//_________________________________________________________
_CString::_CString (unsigned long sL, bool flag)
{
if (flag) {
sLength = 0;
if (sL<storageIncrement) {
sL = storageIncrement;
}
sData = (char*)MemAllocate (sL*sizeof (char));
allocatedSpace = sL;
if (!sData) {
warnError( -108);
}
} else {
allocatedSpace = 0;
sLength = sL;
sData = (char*)MemAllocate (sL+1);
if (sData) {
memset (sData,0,sL+1);
} else {
sLength = 0;
isError(0);
}
}
compressionType = NOCOMPRESSION;
}
//Data constructor (1 member list)
_SimpleList::_SimpleList (long br)
{
lLength = 1;
laLength = MEMORYSTEP;
lData = (long*)MemAllocate (laLength * sizeof(Ptr));
((long*)lData)[0]= br;
}
//Length constructor
_SimpleList::_SimpleList (unsigned long l)
{
lLength = 0;
laLength = (l/MEMORYSTEP + 1)*MEMORYSTEP;
lData = (long*)MemAllocate (laLength * sizeof(Ptr));
memset (lData,0,laLength * sizeof(Ptr));
}
static INLINE LOG_ENTRY *GetSpareEntry(VOID)
{
if (logStatus != LOG_STATUS_ACTIVE) {
// Logging system must be active
return NULL;
}
return MemAllocate(sizeof(LOG_ENTRY));
}
static INT UserOpen(CHAR *userName, USERFILE *userFile)
{
DB_CONTEXT *db;
DWORD result;
MOD_CONTEXT *mod;
TRACE("userName=%s userFile=%p", userName, userFile);
if (!DbAcquire(&db)) {
// Return UM_DELETED instead of UM_ERROR to work around a bug in ioFTPD.
return UM_DELETED;
}
// Module context is required for all file operations
mod = MemAllocate(sizeof(MOD_CONTEXT));
if (mod == NULL) {
result = ERROR_NOT_ENOUGH_MEMORY;
LOG_ERROR("Unable to allocate memory for module context.");
} else {
// Initialize MOD_CONTEXT structure
mod->file = INVALID_HANDLE_VALUE;
userFile->lpInternal = mod;
// Open user file
result = FileUserOpen(userFile->Uid, userFile);
if (result != ERROR_SUCCESS) {
LOG_WARN("Unable to open user file for \"%s\" (error %lu).", userName, result);
} else {
// Read database record
result = DbUserOpen(db, userName, userFile);
if (result != ERROR_SUCCESS) {
LOG_WARN("Unable to open user database record for \"%s\" (error %lu).", userName, result);
// Clean-up user file
FileUserClose(userFile);
}
}
// Free module context if the file/database open failed
if (result != ERROR_SUCCESS) {
MemFree(mod);
}
}
DbRelease(db);
//
// Return UM_DELETED instead of UM_ERROR to work around a bug in ioFTPD. If
// UM_ERROR is returned, ioFTPD frees part of the USERFILE structure and
// may crash later on (e.g. if someone issues "SITE USERS").
