/*
This file is part of GNUnet.
- (C) 2001-2012 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2001-2014 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file peerinfo-tool/gnunet-peerinfo.c
* @brief Print information about other known peers.
* @author Christian Grothoff
+ * @author Matthias Wachs
*/
#include "platform.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_configuration_lib.h"
-#include "gnunet_getopt_lib.h"
-#include "gnunet_program_lib.h"
+#include "gnunet_util_lib.h"
#include "gnunet_hello_lib.h"
#include "gnunet_transport_service.h"
#include "gnunet_peerinfo_service.h"
struct AddressRecord *address_list;
/**
- * Number of completed addresses in 'address_list'.
+ * Number of completed addresses in @e address_list.
*/
unsigned int num_addresses;
/**
- * Number of addresses allocated in 'address_list'.
+ * Number of addresses allocated in @e address_list.
*/
unsigned int address_list_size;
/**
- * Current offset in 'address_list' (counted down).
+ * Current offset in @e address_list (counted down).
*/
unsigned int off;
/**
- * Hello was friend only, GNUNET_YES or GNUNET_NO
+ * Hello was friend only, #GNUNET_YES or #GNUNET_NO
*/
int friend_only;
/**
* Main state machine task (if active).
*/
-static GNUNET_SCHEDULER_TaskIdentifier tt;
+static struct GNUNET_SCHEDULER_Task * tt;
+
+/**
+ * Pending #GNUNET_TRANSPORT_get_hello() operation.
+ */
+static struct GNUNET_TRANSPORT_GetHelloHandle *gh;
+
+/**
+ * Connection to transport service.
+ */
+static struct GNUNET_TRANSPORT_Handle *transport;
/**
* Current iterator context (if active, otherwise NULL).
static struct PrintContext *pc_tail;
/**
- * Handle to current 'GNUNET_PEERINFO_add_peer' operation.
+ * Handle to current #GNUNET_PEERINFO_add_peer() operation.
*/
static struct GNUNET_PEERINFO_AddContext *ac;
+/**
+ * Hello of this peer (if initialized).
+ */
+static struct GNUNET_HELLO_Message *my_hello;
+
/**
* Main state machine that goes over all options and
/* ********************* 'get_info' ******************* */
/**
- * Print the collected address information to the console and free 'pc'.
+ * Print the collected address information to the console and free @a pc.
*
* @param pc printing context
*/
{
if (NULL != pc->address_list[i].result)
{
- printf (_("\tExpires: %s \t %s\n"), GNUNET_STRINGS_absolute_time_to_string(pc->address_list[i].expiration), pc->address_list[i].result);
+ printf (_("\tExpires: %s \t %s\n"),
+ GNUNET_STRINGS_absolute_time_to_string (pc->address_list[i].expiration),
+ pc->address_list[i].result);
GNUNET_free (pc->address_list[i].result);
}
}
GNUNET_free (pc);
if ( (NULL == pc_head) &&
(NULL == pic) )
- tt = GNUNET_SCHEDULER_add_now (&state_machine, NULL);
+ tt = GNUNET_SCHEDULER_add_now (&state_machine,
+ NULL);
}
*
* @param cls closure
* @param address NULL on error, otherwise 0-terminated printable UTF-8 string
+ * @param res result of the address to string conversion:
+ * if #GNUNET_OK: address was valid (conversion to
+ * string might still have failed)
+ * if #GNUNET_SYSERR: address is invalid
*/
static void
-process_resolved_address (void *cls, const char *address)
+process_resolved_address (void *cls,
+ const char *address,
+ int res)
{
- struct AddressRecord * ar = cls;
+ struct AddressRecord *ar = cls;
struct PrintContext *pc = ar->pc;
if (NULL != address)
{
- if (NULL == ar->result)
+ if (0 != strlen (address))
+ {
+ if (NULL != ar->result)
+ GNUNET_free (ar->result);
ar->result = GNUNET_strdup (address);
+ }
return;
}
ar->atsc = NULL;
+ if (GNUNET_SYSERR == res)
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Failure: Cannot convert address to string for peer `%s'\n"),
+ GNUNET_i2s (&ar->pc->peer));
pc->num_addresses++;
if (pc->num_addresses == pc->address_list_size)
dump_pc (pc);
/**
* Iterator callback to go over all addresses and count them.
