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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/ncbi__socket__connector_8c_source.html below:

NCBI C++ ToolKit: src/connect/ncbi_socket_connector.c Source File

hostlen, portlen;

*

, port[16];

portlen = (size_t) sprintf(port,

, xxx->

) + 1

;

hostlen = strlen(xxx->

);

= (

*)

(hostlen + portlen);

memcpy(

, xxx->

, hostlen);

memcpy(

+ hostlen, port, portlen);

(

,

descr && *descr ?

:

,

try_own,

(!sock && !host && !port)

(sock || !host || !port) {

xxx->

= strcpy((

*) xxx +

(*xxx), host);

*

= (

*) xxx +

(*xxx);

xxx->

= try_own ? 1 : 0;

* temp = (

*) xxx +

(*xxx);

xxx->

= strcpy(temp + xxx->

, host);

xxx->

= try_own ? try_own : 1;

max_try)

max_try,

own_sock)

(sock, 0, 0, own_sock, 0, 0, 0);

own_sock,

* hostport)

(sock, hostport, 0, own_sock, 0, 0, 0);

CONNECTOR SOCK_CreateConnectorEx(const char *host, unsigned short port, unsigned short max_try, const void *data, size_t size, TSOCK_Flags flags)

FSetupVTable setup

init meta, may not be NULL

#define CONN_SET_METHOD(meta, method, function, connector)

CONNECTOR SOCK_CreateConnectorOnTop(SOCK sock, unsigned short own_sock)

CONNECTOR next

linked list

const STimeout * default_timeout

default timeout pointer

FDestroy destroy

destroys handle, can be NULL

CONNECTOR SOCK_CreateConnector(const char *host, unsigned short port, unsigned short max_try)

void * handle

data handle of the connector

SMetaConnector * meta

back link to original meta

CONNECTOR SOCK_CreateConnectorOnTopEx(SOCK sock, unsigned short own_sock, const char *hostport)

void SOCK_GetPeerAddress(SOCK sock, unsigned int *host, unsigned short *port, ENH_ByteOrder byte_order)

Get host and port of the socket's peer (remote end).

EIO_Status SOCK_SetTimeout(SOCK sock, EIO_Event event, const STimeout *timeout)

Specify timeout for the connection I/O (see SOCK_[Read|Write|Close]()).

unsigned int SOCK_HostToNetLong(unsigned int value)

See man for the BSDisms, htonl() and htons().

EIO_Status SOCK_Close(SOCK sock)

Close the SOCK handle, and destroy all relevant internal data.

EIO_Status SOCK_Read(SOCK sock, void *buf, size_t size, size_t *n_read, EIO_ReadMethod how)

Read/peek up to "size" bytes from "sock" to a buffer pointed to by "buf".

EIO_Status SOCK_Status(SOCK sock, EIO_Event direction)

Return low-level socket I/O status of *last* socket operation.

EIO_Status SOCK_Wait(SOCK sock, EIO_Event event, const STimeout *timeout)

Block on the socket until either the specified "event" is available or "timeout" expires (if "timeout...

EIO_Status SOCK_CreateEx(const char *host, unsigned short port, const STimeout *timeout, SOCK *sock, const void *data, size_t size, TSOCK_Flags flags)

[CLIENT-side] Connect client to another(server-side, listening) socket (socket() + connect() [+ selec...

int SOCK_ntoa(unsigned int addr, char *buf, size_t bufsize)

Convert IP address to a string in dotted notation.

EIO_Status SOCK_Write(SOCK sock, const void *data, size_t size, size_t *n_written, EIO_WriteMethod how)

Write "size" bytes of "data" to "sock".

unsigned int TSOCK_Flags

bitwise "OR" of ESOCK_Flags

EIO_Event

I/O event (or direction).

@ eIO_Success

everything is fine, no error occurred

@ eIO_InvalidArg

bad argument / parameter value(s) supplied

@ eIO_ReadPlain

read readily available data only, wait if none

@ eIO_WritePlain

write as much as possible, report back how much

@ eIO_Close

also serves as an error indicator in SOCK_Poll

static const CS_INT unused

const struct ncbi::grid::netcache::search::fields::SIZE size

#define CORE_LOGF_X(subcode, level, fmt_args)

const char g_kNcbiSockNameAbbr[]

static CONNECTOR s_Init(SOCK sock, const char *host, unsigned short port, unsigned short try_own, const void *data, size_t size, TSOCK_Flags flags)

static char * s_VT_Descr(CONNECTOR connector)

static EIO_Status s_VT_Write(CONNECTOR connector, const void *buf, size_t size, size_t *n_written, const STimeout *timeout)

static EIO_Status s_VT_Read(CONNECTOR connector, void *buf, size_t size, size_t *n_read, const STimeout *timeout)

static const char * s_VT_GetType(CONNECTOR connector)

static EIO_Status s_VT_Close(CONNECTOR connector, const STimeout *timeout)

static const char * x_GetType(SSockConnector *unused)

static EIO_Status s_VT_Open(CONNECTOR connector, const STimeout *timeout)

static void s_Setup(CONNECTOR connector)

static EIO_Status s_VT_Status(CONNECTOR connector, EIO_Event dir)

static EIO_Status s_VT_Wait(CONNECTOR connector, EIO_Event event, const STimeout *timeout)

static void s_Destroy(CONNECTOR connector)

static char * x_Descr(SSockConnector *xxx)

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