//
SetLastError(result);
return (result == ERROR_SUCCESS) ? UM_SUCCESS : UM_DELETED;
}
//_________________________________________________________
_THyPhyMatrix::_THyPhyMatrix(const long r, const long c, const double* d)
{
checkPointer (mData = (double*)MemAllocate (r*c*sizeof(double)));
mRows = r;
mCols = c;
for (long i = 0; i < r*c; i++,d++) {
mData[i] = *d;
}
}
//Assignment operator
_SimpleList _SimpleList::operator = (_SimpleList l)
{
Clear();
lLength = l.lLength;
laLength = l.laLength;
if (laLength) {
checkPointer (lData = (long*)MemAllocate (laLength*sizeof (Ptr)));
if (lLength) {
memcpy (lData,l.lData,lLength*sizeof (Ptr));
}
}
return *this;
}
//_________________________________________________________
_THyPhyString::_THyPhyString(const char* characters, long length)
{
if (characters) {
if (length == 0) {
while (characters[length++]) ;
length --;
}
checkPointer (sData = (char*)MemAllocate (length+1));
memcpy (sData,characters,length+1);
} else {
sData = nil;
}
sLength = length;
}
bool_t
PushCXT (
peval_t pv
)
{
HCXTL nhCxtl;
PCXTL npCxtl;
uint lenIn;
uint lenOut;
DASSERT (pCxtl->cHCS <= mCxtl);
if (mCxtl < pCxtl->cHCS) {
// this is a catatrosphic error
return (FALSE);
}
if (mCxtl == pCxtl->cHCS) {
// grow CXT list
lenIn = sizeof (CXTL) + mCxtl * sizeof (HCS);
lenOut = sizeof (CXTL) + (mCxtl + 5) * sizeof (HCS);
if ((nhCxtl = MemAllocate (lenOut)) == 0) {
return (FALSE);
}
npCxtl = (PCXTL) MemLock (nhCxtl);
memcpy (npCxtl, pCxtl, lenIn);
mCxtl += 5;
MemUnLock (hCxtl);
MHMemFree (hCxtl);
hCxtl = nhCxtl;
pCxtl = npCxtl;
}
// in case of a constant we will return only the context information.
// anything more than that doesn't make sense and since we
// need to get context only information in the case of bp {..}.line
// we needed to make this change.
pCxtl->rgHCS[pCxtl->cHCS].hSym = pv->hSym;
// Change for Dolphin bp functionality:
// if pv->CXTT is non-zero, prefer it over *pCxt:
// pv->CXTT is more specific, as it contains the exact
// context where a symbol was found by SearchSym, while
// pCxt just contains a context from which the symbol is
// visible
pCxtl->rgHCS[pCxtl->cHCS].CXT = (pv->CXTT.hMod) ? pv->CXTT : *pCxt;
pCxtl->cHCS++;
return (TRUE);
}
static DWORD GroupEventCreate(CHAR *groupName, GROUPFILE *groupFile)
{
MOD_CONTEXT *mod;
DWORD result;
INT32 groupId;
ASSERT(groupName != NULL);
ASSERT(groupFile != NULL);
// Module context is required for all file operations
mod = MemAllocate(sizeof(MOD_CONTEXT));
if (mod == NULL) {
result = ERROR_NOT_ENOUGH_MEMORY;
TRACE("Unable to allocate module context.");
} else {
// Initialize MOD_CONTEXT structure
mod->file = INVALID_HANDLE_VALUE;
groupFile->lpInternal = mod;
// Register group
result = GroupRegister(groupName, groupFile, &groupId);
if (result != ERROR_SUCCESS) {
TRACE("Unable to register group (error %lu).", result);
} else {
// Create group file
result = FileGroupCreate(groupId, groupFile);
if (result != ERROR_SUCCESS) {
TRACE("Unable to create group file (error %lu).", result);
// Creation failed, clean-up the group file
FileGroupDelete(groupId);
FileGroupClose(groupFile);
GroupUnregister(groupName);
}
}
if (result != ERROR_SUCCESS) {
// Free module context after all file operations
MemFree(mod);
}
}
return result;
}
static DWORD UserEventCreate(CHAR *userName, USERFILE *userFile)
{
MOD_CONTEXT *mod;
DWORD result;
INT32 userId;
ASSERT(userName != NULL);
ASSERT(userFile != NULL);
// Module context is required for all file operations
mod = MemAllocate(sizeof(MOD_CONTEXT));
if (mod == NULL) {
result = ERROR_NOT_ENOUGH_MEMORY;
