Files
FileSync/src/actionfilenode.c
2016-09-15 04:46:33 +02:00

417 lines
12 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "util.h"
#include "crc.h"
#include "fileutil.h"
#include "filenode.h"
#include "actionfilenode.h"
ActionFileNode _actionFileNodeFree = NULL;
#define AccionFileNode_Block 1024
ActionFileNode ActionFileNode_Create() {
ActionFileNode actionFileNode;
if (_actionFileNodeFree == NULL) {
ActionFileNode actionFileNodeFreeAux;
int i;
// Allocate block
actionFileNodeFreeAux =
malloc(sizeof(TActionFileNode) * AccionFileNode_Block);
if (actionFileNodeFreeAux == NULL) {
return NULL;
}
for (i = 0; i < AccionFileNode_Block - 1; i++) {
actionFileNodeFreeAux[i].next = &actionFileNodeFreeAux[i + 1];
}
actionFileNodeFreeAux[AccionFileNode_Block - 1].next = NULL;
_actionFileNodeFree = &actionFileNodeFreeAux[0];
}
// Get the first free
actionFileNode = _actionFileNodeFree;
_actionFileNodeFree = actionFileNode->next;
// Initialize
actionFileNode->action = ActionFileCmp_Nothing;
actionFileNode->left = NULL;
actionFileNode->right = NULL;
actionFileNode->next = NULL;
return (actionFileNode);
}
void AccionFileNode_Destroy(ActionFileNode actionFileNode) {
actionFileNode->next = _actionFileNodeFree;
_actionFileNodeFree = actionFileNode;
}
ActionFileNode ActionFileNode_CreateNormal(FileNode fileNodeLeft,
FileNode fileNodeRight) {
ActionFileNode actionFileNode;
actionFileNode = ActionFileNode_Create();
actionFileNode->action = ActionFileCmp_Nothing;
actionFileNode->left = fileNodeLeft;
actionFileNode->right = fileNodeRight;
return actionFileNode;
}
void AccionFileNode_CompareChilds(
ActionFileNode actionFileNodeRoot, ActionFileNode *actionFileNodeQueue,
void (*CheckPair)(FileNode fileNodeLeft, FileNode fileNodeRight,
ActionFileNode *actionFileNodeQueue)) {
FileNode fileNodeLeft;
FileNode fileNodeRight;
FileNode fileNodeRightQueue;
FileNode fileNodeRightProcessed;
FileNode fileNodeRightPrevious;
// Check if there is something to do
if (!actionFileNodeRoot->left && !actionFileNodeRoot->right) {
return;
}
// There is no left part
if (!actionFileNodeRoot->left) {
fileNodeRight = actionFileNodeRoot->right->child;
while (fileNodeRight) {
CheckPair(NULL, fileNodeRight, actionFileNodeQueue);
fileNodeRight = fileNodeRight->next;
}
return;
}
// There is no right part
if (!actionFileNodeRoot->right) {
fileNodeLeft = actionFileNodeRoot->left->child;
while (fileNodeLeft) {
CheckPair(fileNodeLeft, NULL, actionFileNodeQueue);
fileNodeLeft = fileNodeLeft->next;
}
return;
}
// Prepare chains
fileNodeRightQueue = actionFileNodeRoot->right->child;
fileNodeRightProcessed = NULL;
// Iterate left child FileNodes
fileNodeLeft = actionFileNodeRoot->left->child;
while (fileNodeLeft) {
fileNodeRightPrevious = NULL;
fileNodeRight = fileNodeRightQueue;
while (fileNodeRight) {
if (!strcmp(fileNodeLeft->name, fileNodeRight->name)) {
// Match, extract right child FileNode to the processed chain
if (fileNodeRightPrevious) {
fileNodeRightPrevious->next = fileNodeRight->next;
} else {
fileNodeRightQueue = fileNodeRight->next;
}
fileNodeRight->next = fileNodeRightProcessed;
fileNodeRightProcessed = fileNodeRight;
CheckPair(fileNodeLeft, fileNodeRight, actionFileNodeQueue);
break;
} else {
// Next right child
fileNodeRightPrevious = fileNodeRight;
fileNodeRight = fileNodeRight->next;
}
}
if (!fileNodeRight) {
CheckPair(fileNodeLeft, NULL, actionFileNodeQueue);
}
fileNodeLeft = fileNodeLeft->next;
}
// Iterate unprocessed right childs
fileNodeRight = fileNodeRightQueue;
while (fileNodeRight) {
CheckPair(NULL, fileNodeRight, actionFileNodeQueue);
fileNodeRightPrevious = fileNodeRight;
fileNodeRight = fileNodeRight->next;
fileNodeRightPrevious->next = fileNodeRightProcessed;
fileNodeRightProcessed = fileNodeRightPrevious;
}
