/**
* Moves a file from the temp to the destination directory
*/
void move_file_individual(struct group_list_t *group, const char *local_temp,
const char *local_dest, const char *filename)
{
char temppath[MAXPATHNAME], destpath[MAXPATHNAME];
stat_struct temp_stat, dest_stat;
int len, found_dir;
len = snprintf(temppath, sizeof(temppath), "%s%c%s", local_temp,
PATH_SEP, filename);
if ((len >= sizeof(temppath)) || (len == -1)) {
glog0(group, "Max pathname length exceeded: %s%c%s", local_temp,
PATH_SEP, filename);
return;
}
len = snprintf(destpath, sizeof(destpath), "%s%c%s", local_dest,
PATH_SEP, filename);
if ((len >= sizeof(destpath)) || (len == -1)) {
glog0(group, "Max pathname length exceeded: %s%c%s", local_dest,
PATH_SEP, filename);
return;
}
if (lstat_func(temppath, &temp_stat) == -1) {
gsyserror(group, "Error getting file status for %s", temppath);
return;
}
if (S_ISDIR(temp_stat.st_mode)) {
found_dir = 0;
if (lstat_func(destpath, &dest_stat) != -1) {
if (!S_ISDIR(dest_stat.st_mode)) {
clear_path(destpath, group);
} else {
found_dir = 1;
}
}
if (!found_dir) {
if (mkdir(destpath, 0755) == -1) {
gsyserror(group, "Failed to create directory %s", destpath);
return;
}
}
move_files_individual(group, temppath, destpath);
} else {
clear_path(destpath, group);
#ifdef WINDOWS
if (!MoveFile(temppath, destpath)) {
char errbuf[300];
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL,
GetLastError(), 0, errbuf, sizeof(errbuf),NULL);
glog0(group, "error (%d): %s", GetLastError(), errbuf);
}
#else
if (rename(temppath, destpath) == -1) {
gsyserror(group, "Couldn't move file");
}
#endif
run_postreceive(group, destpath);
}
}
/**
* Perform FILEINFO processing specific to a regular file in sync mode
* Returns 1 if a COMPLETE was sent in response, 0 otherwise
*/
int handle_fileinfo_sync(struct group_list_t *group)
{
stat_struct statbuf;
if (lstat_func(group->fileinfo.filepath, &statbuf) != -1) {
// If source is newer, skip
// If source is older, overwrite
// If timestamps same, skip if sizes are also same
int skip;
if (group->fileinfo.tstamp < statbuf.st_mtime) {
skip = 1;
} else if (group->fileinfo.tstamp > statbuf.st_mtime) {
skip = 0;
} else if (S_ISREG(statbuf.st_mode) &&
(statbuf.st_size == group->fileinfo.size)) {
skip = 1;
} else {
skip = 0;
}
if (skip) {
glog2(group, "skipping file, in sync");
early_complete(group, COMP_STAT_SKIPPED, 0);
return 1;
} else {
glog2(group, "overwriting out of sync file");
group->fileinfo.comp_status = COMP_STAT_OVERWRITE;
if (group->sync_preview) {
glog2(group, "Sync preview mode, skipping receive");
early_complete(group, COMP_STAT_OVERWRITE, 0);
return 1;
}
if (!tempfile) {
move_to_backup(group);
}
}
} else {
glog2(group, "copying new file");
if (group->sync_preview) {
glog2(group, "Sync preview mode, skipping receive");
early_complete(group, COMP_STAT_NORMAL, 0);
return 1;
}
if (!tempfile) {
move_to_backup(group);
}
}
return 0;
}
/**
* Perform FILEINFO processing specific to a regular file in restart mode
* Returns 1 if a COMPLETE was sent in response, 0 otherwise
*/
int handle_fileinfo_restart(struct group_list_t *group)
{
stat_struct statbuf;
if ((!strcmp(group->fileinfo.name, group->restartinfo->name)) &&
(group->fileinfo.size == group->restartinfo->size) &&
(group->fileinfo.blocks == group->restartinfo->blocks) &&
(group->fileinfo.sections == group->restartinfo->sections)) {
// Flag this file to restart a failed transfer
group->fileinfo.restart = 1;
return 0;
} else if ((lstat_func(group->fileinfo.filepath, &statbuf) != -1) &&
S_ISREG(statbuf.st_mode) &&
(statbuf.st_size == group->fileinfo.size)) {
// This file was finished on the last attempt,
// so respond with a COMPLETE right away
early_complete(group, COMP_STAT_NORMAL, 0);
return 1;
}
return 0;
}
/**
* Process an incoming FILEINFO message.
