_DESCRIPTION_ACCEPT);
switch_set_flag(tech_pvt, TFLAG_CODEC_READY);
}
if (switch_core_codec_init(&tech_pvt->read_codec,
tech_pvt->codec_name,
8000,
20,
1,
SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
NULL, switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Can't load codec?\n");
switch_channel_hangup(channel);
return NULL;
return 0;
}
static void *SWITCH_THREAD_FUNC negotiate_thread_run(switch_thread *thread, void *obj)
{
switch_core_session *session = obj;
switch_channel *channel;
struct private_object *tech_pvt = NULL;
switch_time_t started;
switch_time_t now;
unsigned int elapsed;
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
switch_set_flag(tech_pvt, TFLAG_IO);
started = switch_time_now();
if (switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) {
tech_pvt->next_desc = switch_time_now();
} else {
tech_pvt->next_cand = switch_time_now() + DL_CAND_WAIT;
tech_pvt->next_desc = switch_time_now() + DL_CAND_WAIT;
}
tech_pvt->read_frame.rate = tech_pvt->read_codec.implementation->samples_per_second;
tech_pvt->read_frame.codec = &tech_pvt->read_codec;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Set Read Codec to %s\n", tech_pvt->codec_name);
while(! (switch_test_flag(tech_pvt, TFLAG_CODEC_READY) &&
switch_test_flag(tech_pvt, TFLAG_RTP_READY) &&
switch_test_flag(tech_pvt, TFLAG_ANSWER) &&
switch_test_flag(tech_pvt, TFLAG_TRANSPORT))) {
now = switch_time_now();
elapsed = (unsigned int)((now - started) / 1000);
if (switch_core_codec_init(&tech_pvt->write_codec,
tech_pvt->codec_name,
8000,
20,
1,
SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
NULL, switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Can't load codec?\n");
switch_channel_hangup(channel);
if (switch_channel_get_state(channel) >= CS_HANGUP || switch_test_flag(tech_pvt, TFLAG_BYE)) {
return NULL;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Set Write Codec to %s\n", tech_pvt->codec_name);
switch_core_session_set_read_codec(session, &tech_pvt->read_codec);
switch_core_session_set_write_codec(session, &tech_pvt->write_codec);
if (!tech_pvt->rtp_session) {
const char *err;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SETUP RTP %s:%d -> %s:%d\n", tech_pvt->profile->ip, tech_pvt->local_port, tech_pvt->remote_ip, tech_pvt->remote_port);
if (now >= tech_pvt->next_desc) {
if (do_describe(tech_pvt, 0) < 0) {
break;
}
}
if (!(tech_pvt->rtp_session = switch_rtp_new(tech_pvt->profile->ip,
tech_pvt->local_port,
tech_pvt->remote_ip,
tech_pvt->remote_port,
tech_pvt->codec_num,
tech_pvt->read_codec.implementation->encoded_bytes_per_frame,
tech_pvt->read_codec.implementation->microseconds_per_frame,
SWITCH_RTP_FLAG_USE_TIMER,
NULL,
&err, switch_core_session_get_pool(tech_pvt->session)))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "RTP ERROR %s\n", err);
if (tech_pvt->next_cand && now >= tech_pvt->next_cand) {
if (do_candidates(tech_pvt, 0) < 0) {
break;
}
}
if (elapsed > 60000) {
switch_channel_hangup(channel);
switch_set_flag(tech_pvt, TFLAG_BYE);
switch_clear_flag(tech_pvt, TFLAG_IO);
return NULL;
}
switch_rtp_activate_ice(tech_pvt->rtp_session, tech_pvt->remote_user, tech_pvt->local_user);
if (switch_test_flag(tech_pvt, TFLAG_BYE) || ! switch_test_flag(tech_pvt, TFLAG_IO)) {
return NULL;
}
switch_yield(1000);
//printf("WAIT %s %d %d %d %d\n", switch_channel_get_name(channel), switch_test_flag(tech_pvt, TFLAG_TRANSPORT), switch_test_flag(tech_pvt, TFLAG_CODEC_READY), switch_test_flag(tech_pvt, TFLAG_RTP_READY), switch_test_flag(tech_pvt, TFLAG_ANSWER));
}
if (switch_channel_get_state(channel) >= CS_HANGUP || switch_test_flag(tech_pvt, TFLAG_BYE)) {
return NULL;
}
//printf("WAIT %s %d\n", switch_channel_get_name(channel), switch_test_flag(tech_pvt, TFLAG_OUTBOUND));
activate_rtp(tech_pvt);
if (switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) {
