Skinny: helper script: test-skinny.pl

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16761 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Mathieu Parent 2010-02-24 11:59:41 +00:00
parent bcf4a9277a
commit a4d9fa2654
2 changed files with 587 additions and 161 deletions

View File

@ -43,54 +43,86 @@ SWITCH_MODULE_DEFINITION(mod_skinny, mod_skinny_load, mod_skinny_shutdown, mod_s
switch_endpoint_interface_t *skinny_endpoint_interface; switch_endpoint_interface_t *skinny_endpoint_interface;
static switch_memory_pool_t *module_pool = NULL; static switch_memory_pool_t *module_pool = NULL;
static int running = 1;
static struct { struct skinny_profile {
/* prefs */ /* prefs */
int debug; char *name;
char *domain; char *domain;
char *ip; char *ip;
unsigned int port; unsigned int port;
char *dialplan; char *dialplan;
uint32_t keep_alive;
char date_format[6];
/* db */
char *dbname;
char *odbc_dsn;
char *odbc_user;
char *odbc_pass;
switch_odbc_handle_t *master_odbc;
/* listener */
int listener_threads;
switch_mutex_t *listener_mutex;
switch_socket_t *sock;
switch_mutex_t *sock_mutex;
struct listener *listeners;
uint8_t listener_ready;
};
typedef struct skinny_profile skinny_profile_t;
struct skinny_globals {
/* prefs */
int debug;
char *codec_string; char *codec_string;
char *codec_order[SWITCH_MAX_CODECS]; char *codec_order[SWITCH_MAX_CODECS];
int codec_order_last; int codec_order_last;
char *codec_rates_string; char *codec_rates_string;
char *codec_rates[SWITCH_MAX_CODECS]; char *codec_rates[SWITCH_MAX_CODECS];
int codec_rates_last; int codec_rates_last;
uint32_t keep_alive; unsigned int flags;
char date_format[6];
/* data */ /* data */
switch_event_node_t *heartbeat_node;
unsigned int flags;
int calls; int calls;
switch_mutex_t *mutex; switch_mutex_t *calls_mutex;
switch_mutex_t *listener_mutex; switch_hash_t *profile_hash;
int listener_threads; switch_event_node_t *heartbeat_node;
} globals; int running;
struct private_object {
unsigned int flags;
switch_codec_t read_codec;
switch_codec_t write_codec;
switch_frame_t read_frame;
unsigned char databuf[SWITCH_RECOMMENDED_BUFFER_SIZE];
switch_core_session_t *session;
switch_caller_profile_t *caller_profile;
switch_mutex_t *mutex;
switch_mutex_t *flag_mutex;
//switch_thread_cond_t *cond;
}; };
typedef struct skinny_globals skinny_globals_t;
typedef struct private_object private_t; static skinny_globals_t globals;
SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_domain, globals.domain);
SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_ip, globals.ip);
SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_dialplan, globals.dialplan);
SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_codec_string, globals.codec_string); SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_codec_string, globals.codec_string);
SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_codec_rates_string, globals.codec_rates_string); SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_codec_rates_string, globals.codec_rates_string);
/*****************************************************************************/
/* SQL TYPES */
/*****************************************************************************/
static char devices_sql[] =
"CREATE TABLE skinny_devices (\n"
" device_name VARCHAR(16),\n"
" user_id INTEGER,\n"
" instance INTEGER,\n"
" ip VARCHAR(255),\n"
" device_type INTEGER,\n"
" max_streams INTEGER,\n"
" port INTEGER,\n"
" codec_string VARCHAR(255)\n"
");\n";
static char lines_sql[] =
"CREATE TABLE skinny_lines (\n"
" device_name VARCHAR(16),\n"
" line_name VARCHAR(24),\n"
" line_shortname VARCHAR(40),\n"
" line_displayname VARCHAR(44)\n"
");\n";
static char speed_sql[] =
"CREATE TABLE skinny_speeddials (\n"
" device_name VARCHAR(16),\n"
" speed_number VARCHAR(24),\n"
" speed_displayname VARCHAR(40)\n"
");\n";
/*****************************************************************************/ /*****************************************************************************/
/* CHANNEL TYPES */ /* CHANNEL TYPES */
/*****************************************************************************/ /*****************************************************************************/
@ -111,6 +143,21 @@ typedef enum {
GFLAG_MY_CODEC_PREFS = (1 << 0) GFLAG_MY_CODEC_PREFS = (1 << 0)
} GFLAGS; } GFLAGS;
struct private_object {
unsigned int flags;
switch_codec_t read_codec;
switch_codec_t write_codec;
switch_frame_t read_frame;
unsigned char databuf[SWITCH_RECOMMENDED_BUFFER_SIZE];
switch_core_session_t *session;
switch_caller_profile_t *caller_profile;
switch_mutex_t *mutex;
switch_mutex_t *flag_mutex;
//switch_thread_cond_t *cond;
};
typedef struct private_object private_t;
/*****************************************************************************/ /*****************************************************************************/
/* SKINNY MESSAGE TYPES */ /* SKINNY MESSAGE TYPES */
/*****************************************************************************/ /*****************************************************************************/
@ -234,8 +281,8 @@ typedef struct skinny_line skinny_line_t;
#define SKINNY_MAX_SPEEDDIALS 20 #define SKINNY_MAX_SPEEDDIALS 20
struct skinny_speeddial { struct skinny_speeddial {
