X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Ftransport%2Fplugin_transport_http_server.c;h=8ac301341a966e6f0f8ade82f85ee79722b32c63;hb=56389a7d277b05c9c2968b7ebd529a12f8be15eb;hp=2260cb74e047281479e1b28ef1ad03fb9960edd0;hpb=33769b2c1d815d73727a01bc9b785a951b4d29a1;p=oweals%2Fgnunet.git
diff --git a/src/transport/plugin_transport_http_server.c b/src/transport/plugin_transport_http_server.c
index 2260cb74e..8ac301341 100644
--- a/src/transport/plugin_transport_http_server.c
+++ b/src/transport/plugin_transport_http_server.c
@@ -26,6 +26,25 @@
#include "plugin_transport_http.h"
+#define HTTP_ERROR_RESPONSE "404 Not FoundNot Found
The requested URL was not found on this server.
"
+#define _RECEIVE 0
+#define _SEND 1
+
+static struct Plugin * p;
+
+/**
+ * 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 now or with MHD delay
+ * @return gnunet task identifier
+ */
+static GNUNET_SCHEDULER_TaskIdentifier
+server_schedule (struct Plugin *plugin,
+ struct MHD_Daemon *daemon_handle,
+ int now);
+
static void
server_log (void *arg, const char *fmt, va_list ap)
{
@@ -33,7 +52,7 @@ server_log (void *arg, const char *fmt, va_list ap)
vsnprintf (text, sizeof (text), fmt, ap);
va_end (ap);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "server: %s\n", text);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Server: %s\n", text);
}
/**
@@ -48,44 +67,31 @@ server_log (void *arg, const char *fmt, va_list ap)
static int
server_accept_cb (void *cls, const struct sockaddr *addr, socklen_t addr_len)
{
- struct Plugin * plugin = cls;
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "server: server_accept_cb\n");
+ struct Plugin *plugin = cls;
+
if (plugin->cur_connections <= plugin->max_connections)
return MHD_YES;
else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Server: Cannot accept new connections\n");
return MHD_NO;
+ }
}
-/**
- * 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
- * @param max max number of bytes available in buffer
- * @return bytes written to buffer
- */
-#if 0
-static ssize_t
-server_send_cb (void *cls, uint64_t pos, char *buf, size_t max)
-{
-
- return 0;
-}
-#endif
-
-
#if BUILD_HTTPS
static char *
server_load_file (const char *file)
{
struct GNUNET_DISK_FileHandle *gn_file;
- struct stat fstat;
+ uint64_t fsize;
char *text = NULL;
- if (0 != STAT (file, &fstat))
+ if (GNUNET_OK != GNUNET_DISK_file_size (file,
+ &fsize, GNUNET_NO, GNUNET_YES))
return NULL;
- text = GNUNET_malloc (fstat.st_size + 1);
+ text = GNUNET_malloc (fsize + 1);
gn_file =
GNUNET_DISK_file_open (file, GNUNET_DISK_OPEN_READ,
GNUNET_DISK_PERM_USER_READ);
@@ -94,13 +100,13 @@ server_load_file (const char *file)
GNUNET_free (text);
return NULL;
}
- if (GNUNET_SYSERR == GNUNET_DISK_file_read (gn_file, text, fstat.st_size))
+ if (GNUNET_SYSERR == GNUNET_DISK_file_read (gn_file, text, fsize))
{
GNUNET_free (text);
GNUNET_DISK_file_close (gn_file);
return NULL;
}
- text[fstat.st_size] = '\0';
+ text[fsize] = '\0';
GNUNET_DISK_file_close (gn_file);
return text;
}
@@ -119,29 +125,31 @@ server_load_certificate (struct Plugin *plugin)
/* Get crypto init string from config
* If not present just use default values */
- GNUNET_CONFIGURATION_get_value_string (plugin->env->cfg, plugin->name,
- "CRYPTO_INIT", &plugin->crypto_init);
+
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (plugin->env->cfg,
+ plugin->name,
+ "CRYPTO_INIT",
+ &plugin->crypto_init));
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_filename (plugin->env->cfg, plugin->name,
"KEY_FILE", &key_file))
{
- key_file = "https_key.key";
