GNU CommonC++
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A more natural C++ "unixstream" class for use by non-threaded applications. More...
#include <unix.h>
Public Member Functions | |
unixstream () | |
Construct an unopened "tcpstream" object. | |
unixstream (const char *pathname, int buffer=512) | |
Construct and "open" (connect) the tcp stream to a remote socket. | |
unixstream (UnixSocket &unixsock, int buffer=512) | |
Construct and "accept" (connect) the tcp stream through a server. | |
void | open (const char *pathname, int buffer=512) |
Open a tcp stream connection. | |
void | open (UnixSocket &unixsock, int buffer=512) |
Open a tcp stream connection by accepting a tcp socket. | |
void | close (void) |
Close the active tcp stream connection. | |
bool | operator! () const |
Test to see if stream is open. | |
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UnixStream (UnixSocket &server, int size=512, bool throwflag=true, timeout_t timeout=0) | |
Create a Unix domain stream by accepting a connection from a bound Unix domain socket acting as a server. | |
UnixStream (const char *pathname, int size=512, bool throwflag=true, timeout_t to=0) | |
Create a Unix domain stream by connecting to a Unix domain socket. | |
void | setTimeout (timeout_t to) |
Set the I/O operation timeout for socket I/O operations. | |
UnixStream (const UnixStream &source) | |
A copy constructor creates a new stream buffer. | |
virtual | ~UnixStream () |
Flush and empty all buffers, and then remove the allocated buffers. | |
int | sync (void) |
Flushes the stream input and output buffers, writes pending output. | |
bool | isPending (Pending pend, timeout_t timeout=TIMEOUT_INF) |
Get the status of pending stream data. | |
int | getBufferSize (void) const |
Return the size of the current stream buffering used. | |
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virtual | ~Socket () |
The socket base class may be "thrown" as a result of an error, and the "catcher" may then choose to destroy the object. | |
Socket & | operator= (const Socket &from) |
Sockets may also be duplicated by the assignment operator. | |
virtual IPV4Host | getIPV4Sender (tpport_t *port=NULL) const |
May be used to examine the origin of data waiting in the socket receive queue. | |
IPV4Host | getSender (tpport_t *port=NULL) const |
virtual IPV6Host | getIPV6Sender (tpport_t *port=NULL) const |
IPV4Host | getIPV4Peer (tpport_t *port=NULL) const |
Get the host address and port of the socket this socket is connected to. | |
IPV4Host | getPeer (tpport_t *port=NULL) const |
IPV6Host | getIPV6Peer (tpport_t *port=NULL) const |
IPV4Host | getIPV4Local (tpport_t *port=NULL) const |
Get the local address and port number this socket is currently bound to. | |
IPV4Host | getLocal (tpport_t *port=NULL) const |
IPV6Host | getIPV6Local (tpport_t *port=NULL) const |
IPV4Host | getIPV4NAT (tpport_t *port=NULL) const |
Perform NAT table lookup for this socket. | |
IPV4Host | getNAT (tpport_t *port) const |
IPV6Host | getIPV6NAT (tpport_t *port=NULL) const |
void | setCompletion (bool immediate) |
Used to specify blocking mode for the socket. | |
Error | setLinger (bool linger) |
Enable lingering sockets on close. | |
Error | setKeepAlive (bool enable) |
Set the keep-alive status of this socket and if keep-alive messages will be sent. | |
Error | setTypeOfService (Tos service) |
Set packet scheduling on platforms which support ip quality of service conventions. | |
bool | isConnected (void) const |
Can test to see if this socket is "connected", and hence whether a "catch" can safely call getPeer(). | |
bool | isActive (void) const |
Test to see if the socket is at least operating or if it is mearly initialized. | |
bool | operator! () const |
Operator based testing to see if a socket is currently active. | |
bool | isBroadcast (void) const |
Return if broadcast has been enabled for the specified socket. | |
bool | isRouted (void) const |
Return if socket routing is enabled. | |
Error | getErrorNumber (void) const |
Often used by a "catch" to fetch the last error of a thrown socket. | |
const char * | getErrorString (void) const |