*
- * @param cls 'struct PrintContext' with 'off' to increment
+ * @param cls `struct PrintContext *` with `off` to increment
* @param address the address
* @param expiration expiration time
- * @return GNUNET_OK to keep the address and continue
+ * @return #GNUNET_OK to keep the address and continue
*/
static int
-count_address (void *cls, const struct GNUNET_HELLO_Address *address,
+count_address (void *cls,
+ const struct GNUNET_HELLO_Address *address,
struct GNUNET_TIME_Absolute expiration)
{
struct PrintContext *pc = cls;
* @param cls closure
* @param address the address
* @param expiration expiration time
- * @return GNUNET_OK to keep the address and continue
+ * @return #GNUNET_OK to keep the address and continue
*/
static int
-print_address (void *cls, const struct GNUNET_HELLO_Address *address,
+print_address (void *cls,
+ const struct GNUNET_HELLO_Address *address,
struct GNUNET_TIME_Absolute expiration)
{
struct PrintContext *pc = cls;
struct AddressRecord *ar;
+
GNUNET_assert (0 < pc->off);
ar = &pc->address_list[--pc->off];
ar->pc = pc;
ar->expiration = expiration;
- ar->atsc = GNUNET_TRANSPORT_address_to_string (cfg, address, no_resolve,
- GNUNET_TIME_relative_multiply
- (GNUNET_TIME_UNIT_SECONDS, 10),
+ GNUNET_asprintf (&ar->result,
+ "%s:%u:%u",
+ address->transport_name,
+ address->address_length,
+ address->local_info);
+ ar->atsc = GNUNET_TRANSPORT_address_to_string (cfg,
+ address,
+ no_resolve,
+ TIMEOUT,
&process_resolved_address, ar);
return GNUNET_OK;
}
/**
- * Print information about the peer.
- * Currently prints the GNUNET_PeerIdentity and the transport address.
+ * Print information about the peer. Currently prints the `struct
+ * GNUNET_PeerIdentity` and the transport address.
*
- * @param cls the 'struct PrintContext'
+ * @param cls the `struct PrintContext *`
* @param peer identity of the peer
* @param hello addresses of the peer
* @param err_msg error message
*/
static void
-print_peer_info (void *cls, const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_HELLO_Message *hello, const char *err_msg)
+print_peer_info (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_HELLO_Message *hello,
+ const char *err_msg)
{
struct PrintContext *pc;
int friend_only;
friend_only = GNUNET_NO;
if (NULL != hello)
friend_only = GNUNET_HELLO_is_friend_only (hello);
- if ((GNUNET_YES == be_quiet) || (NULL == hello))
+ if ( (GNUNET_YES == be_quiet) ||
+ (NULL == hello) )
{
printf ("%s%s\n",
(GNUNET_YES == friend_only) ? "F2F: " : "",
}
pc->address_list_size = pc->off;
pc->address_list = GNUNET_malloc (sizeof (struct AddressRecord) * pc->off);
- GNUNET_HELLO_iterate_addresses (hello, GNUNET_NO,
- &print_address, pc);
+ GNUNET_HELLO_iterate_addresses (hello,
+ GNUNET_NO,
+ &print_address,
+ pc);
}
/* ************************* DUMP Hello ************************** */
-static int count_addr(void *cls,
- const struct GNUNET_HELLO_Address *address,
- struct GNUNET_TIME_Absolute expiration)
+/**
+ * Count the number of addresses in the HELLO.
+ *
+ * @param cls pointer to an `int *` used for the counter
+ * @param address an address to count
+ * @param expiration (unused)
+ * @return #GNUNET_OK
+ */
+static int
+count_addr (void *cls,
+ const struct GNUNET_HELLO_Address *address,
+ struct GNUNET_TIME_Absolute expiration)
{
- int *c = cls;
+ int *c = cls;
+
(*c) ++;
return GNUNET_OK;
}
+
/**
- * Write Hello of my peer to a file.
+ * Write HELLO of my peer to a file.