LOG_ERROR("Unable to allocate memory for module context.");
} else {
// Initialize MOD_CONTEXT structure
mod->file = INVALID_HANDLE_VALUE;
userFile->lpInternal = mod;
// Register user
result = UserRegister(userName, userFile, &userId);
if (result != ERROR_SUCCESS) {
TRACE("Unable to register user (error %lu).", result);
} else {
// Create user file
result = FileUserCreate(userId, userFile);
if (result != ERROR_SUCCESS) {
TRACE("Unable to create user file (error %lu).", result);
// Creation failed, clean-up the user file
FileUserDelete(userId);
FileUserClose(userFile);
UserUnregister(userName);
}
}
if (result != ERROR_SUCCESS) {
// Free module context after all file operations
MemFree(mod);
}
}
return result;
}
ulong
DoGetCXTL (
PHTM phTM,
PHCXTL phCXTL
)
{
ulong retval = EECATASTROPHIC;
// lock the expression state structure and copy the context package
DASSERT (*phTM != 0);
if (*phTM != 0) {
pExState = (pexstate_t) MemLock (*phTM);
if ((pExState->state.parse_ok == TRUE) &&
(pExState->state.bind_ok == TRUE)) {
if ((hCxtl = MemAllocate (sizeof (CXTL) + 5 * sizeof (HCS))) == 0) {
pExState->err_num = ERR_NOMEMORY;
MemUnLock (*phTM);
*phCXTL = hCxtl;
return (EEGENERAL);
} else {
pCxtl = (PCXTL) MemLock (hCxtl);
mCxtl = 5;
pCxtl->CXT = pExState->cxt;
pCxtl->cHCS = 0;
}
pTree = (pstree_t) MemLock (pExState->hETree);
if (GetCXTL ((pnode_t)((bnode_t)pTree->start_node))) {
retval = EENOERROR;
} else {
retval = EEGENERAL;
}
*phCXTL = hCxtl;
MemUnLock (hCxtl);
MemUnLock (pExState->hETree);
}
MemUnLock (*phTM);
}
return (retval);
}
static INT32 UserCreate(CHAR *userName)
{
DB_CONTEXT *db;
MOD_CONTEXT *mod;
DWORD result;
INT32 userId = -1;
USERFILE userFile;
TRACE("userName=%s", userName);
if (!DbAcquire(&db)) {
return userId;
}
// Module context is required for all file operations
mod = MemAllocate(sizeof(MOD_CONTEXT));
if (mod == NULL) {
result = ERROR_NOT_ENOUGH_MEMORY;
LOG_ERROR("Unable to allocate memory for module context.");
} else {
// Initialize MOD_CONTEXT structure
mod->file = INVALID_HANDLE_VALUE;
// Initialize USERFILE structure
ZeroMemory(&userFile, sizeof(USERFILE));
userFile.Groups[0] = NOGROUP_ID;
userFile.Groups[1] = -1;
userFile.AdminGroups[0] = -1;
userFile.lpInternal = mod;
// Read "Default.User" file
result = FileUserDefault(&userFile);
if (result != ERROR_SUCCESS) {
LOG_WARN("Unable to read \"Default.User\" file (error %lu).", result);
}
// Register user
result = UserRegister(userName, &userFile, &userId);
if (result != ERROR_SUCCESS) {
TRACE("Unable to register user (error %lu).", result);
} else {
// Create user file
result = FileUserCreate(userId, &userFile);
if (result != ERROR_SUCCESS) {
LOG_WARN("Unable to create user file (error %lu).", result);
} else {
// Create database record
result = DbUserCreate(db, userName, &userFile);
if (result != ERROR_SUCCESS) {
LOG_WARN("Unable to create database record (error %lu).", result);
}
}
// If the file or database creation failed, clean-up the user file
if (result != ERROR_SUCCESS) {
FileUserDelete(userId);
FileUserClose(&userFile);
UserUnregister(userName);
}
}
if (result != ERROR_SUCCESS) {
// Free module context after all file operations
MemFree(mod);
// Indicate an error occured by returning an invalid user ID
userId = -1;
}
}
DbRelease(db);
SetLastError(result);
return userId;
}
/*++
ConnectionOpen
Opens a server connection.
Arguments:
context - Opaque context passed to <PoolCreate>.
data - Pointer to a pointer that receives the DB_CONTEXT structure.
Return Values:
If the function succeeds, the return value is nonzero (true).
If the function fails, the return value is zero (false).