+ key_file = GNUNET_strdup ("https_key.key");
}
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_filename (plugin->env->cfg, plugin->name,
"CERT_FILE", &cert_file))
{
- cert_file = "https_cert.crt";
+ GNUNET_asprintf (&cert_file, "%s", "https_cert.crt");
}
/* read key & certificates from file */
-#if VERBOSE_SERVER
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Loading TLS certificate from key-file `%s' cert-file`%s'\n",
key_file, cert_file);
-#endif
plugin->key = server_load_file (key_file);
plugin->cert = server_load_file (cert_file);
@@ -155,13 +163,11 @@ server_load_certificate (struct Plugin *plugin)
GNUNET_free_non_null (plugin->cert);
plugin->cert = NULL;
-#if VERBOSE_SERVER
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"No usable TLS certificate found, creating certificate\n");
-#endif
errno = 0;
cert_creation =
- GNUNET_OS_start_process (NULL, NULL,
+ GNUNET_OS_start_process (GNUNET_NO, NULL, NULL,
"gnunet-transport-certificate-creation",
"gnunet-transport-certificate-creation",
key_file, cert_file, NULL);
@@ -174,13 +180,16 @@ server_load_certificate (struct Plugin *plugin)
GNUNET_free (cert_file);
GNUNET_free_non_null (plugin->key);
+ plugin->key = NULL;
GNUNET_free_non_null (plugin->cert);
+ plugin->cert = NULL;
GNUNET_free_non_null (plugin->crypto_init);
+ plugin->crypto_init = NULL;
return GNUNET_SYSERR;
}
GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (cert_creation));
- GNUNET_OS_process_close (cert_creation);
+ GNUNET_OS_process_destroy (cert_creation);
plugin->key = server_load_file (key_file);
plugin->cert = server_load_file (cert_file);
@@ -196,22 +205,387 @@ server_load_certificate (struct Plugin *plugin)
GNUNET_free (cert_file);
GNUNET_free_non_null (plugin->key);
+ plugin->key = NULL;
GNUNET_free_non_null (plugin->cert);
+ plugin->cert = NULL;
GNUNET_free_non_null (plugin->crypto_init);
+ plugin->crypto_init = NULL;
return GNUNET_SYSERR;
}
GNUNET_free (key_file);
GNUNET_free (cert_file);
-#if DEBUG_HTTP
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "TLS certificate loaded\n");
-#endif
-
return res;
}
#endif
+/**
+ * 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 Plugin *plugin, struct MHD_Daemon *server, int now)
+{
+ if ((server == plugin->server_v4) && (plugin->server_v4 != NULL))
+ {
+ if (GNUNET_YES == plugin->server_v4_immediately)
+ return; /* No rescheduling, server will run asap */
+
+ if (GNUNET_YES == now)
+ plugin->server_v4_immediately = GNUNET_YES;
+
+ if (plugin->server_v4_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel (plugin->server_v4_task);
+ plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ plugin->server_v4_task = server_schedule (plugin, plugin->server_v4, now);
+ }
+
+ if ((server == plugin->server_v6) && (plugin->server_v6 != NULL))
+ {
+ if (GNUNET_YES == plugin->server_v6_immediately)
+ return; /* No rescheduling, server will run asap */
+
+ if (GNUNET_YES == now)
+ plugin->server_v6_immediately = GNUNET_YES;
+
+ if (plugin->server_v6_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel (plugin->server_v6_task);
+ plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ plugin->server_v6_task = server_schedule (plugin, plugin->server_v6, now);
+ }
+}
+
+/**
+ * Callback called by MessageStreamTokenizer when a message has arrived
+ * @param cls current session as closure
+ * @param client clien
+ * @param message the message to be forwarded to transport service
+ */
+static int
+server_receive_mst_cb (void *cls, void *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ struct Session *s = cls;
+
+ GNUNET_assert (NULL != p);
