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/*****************************************************************************
*
* remotetrans.cpp -
*
* $Id: remotetrans.cpp 2980 2013-09-14 21:51:47Z scribe $
*
* Copyright 2004-2013 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
*/
#include <remotetrans.h>
#include <filemgr.h>
#include <fcntl.h>
#include <dirent.h>
#include <swlog.h>
extern "C" {
#include <ftpparse.h>
}
using std::vector;
SWORD_NAMESPACE_START
namespace {
void removeTrailingSlash(SWBuf &buf) {
int len = buf.size();
if ((buf[len-1] == '/')
|| (buf[len-1] == '\\'))
buf.size(len-1);
}
};
void StatusReporter::preStatus(long totalBytes, long completedBytes, const char *message) {
}
void StatusReporter::statusUpdate(double dtTotal, double dlNow) {
}
RemoteTransport::RemoteTransport(const char *host, StatusReporter *statusReporter) {
this->statusReporter = statusReporter;
this->host = host;
u = "ftp";
p = "installmgr@user.com";
term = false;
}
RemoteTransport::~RemoteTransport() {
}
// override this method in your real transport class
char RemoteTransport::getURL(const char *destPath, const char *sourceURL, SWBuf *destBuf) {
char retVal = 0;
return retVal;
}
vector<struct DirEntry> RemoteTransport::getDirList(const char *dirURL) {
vector<struct DirEntry> dirList;
SWBuf dirBuf;
if (!getURL("", dirURL, &dirBuf)) {
char *start = dirBuf.getRawData();
char *end = start;
while (start < (dirBuf.getRawData()+dirBuf.size())) {
struct ftpparse item;
bool looking = true;
for (end = start; *end; end++) {
if (looking) {
if ((*end == 10) || (*end == 13)) {
*end = 0;
looking = false;
}
}
else if ((*end != 10) && (*end != 13))
break;
}
SWLog::getSystemLog()->logWarning("getDirList: parsing item %s(%d)\n", start, end-start);
int status = ftpparse(&item, start, end - start);
// in ftpparse.h, there is a warning that name is not necessarily null terminated
SWBuf name;
name.append(item.name, item.namelen);
SWLog::getSystemLog()->logWarning("getDirList: got item %s\n", name.c_str());
if (status && name != "." && name != "..") {
struct DirEntry i;
i.name = name;
i.size = item.size;
i.isDirectory = (item.flagtrycwd == 1);
dirList.push_back(i);
}
start = end;
}
}
else {
SWLog::getSystemLog()->logWarning("getDirList: failed to get dir %s\n", dirURL);
}
return dirList;
}
int RemoteTransport::copyDirectory(const char *urlPrefix, const char *dir, const char *dest, const char *suffix) {
unsigned int i;
int retVal = 0;
SWBuf url = SWBuf(urlPrefix) + SWBuf(dir);
removeTrailingSlash(url);
url += '/';
SWLog::getSystemLog()->logWarning("NetTransport: getting dir %s\n", url.c_str());
vector<struct DirEntry> dirList = getDirList(url.c_str());
if (!dirList.size()) {
SWLog::getSystemLog()->logWarning("NetTransport: failed to read dir %s\n", url.c_str());
return -1;
}
long totalBytes = 0;
for (i = 0; i < dirList.size(); i++)
totalBytes += dirList[i].size;
long completedBytes = 0;
for (i = 0; i < dirList.size(); i++) {
struct DirEntry &dirEntry = dirList[i];
SWBuf buffer = (SWBuf)dest;
removeTrailingSlash(buffer);
buffer += "/";
buffer += dirEntry.name;
if (!strcmp(&buffer.c_str()[buffer.length()-strlen(suffix)], suffix)) {
SWBuf buffer2 = "Downloading (";
buffer2.appendFormatted("%d", i+1);
buffer2 += " of ";
buffer2.appendFormatted("%d", dirList.size());
buffer2 += "): ";
buffer2 += dirEntry.name;
if (statusReporter)
statusReporter->preStatus(totalBytes, completedBytes, buffer2.c_str());
FileMgr::createParent(buffer.c_str()); // make sure parent directory exists
SWTRY {
SWBuf url = (SWBuf)urlPrefix + (SWBuf)dir;
removeTrailingSlash(url);
url += "/";
url += dirEntry.name; //dont forget the final slash
if (!dirEntry.isDirectory) {
if (getURL(buffer.c_str(), url.c_str())) {
SWLog::getSystemLog()->logWarning("copyDirectory: failed to get file %s\n", url.c_str());
return -2;
}
completedBytes += dirEntry.size;
}
else {
SWBuf subdir = (SWBuf)dir;
removeTrailingSlash(subdir);
subdir += (SWBuf)"/" + dirEntry.name;
if (copyDirectory(urlPrefix, subdir, buffer.c_str(), suffix)) {
SWLog::getSystemLog()->logWarning("copyDirectory: failed to get file %s\n", subdir.c_str());
return -2;
}
}
}
SWCATCH (...) {}
if (term) {
retVal = -3;
break;
}
}
}
return retVal;
}
#if defined(__GNUC__)
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
void StatusReporter::update(unsigned long totalBytes, unsigned long completedBytes) {
statusUpdate(totalBytes, completedBytes);
}
SWORD_NAMESPACE_END
|