--*/
static BOOL FCALL ConnectionOpen(VOID *context, VOID **data)
{
DB_CONTEXT *db;
DB_CONFIG_SERVER *server;
DWORD error;
DWORD i;
INT attempt;
INT attemptMax;
LONG serverIndex;
LONG serverNextIndex;
MYSQL *connection;
my_bool optReconnect;
UINT optTimeout;
UNREFERENCED_PARAMETER(context);
ASSERT(data != NULL);
TRACE("context=%p data=%p", context, data);
db = MemAllocate(sizeof(DB_CONTEXT));
if (db == NULL) {
LOG_ERROR("Unable to allocate memory for database context.");
error = ERROR_NOT_ENOUGH_MEMORY;
goto failed;
}
ZeroMemory(db, sizeof(DB_CONTEXT));
//
// Have the MySQL client library allocate the handle structure for us. This is
// in case the MYSQL structure changes in a future version of the client library.
//
db->handle = mysql_init(NULL);
if (db->handle == NULL) {
LOG_ERROR("Unable to allocate memory for MySQL handle.");
error = ERROR_NOT_ENOUGH_MEMORY;
goto failed;
}
// If the maximum number of attempts were not specified, try all servers
if (dbConfigGlobal.connAttempts > 0) {
attemptMax = dbConfigGlobal.connAttempts;
} else {
attemptMax = dbConfigServerCount;
}
for (attempt = 0; attempt < attemptMax; attempt++) {
// Use the most recent server for the connection attempt
serverIndex = dbIndex;
server = &dbConfigServers[serverIndex];
TRACE("Connecting to server #%d [%s] on attempt %lu/%lu.",
serverIndex, server->name, attempt+1, attemptMax);
// Set connection options
optTimeout = (UINT)dbConfigGlobal.connTimeout;
if (mysql_options(db->handle, MYSQL_OPT_CONNECT_TIMEOUT, &optTimeout) != 0) {
TRACE("Failed to set connection timeout option.");
}
optReconnect = FALSE;
if (mysql_options(db->handle, MYSQL_OPT_RECONNECT, &optReconnect) != 0) {
TRACE("Failed to set reconnection option.");
}
if (server->compression) {
if (mysql_options(db->handle, MYSQL_OPT_COMPRESS, 0) != 0) {
TRACE("Failed to set compression option.");
}
}
if (server->sslEnable) {
//
// This function always returns 0. If the SSL setup is incorrect,
// the call to mysql_real_connect() will return an error.
//
mysql_ssl_set(db->handle, server->sslKeyFile, server->sslCertFile,
server->sslCAFile, server->sslCAPath, server->sslCiphers);
}
// Attempt connection with server
connection = mysql_real_connect(db->handle,
server->host, server->user, server->password,
server->database, server->port, NULL, CLIENT_INTERACTIVE);
if (connection == NULL) {
LOG_ERROR("Unable to connect to server [%s]: %s",
server->name, mysql_error(db->handle));
} else if (mysql_get_server_version(db->handle) < 50019) {
LOG_ERROR("Unsupported version of MySQL Server [%s]: running v%s, must be v5.0.19 or newer.",
server->name, mysql_get_server_info(db->handle));
} else {
// Pointer values should be the same as from mysql_init()
ASSERT(connection == db->handle);
// Allocate pre-compiled statement structures
for (i = 0; i < ELEMENT_COUNT(db->stmt); i++) {
db->stmt[i] = mysql_stmt_init(db->handle);
if (db->stmt[i] == NULL) {
LOG_ERROR("Unable to allocate memory for statement structure.");
error = ERROR_NOT_ENOUGH_MEMORY;
goto failed;
}
}
// Successfully connected, set the global server index
InterlockedExchange(&dbIndex, serverIndex);
// Update context's server index and time stamps
db->index = serverIndex;
GetSystemTimeAsFileTime(&db->created.fileTime);
db->used.value = db->created.value;
LOG_INFO("Connected to %s [%s], running MySQL Server v%s.",
mysql_get_host_info(db->handle), server->name,
mysql_get_server_info(db->handle));
*data = db;
return TRUE;
}
// Unsuccessful connection, continue to the next server
serverNextIndex = serverIndex + 1;
if (serverNextIndex >= (LONG)dbConfigServerCount) {
serverNextIndex = 0;
}
//
// Compare the current server index before swapping values in the
// event that another thread has already changed the index.
