Bredbandskollen CLI
1.2
Asynchronous network task engine
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Listen on a single socket for incoming connections. More...
#include <serversocket.h>
Public Member Functions | |
ServerSocket (const std::string &label, Task *task, uint16_t port, const std::string &ip="127.0.0.1") | |
Create a new server socket. More... | |
ServerSocket (int fd, const std::string &label, Task *owner) | |
Create a new server to listen on an existing file descriptor. | |
std::string | cacheLabel () override |
Server sockets shall not be cached. | |
void | stopListening () |
Schedule listen socket for removal. | |
virtual SocketConnection * | incoming () |
Return Connection object if new client available, else return nullptr. | |
void | tlsSetKey (unsigned int i) |
unsigned int | tlsKey () const |
Public Member Functions inherited from Socket | |
Socket (const std::string &label, Task *owner, const std::string &hostname, uint16_t port) | |
Socket (const std::string &label, Task *owner, int fd) | |
Task * | owner () const |
Return task owning the socket. | |
std::string | hostname () const |
Return name of the host to which the socket is supposed to connect. | |
uint16_t | port () const |
Return port number to which the socket is supposed to connect. | |
PollState | state () const |
Return current socket state. | |
int | getUnixDomainPeer () const |
Return the peer socket descriptor. More... | |
int | id () const |
Return unique connection ID if connected. More... | |
virtual void | setOwner (Task *t) |
Set the given task as owner of the socket. | |
void | setExpiry (double s) |
Set a time to live for the socket. More... | |
bool | hasExpired (const TimePoint &when) const |
Return true if the given TimePoint is after the socket's expiry. | |
const char * | localIp () const |
Return local IP address in static buffer. | |
struct addrinfo * | getAddressInfo (uint16_t iptype=0) |
Perform DNS lookup of remote host. | |
Public Member Functions inherited from Logger | |
Logger (std::string label) | |
std::string | label () const |
Return the object's log label. | |
void | resetLabel (const std::string &new_label) |
Modify the object's log label. | |
Additional Inherited Members | |
Static Public Member Functions inherited from Socket | |
static const char * | getIp (int fd, uint16_t *port=nullptr, bool peer=true) |
Return IP address of connected socket in static buffer. More... | |
static const char * | getIp (struct sockaddr *address, uint16_t *port=nullptr) |
Return IP address in static buffer. | |
static const char * | getIp (struct addrinfo *address, uint16_t *port=nullptr) |
Return IP address in static buffer. | |
Static Public Member Functions inherited from Logger | |
static void | setLogFile (std::ostream &stream) |
Set global log destination. More... | |
static void | reopenLogFile (const std::string &filename) |
If current log is a file (ofstream), reopen it with new filename: | |
static void | setLogLimit (unsigned int loglines=0, unsigned int warnlines=0, unsigned int errlines=0) |
Set max number of lines of info/warn/err log. More... | |
static void | sayTime (std::ostream &stream) |
Write current local time to the given stream. | |
static bool | inError () |
Return true if any error has been logged (globally since start) | |
static std::ostream & | err_log (const std::string &label) |
Write a line of error log. More... | |
static std::ostream & | warn_log (const std::string &label) |
Write a line of warning log. More... | |
static std::ostream & | log (const std::string &label) |
Write a line of info log. More... | |
static void | flushLogFile () |
static void | pauseLogging () |
Disable all log output until next call to Logger::setLogFile. | |
static double | secondsSince (const TimePoint &t) |
static double | secondsTo (const TimePoint &t) |
static int64_t | msSince (const TimePoint &t) |
static int64_t | msTo (const TimePoint &t) |
static bool | hasExpired (const TimePoint &t) |
Return true if current time is after the given TimePoint. | |
static TimePoint | timeNow () |
Return current time. | |
static TimePoint | timeAfter (double s) |
Return current time plus s seconds. | |
static TimePoint | timeMax () |
Return a very distant time. | |
static std::chrono::microseconds | toUs (double t) |
Convert s (seconds) to std::chrono::microseconds. | |
static std::string | dateString (time_t t=0) |
Return local time, formatted as 2023-10-14T09:38:47+0200. | |
static std::string | dateString2 (time_t t=0) |
Return local time, formatted as Sat, 14 Oct 2023 09:38:47. | |
static std::string | createHashKey (unsigned int length=20) |
Return a random string. More... | |
Protected Member Functions inherited from Socket | |
virtual bool | wantToSend () |
Return true if socket is watched for writeability. | |
virtual PollState | checkReadBlock () |
This will be called regularly on READ_BLOCKED sockets to check if the block can be lifted. More... | |
void | setWantToSend () |
Notify intention of sending large amounts of data. More... | |
int | socket () const |
Return file descriptor. | |
void | closeMe () |
Tell the network engine that the connection should be closed. | |
void | createNonBlockingSocket (struct addrinfo *addressEntry, struct addrinfo *localAddr=nullptr) |
Create socket and initiate the connection. More... | |
bool | setNonBlocking (int fd) |
Set socket as non-blocking. | |
bool | inError () const |
Return true if the socket has encountered a fatal error. | |
Protected Member Functions inherited from Logger | |
std::ostream & | errno_log () const |
Write a line of error log after a failed system call has set the global errno to a non-zero value. More... | |
std::ostream & | err_log () const |
Write a line of error log. More... | |
std::ostream & | warn_log () const |
Write a line of warning log. More... | |
std::ostream & | log () const |
Write a line of info log. More... | |
std::ostream & | dbg_log () const |
Write a line of debug log. More... | |
Static Protected Member Functions inherited from Socket | |
static bool | isTempError () |
Return true unless last syscall encountered a fatal error. | |
static int | closeSocket (int fd) |
Close a file descriptor. | |
static bool | socketInError (int fd) |
Return true if the file descriptor has encountered a fatal error. | |
Listen on a single socket for incoming connections.
The owner task decides what to do when someone tries to connect.
ServerSocket::ServerSocket | ( | const std::string & | label, |
Task * | task, | ||
uint16_t | port, | ||
const std::string & | ip = "127.0.0.1" |
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Create a new server socket.
Will listen on the given ip address and port number.
Note! If ip is an empty string, the socket will listen on all local IPv4 and IPv6 addresses.