*/
#include "platform.h"
-#include "gnunet_protocols.h"
-#include "gnunet_connection_lib.h"
+#include "gnunet_common.h"
#include "gnunet_server_lib.h"
-#include "gnunet_service_lib.h"
#include "gnunet_statistics_service.h"
-#include "gnunet_transport_service.h"
#include "gnunet_transport_plugin.h"
-
-#include "gnunet_container_lib.h"
#include "gnunet_nat_lib.h"
#include "plugin_transport_http_common.h"
#include "microhttpd.h"
#define LIBGNUNET_PLUGIN_TRANSPORT_DONE libgnunet_plugin_transport_http_server_done
#endif
-#define HTTP_NOT_VALIDATED_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
-
-#define TESTING GNUNET_NO
-
-#if TESTING
-#define TIMEOUT_LOG GNUNET_ERROR_TYPE_ERROR
-#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
-#else
-#define TIMEOUT_LOG GNUNET_ERROR_TYPE_DEBUG
-#define TIMEOUT GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT
-#endif
-
#define HTTP_ERROR_RESPONSE "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\"><HTML><HEAD><TITLE>404 Not Found</TITLE></HEAD><BODY><H1>Not Found</H1>The requested URL was not found on this server.<P><HR><ADDRESS></ADDRESS></BODY></HTML>"
#define _RECEIVE 0
#define _SEND 1
*/
struct Plugin;
+
/**
* Session handle for connections.
*/
*/
void *addr;
- size_t addrlen;
-
/**
- * Inbound or outbound connection
- * Outbound: GNUNET_NO (client is used to send and receive)
- * Inbound : GNUNET_YES (server is used to send and receive)
+ * Address length
*/
- int inbound;
+ size_t addrlen;
/**
* Unique HTTP/S connection tag for this connection
*/
uint32_t ats_address_network_type;
+ /**
+ * Was session given to transport service?
+ */
+ int session_passed;
+
+ /**
+ * Did we immediately end the session in disconnect_cb
+ */
+ int session_ended;
+
/**
* Absolute time when to receive data again
* Used for receive throttling
GNUNET_SCHEDULER_TaskIdentifier timeout_task;
};
+
struct ServerConnection
{
/* _RECV or _SEND */
/* Should this connection get disconnected? GNUNET_YES/NO */
int disconnect;
+ /* For PUT connections: Is this the first or last callback with size 0 */
+ int connected;
+
/* The session this server connection belongs to */
struct Session *session;
struct MHD_Daemon *mhd_daemon;
};
+
/**
* Encapsulation of all of the state of the plugin.
*/
*/
unsigned int cur_connections;
+ /**
+ * Did we immediately end the session in disconnect_cb
+ */
+ int in_shutdown;
+
+ /**
+ * Length of peer id
+ */
+ int peer_id_length;
+
/**
* External hostname the plugin can be connected to, can be different to
* the host's FQDN, used e.g. for reverse proxying
*/
char *ext_addr;
+ /**
+ * Notify transport only about external address
+ */
+ unsigned int external_only;
+
/**
* External address length
*/
*/
struct GNUNET_NAT_Handle *nat;
- /**
- * 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;
-
/**
* List of own addresses
*/
};
+
/**
* Wrapper to manage addresses
*/
size_t addrlen;
};
+
/**
* Message to send using http
*/
*/
size_t size;
+ /**
+ * HTTP/S specific overhead
+ */
+ size_t overhead;
+
/**
* Continuation function to call once the transmission buffer
* has again space available. NULL if there is no
};
+/**
+ * The http_server plugin handle
+ */
static struct HTTP_Server_Plugin * p;
+
/**
- * Start session timeout
+ * Start session timeout for session s
+ * @param s the session
*/
static void
server_start_session_timeout (struct Session *s);
+
/**
- * Increment session timeout due to activity
+ * Increment session timeout due to activity for session s
+ * @param s the session
*/
static void
server_reschedule_session_timeout (struct Session *s);
+
/**
- * Cancel timeout
+ * Cancel timeout for session s
+ * @param s the session
*/
static void
server_stop_session_timeout (struct Session *s);
+
+/**
+ * Disconnect a session s
+ * @param s the session
+ */
+static int
+server_disconnect (struct Session *s);
+
+
+/**
+ * Does session s exist?
+ *
+ * @param plugin the plugin handle
+ * @param s the session
+ * @return GNUNET_YES on success, GNUNET_NO on error
+ */
+static int
+server_exist_session (struct HTTP_Server_Plugin *plugin, struct Session *s);
+
+
+/**
+ * Reschedule the execution of both IPv4 and IPv6 server
+ * @param plugin the plugin
+ * @param server which server to schedule v4 or v6?
+ * @param now GNUNET_YES to schedule execution immediately, GNUNET_NO to wait
+ * until timeout
+ */
+static void
+server_reschedule (struct HTTP_Server_Plugin *plugin, struct MHD_Daemon *server,
+ int now);
+
+
/**
* Function that can be used by the transport service to transmit
* a message using the plugin. Note that in the case of a
GNUNET_TRANSPORT_TransmitContinuation cont, void *cont_cls)
{
struct HTTP_Server_Plugin *plugin = cls;
+ struct HTTP_Message *msg;
int bytes_sent = 0;
+ char *stat_txt;
GNUNET_assert (plugin != NULL);
GNUNET_assert (session != NULL);
- GNUNET_break (0);
+ if (GNUNET_NO == server_exist_session (plugin, session))
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ if (NULL == session->server_send)
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+
+
+ if (GNUNET_YES == session->server_send->disconnect)
+ return GNUNET_SYSERR;
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, session->plugin->name,
+ "Session %p/connection %p: Sending message with %u to peer `%s' with \n",
+ session, session->server_send,
+ msgbuf_size, GNUNET_i2s (&session->target));
+
+ /* create new message and schedule */
+ bytes_sent = sizeof (struct HTTP_Message) + msgbuf_size;
+ msg = GNUNET_malloc (bytes_sent);
+ msg->next = NULL;
+ msg->size = msgbuf_size;
+ msg->pos = 0;
+ msg->buf = (char *) &msg[1];
+ msg->transmit_cont = cont;
+ msg->transmit_cont_cls = cont_cls;
+ memcpy (msg->buf, msgbuf, msgbuf_size);
+
+ GNUNET_CONTAINER_DLL_insert_tail (session->msg_head, session->msg_tail, msg);
+
+ GNUNET_asprintf (&stat_txt, "# bytes currently in %s_server buffers", plugin->protocol);
+ GNUNET_STATISTICS_update (plugin->env->stats,
+ stat_txt, msgbuf_size, GNUNET_NO);
+ GNUNET_free (stat_txt);
+
+ server_reschedule (session->plugin, session->server_send->mhd_daemon, GNUNET_YES);
+ server_reschedule_session_timeout (session);
/* struct Plugin *plugin = cls; */
return bytes_sent;
static void
http_server_plugin_disconnect (void *cls, const struct GNUNET_PeerIdentity *target)
{
- // struct Plugin *plugin = cls;
- GNUNET_break (0);
+ struct HTTP_Server_Plugin *plugin = cls;
+ struct Session *next = NULL;
+ struct Session *pos = NULL;
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Transport tells me to disconnect `%s'\n",
+ GNUNET_i2s (target));
+
+ next = plugin->head;
+ while (NULL != (pos = next))
+ {
+ next = pos->next;
+ if (0 == memcmp (target, &pos->target, sizeof (struct GNUNET_PeerIdentity)))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Disconnecting session %p to `%s'\n",
+ pos, GNUNET_i2s (target));
+ server_disconnect (pos);
+ }
+ }
+
}
* and transport
*/
static int