Often used by a "catch" to fetch the user set error string of a thrown socket, but only if EXTENDED error codes are used. | |
long | getSystemError (void) const |
const char * | getSystemErrorString (void) const |
virtual bool | isPending (Pending pend, timeout_t timeout=TIMEOUT_INF) |
Get the status of pending operations. | |
Additional Inherited Members | ||
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enum | Family { IPV6 = AF_INET6 , IPV4 = AF_INET } | |
enum | Error { errSuccess = 0 , errCreateFailed , errCopyFailed , errInput , errInputInterrupt , errResourceFailure , errOutput , errOutputInterrupt , errNotConnected , errConnectRefused , errConnectRejected , errConnectTimeout , errConnectFailed , errConnectInvalid , errConnectBusy , errConnectNoRoute , errBindingFailed , errBroadcastDenied , errRoutingDenied , errKeepaliveDenied , errServiceDenied , errServiceUnavailable , errMulticastDisabled , errTimeout , errNoDelay , errExtended , errLookupFail , errSearchErr , errInvalidValue } | |
enum | Tos { tosLowDelay = 0 , tosThroughput , tosReliability , tosMinCost , tosInvalid } | |
enum | Pending { pendingInput , pendingOutput , pendingError } | |
typedef enum Family | Family | |
typedef enum Error | Error | |
typedef enum Tos | Tos | |
typedef enum Pending | Pending | |
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static bool | check (Family fam) | |
See if a specific protocol family is available in the current runtime environment. | ||
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enum | State { INITIAL , AVAILABLE , BOUND , CONNECTED , CONNECTING , STREAM } | |
typedef enum State | State | |
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UnixStream (bool throwflag=true) | ||
The constructor required for "unixstream", a more C++ style version of the TCPStream class. | ||
void | allocate (int size) | |
Used to allocate the buffer space needed for iostream operations. | ||
void | endStream (void) | |
Used to terminate the buffer space and cleanup the socket connection. | ||
virtual int | underflow (void) | |
This streambuf method is used to load the input buffer through the established unix domain socket connection. | ||
int | uflow (void) | |
This streambuf method is used for doing unbuffered reads through the established unix domain socket connection when in interactive mode. | ||
int | overflow (int ch) | |
This streambuf method is used to write the output buffer through the established unix domain connection. | ||
void | connect (const char *pathname, int size) | |
Create a Unix domain stream by connecting to a Unix domain socket. | ||
std::iostream * | unixstr (void) | |
Used in derived classes to refer to the current object via it's iostream. | ||
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Error | error (Error error, const char *err=NULL, long systemError=0) const | |
This service is used to throw all socket errors which usually occur during the socket constructor. | ||
void | error (const char *err) const | |
This service is used to throw application defined socket errors where the application specific error code is a string. | ||
void | setError (bool enable) | |
This service is used to turn the error handler on or off for "throwing" exceptions by manipulating the thrown flag. | ||
void | endSocket (void) | |
Used as the default destructor for ending a socket. | ||
Error | connectError (void) | |
Used as a common handler for connection failure processing. | ||
Error | sendLimit (int limit=2048) | |
Set the send limit. | ||
Error | receiveLimit (int limit=1) | |
Set thr receive limit. | ||
Error | sendTimeout (timeout_t timer) | |
Set the send timeout for sending raw network data. | ||
Error | receiveTimeout (timeout_t timer) | |
Receive timeout for receiving raw network data. | ||
Error | sendBuffer (unsigned size) | |
Set the protocol stack network kernel send buffer size associated with the socket. | ||
Error | receiveBuffer (unsigned size) | |
Set the protocol stack network kernel receive buffer size associated with the socket. | ||
Error | bufferSize (unsigned size) | |