struct skinny_device_t *device; struct skinny_device_t *device;
char number[24]; char line[24];
char displayname[40]; char label[40];
}; };
typedef struct skinny_speeddial skinny_speeddial_t; typedef struct skinny_speeddial skinny_speeddial_t;
@ -308,7 +355,9 @@ typedef enum {
} event_flag_t; } event_flag_t;
struct listener { struct listener {
skinny_device_t *device; skinny_profile_t *profile;
skinny_device_t *device; /* TODO -> SQL */
switch_socket_t *sock; switch_socket_t *sock;
switch_memory_pool_t *pool; switch_memory_pool_t *pool;
switch_core_session_t *session; switch_core_session_t *session;
@ -327,13 +376,6 @@ typedef struct listener listener_t;
typedef switch_status_t (*skinny_listener_callback_func_t) (listener_t *listener, void *pvt); typedef switch_status_t (*skinny_listener_callback_func_t) (listener_t *listener, void *pvt);
static struct {
switch_socket_t *sock;
switch_mutex_t *sock_mutex;
listener_t *listeners;
uint8_t ready;
} listen_list;
/*****************************************************************************/ /*****************************************************************************/
/* FUNCTIONS */ /* FUNCTIONS */
/*****************************************************************************/ /*****************************************************************************/
@ -360,6 +402,81 @@ static switch_status_t skinny_send_reply(listener_t *listener, skinny_message_t
/* LISTENER FUNCTIONS */ /* LISTENER FUNCTIONS */
static switch_status_t keepalive_listener(listener_t *listener, void *pvt); static switch_status_t keepalive_listener(listener_t *listener, void *pvt);
/*****************************************************************************/
/* SQL FUNCTIONS */
/*****************************************************************************/
static void skinny_execute_sql(skinny_profile_t *profile, char *sql, switch_mutex_t *mutex)
{
switch_core_db_t *db;
if (mutex) {
switch_mutex_lock(mutex);
}
if (switch_odbc_available() && profile->odbc_dsn) {
switch_odbc_statement_handle_t stmt;
if (switch_odbc_handle_exec(profile->master_odbc, sql, &stmt) != SWITCH_ODBC_SUCCESS) {
char *err_str;
err_str = switch_odbc_handle_get_error(profile->master_odbc, stmt);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "ERR: [%s]\n[%s]\n", sql, switch_str_nil(err_str));
switch_safe_free(err_str);
}
switch_odbc_statement_handle_free(&stmt);
} else {
if (!(db = switch_core_db_open_file(profile->dbname))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB %s\n", profile->dbname);
goto end;
}
switch_core_db_persistant_execute(db, sql, 1);
switch_core_db_close(db);
}
end:
if (mutex) {
switch_mutex_unlock(mutex);
}
}
static switch_bool_t skinny_execute_sql_callback(skinny_profile_t *profile,
switch_mutex_t *mutex, char *sql, switch_core_db_callback_func_t callback, void *pdata)
{
switch_bool_t ret = SWITCH_FALSE;
switch_core_db_t *db;
char *errmsg = NULL;
if (mutex) {
switch_mutex_lock(mutex);
}
if (switch_odbc_available() && profile->odbc_dsn) {
switch_odbc_handle_callback_exec(profile->master_odbc, sql, callback, pdata, NULL);
} else {
if (!(db = switch_core_db_open_file(profile->dbname))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB %s\n", profile->dbname);
goto end;
}
switch_core_db_exec(db, sql, callback, pdata, &errmsg);
if (errmsg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQL ERR: [%s] %s\n", sql, errmsg);
free(errmsg);
}
if (db) {
switch_core_db_close(db);
}
}
end:
if (mutex) {
switch_mutex_unlock(mutex);
}
return ret;
}
/*****************************************************************************/ /*****************************************************************************/
/* CHANNEL FUNCTIONS */ /* CHANNEL FUNCTIONS */
/*****************************************************************************/ /*****************************************************************************/
@ -396,9 +513,9 @@ static switch_status_t channel_on_init(switch_core_session_t *session)
where a destination has been identified. If the channel is simply where a destination has been identified. If the channel is simply
left in the initial state, nothing will happen. */ left in the initial state, nothing will happen. */
switch_channel_set_state(channel, CS_ROUTING); switch_channel_set_state(channel, CS_ROUTING);
switch_mutex_lock(globals.mutex); switch_mutex_lock(globals.calls_mutex);
globals.calls++; globals.calls++;
switch_mutex_unlock(globals.mutex); switch_mutex_unlock(globals.calls_mutex);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s CHANNEL INIT\n", switch_channel_get_name(channel)); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s CHANNEL INIT\n", switch_channel_get_name(channel));
@ -482,12 +599,12 @@ static switch_status_t channel_on_hangup(switch_core_session_t *session)
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s CHANNEL HANGUP\n", switch_channel_get_name(channel)); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s CHANNEL HANGUP\n", switch_channel_get_name(channel));
switch_mutex_lock(globals.mutex); switch_mutex_lock(globals.calls_mutex);
globals.calls--; globals.calls--;
if (globals.calls < 0) { if (globals.calls < 0) {
globals.calls = 0; globals.calls = 0;
} }
switch_mutex_unlock(globals.mutex); switch_mutex_unlock(globals.calls_mutex);