-http_server_plugin_address_suggested (void *cls, const void *addr, size_t addrlen)
+http_server_plugin_address_suggested (void *cls, const void *addr,
+ size_t addrlen)
{
struct HTTP_Server_Plugin *plugin = cls;
- struct HttpAddressWrapper *w = plugin->addr_head;
+ struct HttpAddressWrapper *next;
+ struct HttpAddressWrapper *pos;
- if ((NULL != plugin->ext_addr) && GNUNET_YES == (http_common_cmp_addresses (addr, addrlen, plugin->ext_addr, plugin->ext_addr_len)))
+
+ if ((NULL != plugin->ext_addr) &&
+ GNUNET_YES == (http_common_cmp_addresses (addr, addrlen,
+ plugin->ext_addr, plugin->ext_addr_len)))
return GNUNET_OK;
- while (NULL != w)
+ next = plugin->addr_head;
+ while (NULL != (pos = next))
{
+ next = pos->next;
if (GNUNET_YES == (http_common_cmp_addresses(addr,
addrlen,
- w->addr,
- w->addrlen)))
+ pos->addr,
+ pos->addrlen)))
return GNUNET_OK;
+
}
return GNUNET_NO;
}
+
/**
* Creates a new outbound session the transport
* service will use to send data to the peer
/**
* Deleting the session
* Must not be used afterwards
+ *
+ * @param s the session to delete
*/
-
-void
+static void
server_delete_session (struct Session *s)
{
struct HTTP_Server_Plugin *plugin = s->plugin;
GNUNET_CONTAINER_DLL_remove (s->msg_head, s->msg_tail, msg);
if (msg->transmit_cont != NULL)
{
- msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_SYSERR);
+ msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_SYSERR,
+ msg->size, msg->pos + msg->overhead);
}
GNUNET_free (msg);
msg = tmp;
GNUNET_free_non_null (s->server_recv);
GNUNET_free_non_null (s->server_send);
GNUNET_free (s);
-}
-
-int
-server_disconnect (struct Session *s)
-{
- struct ServerConnection * send;
- struct ServerConnection * recv;
-
- send = (struct ServerConnection *) s->server_send;
- if (s->server_send != NULL)
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
- "Server: %p / %p Terminating inbound PUT session to peer `%s'\n",
- s, s->server_send, GNUNET_i2s (&s->target));
-
- send->disconnect = GNUNET_YES;
-#if MHD_VERSION >= 0x00090E00
- MHD_set_connection_option (send->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
- 1);
-#endif
- }
-
- recv = (struct ServerConnection *) s->server_recv;
- if (recv != NULL)
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
- "Server: %p / %p Terminating inbound GET session to peer `%s'\n",
- s, s->server_recv, GNUNET_i2s (&s->target));
-
- recv->disconnect = GNUNET_YES;
-#if MHD_VERSION >= 0x00090E00
- MHD_set_connection_option (recv->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
- 1);
-#endif
- }
-
- /* Schedule connection immediately */
-#if 0
- if (s->addrlen == sizeof (struct IPv4HttpAddress))
- {
- server_reschedule (s->plugin, s->plugin->server_v4, GNUNET_YES);
- }
- else if (s->addrlen == sizeof (struct IPv6HttpAddress))
- {
- server_reschedule (s->plugin, s->plugin->server_v6, GNUNET_YES);
- }
-#endif
- return GNUNET_OK;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Session %p destroyed\n", s);
}
/**
-* Cancel timeout
+* Cancel timeout for session s
+*
+* @param s the session
*/
static void
server_stop_session_timeout (struct Session *s)
}
}
+
/**
* Function that queries MHD's select sets and
* starts the task waiting for them.
* @param plugin plugin
* @param daemon_handle the MHD daemon handle
+ * @param now schedule immediately
* @return gnunet task identifier
*/
static GNUNET_SCHEDULER_TaskIdentifier
-server_schedule (struct HTTP_Server_Plugin *plugin, struct MHD_Daemon *daemon_handle,
+server_schedule (struct HTTP_Server_Plugin *plugin,
+ struct MHD_Daemon *daemon_handle,
int now);
+
/**
* Reschedule the execution of both IPv4 and IPv6 server
* @param plugin the plugin
* until timeout
*/
static void
-server_reschedule (struct HTTP_Server_Plugin *plugin, struct MHD_Daemon *server, int now)
+server_reschedule (struct HTTP_Server_Plugin *plugin, struct MHD_Daemon *server,
+ int now)
{
if ((server == plugin->server_v4) && (plugin->server_v4 != NULL))
{
}
-static struct ServerConnection *
-server_lookup_connection (struct HTTP_Server_Plugin *plugin,
- struct MHD_Connection *mhd_connection, const char *url,
- const char *method)
+/**
+ * Disconnect session s
+ *
+ * @param s the session
+ * @return GNUNET_OK on success
+ */
+static int
+server_disconnect (struct Session *s)
{
- struct Session *s = NULL;
- struct Session *t;
- struct ServerConnection *sc = NULL;
- const union MHD_ConnectionInfo *conn_info;
- struct GNUNET_ATS_Information ats;
+ struct ServerConnection * send = NULL;
+ struct ServerConnection * recv = NULL;
- char *addr;
- size_t addr_len;
+ if (GNUNET_NO == server_exist_session (p, s))
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
- struct GNUNET_PeerIdentity target;
- uint32_t tag = 0;
- int direction = GNUNET_SYSERR;
+ send = (struct ServerConnection *) s->server_send;
+ if (s->server_send != NULL)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
+ "Server: %p / %p Terminating inbound PUT session to peer `%s'\n",
+ s, s->server_send, GNUNET_i2s (&s->target));
- /* url parsing variables */
- size_t url_len;
- char *url_end;
- char *hash_start;
- char *hash_end;
- char *tag_start;
- char *tag_end;
+ send->disconnect = GNUNET_YES;
+#if MHD_VERSION >= 0x00090E00
+ MHD_set_connection_option (send->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
+ 1);
+#endif
+ server_reschedule (s->plugin, send->mhd_daemon, GNUNET_YES);
+ }
- conn_info = MHD_get_connection_info (mhd_connection,
- MHD_CONNECTION_INFO_CLIENT_ADDRESS);
- if ((conn_info->client_addr->sa_family != AF_INET) &&
- (conn_info->client_addr->sa_family != AF_INET6))
- return NULL;
+ recv = (struct ServerConnection *) s->server_recv;
+ if (recv != NULL)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
+ "Server: %p / %p Terminating inbound GET session to peer `%s'\n",
+ s, s->server_recv, GNUNET_i2s (&s->target));
+
+ recv->disconnect = GNUNET_YES;
+#if MHD_VERSION >= 0x00090E00
+ MHD_set_connection_option (recv->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
+ 1);
+#endif
+ server_reschedule (s->plugin, recv->mhd_daemon, GNUNET_YES);
+ }
+ return GNUNET_OK;
+}
+
+static void
+server_mhd_connection_timeout (struct HTTP_Server_Plugin *plugin, struct Session *s, int to)
+{
+#if MHD_VERSION >= 0x00090E00
+ /* Setting timeouts for other connections */
+ if (s->server_recv != NULL)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Setting timeout for %p to %u sec.\n", s->server_recv, to);
+ MHD_set_connection_option (s->server_recv->mhd_conn,
+ MHD_CONNECTION_OPTION_TIMEOUT,
+ to);
+ server_reschedule (plugin, s->server_recv->mhd_daemon, GNUNET_NO);
+ }
+ if (s->server_send != NULL)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Setting timeout for %p to %u sec.\n", s->server_send, to);
+ MHD_set_connection_option (s->server_send->mhd_conn,
+ MHD_CONNECTION_OPTION_TIMEOUT,
+ to);
+ server_reschedule (plugin, s->server_send->mhd_daemon, GNUNET_NO);
