internal int memp_sync(DB_LSN lsn)
{
int ret;
ret = libdb_csharpPINVOKE.DB_ENV_memp_sync(swigCPtr, DB_LSN.getCPtr(lsn));
DatabaseException.ThrowException(ret);
return(ret);
}
internal int log_flush(DB_LSN lsn)
{
int ret;
ret = libdb_csharpPINVOKE.DB_ENV_log_flush(swigCPtr, DB_LSN.getCPtr(lsn));
DatabaseException.ThrowException(ret);
return(ret);
}
internal static DB_LSN getDB_LSN(LSN inp) {
if (inp == null)
return null;
DB_LSN ret = new DB_LSN();
ret.file = inp.LogFileNumber;
ret.offset = inp.Offset;
return ret;
}
internal int log_put(DB_LSN lsn, DatabaseEntry data, uint flags)
{
try {
int ret;
ret = libdb_csharpPINVOKE.DB_ENV_log_put(swigCPtr, DB_LSN.getCPtr(lsn), DBT.getCPtr(DatabaseEntry.getDBT(data)), flags);
DatabaseException.ThrowException(ret);
return(ret);
} finally {
GC.KeepAlive(data);
}
}
private static int doRepTransport(IntPtr envp,
IntPtr controlp, IntPtr recp, IntPtr lsnp, int envid, uint flags) {
DB_ENV dbenv = new DB_ENV(envp, false);
DBT control = new DBT(controlp, false);
DBT rec = new DBT(recp, false);
DB_LSN tmplsn = new DB_LSN(lsnp, false);
LSN dblsn = new LSN(tmplsn.file, tmplsn.offset);
return dbenv.api2_internal.transportHandler(
DatabaseEntry.fromDBT(control),
DatabaseEntry.fromDBT(rec), dblsn, envid, flags);
}
/// <summary>
/// Compare two LSNs.
/// </summary>
/// <param name="lsn1">The first LSN to compare</param>
/// <param name="lsn2">The second LSN to compare</param>
/// <returns>
/// 0 if they are equal, 1 if lsn1 is greater than lsn2, and -1 if lsn1
/// is less than lsn2.
/// </returns>
public static int Compare(LSN lsn1, LSN lsn2) {
DB_LSN a = new DB_LSN();
a.offset = lsn1.Offset;
a.file = lsn1.LogFileNumber;
DB_LSN b = new DB_LSN();
b.offset = lsn2.Offset;
b.file = lsn2.LogFileNumber;
return libdb_csharp.log_compare(a, b);
}
internal string log_file(DB_LSN dblsn) {
int err = 0;
int len = 100;
IntPtr namep;
while (true) {
namep = Marshal.AllocHGlobal(len);
err = log_file(dblsn, namep, (uint)len);
if (err != DbConstants.DB_BUFFER_SMALL)
break;
Marshal.FreeHGlobal(namep);
len *= 2;
}
DatabaseException.ThrowException(err);
string ret = Marshal.PtrToStringAnsi(namep);
Marshal.FreeHGlobal(namep);
return ret;
}
internal string log_file(DB_LSN dblsn)
{
int err = 0;
int len = 100;
IntPtr namep;
while (true)
{
namep = Marshal.AllocHGlobal(len);
err = log_file(dblsn, namep, (uint)len);
if (err != DbConstants.DB_BUFFER_SMALL)
{
break;
}
Marshal.FreeHGlobal(namep);
len *= 2;
}
DatabaseException.ThrowException(err);
string ret = Marshal.PtrToStringAnsi(namep);
Marshal.FreeHGlobal(namep);
return(ret);
}
internal int memp_sync(DB_LSN lsn)
{
int ret;
ret = libdb_csharpPINVOKE.DB_ENV_memp_sync(swigCPtr, DB_LSN.getCPtr(lsn));
DatabaseException.ThrowException(ret);
return ret;
}
internal int log_put(DB_LSN lsn, DatabaseEntry data, uint flags)
{
try {
int ret;
ret = libdb_csharpPINVOKE.DB_ENV_log_put(swigCPtr, DB_LSN.getCPtr(lsn), DBT.getCPtr(DatabaseEntry.getDBT(data)), flags);
DatabaseException.ThrowException(ret);
return ret;
} finally {
GC.KeepAlive(data);
}
}
internal int log_flush(DB_LSN lsn)
{
int ret;
ret = libdb_csharpPINVOKE.DB_ENV_log_flush(swigCPtr, DB_LSN.getCPtr(lsn));
DatabaseException.ThrowException(ret);
return ret;
}
private int log_file(DB_LSN lsn, IntPtr namep, uint len)
{
return libdb_csharpPINVOKE.DB_ENV_log_file(swigCPtr, DB_LSN.getCPtr(lsn), namep, len);
}
internal int rep_process_message(DatabaseEntry control, DatabaseEntry rec, int envid, DB_LSN ret_lsnp)
{
try {
int ret;
ret = libdb_csharpPINVOKE.DB_ENV_rep_process_message(swigCPtr, DBT.getCPtr(DatabaseEntry.getDBT(control)), DBT.getCPtr(DatabaseEntry.getDBT(rec)), envid, DB_LSN.getCPtr(ret_lsnp));
DatabaseException.ThrowException(ret);
return ret;
} finally {
GC.KeepAlive(control);
GC.KeepAlive(rec);
}
}
/// <summary>
/// Process an incoming replication message sent by a member of the
/// replication group to the local database environment.