return SWITCH_STATUS_SUCCESS; return SWITCH_STATUS_SUCCESS;
} }
@ -837,13 +954,13 @@ static switch_status_t skinny_read_packet(listener_t *listener, skinny_message_t
return SWITCH_STATUS_MEMERR; return SWITCH_STATUS_MEMERR;
} }
if (!running) { if (!globals.running) {
return SWITCH_STATUS_FALSE; return SWITCH_STATUS_FALSE;
} }
ptr = mbuf; ptr = mbuf;
while (listener->sock && running) { while (listener->sock && globals.running) {
uint8_t do_sleep = 1; uint8_t do_sleep = 1;
if(bytes < SKINNY_MESSAGE_FIELD_SIZE) { if(bytes < SKINNY_MESSAGE_FIELD_SIZE) {
/* We have nothing yet, get length header field */ /* We have nothing yet, get length header field */
@ -855,7 +972,7 @@ static switch_status_t skinny_read_packet(listener_t *listener, skinny_message_t
status = switch_socket_recv(listener->sock, ptr, &mlen); status = switch_socket_recv(listener->sock, ptr, &mlen);
if (!running || (!SWITCH_STATUS_IS_BREAK(status) && status != SWITCH_STATUS_SUCCESS)) { if (!globals.running || (!SWITCH_STATUS_IS_BREAK(status) && status != SWITCH_STATUS_SUCCESS)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Socket break.\n"); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Socket break.\n");
return SWITCH_STATUS_FALSE; return SWITCH_STATUS_FALSE;
} }
@ -928,9 +1045,17 @@ static switch_status_t skinny_handle_register(listener_t *listener, skinny_messa
switch_status_t status = SWITCH_STATUS_FALSE; switch_status_t status = SWITCH_STATUS_FALSE;
skinny_message_t *message; skinny_message_t *message;
skinny_device_t *device; skinny_device_t *device;
skinny_profile_t *profile;
switch_event_t *event = NULL; switch_event_t *event = NULL;
switch_event_t *params = NULL; switch_event_t *params = NULL;
switch_xml_t xml = NULL, domain, group, users, user; switch_xml_t xroot, xdomain, xgroup, xuser, xskinny, xlines, xline, xspeeddials, xspeeddial;
assert(listener->profile);
profile = listener->profile;
skinny_execute_sql(profile, "select * from skinny_devices", profile->listener_mutex);
skinny_execute_sql_callback(profile, profile->listener_mutex,
"select * from skinny_devices", NULL, profile);
if(listener->device) { if(listener->device) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
@ -952,15 +1077,16 @@ static switch_status_t skinny_handle_register(listener_t *listener, skinny_messa
device->maxStreams = request->data.reg.maxStreams; device->maxStreams = request->data.reg.maxStreams;
device->codec_string = realloc(device->codec_string, 1); device->codec_string = realloc(device->codec_string, 1);
device->codec_string[0] = '\0'; device->codec_string[0] = '\0';
device->line_last = 0;
/* Check directory */ /* Check directory */
skinny_device_event(listener, &params, SWITCH_EVENT_REQUEST_PARAMS, SWITCH_EVENT_SUBCLASS_ANY); skinny_device_event(listener, &params, SWITCH_EVENT_REQUEST_PARAMS, SWITCH_EVENT_SUBCLASS_ANY);
switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "action", "skinny-auth"); switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "action", "skinny-auth");
if (switch_xml_locate_group(device->deviceName, globals.domain, &xml, &domain, &group, params) != SWITCH_STATUS_SUCCESS) { if (switch_xml_locate_user("id", device->deviceName, profile->domain, "", &xroot, &xdomain, &xuser, &xgroup, params) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Can't find device [%s@%s]\n" switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Can't find device [%s@%s]\n"
"You must define a domain called '%s' in your directory and add a group with the name=\"%s\" attribute.\n" "You must define a domain called '%s' in your directory and add a user with id=\"%s\".\n"
, device->deviceName, globals.domain, globals.domain, device->deviceName); , device->deviceName, profile->domain, profile->domain, device->deviceName);
message = switch_core_alloc(listener->pool, 12+sizeof(message->data.reg_rej)); message = switch_core_alloc(listener->pool, 12+sizeof(message->data.reg_rej));
message->type = REGISTER_REJ_MESSAGE; message->type = REGISTER_REJ_MESSAGE;
message->length = 4 + sizeof(message->data.reg_rej); message->length = 4 + sizeof(message->data.reg_rej);
@ -969,17 +1095,33 @@ static switch_status_t skinny_handle_register(listener_t *listener, skinny_messa
return SWITCH_STATUS_FALSE; return SWITCH_STATUS_FALSE;
goto end; goto end;
} }
users = switch_xml_child(group, "users"); xskinny = switch_xml_child(xuser, "skinny");
device->line_last = 0; if (xskinny) {
if(users) { xlines = switch_xml_child(xskinny, "lines");
for (user = switch_xml_child(users, "user"); user; user = user->next) { if (xlines) {
const char *id = switch_xml_attr_soft(user, "id"); for (xline = switch_xml_child(xlines, "line"); xline; xline = xline->next) {
//const char *type = switch_xml_attr_soft(user, "type"); //TODO const char *position = switch_xml_attr_soft(xline, "position");
//TODO device->line[device->line_last].device = *device; const char *name = switch_xml_attr_soft(xline, "name");
strcpy(device->line[device->line_last].name, id); const char *shortname = switch_xml_attr_soft(xline, "shortname");
strcpy(device->line[device->line_last].shortname, id); const char *displayname = switch_xml_attr_soft(xline, "displayname");
strcpy(device->line[device->line_last].displayname, id); //TODO device->line[device->line_last].device = *device;
