GNUnet 0.21.1
gnunet-service-cadet_hello.h File Reference

cadet service; dealing with hello messages More...

#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_hello_uri_lib.h"
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void GCH_init (const struct GNUNET_CONFIGURATION_Handle *c)
 Initialize the hello subsystem. More...
void GCH_shutdown (void)
 Shut down the hello subsystem. More...
const struct GNUNET_MessageHeaderGCH_get_mine (void)
 Get own hello message. More...

Detailed Description

cadet service; dealing with hello messages

Bartlomiej Polot
Christian Grothoff

All functions in this file should use the prefix GCH (Gnunet Cadet Hello)

Definition in file gnunet-service-cadet_hello.h.

Function Documentation

◆ GCH_init()

void GCH_init ( const struct GNUNET_CONFIGURATION_Handle c)

Initialize the hello subsystem.


Definition at line 129 of file gnunet-service-cadet_hello.c.

136 "peerstore",
137 NULL,
139 &error_cb,
140 NULL,
141 &sync_cb,
142 NULL,
143 &got_hello,
144 NULL);
static void sync_cb(void *cls)
static void got_hello(void *cls, const struct GNUNET_PEERSTORE_Record *record, const char *err_msg)
Process each hello message received from peerinfo.
static struct GNUNET_PEERSTORE_Monitor * peerstore_notify
Our peerstore notification context.
static struct GNUNET_PEERSTORE_Handle * peerstore
Handle to the PEERSTORE service.
static void error_cb(void *cls)
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
struct GNUNET_PEERSTORE_Monitor * GNUNET_PEERSTORE_monitor_start(const struct GNUNET_CONFIGURATION_Handle *cfg, int iterate_first, const char *sub_system, const struct GNUNET_PeerIdentity *peer, const char *key, GNUNET_SCHEDULER_TaskCallback error_cb, void *error_cb_cls, GNUNET_SCHEDULER_TaskCallback sync_cb, void *sync_cb_cls, GNUNET_PEERSTORE_Processor callback, void *callback_cls)
Request watching a given key The monitoring can be filtered to contain only records matching peer and...
struct GNUNET_PEERSTORE_Handle * GNUNET_PEERSTORE_connect(const struct GNUNET_CONFIGURATION_Handle *cfg)
Connect to the PEERSTORE service.
Key used for storing HELLO in the peerstore.

References error_cb(), GNUNET_assert, GNUNET_PEERSTORE_connect(), GNUNET_PEERSTORE_HELLO_KEY, GNUNET_PEERSTORE_monitor_start(), GNUNET_YES, got_hello(), peerstore, peerstore_notify, and sync_cb().

Referenced by run().

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◆ GCH_shutdown()

void GCH_shutdown ( void  )

Shut down the hello subsystem.

Definition at line 152 of file gnunet-service-cadet_hello.c.

154 if (NULL != peerstore_notify)
155 {
157 peerstore_notify = NULL;
158 }
159 if (NULL != peerstore)
160 {
162 peerstore = NULL;
163 }
164 if (NULL != mine)
165 {
167 mine = NULL;
168 }
static struct GNUNET_MessageHeader * mine
Hello message of local peer.
#define GNUNET_free(ptr)
Wrapper around free.
void GNUNET_PEERSTORE_monitor_stop(struct GNUNET_PEERSTORE_Monitor *zm)
Stop monitoring.
void GNUNET_PEERSTORE_disconnect(struct GNUNET_PEERSTORE_Handle *h)
Disconnect from the PEERSTORE service.

References GNUNET_free, GNUNET_PEERSTORE_disconnect(), GNUNET_PEERSTORE_monitor_stop(), mine, peerstore, and peerstore_notify.

Referenced by shutdown_rest().

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◆ GCH_get_mine()

const struct GNUNET_MessageHeader * GCH_get_mine ( void  )

Get own hello message.

Own hello message.

Definition at line 178 of file gnunet-service-cadet_hello.c.

182 if (NULL == mine)
183 {
189 }
190 return mine;
static struct HostSet * builder
NULL if we are not currently iterating over peer information.
struct GNUNET_PeerIdentity my_full_id
Local peer own ID.
Definition: gnunet-hello.c:101
static struct GNUNET_CRYPTO_EddsaPrivateKey * my_private_key
Our private key.
Definition: gnunet-hello.c:96
void GNUNET_HELLO_builder_free(struct GNUNET_HELLO_Builder *builder)
Release resources of a builder.
Definition: hello-uri.c:373
struct GNUNET_HELLO_Builder * GNUNET_HELLO_builder_new(const struct GNUNET_PeerIdentity *pid)
Allocate builder.
Definition: hello-uri.c:355
struct GNUNET_MessageHeader * GNUNET_HELLO_builder_to_dht_hello_msg(const struct GNUNET_HELLO_Builder *builder, const struct GNUNET_CRYPTO_EddsaPrivateKey *priv, struct GNUNET_TIME_Relative expiration_time)
Generate DHT HELLO message (without peer ID) from a builder.
Definition: hello-uri.c:666
Relative time zero.
Context for building (or parsing) HELLO URIs.
Definition: hello-uri.c:205

References builder, GNUNET_HELLO_builder_free(), GNUNET_HELLO_builder_new(), GNUNET_HELLO_builder_to_dht_hello_msg(), GNUNET_TIME_UNIT_ZERO, mine, my_full_id, and my_private_key.

Referenced by announce_id().

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