boinc/client/cs_files.C

136 lines
4.8 KiB
C

// The contents of this file are subject to the Mozilla Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://www.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is the Berkeley Open Infrastructure for Network Computing.
//
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
//
// functions relating to file transfer
//
#include <sys/stat.h>
#include "md5_file.h"
#include "file_xfer.h"
#include "file_names.h"
#include "types.h"
#include "log_flags.h"
#include "client_state.h"
bool CLIENT_STATE::start_file_xfers() {
unsigned int i;
FILE_INFO* fip;
FILE_XFER* fxp;
char pathname[256];
char cksum[64];
int retval;
bool action = false;
// scan all FILE_INFOs.
// start downloads and uploads as needed.
// check for completion of existing transfers
//
for (i=0; i<file_infos.size(); i++) {
fip = file_infos[i];
fxp = fip->file_xfer;
if (!fip->generated_locally && !fip->file_present && !fxp) {
fxp = new FILE_XFER;
get_pathname(fip, pathname);
fxp->init_download( fip->url, pathname);
retval = file_xfers->insert(fxp);
if (retval) {
fprintf(stderr,
"couldn't start download for %s: error %d\n",
fip->url, retval
);
} else {
fip->file_xfer = fxp;
if (log_flags.file_xfer) {
printf("started download of %s to %s\n", fip->url, pathname);
}
}
action = true;
} else if (
fip->upload_when_present && fip->file_present
&& !fip->uploaded && !fxp
) {
fxp = new FILE_XFER;
get_pathname(fip, pathname);
fxp->init_upload( fip->url, pathname);
retval = file_xfers->insert(fxp);
if (retval) {
fprintf(stderr,
"couldn't start upload for %s: error %d\n",
fip->url, retval
);
} else {
fip->file_xfer = fxp;
if (log_flags.file_xfer) {
printf("started upload of %s to %s\n", pathname, fip->url);
}
}
action = true;
} else if (fxp) {
if (fxp->file_xfer_done) {
action = true;
if (log_flags.file_xfer) {
printf(
"file transfer done for %s; retval %d\n",
fip->url, fxp->file_xfer_retval
);
}
file_xfers->remove(fxp);
fip->file_xfer = 0;
if (fip->generated_locally) {
if (fxp->file_xfer_retval == 0) {
net_stats.update(true, fip->nbytes, fxp->elapsed_time());
// file has been uploaded - delete if not sticky
if (!fip->sticky) {
fip->delete_file();
}
fip->uploaded = true;
}
} else {
if (fxp->file_xfer_retval == 0) {
get_pathname(fip, pathname);
md5_file(pathname, cksum, fip->nbytes);
net_stats.update(false, fip->nbytes, fxp->elapsed_time());
if (strcmp(cksum, fip->md5_cksum)) {
fprintf(stderr,
"checksum error for %s\n", fip->name
);
} else {
if (log_flags.file_xfer_debug) {
printf("MD5 checksum validated for %s\n", pathname);
}
if (fip->executable) {
retval = chmod(pathname, S_IEXEC|S_IREAD|S_IWRITE);
} else {
get_pathname(fip, pathname);
retval = chmod(pathname, S_IREAD|S_IWRITE);
}
fip->file_present = true;
}
}
}
client_state_dirty = true;
delete fxp;
}
}
}
return action;
}