device->line_last++; strcpy(device->line[device->line_last].name, name);
strcpy(device->line[device->line_last].shortname, shortname);
strcpy(device->line[device->line_last].displayname, displayname);
device->line_last++;
}
}
xspeeddials = switch_xml_child(xskinny, "speed-dials");
if (xspeeddials) {
for (xspeeddial = switch_xml_child(xspeeddials, "speed-dial"); xspeeddial; xspeeddial = xspeeddial->next) {
//TODO const char *position = switch_xml_attr_soft(xspeeddial, "position");
const char *line = switch_xml_attr_soft(xspeeddial, "line");
const char *label = switch_xml_attr_soft(xspeeddial, "label");
//TODO device->speeddial[device->speeddial_last].device = *device;
strcpy(device->speeddial[device->speeddial_last].line, line);
strcpy(device->speeddial[device->speeddial_last].label, label);
device->speeddial_last++;
}
} }
} }
@ -990,9 +1132,9 @@ static switch_status_t skinny_handle_register(listener_t *listener, skinny_messa
message = switch_core_alloc(listener->pool, 12+sizeof(message->data.reg_ack)); message = switch_core_alloc(listener->pool, 12+sizeof(message->data.reg_ack));
message->type = REGISTER_ACK_MESSAGE; message->type = REGISTER_ACK_MESSAGE;
message->length = 4 + sizeof(message->data.reg_ack); message->length = 4 + sizeof(message->data.reg_ack);
message->data.reg_ack.keepAlive = globals.keep_alive; message->data.reg_ack.keepAlive = profile->keep_alive;
memcpy(message->data.reg_ack.dateFormat, globals.date_format, 6); memcpy(message->data.reg_ack.dateFormat, profile->date_format, 6);
message->data.reg_ack.secondaryKeepAlive = globals.keep_alive; message->data.reg_ack.secondaryKeepAlive = profile->keep_alive;
skinny_send_reply(listener, message); skinny_send_reply(listener, message);
/* Send CapabilitiesReqMessage */ /* Send CapabilitiesReqMessage */
@ -1173,41 +1315,58 @@ static switch_status_t skinny_free_message(skinny_message_t *message)
static void add_listener(listener_t *listener) static void add_listener(listener_t *listener)
{ {
switch_mutex_lock(globals.listener_mutex); skinny_profile_t *profile;
listener->next = listen_list.listeners; switch_assert(listener);
listen_list.listeners = listener; assert(listener->profile);
switch_mutex_unlock(globals.listener_mutex); profile = listener->profile;
switch_mutex_lock(profile->listener_mutex);
listener->next = profile->listeners;
profile->listeners = listener;
switch_mutex_unlock(profile->listener_mutex);
} }
static void remove_listener(listener_t *listener) static void remove_listener(listener_t *listener)
{ {
listener_t *l, *last = NULL; listener_t *l, *last = NULL;
skinny_profile_t *profile;
switch_assert(listener);
assert(listener->profile);
profile = listener->profile;
switch_mutex_lock(globals.listener_mutex); switch_mutex_lock(profile->listener_mutex);
for (l = listen_list.listeners; l; l = l->next) { for (l = profile->listeners; l; l = l->next) {
if (l == listener) { if (l == listener) {
if (last) { if (last) {
last->next = l->next; last->next = l->next;
} else { } else {
listen_list.listeners = l->next; profile->listeners = l->next;
} }
} }
last = l; last = l;
} }
switch_mutex_unlock(globals.listener_mutex); switch_mutex_unlock(profile->listener_mutex);
} }
static void walk_listeners(skinny_listener_callback_func_t callback, void *pvt) static void walk_listeners(skinny_listener_callback_func_t callback, void *pvt)
{ {
switch_hash_index_t *hi;
void *val;
skinny_profile_t *profile;
listener_t *l; listener_t *l;
/* walk listeners */
for (hi = switch_hash_first(NULL, globals.profile_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, NULL, NULL, &val);
profile = (skinny_profile_t *) val;
switch_mutex_lock(globals.listener_mutex); switch_mutex_lock(profile->listener_mutex);
for (l = listen_list.listeners; l; l = l->next) { for (l = profile->listeners; l; l = l->next) {
callback(l, pvt); callback(l, pvt);
}
switch_mutex_unlock(profile->listener_mutex);
} }
switch_mutex_unlock(globals.listener_mutex);
} }
static void flush_listener(listener_t *listener, switch_bool_t flush_log, switch_bool_t flush_events) static void flush_listener(listener_t *listener, switch_bool_t flush_log, switch_bool_t flush_events)
@ -1218,22 +1377,34 @@ static void flush_listener(listener_t *listener, switch_bool_t flush_log, switch
static listener_t *find_listener(char *device_name) static listener_t *find_listener(char *device_name)
{ {
switch_hash_index_t *hi;
void *val;
skinny_profile_t *profile;
listener_t *l, *r = NULL; listener_t *l, *r = NULL;
skinny_device_t *device; skinny_device_t *device;
/* walk listeners */
for (hi = switch_hash_first(NULL, globals.profile_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, NULL, NULL, &val);
profile = (skinny_profile_t *) val;
switch_mutex_lock(globals.listener_mutex); switch_mutex_lock(profile->listener_mutex);
for (l = listen_list.listeners; l; l = l->next) { for (l = profile->listeners; l; l = l->next) {
if (l->device) { if (l->device) {
device = l->device; device = l->device;
if(!strcasecmp(device->deviceName,device_name)) { if(!strcasecmp(device->deviceName,device_name)) {
if (switch_thread_rwlock_tryrdlock(l->rwlock) == SWITCH_STATUS_SUCCESS) { if (switch_thread_rwlock_tryrdlock(l->rwlock) == SWITCH_STATUS_SUCCESS) {
