* @author David Brodski
*/
+//TODO split rx and tx structures for better handling
+
#include "platform.h"
#include "gnunet_hello_lib.h"
#include "gnunet_protocols.h"
#include "gnunet_common.h"
#include "gnunet_crypto_lib.h"
#include "gnunet_fragmentation_lib.h"
+#include "gnunet_constants.h"
//#include "wlan/ieee80211.h"
//#include <netinet/ip.h>
/**
* Max size of packet
*/
-#define WLAN_MTU 1450
+#define WLAN_MTU 1430
/**
* time out of a session
*/
-#define SESSION_TIMEOUT GNUNET_TIME_UNIT_MINUTES
+#define SESSION_TIMEOUT GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT
/**
* time out of a mac endpoint
*/
-#define MACENDPOINT_TIMEOUT GNUNET_TIME_UNIT_MINUTES
+#define MACENDPOINT_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT, 2)
/**
* scaling factor for hello beacon
*/
-#define HALLO_BEACON_SCALING_FACTOR 900
+#define HELLO_BEACON_SCALING_FACTOR 30
/**
* max size of fragment queue
*/
#define MESSAGES_IN_DEFRAG_QUEUE_PER_MAC 1
+/**
+ * LLC fields for better compatibility
+ */
+#define WLAN_LLC_DSAP_FIELD 0xf
+#define WLAN_LLC_SSAP_FIELD 0xf
+
/**
* DEBUG switch
*/
-#define DEBUG_wlan GNUNET_NO
-#define DEBUG_wlan_retransmission GNUNET_NO
+#define DEBUG_wlan GNUNET_EXTRA_LOGGING
+#define DEBUG_wlan_retransmission GNUNET_EXTRA_LOGGING
#define DEBUG_wlan_ip_udp_packets_on_air GNUNET_NO
+#define DEBUG_wlan_msg_dump GNUNET_EXTRA_LOGGING
-#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
+#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
#define IEEE80211_FC0_VERSION_MASK 0x03
#define IEEE80211_FC0_VERSION_SHIFT 0
struct iph
{
#if __BYTE_ORDER == __LITTLE_ENDIAN
- unsigned int ip_hl :4; /* header length */
- unsigned int ip_v :4; /* version */
+ unsigned int ip_hl:4; /* header length */
+ unsigned int ip_v:4; /* version */
#endif
#if __BYTE_ORDER == __BIG_ENDIAN
- unsigned int ip_v:4; /* version */
- unsigned int ip_hl:4; /* header length */
+ unsigned int ip_v:4; /* version */
+ unsigned int ip_hl:4; /* header length */
#endif
- u_int8_t ip_tos; /* type of service */
- u_short ip_len; /* total length */
- u_short ip_id; /* identification */
- u_short ip_off; /* fragment offset field */
-#define IP_RF 0x8000 /* reserved fragment flag */
-#define IP_DF 0x4000 /* dont fragment flag */
-#define IP_MF 0x2000 /* more fragments flag */
-#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */
- u_int8_t ip_ttl; /* time to live */
- u_int8_t ip_p; /* protocol */
- u_short ip_sum; /* checksum */
- struct in_addr ip_src, ip_dst; /* source and dest address */
+ u_int8_t ip_tos; /* type of service */
+ u_short ip_len; /* total length */
+ u_short ip_id; /* identification */
+ u_short ip_off; /* fragment offset field */
+#define IP_RF 0x8000 /* reserved fragment flag */
+#define IP_DF 0x4000 /* dont fragment flag */
+#define IP_MF 0x2000 /* more fragments flag */
+#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */
+ u_int8_t ip_ttl; /* time to live */
+ u_int8_t ip_p; /* protocol */
+ u_short ip_sum; /* checksum */
+ struct in_addr ip_src, ip_dst; /* source and dest address */
};
struct udphdr
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
u_int8_t i_addr3[IEEE80211_ADDR_LEN];
u_int8_t i_seq[2];
-#if DEBUG_wlan_ip_udp_packets_on_air
-u_int8_t llc[4];
-struct iph ip;
-struct udphdr udp;
+ u_int8_t llc[4];
+#if DEBUG_wlan_ip_udp_packets_on_air > 1
+ struct iph ip;
+ struct udphdr udp;
#endif
-}GNUNET_PACKED;
+} GNUNET_PACKED;
/**
* Encapsulation of all of the state of the plugin.
/**
* List of open connections. head
*/
- struct MacEndpoint * mac_head;
+ struct MacEndpoint *mac_head;
/**
* List of open connections. tail
*/
- struct MacEndpoint * mac_tail;
+ struct MacEndpoint *mac_tail;
/**
* Number of connections
/**
* encapsulation of data from the local wlan helper program
*/
- struct GNUNET_SERVER_MessageStreamTokenizer * suid_tokenizer;
+ struct GNUNET_SERVER_MessageStreamTokenizer *suid_tokenizer;
/**
* encapsulation of packets received from the wlan helper
*/
- struct GNUNET_SERVER_MessageStreamTokenizer * data_tokenizer;
+ struct GNUNET_SERVER_MessageStreamTokenizer *data_tokenizer;
/**
* stdout pipe handle for the gnunet-wlan-helper process
* Sessions currently pending for transmission
* to a peer, if any.
*/
- struct Sessionqueue * pending_Sessions_head;
+ struct Sessionqueue *pending_Sessions_head;
/**
* Sessions currently pending for transmission
* to a peer (tail), if any.
*/
- struct Sessionqueue * pending_Sessions_tail;
+ struct Sessionqueue *pending_Sessions_tail;
/**
* number of pending sessions
/**
* messages ready for send, head
*/
- struct FragmentMessage_queue * sending_messages_head;
+ struct FragmentMessage_queue *sending_messages_head;
/**
* messages ready for send, tail
*/
- struct FragmentMessage_queue * sending_messages_tail;
+ struct FragmentMessage_queue *sending_messages_tail;
/**
* time of the next "hello-beacon"
*/
/**
* queue to send acks for received fragments (head)
*/
- struct AckSendQueue * ack_send_queue_head;
+ struct AckSendQueue *ack_send_queue_head;
/**
* queue to send acks for received fragments (tail)
*/
- struct AckSendQueue * ack_send_queue_tail;
+ struct AckSendQueue *ack_send_queue_tail;
/**
* Tracker for bandwidth limit
*/
struct Finish_send
{
- struct Plugin * plugin;
- char * msgheader;
- struct GNUNET_MessageHeader * msgstart;
+ struct Plugin *plugin;
+ char *msgheader;
+ struct GNUNET_MessageHeader *msgstart;
ssize_t size;
};
//TODO DOXIGEN
struct Sessionqueue
{
- struct Sessionqueue * next;
- struct Sessionqueue * prev;
- struct Session * content;
+ struct Sessionqueue *next;
+ struct Sessionqueue *prev;
+ struct Session *content;
};
/**
//TODO DOXIGEN
struct FragmentMessage_queue
{
- struct FragmentMessage_queue * next;
- struct FragmentMessage_queue * prev;
- struct FragmentMessage * content;
+ struct FragmentMessage_queue *next;
+ struct FragmentMessage_queue *prev;
+ struct FragmentMessage *content;
};
/**
//TODO DOXIGEN
struct Receive_Fragment_Queue
{
- struct Receive_Fragment_Queue * next;
- struct Receive_Fragment_Queue * prev;
+ struct Receive_Fragment_Queue *next;
+ struct Receive_Fragment_Queue *prev;
uint16_t num;
- const char * msg;
+ const char *msg;
uint16_t size;
struct Radiotap_rx rxinfo;
};
//TODO DOXIGEN
struct MacEndpoint_id_fragment_triple
{
- struct MacEndpoint * endpoint;
+ struct MacEndpoint *endpoint;
uint32_t message_id;
- struct FragmentMessage * fm;
+ struct FragmentMessage *fm;
};
//TODO DOXIGEN
struct Plugin_Session_pair
{
- struct Plugin * plugin;
- struct Session * session;
+ struct Plugin *plugin;
+ struct Session *session;
};
/**
/**
* dll next
*/
- struct PendingMessage * next;
+ struct PendingMessage *next;
/**
* dll prev
*/
- struct PendingMessage * prev;
+ struct PendingMessage *prev;
/**
* The pending message
/**
* Cls for transmit_cont
*/
- void * transmit_cont_cls;
+ void *transmit_cont_cls;
/**
* Timeout value for the pending message.
/**
* next ack in the ack send queue
*/
- struct AckSendQueue * next;
+ struct AckSendQueue *next;
/**
* previous ack in the ack send queue
*/
- struct AckSendQueue * prev;
+ struct AckSendQueue *prev;
/**
* pointer to the session this ack belongs to
*/
- struct MacEndpoint * endpoint;
+ struct MacEndpoint *endpoint;
/**
* ID of message, to distinguish between the messages, picked randomly.
*/
/**
* msg to send
*/
- struct GNUNET_MessageHeader * hdr;
+ struct GNUNET_MessageHeader *hdr;
/**
* pointer to the ieee wlan header
*/
- struct ieee80211_frame * ieeewlanheader;
+ struct ieee80211_frame *ieeewlanheader;
/**
* pointer to the radiotap header
*/
- struct Radiotap_Send * radioHeader;
+ struct Radiotap_Send *radioHeader;
};
/**
/**
* the session this message belongs to
*/
- struct Session * session;
+ struct Session *session;
/**
* peer mac address
*/
/**
* mac endpoint
*/
- struct MacEndpoint * macendpoint;
+ struct MacEndpoint *macendpoint;
};
/**
* Message currently pending for transmission
* to this peer, if any. head
*/
- struct PendingMessage * pending_message_head;
+ struct PendingMessage *pending_message_head;
/**
* Message currently pending for transmission
* to this peer, if any. tail
*/
- struct PendingMessage * pending_message_tail;
+ struct PendingMessage *pending_message_tail;
/**
* To whom are we talking to (set to our identity
/**
* peer connection
*/
- struct MacEndpoint * mac;
+ struct MacEndpoint *mac;
/**
* count of messages in the fragment out queue for this session
/**
* Struct to hold the session reachable over this mac; head
*/
- struct Sessionqueue * sessions_head;
+ struct Sessionqueue *sessions_head;
/**
* Struct to hold the session reachable over this mac; tail
*/
- struct Sessionqueue * sessions_tail;
+ struct Sessionqueue *sessions_tail;
/**
* Messages currently sending
* to a peer, if any.
*/
- struct FragmentMessage * sending_messages_head;
+ struct FragmentMessage *sending_messages_head;
/**
* Messages currently sending
* to a peer (tail), if any.
*/
- struct FragmentMessage * sending_messages_tail;
+ struct FragmentMessage *sending_messages_tail;
/**
* dll next
*/
/**
* Defrag context for this mac endpoint
*/
- struct GNUNET_DEFRAGMENT_Context * defrag;
+ struct GNUNET_DEFRAGMENT_Context *defrag;
/**
* count of messages in the fragment out queue for this mac endpoint
/**
* Fragmentation context
*/
- struct GNUNET_FRAGMENT_Context * fragcontext;
+ struct GNUNET_FRAGMENT_Context *fragcontext;
/**
* Timeout value for the message.
/**
* Fragment to send
*/
- char * frag;
+ char *frag;
/**
* size of message
/**
* pointer to the ieee wlan header
*/
- struct ieee80211_frame * ieeewlanheader;
+ struct ieee80211_frame *ieeewlanheader;
/**
* pointer to the radiotap header
*/
- struct Radiotap_Send * radioHeader;
+ struct Radiotap_Send *radioHeader;
};
static void
-do_transmit(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+do_transmit (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
static void
-free_session(struct Plugin * plugin, struct Sessionqueue * queue,
- int do_free_macendpoint);
+free_session (struct Plugin *plugin, struct Sessionqueue *queue,
+ int do_free_macendpoint);
static struct MacEndpoint *
-create_macendpoint(struct Plugin *plugin, const struct MacAddress *addr);
+create_macendpoint (struct Plugin *plugin, const struct MacAddress *addr);
/**
* Generates a nice hexdump of a memory area.