Set the total protocol stack network kernel buffer size for both send and receive together. | ||
Error | setBroadcast (bool enable) | |
Set the subnet broadcast flag for the socket. | ||
Error | setMulticastByFamily (bool enable, Family family=IPV4) | |
Setting multicast binds the multicast interface used for the socket to the interface the socket itself has been implicitly bound to. | ||
Error | setLoopbackByFamily (bool enable, Family family=IPV4) | |
Set the multicast loopback flag for the socket. | ||
Error | setTimeToLiveByFamily (unsigned char ttl, Family fam=IPV4) | |
Set the multicast time to live for a multicast socket. | ||
Error | join (const IPV4Multicast &ia) | |
Join a multicast group. | ||
Error | join (const IPV6Multicast &ia) | |
Error | drop (const IPV4Multicast &ia) | |
Drop membership from a multicast group. | ||
Error | drop (const IPV6Multicast &ia) | |
Error | setRouting (bool enable) | |
Set the socket routing to indicate if outgoing messages should bypass normal routing (set false). | ||
Error | setNoDelay (bool enable) | |
Enable/disable delaying packets (Nagle algorithm) | ||
Socket (int domain, int type, int protocol=0) | ||
An unconnected socket may be created directly on the local machine. | ||
Socket (SOCKET fd) | ||
A socket object may be created from a file descriptor when that descriptor was created either through a socket() or accept() call. | ||
Socket () | ||
Create an inactive socket object for base constructors. | ||
Socket (const Socket &source) | ||
A socket can also be constructed from an already existing Socket object. | ||
ssize_t | readLine (char *buf, size_t len, timeout_t timeout=0) | |
Process a logical input line from a socket descriptor directly. | ||
virtual ssize_t | readData (void *buf, size_t len, char separator=0, timeout_t t=0) | |
Read in a block of len bytes with specific separator. | ||
virtual ssize_t | writeData (const void *buf, size_t len, timeout_t t=0) | |
Write a block of len bytes to socket. | ||
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timeout_t | timeout | |
int | bufsize | |
char * | gbuf | |
char * | pbuf | |
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struct { | ||
bool thrown: 1 | ||
bool broadcast: 1 | ||
bool route: 1 | ||
bool keepalive: 1 | ||
bool loopback: 1 | ||
bool multicast: 1 | ||
bool completion: 1 | ||
bool linger: 1 | ||
unsigned ttl: 8 | ||
} | flags | |
SOCKET volatile | so | |
the actual socket descriptor, in Windows, unlike posix it cannot be used as an file descriptor that way madness lies – jfc | ||
State volatile | state | |
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static Mutex | mutex | |
A more natural C++ "unixstream" class for use by non-threaded applications.
This class behaves a lot more like fstream and similar classes.
C++ "fstream" style unixstream class.
ost::unixstream::unixstream | ( | ) |
Construct an unopened "tcpstream" object.
ost::unixstream::unixstream | ( | const char * | pathname, |
int | buffer = 512 |
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Construct and "open" (connect) the tcp stream to a remote socket.
pathname | pathname to socket file |
buffer | size for streaming (optional). |
ost::unixstream::unixstream | ( | UnixSocket & | unixsock, |
int | buffer = 512 |
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Construct and "accept" (connect) the tcp stream through a server.
unixsock | socket to accept from. |
buffer | size for streaming (optional). |
void ost::unixstream::close | ( | void | ) |
Close the active tcp stream connection.
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inline |
Open a tcp stream connection.
This will close the currently active connection first.
pathname | pathname to socket file |
buffer | size for streaming (optional) |
References ost::UnixStream::connect().
void ost::unixstream::open | ( | UnixSocket & | unixsock, |
int | buffer = 512 |
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Open a tcp stream connection by accepting a tcp socket.
unixsock | socket to accept from. |
buffer | size for streaming (optional) |
bool ost::unixstream::operator! | ( | ) | const |
Test to see if stream is open.