actionFileNodeRoot->right->child = fileNodeRightProcessed;
}
int ActionFileNode_Statistics(ActionFileNode actionFileNode,
ActionQueueStatistics *statistics) {
statistics->readLeft = 0;
statistics->writeLeft = 0;
statistics->readRight = 0;
statistics->writeRight = 0;
statistics->deleteLeft = 0;
statistics->deleteRight = 0;
statistics->fullCopyCount = 0;
statistics->dateCopyCount = 0;
statistics->directoryCount = 0;
statistics->deleteCount = 0;
while (actionFileNode != NULL) {
switch (actionFileNode->action) {
case ActionFileCmp_Nothing:
break;
case ActionFileCmp_LeftToRight:
statistics->fullCopyCount++;
statistics->readLeft += actionFileNode->left->size;
statistics->writeRight += actionFileNode->left->size;
break;
case ActionFileCmp_RightToLeft:
statistics->fullCopyCount++;
statistics->writeLeft += actionFileNode->right->size;
statistics->readRight += actionFileNode->right->size;
break;
case ActionFileCmp_DeleteLeft:
statistics->deleteCount++;
statistics->deleteLeft += actionFileNode->left->size;
break;
case ActionFileCmp_DeleteRight:
statistics->deleteCount++;
statistics->deleteRight += actionFileNode->right->size;
break;
case ActionFileCmp_DateLeftToRight:
statistics->dateCopyCount++;
break;
case ActionFileCmp_DateRightToLeft:
statistics->dateCopyCount++;
break;
case ActionFileCmp_MakeRightDirectory:
statistics->directoryCount++;
break;
case ActionFileCmp_MakeLeftDirectory:
statistics->directoryCount++;
break;
}
actionFileNode = actionFileNode->next;
}
return (statistics->fullCopyCount + statistics->dateCopyCount +
statistics->directoryCount + statistics->deleteCount);
}
void ActionFileNode_Print(ActionFileNode actionFileNode) {
char showPath[MaxPath];
while (actionFileNode != NULL) {
if (actionFileNode->left) {
FileNode_GetFullPath(actionFileNode->left, "", showPath);
} else {
FileNode_GetFullPath(actionFileNode->right, "", showPath);
}
switch (actionFileNode->action) {
case ActionFileCmp_Nothing:
// printff("%s == %s\n",pathIzq,pathDer);
break;
case ActionFileCmp_LeftToRight:
Print(" => %s\n", showPath);
break;
case ActionFileCmp_RightToLeft:
Print(" <= %s\n", showPath);
break;
case ActionFileCmp_DeleteLeft:
Print(" *- %s\n", showPath);
break;
case ActionFileCmp_DeleteRight:
Print(" -* %s\n", showPath);
break;
case ActionFileCmp_DateLeftToRight:
Print(" -> %s\n", showPath);
break;
case ActionFileCmp_DateRightToLeft:
Print(" <- %s\n", showPath);
break;
case ActionFileCmp_MakeRightDirectory:
Print(" -D %s\n", showPath);
break;
case ActionFileCmp_MakeLeftDirectory:
Print(" D- %s\n", showPath);
break;
}
actionFileNode = actionFileNode->next;
}
Print("End\n");
}
void AccionFileNodeAux_CopyDate(char *pathOrig, char *pathDest) {
FileTime ft = FileTime_Get(pathOrig);
FileTime_Set(pathDest, ft);
}
void AccionFileNodeAux_Copy(char *pathOrig, char *pathDest) {
if (File_Copy(pathOrig, pathDest)) {
AccionFileNodeAux_CopyDate(pathOrig, pathDest);
} else {
File_Delete(pathDest);
Print("Error Copying to: %s\n", pathDest);
}
}
void AccionFileNodeAux_Delete(char *pathOrig, char *pathDest) {
if (File_IsDirectory(pathDest)) {
File_DeleteDirectory(pathDest);
} else {
File_Delete(pathDest);
}
}
void AccionFileNodeAux_MakeDir(char *pathOrig, char *pathDest) {
if (File_MakeDirectory(pathDest) == 0) {
Print("Error Making Directory: %s\n", pathDest);
}
}
int ActionFileNode_RunList(ActionFileNode actionFileNode, char *pathLeft,
char *pathRight) {
int numActions = 0;
char fullPathLeft[MaxPath], fullPathRight[MaxPath], showPath[MaxPath];
while (actionFileNode != NULL) {
if (actionFileNode->left) {
FileNode_GetFullPath(actionFileNode->left, pathLeft, fullPathLeft);
FileNode_GetFullPath(actionFileNode->left, "", showPath);
} else {
FileNode_GetFullPath(actionFileNode->right, pathLeft, fullPathLeft);
FileNode_GetFullPath(actionFileNode->right, "", showPath);