//
InterlockedCompareExchange(&dbIndex, serverNextIndex, serverIndex);
}
// Unable to connect to any servers
error = ERROR_CONNECTION_REFUSED;
failed:
if (db != NULL) {
ConnectionClose(NULL, db);
}
SetLastError(error);
return FALSE;
}
static INT GroupOpen(CHAR *groupName, GROUPFILE *groupFile)
{
DB_CONTEXT *db;
DWORD result;
MOD_CONTEXT *mod;
ASSERT(groupName != NULL);
ASSERT(groupFile != NULL);
TRACE("groupName=%s groupFile=%p", groupName, groupFile);
if (!DbAcquire(&db)) {
// Return GM_DELETED instead of GM_ERROR to work around a bug in ioFTPD.
return GM_DELETED;
}
// Module context is required for all file operations
mod = MemAllocate(sizeof(MOD_CONTEXT));
if (mod == NULL) {
result = ERROR_NOT_ENOUGH_MEMORY;
LOG_ERROR("Unable to allocate memory for module context.");
} else {
// Initialize MOD_CONTEXT structure
mod->file = INVALID_HANDLE_VALUE;
groupFile->lpInternal = mod;
// Open group file
result = FileGroupOpen(groupFile->Gid, groupFile);
if (result != ERROR_SUCCESS) {
LOG_WARN("Unable to open group file for \"%s\" (error %lu).", groupName, result);
} else {
// Read database record
result = DbGroupOpen(db, groupName, groupFile);
if (result == ERROR_SUCCESS) {
// Make sure we haven't wiped out the module context pointer
ASSERT(groupFile->lpInternal != NULL);
} else {
LOG_WARN("Unable to open group database record for \"%s\" (error %lu).", groupName, result);
// Clean-up group file
FileGroupClose(groupFile);
}
}
// Free module context if the file/database open failed
if (result != ERROR_SUCCESS) {
MemFree(mod);
}
}
DbRelease(db);
//
// Return GM_DELETED instead of GM_ERROR to work around a bug in ioFTPD. If
// GM_ERROR is returned, ioFTPD frees part of the GROUPFILE structure and
// may crash later on (e.g. if someone issues "SITE GROUPS").
//
SetLastError(result);
return (result == ERROR_SUCCESS) ? GM_SUCCESS : GM_DELETED;
}
static INT32 GroupCreate(CHAR *groupName)
{
DB_CONTEXT *db;
MOD_CONTEXT *mod;
DWORD result;
INT32 groupId = -1;
GROUPFILE groupFile;
ASSERT(groupName != NULL);
TRACE("groupName=%s", groupName);
if (!DbAcquire(&db)) {
return groupId;
}
// Module context is required for all file operations
mod = MemAllocate(sizeof(MOD_CONTEXT));
if (mod == NULL) {
result = ERROR_NOT_ENOUGH_MEMORY;
LOG_ERROR("Unable to allocate memory for module context.");
} else {
// Initialize MOD_CONTEXT structure
mod->file = INVALID_HANDLE_VALUE;
// Initialize GROUPFILE structure
ZeroMemory(&groupFile, sizeof(GROUPFILE));
groupFile.lpInternal = mod;
// Read "Default.Group" file
result = FileGroupDefault(&groupFile);
if (result != ERROR_SUCCESS) {
LOG_WARN("Unable to read \"Default.Group\" file (error %lu).", result);
}
// Register group
result = GroupRegister(groupName, &groupFile, &groupId);
if (result != ERROR_SUCCESS) {
TRACE("Unable to register group (error %lu).", result);
} else {
// Create group file
result = FileGroupCreate(groupId, &groupFile);
if (result != ERROR_SUCCESS) {
LOG_WARN("Unable to create group file (error %lu).", result);
} else {
// Create database record