+ if (GNUNET_NO == exist_session(p, s))
+ return GNUNET_OK;
+
+ struct Plugin *plugin = s->plugin;
+ struct GNUNET_TIME_Relative delay;
+
+ delay = http_plugin_receive (s, &s->target, message, s, s->addr, s->addrlen);
+
+ 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",
+ GNUNET_i2s (&s->target),
+ http_plugin_address_to_string (NULL, s->addr, s->addrlen),
+ delay);
+ }
+ return GNUNET_OK;
+}
+
+
+/**
+ * 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
+ * @param max max number of bytes available in buffer
+ * @return bytes written to buffer
+ */
+static ssize_t
+server_send_callback (void *cls, uint64_t pos, char *buf, size_t max)
+{
+ struct Session *s = cls;
+ ssize_t bytes_read = 0;
+ struct HTTP_Message *msg;
+
+ GNUNET_assert (NULL != p);
+ if (GNUNET_NO == exist_session(p, s))
+ return 0;
+ msg = s->msg_head;
+ if (NULL != msg)
+ {
+ /* sending */
+ bytes_read = GNUNET_MIN (msg->size - msg->pos,
+ max);
+ memcpy (buf, &msg->buf[msg->pos], bytes_read);
+ msg->pos += bytes_read;
+
+ /* removing message */
+ if (msg->pos == msg->size)
+ {
+ 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);
+ GNUNET_free (msg);
+ }
+ }
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
+ "Server: %p: sent %u bytes\n", s, bytes_read);
+ return bytes_read;
+}
+
+
+static struct Session *
+server_lookup_session (struct Plugin *plugin,
+ struct ServerConnection * sc)
+{
+ struct Session *s;
+
+ 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;
+}
+
+
+static struct ServerConnection *
+server_lookup_serverconnection (struct Plugin *plugin,
+ struct MHD_Connection *mhd_connection, const char *url,
+ const char *method)
+{
+ struct Session *s = NULL;
+ struct Session *t;
+ struct ServerConnection *sc = NULL;
+ const union MHD_ConnectionInfo *conn_info;
+ struct GNUNET_ATS_Information ats;
+ struct IPv4HttpAddress a4;
+ struct IPv6HttpAddress a6;
+ struct sockaddr_in *s4;
+ struct sockaddr_in6 *s6;
+ void *a;
+ size_t a_len;
+ struct GNUNET_PeerIdentity target;
+ int check = GNUNET_NO;
+ uint32_t tag = 0;
+ int direction = GNUNET_SYSERR;
+
+ 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;
+
+ if ((strlen (&url[1]) >= 105) && (url[104] == ';'))
+ {
+ char hash[104];
+ char *tagc = (char *) &url[105];
+
+ memcpy (&hash, &url[1], 103);
+ hash[103] = '\0';
+ if (GNUNET_OK ==
+ GNUNET_CRYPTO_hash_from_string ((const char *) &hash,
+ &(target.hashPubKey)))
+ {
+ tag = strtoul (tagc, NULL, 10);
+ if (tagc > 0)
+ check = GNUNET_YES;
+ }
+ }
+
+ if (0 == strcmp (MHD_HTTP_METHOD_PUT, method))
+ direction = _RECEIVE;
+ else if (0 == strcmp (MHD_HTTP_METHOD_GET, method))
+ direction = _SEND;
+ else
+ {
+ GNUNET_break_op (0);
+ goto error;
+ }
+
+
+ if (check == GNUNET_NO)
+ goto error;
+
+ plugin->cur_connections++;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: New %s connection from %s with tag %u\n",
+ method,
+ GNUNET_i2s (&target), tag);
+
+ /* 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))
+ break;
+ t = t->next;
+ }
+ if (t != NULL)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: Duplicate session, dismissing new connection from peer `%s'\n",
+ GNUNET_i2s (&target));
+ goto error;
+ }
+
+ /* find semi-session */
+ t = plugin->server_semi_head;
+
+ while (t != NULL)
+ {
+ /* FIXME add source address comparison */
+ if ((0 == memcmp (&t->target, &target, sizeof (struct GNUNET_PeerIdentity)))
+ && (t->tag == tag))
+ {
+ break;
+ }
+ t = t->next;
+ }
+
+ if (t == NULL)
+ goto create;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: 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,