+ }
+#endif
+}
+
+/**
+ * Parse incoming URL for tag and target
+ *
+ * @param plugin plugin
+ * @param url incoming url
+ * @param target where to store the target
+ * @param tag where to store the tag
+ * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ */
+
+static int
+server_parse_url (struct HTTP_Server_Plugin *plugin, const char * url, struct GNUNET_PeerIdentity * target, uint32_t *tag)
+{
+ int debug = GNUNET_YES;
+
+ char * tag_start = NULL;
+ char * tag_end = NULL;
+ char * target_start = NULL;
+ char * separator = NULL;
+ char hash[plugin->peer_id_length+1];
+ int hash_length;
+ unsigned long int ctag;
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "New %s connection from %s\n", method, url);
/* URL parsing
- * URL is valid if it is in the form [peerid[103];tag]*/
- url_len = strlen (url);
- url_end = (char *) &url[url_len];
+ * URL is valid if it is in the form [prefix with (multiple) '/'][peerid[103];tag]*/
- if (url_len < 105)
- {
- GNUNET_break (0);
- goto error; /* too short */
- }
- hash_start = strrchr (url, '/');
- if (NULL == hash_start)
+ if (NULL == url)
{
GNUNET_break (0);
- goto error; /* '/' delimiter not found */
+ return GNUNET_SYSERR;
}
- if (hash_start >= url_end)
+ /* convert tag */
+
+ /* find separator */
+ separator = strrchr (url, ';');
+
+ if (NULL == separator)
{
- GNUNET_break (0);
- goto error; /* mal formed */
+ if (debug) GNUNET_break (0);
+ return GNUNET_SYSERR;
}
- hash_start++;
+ tag_start = separator + 1;
- hash_end = strrchr (hash_start, ';');
- if (NULL == hash_end)
- goto error; /* ';' delimiter not found */
- if (hash_end >= url_end)
+ if (strlen (tag_start) == 0)
{
- GNUNET_break (0);
- goto error; /* mal formed */
+ /* No tag after separator */
+ if (debug) GNUNET_break (0);
+ return GNUNET_SYSERR;
}
-
- if (hash_start >= hash_end)
+ ctag = strtoul (tag_start, &tag_end, 10);
+ if (ctag == 0)
{
- GNUNET_break (0);
- goto error; /* mal formed */
+ /* tag == 0 , invalid */
+ if (debug) GNUNET_break (0);
+ return GNUNET_SYSERR;
}
-
- if ((strlen(hash_start) - strlen(hash_end)) != 103)
+ if ((ctag == ULONG_MAX) && (ERANGE == errno))
{
- GNUNET_break (0);
- goto error; /* invalid hash length */
+ /* out of range: > ULONG_MAX */
+ if (debug) GNUNET_break (0);
+ return GNUNET_SYSERR;
}
-
- char hash[104];
- memcpy (hash, hash_start, 103);
- hash[103] = '\0';
- if (GNUNET_OK != GNUNET_CRYPTO_hash_from_string ((const char *) hash, &(target.hashPubKey)))
+ if (ctag > UINT32_MAX)
{
- GNUNET_break (0);
- goto error; /* mal formed */
+ /* out of range: > UINT32_MAX */
+ if (debug) GNUNET_break (0);
+ return GNUNET_SYSERR;
}
-
- if (hash_end >= url_end)
+ (*tag) = (uint32_t) ctag;
+ if (NULL == tag_end)
{
- GNUNET_break (0);
- goto error; /* mal formed */
+ /* no char after tag */
+ if (debug) GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ if (url[strlen(url)] != tag_end[0])
+ {
+ /* there are more not converted chars after tag */
+ if (debug) GNUNET_break (0);
+ return GNUNET_SYSERR;
}
+ if (debug)
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Found tag `%u' in url\n", (*tag));
- tag_start = &hash_end[1];
- /* Converting tag */
- tag_end = NULL;
- tag = strtoul (tag_start, &tag_end, 10);
- if (tag == 0)
+ /* convert peer id */
+ target_start = strrchr (url, '/');
+ if (NULL == target_start)
{
- goto error; /* mal formed */
+ /* no leading '/' */
+ target_start = (char *) url;
}
- if (tag_end == NULL)
+ target_start++;
+ hash_length = separator - target_start;
+ if (hash_length != plugin->peer_id_length)
{
- goto error; /* mal formed */
+ /* no char after tag */
+ if (debug) GNUNET_break (0);
+ return GNUNET_SYSERR;
}
- if (tag_end != url_end)
+ memcpy (hash, target_start, hash_length);
+ hash[hash_length] = '\0';
+
+ if (GNUNET_OK != GNUNET_CRYPTO_hash_from_string ((const char *) hash, &(target->hashPubKey)))
{
- goto error; /* mal formed */
+ /* hash conversion failed */
+ if (debug) GNUNET_break (0);
+ return GNUNET_SYSERR;
}
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Found target `%s' in url\n", GNUNET_h2s_full(&target->hashPubKey));
+ return GNUNET_OK;
+}
+
+
+/**
+ * Lookup a mhd connection and create one if none is found
+ *
+ * @param plugin the plugin handle
+ * @param mhd_connection the incoming mhd_connection
+ * @param url incoming requested URL
+ * @param method PUT or GET
+ * @return the server connecetion
+ */
+static struct ServerConnection *
+server_lookup_connection (struct HTTP_Server_Plugin *plugin,
+ struct MHD_Connection *mhd_connection, const char *url,
+ const char *method)
+{
+ struct Session *s = NULL;
+ struct ServerConnection *sc = NULL;
+ const union MHD_ConnectionInfo *conn_info;
+ struct GNUNET_ATS_Information ats;
+
+ char *addr;
+ size_t addr_len;
+
+ struct GNUNET_PeerIdentity target;
+ uint32_t tag = 0;
+ int direction = GNUNET_SYSERR;
+ int to;
+
+ conn_info = MHD_get_connection_info (mhd_connection,
+ MHD_CONNECTION_INFO_CLIENT_ADDRESS);
+ if ((conn_info->client_addr->sa_family != AF_INET) &&
+ (conn_info->client_addr->sa_family != AF_INET6))
+ return NULL;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "New %s connection from %s\n", method, url);
+
+ if (GNUNET_SYSERR == server_parse_url (plugin, url, &target, &tag))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Invalid url %s\n", url);
+ return NULL;
+ }
if (0 == strcmp (MHD_HTTP_METHOD_PUT, method))
direction = _RECEIVE;
else if (0 == strcmp (MHD_HTTP_METHOD_GET, method))
direction = _SEND;
else
{
- goto error;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Invalid method %s connection from %s\n", method, url);
+ return NULL;
}
plugin->cur_connections++;
method,
GNUNET_i2s (&target), tag,
plugin->cur_connections, plugin->max_connections);
-
/* find duplicate session */
- t = plugin->head;
- while (t != NULL)
- {
- if ((t->inbound) &&
- (0 == memcmp (&t->target, &target, sizeof (struct GNUNET_PeerIdentity)))
- &&
- /* FIXME add source address comparison */
- (t->tag == tag))
+ s = plugin->head;
+ while (s != NULL)
+ {
+ if ((0 == memcmp (&s->target, &target, sizeof (struct GNUNET_PeerIdentity))) &&
+ (s->tag == tag))
break;
- t = t->next;
+ s = s->next;
}
- if (t != NULL)
+ if (s != NULL)
{
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Duplicate session, dismissing new connection from peer `%s'\n",
- GNUNET_i2s (&target));
- goto error;
- }
-
- /* find semi-session */
- t = plugin->server_semi_head;
+ if ((_RECEIVE == direction) && (NULL != s->server_recv))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Duplicate PUT connection from `%s' tag %u, dismissing new connection\n",
+ GNUNET_i2s (&target),
+ tag);
+ return NULL;
- while (t != NULL)
- {
- /* FIXME add source address comparison */
- if ((0 == memcmp (&t->target, &target, sizeof (struct GNUNET_PeerIdentity)))
- && (t->tag == tag))
+ }
+ if ((_SEND == direction) && (NULL != s->server_send))
{
