fd.cc File Reference

#include "squid.h"
#include "comm/Loops.h"
#include "debug/Messages.h"
#include "debug/Stream.h"
#include "fatal.h"
#include "fd.h"
#include "fde.h"
#include "globals.h"

Include dependency graph for fd.cc:

Go to the source code of this file.

Macros
#define	MSG_NOSIGNAL   0

Functions
int	default_read_method (int, char *, int)
int	default_write_method (int, const char *, int)
int	msghdr_read_method (int, char *, int)
int	msghdr_write_method (int, const char *, int)
static void	fdUpdateBiggest (int fd, int)
void	fd_close (int fd)
void	fd_open (int fd, unsigned int type, const char *desc)
void	fd_note (int fd, const char *s)
void	fd_bytes (const int fd, const int len, const IoDirection direction)
void	fdDumpOpen (void)
int	fdNFree (void)
int	fdUsageHigh (void)
void	fdAdjustReserved (void)

Variables
const char *	fdTypeStr []

Macro Definition Documentation

MSG_NOSIGNAL

#define MSG_NOSIGNAL   0

Definition at line 24 of file fd.cc.

Function Documentation

default_read_method()

int default_read_method	(	int	fd,
		char *	buf,
		int	len
	)

Definition at line 129 of file fd.cc.

Referenced by fd_open(), Ssl::Bio::read(), and fde::useDefaultIo().

default_write_method()

int default_write_method	(	int	fd,
		const char *	buf,
		int	len
	)

Definition at line 135 of file fd.cc.

Referenced by fd_open(), fde::useDefaultIo(), and Ssl::Bio::write().

fd_bytes()

void fd_bytes	(	const int	fd,
		const int	len,
		const IoDirection	direction
	)

Definition at line 226 of file fd.cc.

References F(), fd_table, Read, and Write.

Referenced by diskerRead(), diskerWriteAttempts(), diskHandleRead(), diskHandleWrite(), idnsRead(), idnsSendQuery(), logfile_mod_udp_write(), logfileWriteWrapper(), Ftp::Client::readControlReply(), Comm::ReadNow(), Client::sentRequestBody(), Ftp::Client::writeCommandCallback(), and HttpStateData::wroteLast().

fd_close()

void fd_close

(

int

fd

)

Definition at line 81 of file fd.cc.

References assert, debugs, F(), FD_FILE, fd_table, fdUpdateBiggest(), Number_FD, and Comm::ResetSelect().

Referenced by fd_open().

fd_note()

void fd_note	(	int	fd,
		const char *	s
	)

Definition at line 216 of file fd.cc.

References F(), FD_DESC_SZ, fd_table, and xstrncpy().

Referenced by Ftp::Server::AcceptCtrlConnection(), Ftp::Server::acceptDataConnection(), ConnStateData::afterClientRead(), ClientRequestContext::clientRedirectDone(), Ftp::Server::connectedForData(), CreateSession(), FwdState::dispatch(), Server::doClientRead(), fd_open(), httpAccept(), httpsAccept(), icpIncomingConnectionOpened(), icpOpenPorts(), DiskdIOStrategy::init(), ipc_thread_1(), IcmpSquid::Open(), Helper::Client::openSessions(), statefulhelper::openSessions(), ConnStateData::parseTlsHandshake(), ConnStateData::pinConnection(), PconnPool::push(), ConnStateData::readNextRequest(), unlinkdInit(), and Http::Tunneler::writeRequest().

fd_open()

void fd_open	(	int	fd,
		unsigned int	type,
		const char *	desc
	)

Definition at line 156 of file fd.cc.

References assert, DBG_IMPORTANT, debugs, default_read_method(), default_write_method(), F(), fatalf(), fd_close(), FD_FILE, FD_LOG, FD_MSGHDR, fd_note(), FD_PIPE, FD_SOCKET, fd_table, fdUpdateBiggest(), msghdr_read_method(), msghdr_write_method(), and Number_FD.

fdAdjustReserved()

void fdAdjustReserved

(

void

)

Definition at line 288 of file fd.cc.

References DBG_CRITICAL, debugs, fatalf(), last, min(), Number_FD, RESERVED_FD, squid_curtime, and Squid_MaxFD.

Referenced by comm_open_uds(), and comm_openex().

fdDumpOpen()

void fdDumpOpen

(

void

)

Definition at line 244 of file fd.cc.

References debugs, DebugStream(), F(), fd_table, Important, and Squid_MaxFD.

Referenced by SquidShutdown().

fdNFree()

int fdNFree

(

void

)

Definition at line 267 of file fd.cc.

Referenced by StoreEntry::checkCachable(), fdUsageHigh(), GetInfo(), and Comm::TcpAcceptor::okToAccept().

fdUpdateBiggest()

static void fdUpdateBiggest ( int  fd, int  opening  )

static

Definition at line 52 of file fd.cc.

References assert, Biggest_FD, fd_table, and Squid_MaxFD.

Referenced by fd_close(), and fd_open().

fdUsageHigh()

int fdUsageHigh

(

void

)

Definition at line 273 of file fd.cc.

References fdNFree(), Number_FD, and RESERVED_FD.

Referenced by clientReplyContext::buildReplyHeader(), PeerPoolMgr::openNewConnection(), and PconnPool::push().

msghdr_read_method()

int msghdr_read_method	(	int	fd,
		char *	buf,
		int
	)

Definition at line 141 of file fd.cc.

Referenced by fd_open().

msghdr_write_method()

int msghdr_write_method	(	int	fd,
		const char *	buf,
		int	len
	)

Definition at line 147 of file fd.cc.

References MSG_NOSIGNAL.

Referenced by fd_open().

Variable Documentation

fdTypeStr

const char* fdTypeStr[]

Initial value:

= {
    "None",
    "Log",
    "File",
    "Socket",
    "Pipe",
    "MsgHdr",
    "Unknown"
}

Definition at line 39 of file fd.cc.

Referenced by fde::dumpStats(), and examine_select().