X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fats%2Fgnunet-service-ats.c;h=729f1952b3e7bb1f4dd1e91805051c44cf2091dd;hb=7c245892cbff7c1d940b3002b7fb872b21dba4bb;hp=8163a79022fc5db24cda0ed3aecfb2ea7e01cec2;hpb=a0df776606242cad9e7f94134fc48bc8e3c9ec86;p=oweals%2Fgnunet.git diff --git a/src/ats/gnunet-service-ats.c b/src/ats/gnunet-service-ats.c index 8163a7902..729f1952b 100644 --- a/src/ats/gnunet-service-ats.c +++ b/src/ats/gnunet-service-ats.c @@ -1,6 +1,6 @@ /* This file is part of GNUnet. - (C) 2009 Christian Grothoff (and other contributing authors) + (C) 2011 Christian Grothoff (and other contributing authors) GNUnet is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published @@ -22,196 +22,119 @@ * @file ats/gnunet-service-ats.c * @brief ats service * @author Matthias Wachs + * @author Christian Grothoff */ #include "platform.h" -#include "gnunet_getopt_lib.h" -#include "gnunet_service_lib.h" -#include "gnunet_container_lib.h" -#include "gnunet_ats_service.h" +#include "gnunet_util_lib.h" +#include "gnunet-service-ats.h" +#include "gnunet-service-ats_addresses.h" +#include "gnunet-service-ats_performance.h" +#include "gnunet-service-ats_scheduling.h" +#include "gnunet-service-ats_reservations.h" #include "ats.h" -struct ATS_Clients -{ - struct ATS_Clients * next; - - struct ATS_Clients * prev; - - struct GNUNET_SERVER_Client *client; - - uint32_t flags; -}; - -struct ATS_Address -{ - struct GNUNET_PeerIdentity peer; - - size_t addr_len; - - uint32_t session_id; - - uint32_t ats_count; - - void * addr; - - char * plugin; - - struct GNUNET_TRANSPORT_ATS_Information * ats; -}; - /** - * Head of linked list of all clients to this service. + * Handle for statistics. */ -static struct ATS_Clients *ac_head; +struct GNUNET_STATISTICS_Handle *GSA_stats; /** - * Tail of linked list of all clients to this service. + * Handle to the ATS server. */ -static struct ATS_Clients *ac_tail; +static struct GNUNET_SERVER_Handle *GSA_server; -static struct GNUNET_CONTAINER_MultiHashMap * addresses; +/** + * Handle to the address state. + */ +static struct GAS_Addresses_Handle *GSA_addresses; -int address_it (void *cls, - const GNUNET_HashCode * key, - void *value) -{ - struct ATS_Address * aa = cls; - GNUNET_free (aa); - return GNUNET_OK; -} /** - * Task run during shutdown. + * We have received a `struct ClientStartMessage` from a client. Find out which + * type of client it is and notify the respective subsystem. * - * @param cls unused - * @param tc unused + * @param cls closure, unused + * @param client handle to the client + * @param message the start message */ static void -cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) -{ - struct ATS_Clients * t; - - while (ac_head != NULL) - { - t = ac_head; - GNUNET_CONTAINER_DLL_remove(ac_head,ac_tail, t); - GNUNET_free (t); - } - - GNUNET_CONTAINER_multihashmap_iterate (addresses, address_it, NULL); - - GNUNET_CONTAINER_multihashmap_destroy (addresses); -} - -static struct ATS_Clients * find_client (struct GNUNET_SERVER_Client *client) +handle_ats_start (void *cls, struct GNUNET_SERVER_Client *client, + const struct GNUNET_MessageHeader *message) { - struct ATS_Clients * ac = ac_head; - while (ac != NULL) + const struct ClientStartMessage *msg = + (const struct ClientStartMessage *) message; + enum StartFlag flag; + + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Received `%s' message\n", + "ATS_START"); + flag = ntohl (msg->start_flag); + switch (flag) { - if (ac->client == client) + case START_FLAG_SCHEDULING: + if (GNUNET_OK != GAS_scheduling_add_client (client)) + { + GNUNET_SERVER_receive_done (client, GNUNET_SYSERR); + return; + } + break; + case