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13 General Public License for more details.
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22 * @file transport/plugin_transport_http.h
23 * @brief http transport service plugin
24 * @author Matthias Wachs
28 #include "gnunet_common.h"
29 #include "gnunet_constants.h"
30 #include "gnunet_protocols.h"
31 #include "gnunet_connection_lib.h"
32 #include "gnunet_service_lib.h"
33 #include "gnunet_statistics_service.h"
34 #include "gnunet_transport_service.h"
35 #include "gnunet_resolver_service.h"
36 #include "gnunet_server_lib.h"
37 #include "gnunet_container_lib.h"
38 #include "gnunet_transport_plugin.h"
39 #include "gnunet_os_lib.h"
40 #include "gnunet_nat_lib.h"
41 #include "microhttpd.h"
42 #include <curl/curl.h>
45 #define DEBUG_HTTP GNUNET_YES
46 #define VERBOSE_SERVER GNUNET_YES
47 #define VERBOSE_CLIENT GNUNET_YES
48 #define VERBOSE_CURL GNUNET_NO
51 #define LIBGNUNET_PLUGIN_TRANSPORT_INIT libgnunet_plugin_transport_https_init
52 #define LIBGNUNET_PLUGIN_TRANSPORT_DONE libgnunet_plugin_transport_https_done
54 #define LIBGNUNET_PLUGIN_TRANSPORT_INIT libgnunet_plugin_transport_http_init
55 #define LIBGNUNET_PLUGIN_TRANSPORT_DONE libgnunet_plugin_transport_http_done
58 #define INBOUND GNUNET_YES
59 #define OUTBOUND GNUNET_NO
62 #define HTTP_NOT_VALIDATED_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 3)
65 * Encapsulation of all of the state of the plugin.
72 struct GNUNET_TRANSPORT_PluginEnvironment *env;
75 * List of open sessions.
82 * NAT handle & address management
84 struct GNUNET_NAT_Handle *nat;
90 struct IPv4HttpAddressWrapper *ipv4_addr_head;
95 struct IPv4HttpAddressWrapper *ipv4_addr_tail;
100 struct IPv6HttpAddressWrapper *ipv6_addr_head;
105 struct IPv6HttpAddressWrapper *ipv6_addr_tail;
108 /* Plugin configuration */
133 struct MHD_Daemon *server_v4;
134 GNUNET_SCHEDULER_TaskIdentifier server_v4_task;
136 struct MHD_Daemon *server_v6;
137 GNUNET_SCHEDULER_TaskIdentifier server_v6_task;
143 struct Session *server_semi_head;
145 struct Session *server_semi_tail;
158 GNUNET_SCHEDULER_TaskIdentifier client_perform_task;
163 * Session handle for connections.
169 * Stored in a linked list.
171 struct Session *next;
174 * Stored in a linked list.
176 struct Session *prev;
179 * Pointer to the global plugin struct.
181 struct Plugin *plugin;
184 * next pointer for double linked list
186 struct HTTP_Message *msg_head;
189 * previous pointer for double linked list
191 struct HTTP_Message *msg_tail;
195 * message stream tokenizer for incoming data
197 struct GNUNET_SERVER_MessageStreamTokenizer *msg_tk;
200 * Continuation function to call once the transmission buffer
201 * has again space available. NULL if there is no
202 * continuation to call.
204 GNUNET_TRANSPORT_TransmitContinuation transmit_cont;
212 * Closure for transmit_cont.
214 void *transmit_cont_cls;
217 * To whom are we talking to (set to our identity
218 * if we are still waiting for the welcome message)
220 struct GNUNET_PeerIdentity target;
223 * At what time did we reset last_received last?
225 //struct GNUNET_TIME_Absolute last_quota_update;
228 * How many bytes have we received since the "last_quota_update"
231 //uint64_t last_received;
234 * Number of bytes per ms that this peer is allowed
248 struct GNUNET_TIME_Absolute delay;
249 GNUNET_SCHEDULER_TaskIdentifier reset_task;
255 * Message to send using http
260 * next pointer for double linked list
262 struct HTTP_Message *next;
265 * previous pointer for double linked list
267 struct HTTP_Message *prev;
270 * buffer containing data to send
275 * amount of data already sent
285 * Continuation function to call once the transmission buffer
286 * has again space available. NULL if there is no
287 * continuation to call.
289 GNUNET_TRANSPORT_TransmitContinuation transmit_cont;
292 * Closure for transmit_cont.
294 void *transmit_cont_cls;
298 delete_session (struct Session *s);
301 create_session (struct Plugin *plugin, const struct GNUNET_PeerIdentity *target,
302 const void *addr, size_t addrlen,
303 GNUNET_TRANSPORT_TransmitContinuation cont, void *cont_cls);
305 struct GNUNET_TIME_Relative
306 http_plugin_receive (void *cls, const struct GNUNET_PeerIdentity * peer,
307 const struct GNUNET_MessageHeader * message,
308 struct Session * session,
309 const char *sender_address,
310 uint16_t sender_address_len);
313 http_plugin_address_to_string (void *cls, const void *addr, size_t addrlen);
316 client_disconnect (struct Session *s);
319 client_connect (struct Session *s);
322 client_send (struct Session *s, struct HTTP_Message *msg);
325 client_start (struct Plugin *plugin);
328 client_stop (struct Plugin *plugin);
331 server_disconnect (struct Session *s);
334 server_send (struct Session *s, struct HTTP_Message * msg);
337 server_start (struct Plugin *plugin);
340 server_stop (struct Plugin *plugin);
343 notify_session_end (void *cls,
344 const struct GNUNET_PeerIdentity *
345 peer, struct Session * s);
347 /* end of plugin_transport_http.h */