*
- * @param cls the 'struct GetUriContext'
+ * @param cls the `struct GetUriContext *`
* @param peer identity of the peer (unused)
* @param hello addresses of the peer
* @param err_msg error message
*/
static void
-dump_my_hello (void *cls, const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_HELLO_Message *hello,
- const char *err_msg)
+dump_my_hello ()
{
- unsigned int size;
- unsigned int c_addr;
- if (peer == NULL)
- {
- pic = NULL;
- if (err_msg != NULL)
- FPRINTF (stderr,
- _("Error in communication with PEERINFO service: %s\n"),
- err_msg);
- tt = GNUNET_SCHEDULER_add_now (&state_machine, NULL);
- return;
- }
-
- if (NULL == hello)
- {
- FPRINTF (stderr,
- _("Failure: Did not receive %s\n"), "HELLO");
- return;
- }
+ unsigned int size;
+ unsigned int c_addr;
- size = GNUNET_HELLO_size (hello);
+ size = GNUNET_HELLO_size (my_hello);
if (0 == size)
{
- FPRINTF (stderr,
- _("Failure: Received invalid %s\n"), "HELLO");
- return;
+ FPRINTF (stderr,
+ _("Failure: Received invalid %s\n"),
+ "HELLO");
+ return;
}
- if (GNUNET_SYSERR == GNUNET_DISK_fn_write (dump_hello, hello, size,
+ if (GNUNET_SYSERR ==
+ GNUNET_DISK_fn_write (dump_hello,
+ my_hello,
+ size,
GNUNET_DISK_PERM_USER_READ |
GNUNET_DISK_PERM_USER_WRITE |
GNUNET_DISK_PERM_GROUP_READ |
GNUNET_DISK_PERM_OTHER_READ))
{
- FPRINTF (stderr, _("Failed to write HELLO with %u bytes to file `%s'\n"),
- size, dump_hello);
- if (0 != UNLINK (dump_hello))
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING |
- GNUNET_ERROR_TYPE_BULK, "unlink", dump_hello);
+ FPRINTF (stderr,
+ _("Failed to write HELLO with %u bytes to file `%s'\n"),
+ size,
+ dump_hello);
+ if (0 != UNLINK (dump_hello))
+ GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING |
+ GNUNET_ERROR_TYPE_BULK,
+ "unlink",
+ dump_hello);
}
c_addr = 0;
- GNUNET_HELLO_iterate_addresses (hello, GNUNET_NO, count_addr, &c_addr);
+ GNUNET_HELLO_iterate_addresses (my_hello,
+ GNUNET_NO,
+ count_addr,
+ &c_addr);
- if (!be_quiet)
+ if (! be_quiet)
{
- FPRINTF (stderr,
- _("Wrote %s HELLO containing %u addresses with %u bytes to file `%s'\n"),
- (GNUNET_YES == GNUNET_HELLO_is_friend_only(hello)) ? "friend-only": "public",
- c_addr, size, dump_hello);
+ FPRINTF (stderr,
+ _("Wrote %s HELLO containing %u addresses with %u bytes to file `%s'\n"),
+ (GNUNET_YES == GNUNET_HELLO_is_friend_only (my_hello)) ? "friend-only": "public",
+ c_addr,
+ size,
+ dump_hello);
}
-
GNUNET_free (dump_hello);
dump_hello = NULL;
-
}
/**
* Print URI of the peer.
*
- * @param cls the 'struct GetUriContext'
+ * @param cls the `struct GetUriContext *`
* @param peer identity of the peer (unused)
* @param hello addresses of the peer
* @param err_msg error message
*/
static void
-print_my_uri (void *cls, const struct GNUNET_PeerIdentity *peer,
+print_my_uri (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_HELLO_Message *hello,
const char *err_msg)
{
- if (peer == NULL)
+ char *uri;
+
+ if (NULL == peer)
{
pic = NULL;
- if (err_msg != NULL)
+ if (NULL != err_msg)
FPRINTF (stderr,
_("Error in communication with PEERINFO service: %s\n"),
err_msg);
if (NULL == hello)
return;
- char *uri = GNUNET_HELLO_compose_uri(hello, &GPI_plugins_find);
- if (NULL != uri) {
- printf ("%s\n", (const char *) uri);
+ uri = GNUNET_HELLO_compose_uri (hello,
+ &GPI_plugins_find);
+ if (NULL != uri)
+ {
+ printf ("%s\n",
+ (const char *) uri);
GNUNET_free (uri);
}
}
/**
- * Continuation called from 'GNUNET_PEERINFO_add_peer'
+ * Continuation called from #GNUNET_PEERINFO_add_peer()
*
* @param cls closure, NULL
* @param emsg error message, NULL on success
* database.