* Expected in the middle of a group with no current file.
*/
void handle_fileinfo(struct group_list_t *group, const unsigned char *message,
unsigned meslen, struct timeval rxtime)
{
stat_struct statbuf;
int found_dir;
if (!read_fileinfo(group, message, meslen, rxtime)) {
return;
}
glog2(group, "Name of file to receive: %s", group->fileinfo.name);
switch (group->fileinfo.ftype) {
case FTYPE_REG:
glog2(group, "Bytes: %s, Blocks: %d, Sections: %d",
printll(group->fileinfo.size),
group->fileinfo.blocks, group->fileinfo.sections);
glog3(group, "small section size: %d, "
"big section size: %d, # big sections: %d",
group->fileinfo.secsize_small, group->fileinfo.secsize_big,
group->fileinfo.big_sections);
break;
case FTYPE_DIR:
glog2(group, "Empty directory");
break;
case FTYPE_LINK:
glog2(group, "Symbolic link to %s", group->fileinfo.linkname);
break;
case FTYPE_DELETE:
glog2(group, "Deleting file/directory");
break;
case FTYPE_FREESPACE:
glog2(group, "Get free space for path");
break;
default:
glog1(group, "Invalid file type: %d", group->fileinfo.ftype);
send_abort(group, "Invalid file type");
return;
}
if (!setup_dest_file(group)) {
// A rejected file is still a success because we responded with a
// COMPLETE with status=rejected instead of with an ABORT
return;
}
// Make sure the path to the destination file exists and
// remove or back up any existing file
if (!create_path_to_file(group, group->fileinfo.filepath)) {
glog0(group, "Error creating path to data file");
early_complete(group, COMP_STAT_REJECTED, 0);
return;
}
found_dir = 0;
if (tempfile && !group->sync_preview) {
clear_path(group->fileinfo.temppath, group);
}
if ((group->fileinfo.ftype != FTYPE_DELETE) ||
(group->fileinfo.ftype != FTYPE_FREESPACE)) {
// Don't do path checks for metafile commands
} else if (lstat_func(group->fileinfo.filepath, &statbuf) != -1) {
glog3(group, "checking existing file");
if ((group->fileinfo.ftype != FTYPE_DIR) || !S_ISDIR(statbuf.st_mode)) {
if ((group->fileinfo.ftype != FTYPE_REG) ||
!S_ISREG(statbuf.st_mode) ||
((!group->restart) && (!group->sync_mode))) {
// Don't clear/backup if we're receiving a regular file
// and we're in either restart mode or sync mode
glog3(group, "calling move_to_backup");
if (!tempfile) {
move_to_backup(group);
}
}
} else {
glog3(group, "found dir");
found_dir = 1;
}
} else if (errno != ENOENT) {
gsyserror(group, "Error checking file %s",group->fileinfo.filepath);
}
switch (group->fileinfo.ftype) {
case FTYPE_REG:
handle_fileinfo_regular(group);
break;
case FTYPE_DIR:
handle_fileinfo_dir(group, found_dir);
break;
case FTYPE_LINK:
handle_fileinfo_link(group);
break;
case FTYPE_DELETE:
handle_fileinfo_delete(group);
break;
case FTYPE_FREESPACE:
handle_fileinfo_freespace(group);
break;
default:
glog0(group, "Error handling FILEINFO: shouldn't get here!");
}
}
/**
* Creates all directories in the given file's path, removing existing files.