r = l; r = l;
}
break;
} }
break;
} }
} }
switch_mutex_unlock(profile->listener_mutex);
if(r) {
break;
}
} }
switch_mutex_unlock(globals.listener_mutex);
return r; return r;
} }
@ -1260,13 +1431,17 @@ static switch_status_t dump_listener(listener_t *listener, void *pvt)
static void close_socket(switch_socket_t **sock) static void close_socket(switch_socket_t **sock)
{ {
switch_mutex_lock(listen_list.sock_mutex); /* TODO
switch_mutex_lock(profile->sock_mutex);
*/
if (*sock) { if (*sock) {
switch_socket_shutdown(*sock, SWITCH_SHUTDOWN_READWRITE); switch_socket_shutdown(*sock, SWITCH_SHUTDOWN_READWRITE);
switch_socket_close(*sock); switch_socket_close(*sock);
*sock = NULL; *sock = NULL;
} }
switch_mutex_unlock(listen_list.sock_mutex); /* TODO
switch_mutex_unlock(profile->sock_mutex);
*/
} }
static switch_status_t kill_listener(listener_t *listener, void *pvt) static switch_status_t kill_listener(listener_t *listener, void *pvt)
@ -1292,9 +1467,12 @@ static switch_status_t kill_expired_listener(listener_t *listener, void *pvt)
static switch_status_t keepalive_listener(listener_t *listener, void *pvt) static switch_status_t keepalive_listener(listener_t *listener, void *pvt)
{ {
skinny_profile_t *profile;
switch_assert(listener); switch_assert(listener);
assert(listener->profile);
profile = listener->profile;
listener->expire_time = switch_epoch_time_now(NULL)+globals.keep_alive*110/100; listener->expire_time = switch_epoch_time_now(NULL)+profile->keep_alive*110/100;
return SWITCH_STATUS_SUCCESS; return SWITCH_STATUS_SUCCESS;
} }
@ -1307,10 +1485,14 @@ static void *SWITCH_THREAD_FUNC listener_run(switch_thread_t *thread, void *obj)
switch_channel_t *channel = NULL; switch_channel_t *channel = NULL;
skinny_message_t *request = NULL; skinny_message_t *request = NULL;
skinny_message_t *reply = NULL; skinny_message_t *reply = NULL;
skinny_profile_t *profile;
switch_assert(listener);
assert(listener->profile);
profile = listener->profile;
switch_mutex_lock(globals.listener_mutex); switch_mutex_lock(profile->listener_mutex);
globals.listener_threads++; profile->listener_threads++;
switch_mutex_unlock(globals.listener_mutex); switch_mutex_unlock(profile->listener_mutex);
switch_assert(listener != NULL); switch_assert(listener != NULL);
@ -1337,7 +1519,7 @@ static void *SWITCH_THREAD_FUNC listener_run(switch_thread_t *thread, void *obj)
add_listener(listener); add_listener(listener);
while (running && switch_test_flag(listener, LFLAG_RUNNING) && listen_list.ready) { while (globals.running && switch_test_flag(listener, LFLAG_RUNNING) && profile->listener_ready) {
status = skinny_read_packet(listener, &request); status = skinny_read_packet(listener, &request);
if (status != SWITCH_STATUS_SUCCESS) { if (status != SWITCH_STATUS_SUCCESS) {
@ -1395,9 +1577,9 @@ static void *SWITCH_THREAD_FUNC listener_run(switch_thread_t *thread, void *obj)
switch_core_destroy_memory_pool(&pool); switch_core_destroy_memory_pool(&pool);
} }
switch_mutex_lock(globals.listener_mutex); switch_mutex_lock(profile->listener_mutex);
globals.listener_threads--; profile->listener_threads--;
switch_mutex_unlock(globals.listener_mutex); switch_mutex_unlock(profile->listener_mutex);
return NULL; return NULL;
} }
@ -1414,7 +1596,7 @@ static void launch_listener_thread(listener_t *listener)
switch_thread_create(&thread, thd_attr, listener_run, listener, listener->pool); switch_thread_create(&thread, thd_attr, listener_run, listener, listener->pool);
} }
int skinny_socket_create_and_bind() int skinny_socket_create_and_bind(skinny_profile_t *profile)
{ {
switch_status_t rv; switch_status_t rv;
switch_sockaddr_t *sa; switch_sockaddr_t *sa;
@ -1428,41 +1610,41 @@ int skinny_socket_create_and_bind()
return SWITCH_STATUS_TERM; return SWITCH_STATUS_TERM;
} }
while(running) { while(globals.running) {
rv = switch_sockaddr_info_get(&sa, globals.ip, SWITCH_INET, globals.port, 0, pool); rv = switch_sockaddr_info_get(&sa, profile->ip, SWITCH_INET, profile->port, 0, pool);
if (rv) if (rv)
goto fail; goto fail;
rv = switch_socket_create(&listen_list.sock, switch_sockaddr_get_family(sa), SOCK_STREAM, SWITCH_PROTO_TCP, pool); rv = switch_socket_create(&profile->sock, switch_sockaddr_get_family(sa), SOCK_STREAM, SWITCH_PROTO_TCP, pool);
if (rv) if (rv)
goto sock_fail; goto sock_fail;
rv = switch_socket_opt_set(listen_list.sock, SWITCH_SO_REUSEADDR, 1); rv = switch_socket_opt_set(profile->sock, SWITCH_SO_REUSEADDR, 1);
if (rv) if (rv)
goto sock_fail; goto sock_fail;
rv = switch_socket_bind(listen_list.sock, sa); rv = switch_socket_bind(profile->sock, sa);
if (rv) if (rv)
goto sock_fail; goto sock_fail;
rv = switch_socket_listen(listen_list.sock, 5); rv = switch_socket_listen(profile->sock, 5);
if (rv) if (rv)
goto sock_fail; goto sock_fail;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Socket up listening on %s:%u\n", globals.ip, globals.port); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Socket up listening on %s:%u\n", profile->ip, profile->port);
break; break;
sock_fail: sock_fail:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Socket Error! Could not listen on %s:%u\n", globals.ip, globals.port); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Socket Error! Could not listen on %s:%u\n", profile->ip, profile->port);