result = DbGroupCreate(db, groupName, &groupFile);
if (result != ERROR_SUCCESS) {
LOG_WARN("Unable to create database record (error %lu).", result);
}
}
// Make sure we haven't wiped out the module context pointer
ASSERT(groupFile.lpInternal != NULL);
// If the file or database creation failed, clean-up the group file
if (result != ERROR_SUCCESS) {
FileGroupDelete(groupId);
FileGroupClose(&groupFile);
GroupUnregister(groupName);
}
}
if (result != ERROR_SUCCESS) {
// Free module context after all file operations
MemFree(mod);
// Indicate an error occured by returning an invalid group ID
groupId = -1;
}
}
DbRelease(db);
SetLastError(result);
return groupId;
}
EESTATUS
GetExpr (
uint radix,
PEEHSTR phStr,
ulong *pEnd
)
{
EESTATUS retval = EENOMEMORY;
char *pStr;
char *pExprStr;
HDEP hExprStr;
int len;
ulong strIndex;
UINT nLen;
Unreferenced( radix );
//M00KLUDGE - this routine will eventuall have to walk the bound tree
// and format the expression because of ambiguous expressions
// use the saved original string if there is one
// (in case the expression has been modified)
if (pExState->hExStrSav) {
hExprStr = pExState->hExStrSav;
len = pExState->ExLenSav;
strIndex = pExState->strIndexSav;
} else {
hExprStr = pExState->hExStr;
len = pExState->ExLen;
strIndex = pExState->strIndex;
}
pExprStr = (char *) MemLock (hExprStr);
nLen = len+1;
if (((*phStr = MemAllocate (nLen)) != 0)) {
// the expression has been bound and memory allocated
char tempBuf[TYPESTRMAX];
UINT nb;
UINT nIndex = 0;
BOOL fHSYM;
char *psz;
ulong nAdj = 0;
pStr = (char *) MemLock (*phStr);
for (psz = pExprStr; (psz < pExprStr + len) && *psz; psz = _tcsinc (psz)) {
fHSYM = FALSE;
if (*psz == HSYM_MARKER) {
HSYM hSym = GetHSYMFromHSYMCode(psz + 1);
psz += HSYM_CODE_LEN; // skip embedded HSYM code
fHSYM = TRUE;
DASSERT (hSym);
if (GetNameFromHSYM(tempBuf, hSym) == FALSE) {
pExState->err_num = ERR_INTERNAL;
MemUnLock(*phStr);
MemUnLock(hExprStr);
return EEGENERAL;
}
nb = _tcslen(tempBuf);
// compute adjustment for strIndex:
// if an HSYM is to the left of strIndex,
// strIndex needs to be adjusted
if (psz <= pExprStr + strIndex)
nAdj += (nb - sizeof (char) - HSYM_CODE_LEN);
} else {
nb = 1;
}
// check if there is space in the buffer and
// copy nb characters to the destination string
if (nIndex + nb > nLen-1) {
// there is not enough space, grow buffer
MemUnLock(*phStr);
nLen += NAMESTRMAX;
if ((*phStr = MemReAlloc(*phStr, nLen)) == 0){
MemUnLock(hExprStr);
return EENOMEMORY;
}
pStr = (char *) MemLock (*phStr);
}
if (fHSYM) {
// copy name from tembBuf
memcpy(pStr+nIndex, tempBuf, nb);
nIndex += nb;
} else {
// copy a single character from pExprStr
_tccpy (pStr + nIndex, psz);
nIndex += _tclen (psz);
}
}
pStr[nIndex++] = 0;
MemUnLock (*phStr);
// Reallocate the buffer in case it is too large
DASSERT (nIndex <= nLen);
if (nIndex < nLen &&
(*phStr = MemReAlloc(*phStr, nIndex)) == 0){
MemUnLock(hExprStr);
return EENOMEMORY;
}
retval = EENOERROR;
*pEnd = strIndex + nAdj;
}
MemUnLock (hExprStr);
return retval;
}