* \param mem pointer to memory to dump
* \param length how many bytes to dump
*/
-void
-hexdump(void *mem, unsigned length)
+static void
+hexdump (const void *mem, unsigned length)
{
char line[80];
- char *src = (char*) mem;
+ char *src = (char *) mem;
- printf(
- "dumping %u bytes from %p\r\n"
- " 0 1 2 3 4 5 6 7 8 9 A B C D E F 0123456789ABCDEF\r\n",
- length, src);
+ printf ("dumping %u bytes from %p\r\n"
+ " 0 1 2 3 4 5 6 7 8 9 A B C D E F 0123456789ABCDEF\r\n",
+ length, src);
unsigned i;
int j;
for (i = 0; i < length; i += 16, src += 16)
- {
- char *t = line;
-
- t += sprintf(t, "%04x: ", i);
- for (j = 0; j < 16; j++)
- {
- if (i + j < length)
- t += sprintf(t, "%02X", src[j] & 0xff);
- else
- t += sprintf(t, " ");
- t += sprintf(t, j % 2 ? " " : "-");
- }
+ {
+ char *t = line;
- t += sprintf(t, " ");
- for (j = 0; j < 16; j++)
- {
- if (i + j < length)
- {
- if (isprint((unsigned char)src[j]))
- t += sprintf(t, "%c", src[j]);
- else
- t += sprintf(t, ".");
- }
- else
- {
- t += sprintf(t, " ");
- }
- }
+ t += sprintf (t, "%04x: ", i);
+ for (j = 0; j < 16; j++)
+ {
+ if (i + j < length)
+ t += sprintf (t, "%02X", src[j] & 0xff);
+ else
+ t += sprintf (t, " ");
+ t += sprintf (t, j % 2 ? " " : "-");
+ }
- t += sprintf(t, "\r\n");
- printf("%s", line);
+ t += sprintf (t, " ");
+ for (j = 0; j < 16; j++)
+ {
+ if (i + j < length)
+ {
+ if (isprint ((unsigned char) src[j]))
+ t += sprintf (t, "%c", src[j]);
+ else
+ t += sprintf (t, ".");
+ }
+ else
+ {
+ t += sprintf (t, " ");
+ }
}
+
+ t += sprintf (t, "\r\n");
+ printf ("%s", line);
+ }
}
/**
* @return
*/
static struct MacEndpoint *
-get_macendpoint(struct Plugin *plugin, const struct MacAddress *addr,
- int create_new)
+get_macendpoint (struct Plugin *plugin, const struct MacAddress *addr,
+ int create_new)
{
- struct MacEndpoint * queue = plugin->mac_head;
+ struct MacEndpoint *queue = plugin->mac_head;
+
while (queue != NULL)
- {
- GNUNET_assert (queue->sessions_head != NULL);
- if (memcmp(addr, &queue->addr, sizeof(struct MacAddress)) == 0)
- return queue; /* session found */
- queue = queue->next;
- }
+ {
+ //GNUNET_assert (queue->sessions_head != NULL);
+ if (memcmp (addr, &queue->addr, sizeof (struct MacAddress)) == 0)
+ return queue; /* session found */
+ queue = queue->next;
+ }
if (create_new == GNUNET_YES)
- {
- return create_macendpoint(plugin, addr);
- }
+ {
+ return create_macendpoint (plugin, addr);
+ }
else
- {
- return NULL;
- }
+ {
+ return NULL;
+ }
}
+
/**
- * search for a session with the addr and peer id
+ * search for a session with the macendpoint and peer id
*
* @param plugin pointer to the plugin struct
- * @param addr pointer to the mac address of the peer
+ * @param endpoint pointer to the mac endpoint of the peer
* @param peer pointer to the peerid
* @return returns the session
*/
static struct Session *
-search_session(struct Plugin *plugin, const struct MacEndpoint * endpoint,
- const struct GNUNET_PeerIdentity * peer)
+search_session (struct Plugin *plugin, const struct MacEndpoint *endpoint,
+ const struct GNUNET_PeerIdentity *peer)
{
- GNUNET_assert(endpoint != NULL);
- struct Sessionqueue * queue = endpoint->sessions_head;
+ GNUNET_assert (endpoint != NULL);
+ struct Sessionqueue *queue = endpoint->sessions_head;
while (queue != NULL)
- {
- GNUNET_assert (queue->content != NULL);
- if (memcmp(peer, &queue->content->target,
- sizeof(struct GNUNET_PeerIdentity)) == 0)
- return queue->content; /* session found */
- queue = queue->next;
- }
+ {
+ GNUNET_assert (queue->content != NULL);
+ if (memcmp
+ (peer, &queue->content->target,
+ sizeof (struct GNUNET_PeerIdentity)) == 0)
+ return queue->content; /* session found */
+ queue = queue->next;
+ }
return NULL;
}
* @param addrlen length of the address
* @return string representing the same address
*/
-static const char*
-wlan_plugin_address_to_string(void *cls, const void *addr, size_t addrlen)
+static const char *
+wlan_plugin_address_to_string (void *cls, const void *addr, size_t addrlen)
{
static char ret[40];
const struct MacAddress *mac;
- if (addrlen != sizeof(struct MacAddress))
- {
- GNUNET_break (0);
- return NULL;
- }
+ if (addrlen != sizeof (struct MacAddress))
+ {
+ GNUNET_break (0);
+ return NULL;
+ }
mac = addr;
- GNUNET_snprintf(ret, sizeof(ret), "%s Mac-Address %X:%X:%X:%X:%X:%X",
- PROTOCOL_PREFIX, mac->mac[0], mac->mac[1], mac->mac[2], mac->mac[3],
- mac->mac[4], mac->mac[5]);
+ GNUNET_snprintf (ret, sizeof (ret), "%s Mac-Address %X:%X:%X:%X:%X:%X",
+ PROTOCOL_PREFIX, mac->mac[0], mac->mac[1], mac->mac[2],
+ mac->mac[3], mac->mac[4], mac->mac[5]);
+
return ret;
}
* @param tc pointer to the GNUNET_SCHEDULER_TaskContext
*/
static void
-session_timeout (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc){
- struct Sessionqueue * queue = cls;
- GNUNET_assert(queue != NULL);
+session_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct Sessionqueue *queue = cls;
+
+ GNUNET_assert (queue != NULL);
+ GNUNET_assert(queue->content != NULL);
queue->content->timeout_task = GNUNET_SCHEDULER_NO_TASK;
- if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN){
- return;
+ if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
+ {
+ return;
+ }
+ if (GNUNET_TIME_absolute_get_remaining
+ (GNUNET_TIME_absolute_add
+ (queue->content->last_activity, SESSION_TIMEOUT)).rel_value == 0)
+ {
+
+ GNUNET_assert(queue->content->mac != NULL);
+ GNUNET_assert(queue->content->mac->plugin != NULL);
+ GNUNET_STATISTICS_update (queue->content->mac->plugin->env->stats, _("# wlan session timeouts"), 1, GNUNET_NO);
+ free_session (queue->content->mac->plugin, queue, GNUNET_YES);
}
- if (GNUNET_TIME_absolute_get_remaining(
- GNUNET_TIME_absolute_add(queue->content->last_activity, SESSION_TIMEOUT)).rel_value
- == 0)
- {
- free_session(queue->content->mac->plugin,queue,GNUNET_YES);
- }
else
- {
- queue->content->timeout_task = GNUNET_SCHEDULER_add_delayed(SESSION_TIMEOUT,
- &session_timeout, queue);
- }
+ {
+ queue->content->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (SESSION_TIMEOUT, &session_timeout, queue);
+ }
}
/**
* create a new session
*
* @param plugin pointer to the plugin struct
- * @param addr pointer to the mac endpoint of the peer
+ * @param endpoint pointer to the mac endpoint of the peer
+ * @param peer peer identity to use for this session
* @return returns the session
*/
static struct Session *
-create_session(struct Plugin *plugin, struct MacEndpoint * endpoint,
- const struct GNUNET_PeerIdentity * peer)
+create_session (struct Plugin *plugin, struct MacEndpoint *endpoint,
+ const struct GNUNET_PeerIdentity *peer)
{
- GNUNET_assert(endpoint != NULL);
- struct Sessionqueue * queue = GNUNET_malloc (sizeof (struct Sessionqueue) + sizeof (struct Session));
+ GNUNET_assert (endpoint != NULL);
+ GNUNET_assert (plugin != NULL);
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan session created"), 1, GNUNET_NO);
+ struct Sessionqueue *queue =
+ GNUNET_malloc (sizeof (struct Sessionqueue) + sizeof (struct Session));
- GNUNET_CONTAINER_DLL_insert_tail(endpoint->sessions_head, endpoint->sessions_tail, queue);
+ GNUNET_CONTAINER_DLL_insert_tail (endpoint->sessions_head,
+ endpoint->sessions_tail, queue);
queue->content = (struct Session *) &queue[1];
queue->content->mac = endpoint;
- memcpy(&(queue->content->target), peer, sizeof(struct GNUNET_PeerIdentity));
- queue->content->last_activity = GNUNET_TIME_absolute_get();
- queue->content->timeout_task = GNUNET_SCHEDULER_add_delayed(SESSION_TIMEOUT,&session_timeout, queue);
+ memcpy (&(queue->content->target), peer, sizeof (struct GNUNET_PeerIdentity));
+ queue->content->last_activity = GNUNET_TIME_absolute_get ();
+ queue->content->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (SESSION_TIMEOUT, &session_timeout, queue);
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME, "New session %p with endpoint %p: %s\n",
- queue->content, endpoint,
- wlan_plugin_address_to_string(NULL, endpoint->addr.mac, 6));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "New session %p with endpoint %p: %s\n", queue->content,
+ endpoint, wlan_plugin_address_to_string (NULL,
+ endpoint->addr.mac,
+ 6));
#endif
return queue->content;
* @return returns the session
*/
static struct Session *
-get_session(struct Plugin *plugin, const struct MacAddress *addr,
- const struct GNUNET_PeerIdentity * peer)
+get_session (struct Plugin *plugin, const struct MacAddress *addr,
+ const struct GNUNET_PeerIdentity *peer)
{
- struct MacEndpoint * mac;
- mac = get_macendpoint(plugin, addr, GNUNET_YES);
- struct Session * session = search_session(plugin, mac, peer);
+ struct MacEndpoint *mac;
+
+ mac = get_macendpoint (plugin, addr, GNUNET_YES);
+ struct Session *session = search_session (plugin, mac, peer);
if (session != NULL)
return session;
- return create_session(plugin, mac, peer);
+ return create_session (plugin, mac, peer);
}
/**
* @param session pointer to the session to add
*/
static void
-queue_session(struct Plugin *plugin, struct Session * session)
+queue_session (struct Plugin *plugin, struct Session *session)
{
- struct Sessionqueue * queue = plugin->pending_Sessions_head;
+ struct Sessionqueue *queue = plugin->pending_Sessions_head;
if (session->pending_message_head != NULL)
+ {
+ while (queue != NULL)
{
- while (queue != NULL)
- {
- // content is never NULL
- GNUNET_assert (queue->content != NULL);
- // is session already in queue?
- if (session == queue->content)
- {
- return;
- }
- // try next
- queue = queue->next;
- }
+ // content is never NULL
+ GNUNET_assert (queue->content != NULL);
+ // is session already in queue?
+ if (session == queue->content)
+ {
+ return;
+ }
+ // try next
+ queue = queue->next;
+ }
- // Session is not in the queue
+ // Session is not in the queue
- queue = GNUNET_malloc (sizeof (struct Sessionqueue));
- queue->content = session;
+ queue = GNUNET_malloc (sizeof (struct Sessionqueue));
+ queue->content = session;
- //insert at the tail
- GNUNET_CONTAINER_DLL_insert_tail(plugin->pending_Sessions_head,
- plugin->pending_Sessions_tail, queue);
- plugin->pendingsessions++;
- }
+ //insert at the tail
+ GNUNET_CONTAINER_DLL_insert_tail (plugin->pending_Sessions_head,
+ plugin->pending_Sessions_tail, queue);
+ plugin->pendingsessions++;
+ GNUNET_STATISTICS_set(plugin->env->stats, _("# wlan pending sessions"), plugin->pendingsessions, GNUNET_NO);
+ }
}
* @param tc GNUNET_SCHEDULER_TaskContext pointer
*/
static void
-delay_fragment_task(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+delay_fragment_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct Plugin * plugin = cls;
+ struct Plugin *plugin = cls;
+
plugin->server_write_delay_task = GNUNET_SCHEDULER_NO_TASK;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
// GNUNET_TIME_UNIT_FOREVER_REL is needed to clean up old msg
if (plugin->server_write_task == GNUNET_SCHEDULER_NO_TASK)
- {
- plugin->server_write_task = GNUNET_SCHEDULER_add_write_file(
- GNUNET_TIME_UNIT_FOREVER_REL, plugin->server_stdin_handle,
- &do_transmit, plugin);
- }
+ {
+ plugin->server_write_task =
+ GNUNET_SCHEDULER_add_write_file (GNUNET_TIME_UNIT_FOREVER_REL,
+ plugin->server_stdin_handle,
+ &do_transmit, plugin);
+ }
}
/**
*/
static void
-set_next_beacon_time(struct Plugin * const plugin)
+set_next_beacon_time (struct Plugin *const plugin)
{
//under 10 known peers: once a second
if (plugin->mac_count < 10)
- {
- plugin->beacon_time = GNUNET_TIME_absolute_add(
- GNUNET_TIME_absolute_get(),
- GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS,
- HALLO_BEACON_SCALING_FACTOR));
- }
+ {
+ plugin->beacon_time =
+ GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (),
+ GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_SECONDS,
+ HELLO_BEACON_SCALING_FACTOR));
+ }
//under 30 known peers: every 10 seconds
else if (plugin->mac_count < 30)
- {
- plugin->beacon_time = GNUNET_TIME_absolute_add(
- GNUNET_TIME_absolute_get(),
- GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS,
- 10 * HALLO_BEACON_SCALING_FACTOR));
- }
+ {
+ plugin->beacon_time =
+ GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (),
+ GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_SECONDS,
+ 10 * HELLO_BEACON_SCALING_FACTOR));
+ }
//over 30 known peers: once a minute
else
- {
- plugin->beacon_time = GNUNET_TIME_absolute_add(
- GNUNET_TIME_absolute_get(),
- GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES,
- HALLO_BEACON_SCALING_FACTOR));
- }
+ {
+ plugin->beacon_time =
+ GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (),
+ GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_MINUTES,
+ HELLO_BEACON_SCALING_FACTOR));
+ }
}
/**
*/
static void
-set_next_send(struct Plugin * const plugin)
+set_next_send (struct Plugin *const plugin)
{
struct GNUNET_TIME_Relative next_send;
//cancel old task
if (plugin->server_write_delay_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->server_write_delay_task);
- plugin->server_write_delay_task = GNUNET_SCHEDULER_NO_TASK;
- }
+ {
+ GNUNET_SCHEDULER_cancel (plugin->server_write_delay_task);
+ plugin->server_write_delay_task = GNUNET_SCHEDULER_NO_TASK;
+ }
//check if some acks are in the queue
if (plugin->ack_send_queue_head != NULL)
- {
- next_send = GNUNET_TIME_UNIT_ZERO;
- }
+ {
+ next_send = GNUNET_TIME_UNIT_ZERO;
+ }
//check if there are some fragments in the queue
else if (plugin->sending_messages_head != NULL)
- {
- next_send = GNUNET_TIME_UNIT_ZERO;
- }
+ {
+ next_send = GNUNET_TIME_UNIT_ZERO;
+ }
else
- {
- next_send = GNUNET_TIME_absolute_get_remaining(plugin->beacon_time);
- }
+ {
+ next_send = GNUNET_TIME_absolute_get_remaining (plugin->beacon_time);
+ }
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME, "Next packet is send in: %u\n",
- next_send.rel_value);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Next packet is send in: %u\n", next_send.rel_value);
#endif
if (next_send.rel_value == GNUNET_TIME_UNIT_ZERO.rel_value)
+ {
+ if (plugin->server_write_task == GNUNET_SCHEDULER_NO_TASK)
{
- if (plugin->server_write_task == GNUNET_SCHEDULER_NO_TASK)
- {
- plugin->server_write_task = GNUNET_SCHEDULER_add_write_file(
- GNUNET_TIME_UNIT_FOREVER_REL, plugin->server_stdin_handle,
- &do_transmit, plugin);
- }
+ plugin->server_write_task =
+ GNUNET_SCHEDULER_add_write_file (GNUNET_TIME_UNIT_FOREVER_REL,
+ plugin->server_stdin_handle,
+ &do_transmit, plugin);
}
+ }
else
+ {
+ if (plugin->server_write_delay_task == GNUNET_SCHEDULER_NO_TASK)
{
- if (plugin->server_write_delay_task == GNUNET_SCHEDULER_NO_TASK)
- {
- plugin->server_write_delay_task = GNUNET_SCHEDULER_add_delayed(
- next_send, &delay_fragment_task, plugin);
- }
+ plugin->server_write_delay_task =
+ GNUNET_SCHEDULER_add_delayed (next_send, &delay_fragment_task,
+ plugin);
}
+ }
}
/**
* @return pointer to the session found, returns NULL if there is now session in the queue
*/
static struct Session *
-get_next_queue_session(struct Plugin * plugin)
+get_next_queue_session (struct Plugin *plugin)
{
- struct Session * session;
- struct Sessionqueue * sessionqueue;
- struct Sessionqueue * sessionqueue_alt;
- struct PendingMessage * pm;
+ struct Session *session;
+ struct Sessionqueue *sessionqueue;
+ struct Sessionqueue *sessionqueue_alt;
+ struct PendingMessage *pm;
+
sessionqueue = plugin->pending_Sessions_head;
while (sessionqueue != NULL)
- {
- session = sessionqueue->content;
+ {
+ session = sessionqueue->content;
- GNUNET_assert(session != NULL);
- pm = session->pending_message_head;
+ GNUNET_assert (session != NULL);
+ pm = session->pending_message_head;
-#if DEBUG_wlan
- if (pm == NULL)
+ if (pm == NULL)
{
+#if DEBUG_wlan
GNUNET_log_from(GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