- break;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Duplicate GET connection from `%s' tag %u, dismissing new connection\n",
+ GNUNET_i2s (&target),
+ tag);
+ return NULL;
}
- t = t->next;
- }
-
- if (t == NULL)
- goto create;
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Found existing semi-session for `%s'\n",
- GNUNET_i2s (&target));
-
- if ((direction == _SEND) && (t->server_send != NULL))
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Duplicate GET session, dismissing new connection from peer `%s'\n",
- GNUNET_i2s (&target));
- goto error;
}
else
{
- s = t;
- GNUNET_CONTAINER_DLL_remove (plugin->server_semi_head,
- plugin->server_semi_tail, s);
- GNUNET_CONTAINER_DLL_insert (plugin->head, plugin->tail, s);
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Found matching semi-session, merging session for peer `%s'\n",
- GNUNET_i2s (&target));
- GNUNET_assert (NULL != s);
- goto found;
- }
- if ((direction == _RECEIVE) && (t->server_recv != NULL))
- {
+ /* create new session */
+ switch (conn_info->client_addr->sa_family)
+ {
+ case (AF_INET):
+ addr = http_common_address_from_socket (plugin->protocol, conn_info->client_addr, sizeof (struct sockaddr_in));
+ addr_len = http_common_address_get_size (addr);
+ ats = plugin->env->get_address_type (plugin->env->cls, conn_info->client_addr, sizeof (struct sockaddr_in));
+ break;
+ case (AF_INET6):
+ addr = http_common_address_from_socket (plugin->protocol, conn_info->client_addr, sizeof (struct sockaddr_in6));
+ addr_len = http_common_address_get_size (addr);
+ ats = plugin->env->get_address_type (plugin->env->cls, conn_info->client_addr, sizeof (struct sockaddr_in6));
+ break;
+ default:
+ GNUNET_break (0);
+ return NULL;
+ }
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Duplicate PUT session, dismissing new connection from peer `%s'\n",
- GNUNET_i2s (&target));
- goto error;
- }
- else
- {
- s = t;
- GNUNET_CONTAINER_DLL_remove (plugin->server_semi_head,
- plugin->server_semi_tail, s);
+ "Creating new session for peer `%s' connecting from `%s'\n",
+ GNUNET_i2s (&target),
+ http_common_plugin_address_to_string (NULL, addr, addr_len));
+
+ s = GNUNET_malloc (sizeof (struct Session));
+ memcpy (&s->target, &target, sizeof (struct GNUNET_PeerIdentity));
+ s->plugin = plugin;
+ s->addr = addr;
+ s->addrlen = addr_len;
+ s->ats_address_network_type = ats.value;
+ s->next_receive = GNUNET_TIME_UNIT_ZERO_ABS;
+ s->tag = tag;
+ s->server_recv = NULL;
+ s->server_send = NULL;
+ s->session_passed = GNUNET_NO;
+ s->session_ended = GNUNET_NO;
+ server_start_session_timeout(s);
GNUNET_CONTAINER_DLL_insert (plugin->head, plugin->tail, s);
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Found matching semi-session, merging session for peer `%s'\n",
- GNUNET_i2s (&target));
- GNUNET_assert (NULL != s);
- goto found;
- }
-
-create:
-/* create new session */
-
- switch (conn_info->client_addr->sa_family)
- {
- case (AF_INET):
- addr = http_common_address_from_socket (plugin->protocol, conn_info->client_addr, sizeof (struct sockaddr_in));
- addr_len = http_common_address_get_size (addr);
- ats = plugin->env->get_address_type (plugin->env->cls, conn_info->client_addr, sizeof (struct sockaddr_in));
- break;
- case (AF_INET6):
- addr = http_common_address_from_socket (plugin->protocol, conn_info->client_addr, sizeof (struct sockaddr_in6));
- addr_len = http_common_address_get_size (addr);
- ats = plugin->env->get_address_type (plugin->env->cls, conn_info->client_addr, sizeof (struct sockaddr_in6));
- break;
- default:
- GNUNET_break (0);
- goto error;
}
-
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Creating new session for peer `%s' connecting from `%s'\n",
- GNUNET_i2s (&target),
- http_common_plugin_address_to_string (NULL, addr, addr_len));
-
- s = GNUNET_malloc (sizeof (struct Session));
- memcpy (&s->target, &target, sizeof (struct GNUNET_PeerIdentity));
- s->plugin = plugin;
- s->addr = addr;
- s->addrlen = addr_len;
- s->ats_address_network_type = ats.value;
- s->inbound = GNUNET_YES;
- s->next_receive = GNUNET_TIME_UNIT_ZERO_ABS;
- s->tag = tag;
- s->server_recv = NULL;
- s->server_send = NULL;
-
- server_start_session_timeout(s);
-
- GNUNET_CONTAINER_DLL_insert (plugin->server_semi_head,
- plugin->server_semi_tail, s);
- goto found;
-error:
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Invalid connection request\n");
- return NULL;
-
-found:
-
sc = GNUNET_malloc (sizeof (struct ServerConnection));
-
if (conn_info->client_addr->sa_family == AF_INET)
sc->mhd_daemon = plugin->server_v4;
if (conn_info->client_addr->sa_family == AF_INET6)
sc->mhd_daemon = plugin->server_v6;
sc->mhd_conn = mhd_connection;
sc->direction = direction;
+ sc->connected = GNUNET_NO;
sc->session = s;
if (direction == _SEND)
s->server_send = sc;
if (direction == _RECEIVE)
s->server_recv = sc;
-
#if MHD_VERSION >= 0x00090E00
- int to = (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value / 1000);
+ if ((NULL == s->server_recv) || (NULL == s->server_send))
+ {
+ to = (HTTP_SERVER_NOT_VALIDATED_TIMEOUT.rel_value / 1000);
+ MHD_set_connection_option (mhd_connection, MHD_CONNECTION_OPTION_TIMEOUT, to);
+ server_reschedule (plugin, sc->mhd_daemon, GNUNET_NO);
+ }
+ else
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Session %p for peer `%s' fully connected\n",
+ s, GNUNET_i2s (&target));
+ to = (SERVER_SESSION_TIMEOUT.rel_value / 1000);
+ server_mhd_connection_timeout (plugin, s, to);
+ }
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"Setting timeout for %p to %u sec.\n", sc, to);
- MHD_set_connection_option (mhd_connection, MHD_CONNECTION_OPTION_TIMEOUT, to);
-
- server_reschedule (plugin, sc->mhd_daemon, GNUNET_NO);
#endif
return sc;
-
}
+
+/**
+ * Lookup a session for a server connection
+ *
+ * @param plugin the plugin
+ * @param sc the server connection
+ * @return the session found or NULL
+ */
static struct Session *
server_lookup_session (struct HTTP_Server_Plugin *plugin,
struct ServerConnection * sc)
for (s = plugin->head; NULL != s; s = s->next)
if ((s->server_recv == sc) || (s->server_send == sc))
return s;
- for (s = plugin->server_semi_head; NULL != s; s = s->next)
- if ((s->server_recv == sc) || (s->server_send == sc))
- return s;
return NULL;
}
/**
* Callback called by MHD when it needs data to send
+ *
* @param cls current session
* @param pos position in buffer
* @param buf the buffer to write data to
struct Session *s = cls;
ssize_t bytes_read = 0;
struct HTTP_Message *msg;
+ char *stat_txt;
GNUNET_assert (NULL != p);
if (GNUNET_NO == server_exist_session (p, s))
{
GNUNET_CONTAINER_DLL_remove (s->msg_head, s->msg_tail, msg);
if (NULL != msg->transmit_cont)
- msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_OK);
+ msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_OK,
+ msg->size, msg->size + msg->overhead);
GNUNET_free (msg);
}
}
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