switch_yield(100000); switch_yield(100000);
} }
listen_list.ready = 1; profile->listener_ready = 1;
while(running) { while(globals.running) {
if (switch_core_new_memory_pool(&listener_pool) != SWITCH_STATUS_SUCCESS) { if (switch_core_new_memory_pool(&listener_pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "OH OH no pool\n"); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "OH OH no pool\n");
goto fail; goto fail;
} }
if ((rv = switch_socket_accept(&inbound_socket, listen_list.sock, listener_pool))) { if ((rv = switch_socket_accept(&inbound_socket, profile->sock, listener_pool))) {
if (!running) { if (!globals.running) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Shutting Down\n"); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Shutting Down\n");
goto end; goto end;
} else { } else {
@ -1488,6 +1670,7 @@ int skinny_socket_create_and_bind()
listener->pool = listener_pool; listener->pool = listener_pool;
listener_pool = NULL; listener_pool = NULL;
listener->device = NULL; listener->device = NULL;
listener->profile = profile;
switch_mutex_init(&listener->flag_mutex, SWITCH_MUTEX_NESTED, listener->pool); switch_mutex_init(&listener->flag_mutex, SWITCH_MUTEX_NESTED, listener->pool);
@ -1500,7 +1683,7 @@ int skinny_socket_create_and_bind()
end: end:
close_socket(&listen_list.sock); close_socket(&profile->sock);
if (pool) { if (pool) {
switch_core_destroy_memory_pool(&pool); switch_core_destroy_memory_pool(&pool);
@ -1518,33 +1701,56 @@ int skinny_socket_create_and_bind()
/*****************************************************************************/ /*****************************************************************************/
/* MODULE FUNCTIONS */ /* MODULE FUNCTIONS */
/*****************************************************************************/ /*****************************************************************************/
static void skinny_profile_set(skinny_profile_t *profile, char *var, char *val)
{
if (!var)
return;
if (!strcasecmp(var, "domain")) {
profile->domain = switch_core_strdup(module_pool, val);
} else if (!strcasecmp(var, "ip")) {
profile->ip = switch_core_strdup(module_pool, val);
} else if (!strcasecmp(var, "dialplan")) {
profile->dialplan = switch_core_strdup(module_pool, val);
} else if (!strcasecmp(var, "odbc-dsn") && !zstr(val)) {
if (switch_odbc_available()) {
profile->odbc_dsn = switch_core_strdup(module_pool, val);
if ((profile->odbc_user = strchr(profile->odbc_dsn, ':'))) {
*profile->odbc_user++ = '\0';
if ((profile->odbc_pass = strchr(profile->odbc_user, ':'))) {
*profile->odbc_pass++ = '\0';
}
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "ODBC IS NOT AVAILABLE!\n");
}
}
}
static switch_status_t load_skinny_config(void) static switch_status_t load_skinny_config(void)
{ {
char *cf = "skinny.conf"; char *cf = "skinny.conf";
switch_xml_t cfg, xml, settings, param; switch_xml_t xcfg, xml, xsettings, xprofiles, xprofile, xparam;
memset(&globals, 0, sizeof(globals)); memset(&globals, 0, sizeof(globals));
switch_mutex_init(&globals.mutex, SWITCH_MUTEX_NESTED, module_pool); globals.running = 1;
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
switch_core_hash_init(&globals.profile_hash, module_pool);
switch_mutex_init(&globals.calls_mutex, SWITCH_MUTEX_NESTED, module_pool);
if (!(xml = switch_xml_open_cfg(cf, &xcfg, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Open of %s failed\n", cf); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Open of %s failed\n", cf);
return SWITCH_STATUS_TERM; return SWITCH_STATUS_TERM;
} }
if ((settings = switch_xml_child(cfg, "settings"))) { if ((xsettings = switch_xml_child(xcfg, "settings"))) {
for (param = switch_xml_child(settings, "param"); param; param = param->next) { for (xparam = switch_xml_child(xsettings, "param"); xparam; xparam = xparam->next) {
char *var = (char *) switch_xml_attr_soft(param, "name"); char *var = (char *) switch_xml_attr_soft(xparam, "name");
char *val = (char *) switch_xml_attr_soft(param, "value"); char *val = (char *) switch_xml_attr_soft(xparam, "value");
if (!strcmp(var, "debug")) { if (!strcmp(var, "debug")) {
globals.debug = atoi(val); globals.debug = atoi(val);
} else if (!strcmp(var, "domain")) {
set_global_domain(val);
} else if (!strcmp(var, "ip")) {
set_global_ip(val);
} else if (!strcmp(var, "port")) {
globals.port = atoi(val);
} else if (!strcmp(var, "dialplan")) {
set_global_dialplan(val);
} else if (!strcmp(var, "codec-prefs")) { } else if (!strcmp(var, "codec-prefs")) {
set_global_codec_string(val); set_global_codec_string(val);
globals.codec_order_last = switch_separate_string(globals.codec_string, ',', globals.codec_order, SWITCH_MAX_CODECS); globals.codec_order_last = switch_separate_string(globals.codec_string, ',', globals.codec_order, SWITCH_MAX_CODECS);
@ -1555,21 +1761,93 @@ static switch_status_t load_skinny_config(void)
} else if (!strcmp(var, "codec-rates")) { } else if (!strcmp(var, "codec-rates")) {
set_global_codec_rates_string(val); set_global_codec_rates_string(val);
globals.codec_rates_last = switch_separate_string(globals.codec_rates_string, ',', globals.codec_rates, SWITCH_MAX_CODECS); globals.codec_rates_last = switch_separate_string(globals.codec_rates_string, ',', globals.codec_rates, SWITCH_MAX_CODECS);