*
* @param put_uri URI string to parse
- * @return GNUNET_OK on success, GNUNET_SYSERR if the URI was invalid, GNUNET_NO on other errors
+ * @return #GNUNET_OK on success,
+ * #GNUNET_SYSERR if the URI was invalid,
+ * #GNUNET_NO on other errors
*/
static int
parse_hello_uri (const char *put_uri)
{
struct GNUNET_HELLO_Message *hello = NULL;
- int ret = GNUNET_HELLO_parse_uri(put_uri, &my_peer_identity.public_key,
- &hello, &GPI_plugins_find);
+ int ret = GNUNET_HELLO_parse_uri (put_uri,
+ &my_peer_identity.public_key,
+ &hello,
+ &GPI_plugins_find);
- if (NULL != hello) {
+ if (NULL != hello)
+ {
/* WARNING: this adds the address from URI WITHOUT verification! */
if (GNUNET_OK == ret)
- ac = GNUNET_PEERINFO_add_peer (peerinfo, hello, &add_continuation, NULL);
+ ac = GNUNET_PEERINFO_add_peer (peerinfo, hello,
+ &add_continuation,
+ NULL);
else
tt = GNUNET_SCHEDULER_add_now (&state_machine, NULL);
GNUNET_free (hello);
}
-
- /* wait 1s to give peerinfo operation a chance to succeed */
- /* FIXME: current peerinfo API sucks to require this; not to mention
- that we get no feedback to determine if the operation actually succeeded */
return ret;
}
GNUNET_PEERINFO_add_peer_cancel (ac);
ac = NULL;
}
- if (GNUNET_SCHEDULER_NO_TASK != tt)
+ if (NULL != tt)
{
GNUNET_SCHEDULER_cancel (tt);
- tt = GNUNET_SCHEDULER_NO_TASK;
+ tt = NULL;
}
if (NULL != pic)
{
GNUNET_PEERINFO_iterate_cancel (pic);
pic = NULL;
}
+ if (NULL != gh)
+ {
+ GNUNET_TRANSPORT_get_hello_cancel (gh);
+ gh = NULL;
+ }
+ if (NULL != transport)
+ {
+ GNUNET_TRANSPORT_disconnect (transport);
+ transport = NULL;
+ }
while (NULL != (pc = pc_head))
{
GNUNET_CONTAINER_DLL_remove (pc_head,
GNUNET_PEERINFO_disconnect (peerinfo);
peerinfo = NULL;
}
+ if (NULL != my_hello)
+ {
+ GNUNET_free (my_hello);
+ my_hello = NULL;
+ }
+}
+
+
+/**
+ * Function called with our peer's HELLO message.
+ * Used to obtain our peer's public key.
+ *
+ * @param cls NULL
+ * @param hello the HELLO message
+ */
+static void
+hello_callback (void *cls,
+ const struct GNUNET_MessageHeader *hello)
+{
+ if (NULL == hello)
+ {
+ fprintf (stderr,
+ _("Failed to get my own HELLO from this peer!\n"));
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ my_hello = (struct GNUNET_HELLO_Message *) GNUNET_copy_message (hello);
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_HELLO_get_id (my_hello,
+ &my_peer_identity));
+ GNUNET_TRANSPORT_get_hello_cancel (gh);
+ gh = NULL;
+ GNUNET_TRANSPORT_disconnect (transport);
+ transport = NULL;
+ if (NULL != dump_hello)
+ dump_my_hello ();
+ tt = GNUNET_SCHEDULER_add_now (&state_machine, NULL);
+}
+
+
+/**
+ * Function called with the result of the check if the PEERINFO
+ * service is running.