- "Sent %u bytes\n", s, bytes_read);
+ if (0 < bytes_read)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
+ "Sent %u bytes to peer `%s' with session %p \n", bytes_read, GNUNET_i2s (&s->target), s);
+ GNUNET_asprintf (&stat_txt, "# bytes currently in %s_server buffers", p->protocol);
+ GNUNET_STATISTICS_update (p->env->stats,
+ stat_txt, -bytes_read, GNUNET_NO);
+ GNUNET_free (stat_txt);
+ GNUNET_asprintf (&stat_txt, "# bytes transmitted via %s_server", p->protocol);
+ GNUNET_STATISTICS_update (p->env->stats,
+ stat_txt, bytes_read, GNUNET_NO);
+ GNUNET_free (stat_txt);
+ }
return bytes_read;
}
+
/**
* Callback called by MessageStreamTokenizer when a message has arrived
+ *
* @param cls current session as closure
- * @param client clien
+ * @param client client
* @param message the message to be forwarded to transport service
+ * @return GNUNET_OK
*/
static int
server_receive_mst_cb (void *cls, void *client,
struct Session *s = cls;
struct GNUNET_ATS_Information atsi[2];
struct GNUNET_TIME_Relative delay;
+ char *stat_txt;
GNUNET_assert (NULL != p);
if (GNUNET_NO == server_exist_session(p, s))
atsi[1].value = s->ats_address_network_type;
GNUNET_break (s->ats_address_network_type != ntohl (GNUNET_ATS_NET_UNSPECIFIED));
+
delay = plugin->env->receive (plugin->env->cls,
&s->target,
message,
(const struct GNUNET_ATS_Information *) &atsi, 2,
s, s->addr, s->addrlen);
- s->next_receive =
- GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (), delay);
+ GNUNET_asprintf (&stat_txt, "# bytes received via %s_server", plugin->protocol);
+ GNUNET_STATISTICS_update (plugin->env->stats,
+ stat_txt, ntohs (message->size), GNUNET_NO);
+ GNUNET_free (stat_txt);
+
+ s->session_passed = GNUNET_YES;
+ s->next_receive = GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (), delay);
if (delay.rel_value > 0)
{
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Server: peer `%s' address `%s' next read delayed for %llu ms\n",
+ "Peer `%s' address `%s' next read delayed for %llu ms\n",
GNUNET_i2s (&s->target),
http_common_plugin_address_to_string (NULL, s->addr, s->addrlen),
delay);
}
+/**
+ * MHD callback for a new incoming connection
+ *
+ * @param cls the plugin handle
+ * @param mhd_connection the mhd connection
+ * @param url the requested URL
+ * @param method GET or PUT
+ * @param version HTTP version
+ * @param upload_data upload data
+ * @param upload_data_size sizeof upload data
+ * @param httpSessionCache the session cache to remember the connection
+ * @return MHD_YES if connection is accepted, MHD_NO on reject
+ */
static int
server_access_cb (void *cls, struct MHD_Connection *mhd_connection,
const char *url, const char *method, const char *version,
struct Session *s;
struct MHD_Response *response;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ _("Access from connection %p (%u of %u) for `%s' `%s' url `%s' with upload data size %u\n"),
+ sc,
+ plugin->cur_connections, plugin->max_connections,
+ method, version, url, (*upload_data_size));
+
GNUNET_assert (cls != NULL);
if (sc == NULL)
{
/* new connection */
sc = server_lookup_connection (plugin, mhd_connection, url, method);
if (sc != NULL)
+ {
(*httpSessionCache) = sc;
+ }
else
{
response = MHD_create_response_from_data (strlen (HTTP_ERROR_RESPONSE), HTTP_ERROR_RESPONSE, MHD_NO, MHD_NO);
/* existing connection */
sc = (*httpSessionCache);
s = sc->session;
-
GNUNET_assert (NULL != s);
/* connection is to be disconnected */
if (sc->disconnect == GNUNET_YES)
{
- /* Sent HTTP/1.1: 200 OK as PUT Response\ */
- response =
- MHD_create_response_from_data (strlen ("Thank you!"), "Thank you!",
+ /* Sent HTTP/1.1: 200 OK as response */
+ response = MHD_create_response_from_data (strlen ("Thank you!"),
+ "Thank you!",
MHD_NO, MHD_NO);
res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
MHD_destroy_response (response);
return MHD_YES;
}
-
GNUNET_assert (s != NULL);
- /* Check if both directions are connected */
- if ((sc->session->server_recv == NULL) || (sc->session->server_send == NULL))
- {
- /* Delayed read from since not both semi-connections are connected */
- return MHD_YES;
- }
if (sc->direction == _SEND)
{
}
if (sc->direction == _RECEIVE)
{
- if (*upload_data_size == 0)
+ if ((*upload_data_size == 0) && (sc->connected == GNUNET_NO))
{
+ /* (*upload_data_size == 0) first callback when header are passed */
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Peer `%s' PUT on address `%s' connected\n",
+ "Session %p / Connection %p: Peer `%s' PUT on address `%s' connected\n",
+ s, sc,
GNUNET_i2s (&s->target),
http_common_plugin_address_to_string (NULL,
s->addr,
s->addrlen));
+ sc->connected = GNUNET_YES;
return MHD_YES;
}
-
- /* Receiving data */
- if ((*upload_data_size > 0))
+ else if ((*upload_data_size == 0) && (sc->connected == GNUNET_YES))
{
+ /* (*upload_data_size == 0) when upload is complete */
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Peer `%s' PUT on address `%s' received %u bytes\n",
+ "Session %p / Connection %p: Peer `%s' PUT on address `%s' finished upload\n",
+ s, sc,
+ GNUNET_i2s (&s->target),
+ http_common_plugin_address_to_string (NULL,
+ s->addr,
+ s->addrlen));
+ sc->connected = GNUNET_NO;
+ /* Sent HTTP/1.1: 200 OK as PUT Response\ */
+ response = MHD_create_response_from_data (strlen ("Thank you!"),
+ "Thank you!",
+ MHD_NO, MHD_NO);
+ res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
+ MHD_destroy_response (response);
+ return MHD_YES;
+ }
+ else if ((*upload_data_size > 0) && (sc->connected == GNUNET_YES))
+ {
+ /* (*upload_data_size > 0) for every segment received */
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Session %p / Connection %p: Peer `%s' PUT on address `%s' received %u bytes\n",
+ s, sc,
GNUNET_i2s (&s->target),
http_common_plugin_address_to_string (NULL,
s->addr,
if ((s->next_receive.abs_value <= now.abs_value))
{
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "PUT with %u bytes forwarded to MST\n", s,
+ "PUT with %u bytes forwarded to MST\n",
*upload_data_size);
if (s->msg_tk == NULL)
{
}
GNUNET_SERVER_mst_receive (s->msg_tk, s, upload_data,
*upload_data_size, GNUNET_NO, GNUNET_NO);
-
#if MHD_VERSION >= 0x00090E00
- int to = (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value / 1000);
- struct ServerConnection *t = NULL;
-
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Received %u bytes\n", *upload_data_size);
- /* Setting timeouts for other connections */
- if (s->server_recv != NULL)
- {
- t = s->server_recv;
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Setting timeout for %p to %u sec.\n", t,
- to);
- MHD_set_connection_option (t->mhd_conn,
- MHD_CONNECTION_OPTION_TIMEOUT,
- to);
- server_reschedule (plugin, t->mhd_daemon, GNUNET_NO);
- }
- if (s->server_send != NULL)
- {
- t = s->server_send;
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Setting timeout for %p to %u sec.\n", t,
- to);
