file_transfer.proto

import "goby/common/protobuf/option_extensions.proto";
import "dccl/option_extensions.proto";

package goby.acomms.protobuf;

message FileFragment
{
    option (dccl.msg).id = 7;
    option (dccl.msg).max_bytes = 64;

    required int32 src = 1 [
        (dccl.field).min = -1,
        (dccl.field).max = 62,
        (dccl.field).in_head = true
    ];
    required int32 dest = 2 [
        (dccl.field).min = -1,
        (dccl.field).max = 62,
        (dccl.field).in_head = true
    ];

    required int32 fragment = 3 [
        (dccl.field).min = 0,
        (dccl.field).max = 18079
    ];  // max file: 1048576 / data length: 58

    required bool is_last_fragment = 4;

    required int32 num_bytes = 5 [(dccl.field).min = 1, (dccl.field).max = 58];
    required bytes data = 6 [(dccl.field).max_length = 58];
}

message TransferRequest
{
    option (dccl.msg).id = 8;
    option (dccl.msg).max_bytes = 64;
    required int32 src = 1 [
        (dccl.field).min = -1,
        (dccl.field).max = 62,
        (dccl.field).in_head = true
    ];
    required int32 dest = 2 [
        (dccl.field).min = -1,
        (dccl.field).max = 62,
        (dccl.field).in_head = true
    ];

    enum PushPull
    {
        PUSH = 1;
        PULL = 2;
    }
    required PushPull push_or_pull = 3 [(dccl.field).in_head = true];
    required string file = 10 [(dccl.field).max_length = 60];
}

message TransferResponse
{
    option (dccl.msg).id = 9;
    option (dccl.msg).max_bytes = 64;

    required int32 src = 1 [
        (dccl.field).min = -1,
        (dccl.field).max = 62,
        (dccl.field).in_head = true
    ];
    required int32 dest = 2 [
        (dccl.field).min = -1,
        (dccl.field).max = 62,
        (dccl.field).in_head = true
    ];

    required bool transfer_successful = 3;

    enum ErrorCode
    {
        COULD_NOT_READ_FILE = 1;
        FILE_TOO_LARGE = 2;
        TIMEOUT = 3;
        COULD_NOT_WRITE_FILE = 4;
        ERROR_WHILE_READING = 5;
        OTHER_ERROR = 6;
    }
    optional ErrorCode error = 4;

    optional int32 num_fragments = 5 [
        (dccl.field).min = 0,
        (dccl.field).max = 18079
    ];  // max file: 1048576 / data length: 58
}