/// </summary>
/// <remarks>
/// <para>
/// RepProcessMessage is not called by most replication applications. It
/// should only be called by applications implementing their own network
/// transport layer, explicitly holding replication group elections and
/// handling replication messages outside of the replication manager
/// framework.
/// </para>
/// <para>
/// For implementation reasons, all incoming replication messages must
/// be processed using the same <see cref="DatabaseEnvironment"/>
/// object. It is not required that a single thread of control process
/// all messages, only that all threads of control processing messages
/// use the same object.
/// </para>
/// <para>
/// Before calling this method, the <see cref="RepTransport"/> delegate
/// must already have been configured to send replication messages.
/// </para>
/// </remarks>
/// <param name="control">
/// A copy of the control parameter specified by Berkeley DB on the
/// sending environment.
/// </param>
/// <param name="rec">
/// A copy of the rec parameter specified by Berkeley DB on the sending
/// environment.
/// </param>
/// <param name="envid">
/// The local identifier that corresponds to the environment that sent
/// the message to be processed (see Replication environment IDs in the
/// Programmer's Reference Guide for more information)..
/// </param>
/// <returns>The result of processing a message</returns>
public RepProcMsgResult RepProcessMessage(
DatabaseEntry control, DatabaseEntry rec, int envid)
{
DB_LSN dblsn = new DB_LSN();
int ret = dbenv.rep_process_message(control,
rec, envid, dblsn);
LSN lsnp = new LSN(dblsn.file, dblsn.offset);
RepProcMsgResult result = new RepProcMsgResult(ret, lsnp);
if (result.Result == RepProcMsgResult.ProcMsgResult.ERROR)
DatabaseException.ThrowException(ret);
return result;
}
internal static HandleRef getCPtr(DB_LSN obj)
{
return((obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr);
}
private int log_file(DB_LSN lsn, IntPtr namep, uint len)
{
return(libdb_csharpPINVOKE.DB_ENV_log_file(swigCPtr, DB_LSN.getCPtr(lsn), namep, len));
}
internal LSN(DB_LSN dblsn) {
LogFileNumber = dblsn.file;
Offset = dblsn.offset;
}
internal static global::System.Runtime.InteropServices.HandleRef getCPtr(DB_LSN obj)
{
return((obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr);
}
internal static int log_compare(DB_LSN lsn0, DB_LSN lsn1)
{
return libdb_csharpPINVOKE.log_compare(DB_LSN.getCPtr(lsn0), DB_LSN.getCPtr(lsn1));
}
internal static HandleRef getCPtr(DB_LSN obj) {
return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
}
/// <summary>
/// Append a record to the log
/// </summary>
/// <param name="dbt">The record to write to the log.</param>
/// <param name="flush">
/// If true, the log is forced to disk after this record is written,
/// guaranteeing that all records with LSN values less than or equal to
/// the one being "put" are on disk before LogWrite returns.
/// </param>
/// <returns>The LSN of the written record</returns>
public LSN LogWrite(DatabaseEntry dbt, bool flush)
{
DB_LSN lsn = new DB_LSN();
dbenv.log_put(lsn,
dbt, flush ? DbConstants.DB_FLUSH : 0);
return new LSN(lsn.file, lsn.offset);
}
internal static int log_compare(DB_LSN lsn0, DB_LSN lsn1)
{
return(libdb_csharpPINVOKE.log_compare(DB_LSN.getCPtr(lsn0), DB_LSN.getCPtr(lsn1)));
}
internal int rep_process_message(DatabaseEntry control, DatabaseEntry rec, int envid, DB_LSN ret_lsnp)
{
try {
int ret;
ret = libdb_csharpPINVOKE.DB_ENV_rep_process_message(swigCPtr, DBT.getCPtr(DatabaseEntry.getDBT(control)), DBT.getCPtr(DatabaseEntry.getDBT(rec)), envid, DB_LSN.getCPtr(ret_lsnp));
DatabaseException.ThrowException(ret);
return(ret);
} finally {
GC.KeepAlive(control);
GC.KeepAlive(rec);
}
}