"pending message is empty, should not happen. session %p\n",
session);
- }
#endif
+ sessionqueue_alt = sessionqueue;
+ sessionqueue = sessionqueue->next;
+ plugin->pendingsessions--;
+ GNUNET_STATISTICS_set(plugin->env->stats, _("# wlan pending sessions"), plugin->pendingsessions, GNUNET_NO);
+ GNUNET_CONTAINER_DLL_remove (plugin->pending_Sessions_head,
+ plugin->pending_Sessions_tail,
+ sessionqueue_alt);
- GNUNET_assert(pm != NULL);
-
- //check for message timeout
- if (GNUNET_TIME_absolute_get_remaining(pm->timeout).rel_value > 0)
- {
- //check if session has no message in the fragment queue
- if ((session->mac->fragment_messages_out_count
- < FRAGMENT_QUEUE_MESSAGES_OUT_PER_MACENDPOINT)
- && (session->fragment_messages_out_count
- < FRAGMENT_QUEUE_MESSAGES_OUT_PER_SESSION))
- {
- plugin->pendingsessions--;
- GNUNET_CONTAINER_DLL_remove (plugin->pending_Sessions_head,
- plugin->pending_Sessions_tail, sessionqueue);
- GNUNET_free(sessionqueue);
+ GNUNET_free (sessionqueue_alt);
+ continue;
- return session;
- }
- else
- {
- sessionqueue = sessionqueue->next;
- }
}
- else
- {
- GNUNET_CONTAINER_DLL_remove(session->pending_message_head, session->pending_message_tail, pm);
-
- //call the cont func that it did not work
- if (pm->transmit_cont != NULL)
- pm->transmit_cont(pm->transmit_cont_cls, &(session->target),
- GNUNET_SYSERR);
- GNUNET_free(pm->msg);
- GNUNET_free(pm);
- if (session->pending_message_head == NULL)
- {
- sessionqueue_alt = sessionqueue;
- sessionqueue = sessionqueue->next;
- plugin->pendingsessions--;
- GNUNET_CONTAINER_DLL_remove (plugin->pending_Sessions_head,
- plugin->pending_Sessions_tail, sessionqueue_alt);
+ //check for message timeout
+ if (GNUNET_TIME_absolute_get_remaining (pm->timeout).rel_value > 0)
+ {
+ //check if session has no message in the fragment queue
+ if ((session->mac->fragment_messages_out_count <
+ FRAGMENT_QUEUE_MESSAGES_OUT_PER_MACENDPOINT) &&
+ (session->fragment_messages_out_count <
+ FRAGMENT_QUEUE_MESSAGES_OUT_PER_SESSION))
+ {
+ plugin->pendingsessions--;
+ GNUNET_STATISTICS_set(plugin->env->stats, _("# wlan pending sessions"), plugin->pendingsessions, GNUNET_NO);
+ GNUNET_CONTAINER_DLL_remove (plugin->pending_Sessions_head,
+ plugin->pending_Sessions_tail,
+ sessionqueue);
+ GNUNET_free (sessionqueue);
+
+ return session;
+ }
+ else
+ {
+ sessionqueue = sessionqueue->next;
+ }
+ }
+ else
+ {
+ GNUNET_CONTAINER_DLL_remove (session->pending_message_head,
+ session->pending_message_tail, pm);
- GNUNET_free(sessionqueue_alt);
- }
- }
+ //call the cont func that it did not work
+ if (pm->transmit_cont != NULL)
+ pm->transmit_cont (pm->transmit_cont_cls, &(session->target),
+ GNUNET_SYSERR);
+ GNUNET_free (pm->msg);
+ GNUNET_free (pm);
+ if (session->pending_message_head == NULL)
+ {
+ sessionqueue_alt = sessionqueue;
+ sessionqueue = sessionqueue->next;
+ plugin->pendingsessions--;
+ GNUNET_STATISTICS_set(plugin->env->stats, _("# wlan pending sessions"), plugin->pendingsessions, GNUNET_NO);
+ GNUNET_CONTAINER_DLL_remove (plugin->pending_Sessions_head,
+ plugin->pending_Sessions_tail,
+ sessionqueue_alt);
+
+ GNUNET_free (sessionqueue_alt);
+ }
}
+
+ }
return NULL;
}
* @param fm message to free
*/
static void
-free_fragment_message(struct Plugin * plugin, struct FragmentMessage * fm)
+free_fragment_message (struct Plugin *plugin, struct FragmentMessage *fm)
{
- struct Session * session = fm->session;
- struct MacEndpoint * endpoint = session->mac;
- struct FragmentMessage_queue * fmq;
- struct FragmentMessage_queue * fmq_next;
+ struct Session *session = fm->session;
+ struct MacEndpoint *endpoint = session->mac;
+ struct FragmentMessage_queue *fmq;
+ struct FragmentMessage_queue *fmq_next;
if (fm != NULL)
+ {
+ fmq = plugin->sending_messages_head;
+ while (fmq != NULL)
{
- fmq = plugin->sending_messages_head;
- while (fmq != NULL)
- {
- fmq_next = fmq->next;
- if (fmq->content == fm)
- {
- GNUNET_CONTAINER_DLL_remove(plugin->sending_messages_head,plugin->sending_messages_tail, fmq);
- GNUNET_free(fmq);
- }
- fmq = fmq_next;
- }
-
- (session->mac->fragment_messages_out_count)--;
- session->fragment_messages_out_count--;
- plugin->pending_Fragment_Messages--;
- GNUNET_CONTAINER_DLL_remove(endpoint->sending_messages_head,endpoint->sending_messages_tail, fm);
- GNUNET_FRAGMENT_context_destroy(fm->fragcontext);
- if (fm->timeout_task != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel(fm->timeout_task);
- GNUNET_free(fm);
+ fmq_next = fmq->next;
+ if (fmq->content == fm)
+ {
+ GNUNET_CONTAINER_DLL_remove (plugin->sending_messages_head,
+ plugin->sending_messages_tail, fmq);
+ GNUNET_free (fmq);
+ }
+ fmq = fmq_next;
+ }
- queue_session(plugin, session);
+ (session->mac->fragment_messages_out_count)--;
+ session->fragment_messages_out_count--;
+ plugin->pending_Fragment_Messages--;
+ GNUNET_CONTAINER_DLL_remove (endpoint->sending_messages_head,
+ endpoint->sending_messages_tail, fm);
+ GNUNET_FRAGMENT_context_destroy (fm->fragcontext);
+ if (fm->timeout_task != GNUNET_SCHEDULER_NO_TASK)
+ GNUNET_SCHEDULER_cancel (fm->timeout_task);
+ GNUNET_free (fm);
+
+ queue_session (plugin, session);
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Free pending fragment messages %p, session %p\n", fm, session);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Free pending fragment messages %p, session %p\n", fm,
+ session);
#endif
- }
+ }
}
/**
* @return GNUNET_YES at success
*/
static int
-getRadiotapHeader(struct Plugin * plugin, struct MacEndpoint * endpoint,
- struct Radiotap_Send * header)
+getRadiotapHeader (struct Plugin *plugin, struct MacEndpoint *endpoint,
+ struct Radiotap_Send *header)
{
if (endpoint != NULL)
- {
- header->rate = endpoint->rate;
- header->tx_power = endpoint->tx_power;
- header->antenna = endpoint->antenna;
- }
+ {
+ header->rate = endpoint->rate;
+ header->tx_power = endpoint->tx_power;
+ header->antenna = endpoint->antenna;
+ }
else
- {
- header->rate = 255;
- header->tx_power = 0;
- header->antenna = 0;
- }
+ {
+ header->rate = 255;
+ header->tx_power = 0;
+ header->antenna = 0;
+ }
return GNUNET_YES;
}
* @param Header address to write the header to
* @param to_mac_addr address of the recipient
* @param plugin pointer to the plugin struct
+ * @param size size of the whole packet, needed to calculate the time to send the packet
* @return GNUNET_YES if there was no error
*/
static int
-getWlanHeader(struct ieee80211_frame * Header,
- const struct MacAddress * to_mac_addr, struct Plugin * plugin,
- unsigned int size)
+getWlanHeader (struct ieee80211_frame *Header,
+ const struct MacAddress *to_mac_addr, struct Plugin *plugin,
+ unsigned int size)
{
- uint16_t * tmp16;
+ uint16_t *tmp16;
const int rate = 11000000;
Header->i_fc[0] = IEEE80211_FC0_TYPE_DATA;
Header->i_fc[1] = 0x00;
- memcpy(&Header->i_addr3, &mac_bssid, sizeof(mac_bssid));
- memcpy(&Header->i_addr2, plugin->mac_address.mac, sizeof(plugin->mac_address));
- memcpy(&Header->i_addr1, to_mac_addr, sizeof(struct MacAddress));
+ memcpy (&Header->i_addr3, &mac_bssid, sizeof (mac_bssid));
+ memcpy (&Header->i_addr2, plugin->mac_address.mac,
+ sizeof (plugin->mac_address));
+ memcpy (&Header->i_addr1, to_mac_addr, sizeof (struct MacAddress));
- tmp16 = (uint16_t*) Header->i_dur;
- *tmp16 = (uint16_t) htole16((size * 1000000) / rate + 290);
+ tmp16 = (uint16_t *) Header->i_dur;
+ *tmp16 = (uint16_t) htole16 ((size * 1000000) / rate + 290);
+ Header->llc[0] = WLAN_LLC_DSAP_FIELD;
+ Header->llc[1] = WLAN_LLC_SSAP_FIELD;
-#if DEBUG_wlan_ip_udp_packets_on_air
+#if DEBUG_wlan_ip_udp_packets_on_air > 1
uint crc = 0;
- uint16_t * x;
+ uint16_t *x;
int count;
- Header->ip.ip_dst.s_addr = *((uint32_t*) &to_mac_addr->mac[2]);
- Header->ip.ip_src.s_addr = *((uint32_t*) &plugin->mac_address.mac[2]);
+
+ Header->ip.ip_dst.s_addr = *((uint32_t *) & to_mac_addr->mac[2]);
+ Header->ip.ip_src.s_addr = *((uint32_t *) & plugin->mac_address.mac[2]);
Header->ip.ip_v = 4;
Header->ip.ip_hl = 5;
Header->ip.ip_p = 17;
Header->ip.ip_ttl = 1;
- Header->ip.ip_len = htons(size + 8);
+ Header->ip.ip_len = htons (size + 8);
Header->ip.ip_sum = 0;
- x =(uint16_t *) &Header->ip;
- count = sizeof(struct iph);
+ x = (uint16_t *) & Header->ip;
+ count = sizeof (struct iph);
while (count > 1)
- {
- /* This is the inner loop */
- crc += (unsigned short) * x++;
- count -= 2;
- }
+ {
+ /* This is the inner loop */
+ crc += (unsigned short) *x++;
+ count -= 2;
+ }
/* Add left-over byte, if any */
- if( count > 0 )
- crc += * (unsigned char *) x;
+ if (count > 0)
+ crc += *(unsigned char *) x;
crc = (crc & 0xffff) + (crc >> 16);
- Header->ip.ip_sum = htons(~ (unsigned short) crc);
- Header->llc[0] = 6;
- Header->llc[1] = 6;
- Header->udp.len = htons(size - sizeof(struct ieee80211_frame));
+ Header->ip.ip_sum = htons (~(unsigned short) crc);
+ Header->udp.len = htons (size - sizeof (struct ieee80211_frame));
#endif
*/
uint32_t
-getcrc32(const char *msgbuf, size_t msgbuf_size)
+getcrc32 (const char *msgbuf, size_t msgbuf_size)
{
- return GNUNET_CRYPTO_crc32_n(msgbuf, msgbuf_size);;
+ return GNUNET_CRYPTO_crc32_n (msgbuf, msgbuf_size);;
}
/**
*/
uint16_t
-getcrc16(const char *msgbuf, size_t msgbuf_size)
+getcrc16 (const char *msgbuf, size_t msgbuf_size)
{
//TODO calc some crc
return 0;
*/
void
-add_message_for_send(void *cls, const struct GNUNET_MessageHeader *hdr)
+add_message_for_send (void *cls, const struct GNUNET_MessageHeader *hdr)
{
- struct FragmentMessage * fm = cls;
- struct FragmentMessage_queue * fmqueue;
+ struct FragmentMessage *fm = cls;
+ struct FragmentMessage_queue *fmqueue;
- GNUNET_assert(cls != NULL);
- GNUNET_assert(fm->frag == NULL);
- struct MacEndpoint * endpoint = fm->session->mac;
- struct Plugin * plugin = endpoint->plugin;
- struct GNUNET_MessageHeader * msgheader;
- struct GNUNET_MessageHeader * msgheader2;
+ GNUNET_assert (cls != NULL);
+ GNUNET_assert (fm->frag == NULL);
+ struct MacEndpoint *endpoint = fm->session->mac;
+ struct Plugin *plugin = endpoint->plugin;
+ struct GNUNET_MessageHeader *msgheader;
+ struct GNUNET_MessageHeader *msgheader2;
uint16_t size;
-#if DEBUG_wlan_retransmission
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Adding fragment of message %p to send, session %p, endpoint %p\n", fm,
- fm->session, endpoint);
+#if DEBUG_wlan_retransmission > 1
+ GNUNET_loHELLO_BEACON_SCALING_FACTORg_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Adding fragment of message %p to send, session %p, endpoint %p, type %u\n",
+ fm, fm->session, endpoint, hdr->type);
#endif
- size = sizeof(struct GNUNET_MessageHeader) + sizeof(struct Radiotap_Send)
- + sizeof(struct ieee80211_frame) + ntohs(hdr->size);
- fm->frag = GNUNET_malloc(size);
+ size =
+ sizeof (struct GNUNET_MessageHeader) + sizeof (struct Radiotap_Send) +
+ sizeof (struct ieee80211_frame) + ntohs (hdr->size);
+ fm->frag = GNUNET_malloc (size);
fm->size = size;
msgheader = (struct GNUNET_MessageHeader *) fm->frag;
- msgheader->size = htons(size);
- msgheader->type = htons(GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA);
+ msgheader->size = htons (size);
+ msgheader->type = htons (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA);
- fm->radioHeader = (struct Radiotap_Send*) &msgheader[1];
- fm->ieeewlanheader = (struct ieee80211_frame*) &fm->radioHeader[1];
- msgheader2 = (struct GNUNET_MessageHeader*) &fm->ieeewlanheader[1];
- memcpy(msgheader2, hdr, ntohs(hdr->size));
+ fm->radioHeader = (struct Radiotap_Send *) &msgheader[1];
+ fm->ieeewlanheader = (struct ieee80211_frame *) &fm->radioHeader[1];
+ msgheader2 = (struct GNUNET_MessageHeader *) &fm->ieeewlanheader[1];
+ memcpy (msgheader2, hdr, ntohs (hdr->size));
- fmqueue = GNUNET_malloc(sizeof(struct FragmentMessage_queue));
+ fmqueue = GNUNET_malloc (sizeof (struct FragmentMessage_queue));
fmqueue->content = fm;
- GNUNET_CONTAINER_DLL_insert_tail(plugin->sending_messages_head,
- plugin->sending_messages_tail, fmqueue);
- set_next_send(plugin);
+ GNUNET_CONTAINER_DLL_insert_tail (plugin->sending_messages_head,
+ plugin->sending_messages_tail, fmqueue);
+ set_next_send (plugin);
}
/**
- * function to send a hallo beacon
+ * function to send a hello beacon
* @param plugin pointer to the plugin struct
*/
static void
-send_hello_beacon(struct Plugin * plugin)
+send_hello_beacon (struct Plugin *plugin)
{
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME, "Sending hello beacon\n");
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Sending hello beacon\n");
#endif
uint16_t size;
ssize_t bytes;
- uint16_t hallo_size;
- struct GNUNET_MessageHeader * msgheader;
- struct ieee80211_frame * ieeewlanheader;
- struct Radiotap_Send * radioHeader;
- struct GNUNET_MessageHeader * msgheader2;
+ uint16_t hello_size;
+ struct GNUNET_MessageHeader *msgheader;
+ struct ieee80211_frame *ieeewlanheader;
+ struct Radiotap_Send *radioHeader;
+ struct GNUNET_MessageHeader *msgheader2;
const struct GNUNET_MessageHeader *hello;
+ GNUNET_assert (plugin != NULL);
+
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan hello beacons send"), 1, GNUNET_NO);
+
hello = plugin->env->get_our_hello ();
- hallo_size = GNUNET_HELLO_size((struct GNUNET_HELLO_Message*)hello);
- GNUNET_assert(sizeof(struct WlanHeader) + hallo_size <= WLAN_MTU);
- size = sizeof(struct GNUNET_MessageHeader) + sizeof(struct Radiotap_Send)
- + sizeof(struct ieee80211_frame) + sizeof(struct GNUNET_MessageHeader)
- + hallo_size;
+ hello_size = GNUNET_HELLO_size ((struct GNUNET_HELLO_Message *) hello);
+ GNUNET_assert (sizeof (struct WlanHeader) + hello_size <= WLAN_MTU);
+ size =
+ sizeof (struct GNUNET_MessageHeader) + sizeof (struct Radiotap_Send) +
+ sizeof (struct ieee80211_frame) + hello_size;
- msgheader = GNUNET_malloc(size);
- msgheader->size = htons(size);
- msgheader->type = htons(GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA);
+ msgheader = GNUNET_malloc (size);
+ msgheader->size = htons (size);
+ msgheader->type = htons (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA);
- radioHeader = (struct Radiotap_Send*) &msgheader[1];
- getRadiotapHeader(plugin, NULL, radioHeader);
- ieeewlanheader = (struct ieee80211_frame*) &radioHeader[1];
- getWlanHeader(ieeewlanheader, &bc_all_mac, plugin, size);
+ radioHeader = (struct Radiotap_Send *) &msgheader[1];
+ getRadiotapHeader (plugin, NULL, radioHeader);
+ ieeewlanheader = (struct ieee80211_frame *) &radioHeader[1];
+ getWlanHeader (ieeewlanheader, &bc_all_mac, plugin, size);
- msgheader2 = (struct GNUNET_MessageHeader*) &ieeewlanheader[1];
- msgheader2->size = htons(GNUNET_HELLO_size((struct GNUNET_HELLO_Message*)hello)
- + sizeof(struct GNUNET_MessageHeader));
+ msgheader2 = (struct GNUNET_MessageHeader *) &ieeewlanheader[1];
+ /*msgheader2->size =
+ htons (GNUNET_HELLO_size ((struct GNUNET_HELLO_Message *) hello) +
+ sizeof (struct GNUNET_MessageHeader));
- msgheader2->type = htons(GNUNET_MESSAGE_TYPE_WLAN_ADVERTISEMENT);
- memcpy(&msgheader2[1], hello, hallo_size);
+ msgheader2->type = htons (GNUNET_MESSAGE_TYPE_WLAN_ADVERTISEMENT);*/
+ memcpy (msgheader2, hello, hello_size);
- bytes = GNUNET_DISK_file_write(plugin->server_stdin_handle, msgheader, size);
+ bytes = GNUNET_DISK_file_write (plugin->server_stdin_handle, msgheader, size);
if (bytes == GNUNET_SYSERR)
- {
- GNUNET_log_from(GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
- _("Error writing to wlan healper. errno == %d, ERROR: %s\n"),
- errno, strerror(errno));
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
+ _
+ ("Error writing to wlan healper. errno == %d, ERROR: %s\n"),
+ errno, strerror (errno));
- }
- GNUNET_assert(bytes != GNUNET_SYSERR);
- GNUNET_assert(bytes == size);
- GNUNET_free(msgheader);
+ }
+ GNUNET_assert (bytes != GNUNET_SYSERR);