+ "Server: 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,
+ "Server: Found matching semi-session, merging session for peer `%s'\n",
+ GNUNET_i2s (&target));
+
+ plugin->inbound_sessions ++;
+ GNUNET_STATISTICS_set (plugin->env->stats,
+ "# HTTP inbound sessions",
+ plugin->inbound_sessions,
+ GNUNET_NO);
+ GNUNET_assert (NULL != s);
+ goto found;
+ }
+ if ((direction == _RECEIVE) && (t->server_recv != NULL))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: 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);
+ GNUNET_CONTAINER_DLL_insert (plugin->head, plugin->tail, s);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: Found matching semi-session, merging session for peer `%s'\n",
+ GNUNET_i2s (&target));
+ plugin->inbound_sessions ++;
+ GNUNET_STATISTICS_set (plugin->env->stats,
+ "# HTTP inbound sessions",
+ plugin->inbound_sessions,
+ GNUNET_NO);
+ GNUNET_assert (NULL != s);
+ goto found;
+ }
+
+create:
+/* create new session */
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: Creating new session for peer `%s' \n",
+ GNUNET_i2s (&target));
+ switch (conn_info->client_addr->sa_family)
+ {
+ case (AF_INET):
+ s4 = ((struct sockaddr_in *) conn_info->client_addr);
+ a4.u4_port = s4->sin_port;
+ memcpy (&a4.ipv4_addr, &s4->sin_addr, sizeof (struct in_addr));
+ a = &a4;
+ a_len = sizeof (struct IPv4HttpAddress);
+ ats = plugin->env->get_address_type (plugin->env->cls, (const struct sockaddr *) s4, sizeof (struct sockaddr_in));
+ break;
+ case (AF_INET6):
+ s6 = ((struct sockaddr_in6 *) conn_info->client_addr);
+ a6.u6_port = s6->sin6_port;
+ memcpy (&a6.ipv6_addr, &s6->sin6_addr, sizeof (struct in6_addr));
+ a = &a6;
+ a_len = sizeof (struct IPv6HttpAddress);
+ ats = plugin->env->get_address_type (plugin->env->cls, (const struct sockaddr *) s6, sizeof (struct sockaddr_in6));
+ break;
+ default:
+ GNUNET_break (0);
+ goto error;
+ }
+ s = create_session (plugin, &target, a, a_len);
+ GNUNET_assert (NULL != s);
+ 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;
+
+ 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,
+ "Server: Invalid connection request\n");
+ return NULL;
+
+found:
+ sc = GNUNET_malloc (sizeof (struct ServerConnection));
+ sc->mhd_conn = mhd_connection;
+ sc->direction = direction;
+ 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);
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: Setting timeout for %p to %u sec.\n", sc, to);
+ MHD_set_connection_option (mhd_connection, MHD_CONNECTION_OPTION_TIMEOUT, to);
+
+ struct MHD_Daemon *d = NULL;
+
+ if (s->addrlen == sizeof (struct IPv6HttpAddress))
+ d = plugin->server_v6;
+ if (s->addrlen == sizeof (struct IPv4HttpAddress))
+ d = plugin->server_v4;
+
+ server_reschedule (plugin, d, GNUNET_NO);
+#endif
+ return sc;
+}
+
/**
* Process GET or PUT request received via MHD. For
* GET, queue response that will send back our pending
@@ -225,38 +599,302 @@ server_access_cb (void *cls, struct MHD_Connection *mhd_connection,
const char *upload_data, size_t * upload_data_size,
void **httpSessionCache)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "server: server_access_cb\n");
- return 0;
+ struct Plugin *plugin = cls;
+ struct ServerConnection *sc = *httpSessionCache;
+ struct Session *s;
+ struct MHD_Response *response;
+ int res = MHD_YES;
+
+ GNUNET_assert (cls != NULL);
+ if (sc == NULL)
+ {
+ /* new connection */
+ sc = server_lookup_serverconnection (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);
+ res = MHD_queue_response (mhd_connection, MHD_HTTP_NOT_FOUND, response);
+ MHD_destroy_response (response);
+ return res;
+ }
+ }
