45#define AUTOCONFIG_TIMEOUT GNUNET_TIME_relative_multiply ( \
46 GNUNET_TIME_UNIT_SECONDS, 5)
224 arm->
type = htonl ((uint32_t) ac->
type);
303 size_t left = ntohs (message->
header.
size) -
sizeof(*message);
312 (
const char *) &message[1],
323 "Received REQUEST_AUTO_CONFIG message from client\n");
343 _ (
"UPnP client `upnpc` command not found, disabling UPnP\n"));
468#if defined(__linux__) && defined(__GLIBC__)
471void __attribute__((constructor)) GNUNET_NAT_memory_init(
void);
477GNUNET_NAT_memory_init ()
479 mallopt (M_TRIM_THRESHOLD, 4 * 1024);
480 mallopt (M_TOP_PAD, 1 * 1024);
struct GNUNET_MQ_Handle * mq
struct GNUNET_MQ_Envelope * env
static struct GNUNET_CADET_Channel * ch
Channel handle.
static struct GNUNET_SERVICE_Handle * service
Handle to our service instance.
static struct AutoconfigContext * ac_tail
DLL of our autoconfiguration operations.
static void handle_autoconfig_request(void *cls, const struct GNUNET_NAT_AUTO_AutoconfigRequestMessage *message)
Handler for #GNUNET_MESSAGE_TYPE_NAT_REQUEST_AUTO_CFG message from client.
static void conclude_autoconfig_request(void *cls)
Finish handling the autoconfiguration request and send the response to the client.
static int check_autoconfig_request(void *cls, const struct GNUNET_NAT_AUTO_AutoconfigRequestMessage *message)
Check validity of #GNUNET_MESSAGE_TYPE_NAT_REQUEST_AUTO_CFG message from client.
static struct ClientHandle * ch_head
Head of client DLL.
static struct AutoconfigContext * ac_head
DLL of our autoconfiguration operations.
static void update_enable_upnpc_option(struct AutoconfigContext *ac)
Update ENABLE_UPNPC configuration option.
#define AUTOCONFIG_TIMEOUT
How long do we wait until we forcefully terminate autoconfiguration?
static struct GNUNET_STATISTICS_Handle * stats
Handle to the statistics service.
static const struct GNUNET_CONFIGURATION_Handle * cfg
Handle to our current configuration.
static struct ClientHandle * ch_tail
Tail of client DLL.
GNUNET_SERVICE_MAIN("nat-auto", GNUNET_SERVICE_OPTION_NONE, &run, &client_connect_cb, &client_disconnect_cb, NULL, GNUNET_MQ_hd_var_size(autoconfig_request, GNUNET_MESSAGE_TYPE_NAT_AUTO_REQUEST_CFG, struct GNUNET_NAT_AUTO_AutoconfigRequestMessage, NULL), GNUNET_MQ_handler_end())
Define "main" method using service macro.
static void shutdown_task(void *cls)
Task run during shutdown.
static void terminate_ac_activities(struct AutoconfigContext *ac)
Stop all pending activities with respect to the ac.
static void run(void *cls, const struct GNUNET_CONFIGURATION_Handle *c, struct GNUNET_SERVICE_Handle *service)
Setup NAT service.
static void check_autoconfig_finished(struct AutoconfigContext *ac)
Check if all autoconfiguration operations have concluded, and if they have, send the result back to t...
static void * client_connect_cb(void *cls, struct GNUNET_SERVICE_Client *c, struct GNUNET_MQ_Handle *mq)
Callback called when a client connects to the service.
static void client_disconnect_cb(void *cls, struct GNUNET_SERVICE_Client *c, void *internal_cls)
Callback called when a client disconnected from the service.
struct GNUNET_PQ_ResultSpec __attribute__
Constants for network protocols.
API to create, modify and access statistics.
void GNUNET_CONFIGURATION_set_value_string(struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, const char *value)
Set a configuration value that should be a string.
struct GNUNET_CONFIGURATION_Handle * GNUNET_CONFIGURATION_dup(const struct GNUNET_CONFIGURATION_Handle *cfg)
Duplicate an existing configuration object.
void GNUNET_CONFIGURATION_destroy(struct GNUNET_CONFIGURATION_Handle *cfg)
Destroy configuration object.
enum GNUNET_GenericReturnValue GNUNET_CONFIGURATION_deserialize(struct GNUNET_CONFIGURATION_Handle *cfg, const char *mem, size_t size, const char *source_filename)
De-serializes configuration.
char * GNUNET_CONFIGURATION_serialize(const struct GNUNET_CONFIGURATION_Handle *cfg, size_t *size)
Serializes the given configuration.
struct GNUNET_CONFIGURATION_Handle * GNUNET_CONFIGURATION_create(void)
Create a new configuration object.
struct GNUNET_CONFIGURATION_Handle * GNUNET_CONFIGURATION_get_diff(const struct GNUNET_CONFIGURATION_Handle *cfg_default, const struct GNUNET_CONFIGURATION_Handle *cfg_new)
Compute configuration with only entries that have been changed.
