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-rw-r--r--src/transport/plugin_transport_http.h553
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diff --git a/src/transport/plugin_transport_http.h b/src/transport/plugin_transport_http.h
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index 986d7d7..0000000
--- a/src/transport/plugin_transport_http.h
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-/*
- This file is part of GNUnet
- (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
-
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
-*/
-
-/**
- * @file transport/plugin_transport_http.h
- * @brief http transport service plugin
- * @author Matthias Wachs
- */
-
-#include "platform.h"
-#include "gnunet_common.h"
-#include "gnunet_constants.h"
-#include "gnunet_protocols.h"
-#include "gnunet_connection_lib.h"
-#include "gnunet_service_lib.h"
-#include "gnunet_statistics_service.h"
-#include "gnunet_transport_service.h"
-#include "gnunet_resolver_service.h"
-#include "gnunet_server_lib.h"
-#include "gnunet_container_lib.h"
-#include "gnunet_transport_plugin.h"
-#include "gnunet_os_lib.h"
-#include "gnunet_nat_lib.h"
-#include "microhttpd.h"
-#include <curl/curl.h>
-
-
-#define DEBUG_HTTP GNUNET_EXTRA_LOGGING
-#define VERBOSE_SERVER GNUNET_EXTRA_LOGGING
-#define VERBOSE_CLIENT GNUNET_EXTRA_LOGGING
-#define VERBOSE_CURL GNUNET_NO
-
-#if BUILD_HTTPS
-#define LIBGNUNET_PLUGIN_TRANSPORT_INIT libgnunet_plugin_transport_https_init
-#define LIBGNUNET_PLUGIN_TRANSPORT_DONE libgnunet_plugin_transport_https_done
-#else
-#define LIBGNUNET_PLUGIN_TRANSPORT_INIT libgnunet_plugin_transport_http_init
-#define LIBGNUNET_PLUGIN_TRANSPORT_DONE libgnunet_plugin_transport_http_done
-#endif
-
-#define INBOUND GNUNET_YES
-#define OUTBOUND GNUNET_NO
-
-
-#define HTTP_NOT_VALIDATED_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
-
-/**
- * Encapsulation of all of the state of the plugin.
- */
-struct Plugin
-{
- /**
- * General handles
- * ---------------
- */
-
- /**
- * Our environment.
- */
- struct GNUNET_TRANSPORT_PluginEnvironment *env;
-
- /**
- * Linked list of open sessions.
- */
-
- struct Session *head;
-
- struct Session *tail;
-
- /**
- * NAT handle & address management
- */
- struct GNUNET_NAT_Handle *nat;
-
- /**
- * List of own addresses
- */
-
- /**
- * IPv4 addresses DLL head
- */
- struct IPv4HttpAddressWrapper *ipv4_addr_head;
-
- /**
- * IPv4 addresses DLL tail
- */
- struct IPv4HttpAddressWrapper *ipv4_addr_tail;
-
- /**
- * IPv6 addresses DLL head
- */
- struct IPv6HttpAddressWrapper *ipv6_addr_head;
-
- /**
- * IPv6 addresses DLL tail
- */
- struct IPv6HttpAddressWrapper *ipv6_addr_tail;
-
- /**
- * Plugin configuration
- * --------------------
- */
-
- /**
- * Plugin name
- * Equals configuration section: transport-http, transport-https
- */
- char *name;
-
- /**
- * Plugin protocol
- * http, https
- */
- char *protocol;
-
- /**
- * Use IPv4?
- * GNUNET_YES or GNUNET_NO
- */
- int ipv4;
-
- /**
- * Use IPv6?
- * GNUNET_YES or GNUNET_NO
- */
- int ipv6;
-
- /**
- * Does plugin just use outbound connections and not accept inbound?