} else if (!strcmp(var, "keep-alive")) {
globals.keep_alive = atoi(val);
} else if (!strcmp(var, "date-format")) {
memcpy(globals.date_format, val, 6);
} }
} } /* param */
} } /* settings */
if (!globals.dialplan) {
set_global_dialplan("default");
}
if (!globals.port) { if ((xprofiles = switch_xml_child(xcfg, "profiles"))) {
globals.port = 2000; for (xprofile = switch_xml_child(xprofiles, "profile"); xprofile; xprofile = xprofile->next) {
} char *profile_name = (char *) switch_xml_attr_soft(xprofile, "name");
switch_xml_t xsettings = switch_xml_child(xprofile, "settings");
if (zstr(profile_name)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
"<profile> is missing name attribute\n");
continue;
}
if (xsettings) {
char dbname[256];
switch_core_db_t *db;
skinny_profile_t *profile = NULL;
switch_xml_t param;
profile = switch_core_alloc(module_pool, sizeof(skinny_profile_t));
profile->name = profile_name;
for (param = switch_xml_child(xsettings, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcmp(var, "domain")) {
skinny_profile_set(profile, "domain", val);
} else if (!strcmp(var, "ip")) {
skinny_profile_set(profile, "ip", val);
} else if (!strcmp(var, "port")) {
profile->port = atoi(val);
} else if (!strcmp(var, "dialplan")) {
skinny_profile_set(profile, "dialplan", val);
} else if (!strcmp(var, "keep-alive")) {
profile->keep_alive = atoi(val);
} else if (!strcmp(var, "date-format")) {
memcpy(profile->date_format, val, 6);
}
} /* param */
if (!profile->dialplan) {
skinny_profile_set(profile, "dialplan","default");
}
if (!profile->port) {
profile->port = 2000;
}
switch_snprintf(dbname, sizeof(dbname), "skinny_%s", profile->name);
profile->dbname = switch_core_strdup(module_pool, dbname);
if (switch_odbc_available() && profile->odbc_dsn) {
if (!(profile->master_odbc = switch_odbc_handle_new(profile->odbc_dsn, profile->odbc_user, profile->odbc_pass))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Cannot Open ODBC Database!\n");
continue;
}
if (switch_odbc_handle_connect(profile->master_odbc) != SWITCH_ODBC_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Cannot Open ODBC Database!\n");
continue;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Connected ODBC DSN: %s\n", profile->odbc_dsn);
switch_odbc_handle_exec(profile->master_odbc, devices_sql, NULL);
switch_odbc_handle_exec(profile->master_odbc, lines_sql, NULL);
switch_odbc_handle_exec(profile->master_odbc, speed_sql, NULL);
} else {
if ((db = switch_core_db_open_file(profile->dbname))) {
switch_core_db_test_reactive(db, "select * from skinny_devices", NULL, devices_sql);
switch_core_db_test_reactive(db, "select * from skinny_lines", NULL, lines_sql);
switch_core_db_test_reactive(db, "select * from skinny_speeddials", NULL, speed_sql);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Cannot Open SQL Database!\n");
continue;
}
switch_core_db_close(db);
}
switch_core_hash_insert(globals.profile_hash, profile->name, profile);
profile = NULL;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
"Settings are missing from profile %s.\n", profile_name);
} /* settings */
} /* profile */
}
switch_xml_free(xml); switch_xml_free(xml);
return SWITCH_STATUS_SUCCESS; return SWITCH_STATUS_SUCCESS;
@ -1656,18 +1934,28 @@ static switch_status_t skinny_list_devices(const char *line, const char *cursor,
{ {
switch_console_callback_match_t *my_matches = NULL; switch_console_callback_match_t *my_matches = NULL;
switch_status_t status = SWITCH_STATUS_FALSE; switch_status_t status = SWITCH_STATUS_FALSE;
switch_hash_index_t *hi;
void *val;
skinny_profile_t *profile;
listener_t *l; listener_t *l;
skinny_device_t *device; skinny_device_t *device;
switch_mutex_lock(globals.listener_mutex); /* walk listeners */
for (l = listen_list.listeners; l; l = l->next) { for (hi = switch_hash_first(NULL, globals.profile_hash); hi; hi = switch_hash_next(hi)) {
if(l->device) { switch_hash_this(hi, NULL, NULL, &val);
device = l->device; profile = (skinny_profile_t *) val;
switch_console_push_match(&my_matches, device->deviceName);
}
}
switch_mutex_unlock(globals.listener_mutex);
switch_mutex_lock(profile->listener_mutex);
for (l = profile->listeners; l; l = l->next) {
if(l->device) {
device = l->device;
switch_console_push_match(&my_matches, device->deviceName);
}
}
switch_mutex_unlock(profile->listener_mutex);
}
if (my_matches) { if (my_matches) {
*matches = my_matches; *matches = my_matches;
status = SWITCH_STATUS_SUCCESS; status = SWITCH_STATUS_SUCCESS;
@ -1678,18 +1966,25 @@ static switch_status_t skinny_list_devices(const char *line, const char *cursor,
SWITCH_MODULE_LOAD_FUNCTION(mod_skinny_load) SWITCH_MODULE_LOAD_FUNCTION(mod_skinny_load)
{ {
switch_hash_index_t *hi;
void *val;
skinny_profile_t *profile;
switch_api_interface_t *api_interface; switch_api_interface_t *api_interface;
module_pool = pool; module_pool = pool;
memset(&globals, 0, sizeof(globals));
load_skinny_config(); load_skinny_config();
switch_mutex_init(&globals.listener_mutex, SWITCH_MUTEX_NESTED, module_pool); /* init listeners */
for (hi = switch_hash_first(NULL, globals.profile_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, NULL, NULL, &val);
profile = (skinny_profile_t *) val;
switch_mutex_init(&profile->listener_mutex, SWITCH_MUTEX_NESTED, module_pool);
