/// <summary>
/// Grows the size of the request allocation tables by 33%.
///
/// This *MUST* be called with the reqlock held!
/// </summary>
/// <returns>ID to use for a new request.</returns>
/// <param name="curlen">Current length of the allocation tables.</param>
int GrowRequests (ref int curlen)
{
int newsize = curlen + curlen/3;
var new_request_ids = new int [newsize];
var new_requests = new Worker [newsize];
var new_buffers = new byte [newsize][];
request_ids.CopyTo (new_request_ids, 0);
Array.Clear (request_ids, 0, request_ids.Length);
request_ids = new_request_ids;
requests.CopyTo (new_requests, 0);
Array.Clear (requests, 0, requests.Length);
requests = new_requests;
buffers.CopyTo (new_buffers, 0);
Array.Clear (buffers, 0, buffers.Length);
buffers = new_buffers;
curlen = newsize;
return curlen + 1;
}
// Grows the size of the request allocation tables by 33%.
//
// Parameters:
// curlen - current length of the allocation tables.
// newid - ID to use for a new request.
//
// This *MUST* be called with the reqlock held!
//
void GrowRequests(ref int curlen, ref int newid)
{
int newsize = curlen + curlen/3;
int[] new_request_ids = new int [newsize];
Worker[] new_requests = new Worker [newsize];
byte[][] new_buffers = new byte [newsize][];
request_ids.CopyTo (new_request_ids, 0);
Array.Clear (request_ids, 0, request_ids.Length);
request_ids = new_request_ids;
requests.CopyTo (new_requests, 0);
Array.Clear (requests, 0, requests.Length);
requests = new_requests;
buffers.CopyTo (new_buffers, 0);
Array.Clear (buffers, 0, buffers.Length);
buffers = new_buffers;
newid = curlen + 1;
curlen = newsize;
}
public int RegisterRequest (Worker worker)
{
int result;
lock (reqlock) {
result = IdToIndex (GetNextRequestId ());
requests [result] = worker;
// Don't create a new array if one already exists.
byte[] a = buffers [result];
if (a == null)
buffers [result] = new byte [BUFFER_SIZE];
}
return request_ids [result];
}
/// <summary>
/// Registers a request with the current instance.
/// </summary>
/// <param name="worker">
/// A <see cref="Worker" /> object containing the request to
/// register.
/// </param>
/// <returns>
/// A <see cref="int" /> containing the ID of the request.
/// </returns>
public int RegisterRequest(Worker worker)
{
int result = -1;
lock (reqlock) {
result = IdToIndex (GetNextRequestId ());
requests [result] = worker;
// Don't create a new array if one already
// exists.
byte[] a = buffers [result];
if (a == null || a.Length != 16384)
buffers [result] = new byte [16384];
}
return request_ids [result];
}