* Returns 1 on success, 0 on failure
*/
int create_path_to_file(int listidx, const char *filename)
{
char *dir, *base;
stat_struct statbuf;
int rval;
split_path(filename, &dir, &base);
if (!dir) {
log1(group_list[listidx].group_id, group_list[listidx].file_id,
"Invalid path element %s", filename);
rval = 0;
goto end;
}
#ifdef WINDOWS
if ((base == NULL) || ((strlen(dir) == 2) && (dir[1] == ':'))) {
#else
if ((!strcmp(dir, ".")) || (!strcmp(dir, "/"))) {
#endif
// At top level directory, so stop recursion
rval = 1;
goto end;
}
if (lstat_func(dir, &statbuf) != -1) {
if (!S_ISDIR(statbuf.st_mode)) {
if (unlink(dir) == -1) {
syserror(group_list[listidx].group_id,
group_list[listidx].file_id,
"Failed to delete path element %s", dir);
rval = 0;
goto end;
}
if (mkdir(dir, 0755) == -1) {
syserror(group_list[listidx].group_id,
group_list[listidx].file_id,
"Failed to create path element %s", dir);
rval = 0;
goto end;
}
}
} else {
// If the file's directory does not exist, recurse first to make sure
// all parent directories exist
if (!create_path_to_file(listidx, dir)) {
rval = 0;
goto end;
}
if (mkdir(dir, 0755) == -1) {
syserror(group_list[listidx].group_id, group_list[listidx].file_id,
"Failed to create path element %s", dir);
rval = 0;
goto end;
}
}
rval = 1;
end:
free(dir);
free(base);
return rval;
}
/**
* For the current file in a group, move the existing file to
* the appropriate backup directory, if it exists.
* In the event of a failure, delete the original file
*/
void move_to_backup(int listidx)
{
stat_struct statbuf;
char backup_file[MAXBACKUPPATHNAME], *trim_name;
int len;
if (lstat_func(group_list[listidx].fileinfo.filepath, &statbuf) == -1) {
return;
}
if (backupcnt == 0) {
clear_path(group_list[listidx].fileinfo.filepath, listidx);
return;
}
#ifdef WINDOWS
if ((group_list[listidx].fileinfo.filepath[1] == ':') &&
(group_list[listidx].fileinfo.filepath[2] == '\\')) {
trim_name = &group_list[listidx].fileinfo.filepath[3];
} else {
trim_name = group_list[listidx].fileinfo.filepath;
}
#else
trim_name = group_list[listidx].fileinfo.filepath;
#endif
len = snprintf(backup_file, sizeof(backup_file), "%s%c%s%c%s%c%s",
backupdir[group_list[listidx].fileinfo.destdiridx], PATH_SEP,
group_list[listidx].start_date, PATH_SEP,
group_list[listidx].start_time, PATH_SEP, trim_name);
if (len >= sizeof(backup_file)) {
log0(group_list[listidx].group_id, group_list[listidx].file_id,
"Max pathname length exceeded for backup file, deleting",
group_list[listidx].fileinfo.filepath);
clear_path(group_list[listidx].fileinfo.filepath, listidx);
return;
}
clear_path(backup_file, listidx);
if (!create_path_to_file(listidx, backup_file)) {
log0(group_list[listidx].group_id, group_list[listidx].file_id,
"Error creating path to backup file");
clear_path(group_list[listidx].fileinfo.filepath, listidx);
}
#ifdef WINDOWS
if (!MoveFile(group_list[listidx].fileinfo.filepath, backup_file)) {
char errbuf[300];
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL,
GetLastError(), 0, errbuf, sizeof(errbuf), NULL);
log0(group_list[listidx].group_id, group_list[listidx].file_id,
"Couldn't rename from %s to %s, deleting: (%d): %s",
group_list[listidx].fileinfo.filepath, backup_file,
GetLastError(), errbuf);
clear_path(group_list[listidx].fileinfo.filepath, listidx);
} else {
log1(group_list[listidx].group_id, group_list[listidx].file_id,
"Backed up existing file to %s", backup_file);
}
#else
if (rename(group_list[listidx].fileinfo.filepath, backup_file) == -1) {
syserror(group_list[listidx].group_id, group_list[listidx].file_id,
"Couldn't rename from %s to %s, deleting",
group_list[listidx].fileinfo.filepath, backup_file);
clear_path(group_list[listidx].fileinfo.filepath, listidx);
} else {
log1(group_list[listidx].group_id, group_list[listidx].file_id,
"Backed up existing file to %s", backup_file);
}
#endif
}
/**
* Removes a full path from disk
*/
void clear_path(const char *path, int listidx)
{
stat_struct statbuf;