- MHD_set_connection_option (t->mhd_conn,
- MHD_CONNECTION_OPTION_TIMEOUT,
- to);
- server_reschedule (plugin, t->mhd_daemon, GNUNET_NO);
- }
+ server_mhd_connection_timeout (plugin, s, GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value / 1000);
#endif
(*upload_data_size) = 0;
}
else
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Server: %p no inbound bandwidth available! Next read was delayed by %llu ms\n",
- s, now.abs_value - s->next_receive.abs_value);
+ "Session %p / Connection %p: no inbound bandwidth available! Next read was delayed by %llu ms\n",
+ s, sc, now.abs_value - s->next_receive.abs_value);
}
return MHD_YES;
}
else
+ {
+ GNUNET_break (0);
return MHD_NO;
+ }
}
return res;
}
+
+/**
+ * Callback from MHD when a connection disconnects
+ *
+ * @param cls closure
+ * @param connection the disconnected MHD connection
+ * @param httpSessionCache the pointer to distinguish
+ */
static void
server_disconnect_cb (void *cls, struct MHD_Connection *connection,
void **httpSessionCache)
{
- /* FIXME SPLIT */
- GNUNET_break (0);
+ struct ServerConnection *sc = *httpSessionCache;
+ struct Session *s = NULL;
+ struct Session *t = NULL;
+ struct HTTP_Server_Plugin *plugin = NULL;
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, p->name,
+ "Disconnect for connection %p \n", sc);
+
+ if (sc == NULL)
+ return;
+
+ if (NULL == (s = server_lookup_session (p, sc)))
+ return;
+
+ GNUNET_assert (NULL != p);
+ for (t = p->head; t != NULL; t = t->next)
+ {
+ if (t == s)
+ break;
+ }
+ if (NULL == t)
+ return;
+
+ plugin = s->plugin;
+ if (sc->direction == _SEND)
+ {
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Peer `%s' connection %p, GET on address `%s' disconnected\n",
+ GNUNET_i2s (&s->target), s->server_send,
+ http_common_plugin_address_to_string (NULL, s->addr, s->addrlen));
+ s->server_send = NULL;
+ if (NULL != (s->server_recv))
+ {
+ s->server_recv->disconnect = GNUNET_YES;
+ GNUNET_assert (NULL != s->server_recv->mhd_conn);
+#if MHD_VERSION >= 0x00090E00
+ MHD_set_connection_option (s->server_recv->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
+ 1);
+#endif
+ server_reschedule (plugin, s->server_recv->mhd_daemon, GNUNET_NO);
+ }
+ }
+ if (sc->direction == _RECEIVE)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Peer `%s' connection %p PUT on address `%s' disconnected\n",
+ GNUNET_i2s (&s->target), s->server_recv,
+ http_common_plugin_address_to_string (NULL, s->addr, s->addrlen));
+ s->server_recv = NULL;
+ /* Do not terminate session when PUT disconnects
+ if (NULL != (s->server_send))
+ {
+ s->server_send->disconnect = GNUNET_YES;
+ GNUNET_assert (NULL != s->server_send->mhd_conn);
+#if MHD_VERSION >= 0x00090E00
+ MHD_set_connection_option (s->server_send->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
+ 1);
+#endif
+ server_reschedule (plugin, s->server_send->mhd_daemon, GNUNET_NO);
+ }*/
+ if (s->msg_tk != NULL)
+ {
+ GNUNET_SERVER_mst_destroy (s->msg_tk);
+ s->msg_tk = NULL;
+ }
+ }
+
+ GNUNET_free (sc);
+ plugin->cur_connections--;
+
+ if ((s->server_send == NULL) && (s->server_recv == NULL))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Peer `%s' on address `%s' disconnected\n",
+ GNUNET_i2s (&s->target),
+ http_common_plugin_address_to_string (NULL, s->addr, s->addrlen));
+
+ if ((GNUNET_YES == s->session_passed) && (GNUNET_NO == s->session_ended))
+ {
+ /* Notify transport immediately that this session is invalid */
+ s->session_ended = GNUNET_YES;
+ plugin->env->session_end (plugin->env->cls, &s->target, s);
+ }
+ server_delete_session (s);
+ }
+
}
+
/**
* Check if incoming connection is accepted.
- * NOTE: Here every connection is accepted
+
* @param cls plugin as closure
* @param addr address of incoming connection
* @param addr_len address length of incoming connection
struct HTTP_Server_Plugin *plugin = cls;
if (plugin->cur_connections <= plugin->max_connections)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ _("Accepting connection (%u of %u) from `%s'\n"),
+ plugin->cur_connections, plugin->max_connections,
+ GNUNET_a2s (addr, addr_len));
return MHD_YES;
+ }
else
{
GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, plugin->name,
}
+#define UNSIGNED_MHD_LONG_LONG unsigned MHD_LONG_LONG
+
/**
* Function that queries MHD's select sets and
* starts the task waiting for them.
+ *
* @param plugin plugin
* @param daemon_handle the MHD daemon handle
* @return gnunet task identifier
*/
static GNUNET_SCHEDULER_TaskIdentifier
-server_schedule (struct HTTP_Server_Plugin *plugin, struct MHD_Daemon *daemon_handle,
+server_schedule (struct HTTP_Server_Plugin *plugin,
+ struct MHD_Daemon *daemon_handle,
int now)
{
GNUNET_SCHEDULER_TaskIdentifier ret;
struct GNUNET_NETWORK_FDSet *wws;
struct GNUNET_NETWORK_FDSet *wes;
int max;
- unsigned MHD_LONG_LONG timeout;
+ UNSIGNED_MHD_LONG_LONG timeout;
static unsigned long long last_timeout = 0;
int haveto;
struct GNUNET_TIME_Relative tv;
+ if (GNUNET_YES == plugin->in_shutdown)
+ return GNUNET_SCHEDULER_NO_TASK;
+
ret = GNUNET_SCHEDULER_NO_TASK;
FD_ZERO (&rs);
FD_ZERO (&ws);
{
if (timeout != last_timeout)
{
-#if VERBOSE_SERVER
+
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"SELECT Timeout changed from %llu to %llu\n",
last_timeout, timeout);
-#endif
last_timeout = timeout;
}
- tv.rel_value = (uint64_t) timeout;
+ if (timeout <= GNUNET_TIME_UNIT_SECONDS.rel_value)
+ tv.rel_value = (uint64_t) timeout;
+ else
+ tv = GNUNET_TIME_UNIT_SECONDS;
}
else
tv = GNUNET_TIME_UNIT_SECONDS;
#if BUILD_HTTPS
+/**
+ * Load ssl certificate from file
+ *
+ * @param file filename
+ * @return content of the file
+ */
static char *
server_load_file (const char *file)
{
#if BUILD_HTTPS
-
+/**
+ * Load ssl certificate
+ *
+ * @param plugin the plugin
+ * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ */
static int
server_load_certificate (struct HTTP_Server_Plugin *plugin)
{
int res = GNUNET_OK;
+ char *sh;
char *key_file;
char *cert_file;
/* Get crypto init string from config
* If not present just use default values */
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (plugin->env->cfg,
+ "PATHS",
+ "SERVICEHOME",
+ &sh))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
+ "Failed to get servicehome!\n");
+ return GNUNET_SYSERR;
+ }
+
+
if (GNUNET_OK ==
GNUNET_CONFIGURATION_get_value_string (plugin->env->cfg,
plugin->name,
GNUNET_CONFIGURATION_get_value_filename (plugin->env->cfg, plugin->name,
"KEY_FILE", &key_file))
{
- key_file = GNUNET_strdup ("https_key.key");
+ GNUNET_break (0);
+ GNUNET_asprintf (&key_file, "%s/%s", sh, "https_key.key");
}
+
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_filename (plugin->env->cfg, plugin->name,
"CERT_FILE", &cert_file))
{
- GNUNET_asprintf (&cert_file, "%s", "https_cert.crt");
+ GNUNET_break (0);
+ GNUNET_asprintf (&cert_file, "%s/%s", sh, "https_cert.crt");
}
-
+ GNUNET_free (sh);