+ GNUNET_assert (bytes == size);
+ GNUNET_free (msgheader);
- set_next_beacon_time(plugin);
- set_next_send(plugin);
+ set_next_beacon_time (plugin);
+ set_next_send (plugin);
}
/**
*/
static void
-add_ack_for_send(void *cls, uint32_t msg_id,
- const struct GNUNET_MessageHeader *hdr)
+add_ack_for_send (void *cls, uint32_t msg_id,
+ const struct GNUNET_MessageHeader *hdr)
{
- struct AckSendQueue * ack;
+ struct AckSendQueue *ack;
- GNUNET_assert(cls != NULL);
- struct MacEndpoint * endpoint = cls;
- struct Plugin * plugin = endpoint->plugin;
- struct GNUNET_MessageHeader * msgheader;
- struct GNUNET_MessageHeader * msgheader2;
+ GNUNET_assert (cls != NULL);
+ struct MacEndpoint *endpoint = cls;
+ struct Plugin *plugin = endpoint->plugin;
+ struct GNUNET_MessageHeader *msgheader;
+ struct GNUNET_MessageHeader *msgheader2;
uint16_t size;
- size = sizeof(struct GNUNET_MessageHeader) + sizeof(struct Radiotap_Send)
- + sizeof(struct ieee80211_frame) + ntohs(hdr->size)
- + sizeof(struct AckSendQueue);
+ size =
+ sizeof (struct GNUNET_MessageHeader) + sizeof (struct Radiotap_Send) +
+ sizeof (struct ieee80211_frame) + ntohs (hdr->size) +
+ sizeof (struct AckSendQueue);
- ack = GNUNET_malloc(size);
+ ack = GNUNET_malloc (size);
ack->message_id = msg_id;
ack->endpoint = endpoint;
- size = sizeof(struct GNUNET_MessageHeader) + sizeof(struct Radiotap_Send)
- + sizeof(struct ieee80211_frame) + ntohs(hdr->size);
+ size =
+ sizeof (struct GNUNET_MessageHeader) + sizeof (struct Radiotap_Send) +
+ sizeof (struct ieee80211_frame) + ntohs (hdr->size);
msgheader = (struct GNUNET_MessageHeader *) &ack[1];
ack->hdr = (struct GNUNET_MessageHeader *) &ack[1];
- msgheader->size = htons(size);
- msgheader->type = htons(GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA);
+ msgheader->size = htons (size);
+ msgheader->type = htons (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA);
- ack->radioHeader = (struct Radiotap_Send*) &msgheader[1];
- ack->ieeewlanheader = (struct ieee80211_frame*) &(ack->radioHeader)[1];
- msgheader2 = (struct GNUNET_MessageHeader*) &(ack->ieeewlanheader)[1];
- memcpy(msgheader2, hdr, ntohs(hdr->size));
+ ack->radioHeader = (struct Radiotap_Send *) &msgheader[1];
+ ack->ieeewlanheader = (struct ieee80211_frame *) &(ack->radioHeader)[1];
+ msgheader2 = (struct GNUNET_MessageHeader *) &(ack->ieeewlanheader)[1];
+ memcpy (msgheader2, hdr, ntohs (hdr->size));
- GNUNET_CONTAINER_DLL_insert_tail(plugin->ack_send_queue_head,
- plugin->ack_send_queue_tail, ack);
+ GNUNET_CONTAINER_DLL_insert_tail (plugin->ack_send_queue_head,
+ plugin->ack_send_queue_tail, ack);
-#if DEBUG_wlan_retransmission
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Adding ack with message id %u to send, AckSendQueue %p, endpoint %p\n",
- msg_id, ack, endpoint);
+#if DEBUG_wlan_retransmission > 1
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Adding ack with message id %u to send, AckSendQueue %p, endpoint %p\n",
+ msg_id, ack, endpoint);
#endif
- set_next_send(plugin);
+ set_next_send (plugin);
}
/**
*/
static void
fragmentmessage_timeout (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc){
- struct FragmentMessage * fm = cls;
- GNUNET_assert(fm != NULL);
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct FragmentMessage *fm = cls;
+
+ GNUNET_assert (fm != NULL);
fm->timeout_task = GNUNET_SCHEDULER_NO_TASK;
- if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN){
- return;
+ if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
+ {
+ return;
}
- free_fragment_message(fm->session->mac->plugin,fm);
+ free_fragment_message (fm->session->mac->plugin, fm);
}
/**
*/
static void
-check_fragment_queue(struct Plugin * plugin)
+check_fragment_queue (struct Plugin *plugin)
{
- struct Session * session;
- struct FragmentMessage * fm;
+ struct Session *session;
+ struct FragmentMessage *fm;
struct GNUNET_PeerIdentity pid;
- struct PendingMessage * pm;
+ struct PendingMessage *pm;
if (plugin->pending_Fragment_Messages < FRAGMENT_QUEUE_SIZE)
+ {
+ session = get_next_queue_session (plugin);
+ if (session != NULL)
{
- session = get_next_queue_session(plugin);
- if (session != NULL)
- {
- pm = session->pending_message_head;
- GNUNET_CONTAINER_DLL_remove(session->pending_message_head, session->pending_message_tail, pm);
- session->mac->fragment_messages_out_count++;
- session->fragment_messages_out_count++;
- plugin->pending_Fragment_Messages++;
- GNUNET_assert(pm != NULL);
-
- fm = GNUNET_malloc(sizeof(struct FragmentMessage));
- fm->session = session;
- fm->timeout.abs_value = pm->timeout.abs_value;
- fm->frag = NULL;
- fm->fragcontext = GNUNET_FRAGMENT_context_create(plugin->env->stats,
- WLAN_MTU, &plugin->tracker, GNUNET_TIME_UNIT_SECONDS,
- &(pm->msg->header), &add_message_for_send,
- fm);
- fm->timeout_task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_absolute_get_remaining(fm->timeout),fragmentmessage_timeout,fm);
- GNUNET_CONTAINER_DLL_insert_tail(session->mac->sending_messages_head,session->mac->sending_messages_tail,fm);
-
- if (pm->transmit_cont != NULL)
- {
- pid = session->target;
- pm->transmit_cont(pm->transmit_cont_cls, &pid, GNUNET_OK);
+ pm = session->pending_message_head;
+ GNUNET_assert (pm != NULL);
+ GNUNET_CONTAINER_DLL_remove (session->pending_message_head,
+ session->pending_message_tail, pm);
+ session->mac->fragment_messages_out_count++;
+ session->fragment_messages_out_count++;
+ plugin->pending_Fragment_Messages++;
+
+ fm = GNUNET_malloc (sizeof (struct FragmentMessage));
+ fm->session = session;
+ fm->timeout.abs_value = pm->timeout.abs_value;
+ fm->frag = NULL;
+ fm->fragcontext =
+ GNUNET_FRAGMENT_context_create (plugin->env->stats, WLAN_MTU,
+ &plugin->tracker,
+ GNUNET_TIME_UNIT_SECONDS,
+ &(pm->msg->header),
+ &add_message_for_send, fm);
+ fm->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining
+ (fm->timeout), fragmentmessage_timeout,
+ fm);
+ GNUNET_CONTAINER_DLL_insert_tail (session->mac->sending_messages_head,
+ session->mac->sending_messages_tail,
+ fm);
+
+ if (pm->transmit_cont != NULL)
+ {
+ pid = session->target;
+ pm->transmit_cont (pm->transmit_cont_cls, &pid, GNUNET_OK);
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "called pm->transmit_cont for %p\n", session);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "called pm->transmit_cont for %p\n", session);
#endif
- }
- else
- {
+ }
+ else
+ {
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "no pm->transmit_cont for %p\n", session);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "no pm->transmit_cont for %p\n", session);
#endif
- }
- GNUNET_free(pm);
+ }
+ GNUNET_free (pm);
- if (session->pending_message_head != NULL)
- {
- //requeue session
- queue_session(plugin, session);
- }
+ if (session->pending_message_head != NULL)
+ {
+ //requeue session
+ queue_session (plugin, session);
+ }
- }
}
+ }
//check if timeout changed
- set_next_send(plugin);
+ set_next_send (plugin);
}
/**
* @param ack pointer to the ack to send
*/
static void
-send_ack(struct Plugin * plugin, struct AckSendQueue * ack)
+send_ack (struct Plugin *plugin, struct AckSendQueue *ack)
{
ssize_t bytes;
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Sending ack for message_id %u for mac endpoint %p, size %u\n",
- ack->message_id, ack->endpoint,
- ntohs(ack->hdr->size) - sizeof(struct Radiotap_Send));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Sending ack for message_id %u for mac endpoint %p, size %u\n",
+ ack->message_id, ack->endpoint,
+ ntohs (ack->hdr->size) - sizeof (struct Radiotap_Send));
#endif
- getRadiotapHeader(plugin, ack->endpoint, ack->radioHeader);
- getWlanHeader(ack->ieeewlanheader, &ack->endpoint->addr, plugin,
- ntohs(ack->hdr->size));
+ GNUNET_assert (plugin != NULL);
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan acks send"), 1, GNUNET_NO);
+
+ getRadiotapHeader (plugin, ack->endpoint, ack->radioHeader);
+ getWlanHeader (ack->ieeewlanheader, &ack->endpoint->addr, plugin,
+ ntohs (ack->hdr->size));
- bytes = GNUNET_DISK_file_write(plugin->server_stdin_handle, ack->hdr,
- ntohs(ack->hdr->size));
+ bytes =
+ GNUNET_DISK_file_write (plugin->server_stdin_handle, ack->hdr,
+ ntohs (ack->hdr->size));
if (bytes == GNUNET_SYSERR)
- {
- GNUNET_log_from(GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
- _("Error writing to wlan healper. errno == %d, ERROR: %s\n"),
- errno, strerror(errno));
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
+ _
+ ("Error writing to wlan healper. errno == %d, ERROR: %s\n"),
+ errno, strerror (errno));
- }
- GNUNET_assert(bytes != GNUNET_SYSERR);
- GNUNET_assert(bytes == ntohs(ack->hdr->size));
- set_next_send(plugin);
+ }
+ GNUNET_assert (bytes != GNUNET_SYSERR);
+ GNUNET_assert (bytes == ntohs (ack->hdr->size));
+ set_next_send (plugin);
}
/**
* @param tc TaskContext
*/
static void
-finish_sending(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+finish_sending (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct Finish_send * finish = cls;
- struct Plugin * plugin;
+ struct Finish_send *finish = cls;
+ struct Plugin *plugin;
ssize_t bytes;
plugin = finish->plugin;
plugin->server_write_task = GNUNET_SCHEDULER_NO_TASK;
if (0 != (GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason))
- {
- GNUNET_free (finish->msgstart);
- GNUNET_free (finish);
- return;
- }
- bytes = GNUNET_DISK_file_write(plugin->server_stdin_handle,
- finish->msgheader, finish->size);
+ {
+ GNUNET_free (finish->msgstart);
+ GNUNET_free (finish);
+ return;
+ }
+ bytes =
+ GNUNET_DISK_file_write (plugin->server_stdin_handle, finish->msgheader,
+ finish->size);
GNUNET_assert (bytes != GNUNET_SYSERR);
if (bytes != finish->size)
- {
- finish->msgheader = finish->msgheader + bytes;
- finish->size = finish->size - bytes;
- plugin->server_write_task = GNUNET_SCHEDULER_add_write_file(
- GNUNET_TIME_UNIT_FOREVER_REL, plugin->server_stdin_handle,
- &finish_sending, finish);
- }
+ {
+ finish->msgheader = finish->msgheader + bytes;
+ finish->size = finish->size - bytes;
+ plugin->server_write_task =
+ GNUNET_SCHEDULER_add_write_file (GNUNET_TIME_UNIT_FOREVER_REL,
+ plugin->server_stdin_handle,
+ &finish_sending, finish);
+ }
else
- {
- GNUNET_free(finish->msgstart);
- GNUNET_free(finish);
- set_next_send(plugin);
- }
+ {
+ GNUNET_free (finish->msgstart);
+ GNUNET_free (finish);
+ set_next_send (plugin);
+ }
}
/**
* @param tc GNUNET_SCHEDULER_TaskContext
*/
static void
-do_transmit(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_transmit (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct Plugin * plugin = cls;
+ struct Plugin *plugin = cls;
+ GNUNET_assert (plugin != NULL);
plugin->server_write_task = GNUNET_SCHEDULER_NO_TASK;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
- struct Session * session;
- struct FragmentMessage * fm;
- struct Finish_send * finish;
- struct FragmentMessage_queue * fmq;
- struct AckSendQueue * ack;
+ struct Session *session;
+ struct FragmentMessage *fm;
+ struct Finish_send *finish;
+ struct FragmentMessage_queue *fmq;
+ struct AckSendQueue *ack;
ssize_t bytes;
if (plugin->ack_send_queue_head != NULL)
- {
- ack = plugin->ack_send_queue_head;
- GNUNET_CONTAINER_DLL_remove(plugin->ack_send_queue_head,
- plugin->ack_send_queue_tail, ack);
- send_ack(plugin, ack);
- GNUNET_free(ack);
- return;
- }
+ {
+ ack = plugin->ack_send_queue_head;
+ GNUNET_CONTAINER_DLL_remove (plugin->ack_send_queue_head,
+ plugin->ack_send_queue_tail, ack);
+ send_ack (plugin, ack);
+ GNUNET_free (ack);
+ return;
+ }
//test if a "hello-beacon" has to be send
- if (GNUNET_TIME_absolute_get_remaining(plugin->beacon_time).rel_value == 0)
- {
- send_hello_beacon(plugin);
- return;
- }
+ if (GNUNET_TIME_absolute_get_remaining (plugin->beacon_time).rel_value == 0)
+ {
+ send_hello_beacon (plugin);
+ return;
+ }
if (plugin->sending_messages_head != NULL)
- {
- fmq = plugin->sending_messages_head;
- fm = fmq->content;
- GNUNET_CONTAINER_DLL_remove(plugin->sending_messages_head,plugin->sending_messages_tail,fmq);
- GNUNET_free(fmq);
+ {
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan fragments send"), 1, GNUNET_NO);
- session = fm->session;
- GNUNET_assert(session != NULL);
+ fmq = plugin->sending_messages_head;
+ fm = fmq->content;
+ GNUNET_CONTAINER_DLL_remove (plugin->sending_messages_head,
+ plugin->sending_messages_tail, fmq);
+ GNUNET_free (fmq);
+
+ session = fm->session;
+ GNUNET_assert (session != NULL);
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG,PLUGIN_LOG_NAME,
- "Sending GNUNET_MESSAGE_TYPE_WLAN_FRAGMENT for fragment message %p, size: %u\n",
- fm, fm->size);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Sending GNUNET_MESSAGE_TYPE_WLAN_FRAGMENT for fragment message %p, size: %u\n",
+ fm, fm->size);
#endif
- getRadiotapHeader(plugin, session->mac, fm->radioHeader);
- getWlanHeader(fm->ieeewlanheader, &(fm->session->mac->addr), plugin,
- fm->size);
-
- bytes = GNUNET_DISK_file_write(plugin->server_stdin_handle, fm->frag,
- fm->size);
- if (bytes == GNUNET_SYSERR)
- {
- GNUNET_log_from(GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
- _("Error writing to wlan healper. errno == %d, ERROR: %s\n"),
- errno, strerror(errno));
-
- }
- GNUNET_assert(bytes != GNUNET_SYSERR);
+ getRadiotapHeader (plugin, session->mac, fm->radioHeader);
+ getWlanHeader (fm->ieeewlanheader, &(fm->session->mac->addr), plugin,
+ fm->size);
- if (bytes != fm->size)
- {
- finish = GNUNET_malloc(sizeof( struct Finish_send));
- finish->plugin = plugin;
- finish->msgheader = fm->frag + bytes;
- finish->size = fm->size - bytes;
- finish->msgstart = (struct GNUNET_MessageHeader *) fm->frag;
-
- GNUNET_assert(plugin->server_write_task == GNUNET_SCHEDULER_NO_TASK);
-
- plugin->server_write_task = GNUNET_SCHEDULER_add_write_file(
- GNUNET_TIME_UNIT_FOREVER_REL, plugin->server_stdin_handle,
- &finish_sending, finish);
- fm->frag = NULL;
- }
- else
- {
- GNUNET_free(fm->frag);
- fm->frag = NULL;
- set_next_send(plugin);
- }
- GNUNET_FRAGMENT_context_transmission_done (fm->fragcontext);
- return;
+ bytes =
+ GNUNET_DISK_file_write (plugin->server_stdin_handle, fm->frag,
+ fm->size);
+ if (bytes == GNUNET_SYSERR)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
+ _
+ ("Error writing to wlan healper. errno == %d, ERROR: %s\n"),
+ errno, strerror (errno));
+ //TODO START NEW WLAN HELPER
+ /*
+ * alle sessions beenden
+ * neu starten (alle 5 sec)
+ * alles bis dahin ablehnen
+ */
}
+ //GNUNET_assert (bytes != GNUNET_SYSERR);
- GNUNET_log_from(GNUNET_ERROR_TYPE_WARNING, PLUGIN_LOG_NAME,
- "do_transmit did nothing, should not happen!\n");
-}
-
-/**
- * Another peer has suggested an address for this
- * peer and transport plugin. Check that this could be a valid
+ if (bytes != fm->size)
+ {
+ finish = GNUNET_malloc (sizeof (struct Finish_send));
+ finish->plugin = plugin;
+ finish->msgheader = fm->frag + bytes;
+ finish->size = fm->size - bytes;
+ finish->msgstart = (struct GNUNET_MessageHeader *) fm->frag;
+
+ GNUNET_assert (plugin->server_write_task == GNUNET_SCHEDULER_NO_TASK);
+
+ plugin->server_write_task =
+ GNUNET_SCHEDULER_add_write_file (GNUNET_TIME_UNIT_FOREVER_REL,
+ plugin->server_stdin_handle,
+ &finish_sending, finish);
+ fm->frag = NULL;
+ }
+ else
+ {
+ GNUNET_free (fm->frag);
+ fm->frag = NULL;
+ set_next_send (plugin);
+ }
+ GNUNET_FRAGMENT_context_transmission_done (fm->fragcontext);
+ return;
+ }
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, PLUGIN_LOG_NAME,
+ "do_transmit did nothing, should not happen!\n");
+}
+
+/**
+ * Another peer has suggested an address for this
+ * peer and transport plugin. Check that this could be a valid
* address. If so, consider adding it to the list
* of addresses.