+ else
+ {
+ /* 'old' connection */
+ if (NULL == server_lookup_session (plugin, sc))
+ {
+ /* Session was already disconnected */
+ return 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!",
+ 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)
+ {
+ response =
+ MHD_create_response_from_callback (MHD_SIZE_UNKNOWN,
+ 32 * 1024,
+ &server_send_callback, s,
+ NULL);
+ MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
+ MHD_destroy_response (response);
+ return MHD_YES;
+ }
+ if (sc->direction == _RECEIVE)
+ {
+ if (*upload_data_size == 0)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: Peer `%s' PUT on address `%s' connected\n",
+ GNUNET_i2s (&s->target),
+ http_plugin_address_to_string (NULL, s->addr,
+ s->addrlen));
+ return MHD_YES;
+ }
+
+ /* Receiving data */
+ if ((*upload_data_size > 0))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: peer `%s' PUT on address `%s' received %u bytes\n",
+ GNUNET_i2s (&s->target),
+ http_plugin_address_to_string (NULL, s->addr,
+ s->addrlen),
+ *upload_data_size);
+ struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
+
+ if ((s->next_receive.abs_value <= now.abs_value))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: %p: PUT with %u bytes forwarded to MST\n", s,
+ *upload_data_size);
+ if (s->msg_tk == NULL)
+ {
+ s->msg_tk = GNUNET_SERVER_mst_create (&server_receive_mst_cb, s);
+ }
+ 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,
+ "Server: 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,
+ "Server: Setting timeout for %p to %u sec.\n", t,
+ to);
+ MHD_set_connection_option (t->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
+ to);
+ }
+ if (s->server_send != NULL)
+ {
+ t = s->server_send;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: Setting timeout for %p to %u sec.\n", t,
+ to);
+ MHD_set_connection_option (t->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
+ to);
+ }
+ struct MHD_Daemon *d = NULL;
+
+ if (s->addrlen == sizeof (struct IPv6HttpAddress))
+ d = plugin->server_v6;
+ if (s->addrlen == sizeof (struct IPv4HttpAddress))
+ d = plugin->server_v4;
+ server_reschedule (plugin, d, GNUNET_NO);
+#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);
+ }
+ return MHD_YES;
+ }
+ else
+ return MHD_NO;
+ }
+ return res;
}
static void
server_disconnect_cb (void *cls, struct MHD_Connection *connection,
void **httpSessionCache)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "server: server_disconnect_cb\n");
+ struct ServerConnection *sc = *httpSessionCache;
+ struct ServerConnection *tc = NULL;
+ struct Session *s = NULL;
+ struct Session *t = NULL;
+ struct Plugin *plugin = NULL;
+
+ if (sc == NULL)
+ return;
+
+ if (NULL == (s = server_lookup_session (p, sc)))
+ return;
+
+ GNUNET_assert (NULL != p);
+ if (GNUNET_NO == exist_session(p, s))
+ return;
+
+ plugin = s->plugin;
+ if (sc->direction == _SEND)
+ {
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: %p peer `%s' GET on address `%s' disconnected\n",
+ s->server_send, GNUNET_i2s (&s->target),
+ http_plugin_address_to_string (NULL, s->addr, s->addrlen));
+ s->server_send = NULL;
+ if (NULL != (tc = s->server_recv))
+ {
+ tc->disconnect = GNUNET_YES;
+ GNUNET_assert (NULL != tc->mhd_conn);
+#if MHD_VERSION >= 0x00090E00
+ MHD_set_connection_option (tc->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
+ 1);
+#endif
+ }
+ }
+ if (sc->direction == _RECEIVE)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: %p peer `%s' PUT on address `%s' disconnected\n",
+ s->server_recv, GNUNET_i2s (&s->target),
+ http_plugin_address_to_string (NULL, s->addr, s->addrlen));
