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https://gitlab.com/d3tn/ud3tn.git
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6e54d35fda
This adds the bundle sequence number as an argument to the bundle creation functions and passes a sequence number which increases when multiple bundles are generated by the application agent with the same creation timestamp. Fixes: #59 Signed-off-by: Felix Walter <felix.walter@d3tn.com>
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
#include "bundle6/create.h"
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#include "ud3tn/bundle.h"
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#include "ud3tn/common.h"
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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struct bundle *bundle6_create_local(
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void *payload, size_t payload_length,
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const char *source, const char *destination,
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uint64_t creation_time_s, uint64_t sequence_number, uint64_t lifetime_s,
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enum bundle_proc_flags proc_flags)
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{
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struct bundle *bundle = bundle_init();
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if (bundle == NULL) {
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free(payload);
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return NULL;
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}
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bundle->protocol_version = 0x6;
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bundle->proc_flags = proc_flags | BUNDLE_V6_FLAG_SINGLETON_ENDPOINT;
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// Creation time
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bundle->creation_timestamp_ms = creation_time_s * 1000;
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bundle->sequence_number = sequence_number;
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bundle->lifetime_ms = lifetime_s * 1000;
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// Create payload block and block list
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bundle->payload_block = bundle_block_create(BUNDLE_BLOCK_TYPE_PAYLOAD);
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bundle->payload_block->flags = BUNDLE_V6_BLOCK_FLAG_LAST_BLOCK;
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bundle->blocks = bundle_block_entry_create(bundle->payload_block);
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if (bundle->payload_block == NULL || bundle->blocks == NULL)
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goto fail;
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bundle->source = strdup(source);
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if (bundle->source == NULL || strchr(source, ':') == NULL)
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goto fail;
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bundle->destination = strdup(destination);
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if (bundle->destination == NULL || strchr(destination, ':') == NULL)
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goto fail;
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bundle->report_to = strdup("dtn:none");
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bundle->current_custodian = strdup("dtn:none");
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bundle->payload_block->data = payload;
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bundle->payload_block->length = payload_length;
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if (bundle_recalculate_header_length(bundle) == UD3TN_FAIL) {
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bundle->payload_block->data = NULL; // prevent double-free
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goto fail;
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}
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return bundle;
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fail:
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free(payload);
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bundle_free(bundle);
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return NULL;
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}
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