*
* and transport
*/
static int
-wlan_plugin_address_suggested(void *cls, const void *addr, size_t addrlen)
+wlan_plugin_address_suggested (void *cls, const void *addr, size_t addrlen)
{
//struct Plugin *plugin = cls;
/* check if the address is plausible; if so,
- add it to our list! */
+ * add it to our list! */
- GNUNET_assert(cls !=NULL);
+ GNUNET_assert (cls != NULL);
//FIXME mitm is not checked
//Mac Address has 6 bytes
if (addrlen == 6)
- {
- /* TODO check for bad addresses like multicast, broadcast, etc */
- return GNUNET_OK;
- }
-
+ {
+ /* TODO check for bad addresses like multicast, broadcast, etc */
+#if DEBUG_wlan
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "wlan_plugin_address_suggested got good address, size %u!\n", addrlen);
+#endif
+ return GNUNET_OK;
+ }
+#if DEBUG_wlan
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "wlan_plugin_address_suggested got bad address, size %u!\n", addrlen);
+#endif
return GNUNET_SYSERR;
}
* and does NOT mean that the message was not transmitted (DV)
*/
static ssize_t
-wlan_plugin_send(void *cls, const struct GNUNET_PeerIdentity * target,
- const char *msgbuf, size_t msgbuf_size, unsigned int priority,
- struct GNUNET_TIME_Relative timeout, struct Session *session,
- const void *addr, size_t addrlen, int force_address,
- GNUNET_TRANSPORT_TransmitContinuation cont, void *cont_cls)
+wlan_plugin_send (void *cls, const struct GNUNET_PeerIdentity *target,
+ const char *msgbuf, size_t msgbuf_size, unsigned int priority,
+ struct GNUNET_TIME_Relative timeout, struct Session *session,
+ const void *addr, size_t addrlen, int force_address,
+ GNUNET_TRANSPORT_TransmitContinuation cont, void *cont_cls)
{
- struct Plugin * plugin = cls;
- struct PendingMessage * newmsg;
- struct WlanHeader * wlanheader;
-
+ struct Plugin *plugin = cls;
+ struct PendingMessage *newmsg;
+ struct WlanHeader *wlanheader;
+ GNUNET_assert (plugin != NULL);
//check if msglen > 0
- GNUNET_assert(msgbuf_size > 0);
+ GNUNET_assert (msgbuf_size > 0);
//get session if needed
if (session == NULL)
+ {
+ if (wlan_plugin_address_suggested (plugin, addr, addrlen) == GNUNET_OK)
{
- if (wlan_plugin_address_suggested(plugin, addr, addrlen) == GNUNET_OK)
- {
- session = get_session(plugin, addr, target);
- }
- else
- {
- GNUNET_log_from(GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
- _("Wlan Address len %d is wrong\n"), addrlen);
- return -1;
- }
+ session = get_session (plugin, addr, target);
}
+ else
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
+ _("Wlan Address len %d is wrong\n"), addrlen);
+ return -1;
+ }
+ }
+
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan messages queued"), 1, GNUNET_NO);
//queue message:
//test if there is no other message in the "queue"
//FIXME: to many send requests
if (session->pending_message_head != NULL)
- {
- newmsg = session->pending_message_head;
- GNUNET_log_from(GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
- "wlan_plugin_send: a pending message is already in the queue for this client\n remaining time to send this message is %u, queued fragment messages for this mac connection %u\n",
- GNUNET_TIME_absolute_get_remaining(newmsg->timeout).rel_value,
- session->mac->fragment_messages_out_count);
- }
+ {
+ newmsg = session->pending_message_head;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "wlan_plugin_send: a pending message is already in the queue for this client\n remaining time to send this message is %u, queued fragment messages for this mac connection %u\n",
+ GNUNET_TIME_absolute_get_remaining (newmsg->
+ timeout).rel_value,
+ session->mac->fragment_messages_out_count);
+ }
- newmsg = GNUNET_malloc(sizeof(struct PendingMessage));
- newmsg->msg = GNUNET_malloc(msgbuf_size + sizeof(struct WlanHeader));
+ newmsg = GNUNET_malloc (sizeof (struct PendingMessage));
+ newmsg->msg = GNUNET_malloc (msgbuf_size + sizeof (struct WlanHeader));
wlanheader = newmsg->msg;
//copy msg to buffer, not fragmented / segmented yet, but with message header
- wlanheader->header.size = htons(msgbuf_size + sizeof(struct WlanHeader));
- wlanheader->header.type = htons(GNUNET_MESSAGE_TYPE_WLAN_DATA);
- memcpy(&(wlanheader->target), target, sizeof(struct GNUNET_PeerIdentity));
- memcpy(&(wlanheader->source), plugin->env->my_identity,
- sizeof(struct GNUNET_PeerIdentity));
+ wlanheader->header.size = htons (msgbuf_size + sizeof (struct WlanHeader));
+ wlanheader->header.type = htons (GNUNET_MESSAGE_TYPE_WLAN_DATA);
+ memcpy (&(wlanheader->target), target, sizeof (struct GNUNET_PeerIdentity));
+ memcpy (&(wlanheader->source), plugin->env->my_identity,
+ sizeof (struct GNUNET_PeerIdentity));
wlanheader->crc = 0;
- memcpy(&wlanheader[1], msgbuf, msgbuf_size);
- wlanheader->crc = htonl(
- getcrc32((char*) wlanheader, msgbuf_size + sizeof(struct WlanHeader)));
+ memcpy (&wlanheader[1], msgbuf, msgbuf_size);
+ wlanheader->crc =
+ htonl (getcrc32
+ ((char *) wlanheader, msgbuf_size + sizeof (struct WlanHeader)));
//GNUNET_log_from(GNUNET_ERROR_TYPE_INFO, PLUGIN_LOG_NAME, "Wlan message Header crc: %u, %u\n",getcrc32((char*) wlanheader, msgbuf_size + sizeof(struct WlanHeader)), wlanheader->crc);
//hexdump(newmsg->msg, msgbuf_size + sizeof(struct WlanHeader));
newmsg->transmit_cont = cont;
newmsg->transmit_cont_cls = cont_cls;
- newmsg->timeout = GNUNET_TIME_relative_to_absolute(timeout);
+ newmsg->timeout = GNUNET_TIME_relative_to_absolute (timeout);
newmsg->timeout.abs_value = newmsg->timeout.abs_value - 500;
- newmsg->message_size = msgbuf_size + sizeof(struct WlanHeader);
+ newmsg->message_size = msgbuf_size + sizeof (struct WlanHeader);
- GNUNET_CONTAINER_DLL_insert_tail(session->pending_message_head, session->pending_message_tail, newmsg);
+ GNUNET_CONTAINER_DLL_insert_tail (session->pending_message_head,
+ session->pending_message_tail, newmsg);
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "New message for %p with size (incl wlan header) %u added\n", session,
- newmsg->message_size);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "New message for %p with size (incl wlan header) %u added\n",
+ session, newmsg->message_size);
+#endif
+#if DEBUG_wlan_msg_dump > 1
+ hexdump (msgbuf, GNUNET_MIN (msgbuf_size, 256));
#endif
-
//queue session
- queue_session(plugin, session);
+ queue_session (plugin, session);
- check_fragment_queue(plugin);
+ check_fragment_queue (plugin);
//FIXME not the correct size
return msgbuf_size;
/**
* function to free a mac endpoint
* @param plugin pointer to the plugin struct
- * @param endpoin pointer to the MacEndpoint to free
+ * @param endpoint pointer to the MacEndpoint to free
*/
static void
-free_macendpoint(struct Plugin * plugin, struct MacEndpoint * endpoint)
+free_macendpoint (struct Plugin *plugin, struct MacEndpoint *endpoint)
{
- struct Sessionqueue * sessions;
- struct Sessionqueue * sessions_next;
- GNUNET_assert(endpoint != NULL);
+ struct Sessionqueue *sessions;
+ struct Sessionqueue *sessions_next;
+
+ GNUNET_assert (endpoint != NULL);
sessions = endpoint->sessions_head;
while (sessions != NULL)
- {
- sessions_next = sessions->next;
- free_session(plugin, sessions, GNUNET_NO);
- sessions = sessions_next;
- }
+ {
+ sessions_next = sessions->next;
+ free_session (plugin, sessions, GNUNET_NO);
+ sessions = sessions_next;
+ }
- GNUNET_CONTAINER_DLL_remove(plugin->mac_head,plugin->mac_tail,endpoint);
+ GNUNET_CONTAINER_DLL_remove (plugin->mac_head, plugin->mac_tail, endpoint);
if (endpoint->timeout_task != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel(endpoint->timeout_task);
- GNUNET_free(endpoint);
+ GNUNET_SCHEDULER_cancel (endpoint->timeout_task);
+ GNUNET_free (endpoint);
}
* @param free_macendpoint if GNUNET_YES and mac endpoint would be empty, free mac endpoint
*/
static void
-free_session(struct Plugin * plugin, struct Sessionqueue * queue,
- int do_free_macendpoint)
+free_session (struct Plugin *plugin, struct Sessionqueue *queue,
+ int do_free_macendpoint)
{
- struct Sessionqueue * pendingsession;
- struct Sessionqueue * pendingsession_tmp;
- struct PendingMessage * pm;
- struct MacEndpoint * endpoint;
- struct FragmentMessage * fm;
- struct FragmentMessage * fmnext;
+ struct Sessionqueue *pendingsession;
+ struct Sessionqueue *pendingsession_tmp;
+ struct PendingMessage *pm;
+ struct MacEndpoint *endpoint;
+ struct FragmentMessage *fm;
+ struct FragmentMessage *fmnext;
int check = 0;
- GNUNET_assert(queue != NULL);
- GNUNET_assert(queue->content != NULL);
+ GNUNET_assert (plugin != NULL);
+ GNUNET_assert (queue != NULL);
+ GNUNET_assert (queue->content != NULL);
//session found
//is this session pending for send
pendingsession = plugin->pending_Sessions_head;
while (pendingsession != NULL)
+ {
+ pendingsession_tmp = pendingsession;
+ pendingsession = pendingsession->next;
+ GNUNET_assert (pendingsession_tmp->content != NULL);
+ if (pendingsession_tmp->content == queue->content)
{
- pendingsession_tmp = pendingsession->next;
- if (pendingsession->content == queue->content)
- {
- plugin->pendingsessions--;
- GNUNET_CONTAINER_DLL_remove (plugin->pending_Sessions_head,
- plugin->pending_Sessions_tail,
- pendingsession);
- GNUNET_free(pendingsession);
-
- GNUNET_assert (check == 0);
- check = 1;
- }
- pendingsession = pendingsession_tmp;
+ plugin->pendingsessions--;
+ GNUNET_STATISTICS_set(plugin->env->stats, _("# wlan pending sessions"), plugin->pendingsessions, GNUNET_NO);
+ GNUNET_CONTAINER_DLL_remove (plugin->pending_Sessions_head,
+ plugin->pending_Sessions_tail,
+ pendingsession_tmp);
+ GNUNET_free (pendingsession_tmp);
+
+ GNUNET_assert (check == 0);
+ check = 1;
}
+ }
endpoint = queue->content->mac;
fm = endpoint->sending_messages_head;
while (fm != NULL)
+ {
+ fmnext = fm->next;
+ if (fm->session == queue->content)
{
- fmnext = fm->next;
- if (fm->session == queue->content)
- {
- free_fragment_message(plugin, fm);
- }
- fm = fmnext;
+ free_fragment_message (plugin, fm);
}
+ fm = fmnext;
+ }
// remove PendingMessage
pm = queue->content->pending_message_head;
while (pm != NULL)
- {
- GNUNET_CONTAINER_DLL_remove(queue->content->pending_message_head,queue->content->pending_message_tail,pm);
- GNUNET_free(pm->msg);
- GNUNET_free(pm);
- pm = queue->content->pending_message_head;
- }
-
- GNUNET_CONTAINER_DLL_remove(endpoint->sessions_head ,
- endpoint->sessions_tail,
- queue);
+ {
+ GNUNET_CONTAINER_DLL_remove (queue->content->pending_message_head,
+ queue->content->pending_message_tail, pm);
+ GNUNET_free (pm->msg);
+ GNUNET_free (pm);
+ pm = queue->content->pending_message_head;
+ }
+ GNUNET_CONTAINER_DLL_remove (endpoint->sessions_head, endpoint->sessions_tail,
+ queue);
+ //Check that no ohter session on this endpoint for this session exits
+ GNUNET_assert(search_session(plugin, endpoint, &queue->content->target) == NULL);
if (endpoint->sessions_head == NULL && do_free_macendpoint == GNUNET_YES)
- {
- free_macendpoint(plugin, endpoint);
- }
+ {
+ free_macendpoint (plugin, endpoint);
+ //check if no endpoint with the same address exists
+ GNUNET_assert(get_macendpoint(plugin, &endpoint->addr, GNUNET_NO) == NULL);
+ }
if (queue->content->timeout_task != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel(queue->content->timeout_task);
- GNUNET_free(queue);
- check_fragment_queue(plugin);
+ GNUNET_SCHEDULER_cancel (queue->content->timeout_task);
+ GNUNET_free (queue);
+
+ check_fragment_queue (plugin);
}
/**
* @param target peer from which to disconnect
*/
static void
-wlan_plugin_disconnect(void *cls, const struct GNUNET_PeerIdentity *target)
+wlan_plugin_disconnect (void *cls, const struct GNUNET_PeerIdentity *target)
{
struct Plugin *plugin = cls;
- struct Sessionqueue * queue;
- struct Sessionqueue * queue_next;
- struct MacEndpoint * endpoint = plugin->mac_head;
- struct MacEndpoint * endpoint_next;
+ struct Sessionqueue *queue;
+ struct Sessionqueue *queue_next;
+ struct MacEndpoint *endpoint = plugin->mac_head;
+ struct MacEndpoint *endpoint_next;
+
// just look at all the session for the needed one
while (endpoint != NULL)
+ {
+ queue = endpoint->sessions_head;
+ endpoint_next = endpoint->next;
+ while (queue != NULL)
{
- queue = endpoint->sessions_head;
- endpoint_next = endpoint->next;
- while (queue != NULL)
- {
- // content is never NULL
- GNUNET_assert (queue->content != NULL);
- queue_next = queue->next;
- if (memcmp(target, &(queue->content->target),
- sizeof(struct GNUNET_PeerIdentity)) == 0)
- {
- free_session(plugin, queue, GNUNET_YES);
- }
- // try next
- queue = queue_next;
- }
- endpoint = endpoint_next;
+ // content is never NULL
+ GNUNET_assert (queue->content != NULL);
+ queue_next = queue->next;
+ if (memcmp
+ (target, &(queue->content->target),
+ sizeof (struct GNUNET_PeerIdentity)) == 0)
+ {