+ s->server_recv = NULL;
+ if (NULL != (tc = s->server_send))
+ {
+ tc->disconnect = GNUNET_YES;
+ GNUNET_assert (NULL != tc->mhd_conn);
+#if MHD_VERSION >= 0x00090E00
+ MHD_set_connection_option (tc->mhd_conn, MHD_CONNECTION_OPTION_TIMEOUT,
+ 1);
+#endif
+ }
+ if (s->msg_tk != NULL)
+ {
+ GNUNET_SERVER_mst_destroy (s->msg_tk);
+ s->msg_tk = NULL;
+ }
+ }
+
+ GNUNET_free (sc);
+
+ t = plugin->server_semi_head;
+ while (t != NULL)
+ {
+ if (t == s)
+ {
+ GNUNET_CONTAINER_DLL_remove (plugin->server_semi_head,
+ plugin->server_semi_tail, s);
+ GNUNET_CONTAINER_DLL_insert (plugin->head, plugin->tail, s);
+ break;
+ }
+ t = t->next;
+ }
+ plugin->cur_connections--;
+
+ struct MHD_Daemon *d = NULL;
+
+ if (s->addrlen == sizeof (struct IPv6HttpAddress))
+ d = plugin->server_v6;
+ if (s->addrlen == sizeof (struct IPv4HttpAddress))
+ d = plugin->server_v4;
+ server_reschedule (plugin, d, GNUNET_NO);
+
+ if ((s->server_send == NULL) && (s->server_recv == NULL))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Server: peer `%s' on address `%s' disconnected\n",
+ GNUNET_i2s (&s->target),
+ http_plugin_address_to_string (NULL, s->addr, s->addrlen));
+ if (s->msg_tk != NULL)
+ {
+ GNUNET_SERVER_mst_destroy (s->msg_tk);
+ s->msg_tk = NULL;
+ }
+
+ GNUNET_assert (plugin->inbound_sessions > 0);
+ plugin->inbound_sessions --;
+ GNUNET_STATISTICS_set (plugin->env->stats,
+ "# HTTP inbound sessions",
+ plugin->inbound_sessions, GNUNET_NO);
+
+ notify_session_end (s->plugin, &s->target, s);
+ }
}
int
server_disconnect (struct Session *s)
{
+ if (s->server_send != NULL)
+ {
+ ((struct ServerConnection *) s->server_send)->disconnect = GNUNET_YES;
+ }
+ if (s->server_recv != NULL)
+ {
+ ((struct ServerConnection *) s->server_recv)->disconnect = GNUNET_YES;
+ }
+
return GNUNET_OK;
}
int
-server_send (struct Session *s, const char *msgbuf, size_t msgbuf_size)
+server_send (struct Session *s, struct HTTP_Message *msg)
{
+ GNUNET_CONTAINER_DLL_insert_tail (s->msg_head, s->msg_tail, msg);
+
+ 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);
+ }
+ else
+ return GNUNET_SYSERR;
return GNUNET_OK;
}
-/**
- * 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 Plugin *plugin, struct MHD_Daemon *daemon_handle);
+
/**
* Call MHD IPv4 to process pending requests and then go back
@@ -265,19 +903,22 @@ server_schedule (struct Plugin *plugin, struct MHD_Daemon *daemon_handle);
* @param tc task context
*/
static void
-server_v4_run (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+server_v4_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct Plugin *plugin = cls;
+
GNUNET_assert (cls != NULL);
plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
-
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
-
+#if 0
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Running IPv4 server\n");
+#endif
+ plugin->server_v4_immediately = GNUNET_NO;
GNUNET_assert (MHD_YES == MHD_run (plugin->server_v4));
- plugin->server_v4_task = server_schedule (plugin, plugin->server_v4);
+ server_reschedule (plugin, plugin->server_v4, GNUNET_NO);
}
@@ -288,19 +929,21 @@ server_v4_run (void *cls,
* @param tc task context
*/
static void
-server_v6_run (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+server_v6_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct Plugin *plugin = cls;
- GNUNET_assert (cls != NULL);
+ GNUNET_assert (cls != NULL);
plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
-
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
-
+#if 0
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Running IPv6 server\n");
+#endif