/* read key & certificates from file */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Trying to loading TLS certificate from key-file `%s' cert-file`%s'\n",
}
#endif
-int
+
+/**
+ * Start the HTTP server
+ *
+ * @param plugin the plugin handle
+ * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ */
+static int
server_start (struct HTTP_Server_Plugin *plugin)
{
unsigned int timeout;
#if MHD_VERSION >= 0x00090E00
- timeout = HTTP_NOT_VALIDATED_TIMEOUT.rel_value / 1000;
+ timeout = HTTP_SERVER_NOT_VALIDATED_TIMEOUT.rel_value / 1000;
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"MHD can set timeout per connection! Default time out %u sec.\n",
timeout);
#else
- timeout = GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value / 1000;
+ timeout = SERVER_SESSION_TIMEOUT.rel_value / 1000;
GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, plugin->name,
"MHD cannot set timeout per connection! Default time out %u sec.\n",
timeout);
void
server_stop (struct HTTP_Server_Plugin *plugin)
{
- struct Session *s = NULL;
- struct Session *t = NULL;
-
- struct MHD_Daemon *server_v4_tmp = plugin->server_v4;
- plugin->server_v4 = NULL;
+ if (plugin->server_v4 != NULL)
+ {
+ MHD_stop_daemon (plugin->server_v4);
+ plugin->server_v4 = NULL;
+ }
+ if ( plugin->server_v6 != NULL)
+ {
+ MHD_stop_daemon (plugin->server_v6);
+ plugin->server_v6 = NULL;
+ }
- struct MHD_Daemon *server_v6_tmp = plugin->server_v6;
- plugin->server_v6 = NULL;
if (plugin->server_v4_task != GNUNET_SCHEDULER_NO_TASK)
{
GNUNET_SCHEDULER_cancel (plugin->server_v6_task);
plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
}
-
- if (server_v6_tmp != NULL)
- {
- MHD_stop_daemon (server_v4_tmp);
- }
- if (server_v6_tmp != NULL)
- {
- MHD_stop_daemon (server_v6_tmp);
- }
-
- /* cleaning up semi-sessions never propagated */
- s = plugin->server_semi_head;
- while (s != NULL)
- {
-#if VERBOSE_SERVER
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Deleting semi-sessions %p\n", s);
-#endif
- t = s->next;
- struct HTTP_Message *msg = s->msg_head;
- struct HTTP_Message *tmp = NULL;
-
- while (msg != NULL)
- {
- tmp = msg->next;
-
- GNUNET_CONTAINER_DLL_remove (s->msg_head, s->msg_tail, msg);
- if (msg->transmit_cont != NULL)
- {
- msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_SYSERR);
- }
- GNUNET_free (msg);
- msg = tmp;
- }
-
- server_delete_session (s);
- s = t;
- }
-
p = NULL;
#if BUILD_HTTPS
"%s server component stopped\n", plugin->name);
}
+
+/**
+ * Add an address to the server's set of addresses and notify transport
+ *
+ * @param cls the plugin handle
+ * @param add_remove GNUNET_YES on add, GNUNET_NO on remove
+ * @param addr the address
+ * @param addrlen address length
+ */
static void
server_add_address (void *cls, int add_remove, const struct sockaddr *addr,
socklen_t addrlen)
struct HTTP_Server_Plugin *plugin = cls;
struct HttpAddressWrapper *w = NULL;
- if ((AF_INET == addr->sa_family) && (GNUNET_NO == plugin->use_ipv4))
- return;
-
- if ((AF_INET6 == addr->sa_family) && (GNUNET_NO == plugin->use_ipv6))
- return;
-
w = GNUNET_malloc (sizeof (struct HttpAddressWrapper));
w->addr = http_common_address_from_socket (plugin->protocol, addr, addrlen);
if (NULL == w->addr)
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"Notifying transport to add address `%s'\n",
http_common_plugin_address_to_string(NULL, w->addr, w->addrlen));
-
- plugin->env->notify_address (plugin->env->cls, add_remove, w->addr, w->addrlen);
+#if BUILD_HTTPS
+ plugin->env->notify_address (plugin->env->cls, add_remove, w->addr, w->addrlen, "https_client");
+#else
+ plugin->env->notify_address (plugin->env->cls, add_remove, w->addr, w->addrlen, "http_client");
+#endif
}
+/**
+ * Remove an address from the server's set of addresses and notify transport
+ *
+ * @param cls the plugin handle
+ * @param add_remove GNUNET_YES on add, GNUNET_NO on remove
+ * @param addr the address
+ * @param addrlen address length
+ */
static void
server_remove_address (void *cls, int add_remove, const struct sockaddr *addr,
socklen_t addrlen)
"Notifying transport to remove address `%s'\n",
http_common_plugin_address_to_string (NULL, w->addr, w->addrlen));
GNUNET_CONTAINER_DLL_remove (plugin->addr_head, plugin->addr_tail, w);
- plugin->env->notify_address (plugin->env->cls, add_remove, w->addr, w->addrlen);
+#if BUILD_HTTPS
+ plugin->env->notify_address (plugin->env->cls, add_remove, w->addr, w->addrlen, "https_client");
+#else
+ plugin->env->notify_address (plugin->env->cls, add_remove, w->addr, w->addrlen, "http_client");
+#endif
GNUNET_free (w->addr);
GNUNET_free (w);
}
struct HTTP_Server_Plugin *plugin = cls;
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "NPMC called %s to address `%s'\n",
+ "NAT called to %s address `%s'\n",
(add_remove == GNUNET_NO) ? "remove" : "add",
GNUNET_a2s (addr, addrlen));
+ if (AF_INET == addr->sa_family)
+ {
+ struct sockaddr_in *s4 = (struct sockaddr_in *) addr;
+
+ if (GNUNET_NO == plugin->use_ipv4)
+ return;
+
+ if ((NULL != plugin->server_addr_v4) &&
+ (0 != memcmp (&plugin->server_addr_v4->sin_addr,
+ &s4->sin_addr, sizeof (struct in_addr))))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Skipping address `%s' (not bindto address)\n",
+ GNUNET_a2s (addr, addrlen));
+ return;
+ }
+ }
+
+ if (AF_INET6 == addr->sa_family)
+ {
+ struct sockaddr_in6 *s6 = (struct sockaddr_in6 *) addr;
+ if (GNUNET_NO == plugin->use_ipv6)
+ return;
+
+ if ((NULL != plugin->server_addr_v6) &&
+ (0 != memcmp (&plugin->server_addr_v6->sin6_addr,
+ &s6->sin6_addr, sizeof (struct in6_addr))))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Skipping address `%s' (not bindto address)\n",
+ GNUNET_a2s (addr, addrlen));
+ return;
+ }
+ }
+
switch (add_remove)
{
case GNUNET_YES:
}
+/**
+ * Get valid server addresses
+ *
+ * @param plugin the plugin handle
+ * @param serviceName the servicename
+ * @param cfg configuration handle
+ * @param addrs addresses
+ * @param addr_lens address length
+ * @return number of addresses
+ */
static int
server_get_addresses (struct HTTP_Server_Plugin *plugin,
const char *serviceName,
return resi;
}
+
+/**
+ * Ask NAT for addresses
+ *
+ * @param plugin the plugin handle
+ */
static void
server_start_report_addresses (struct HTTP_Server_Plugin *plugin)
{
}
+/**
+ * Stop NAT for addresses
+ *
+ * @param plugin the plugin handle
+ */
static void
server_stop_report_addresses (struct HTTP_Server_Plugin *plugin)
{
/**
* Check if IPv6 supported on this system
+ *
+ * @param plugin the plugin handle
+ * @return GNUNET_YES on success, else GNUNET_NO
*/
static int
server_check_ipv6_support (struct HTTP_Server_Plugin *plugin)
plugin->ext_addr_len = strlen (plugin->ext_addr) + 1;
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"Notifying transport about external hostname address `%s'\n", plugin->ext_addr);
- plugin->env->notify_address (plugin->env->cls, GNUNET_YES, plugin->ext_addr, plugin->ext_addr_len );
+