char filename[MAXPATHNAME];
int len;
if (lstat_func(path, &statbuf) == -1) {
if (errno != ENOENT) {
syserror(group_list[listidx].group_id, group_list[listidx].file_id,
"Error getting file status for %s", path);
}
return;
}
if (!S_ISDIR(statbuf.st_mode)) {
unlink(path);
} else {
#ifdef WINDOWS
intptr_t ffhandle;
struct _finddatai64_t finfo;
char dirglob[MAXPATHNAME];
snprintf(dirglob, sizeof(dirglob), "%s%c*", path,
PATH_SEP, group_list[listidx].group_id, PATH_SEP);
if ((ffhandle = _findfirsti64(dirglob, &finfo)) == -1) {
syserror(group_list[listidx].group_id, group_list[listidx].file_id,
"Failed to open directory %s", path);
return;
}
do {
len = snprintf(filename, sizeof(filename), "%s%c%s", path,
PATH_SEP, finfo.name);
if ((len >= sizeof(filename)) || (len == -1)) {
log0(group_list[listidx].group_id, group_list[listidx].file_id,
"Max pathname length exceeded: %s%c%s",
filename, PATH_SEP, finfo.name);
continue;
}
if (strcmp(finfo.name, ".") && strcmp(finfo.name, "..")) {
clear_path(filename, listidx);
}
} while (_findnexti64(ffhandle, &finfo) == 0);
_findclose(ffhandle);
#else
DIR *dir;
struct dirent *de;
if ((dir = opendir(path)) == NULL) {
syserror(group_list[listidx].group_id, group_list[listidx].file_id,
"Failed to open directory %s", path);
return;
}
// errno needs to be set to 0 before calling readdir, otherwise
// we'll report a false error when we exhaust the directory
while ((errno = 0, de = readdir(dir)) != NULL) {
len = snprintf(filename, sizeof(filename), "%s%c%s", path, PATH_SEP,
de->d_name);
if ((len >= sizeof(filename)) || (len == -1)) {
log0(group_list[listidx].group_id, group_list[listidx].file_id,
"Max pathname length exceeded: %s%c%s", path,
PATH_SEP, de->d_name);
continue;
}
if (strcmp(de->d_name, ".") && strcmp(de->d_name, "..")) {
clear_path(filename, listidx);
}
}
if (errno && (errno != ENOENT)) {
syserror(group_list[listidx].group_id, group_list[listidx].file_id,
"Failed to read directory %s", path);
}
closedir(dir);
#endif
if (rmdir(path) == -1) {
syserror(group_list[listidx].group_id, group_list[listidx].file_id,
"Failed remove directory %s", path);
}
}
}
/**
* Performs the send for a particular file/directory. If a directory is
* specified, get the list of files and call recursively for each.
* Returns 0 if a file was sent and none received it, 1 otherwise
*/
int send_file(const char *basedir, const char *filename,
const char *n_destfname, uint32_t group_id)
{
static uint16_t file_id = 1;
struct finfo_t finfo;
stat_struct statbuf;
char path[MAXPATHNAME], destpath[MAXPATHNAME];
int len, rval, fd, emptydir;
log(0, 0, "----- %s -----", filename);
len = snprintf(path, sizeof(path), "%s%c%s", basedir, PATH_SEP, filename);
if ((len >= sizeof(path)) || (len == -1)) {
log(0, 0, "Max pathname length exceeded: %s%c%s",
basedir, PATH_SEP, filename);
return 1;
}
if (follow_links) {
rval = stat_func(path, &statbuf);
} else {
rval = lstat_func(path, &statbuf);
}
if (rval == -1) {
syserror(0, 0, "Error getting file status for %s", filename);
return 1;
}
if (file_excluded(filename)) {
log(0, 0, "Skipping %s", filename);
return 1;
}
rval = 1;
if (S_ISREG(statbuf.st_mode)) {
if ((fd = open(path, OPENREAD, 0)) == -1) {
syserror(0, 0, "Error reading file %s", filename);
return 1;
}
close(fd);
memset(&finfo, 0, sizeof(struct finfo_t));
finfo.ftype = FTYPE_REG;
finfo.basedir = basedir;
finfo.filename = filename;
finfo.destfname = n_destfname;
finfo.group_id = group_id;
finfo.file_id = file_id++;
if (file_id == 0) {
file_id = 1;
}
finfo.size = statbuf.st_size;
finfo.blocks = (int32_t)((finfo.size / blocksize) +
(finfo.size % blocksize ? 1 :0));
finfo.sections = (finfo.blocks / (blocksize * 8)) +
(finfo.blocks % (blocksize * 8) ? 1 : 0);
finfo.naklist = calloc(finfo.blocks, 1);
finfo.deststate = calloc(destcount ? destcount : MAXDEST,
sizeof(struct deststate_t));
if ((finfo.naklist == NULL) || (finfo.deststate == NULL)) {
syserror(0, 0, "calloc failed!");
exit(1);
}
finfo.partial = 1;