+ plugin->server_v6_immediately = GNUNET_NO;
GNUNET_assert (MHD_YES == MHD_run (plugin->server_v6));
- plugin->server_v6_task = server_schedule (plugin, plugin->server_v6);
+ server_reschedule (plugin, plugin->server_v6, GNUNET_NO);
}
/**
@@ -311,7 +954,8 @@ server_v6_run (void *cls,
* @return gnunet task identifier
*/
static GNUNET_SCHEDULER_TaskIdentifier
-server_schedule (struct Plugin *plugin, struct MHD_Daemon *daemon_handle)
+server_schedule (struct Plugin *plugin, struct MHD_Daemon *daemon_handle,
+ int now)
{
GNUNET_SCHEDULER_TaskIdentifier ret;
fd_set rs;
@@ -321,8 +965,10 @@ server_schedule (struct Plugin *plugin, struct MHD_Daemon *daemon_handle)
struct GNUNET_NETWORK_FDSet *wws;
struct GNUNET_NETWORK_FDSet *wes;
int max;
- unsigned long long timeout;
+ unsigned MHD_LONG_LONG timeout;
+ static unsigned long long last_timeout = 0;
int haveto;
+
struct GNUNET_TIME_Relative tv;
ret = GNUNET_SCHEDULER_NO_TASK;
@@ -336,12 +982,27 @@ server_schedule (struct Plugin *plugin, struct MHD_Daemon *daemon_handle)
GNUNET_assert (MHD_YES == MHD_get_fdset (daemon_handle, &rs, &ws, &es, &max));
haveto = MHD_get_timeout (daemon_handle, &timeout);
if (haveto == MHD_YES)
+ {
+ 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;
+ }
else
tv = GNUNET_TIME_UNIT_SECONDS;
+ /* Force immediate run, since we have outbound data to send */
+ if (now == GNUNET_YES)
+ tv = GNUNET_TIME_UNIT_MILLISECONDS;
GNUNET_NETWORK_fdset_copy_native (wrs, &rs, max + 1);
GNUNET_NETWORK_fdset_copy_native (wws, &ws, max + 1);
GNUNET_NETWORK_fdset_copy_native (wes, &es, max + 1);
+
if (daemon_handle == plugin->server_v4)
{
if (plugin->server_v4_task != GNUNET_SCHEDULER_NO_TASK)
@@ -349,10 +1010,13 @@ server_schedule (struct Plugin *plugin, struct MHD_Daemon *daemon_handle)
GNUNET_SCHEDULER_cancel (plugin->server_v4_task);
plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
}
-
+#if 0
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Scheduling IPv4 server task in %llu ms\n", tv);
+#endif
ret =
GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_SCHEDULER_NO_TASK, tv, wrs, wws,
+ tv, wrs, wws,
&server_v4_run, plugin);
}
if (daemon_handle == plugin->server_v6)
@@ -362,10 +1026,13 @@ server_schedule (struct Plugin *plugin, struct MHD_Daemon *daemon_handle)
GNUNET_SCHEDULER_cancel (plugin->server_v6_task);
plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
}
-
+#if 0
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Scheduling IPv6 server task in %llu ms\n", tv);
+#endif
ret =
GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_SCHEDULER_NO_TASK, tv, wrs, wws,
+ tv, wrs, wws,
&server_v6_run, plugin);
}
GNUNET_NETWORK_fdset_destroy (wrs);
@@ -378,16 +1045,32 @@ int
server_start (struct Plugin *plugin)
{
int res = GNUNET_OK;
+ unsigned int timeout;
+ p = plugin;
+ GNUNET_assert (NULL != plugin);
#if BUILD_HTTPS
res = server_load_certificate (plugin);
if (res == GNUNET_SYSERR)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "TABORT\n");
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
+ "Could not load or create server certificate! Loading plugin failed!\n");
return res;
}
#endif
+
+#if MHD_VERSION >= 0x00090E00
+ timeout = HTTP_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;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, plugin->name,
+ "MHD cannot set timeout per connection! Default time out %u sec.\n",
+ timeout);
+#endif
plugin->server_v4 = NULL;
if (plugin->ipv4 == GNUNET_YES)
{
@@ -401,9 +1084,9 @@ server_start (struct Plugin *plugin)
MHD_NO_FLAG, plugin->port,
&server_accept_cb, plugin,
&server_access_cb, plugin,