switch_mutex_init(&profile->sock_mutex, SWITCH_MUTEX_NESTED, module_pool);
memset(&listen_list, 0, sizeof(listen_list)); }
switch_mutex_init(&listen_list.sock_mutex, SWITCH_MUTEX_NESTED, module_pool);
if ((switch_event_bind_removable(modname, SWITCH_EVENT_HEARTBEAT, NULL, event_handler, NULL, &globals.heartbeat_node) != SWITCH_STATUS_SUCCESS)) { if ((switch_event_bind_removable(modname, SWITCH_EVENT_HEARTBEAT, NULL, event_handler, NULL, &globals.heartbeat_node) != SWITCH_STATUS_SUCCESS)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind our heartbeat handler!\n"); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind our heartbeat handler!\n");
@ -1701,7 +1996,6 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_skinny_load)
return SWITCH_STATUS_TERM; return SWITCH_STATUS_TERM;
} }
/* connect my internal structure to the blank pointer passed to me */ /* connect my internal structure to the blank pointer passed to me */
*module_interface = switch_loadable_module_create_module_interface(pool, modname); *module_interface = switch_loadable_module_create_module_interface(pool, modname);
skinny_endpoint_interface = switch_loadable_module_create_interface(*module_interface, SWITCH_ENDPOINT_INTERFACE); skinny_endpoint_interface = switch_loadable_module_create_interface(*module_interface, SWITCH_ENDPOINT_INTERFACE);
@ -1722,34 +2016,62 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_skinny_load)
SWITCH_MODULE_RUNTIME_FUNCTION(mod_skinny_runtime) SWITCH_MODULE_RUNTIME_FUNCTION(mod_skinny_runtime)
{ {
return skinny_socket_create_and_bind(); switch_status_t status = SWITCH_STATUS_SUCCESS;
switch_hash_index_t *hi;
void *val;
skinny_profile_t *profile;
/* launch listeners */
for (hi = switch_hash_first(NULL, globals.profile_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, NULL, NULL, &val);
profile = (skinny_profile_t *) val;
status = skinny_socket_create_and_bind(profile);
if(status != SWITCH_STATUS_SUCCESS) {
return status;
}
}
return status;
} }
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_skinny_shutdown) SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_skinny_shutdown)
{ {
switch_hash_index_t *hi;
void *val;
skinny_profile_t *profile;
int sanity = 0; int sanity = 0;
switch_event_free_subclass(SKINNY_EVENT_REGISTER); switch_event_free_subclass(SKINNY_EVENT_REGISTER);
switch_event_unbind(&globals.heartbeat_node); switch_event_unbind(&globals.heartbeat_node);
running = 0; globals.running = 0;
walk_listeners(kill_listener, NULL); walk_listeners(kill_listener, NULL);
close_socket(&listen_list.sock); /* launch listeners */
for (hi = switch_hash_first(NULL, globals.profile_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, NULL, NULL, &val);
profile = (skinny_profile_t *) val;
while (globals.listener_threads) { close_socket(&profile->sock);
switch_yield(100000);
walk_listeners(kill_listener, NULL); while (profile->listener_threads) {
if (++sanity >= 200) { switch_yield(100000);
break; walk_listeners(kill_listener, NULL);
if (++sanity >= 200) {
break;
}
} }
} }
/* Free dynamically allocated strings */ /* Free dynamically allocated strings */
switch_safe_free(globals.domain); for (hi = switch_hash_first(NULL, globals.profile_hash); hi; hi = switch_hash_next(hi)) {
switch_safe_free(globals.ip); switch_hash_this(hi, NULL, NULL, &val);
switch_safe_free(globals.dialplan); profile = (skinny_profile_t *) val;
switch_safe_free(profile->domain);
switch_safe_free(profile->ip);
switch_safe_free(profile->dialplan);
}
switch_safe_free(globals.codec_string); switch_safe_free(globals.codec_string);
switch_safe_free(globals.codec_rates_string); switch_safe_free(globals.codec_rates_string);

View File

@ -0,0 +1,104 @@
#!/usr/bin/perl
use strict;
use warnings;
use IO::Socket;
$| = 1;
my $socket;
sub skinny_connect
{
$socket = IO::Socket::INET->new(
PeerAddr => '127.0.0.1',
PeerPort => 2000,
);
}
sub skinny_send
{
my $type = shift;
my $data = shift;
my $len = length($data)+4;
printf "Sending message (length=%d, type=%X)", $len, $type;
$socket->send(
pack("VVV", $len, 0, $type).
$data);
printf ".\n";
}
sub skinny_recv
{
my $buf;
$socket->recv($buf, 4);
my $len = unpack("V", $buf);
printf "Receiving message (length=%d,", $len;
if($len < 4) {
printf "type=?).\n";
printf "Problem! Length is < 4.\n";
exit 1;
}
$socket->recv($buf, 4); #reserved
$socket->recv($buf, 4); #type
my $type = unpack("V", $buf);
printf "type=%X)", $type;
if($len > 4) {
$socket->recv($buf, $len-4);
}
printf ".\n";
}
sub skinny_sleep
{
my $t = shift;
printf "Sleeping %d seconds", $t;
while(--$t){
sleep(1);
printf "." if $t % 10;
printf "_" unless $t % 10;
}
printf ".\n";
}
skinny_connect();
#
skinny_send(0x0001, # register
pack("a16VVVVV",
"SEP001120AABBCC",
0, # userId;
1, # instance;
12,# ip;
7, # deviceType;
0, # maxStreams;
));
skinny_recv(); # registerack
skinny_send(0x0002, # port
pack("n", 2000
));
skinny_recv(); # capreq
skinny_send(0x0010, # capres
pack("V"."Vva10"."Vva10",
2, # count
2, 8, "", # codec, frames, res
4, 16, "", # codec, frames, res
));
skinny_send(0x000B, # linestatreq
pack("V", 1));
skinny_recv(); # linestatres
skinny_send(0x002D, # registeravlines
pack("V", 2
));
skinny_sleep(3);
skinny_send(0x0000, # keepalive
"");
skinny_recv(); # keepaliveack