}
if (actionFileNode->right) {
FileNode_GetFullPath(actionFileNode->right, pathRight,
fullPathRight);
} else {
FileNode_GetFullPath(actionFileNode->left, pathRight,
fullPathRight);
}
switch (actionFileNode->action) {
case ActionFileCmp_Nothing:
// printff("%s == %s\n",pathIzq,pathDer);
break;
case ActionFileCmp_LeftToRight:
Print(" => %s\n", showPath);
AccionFileNodeAux_Copy(fullPathLeft, fullPathRight);
numActions++;
break;
case ActionFileCmp_RightToLeft:
Print(" <= %s\n", showPath);
AccionFileNodeAux_Copy(fullPathRight, fullPathLeft);
numActions++;
break;
case ActionFileCmp_DeleteLeft:
Print(" *- %s\n", showPath);
AccionFileNodeAux_Delete(fullPathRight, fullPathLeft);
numActions++;
break;
case ActionFileCmp_DeleteRight:
Print(" -* %s\n", showPath);
AccionFileNodeAux_Delete(fullPathLeft, fullPathRight);
numActions++;
break;
case ActionFileCmp_DateLeftToRight:
Print(" -> %s\n", showPath);
AccionFileNodeAux_CopyDate(fullPathLeft, fullPathRight);
numActions++;
break;
case ActionFileCmp_DateRightToLeft:
Print(" <- %s\n", showPath);
AccionFileNodeAux_CopyDate(fullPathRight, fullPathLeft);
numActions++;
break;
case ActionFileCmp_MakeRightDirectory:
Print(" -D %s\n", showPath);
AccionFileNodeAux_MakeDir(fullPathLeft, fullPathRight);
numActions++;
break;
case ActionFileCmp_MakeLeftDirectory:
Print(" D- %s\n", showPath);
AccionFileNodeAux_MakeDir(fullPathRight, fullPathLeft);
numActions++;
break;
}
actionFileNode = actionFileNode->next;
}
Print("End\n");
return numActions;
}
// ----------------------------------------------------------------------------
// Common utilities
#define QueueNode(queue, node) \
(queue)->next = (node); \
(queue) = (node);
void AccionFileNode_DeletePair(FileNode fileNodeLeft, FileNode fileNodeRight,
ActionFileNode *actionFileNodeQueue) {
ActionFileNode actionFileNodeNew =
ActionFileNode_CreateNormal(fileNodeLeft, fileNodeRight);
if (!fileNodeLeft && !fileNodeRight) {
AccionFileNode_Destroy(actionFileNodeNew);
return;
}
if (!fileNodeLeft && fileNodeRight) {
if (fileNodeRight->flags & FileFlag_Directory) {
// Iterate childs for deletion
AccionFileNode_CompareChilds(actionFileNodeNew, actionFileNodeQueue,
AccionFileNode_DeletePair);
}
if (fileNodeRight->status != FileStatus_Deleted) {
// Node delete action
actionFileNodeNew->action = ActionFileCmp_DeleteRight;
QueueNode(*actionFileNodeQueue, actionFileNodeNew);
} else {
AccionFileNode_Destroy(actionFileNodeNew);
}
}
if (fileNodeLeft && !fileNodeRight) {
if (fileNodeLeft->flags & FileFlag_Directory) {
// Iterate childs for deletion
AccionFileNode_CompareChilds(actionFileNodeNew, actionFileNodeQueue,
AccionFileNode_DeletePair);
}
if (fileNodeLeft->status != FileStatus_Deleted) {
// Node delete action
actionFileNodeNew->action = ActionFileCmp_DeleteLeft;
QueueNode(*actionFileNodeQueue, actionFileNodeNew);
} else {
AccionFileNode_Destroy(actionFileNodeNew);
}
}
if (fileNodeLeft && fileNodeRight) {
if ((fileNodeLeft->flags & FileFlag_Directory) ||
(fileNodeRight->flags & FileFlag_Directory)) {
// One is Directory
// Iterate childs for deletion
AccionFileNode_CompareChilds(actionFileNodeNew, actionFileNodeQueue,
AccionFileNode_DeletePair);
}
if (fileNodeLeft->status != FileStatus_Deleted) {
// Left node delete action
actionFileNodeNew->action = ActionFileCmp_DeleteLeft;
QueueNode(*actionFileNodeQueue, actionFileNodeNew);
actionFileNodeNew = NULL;
}
if (fileNodeRight->status != FileStatus_Deleted) {
if (!actionFileNodeNew) {
actionFileNodeNew =
ActionFileNode_CreateNormal(fileNodeLeft, fileNodeRight);
}
// Right node delete action
actionFileNodeNew->action = ActionFileCmp_DeleteRight;
QueueNode(*actionFileNodeQueue, actionFileNodeNew);
actionFileNodeNew = NULL;
}
if (actionFileNodeNew) {
AccionFileNode_Destroy(actionFileNodeNew);
}
}
}