- //MHD_OPTION_SOCK_ADDR,
- //(struct sockaddr_in *)
- //plugin->bind4_address,
+ MHD_OPTION_SOCK_ADDR,
+ (struct sockaddr_in *)
+ plugin->server_addr_v4,
MHD_OPTION_CONNECTION_LIMIT,
(unsigned int)
plugin->max_connections,
@@ -416,7 +1099,7 @@ server_start (struct Plugin *plugin)
plugin->cert,
#endif
MHD_OPTION_CONNECTION_TIMEOUT,
- (unsigned int) 3,
+ timeout,
MHD_OPTION_CONNECTION_MEMORY_LIMIT,
(size_t) (2 *
GNUNET_SERVER_MAX_MESSAGE_SIZE),
@@ -424,8 +1107,6 @@ server_start (struct Plugin *plugin)
&server_disconnect_cb, plugin,
MHD_OPTION_EXTERNAL_LOGGER,
server_log, NULL, MHD_OPTION_END);
- if (plugin->server_v4 == NULL)
- res = GNUNET_SYSERR;
}
plugin->server_v6 = NULL;
if (plugin->ipv6 == GNUNET_YES)
@@ -440,8 +1121,9 @@ server_start (struct Plugin *plugin)
MHD_USE_IPv6, plugin->port,
&server_accept_cb, plugin,
&server_access_cb, plugin,
- //MHD_OPTION_SOCK_ADDR,
- //tmp,
+ MHD_OPTION_SOCK_ADDR,
+ (struct sockaddr_in6 *)
+ plugin->server_addr_v6,
MHD_OPTION_CONNECTION_LIMIT,
(unsigned int)
plugin->max_connections,
@@ -454,7 +1136,7 @@ server_start (struct Plugin *plugin)
plugin->cert,
#endif
MHD_OPTION_CONNECTION_TIMEOUT,
- (unsigned int) 3,
+ timeout,
MHD_OPTION_CONNECTION_MEMORY_LIMIT,
(size_t) (2 *
GNUNET_SERVER_MAX_MESSAGE_SIZE),
@@ -463,26 +1145,44 @@ server_start (struct Plugin *plugin)
MHD_OPTION_EXTERNAL_LOGGER,
server_log, NULL, MHD_OPTION_END);
- if (plugin->server_v6 == NULL)
- res = GNUNET_SYSERR;
}
- if (plugin->server_v4 != NULL)
- plugin->server_v4_task = server_schedule (plugin, plugin->server_v4);
- if (plugin->server_v6 != NULL)
- plugin->server_v6_task = server_schedule (plugin, plugin->server_v6);
+ if ((plugin->ipv4 == GNUNET_YES) && (plugin->server_v4 == NULL))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
+ "Failed to start %s IPv4 server component on port %u\n",
+ plugin->name, plugin->port);
+ return GNUNET_SYSERR;
+ }
+ server_reschedule (plugin, plugin->server_v4, GNUNET_NO);
-#if DEBUG_HTTP
+ if ((plugin->ipv6 == GNUNET_YES) && (plugin->server_v6 == NULL))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
+ "Failed to start %s IPv6 server component on port %u\n",
+ plugin->name, plugin->port);
+ return GNUNET_SYSERR;
+ }
+ server_reschedule (plugin, plugin->server_v6, GNUNET_NO);
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"%s server component started on port %u\n", plugin->name,
plugin->port);
-#endif
return res;
}
void
server_stop (struct Plugin *plugin)
{
+ struct Session *s = NULL;
+ struct Session *t = NULL;
+
+ struct MHD_Daemon *server_v4_tmp = plugin->server_v4;
+
+ plugin->server_v4 = 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_v4_task);
@@ -495,27 +1195,54 @@ server_stop (struct Plugin *plugin)
plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
}
- if (plugin->server_v4 != NULL)
+ if (server_v6_tmp != NULL)
+ {
+ MHD_stop_daemon (server_v4_tmp);
+ }
+ if (server_v6_tmp != NULL)
{
- MHD_stop_daemon (plugin->server_v4);
- plugin->server_v4 = NULL;
+ MHD_stop_daemon (server_v6_tmp);
}
- if (plugin->server_v6 != NULL)
+
+ /* cleaning up semi-sessions never propagated */
+ s = plugin->server_semi_head;
+ while (s != NULL)
{
- MHD_stop_daemon (plugin->server_v6);
- plugin->server_v6 = 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;
+ }
+
+ delete_session (s);
+ s = t;
}
+ p = NULL;
+
#if BUILD_HTTPS
GNUNET_free_non_null (plugin->crypto_init);
GNUNET_free_non_null (plugin->cert);
GNUNET_free_non_null (plugin->key);
#endif
-#if DEBUG_HTTP
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"%s server component stopped\n", plugin->name);
-#endif
}