+#if BUILD_HTTPS
+ plugin->env->notify_address (plugin->env->cls, GNUNET_YES,
+ plugin->ext_addr, plugin->ext_addr_len,
+ "https_client");
+#else
+ plugin->env->notify_address (plugin->env->cls, GNUNET_YES,
+ plugin->ext_addr, plugin->ext_addr_len,
+ "http_client");
+#endif
}
+/**
+ * Configure the plugin
+ *
+ * @param plugin plugin handle
+ * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ */
static int
server_configure_plugin (struct HTTP_Server_Plugin *plugin)
{
if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_string (plugin->env->cfg, plugin->name,
"EXTERNAL_HOSTNAME", &plugin->external_hostname))
{
+ char * tmp = NULL;
+ if (NULL != strstr(plugin->external_hostname, "://"))
+ {
+ tmp = strdup(&strstr(plugin->external_hostname, "://")[3]);
+ GNUNET_free (plugin->external_hostname);
+ plugin->external_hostname = tmp;
+
+ }
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
_("Using external hostname `%s'\n"), plugin->external_hostname);
plugin->notify_ext_task = GNUNET_SCHEDULER_add_now (&server_notify_external_hostname, plugin);
+
+ /* Use only configured external hostname */
+ if (GNUNET_CONFIGURATION_have_value
+ (plugin->env->cfg, plugin->name, "EXTERNAL_HOSTNAME_ONLY"))
+ {
+ plugin->external_only =
+ GNUNET_CONFIGURATION_get_value_yesno (plugin->env->cfg, plugin->name,
+ "EXTERNAL_HOSTNAME_ONLY");
+ }
+ else
+ plugin->external_only = GNUNET_NO;
+
+ if (GNUNET_YES == plugin->external_only)
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ _("Notifying transport only about hostname `%s'\n"), plugin->external_hostname);
}
else
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"No external hostname configured\n");
-
/* Optional parameters */
if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (plugin->env->cfg,
plugin->name,
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
_("Maximum number of connections is %u\n"),
plugin->max_connections);
+
+
+ plugin->peer_id_length = strlen (GNUNET_h2s_full (&plugin->env->my_identity->hashPubKey));
+
return GNUNET_OK;
}
+
/**
* Session was idle, so disconnect it
+ *
+ * @param cls the session
+ * @param tc task context
*/
-
static void
server_session_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
s->timeout_task = GNUNET_SCHEDULER_NO_TASK;
GNUNET_log (TIMEOUT_LOG,
"Session %p was idle for %llu ms, disconnecting\n",
- s, (unsigned long long) TIMEOUT.rel_value);
+ s, (unsigned long long) SERVER_SESSION_TIMEOUT.rel_value);
/* call session destroy function */
GNUNET_assert (GNUNET_OK == server_disconnect (s));
}
+
/**
-* Start session timeout
+* Start session timeout for session s
+*
+* @param s the session
*/
static void
server_start_session_timeout (struct Session *s)
{
GNUNET_assert (NULL != s);
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == s->timeout_task);
- s->timeout_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
+ s->timeout_task = GNUNET_SCHEDULER_add_delayed (SERVER_SESSION_TIMEOUT,
&server_session_timeout,
s);
GNUNET_log (TIMEOUT_LOG,
"Timeout for session %p set to %llu ms\n",
- s, (unsigned long long) TIMEOUT.rel_value);
+ s, (unsigned long long) SERVER_SESSION_TIMEOUT.rel_value);
}
/**
-* Increment session timeout due to activity
+* Increment session timeout due to activity session s
+*
+* @param s the session
*/
static void
server_reschedule_session_timeout (struct Session *s)
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK != s->timeout_task);
GNUNET_SCHEDULER_cancel (s->timeout_task);
- s->timeout_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
+ s->timeout_task = GNUNET_SCHEDULER_add_delayed (SERVER_SESSION_TIMEOUT,
&server_session_timeout,
s);
GNUNET_log (TIMEOUT_LOG,
"Timeout rescheduled for session %p set to %llu ms\n",
- s, (unsigned long long) TIMEOUT.rel_value);
+ s, (unsigned long long) SERVER_SESSION_TIMEOUT.rel_value);
}
+
/**
* Exit point from the plugin.
+ *
+ * @param cls api
+ * @return NULL
*/
void *
LIBGNUNET_PLUGIN_TRANSPORT_DONE (void *cls)
{
struct GNUNET_TRANSPORT_PluginFunctions *api = cls;
struct HTTP_Server_Plugin *plugin = api->cls;
+ struct Session *pos;
+ struct Session *next;
+
+ if (NULL == api->cls)
+ {
+ /* Free for stub mode */
+ GNUNET_free (api);
+ return NULL;
+ }
+ plugin->in_shutdown = GNUNET_YES;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ _("Shutting down plugin `%s'\n"),
+ plugin->name);
if (GNUNET_SCHEDULER_NO_TASK != plugin->notify_ext_task)
{
http_common_plugin_address_to_string (NULL,
plugin->ext_addr,
plugin->ext_addr_len));
+#if BUILD_HTTPS
plugin->env->notify_address (plugin->env->cls,
GNUNET_NO,
plugin->ext_addr,
- plugin->ext_addr_len);
+ plugin->ext_addr_len,
+ "https_client");
+#else
+ plugin->env->notify_address (plugin->env->cls,
+ GNUNET_NO,
+ plugin->ext_addr,
+ plugin->ext_addr_len,
+ "http_client");
+#endif
+
}
/* Stop to report addresses to transport service */
server_stop_report_addresses (plugin);
-
server_stop (plugin);
+ next = plugin->head;
+ while (NULL != (pos = next))
+ {
+ next = pos->next;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Removing left over session %p\n", pos);
+
+ if ((GNUNET_YES == pos->session_passed) && (GNUNET_NO == pos->session_ended))
+ {
+ /* Notify transport immediately that this session is invalid */
+ pos->session_ended = GNUNET_YES;
+ plugin->env->session_end (plugin->env->cls, &pos->target, pos);
+ }
+
+ server_delete_session (pos);
+ }
/* Clean up */
GNUNET_free_non_null (plugin->external_hostname);
GNUNET_free_non_null (plugin->server_addr_v4);
GNUNET_free_non_null (plugin->server_addr_v6);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ _("Shutdown for plugin `%s' complete\n"),
+ plugin->name);
+
GNUNET_free (plugin);
GNUNET_free (api);
return NULL;
/**
* Entry point for the plugin.
+ *
+ * @param cls env
+ * @return api
*/
void *
LIBGNUNET_PLUGIN_TRANSPORT_INIT (void *cls)
plugin = GNUNET_malloc (sizeof (struct HTTP_Server_Plugin));
plugin->env = env;
p = plugin;
+
+ if (NULL == env->receive)
+ {
+ /* run in 'stub' mode (i.e. as part of gnunet-peerinfo), don't fully
+ initialze the plugin or the API */
+ api = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_PluginFunctions));
+ api->cls = NULL;
+ api->address_to_string = &http_common_plugin_address_to_string;
+ api->string_to_address = &http_common_plugin_string_to_address;
+ api->address_pretty_printer = &http_common_plugin_address_pretty_printer;
+ return api;
+ }
+
api = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_PluginFunctions));
api->cls = plugin;
api->send = &http_server_plugin_send;
plugin->use_ipv6 = server_check_ipv6_support (plugin);
/* Report addresses to transport service */
- server_start_report_addresses (plugin);
+ if (GNUNET_NO == plugin->external_only)
+ server_start_report_addresses (plugin);
if (GNUNET_SYSERR == server_start (plugin))
{
return api;
}
-
-
-
/* end of plugin_transport_http_server.c */
projects / oweals / gnunet.git / blobdiff