GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
*/
#include "platform.h"
-#include "gnunet_common.h"
-#include "gnunet_network_lib.h"
-#include "gnunet_scheduler_lib.h"
-#include "gnunet_server_lib.h"
-#include "gnunet_time_lib.h"
+#include "gnunet_util_lib.h"
+#define LOG(kind,...) GNUNET_log_from (kind, "util", __VA_ARGS__)
+
/**
* How much buffer space do we want to have at least
{
struct GNUNET_SERVER_TransmitContext *tc = cls;
size_t msize;
- if (buf == NULL)
- {
- GNUNET_SERVER_receive_done (tc->client, GNUNET_SYSERR);
- GNUNET_free_non_null (tc->buf);
- GNUNET_free (tc);
- return 0;
- }
+
+ if (NULL == buf)
+ {
+ GNUNET_SERVER_transmit_context_destroy (tc, GNUNET_SYSERR);
+ return 0;
+ }
if (tc->total - tc->off > size)
msize = size;
else
memcpy (buf, &tc->buf[tc->off], msize);
tc->off += msize;
if (tc->total == tc->off)
- {
- GNUNET_SERVER_receive_done (tc->client, GNUNET_OK);
- GNUNET_free_non_null (tc->buf);
- GNUNET_free (tc);
- }
+ {
+ GNUNET_SERVER_receive_done (tc->client, GNUNET_OK);
+ GNUNET_SERVER_client_drop (tc->client);
+ GNUNET_free_non_null (tc->buf);
+ GNUNET_free (tc);
+ }
else
+ {
+ if (NULL ==
+ GNUNET_SERVER_notify_transmit_ready (tc->client,
+ GNUNET_MIN (MIN_BLOCK_SIZE,
+ tc->total - tc->off),
+ GNUNET_TIME_absolute_get_remaining
+ (tc->timeout), &transmit_response,
+ tc))
{
- if (NULL == GNUNET_SERVER_notify_transmit_ready (tc->client,
- GNUNET_MIN
- (MIN_BLOCK_SIZE,
- tc->total - tc->off),
- GNUNET_TIME_absolute_get_remaining
- (tc->timeout),
- &transmit_response,
- tc))
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (tc->client, GNUNET_SYSERR);
- GNUNET_free_non_null (tc->buf);
- GNUNET_free (tc);
- }
+ GNUNET_break (0);
+ GNUNET_SERVER_transmit_context_destroy (tc, GNUNET_SYSERR);
}
+ }
return msize;
}
{
struct GNUNET_SERVER_TransmitContext *tc;
- GNUNET_assert (client != NULL);
+ GNUNET_assert (NULL != client);
tc = GNUNET_malloc (sizeof (struct GNUNET_SERVER_TransmitContext));
+ GNUNET_SERVER_client_keep (client);
tc->client = client;
return tc;
}
* @param type type of the message
*/
void
-GNUNET_SERVER_transmit_context_append (struct GNUNET_SERVER_TransmitContext
- *tc, const void *data, size_t length,
- uint16_t type)
+GNUNET_SERVER_transmit_context_append_data (struct GNUNET_SERVER_TransmitContext
+ *tc, const void *data,
+ size_t length, uint16_t type)
{
struct GNUNET_MessageHeader *msg;
size_t size;
}
+/**
+ * Append a message to the transmission context.
+ * All messages in the context will be sent by
+ * the transmit_context_run method.
+ *
+ * @param tc context to use
+ * @param msg message to append
+ */
+void
+GNUNET_SERVER_transmit_context_append_message (struct
+ GNUNET_SERVER_TransmitContext
+ *tc,
+ const struct GNUNET_MessageHeader
+ *msg)
+{
+ struct GNUNET_MessageHeader *m;
+ uint16_t size;
+
+ size = ntohs (msg->size);
+ tc->buf = GNUNET_realloc (tc->buf, tc->total + size);
+ m = (struct GNUNET_MessageHeader *) &tc->buf[tc->total];
+ tc->total += size;
+ memcpy (m, msg, size);
+}
+
+
/**
* Execute a transmission context. If there is
* an error in the transmission, the receive_done
GNUNET_MIN (MIN_BLOCK_SIZE,
tc->total), timeout,
&transmit_response, tc))
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (tc->client, GNUNET_SYSERR);
- GNUNET_free_non_null (tc->buf);
- GNUNET_free (tc);
- }
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_transmit_context_destroy (tc, GNUNET_SYSERR);
+ }
}
+
+/**
+ * Destroy a transmission context. This function must not be called
+ * after 'GNUNET_SERVER_transmit_context_run'.
+ *
+ * @param tc transmission context to destroy
+ * @param success code to give to 'GNUNET_SERVER_receive_done' for
+ * the client: GNUNET_OK to keep the connection open and
+ * continue to receive
+ * GNUNET_NO to close the connection (normal behavior)
+ * GNUNET_SYSERR to close the connection (signal
+ * serious error)
+ */
+void
+GNUNET_SERVER_transmit_context_destroy (struct GNUNET_SERVER_TransmitContext
+ *tc, int success)
+{
+ GNUNET_SERVER_receive_done (tc->client, success);
+ GNUNET_SERVER_client_drop (tc->client);
+ GNUNET_free_non_null (tc->buf);
+ GNUNET_free (tc);
+}
+
+
/* end of server_tc.c */