+ free_session (plugin, queue, GNUNET_YES);
+ }
+ // try next
+ queue = queue_next;
}
+ endpoint = endpoint_next;
+ }
}
/**
* @param asc_cls closure for asc
*/
static void
-wlan_plugin_address_pretty_printer(void *cls, const char *type,
- const void *addr, size_t addrlen, int numeric,
- struct GNUNET_TIME_Relative timeout,
- GNUNET_TRANSPORT_AddressStringCallback asc, void *asc_cls)
+wlan_plugin_address_pretty_printer (void *cls, const char *type,
+ const void *addr, size_t addrlen,
+ int numeric,
+ struct GNUNET_TIME_Relative timeout,
+ GNUNET_TRANSPORT_AddressStringCallback asc,
+ void *asc_cls)
{
- char ret[92];
- const unsigned char * input;
+ char *ret;
+ const unsigned char *input;
//GNUNET_assert(cls !=NULL);
- if (addrlen != 6)
- {
- /* invalid address (MAC addresses have 6 bytes) */GNUNET_break (0);
- asc(asc_cls, NULL);
- return;
- }
- input = (const unsigned char*) addr;
- GNUNET_snprintf(ret, sizeof(ret),
- "%s Mac-Address %.2X:%.2X:%.2X:%.2X:%.2X:%.2X", PROTOCOL_PREFIX,
- input[0], input[1], input[2], input[3], input[4], input[5]);
- asc(asc_cls, ret);
+ if (addrlen != sizeof(struct MacAddress))
+ {
+ /* invalid address (MAC addresses have 6 bytes) */
+ //GNUNET_break (0);
+#if DEBUG_wlan
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Func wlan_plugin_address_pretty_printer got size: %u, worng size!\n",
+ addrlen);
+#endif
+ asc(asc_cls, NULL);
+ return;
+ }
+ input = (const unsigned char *) addr;
+ GNUNET_asprintf (&ret,
+ "Transport %s: %s Mac-Address %.2X:%.2X:%.2X:%.2X:%.2X:%.2X",type,
+ PROTOCOL_PREFIX, input[0], input[1], input[2], input[3],
+ input[4], input[5]);
+#if DEBUG_wlan
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Func wlan_plugin_address_pretty_printer got size: %u, nummeric %u, type %s; made string: %s\n",
+ addrlen, numeric, type, ret);
+#endif
+ asc ( asc_cls, ret);
+ //only one mac address per plugin
+ asc ( asc_cls, NULL);
}
+
+
/**
* handels the data after all fragments are put together
- * @param plugin
- * @param session_light
+ * @param cls macendpoint this messages belongs to
* @param hdr pointer to the data
*/
static void
-wlan_data_message_handler(void *cls, const struct GNUNET_MessageHeader *hdr)
+wlan_data_message_handler (void *cls, const struct GNUNET_MessageHeader *hdr)
{
- struct MacEndpoint * endpoint = (struct MacEndpoint *) cls;
- struct Plugin * plugin = endpoint->plugin;
- struct WlanHeader * wlanheader;
- struct Session * session;
- //const char * tempmsg;
- const struct GNUNET_MessageHeader * temp_hdr;
+ struct MacEndpoint *endpoint = (struct MacEndpoint *) cls;
+ struct Plugin *plugin = endpoint->plugin;
+ struct WlanHeader *wlanheader;
+ struct Session *session;
+
+ const struct GNUNET_MessageHeader *temp_hdr;
struct GNUNET_PeerIdentity tmpsource;
int crc;
- if (ntohs(hdr->type) == GNUNET_MESSAGE_TYPE_WLAN_DATA)
- {
+ GNUNET_assert (plugin != NULL);
+
+ if (ntohs (hdr->type) == GNUNET_MESSAGE_TYPE_WLAN_DATA)
+ {
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Func wlan_data_message_handler got GNUNET_MESSAGE_TYPE_WLAN_DATA size: %u\n",
- ntohs(hdr->size));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Func wlan_data_message_handler got GNUNET_MESSAGE_TYPE_WLAN_DATA size: %u\n",
+ ntohs (hdr->size));
#endif
- if (ntohs(hdr->size) < sizeof(struct WlanHeader)
- + sizeof(struct GNUNET_MessageHeader))
- {
- //packet not big enought
- return;
- }
+ if (ntohs (hdr->size) <
+ sizeof (struct WlanHeader) + sizeof (struct GNUNET_MessageHeader))
+ {
+ //packet not big enought
+ return;
+ }
- wlanheader = (struct WlanHeader *) hdr;
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan whole messages received"), 1, GNUNET_NO);
+ wlanheader = (struct WlanHeader *) hdr;
- session = search_session(plugin, endpoint, &wlanheader->source);
+ session = search_session (plugin, endpoint, &wlanheader->source);
- //tempmsg = (char*) &wlanheader[1];
- temp_hdr = (const struct GNUNET_MessageHeader *) &wlanheader[1];
- crc = ntohl(wlanheader->crc);
- wlanheader->crc = 0;
- if (getcrc32((char *) wlanheader, ntohs(wlanheader->header.size)) != crc)
- {
- //wrong crc, dispose message
- GNUNET_log_from(GNUNET_ERROR_TYPE_INFO, PLUGIN_LOG_NAME,
- "Wlan message header crc was wrong: %u != %u\n",
- getcrc32((char *) wlanheader, ntohs(wlanheader->header.size)),
- crc);
- hexdump((void *) hdr, ntohs(hdr->size));
- return;
- }
+ temp_hdr = (const struct GNUNET_MessageHeader *) &wlanheader[1];
+ crc = ntohl (wlanheader->crc);
+ wlanheader->crc = 0;
+ if (getcrc32 ((char *) wlanheader, ntohs (wlanheader->header.size)) != crc)
+ {
+ //wrong crc, dispose message
+ GNUNET_log_from (GNUNET_ERROR_TYPE_INFO, PLUGIN_LOG_NAME,
+ "Wlan message header crc was wrong: %u != %u\n",
+ getcrc32 ((char *) wlanheader,
+ ntohs (wlanheader->header.size)), crc);
+ hexdump ((void *) hdr, ntohs (hdr->size));
+ return;
+ }
- //if not in session list
- if (session == NULL)
- {
+ //if not in session list
+ if (session == NULL)
+ {
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "WLAN client not in session list: packet size = %u, inner size = %u, header size = %u\n",
- ntohs(wlanheader->header.size), ntohs(temp_hdr->size),
- sizeof(struct WlanHeader));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "WLAN client not in session list: packet size = %u, inner size = %u, header size = %u\n",
+ ntohs (wlanheader->header.size), ntohs (temp_hdr->size),
+ sizeof (struct WlanHeader));
#endif
- //try if it is a hello message
- if (ntohs(wlanheader->header.size) >= ntohs(temp_hdr->size)
- + sizeof(struct WlanHeader))
- {
- if (ntohs(temp_hdr->type) == GNUNET_MESSAGE_TYPE_HELLO)
- {
- if (GNUNET_HELLO_get_id(
- (const struct GNUNET_HELLO_Message *) temp_hdr,
- &tmpsource) == GNUNET_OK)
- {
- session = create_session(plugin, endpoint, &tmpsource);
- }
- else
- {
- GNUNET_log_from(GNUNET_ERROR_TYPE_WARNING, PLUGIN_LOG_NAME,
- "WLAN client not in session list and hello message is not okay\n");
- return;
- }
-
- }
- else
- {
- GNUNET_log_from(GNUNET_ERROR_TYPE_WARNING, PLUGIN_LOG_NAME,
- "WLAN client not in session list and not a hello message\n");
- return;
- }
- }
+ //try if it is a hello message
+ if (ntohs (wlanheader->header.size) >=
+ ntohs (temp_hdr->size) + sizeof (struct WlanHeader))
+ {
+ if (ntohs (temp_hdr->type) == GNUNET_MESSAGE_TYPE_HELLO)
+ {
+ if (GNUNET_HELLO_get_id
+ ((const struct GNUNET_HELLO_Message *) temp_hdr,
+ &tmpsource) == GNUNET_OK)
+ {
+ session = create_session (plugin, endpoint, &tmpsource);
+ }
else
- {
- GNUNET_log_from(GNUNET_ERROR_TYPE_WARNING, PLUGIN_LOG_NAME,
- "WLAN client not in session list and message size in does not fit\npacket size = %u, inner size = %u, header size = %u\n",
- ntohs(wlanheader->header.size), ntohs(temp_hdr->size),
- sizeof(struct WlanHeader));
- return;
- }
- }
-
- //"receive" the message
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, PLUGIN_LOG_NAME,
+ "WLAN client not in session list and hello message is not okay\n");
+ return;
+ }
- if (memcmp(&wlanheader->source, &session->target,
- sizeof(struct GNUNET_PeerIdentity)) != 0)
- {
- //wrong peer id
-#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "WLAN peer source id doesn't match packet peer source id: session %p\n",
- session);
-#endif
- return;
}
-
- if (memcmp(&wlanheader->target, plugin->env->my_identity,
- sizeof(struct GNUNET_PeerIdentity)) != 0)
+ else
{
- //wrong peer id
-#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "WLAN peer target id doesn't match our peer id: session %p\n",
- session);
-#endif
+ GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, PLUGIN_LOG_NAME,
+ "WLAN client not in session list and not a hello message\n");
return;
}
+ }
+ else
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, PLUGIN_LOG_NAME,
+ "WLAN client not in session list and message size in does not fit\npacket size = %u, inner size = %u, header size = %u\n",
+ ntohs (wlanheader->header.size),
+ ntohs (temp_hdr->size), sizeof (struct WlanHeader));
+ return;
+ }
+ }
- GNUNET_SERVER_mst_receive(plugin->data_tokenizer, session,
- (const char *) temp_hdr,
- ntohs(hdr->size) - sizeof(struct WlanHeader), GNUNET_YES, GNUNET_NO);
+ //"receive" the message
+ if (memcmp
+ (&wlanheader->source, &session->target,
+ sizeof (struct GNUNET_PeerIdentity)) != 0)
+ {
+ //wrong peer id
+#if DEBUG_wlan
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "WLAN peer source id doesn't match packet peer source id: session %p\n",
+ session);
+#endif
return;
}
- else
+
+ if (memcmp
+ (&wlanheader->target, plugin->env->my_identity,
+ sizeof (struct GNUNET_PeerIdentity)) != 0)
{
- GNUNET_log_from(GNUNET_ERROR_TYPE_WARNING, PLUGIN_LOG_NAME,
- "wlan_data_message_handler got wrong message type\n");
+ //wrong peer id
+#if DEBUG_wlan
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "WLAN peer target id doesn't match our peer id: session %p\n",
+ session);
+#endif
return;
}
+
+ GNUNET_SERVER_mst_receive (plugin->data_tokenizer, session,
+ (const char *) temp_hdr,
+ ntohs (hdr->size) - sizeof (struct WlanHeader),
+ GNUNET_YES, GNUNET_NO);
+
+ return;
+ }
+ else
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, PLUGIN_LOG_NAME,
+ "wlan_data_message_handler got wrong message type: %u\n",
+ ntohs (hdr->size));
+ return;
+ }
}
/**
*/
//TODO ATS informations
static void
-process_data(void *cls, void *client, const struct GNUNET_MessageHeader *hdr)
+process_data (void *cls, void *client, const struct GNUNET_MessageHeader *hdr)
{
- GNUNET_assert(client != NULL);
- GNUNET_assert(cls != NULL);
- struct Session * session = (struct Session *) client;
- struct Plugin * plugin = (struct Plugin *) cls;
+ GNUNET_assert (client != NULL);
+ GNUNET_assert (cls != NULL);
+ struct Session *session = (struct Session *) client;
+ struct Plugin *plugin = (struct Plugin *) cls;
+
+ struct GNUNET_ATS_Information distance;
- struct GNUNET_TRANSPORT_ATS_Information distance[2];
- distance[0].type = htonl(GNUNET_TRANSPORT_ATS_QUALITY_NET_DISTANCE);
- distance[0].value = htonl(1);
- distance[1].type = htonl(GNUNET_TRANSPORT_ATS_ARRAY_TERMINATOR);
- distance[1].value = htonl(0);
+ distance.type = htonl (GNUNET_ATS_QUALITY_NET_DISTANCE);
+ distance.value = htonl (1);
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Calling plugin->env->receive for session %p; %s; size: %u\n", session,
- wlan_plugin_address_to_string(NULL, session->mac->addr.mac, 6),
- htons(hdr->size));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Calling plugin->env->receive for session %p; %s; size: %u\n",
+ session, wlan_plugin_address_to_string (NULL,
+ session->mac->
+ addr.mac, 6),
+ htons (hdr->size));
#endif
- plugin->env->receive(plugin->env->cls, &(session->target), hdr,
- (const struct GNUNET_TRANSPORT_ATS_Information *) &distance, 2, session,
- (const char*) &session->mac->addr, sizeof(session->mac->addr));
+ plugin->env->receive (plugin->env->cls, &(session->target), hdr,
+ (const struct GNUNET_ATS_Information *)
+ &distance, 1, session,
+ (const char *) &session->mac->addr,
+ sizeof (session->mac->addr));
}
/**
* Function used for to process the data received from the wlan interface
*
* @param cls the plugin handle
- * @param session_light FIXME: document
+ * @param session_light pointer to the struct holding known informations
* @param hdr hdr of the GNUNET_MessageHeader
+ * @param rxinfo pointer to the radiotap informations got with this packet
*/
static void
-wlan_data_helper(void *cls, struct Session_light * session_light,
- const struct GNUNET_MessageHeader * hdr, const struct Radiotap_rx * rxinfo)
+wlan_data_helper (void *cls, struct Session_light *session_light,
+ const struct GNUNET_MessageHeader *hdr,
+ const struct Radiotap_rx *rxinfo)
{
struct Plugin *plugin = cls;
- struct FragmentMessage * fm;
- struct FragmentMessage * fm2;
+ struct FragmentMessage *fm;
+ struct FragmentMessage *fm2;
+ struct GNUNET_PeerIdentity tmpsource;
+
+ GNUNET_assert(plugin != NULL);
//ADVERTISEMENT
- if (ntohs(hdr->type) == GNUNET_MESSAGE_TYPE_WLAN_ADVERTISEMENT)
- {
+ if (ntohs (hdr->type) == GNUNET_MESSAGE_TYPE_HELLO)
+ {
- //TODO better DOS protection, error handling
- //TODO test first than create session
- GNUNET_assert(session_light != NULL);
+ //TODO better DOS protection, error handling
+ //TODO test first than create session
+ GNUNET_assert (session_light != NULL);
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Func wlan_data_helper got GNUNET_MESSAGE_TYPE_WLAN_ADVERTISEMENT size: %u; %s\n",
- ntohs(hdr->size),
- wlan_plugin_address_to_string(NULL, session_light->addr.mac, 6));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Func wlan_data_helper got GNUNET_MESSAGE_TYPE_HELLO size: %u; %s\n",
+ ntohs (hdr->size), wlan_plugin_address_to_string (NULL,
+ session_light->addr.