+ *
+ * @param cls closure with our configuration
+ * @param result #GNUNET_YES if PEERINFO is running
+ */
+static void
+testservice_task (void *cls,
+ int result)
+{
+ if (GNUNET_YES != result)
+ {
+ FPRINTF (stderr,
+ _("Service `%s' is not running, please start GNUnet\n"),
+ "peerinfo");
+ return;
+ }
+
+ if (NULL == (peerinfo = GNUNET_PEERINFO_connect (cfg)))
+ {
+ FPRINTF (stderr,
+ "%s",
+ _("Could not access PEERINFO service. Exiting.\n"));
+ return;
+ }
+ if ( (GNUNET_YES == get_self) ||
+ (GNUNET_YES == get_uri) ||
+ (NULL != dump_hello) )
+ {
+ transport = GNUNET_TRANSPORT_connect (cfg,
+ NULL,
+ NULL,
+ NULL, NULL, NULL);
+ gh = GNUNET_TRANSPORT_get_hello (transport,
+ &hello_callback,
+ NULL);
+ }
+ else
+ {
+ tt = GNUNET_SCHEDULER_add_now (&state_machine, NULL);
+ }
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+ &shutdown_task,
+ NULL);
}
* @param c configuration
*/
static void
-run (void *cls, char *const *args, const char *cfgfile,
+run (void *cls,
+ char *const *args,
+ const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *c)
{
- struct GNUNET_CRYPTO_EddsaPrivateKey *priv;
- char *fn;
-
cfg = c;
if ( (NULL != args[0]) &&
(NULL == put_uri) &&
args[0]);
return;
}
- if (NULL == (peerinfo = GNUNET_PEERINFO_connect (cfg)))
- {
- FPRINTF (stderr, "%s", _("Could not access PEERINFO service. Exiting.\n"));
- return;
- }
- if ( (GNUNET_YES == get_self) || (GNUNET_YES == get_uri) || (NULL != dump_hello) )
- {
- /* load private key */
- if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "PEER",
- "PRIVATE_KEY",
- &fn))
- {
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, "PEER", "PRIVATE_KEY");
- return;
- }
- if (NULL == (priv = GNUNET_CRYPTO_eddsa_key_create_from_file (fn)))
- {
- FPRINTF (stderr, _("Loading hostkey from `%s' failed.\n"), fn);
- GNUNET_free (fn);
- return;
- }
- GNUNET_free (fn);
- GNUNET_CRYPTO_eddsa_key_get_public (priv,
- &my_peer_identity.public_key);
- GNUNET_free (priv);
- }
- tt = GNUNET_SCHEDULER_add_now (&state_machine, NULL);
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
- &shutdown_task,
- NULL);
+ GNUNET_CLIENT_service_test ("peerinfo",
+ cfg,
+ GNUNET_TIME_UNIT_SECONDS,
+ &testservice_task, (void *) cfg);
}
state_machine (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- tt = GNUNET_SCHEDULER_NO_TASK;
+ tt = NULL;
if (NULL != put_uri)
{
{
get_info = GNUNET_NO;
GPI_plugins_load (cfg);
- pic = GNUNET_PEERINFO_iterate (peerinfo, include_friend_only, NULL,
+ pic = GNUNET_PEERINFO_iterate (peerinfo,
+ include_friend_only,
+ NULL,
TIMEOUT,
&print_peer_info, NULL);
}
else if (GNUNET_YES == get_uri)
{
GPI_plugins_load (cfg);
- pic = GNUNET_PEERINFO_iterate (peerinfo, include_friend_only, &my_peer_identity,
- TIMEOUT, &print_my_uri, NULL);
+ pic = GNUNET_PEERINFO_iterate (peerinfo,
+ include_friend_only,
+ &my_peer_identity,
+ TIMEOUT,
+ &print_my_uri, NULL);
get_uri = GNUNET_NO;
}
- else if (NULL != dump_hello)
- {
- pic = GNUNET_PEERINFO_iterate (peerinfo, include_friend_only, &my_peer_identity,
- TIMEOUT, &dump_my_hello, NULL);
- }
else if (GNUNET_YES == default_operation)
{
- /* default operation list all */
- default_operation = GNUNET_NO;
- get_info = GNUNET_YES;
- tt = GNUNET_SCHEDULER_add_now (&state_machine, NULL);
+ /* default operation list all */
+ default_operation = GNUNET_NO;
+ get_info = GNUNET_YES;
+ tt = GNUNET_SCHEDULER_add_now (&state_machine, NULL);
}
else
{
- GNUNET_SCHEDULER_shutdown ();
+ GNUNET_SCHEDULER_shutdown ();
}
- default_operation = GNUNET_NO;
+ default_operation = GNUNET_NO;
}
int
main (int argc, char *const *argv)
{
- default_operation = GNUNET_YES;
static const struct GNUNET_GETOPT_CommandLineOption options[] = {
{'n', "numeric", NULL,
gettext_noop ("don't resolve host names"),
};
int ret;
- if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+ default_operation = GNUNET_YES;
+ if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc,
+ argv,
+ &argc, &argv))
return 2;
ret = (GNUNET_OK ==
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