本文整理汇总了C++中SafeBuf::reserve2x方法的典型用法代码示例。如果您正苦于以下问题：C++ SafeBuf::reserve2x方法的具体用法？C++ SafeBuf::reserve2x怎么用？C++ SafeBuf::reserve2x使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SafeBuf的用法示例。
在下文中一共展示了SafeBuf::reserve2x方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: gotTitleRec
// . make a web page from results stored in msg40
// . send it on TcpSocket "s" when done
// . returns false if blocked, true otherwise
// . sets g_errno on error
bool gotTitleRec ( void *state ) {
// cast the State4 out
State4 *st = (State4 *) state;
// get the socket
TcpSocket *s = st->m_socket;
SafeBuf sb;
// get it's docId
long long docId = st->m_docId;
// make the query string for passing to different hosts
char qs[64];
sprintf(qs,"&d=%lli",docId);
if ( docId==0LL ) qs[0] = 0;
// print standard header
sb.reserve2x ( 32768 );
g_pages.printAdminTop (&sb, st->m_socket, &st->m_r );
//PAGE_TITLEDB,
// st->m_username,//NULL ,
// st->m_coll , st->m_pwd , s->m_ip , qs );
// shortcut
XmlDoc *xd = &st->m_xd;
// . deal with errors
// . print none if non title rec at or after the provided docId
if ( g_errno || docId == 0LL || xd->m_titleRecBuf.length() <= 0 ) {
// print docId in box
sb.safePrintf ( "<center>\nEnter docId: "
"<input type=text name=d value=%lli size=15>",
docId);
sb.safePrintf ( "</form><br>\n" );
if ( docId == 0 )
sb.safePrintf("<br>");
else if ( g_errno )
sb.safePrintf("<br><br>Error = %s",mstrerror(g_errno));
else
sb.safePrintf("<br><br>No titleRec for that docId "
"or higher");
// print where it should be
//unsigned long gid = getGroupIdFromDocId ( docId );
//Host *hosts = g_hostdb.getGroup(gid);
long shardNum = getShardNumFromDocId ( docId );
Host *hosts = g_hostdb.getShard ( shardNum );
long hostId = -1;
if ( hosts ) hostId = hosts[0].m_hostId;
sb.safePrintf("<br><br>docId on host #%li and twins.",hostId);
sb.safePrintf ( "\n</center>" );
mdelete ( st , sizeof(State4) , "PageTitledb");
delete (st);
// erase g_errno for sending
g_errno = 0;
// now encapsulate it in html head/tail and send it off
return g_httpServer.sendDynamicPage ( s ,
sb.getBufStart(),
sb.length() );
}
// print docId in box
sb.safePrintf ("<br>\n"
"<center>Enter docId: "
"<input type=text name=d value=%lli size=15>", docId );
// print where it should be
//unsigned long gid = getGroupIdFromDocId ( docId );
//Host *hosts = g_hostdb.getGroup(gid);
long shardNum = getShardNumFromDocId ( docId );
Host *hosts = g_hostdb.getShard ( shardNum );
long hostId = -1;
if ( hosts ) hostId = hosts[0].m_hostId;
sb.safePrintf("<br><br>docId on host #%li and twins.",hostId);
sb.safePrintf ( "</form><br>\n" );
//char *coll = st->m_coll;
Title *ti = xd->getTitle();
if ( ! ti ) {
log ( "admin: Could not set title" );
return g_httpServer.sendErrorReply(s,500,mstrerror(g_errno));
}
// sanity check. should not block
if ( ! xd->m_titleValid ) { char *xx=NULL;*xx=0; }
// print it out
xd->printDoc ( &sb );
// don't forget to cleanup
mdelete ( st , sizeof(State4) , "PageTitledb");
delete (st);
// now encapsulate it in html head/tail and send it off
return g_httpServer.sendDynamicPage (s, sb.getBufStart(), sb.length());
}