rval = announce_phase(&finfo);
if (rval) {
rval = transfer_phase(&finfo);
}
free(finfo.deststate);
free(finfo.naklist);
#ifndef WINDOWS
} else if (S_ISLNK(statbuf.st_mode)) {
char linkname[MAXPATHNAME];
memset(linkname, 0, sizeof(linkname));
if (readlink(path, linkname, sizeof(linkname)-1) == -1) {
syserror(0, 0, "Failed to read symbolic link %s", path);
return 1;
}
// Both the file name and the link have to fit into a fileinfo_h.name
if (strlen(linkname) + strlen(filename) + 2 > MAXPATHNAME) {
log(0, 0, "Combined file name %s and link %s too long",
filename, linkname);
return 1;
}
memset(&finfo, 0, sizeof(struct finfo_t));
finfo.ftype = FTYPE_LINK;
finfo.basedir = basedir;
finfo.filename = filename;
finfo.destfname = n_destfname;
finfo.linkname = linkname;
finfo.group_id = group_id;
finfo.file_id = file_id++;
if (file_id == 0) {
file_id = 1;
}
finfo.deststate = calloc(destcount ? destcount : MAXDEST,
sizeof(struct deststate_t));
if (finfo.deststate == NULL) {
syserror(0, 0, "calloc failed!");
exit(1);
}
finfo.partial = 1;
rval = announce_phase(&finfo);
if (rval) {
rval = transfer_phase(&finfo);
}
#endif
} else if (S_ISDIR(statbuf.st_mode)) {
// read directory and do recursive send
#ifdef WINDOWS
intptr_t ffhandle;
struct _finddatai64_t ffinfo;
char dirglob[MAXPATHNAME];
snprintf(dirglob, sizeof(dirglob), "%s%c%s%c*", basedir, PATH_SEP,
filename, PATH_SEP);
if ((ffhandle = _findfirsti64(dirglob, &ffinfo)) == -1) {
syserror(0, 0, "Failed to open directory %s%c%s", basedir, PATH_SEP,
filename);
return 1;
}
emptydir = 1;
do {
len = snprintf(path, sizeof(path), "%s/%s", filename, ffinfo.name);
if ((len >= sizeof(path)) || (len == -1)) {
log(0, 0, "Max pathname length exceeded: %s/%s",
filename, ffinfo.name);
continue;
}
len = snprintf(destpath, sizeof(destpath), "%s/%s",
n_destfname, ffinfo.name);
if ((len >= sizeof(destpath)) || (len == -1)) {
log(0, 0, "Max pathname length exceeded: %s/%s",
n_destfname, ffinfo.name);
continue;
}
if (strcmp(ffinfo.name, ".") && strcmp(ffinfo.name, "..")) {
emptydir = 0;
if (!send_file(basedir, path, destpath, group_id)) {
rval = 0;
break;
}
}
} while (_findnexti64(ffhandle, &ffinfo) == 0);
_findclose(ffhandle);
#else
DIR *dir;
struct dirent *de;
char dirname[MAXPATHNAME];
snprintf(dirname, sizeof(dirname), "%s%c%s", basedir,PATH_SEP,filename);
if ((dir = opendir(dirname)) == NULL) {
syserror(0, 0, "Failed to open directory %s", dirname);
return 1;
}
// errno needs to be set to 0 before calling readdir, otherwise
// we'll report a false error when we exhaust the directory
emptydir = 1;
while ((errno = 0, de = readdir(dir)) != NULL) {
len = snprintf(path, sizeof(path), "%s/%s", filename, de->d_name);
if ((len >= sizeof(path)) || (len == -1)) {
log(0, 0, "Max pathname length exceeded: %s/%s",
filename, de->d_name);
continue;
}
len = snprintf(destpath, sizeof(destpath), "%s/%s",
n_destfname, de->d_name);
if ((len >= sizeof(destpath)) || (len == -1)) {
log(0, 0, "Max pathname length exceeded: %s/%s",
n_destfname, de->d_name);
continue;
}
if (strcmp(de->d_name, ".") && strcmp(de->d_name, "..")) {
emptydir = 0;
if (!send_file(basedir, path, destpath, group_id)) {
rval = 0;
break;
}
}
}
if (errno && (errno != ENOENT)) {
syserror(0, 0, "Failed to read directory %s", filename);
}
closedir(dir);
#endif
if (emptydir) {
memset(&finfo, 0, sizeof(struct finfo_t));
finfo.ftype = FTYPE_DIR;
finfo.basedir = basedir;
finfo.filename = filename;
finfo.destfname = n_destfname;
finfo.group_id = group_id;
finfo.file_id = file_id++;
if (file_id == 0) {
file_id = 1;
}
finfo.deststate = calloc(destcount ? destcount : MAXDEST,
sizeof(struct deststate_t));
if (finfo.deststate == NULL) {
syserror(0, 0, "calloc failed!");
exit(1);
}
finfo.partial = 1;
rval = announce_phase(&finfo);
if (rval) {
rval = transfer_phase(&finfo);
}
}
} else {
log(0, 0, "Skipping special file %s", filename);
}
return rval;
}
/**
* Creates all directories in the given file's path, removing existing files.