- */
-
- int client_only;
-
- /**
- * Port used
- */
- uint16_t port;
-
- /**
- * Maximum number of sockets the plugin can use
- * Each http inbound /outbound connections are two connections
- */
- int max_connections;
-
- /**
- * Number of outbound sessions
- */
- unsigned int outbound_sessions;
-
- /**
- * Number of inbound sessions
- */
- unsigned int inbound_sessions;
-
- /**
- * Plugin HTTPS SSL/TLS options
- * ----------------------------
- */
-
- /**
- * libCurl TLS crypto init string, can be set to enhance performance
- *
- * Example:
- *
- * Use RC4-128 instead of AES:
- * NONE:+VERS-TLS1.0:+ARCFOUR-128:+SHA1:+RSA:+COMP-NULL
- *
- */
- char *crypto_init;
-
- /**
- * TLS key
- */
- char *key;
-
- /**
- * TLS certificate
- */
- char *cert;
-
- /**
- * Plugin values
- * -------------
- */
-
- /**
- * Current number of establishes connections
- */
- int cur_connections;
-
- /**
- * Last used unique HTTP connection tag
- */
- uint32_t last_tag;
-
- /**
- * Server handles
- * --------------
- */
-
- /**
- * MHD IPv4 daemon
- */
- struct MHD_Daemon *server_v4;
-
- /**
- * MHD IPv4 task
- */
- GNUNET_SCHEDULER_TaskIdentifier server_v4_task;
-
- /**
- * The IPv4 server is scheduled to run asap
- */
- int server_v4_immediately;
-
- /**
- * MHD IPv6 daemon
- */
- struct MHD_Daemon *server_v6;
-
- /**
- * MHD IPv4 task
- */
- GNUNET_SCHEDULER_TaskIdentifier server_v6_task;
-
- /**
- * The IPv6 server is scheduled to run asap
- */
-
- int server_v6_immediately;
-
- /**
- * IPv4 server socket to bind to
- */
- struct sockaddr_in *server_addr_v4;
-
- /**
- * IPv6 server socket to bind to
- */
- struct sockaddr_in6 *server_addr_v6;
-
- /**
- * Server semi connections
- * A full session consists of 2 semi-connections: send and receive
- * If not both directions are established the server keeps this sessions here
- */
- struct Session *server_semi_head;
-
- struct Session *server_semi_tail;
-
- /*
- * Client handles
- */
-
- /**
- * cURL Multihandle
- */
- CURLM *client_mh;
-
- /**
- * curl perform task
- */
- GNUNET_SCHEDULER_TaskIdentifier client_perform_task;
-
-};
-
-GNUNET_NETWORK_STRUCT_BEGIN
-
-/**
- * IPv4 addresses
- */
-struct IPv4HttpAddress
-{
- /**
- * IPv4 address, in network byte order.
- */
- uint32_t ipv4_addr GNUNET_PACKED;
-
- /**
- * Port number, in network byte order.
- */
- uint16_t u4_port GNUNET_PACKED;
-};
-
-/**
- * IPv4 addresses
- */
-struct IPv6HttpAddress
-{
- /**
- * IPv6 address.
- */
- struct in6_addr ipv6_addr GNUNET_PACKED;
-
- /**
- * Port number, in network byte order.
- */
- uint16_t u6_port GNUNET_PACKED;
-};
-GNUNET_NETWORK_STRUCT_END
-
-
-struct ServerConnection
-{
- /* _RECV or _SEND */
- int direction;
-
- /* Should this connection get disconnected? GNUNET_YES/NO */
- int disconnect;
-
- /* The session this server connection belongs to */
- struct Session *session;
-
- /* The MHD connection */
- struct MHD_Connection *mhd_conn;
-};
-
-
-
-/**
- * Session handle for connections.
- */
-struct Session
-{
-
- /**
- * Stored in a linked list.
- */
- struct Session *next;
-
- /**
- * Stored in a linked list.
- */
- struct Session *prev;
-
- /**
- * Pointer to the global plugin struct.