do_candidates(tech_pvt, 0);
switch_channel_answer(channel);
//printf("***************************ANSWER\n");
} else {
......@@ -966,7 +1013,7 @@ static switch_status channel_outgoing_channel(switch_core_session *session, swit
ldl_session_set_private(dlsession, *new_session);
tech_pvt->dlsession = dlsession;
get_codecs(tech_pvt);
tech_pvt->desc_id = ldl_session_describe(dlsession, NULL, 0, LDL_DESCRIPTION_INITIATE);
//tech_pvt->desc_id = ldl_session_describe(dlsession, NULL, 0, LDL_DESCRIPTION_INITIATE);
negotiate_thread_launch(*new_session);
return SWITCH_STATUS_SUCCESS;
......@@ -1181,6 +1228,7 @@ static ldl_status handle_signalling(ldl_handle_t *handle, ldl_session_t *dlsessi
tech_pvt->codec_index = -1;
tech_pvt->profile = profile;
tech_pvt->local_port = switch_rtp_request_port();
switch_set_flag(tech_pvt, TFLAG_ANSWER);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Hey where is my memory pool?\n");
switch_core_session_destroy(&session);
......@@ -1231,6 +1279,12 @@ static ldl_status handle_signalling(ldl_handle_t *handle, ldl_session_t *dlsessi
ldl_payload_t *payloads;
unsigned int len = 0;
if (switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) {
if (!strcasecmp(msg, "accept")) {
switch_set_flag(tech_pvt, TFLAG_ANSWER);
do_candidates(tech_pvt, 0);
}
}
if (tech_pvt->codec_index > -1) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Already decided on a codec\n");
......@@ -1244,6 +1298,7 @@ static ldl_status handle_signalling(ldl_handle_t *handle, ldl_session_t *dlsessi
}
}
if (ldl_session_get_payloads(dlsession, &payloads, &len) == LDL_STATUS_SUCCESS) {
unsigned int x, y;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%u payloads\n", len);
......@@ -1255,13 +1310,17 @@ static ldl_status handle_signalling(ldl_handle_t *handle, ldl_session_t *dlsessi
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Choosing Payload index %u %s %u\n", y, payloads[x].name, payloads[x].id);
tech_pvt->codec_name = tech_pvt->codecs[y]->iananame;
tech_pvt->codec_num = tech_pvt->codecs[y]->ianacode;
switch_set_flag(tech_pvt, TFLAG_CODEC_READY);
if (!switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) {
do_describe(tech_pvt, 0);
}
return LDL_STATUS_SUCCESS;
}
}
}
}
}
break;
case LDL_SIGNAL_CANDIDATES:
if (signal) {
......@@ -1301,7 +1360,6 @@ static ldl_status handle_signalling(ldl_handle_t *handle, ldl_session_t *dlsessi
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Acceptable Candidate %s:%d\n", candidates[x].address, candidates[x].port);
if (!tech_pvt->num_codecs) {
get_codecs(tech_pvt);
if (!tech_pvt->num_codecs) {
......@@ -1313,8 +1371,11 @@ static ldl_status handle_signalling(ldl_handle_t *handle, ldl_session_t *dlsessi
ldl_session_set_ip(dlsession, tech_pvt->remote_ip);
tech_pvt->remote_port = candidates[x].port;
tech_pvt->remote_user = switch_core_session_strdup(session, candidates[x].username);
switch_set_flag(tech_pvt, TFLAG_INIT);
tech_pvt->next_cand = switch_time_now();
if (!switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) {
do_candidates(tech_pvt, 0);
}
switch_set_flag(tech_pvt, TFLAG_TRANSPORT);
return LDL_STATUS_SUCCESS;
}
}
......
src/switch_rtp.c
浏览文件 @ fd7bf0ea
......@@ -155,8 +155,8 @@ static void handle_ice(switch_rtp *rtp_session, void *data, switch_size_t len)
}
} while (switch_stun_packet_next_attribute(attr));
if (packet->header.type == SWITCH_STUN_BINDING_REQUEST) {// && !strcmp(rtp_session->user_ice, username)) {
//printf("[%s] [%s] [%s]\n", rtp_session->user_ice, username, !strcmp(rtp_session->user_ice, username) ? "yes" : "no");
if ((packet->header.type == SWITCH_STUN_BINDING_REQUEST) && !strcmp(rtp_session->user_ice, username)) {
uint8_t buf[512];
switch_stun_packet_t *rpacket;
char *remote_ip;
......
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