static void BuildList( void ) {
int numDirs, numDemos;
void **dirlist, **demolist;
char *cache, *p;
unsigned flags;
size_t len;
int i;
// this can be a lengthy process
S_StopAllSounds();
m_demos.menu.status = "Building list...";
SCR_UpdateScreen();
// list files
flags = ui_listalldemos->integer ? 0 : FS_TYPE_REAL | FS_PATH_GAME;
dirlist = FS_ListFiles( m_demos.browse, NULL, flags |
FS_SEARCH_DIRSONLY, &numDirs );
demolist = FS_ListFiles( m_demos.browse, DEMO_EXTENSIONS, flags |
FS_SEARCH_EXTRAINFO, &numDemos );
// alloc entries
m_demos.list.items = UI_Malloc( sizeof( demoEntry_t * ) * ( numDirs + numDemos + 1 ) );
m_demos.list.numItems = 0;
m_demos.list.curvalue = 0;
m_demos.list.prestep = 0;
m_demos.widest_map = 3;
m_demos.widest_pov = 3;
m_demos.total_bytes = 0;
// start with minimum size
m_demos.menu.size( &m_demos.menu );
if( m_demos.browse[0] ) {
BuildDir( "..", ENTRY_UP );
}
// add directories
if( dirlist ) {
for( i = 0; i < numDirs; i++ ) {
BuildDir( dirlist[i], ENTRY_DN );
}
FS_FreeList( dirlist );
}
m_demos.numDirs = m_demos.list.numItems;
// add demos
if( demolist ) {
CalcHash( demolist );
if( ( cache = LoadCache( demolist ) ) != NULL ) {
p = cache + 32 + 1;
for( i = 0; i < numDemos; i++ ) {
BuildName( demolist[i], &p );
}
FS_FreeFile( cache );
} else {
for( i = 0; i < numDemos; i++ ) {
BuildName( demolist[i], NULL );
if( ( i & 7 ) == 0 ) {
m_demos.menu.size( &m_demos.menu );
SCR_UpdateScreen();
}
}
}
WriteCache();
FS_FreeList( demolist );
}
// update status line and sort
if( m_demos.list.numItems ) {
Change( &m_demos.list.generic );
if( m_demos.list.sortdir ) {
m_demos.list.sort( &m_demos.list, m_demos.list.sortcol );
}
}
// resize columns
m_demos.menu.size( &m_demos.menu );
// format our extra status line
i = m_demos.list.numItems - m_demos.numDirs;
len = Q_scnprintf( m_demos.status, sizeof( m_demos.status ),
"%d demo%s, ", i, i == 1 ? "" : "s" );
Com_FormatSizeLong( m_demos.status + len, sizeof( m_demos.status ) - len,
m_demos.total_bytes );
SCR_UpdateScreen();
}
// A download finished, find out what it was, whether there were any errors and
// if so, how severe. If none, rename file and other such stuff.
static qboolean finish_download(void)
{
int msgs_in_queue;
CURLMsg *msg;
CURLcode result;
dlhandle_t *dl;
CURL *curl;
long response;
double sec, bytes;
char size[16], speed[16];
char temp[MAX_OSPATH];
qboolean fatal_error = qfalse;
const char *err;
print_type_t level;
do {
msg = curl_multi_info_read(curl_multi, &msgs_in_queue);
if (!msg)
break;
if (msg->msg != CURLMSG_DONE)
continue;
curl = msg->easy_handle;
dl = find_handle(curl);
cls.download.current = NULL;
cls.download.percent = 0;
//filelist processing is done on read
if (dl->file) {
fclose(dl->file);
dl->file = NULL;
}
curl_handles--;
result = msg->data.result;
switch (result) {
//for some reason curl returns CURLE_OK for a 404...
case CURLE_HTTP_RETURNED_ERROR:
case CURLE_OK:
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
if (result == CURLE_OK && response == 200) {
//success
break;
}
err = http_strerror(response);
//404 is non-fatal
if (response == 404) {
level = PRINT_ALL;
goto fail1;
}
//every other code is treated as fatal
//not marking download as done since
//we are falling back to UDP
level = PRINT_ERROR;
fatal_error = qtrue;
goto fail2;
case CURLE_COULDNT_RESOLVE_HOST:
case CURLE_COULDNT_CONNECT:
case CURLE_COULDNT_RESOLVE_PROXY:
//connection problems are fatal
err = curl_easy_strerror(result);
level = PRINT_ERROR;
fatal_error = qtrue;
goto fail2;
default:
err = curl_easy_strerror(result);
level = PRINT_WARNING;
fail1:
//we mark download as done even if it errored
//to prevent multiple attempts.
CL_FinishDownload(dl->queue);
fail2:
Com_LPrintf(level,
"[HTTP] %s [%s] [%d remaining file%s]\n",
dl->queue->path, err, cls.download.pending,
cls.download.pending == 1 ? "" : "s");
if (dl->path[0]) {
remove(dl->path);
dl->path[0] = 0;
}
if (dl->buffer) {
Z_Free(dl->buffer);
dl->buffer = NULL;
}
curl_multi_remove_handle(curl_multi, curl);
continue;
}
//mark as done
CL_FinishDownload(dl->queue);
//show some stats
curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME, &sec);
curl_easy_getinfo(curl, CURLINFO_SIZE_DOWNLOAD, &bytes);
if (sec < 0.001)
sec = 0.001;
Com_FormatSizeLong(size, sizeof(size), bytes);
Com_FormatSizeLong(speed, sizeof(speed), bytes / sec);
//FIXME:
//technically i shouldn't need to do this as curl will auto reuse the
//existing handle when you change the url. however, the curl_handles goes
//all weird when reusing a download slot in this way. if you can figure
//out why, please let me know.
curl_multi_remove_handle(curl_multi, curl);
Com_Printf("[HTTP] %s [%s, %s/sec] [%d remaining file%s]\n",
dl->queue->path, size, speed, cls.download.pending,
cls.download.pending == 1 ? "" : "s");
if (dl->path[0]) {
//rename the temp file
Q_snprintf(temp, sizeof(temp), "%s/%s", fs_gamedir, dl->queue->path);
if (rename(dl->path, temp))
Com_EPrintf("[HTTP] Failed to rename '%s' to '%s': %s\n",
dl->path, dl->queue->path, strerror(errno));
dl->path[0] = 0;
//a pak file is very special...
if (dl->queue->type == DL_PAK) {
CL_RestartFilesystem(qfalse);
rescan_queue();
}
} else if (!fatal_error) {
parse_file_list(dl);
}
} while (msgs_in_queue > 0);
//fatal error occured, disable HTTP
if (fatal_error) {
abort_downloads();
return qfalse;
}
// see if we have more to dl
CL_RequestNextDownload();
return qtrue;
}