+ mac, 6));
#endif
- if (session_light->macendpoint == NULL)
+ if (session_light->macendpoint == NULL)
+ {
+ session_light->macendpoint =
+ get_macendpoint (plugin, &session_light->addr, GNUNET_YES);
+ }
+
+
+ if (GNUNET_HELLO_get_id
+ ((const struct GNUNET_HELLO_Message *) hdr,
+ &tmpsource) == GNUNET_OK)
+ {
+ session_light->session = search_session (plugin, session_light->macendpoint, &tmpsource);
+ if (session_light->session == NULL)
{
- session_light->macendpoint = get_macendpoint(plugin,
- &session_light->addr, GNUNET_NO);
+ session_light->session = create_session (plugin, session_light->macendpoint, &tmpsource);
}
- GNUNET_assert(GNUNET_HELLO_get_id(
- (const struct GNUNET_HELLO_Message *) &hdr[1],
- &(session_light->session->target) ) != GNUNET_SYSERR);
-
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan hello messages received"), 1, GNUNET_NO);
+ plugin->env->receive(plugin->env->cls,&session_light->session->target,hdr, NULL, 0, session_light->session,
+ (const char *) &session_light->session->mac->addr,
+ sizeof (session_light->session->mac->addr));
}
+ else
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, PLUGIN_LOG_NAME,
+ "WLAN client not in session list and hello message is not okay\n");
+ return;
+ }
+ }
//FRAGMENT
- else if (ntohs(hdr->type) == GNUNET_MESSAGE_TYPE_FRAGMENT)
- {
+ else if (ntohs (hdr->type) == GNUNET_MESSAGE_TYPE_FRAGMENT)
+ {
- GNUNET_assert(session_light != NULL);
- if (session_light->macendpoint == NULL)
- {
- session_light->macendpoint = get_macendpoint(plugin,
- &session_light->addr, GNUNET_YES);
- }
+ GNUNET_assert (session_light != NULL);
+ if (session_light->macendpoint == NULL)
+ {
+ session_light->macendpoint =
+ get_macendpoint (plugin, &session_light->addr, GNUNET_YES);
+ }
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Func wlan_data_helper got GNUNET_MESSAGE_TYPE_FRAGMENT with size: %u; mac endpoint %p: %s\n",
- ntohs(hdr->size), session_light->macendpoint,
- wlan_plugin_address_to_string(NULL, session_light->addr.mac, 6));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Func wlan_data_helper got GNUNET_MESSAGE_TYPE_FRAGMENT with size: %u; mac endpoint %p: %s\n",
+ ntohs (hdr->size), session_light->macendpoint,
+ wlan_plugin_address_to_string (NULL,
+ session_light->addr.mac,
+ 6));
#endif
- int ret = GNUNET_DEFRAGMENT_process_fragment(
- session_light->macendpoint->defrag, hdr);
- if (ret == GNUNET_NO)
- {
- session_light->macendpoint->dups++;
- }
- else if (ret == GNUNET_OK)
- {
- session_light->macendpoint->fragc++;
- }
- set_next_send(plugin);
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan fragments received"), 1, GNUNET_NO);
+ int ret =
+ GNUNET_DEFRAGMENT_process_fragment (session_light->macendpoint->defrag,
+ hdr);
+ if (ret == GNUNET_NO)
+ {
+ session_light->macendpoint->dups++;
+ }
+ else if (ret == GNUNET_OK)
+ {
+ session_light->macendpoint->fragc++;
}
+ set_next_send (plugin);
+
+ }
//ACK
- else if (ntohs(hdr->type) == GNUNET_MESSAGE_TYPE_FRAGMENT_ACK)
+ else if (ntohs (hdr->type) == GNUNET_MESSAGE_TYPE_FRAGMENT_ACK)
+ {
+ GNUNET_assert (session_light != NULL);
+ if (session_light->macendpoint == NULL)
{
- GNUNET_assert(session_light != NULL);
- if (session_light->macendpoint == NULL)
- {
- session_light->macendpoint = get_macendpoint(plugin,
- &session_light->addr, GNUNET_NO);
- }
+ session_light->macendpoint =
+ get_macendpoint (plugin, &session_light->addr, GNUNET_NO);
+ }
- if (session_light->macendpoint == NULL)
- {
+ if (session_light->macendpoint == NULL)
+ {
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Macendpoint does not exist for this GNUNET_MESSAGE_TYPE_FRAGMENT_ACK size: %u; %s\n",
- ntohs(hdr->size),
- wlan_plugin_address_to_string(NULL, session_light->addr.mac, 6));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Macendpoint does not exist for this GNUNET_MESSAGE_TYPE_FRAGMENT_ACK size: %u; %s\n",
+ ntohs (hdr->size), wlan_plugin_address_to_string (NULL,
+ session_light->addr.mac,
+ 6));
#endif
- return;
- }
+ return;
+ }
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Func wlan_data_helper got GNUNET_MESSAGE_TYPE_FRAGMENT_ACK size: %u; mac endpoint: %p; %s\n",
- ntohs(hdr->size), session_light->macendpoint,
- wlan_plugin_address_to_string(NULL, session_light->addr.mac, 6));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Func wlan_data_helper got GNUNET_MESSAGE_TYPE_FRAGMENT_ACK size: %u; mac endpoint: %p; %s\n",
+ ntohs (hdr->size), session_light->macendpoint,
+ wlan_plugin_address_to_string (NULL,
+ session_light->addr.mac,
+ 6));
#endif
- fm = session_light->macendpoint->sending_messages_head;
- while (fm != NULL)
- {
- fm2 = fm->next;
- int ret = GNUNET_FRAGMENT_process_ack(fm->fragcontext, hdr);
- if (ret == GNUNET_OK)
- {
-#if DEBUG_wlan_retransmission
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Got last ack, finished fragment message %p\n", fm);
+ fm = session_light->macendpoint->sending_messages_head;
+ while (fm != NULL)
+ {
+ fm2 = fm->next;
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan acks received"), 1, GNUNET_NO);
+ int ret = GNUNET_FRAGMENT_process_ack (fm->fragcontext, hdr);
+
+ if (ret == GNUNET_OK)
+ {
+#if DEBUG_wlan_retransmission > 1
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Got last ack, finished fragment message %p\n", fm);
#endif
- session_light->macendpoint->acks++;
- fm->session->last_activity = GNUNET_TIME_absolute_get();
- session_light->macendpoint->last_activity = fm->session->last_activity;
- free_fragment_message(plugin, fm);
- check_fragment_queue(plugin);
- return;
- }
- if (ret == GNUNET_NO)
- {
-#if DEBUG_wlan_retransmission
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME, "Got ack for: %p\n", fm);
+ session_light->macendpoint->acks++;
+ fm->session->last_activity = GNUNET_TIME_absolute_get ();
+ session_light->macendpoint->last_activity = fm->session->last_activity;
+ free_fragment_message (plugin, fm);
+ check_fragment_queue (plugin);
+ return;
+ }
+ if (ret == GNUNET_NO)
+ {
+#if DEBUG_wlan_retransmission > 1
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Got ack for: %p\n", fm);
#endif
- session_light->macendpoint->acks++;
- return;
- }
- if (ret == GNUNET_SYSERR)
- {
+ session_light->macendpoint->acks++;
+ return;
+ }
+ if (ret == GNUNET_SYSERR)
+ {
- }
+ }
- fm = fm2;
- }
+ fm = fm2;
+ }
-#if DEBUG_wlan_retransmission
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "WLAN fragment not in fragment list\n");
+#if DEBUG_wlan_retransmission > 1
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "WLAN fragment not in fragment list\n");
#endif
- return;
+ return;
- }
+ }
else
- {
- // TODO Wrong data?
- GNUNET_log_from(GNUNET_ERROR_TYPE_INFO, PLUGIN_LOG_NAME,
- "WLAN packet inside the WLAN helper packet has not the right type: %u size: %u\n",
- ntohs(hdr->type), ntohs(hdr->size));
- GNUNET_break(0);
- return;
- }
+ {
+ // TODO Wrong data?
+ GNUNET_log_from (GNUNET_ERROR_TYPE_INFO, PLUGIN_LOG_NAME,
+ "WLAN packet inside the WLAN helper packet has not the right type: %u size: %u\n",
+ ntohs (hdr->type), ntohs (hdr->size));
+ GNUNET_break (0);
+ return;
+ }
#if 0
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Helper finished\n");
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Helper finished\n");
#endif
}
-//TODO DOXIGEN
+/**
+ * Function to print mac addresses nice *
+ * @param pointer to 6 byte with the mac address
+ * @return pointer to the chars which hold the print out
+ */
const char *
-macprinter(const u_int8_t * mac)
+macprinter (const u_int8_t * mac)
{
static char macstr[20];
- GNUNET_snprintf(macstr, sizeof(macstr), "%X:%X:%X:%X:%X:%X", mac[0], mac[1],
- mac[2], mac[3], mac[4], mac[5]);
+ GNUNET_snprintf (macstr, sizeof (macstr), "%X:%X:%X:%X:%X:%X", mac[0], mac[1],
+ mac[2], mac[3], mac[4], mac[5]);
return macstr;
}
* @param tc pointer to the GNUNET_SCHEDULER_TaskContext
*/
static void
-macendpoint_timeout (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc){
- struct MacEndpoint * endpoint = cls;
- GNUNET_assert(endpoint != NULL);
+macendpoint_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct MacEndpoint *endpoint = cls;
+
+ GNUNET_assert (endpoint != NULL);
endpoint->timeout_task = GNUNET_SCHEDULER_NO_TASK;
- if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN){
- return;
+ if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
+ {
+ return;
+ }
+ if (GNUNET_TIME_absolute_get_remaining
+ (GNUNET_TIME_absolute_add
+ (endpoint->last_activity, MACENDPOINT_TIMEOUT)).rel_value == 0)
+ {
+ GNUNET_assert(endpoint->plugin != NULL);
+ GNUNET_STATISTICS_update (endpoint->plugin->env->stats, _("# wlan mac endpoints timeouts"), 1, GNUNET_NO);
+ free_macendpoint (endpoint->plugin, endpoint);
}
- if (GNUNET_TIME_absolute_get_remaining(
- GNUNET_TIME_absolute_add(endpoint->last_activity, MACENDPOINT_TIMEOUT)).rel_value
- == 0)
- {
- free_macendpoint(endpoint->plugin,endpoint);
- }
else
- {
- endpoint->timeout_task = GNUNET_SCHEDULER_add_delayed(MACENDPOINT_TIMEOUT,
- &macendpoint_timeout, endpoint);
- }
+ {
+ endpoint->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (MACENDPOINT_TIMEOUT, &macendpoint_timeout,
+ endpoint);
+ }
}
/**
* @return returns a macendpoint
*/
static struct MacEndpoint *
-create_macendpoint(struct Plugin *plugin, const struct MacAddress *addr)
+create_macendpoint (struct Plugin *plugin, const struct MacAddress *addr)
{
- struct MacEndpoint * newend = GNUNET_malloc(sizeof (struct MacEndpoint));
+ struct MacEndpoint *newend = GNUNET_malloc (sizeof (struct MacEndpoint));
+
+ GNUNET_assert(plugin != NULL);
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan mac endpoints created"), 1, GNUNET_NO);
newend->addr = *addr;
newend->plugin = plugin;
newend->addr = *addr;
newend->fragment_messages_out_count = 0;
- newend->defrag = GNUNET_DEFRAGMENT_context_create(plugin->env->stats,
- WLAN_MTU, MESSAGES_IN_DEFRAG_QUEUE_PER_MAC, newend,
- &wlan_data_message_handler, &add_ack_for_send);
- newend->last_activity = GNUNET_TIME_absolute_get();
- newend->timeout_task = GNUNET_SCHEDULER_add_delayed(MACENDPOINT_TIMEOUT,
- &macendpoint_timeout, newend);
+ newend->defrag =
+ GNUNET_DEFRAGMENT_context_create (plugin->env->stats, WLAN_MTU,
+ MESSAGES_IN_DEFRAG_QUEUE_PER_MAC,
+ newend, &wlan_data_message_handler,
+ &add_ack_for_send);
+ newend->last_activity = GNUNET_TIME_absolute_get ();
+ newend->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (MACENDPOINT_TIMEOUT, &macendpoint_timeout,
+ newend);
plugin->mac_count++;
- GNUNET_CONTAINER_DLL_insert_tail(plugin->mac_head, plugin->mac_tail, newend);
+ GNUNET_CONTAINER_DLL_insert_tail (plugin->mac_head, plugin->mac_tail, newend);
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME, "New Mac Endpoint %p: %s\n", newend,
- wlan_plugin_address_to_string(NULL, newend->addr.mac, 6));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "New Mac Endpoint %p: %s\n", newend,
+ wlan_plugin_address_to_string (NULL, newend->addr.mac, 6));
#endif
return newend;
}
* @param hdr header of the GNUNET_MessageHeader
*/
static void
-wlan_process_helper(void *cls, void *client,
- const struct GNUNET_MessageHeader *hdr)
+wlan_process_helper (void *cls, void *client,
+ const struct GNUNET_MessageHeader *hdr)
{
struct Plugin *plugin = cls;
- struct ieee80211_frame * wlanIeeeHeader = NULL;
- struct Session_light * session_light = NULL;
- struct Radiotap_rx * rxinfo;
- const struct GNUNET_MessageHeader * temp_hdr = NULL;
+ struct ieee80211_frame *wlanIeeeHeader = NULL;
+ struct Session_light *session_light = NULL;
+ struct Radiotap_rx *rxinfo;
+ const struct GNUNET_MessageHeader *temp_hdr = NULL;
int datasize = 0;
int pos;
- switch (ntohs(hdr->type))
- {
+ GNUNET_assert(plugin != NULL);
+ switch (ntohs (hdr->type))
+ {
case GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA:
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Func wlan_process_helper got GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA size: %u\n",
- ntohs(hdr->size));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Func wlan_process_helper got GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA size: %u\n",
+ ntohs (hdr->size));
#endif
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan WLAN_HELPER_DATA received"), 1, GNUNET_NO);
//call wlan_process_helper with the message inside, later with wlan: analyze signal
- if (ntohs(hdr->size) < sizeof(struct ieee80211_frame)
- + sizeof(struct GNUNET_MessageHeader) + sizeof(struct Radiotap_rx))
- {
+ if (ntohs (hdr->size) <
+ sizeof (struct ieee80211_frame) + 2*sizeof (struct GNUNET_MessageHeader) +
+ sizeof (struct Radiotap_rx))
+ {
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Size of packet is too small; size: %u min size: %u\n",
- ntohs(hdr->size),
- sizeof(struct ieee80211_frame)
- + sizeof(struct GNUNET_MessageHeader));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Size of packet is too small; size: %u min size: %u\n",
+ ntohs (hdr->size),
+ sizeof (struct ieee80211_frame) +
+ sizeof (struct GNUNET_MessageHeader));
#endif
- //GNUNET_break (0);
- /* FIXME: restart SUID process */
- return;
- }
+ //GNUNET_break (0);
+ /* FIXME: restart SUID process */
+ return;
+ }
+
rxinfo = (struct Radiotap_rx *) &hdr[1];
wlanIeeeHeader = (struct ieee80211_frame *) &rxinfo[1];
//process only if it is an broadcast or for this computer both with the gnunet bssid
//check for bssid
- if (memcmp(&(wlanIeeeHeader->i_addr3), &mac_bssid,
- sizeof(struct MacAddress)) == 0)
+ if (memcmp
+ (&(wlanIeeeHeader->i_addr3), &mac_bssid,
+ sizeof (struct MacAddress)) == 0)
+ {
+ //check for broadcast or mac
+ if ((memcmp
+ (&(wlanIeeeHeader->i_addr1), &bc_all_mac,
+ sizeof (struct MacAddress)) == 0) ||
+ (memcmp (&(wlanIeeeHeader->i_addr1), &(plugin->mac_address),
+ sizeof (struct MacAddress)) == 0))
{
- //check for broadcast or mac
- if (memcmp(&(wlanIeeeHeader->i_addr1), &bc_all_mac,
- sizeof(struct MacAddress) == 0) || memcmp(
- &(wlanIeeeHeader->i_addr1), &(plugin->mac_address),
- sizeof(struct MacAddress)) == 0)
- {
-
- // process the inner data
-
+ //if packet is from us return
+ if ((memcmp (&(wlanIeeeHeader->i_addr2), &(plugin->mac_address),
+ sizeof (struct MacAddress)) == 0)){
+ return;
+ }
+ // process the inner data
- datasize = ntohs(hdr->size) - sizeof(struct ieee80211_frame)
- - sizeof(struct GNUNET_MessageHeader)
- - sizeof(struct Radiotap_rx);
- session_light = GNUNET_malloc(sizeof(struct Session_light));
- memcpy(&session_light->addr, &(wlanIeeeHeader->i_addr2),
- sizeof(struct MacAddress));
- //session_light->session = search_session(plugin,session_light->addr);
+ datasize =
+ ntohs (hdr->size) - sizeof (struct ieee80211_frame) -
+ sizeof (struct GNUNET_MessageHeader) - sizeof (struct Radiotap_rx);
- pos = 0;
- while (pos < datasize)
- {
- temp_hdr = (struct GNUNET_MessageHeader *) &wlanIeeeHeader[1]
- + pos;
+ session_light = GNUNET_malloc (sizeof (struct Session_light));
+ memcpy (&session_light->addr, &(wlanIeeeHeader->i_addr2),
+ sizeof (struct MacAddress));
+ //session_light->session = search_session(plugin,session_light->addr);
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan messaged for this client received"), 1, GNUNET_NO);
- wlan_data_helper(plugin, session_light, temp_hdr, rxinfo);
- pos += ntohs(temp_hdr->size);
+ pos = 0;
+ while (pos < datasize)
+ {
+ temp_hdr = (struct GNUNET_MessageHeader *) &wlanIeeeHeader[1] + pos;
+ if (ntohs(temp_hdr->size) <= datasize + pos)
+ {
+ GNUNET_STATISTICS_update (plugin->env->stats, _("# wlan messaged inside WLAN_HELPER_DATA received"), 1, GNUNET_NO);
+ wlan_data_helper (plugin, session_light, temp_hdr, rxinfo);
+ }
+ else
+ {
+#if DEBUG_wlan
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Size of packet is too small; size: %u > size of packet: %u\n",