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
#define GNUNET_log(kind,...)
#define GNUNET_memcpy(dst, src, n)
Call memcpy() but check for n being 0 first.
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format.
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur.
@ GNUNET_ERROR_TYPE_DEBUG
#define GNUNET_new(type)
Allocate a struct or union of the given type.
#define GNUNET_free(ptr)
Wrapper around free.
void GNUNET_MQ_send(struct GNUNET_MQ_Handle *mq, struct GNUNET_MQ_Envelope *ev)
Send a message with the given message queue.
#define GNUNET_MQ_handler_end()
End-marker for the handlers array.
#define GNUNET_MQ_msg_extra(mvar, esize, type)
Allocate an envelope, with extra space allocated after the space needed by the message struct.
#define GNUNET_MQ_hd_var_size(name, code, str, ctx)
GNUNET_NAT_StatusCode
Error Types for the NAT subsystem (which can then later be converted/resolved to a string)
GNUNET_NAT_Type
What the situation of the NAT connectivity.
@ GNUNET_NAT_ERROR_SUCCESS
Just the default.
enum GNUNET_GenericReturnValue GNUNET_OS_check_helper_binary(const char *binary, bool check_suid, const char *params)
Check whether an executable exists and possibly if the suid bit is set on the file.
#define GNUNET_MESSAGE_TYPE_NAT_AUTO_CFG_RESULT
Message from NAT service with the autoconfiguration result.
#define GNUNET_MESSAGE_TYPE_NAT_AUTO_REQUEST_CFG
Message to ask NAT service to request autoconfiguration.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_shutdown(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run on shutdown, that is when a CTRL-C signal is received,...
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_now(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run as soon as possible.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_delayed(struct GNUNET_TIME_Relative delay, GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run with a specified delay.
void GNUNET_SERVICE_client_drop(struct GNUNET_SERVICE_Client *c)
Ask the server to disconnect from the given client.
void GNUNET_SERVICE_client_continue(struct GNUNET_SERVICE_Client *c)
Continue receiving further messages from the given client.
@ GNUNET_SERVICE_OPTION_NONE
Use defaults.
struct GNUNET_STATISTICS_Handle * GNUNET_STATISTICS_create(const char *subsystem, const struct GNUNET_CONFIGURATION_Handle *cfg)
Get handle for the statistics service.
void GNUNET_STATISTICS_destroy(struct GNUNET_STATISTICS_Handle *h, int sync_first)
Destroy a handle (free all state associated with it).
Context for autoconfiguration operations.
struct AutoconfigContext * prev
Kept in a DLL.
struct AutoconfigContext * next
Kept in a DLL.
int enable_upnpc
GNUNET_YES if upnpc should be used, GNUNET_NO if upnpc should not be used, GNUNET_SYSERR if we should...
struct GNUNET_CONFIGURATION_Handle * c
Configuration we are creating.
enum GNUNET_NAT_Type type
NAT type to return to the client.
struct GNUNET_CONFIGURATION_Handle * orig
Original configuration (for diffing).
enum GNUNET_NAT_StatusCode status_code
Status code to return to the client.
struct ClientHandle * ch
Which client asked the question.
struct GNUNET_SCHEDULER_Task * timeout_task
Timeout task to force termination.
Struct containing information about a client, handle to connect to it, and any pending messages that ...
struct ClientHandle * prev
Kept in a DLL.
struct ClientHandle * next
Kept in a DLL.
struct GNUNET_SERVICE_Client * client
The handle to this client.
struct GNUNET_MQ_Handle * mq
The message queue to this client.
struct GNUNET_MQ_Handle * mq
Message Queue for the channel (which we are implementing).
Handle to a message queue.
Client requesting automatic configuration.
struct GNUNET_MessageHeader header
Header with type #GNUNET_MESSAGE_TYPE_NAT_REQUEST_AUTO_CFG.
Service responding with proposed configuration.
int32_t type
An enum GNUNET_NAT_Type in NBO.
int32_t status_code
An enum GNUNET_NAT_StatusCode in NBO.
Entry in list of pending tasks.
Handle to a client that is connected to a service.