START_FLAG_PERFORMANCE_WITH_PIC: + GAS_performance_add_client (client, flag); + break; + case START_FLAG_PERFORMANCE_NO_PIC: + GAS_performance_add_client (client, flag); break; - ac = ac->next; + default: + GNUNET_break (0); + GNUNET_SERVER_receive_done (client, GNUNET_SYSERR); + return; } - return ac; + GNUNET_SERVER_receive_done (client, GNUNET_OK); } -static void -handle_ats_start (void *cls, struct GNUNET_SERVER_Client *client, - const struct GNUNET_MessageHeader *message) - -{ - struct ClientStartMessage * msg = (struct ClientStartMessage *) message; - struct ATS_Clients * ac = NULL; - - - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "ATS_START"); - - GNUNET_assert (find_client(client) == NULL); - - ac = GNUNET_malloc (sizeof (struct ATS_Clients)); - ac->client = client; - ac->flags = ntohl (msg->start_flag); - - GNUNET_CONTAINER_DLL_insert(ac_head, ac_tail, ac); -} - -static void -handle_request_address (void *cls, struct GNUNET_SERVER_Client *client, - const struct GNUNET_MessageHeader *message) - -{ - struct RequestAddressMessage * msg = (struct RequestAddressMessage *) message; - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "REQUEST_ADDRESS"); - -} +/** + * A client disconnected from us. Tear down the local client + * record. + * + * @param cls unused + * @param client handle of the client + */ static void -handle_address_update (void *cls, struct GNUNET_SERVER_Client *client, - const struct GNUNET_MessageHeader *message) - +client_disconnect_handler (void *cls, + struct GNUNET_SERVER_Client *client) { - struct AddressUpdateMessage * msg = (struct AddressUpdateMessage *) message; - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "ADDRESS_UPDATE"); - - struct GNUNET_TRANSPORT_ATS_Information *am; - char *pm; - - size_t size = ntohs (msg->header.size); - if (size <= sizeof (struct AddressUpdateMessage)) - GNUNET_break (0); - - size_t ats_count = ntohs (msg->ats_count); - size_t addr_len = ntohs (msg->address_length); - size_t plugin_len = ntohs (msg->plugin_name_length) + 1 ; - - struct ATS_Address * aa = GNUNET_malloc (sizeof (struct ATS_Address) + - ats_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information) + - addr_len + - plugin_len); - - - - memcpy (&aa->peer, &msg->peer, sizeof (struct GNUNET_PeerIdentity)); - aa->addr_len = addr_len; - aa->ats_count = ats_count; - aa->ats = (struct GNUNET_TRANSPORT_ATS_Information *) &aa[1]; - - am = (struct GNUNET_TRANSPORT_ATS_Information*) &msg[1]; - memcpy (&aa->ats, am, ats_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information)); - pm = (char *) &am[ats_count]; - memcpy (aa->addr, pm, addr_len); - memcpy (aa->plugin, &pm[plugin_len], plugin_len); - aa->session_id = ntohl(msg->session_id); - - GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_put(addresses, &aa->peer.hashPubKey, aa, GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE)); + if (NULL == client) + return; + GAS_scheduling_remove_client (client); + GAS_performance_remove_client (client); } -static void -handle_address_destroyed (void *cls, struct GNUNET_SERVER_Client *client, - const struct GNUNET_MessageHeader *message) - -{ - struct AddressDestroyedMessage * msg = (struct AddressDestroyedMessage *) message; - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "ADDRESS_DESTROYED"); - -} +/** + * Task run during shutdown. + * + * @param cls unused + * @param tc unused + */ static void -handle_reservation_request (void *cls, struct GNUNET_SERVER_Client *client, - const struct GNUNET_MessageHeader *message) - +cleanup_task (void *cls, + const struct GNUNET_SCHEDULER_TaskContext *tc) { - struct AddressUpdateMessage * msg = (struct AddressUpdateMessage *) message; - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "RESERVATION_REQUEST"); + GAS_addresses_done (GSA_addresses); + GAS_scheduling_done (); + GAS_performance_done (); + GAS_reservations_done (); + GNUNET_SERVER_disconnect_notify_cancel (GSA_server, + &client_disconnect_handler, + NULL); + if (NULL != GSA_stats) + { + GNUNET_STATISTICS_destroy (GSA_stats, GNUNET_NO); + GSA_stats = NULL; + } } -static void -handle_preference_change (void *cls, struct GNUNET_SERVER_Client *client, - const struct GNUNET_MessageHeader *message) - -{ - struct ChangePreferenceMessage * msg = (struct ChangePreferenceMessage *) message; - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "PREFERENCE_CHANGE"); -} /** * Process template requests. @@ -225,17 +148,45 @@ run (void *cls, struct GNUNET_SERVER_Handle *server, const struct GNUNET_CONFIGURATION_Handle *cfg) { static const struct GNUNET_SERVER_MessageHandler handlers[] = { - {&handle_ats_start, NULL, GNUNET_MESSAGE_TYPE_ATS_START, sizeof (struct ClientStartMessage)}, - {&handle_request_address, NULL, GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS, sizeof (struct RequestAddressMessage)}, - {&handle_address_update, NULL, GNUNET_MESSAGE_TYPE_ATS_ADDRESS_UPDATE, 0}, - {&handle_address_destroyed, NULL, GNUNET_MESSAGE_TYPE_ATS_ADDRESS_DESTROYED, 0}, - {&handle_reservation_request, NULL, GNUNET_MESSAGE_TYPE_ATS_RESERVATION_REQUEST, sizeof (struct ReservationRequestMessage)}, - {&handle_preference_change, NULL, GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_CHANGE, 0}, + {&handle_ats_start, NULL, + GNUNET_MESSAGE_TYPE_ATS_START, sizeof (struct ClientStartMessage)}, + {&GAS_handle_request_address, NULL, + GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS, + sizeof (struct RequestAddressMessage)}, + {&GAS_handle_request_address_cancel, NULL, + GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS_CANCEL, + sizeof (struct RequestAddressMessage)}, + {&GAS_handle_request_address_list, NULL, + GNUNET_MESSAGE_TYPE_ATS_ADDRESSLIST_REQUEST, + sizeof (struct AddressListRequestMessage)}, + {&GAS_handle_address_add, NULL, + GNUNET_MESSAGE_TYPE_ATS_ADDRESS_ADD, 0}, + {&GAS_handle_address_update, NULL, + GNUNET_MESSAGE_TYPE_ATS_ADDRESS_UPDATE, 0}, + {&GAS_handle_address_in_use, NULL, + GNUNET_MESSAGE_TYPE_ATS_ADDRESS_IN_USE, 0}, + {&GAS_handle_address_destroyed, NULL, + GNUNET_MESSAGE_TYPE_ATS_ADDRESS_DESTROYED, 0}, + {&GAS_handle_reservation_request, NULL, + GNUNET_MESSAGE_TYPE_ATS_RESERVATION_REQUEST, + sizeof (struct ReservationRequestMessage)}, + {&GAS_handle_preference_change, NULL, + GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_CHANGE, 0}, + {&GAS_handle_preference_feedback, NULL, + GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_FEEDBACK, 0}, + {&GAS_handle_reset_backoff, NULL, + GNUNET_MESSAGE_TYPE_ATS_RESET_BACKOFF, + sizeof (struct ResetBackoffMessage)}, {NULL, NULL, 0, 0} }; - - addresses = GNUNET_CONTAINER_multihashmap_create(100); - + GSA_server = server; + GSA_stats = GNUNET_STATISTICS_create ("ats", cfg); + GAS_reservations_init (); + GSA_addresses = GAS_addresses_init (cfg, GSA_stats); + GAS_performance_init (server, GSA_addresses); + GAS_scheduling_init (server, GSA_addresses); + + GNUNET_SERVER_disconnect_notify (server, &client_disconnect_handler, NULL); GNUNET_SERVER_add_handlers (server, handlers); GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleanup_task, NULL); @@ -254,7 +205,8 @@ main (int argc, char *const *argv) { return (GNUNET_OK == GNUNET_SERVICE_run (argc, argv, "ats", - GNUNET_SERVICE_OPTION_NONE, &run, NULL)) ? 0 : 1; + GNUNET_SERVICE_OPTION_NONE, + &run, NULL)) ? 0 : 1; } /* end of gnunet-service-ats.c */