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%% options
copyright owner = Dirk Krause
copyright year = 2015-xxxx
SPDX-License-Identifier: BSD-3-Clause
%% module
#include "dk4conf.h"
#include "dk4sock.h"
#include <stdio.h>
#if DK4_HAVE_ERRNO_H
#ifndef ERRNO_H_INCLUDED
#include <errno.h>
#define ERRNO_H_INCLUDED 1
#endif
#endif
#if DK4_HAVE_UNISTD_H
#ifndef UNISTD_H_INCLUDED
#include <unistd.h>
#define UNISTD_H_INCLUDED 1
#endif
#endif
#if DK4_HAVE_IO_H
#ifndef IO_H_INCLUDED
#include <io.h>
#define IO_H_INCLUDED 1
#endif
#endif
#if DK4_HAVE_STRINGS_H
#ifndef STRINGS_H_INCLUDED
#include <strings.h>
#define STRINGS_H_INCLUDED 1
#endif
#endif
#include "dk4mem.h"
#if DK4_HAVE_ASSERT_H
#ifndef ASSERT_H_INCLUDED
#include <assert.h>
#define ASSERT_H_INCLUDED 1
#endif
#endif
$!trace-include
int
dk4socket_connect(
dk4_socket_t sock,
const struct sockaddr *pAddr,
size_t szAddr,
dk4_er_t *erp
)
{
int back = DK4_SOCKET_RESULT_FAILED;
int errc = 0;
$? "+ dk4socket_connect"
#if DK4_USE_ASSERT
assert(INVALID_SOCKET != sock);
assert(NULL != pAddr);
assert(0 < szAddr);
#endif
if ((INVALID_SOCKET != sock) && (NULL != pAddr) && (0 < szAddr)) {
$? ". args PTR=%d %lu", TR_IPTR(pAddr), (unsigned long)szAddr
(void)dk4socket_correct_addr_lgt(pAddr, &szAddr);
dk4socket_error_reset();
#if DK4_HAVE_SOCKLEN_T
if (0 == connect(sock, pAddr, (socklen_t)szAddr))
#else
if (0 == connect(sock, pAddr, (int)szAddr))
#endif
{
back = DK4_SOCKET_RESULT_SUCCESS;
$? ". connect() = 0"
}
else
{
errc = dk4socket_error_get();
$? "! connect() != 0, error code = %d", errc
#if DK4_ON_WINDOWS
if (WSAEWOULDBLOCK == errc)
#else
if (EINPROGRESS == errc)
#endif
{
back = DK4_SOCKET_RESULT_IN_PROGRESS;
$? ". would block"
}
else
{
dk4error_set_idetails(erp, DK4_E_SOCKET_CONNECT, errc);
$? "! any error"
}
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
$? "! args"
}
$? "- dk4socket_connect %d", back
return back;
}
#if DK4_HAVE_STRUCT_SOCKADDR_UN
/** Create a UNIX domain socket in client mode.
@param filename File name, max 107 characters long.
@param erp Error report, may be NULL.
@return Valid socket on success, INVALID_SOCKET on error.
*/
dk4_socket_t
dk4socket_c8_unix_client(
const char *filename,
dk4_er_t *erp
)
{
struct sockaddr_un soun;
size_t slen;
dk4_socket_t back = INVALID_SOCKET;
int res;
#if DK4_USE_ASSERT
assert(NULL != filename);
assert(108 > strlen(filename));
#endif
if (NULL != filename) {
if (108 > strlen(filename)) {
DK4_MEMRES(&soun, sizeof(soun));
soun.sun_family = AF_UNIX;
strcpy(soun.sun_path, filename);
slen = dk4socket_unix_length(&soun);
back = dk4socket_open(AF_UNIX, SOCK_STREAM, 0, erp);
if (INVALID_SOCKET != back) {
res = dk4socket_connect(
back, (const struct sockaddr *)(&soun), slen, erp
);
if (DK4_SOCKET_RESULT_SUCCESS != res) {
(void)dk4socket_close(back, NULL);
back = INVALID_SOCKET;
}
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
return back;
}
#endif
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