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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2015-xxxx
license		=	bsd



%%	module

#define	TEST_SOCK_USE_APP		1
#define	TEST_SOCK_REMOTE_SERVER		"s-ka.e-technik.fh-schmalkalden.de"
#define	TEST_SOCK_REMOTE_PORT		80
#define	TEST_SOCK_LOCAL_PORT		55555
#define	TEST_SOCK_TIMEOUT_SEC		0L
#define	TEST_SOCK_TIMEOUT_USEC		0L

#include "dk4conf.h"
#include "dk4app.h"
#include "dk4sock.h"
#include "dk4socka.h"
#include "dk4vers.h"
#include "dk4fput.h"



$!trace-include



static const dkChar server[] = { dkT("s-ka.e-technik.fh-schmalkalden.de") };

static const char request[] = {
  "GET /index.html HTTP/1.0\r\n\r\n"
};


static const dkChar * const	help_text[] = {
$!string-table	macro=dkT
Nix Hilfe!
$!end
};

static const dkChar * const	license_text[] = {
$!string-table	macro=dkT
BSD
$!end
};

static const dkChar * const	kw_def[] = {
$!string-table	macro=dkT
#
#	0
#
Failed to create socket!
#
#	1
#
Failed to bring Winsock up!
#
#	2
#
Failed to send data!
$!end
};

static size_t sz_kw_def = sizeof(kw_def)/sizeof(DK4_PCDKCHAR);

/**     Main function.
        @param  argc    Number of command line arguments.
        @param  argv    Command line arguments array.
        @return 0 on success, all other values indicate errors.
*/
#if DK4_CHAR_SIZE > 1
int wmain(int argc, wchar_t *argv[])
#else
int main(int argc, char *argv[])
#endif
{
#if TEST_SOCK_USE_APP
  char		buf[512];
  dk4_app_t	*app	= NULL;
  size_t	rql;
  dk4_socket_t	sock;
#if DK4_ON_WINDOWS
  int		bytes;
#else
  ssize_t	bytes;
#endif
  $!trace-init test-sock.deb
  $? "+ main"
  dk4fput_initialize_stderr();
  app = dk4app_open_cmd(
    argc, argv, NULL, 0, dkT("dktools"), DKT_VERSION_DK,
    dkT("test-sock.txt"), help_text, license_text
  );
  if (NULL != app) {
    if (DK4_SOCKET_RESULT_SUCCESS == dk4socket_up_app(app)) {	$? ". up"
      rql = strlen(request);
      sock = dk4socket_tcp_client_for_host_port_app(
        server, TEST_SOCK_REMOTE_PORT, TEST_SOCK_LOCAL_PORT,
        TEST_SOCK_TIMEOUT_SEC, TEST_SOCK_TIMEOUT_USEC, app
      );
      if (INVALID_SOCKET != sock) {		$? ". socket ok"
        bytes = send(sock, request, rql, 0);
        if (bytes == rql) {			$? ". send ok"
          do {
	    bytes = recv(sock, buf, sizeof(buf), 0);
	    if (0 < bytes) {
	      fwrite(buf, 1, bytes, stdout);
	    }
	  } while(0 < bytes);
	  fputc('\n', stdout);
        } else {					$? "! send failed"
	  dk4app_log_1(app, kw_def, sz_kw_def, DK4_LL_ERROR, 2);
        }
        dk4socket_close(sock, NULL);
      } else {					$? "! invalid socket"
	dk4app_log_1(app, kw_def, sz_kw_def, DK4_LL_ERROR, 0);
      }
      dk4socket_down_app(app);
    } else {					$? "! Winsock up"
      dk4app_log_1(app, kw_def, sz_kw_def, DK4_LL_ERROR, 1);
    }
    dk4app_close(app);
  }
  fflush(stderr);
  dk4fput_cleanup_stderr();
  $? "- main"
  $!trace-end
  exit(0); return 0;
#else
  char		buf[512];
  size_t	rql;
  dk4_socket_t	sock;
#if DK4_ON_WINDOWS
  int		bytes;
#else
  ssize_t	bytes;
#endif
  $!trace-init test-sock.deb
  $? "+ main"
  rql = strlen(request);
  if (DK4_SOCKET_RESULT_SUCCESS == dk4socket_up(NULL)) {	$? ". up"
    sock = dk4socket_tcp_client_host_port(
      server, TEST_SOCK_REMOTE_PORT, TEST_SOCK_LOCAL_PORT,
      TEST_SOCK_TIMEOUT_SEC, TEST_SOCK_TIMEOUT_USEC, NULL
    );
    if (INVALID_SOCKET != sock) {	$? ". socket"
      bytes = send(sock, request, rql, 0);
      if (bytes == rql) {		$? ". send"
        do {
	  bytes = recv(sock, buf, sizeof(buf), 0);
	  if (0 < bytes) {
	    fwrite(buf, 1, bytes, stdout);
	  }
	} while(0 < bytes);
	fputc('\n', stdout);
      } else {				$? "! send"
      }
      dk4socket_close(sock, NULL);
    } else {				$? "! socket"
    }
    dk4socket_down(NULL);
  } else {				$? "! failed to bring Winsock up"
  }
  $? "- main"
  $!trace-end
  exit(0); return 0;
#endif
}