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55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
#ifndef PROTOCOL_H
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#define PROTOCOL_H
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#include "data.h"
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#include <stdbool.h>
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#include <stddef.h>
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/* Maximum allowed string size for receive_str (64 KB) */
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#define MAX_STRING_SIZE (64 * 1024)
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/* Maximum allowed data payload size for receive_data (100 MB) */
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#define MAX_DATA_PAYLOAD_SIZE (100ULL * 1024 * 1024)
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/* Maximum chunk size (64 MB) — prevents unbounded allocation from the wire */
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#define MAX_CHUNK_SIZE (64ULL * 1024 * 1024)
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#define MAX_MANIFEST_ENTRIES (1024 * 1024)
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/* Aggregate bytes retained by one received deletion manifest. */
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#define MAX_MANIFEST_BYTES (16ULL * 1024 * 1024)
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typedef struct ssl_st SSL;
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typedef int Status;
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enum NET_STATUS {
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STATUS_OK,
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STATUS_ERROR,
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STATUS_FINISHED,
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STATUS_NEXT,
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STATUS_CHUNK,
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STATUS_MANIFEST,
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STATUS_CHECK,
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STATUS_DELTA_SIGNATURE,
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STATUS_DELTA_DATA,
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STATUS_KEEPALIVE,
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STATUS_ABORT,
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STATUS_CHECK_BATCH
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};
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void io_set_fds(int read_fd, int write_fd);
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void io_set_bwlimit(unsigned long long bytes_per_sec);
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void io_set_ssl(SSL* ssl);
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SSL* io_get_ssl(void);
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bool send_n_data(int file_descriptor, const void* data, size_t data_size);
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bool receive_n_data(int file_descriptor, void* data, size_t data_size);
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bool send_str(int file_descriptor, const char* data);
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char* receive_str(int file_descriptor);
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bool send_data(int file_descriptor, const Data* data);
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Data* receive_data(int file_descriptor);
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bool send_int(int file_descriptor, int data);
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bool receive_int(int file_descriptor, int* data);
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bool send_status(int file_descriptor, Status status);
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bool receive_status(int file_descriptor, Status* status);
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#endif
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