- */
- struct Plugin *plugin;
-
- /**
- * Address
- */
- void *addr;
-
- /**
- * Address length
- */
- size_t addrlen;
-
- /**
- * ATS network type in NBO
- */
- uint32_t ats_address_network_type;
-
- /**
- * To whom are we talking to
- */
- struct GNUNET_PeerIdentity target;
-
- /**
- * next pointer for double linked list
- */
- struct HTTP_Message *msg_head;
-
- /**
- * previous pointer for double linked list
- */
- struct HTTP_Message *msg_tail;
-
-
- /**
- * Message stream tokenizer for incoming data
- */
- struct GNUNET_SERVER_MessageStreamTokenizer *msg_tk;
-
- /**
- * Absolute time when to receive data again
- * Used for receive throttling
- */
- struct GNUNET_TIME_Absolute next_receive;
-
- /**
- * Inbound or outbound connection
- * Outbound: GNUNET_NO (client is used to send and receive)
- * Inbound : GNUNET_YES (server is used to send and receive)
- */
- int inbound;
-
- /**
- * Unique HTTP/S connection tag for this connection
- */
- uint32_t tag;
-
- /**
- * Client handles
- */
-
- /**
- * Client send handle
- */
- void *client_put;
-
- /**
- * Client receive handle
- */
- void *client_get;
-
- /**
- * Task to wake up client receive handle when receiving is allowed again
- */
- GNUNET_SCHEDULER_TaskIdentifier recv_wakeup_task;
-
- /**
- * Session timeout task
- */
- GNUNET_SCHEDULER_TaskIdentifier timeout_task;
-
- /**
- * Is client send handle paused since there are no data to send?
- * GNUNET_YES/NO
- */
- int client_put_paused;
-
- /**
- * Server handles
- */
-
- /**
- * Client send handle
- */
- struct ServerConnection *server_recv;
-
- /**
- * Client send handle
- */
- struct ServerConnection *server_send;
-};
-
-/**
- * Message to send using http
- */
-struct HTTP_Message
-{
- /**
- * next pointer for double linked list
- */
- struct HTTP_Message *next;
-
- /**
- * previous pointer for double linked list
- */
- struct HTTP_Message *prev;
-
- /**
- * buffer containing data to send
- */
- char *buf;
-
- /**
- * amount of data already sent
- */
- size_t pos;
-
- /**
- * buffer length
- */
- size_t size;
-
- /**
- * Continuation function to call once the transmission buffer
- * has again space available. NULL if there is no
- * continuation to call.
- */
- GNUNET_TRANSPORT_TransmitContinuation transmit_cont;
-
- /**
- * Closure for transmit_cont.
- */
- void *transmit_cont_cls;
-};
-
-struct Session *
-create_session (struct Plugin *plugin, const struct GNUNET_PeerIdentity *target,
- const void *addr, size_t addrlen);
-
-int
-exist_session (struct Plugin *plugin, struct Session *s);
-
-void
-delete_session (struct Session *s);
-
-int
-exist_session (struct Plugin *plugin, struct Session *s);
-
-struct GNUNET_TIME_Relative
-http_plugin_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_MessageHeader *message,
- struct Session *session, const char *sender_address,
- uint16_t sender_address_len);
-
-const char *
-http_plugin_address_to_string (void *cls, const void *addr, size_t addrlen);
-
-int
-client_disconnect (struct Session *s);
-
-int
-client_connect (struct Session *s);
-
-int
-client_send (struct Session *s, struct HTTP_Message *msg);
-
-int
-client_start (struct Plugin *plugin);
-
-void
-client_stop (struct Plugin *plugin);
-
-int
-server_disconnect (struct Session *s);
-
-int
-server_send (struct Session *s, struct HTTP_Message *msg);
-
-int
-server_start (struct Plugin *plugin);
-
-void
-server_stop (struct Plugin *plugin);
-
-void
-notify_session_end (void *cls, const struct GNUNET_PeerIdentity *peer,
- struct Session *s);
-
-/* end of plugin_transport_http.h */