+ ntohs(temp_hdr->size),datasize + pos);
+#endif
+ }
+ pos += ntohs (temp_hdr->size);
- }
+ }
- //clean up
- GNUNET_free(session_light);
- }
- else
- {
+ //clean up
+ GNUNET_free (session_light);
+ }
+ else
+ {
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Func wlan_process_helper got wrong MAC: %s\n",
- macprinter(wlanIeeeHeader->i_addr1));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Func wlan_process_helper got wrong MAC: %s\n",
+ macprinter (wlanIeeeHeader->i_addr1));
#endif
- }
}
+ }
else
- {
+ {
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Func wlan_process_helper got wrong BSSID: %s\n",
- macprinter(wlanIeeeHeader->i_addr2));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Func wlan_process_helper got wrong BSSID: %s\n",
+ macprinter (wlanIeeeHeader->i_addr2));
#endif
- }
+ }
break;
case GNUNET_MESSAGE_TYPE_WLAN_HELPER_CONTROL:
//TODO more control messages
- //TODO use struct wlan_helper_control
- if (ntohs(hdr->size) != sizeof(struct Wlan_Helper_Control_Message))
- {
- GNUNET_break (0);
- /* FIXME: restart SUID process */
- return;
- }
- memcpy(&plugin->mac_address, &hdr[1], sizeof(struct MacAddress));
+ if (ntohs (hdr->size) != sizeof (struct Wlan_Helper_Control_Message))
+ {
+ GNUNET_break (0);
+ /* FIXME: restart SUID process */
+ return;
+ }
+ memcpy (&plugin->mac_address, &hdr[1], sizeof (struct MacAddress));
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Received WLAN_HELPER_CONTROL message with transport of address %s\n",
- wlan_plugin_address_to_string(cls, &plugin->mac_address,
- sizeof(struct MacAddress)));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Received WLAN_HELPER_CONTROL message with transport of address %s\n",
+ wlan_plugin_address_to_string (cls, &plugin->mac_address,
+ sizeof (struct
+ MacAddress)));
#endif
- plugin->env->notify_address(plugin->env->cls, GNUNET_YES,
- &plugin->mac_address, sizeof(struct MacAddress));
+ plugin->env->notify_address (plugin->env->cls, GNUNET_YES,
+ &plugin->mac_address,
+ sizeof (struct MacAddress));
break;
default:
+#if DEBUG_wlan
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Func wlan_process_helper got unknown message with number %u, size %u\n",
+ ntohs (hdr->type), ntohs (hdr->size));
+
+#endif
+#if DEBUG_wlan_msg_dump > 1
+ hexdump (hdr, GNUNET_MIN (ntohs (hdr->size), 256));
+#endif
GNUNET_break (0);
return;
- }
+ }
}
/**
* @param tc the scheduling context
*/
static void
-wlan_plugin_helper_read(void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+wlan_plugin_helper_read (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct Plugin *plugin = cls;
+
plugin->server_read_task = GNUNET_SCHEDULER_NO_TASK;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
- char mybuf[WLAN_MTU + sizeof(struct GNUNET_MessageHeader)];
+ char mybuf[WLAN_MTU + sizeof (struct GNUNET_MessageHeader)];
ssize_t bytes;
- bytes = GNUNET_DISK_file_read(plugin->server_stdout_handle, mybuf,
- sizeof(mybuf));
+ bytes =
+ GNUNET_DISK_file_read (plugin->server_stdout_handle, mybuf,
+ sizeof (mybuf));
if (bytes <= 0)
- {
+ {
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- _("Finished reading from wlan-helper stdout with code: %d\n"),
- bytes);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ _
+ ("Finished reading from wlan-helper stdout with code: %d\n"),
+ bytes);
#endif
- return;
- }
- GNUNET_SERVER_mst_receive(plugin->suid_tokenizer, NULL, mybuf, bytes,
- GNUNET_NO, GNUNET_NO);
-
- GNUNET_assert(plugin->server_read_task == GNUNET_SCHEDULER_NO_TASK);
- plugin->server_read_task = GNUNET_SCHEDULER_add_read_file(
- GNUNET_TIME_UNIT_FOREVER_REL, plugin->server_stdout_handle,
- &wlan_plugin_helper_read, plugin);
+ return;
+ }
+ GNUNET_SERVER_mst_receive (plugin->suid_tokenizer, NULL, mybuf, bytes,
+ GNUNET_NO, GNUNET_NO);
+
+ GNUNET_assert (plugin->server_read_task == GNUNET_SCHEDULER_NO_TASK);
+ plugin->server_read_task =
+ GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
+ plugin->server_stdout_handle,
+ &wlan_plugin_helper_read, plugin);
}
/**
* @return GNUNET_YES if process was started, GNUNET_SYSERR on error
*/
static int
-wlan_transport_start_wlan_helper(struct Plugin *plugin, int testmode)
+wlan_transport_start_wlan_helper (struct Plugin *plugin, int testmode)
{
- const char * filenamehw = "gnunet-transport-wlan-helper";
- const char * filenameloopback = "gnunet-transport-wlan-helper-dummy";
- plugin->server_stdout = GNUNET_DISK_pipe(GNUNET_YES, GNUNET_NO, GNUNET_YES);
+ const char *filenamehw = "gnunet-transport-wlan-helper";
+ const char *filenameloopback = "gnunet-transport-wlan-helper-dummy";
+
+ plugin->server_stdout = GNUNET_DISK_pipe (GNUNET_YES, GNUNET_NO, GNUNET_YES);
if (plugin->server_stdout == NULL)
return GNUNET_SYSERR;
- plugin->server_stdin = GNUNET_DISK_pipe(GNUNET_YES, GNUNET_YES, GNUNET_NO);
+ plugin->server_stdin = GNUNET_DISK_pipe (GNUNET_YES, GNUNET_YES, GNUNET_NO);
if (plugin->server_stdin == NULL)
return GNUNET_SYSERR;
/* Start the server process */
if (testmode == 0)
- {
+ {
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Starting gnunet-wlan-helper process cmd: %s %s %i\n", filenamehw,
- plugin->interface, testmode);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Starting gnunet-wlan-helper process cmd: %s %s %i\n",
+ filenamehw, plugin->interface, testmode);
#endif
- plugin->server_proc = GNUNET_OS_start_process(plugin->server_stdin,
- plugin->server_stdout, filenamehw, filenamehw, plugin->interface,
- NULL);
+ if (GNUNET_OS_check_helper_binary (filenamehw) == GNUNET_YES)
+ {
+ plugin->server_proc =
+ GNUNET_OS_start_process (plugin->server_stdin, plugin->server_stdout,
+ filenamehw, filenamehw, plugin->interface,
+ NULL);
}
- else if (testmode == 1)
+ else if (GNUNET_OS_check_helper_binary (filenamehw) == GNUNET_NO)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
+ "gnunet-transport-wlan-helper is not suid, please change it or look at the doku\n");
+ GNUNET_break (0);
+ }
+ else
{
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
+ "gnunet-transport-wlan-helper not found, please look if it exists and is the $PATH variable!\n");
+ GNUNET_break (0);
+ }
+
+ }
+ else if (testmode == 1)
+ {
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Starting gnunet-wlan-helper loopback 1 process cmd: %s %s %i\n",
- filenameloopback, plugin->interface, testmode);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Starting gnunet-wlan-helper loopback 1 process cmd: %s %s %i\n",
+ filenameloopback, plugin->interface, testmode);
#endif
- plugin->server_proc = GNUNET_OS_start_process(plugin->server_stdin,
- plugin->server_stdout, filenameloopback, filenameloopback, "1", NULL);
+ if (GNUNET_OS_check_helper_binary (filenameloopback) != GNUNET_SYSERR)
+ {
+ plugin->server_proc =
+ GNUNET_OS_start_process (plugin->server_stdin, plugin->server_stdout,
+ filenameloopback, filenameloopback, "1",
+ NULL);
}
- else if (testmode == 2)
+ else
{
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
+ "gnunet-transport-wlan-helper-dummy not found, please look if it exists and is the $PATH variable!\n");
+ GNUNET_break (0);
+ }
+ }
+ else if (testmode == 2)
+ {
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Starting gnunet-wlan-helper loopback 2 process cmd: %s %s %i\n",
- filenameloopback, plugin->interface, testmode);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Starting gnunet-wlan-helper loopback 2 process cmd: %s %s %i\n",
+ filenameloopback, plugin->interface, testmode);
#endif
- plugin->server_proc = GNUNET_OS_start_process(plugin->server_stdin,
- plugin->server_stdout, filenameloopback, filenameloopback, "2", NULL);
+ if (GNUNET_OS_check_helper_binary (filenameloopback) != GNUNET_SYSERR)
+ {
+ plugin->server_proc =
+ GNUNET_OS_start_process (plugin->server_stdin, plugin->server_stdout,
+ filenameloopback, filenameloopback, "2",
+ NULL);
}
- if (plugin->server_proc == NULL)
+ else
{
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, PLUGIN_LOG_NAME,
+ "gnunet-transport-wlan-helper-dummy not found, please look if it exists and is in the $PATH variable!\n");
+ GNUNET_break (0);
+ }
+ }
+ if (plugin->server_proc == NULL)
+ {
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Failed to start gnunet-wlan-helper process\n");
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Failed to start gnunet-wlan-helper process\n");
#endif
- return GNUNET_SYSERR;
- }
+ return GNUNET_SYSERR;
+ }
/* Close the write end of the read pipe */
- GNUNET_DISK_pipe_close_end(plugin->server_stdout, GNUNET_DISK_PIPE_END_WRITE);
+ GNUNET_DISK_pipe_close_end (plugin->server_stdout,
+ GNUNET_DISK_PIPE_END_WRITE);
/* Close the read end of the write pipe */
- GNUNET_DISK_pipe_close_end(plugin->server_stdin, GNUNET_DISK_PIPE_END_READ);
+ GNUNET_DISK_pipe_close_end (plugin->server_stdin, GNUNET_DISK_PIPE_END_READ);
- plugin->server_stdout_handle = GNUNET_DISK_pipe_handle(plugin->server_stdout,
- GNUNET_DISK_PIPE_END_READ);
- plugin->server_stdin_handle = GNUNET_DISK_pipe_handle(plugin->server_stdin,
- GNUNET_DISK_PIPE_END_WRITE);
+ plugin->server_stdout_handle =
+ GNUNET_DISK_pipe_handle (plugin->server_stdout,
+ GNUNET_DISK_PIPE_END_READ);
+ plugin->server_stdin_handle =
+ GNUNET_DISK_pipe_handle (plugin->server_stdin,
+ GNUNET_DISK_PIPE_END_WRITE);
- GNUNET_assert(plugin->server_read_task == GNUNET_SCHEDULER_NO_TASK);
+ GNUNET_assert (plugin->server_read_task == GNUNET_SCHEDULER_NO_TASK);
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "Adding server_read_task for the wlan-helper\n");
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "Adding server_read_task for the wlan-helper\n");
#endif
- plugin->server_read_task = GNUNET_SCHEDULER_add_read_file(
- GNUNET_TIME_UNIT_FOREVER_REL, plugin->server_stdout_handle,
- &wlan_plugin_helper_read, plugin);
+ plugin->server_read_task =
+ GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
+ plugin->server_stdout_handle,
+ &wlan_plugin_helper_read, plugin);
return GNUNET_YES;
}
//FIXME cleanup
void *
-libgnunet_plugin_transport_wlan_done(void *cls)
+libgnunet_plugin_transport_wlan_done (void *cls)
{
struct GNUNET_TRANSPORT_PluginFunctions *api = cls;
struct Plugin *plugin = api->cls;
- struct MacEndpoint * endpoint = plugin->mac_head;
- struct MacEndpoint * endpoint_next;
+ struct MacEndpoint *endpoint = plugin->mac_head;
+ struct MacEndpoint *endpoint_next;
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
- "libgnunet_plugin_transport_wlan_done started\n");
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "libgnunet_plugin_transport_wlan_done started\n");
#endif
- GNUNET_DISK_pipe_close(plugin->server_stdout);
- GNUNET_DISK_pipe_close(plugin->server_stdin);
- GNUNET_OS_process_kill(plugin->server_proc, 9);
- GNUNET_OS_process_close(plugin->server_proc);
+ GNUNET_DISK_pipe_close (plugin->server_stdout);
+ GNUNET_DISK_pipe_close (plugin->server_stdin);
+ GNUNET_OS_process_kill (plugin->server_proc, 9);
+ GNUNET_OS_process_close (plugin->server_proc);
- GNUNET_assert (cls !=NULL);
+ GNUNET_assert (cls != NULL);
//free sessions
while (endpoint != NULL)
- {
- endpoint_next = endpoint->next;
- free_macendpoint(plugin, endpoint);
- endpoint = endpoint_next;
+ {
+ endpoint_next = endpoint->next;
+ free_macendpoint (plugin, endpoint);
+ endpoint = endpoint_next;
- }
+ }
if (plugin->server_write_delay_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->server_write_delay_task);
- plugin->server_write_delay_task = GNUNET_SCHEDULER_NO_TASK;
- }
+ {
+ GNUNET_SCHEDULER_cancel (plugin->server_write_delay_task);
+ plugin->server_write_delay_task = GNUNET_SCHEDULER_NO_TASK;
+ }
if (plugin->server_write_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->server_write_task);
- plugin->server_write_task = GNUNET_SCHEDULER_NO_TASK;
- }
+ {
+ GNUNET_SCHEDULER_cancel (plugin->server_write_task);
+ plugin->server_write_task = GNUNET_SCHEDULER_NO_TASK;
+ }
if (plugin->server_read_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->server_read_task);
- plugin->server_read_task = GNUNET_SCHEDULER_NO_TASK;
- }
+ {
+ GNUNET_SCHEDULER_cancel (plugin->server_read_task);
+ plugin->server_read_task = GNUNET_SCHEDULER_NO_TASK;
+ }
if (plugin->suid_tokenizer != NULL)
- GNUNET_SERVER_mst_destroy(plugin->suid_tokenizer);
+ GNUNET_SERVER_mst_destroy (plugin->suid_tokenizer);
if (plugin->data_tokenizer != NULL)
- GNUNET_SERVER_mst_destroy(plugin->data_tokenizer);
+ GNUNET_SERVER_mst_destroy (plugin->data_tokenizer);
- GNUNET_free_non_null(plugin->interface);
+ GNUNET_free_non_null (plugin->interface);
GNUNET_free (plugin);
GNUNET_free (api);
return NULL;
* @return the 'struct GNUNET_TRANSPORT_PluginFunctions*' or NULL on error
*/
void *
-libgnunet_plugin_transport_wlan_init(void *cls)
+libgnunet_plugin_transport_wlan_init (void *cls)
{
//struct GNUNET_SERVICE_Context *service;
struct GNUNET_TRANSPORT_PluginEnvironment *env = cls;
struct Plugin *plugin;
static unsigned long long testmode = 0;
- GNUNET_assert(cls !=NULL);
+ GNUNET_assert (cls != NULL);
plugin = GNUNET_malloc (sizeof (struct Plugin));
plugin->env = env;
plugin->pendingsessions = 0;
+ GNUNET_STATISTICS_set(plugin->env->stats, _("# wlan pending sessions"), plugin->pendingsessions, GNUNET_NO);
plugin->mac_count = 0;
plugin->server_write_task = GNUNET_SCHEDULER_NO_TASK;
plugin->server_read_task = GNUNET_SCHEDULER_NO_TASK;
plugin->server_write_delay_task = GNUNET_SCHEDULER_NO_TASK;
- GNUNET_BANDWIDTH_tracker_init(&plugin->tracker,
- GNUNET_BANDWIDTH_value_init(100 * 1024 * 1024 / 8), 100);
+ GNUNET_BANDWIDTH_tracker_init (&plugin->tracker,
+ GNUNET_BANDWIDTH_value_init (100 * 1024 *
+ 1024 / 8), 100);
- plugin->suid_tokenizer = GNUNET_SERVER_mst_create(&wlan_process_helper,
- plugin);
+ plugin->suid_tokenizer =
+ GNUNET_SERVER_mst_create (&wlan_process_helper, plugin);
- plugin->data_tokenizer = GNUNET_SERVER_mst_create(&process_data, plugin);
+ plugin->data_tokenizer = GNUNET_SERVER_mst_create (&process_data, plugin);
//plugin->sessions = GNUNET_malloc (sizeof (struct Sessionqueue));
//plugin->pending_Sessions_head = GNUNET_malloc (sizeof (struct Sessionqueue));
api->address_pretty_printer = &wlan_plugin_address_pretty_printer;
api->check_address = &wlan_plugin_address_suggested;
api->address_to_string = &wlan_plugin_address_to_string;
+
//read config
- if (GNUNET_CONFIGURATION_have_value(env->cfg, "transport-wlan", "TESTMODE"))
- {
- if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number(env->cfg,
- "transport-wlan", "TESTMODE", &testmode))
- testmode = 0; //default value
- }
+ if (GNUNET_CONFIGURATION_have_value (env->cfg, "transport-wlan", "TESTMODE"))
+ {
+ if (GNUNET_SYSERR ==
+ GNUNET_CONFIGURATION_get_value_number (env->cfg, "transport-wlan",
+ "TESTMODE", &testmode))
+ testmode = 0; //default value
+ }
- if (GNUNET_CONFIGURATION_have_value(env->cfg, "transport-wlan", "INTERFACE"))
+ if (GNUNET_CONFIGURATION_have_value (env->cfg, "transport-wlan", "INTERFACE"))
+ {
+ if (GNUNET_CONFIGURATION_get_value_string
+ (env->cfg, "transport-wlan", "INTERFACE",
+ &(plugin->interface)) != GNUNET_YES)
{
- if (GNUNET_CONFIGURATION_get_value_string(env->cfg, "transport-wlan",
- "INTERFACE", &(plugin->interface)) != GNUNET_YES)
- {
- libgnunet_plugin_transport_wlan_done(api);
- return NULL;
- }
+ libgnunet_plugin_transport_wlan_done (api);
+ return NULL;
}
+ }
//start the plugin
- set_next_beacon_time(plugin);
-
- wlan_transport_start_wlan_helper(plugin, testmode);
-
+ wlan_transport_start_wlan_helper (plugin, testmode);
+ set_next_beacon_time (plugin);
+ set_next_send(plugin);
#if DEBUG_wlan
- GNUNET_log_from(GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME, "wlan init finished\n");
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, PLUGIN_LOG_NAME,
+ "wlan init finished\n");
#endif
return api;
projects / oweals / gnunet.git / blobdiff