* Returns 1 on success, 0 on failure
*/
int create_path_to_file(struct group_list_t *group, const char *filename)
{
char *dir, *base;
stat_struct statbuf;
int rval;
split_path(filename, &dir, &base);
if (!dir) {
glog1(group, "Invalid path element %s", filename);
rval = 0;
goto end;
}
#ifdef WINDOWS
if ((base == NULL) || ((strlen(dir) == 2) && (dir[1] == ':'))) {
#else
if ((!strcmp(dir, ".")) || (!strcmp(dir, "/"))) {
#endif
// At top level directory, so stop recursion
rval = 1;
goto end;
}
if (lstat_func(dir, &statbuf) != -1) {
if (!S_ISDIR(statbuf.st_mode)) {
if (unlink(dir) == -1) {
gsyserror(group, "Failed to delete path element %s", dir);
rval = 0;
goto end;
}
if (mkdir(dir, 0755) == -1) {
gsyserror(group, "Failed to create path element %s", dir);
rval = 0;
goto end;
}
}
} else {
// If the file's directory does not exist, recurse first to make sure
// all parent directories exist
if (!create_path_to_file(group, dir)) {
rval = 0;
goto end;
}
if (mkdir(dir, 0755) == -1) {
gsyserror(group, "Failed to create path element %s", dir);
rval = 0;
goto end;
}
}
rval = 1;
end:
free(dir);
free(base);
return rval;
}
void new_loss_event(struct group_list_t *group, uint16_t txseq)
{
uint32_t seq_long;
uint16_t count;
int bytes, avgbytes, rate, grtt_usec;
glog4(group, "Seq %d starts new loss event", txseq);
// Found a new loss event
if (txseq < group->max_txseq - MAXMISORDER) {
glog5(group, "wrap check, i=%u, maxseq=%u", txseq, group->max_txseq);
seq_long = ((group->seq_wrap - 1) << 16) | txseq;
} else {
seq_long = (group->seq_wrap << 16) | txseq;
}
if (group->slowstart) {
group->slowstart = 0;
// Initialize loss history
count = group->max_txseq;
bytes = 0;
grtt_usec = (int)(group->grtt * 1000000);
while ((count != group->start_txseq) &&
(diff_usec(group->loss_history[txseq].t,
group->loss_history[count].t) < grtt_usec)) {
bytes += group->loss_history[count--].size;
}
rate = (int)(bytes / group->grtt);
glog4(group, "End slowstart, calculated rate = %d", rate);
avgbytes= bytes / ((int16_t)(group->max_txseq - count));
group->loss_events[0].len = (int)(0 + pow(
(rate * ((group->rtt != 0) ? group->rtt : group->grtt)) /
(sqrt(1.5) * 8 * avgbytes), 2));
glog4(group, "Calculated prior event len = %d (rtt=%f, avgbytes=%d)",
group->loss_events[0].len, group->rtt,avgbytes);
} else {
group->loss_events[0].len = seq_long - group->loss_events[0].start_seq;
glog4(group, "Prior event length = %d (i=%u, start=%u)",
group->loss_events[0].len,
seq_long, group->loss_events[0].start_seq);
}
memmove(&group->loss_events[1], &group->loss_events[0],
sizeof(struct loss_event_t) * 8);
group->loss_events[0].start_seq = seq_long;
group->loss_events[0].len = 0;
group->loss_events[0].t = group->loss_history[txseq].t;
}