test/capture.c

   1 /* libmpdclient
   2    (c) 2003-2017 The Music Player Daemon Project
   3    This project's homepage is: http://www.musicpd.org
   4
   5    Redistribution and use in source and binary forms, with or without
   6    modification, are permitted provided that the following conditions
   7    are met:
   8
   9    - Redistributions of source code must retain the above copyright
  10    notice, this list of conditions and the following disclaimer.
  11
  12    - Redistributions in binary form must reproduce the above copyright
  13    notice, this list of conditions and the following disclaimer in the
  14    documentation and/or other materials provided with the distribution.
  15
  16    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19    A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
  20    CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  21    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  22    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  23    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  24    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  25    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  26    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 */
  28
  29 #include "capture.h"
  30
  31 #include <mpd/connection.h>
  32 #include <mpd/async.h>
  33
  34 #include <stdio.h>
  35 #include <string.h>
  36
  37 #ifdef _WIN32
  38 #  include <winsock2.h>
  39 #  include <basetsd.h> /* for SSIZE_T */
  40 typedef SSIZE_T ssize_t;
  41 #else
  42 #  include <sys/socket.h>
  43 #  include <unistd.h>
  44 #endif
  45
  46 struct mpd_connection *
  47 test_capture_init(struct test_capture *tc)
  48 {
  49         int sv[2];
  50
  51         if (socketpair(AF_LOCAL, SOCK_STREAM, 0, sv) < 0) {
  52                 perror("socketpair() failed");
  53                 return NULL;
  54         }
  55
  56         tc->fd = sv[0];
  57
  58         struct mpd_async *async = mpd_async_new(sv[1]);
  59         if (async == NULL) {
  60                 close(sv[0]);
  61                 close(sv[1]);
  62                 return NULL;
  63         }
  64
  65         struct mpd_connection *c =
  66                 mpd_connection_new_async(async, "OK MPD 0.21.0");
  67         if (c == NULL) {
  68                 mpd_async_free(async);
  69                 close(sv[0]);
  70                 return NULL;
  71         }
  72
  73         return c;
  74 }
  75
  76 void
  77 test_capture_deinit(struct test_capture *tc)
  78 {
  79         close(tc->fd);
  80 }
  81
  82 const char *
  83 test_capture_receive(struct test_capture *tc)
  84 {
  85         ssize_t nbytes = recv(tc->fd, tc->buffer, sizeof(tc->buffer) - 1,
  86                               MSG_DONTWAIT);
  87         if (nbytes < 0) {
  88                 perror("recv() failed");
  89                 return NULL;
  90         }
  91
  92         tc->buffer[nbytes] = 0;
  93         return tc->buffer;
  94 }
  95
  96 bool
  97 test_capture_send(struct test_capture *tc, const char *response)
  98 {
  99         ssize_t nbytes = send(tc->fd, response, strlen(response),
 100                               MSG_DONTWAIT);
 101         if (nbytes < 0) {
 102                 perror("send() failed");
 103                 return false;
 104         }
 105
 106         return true;
 107 }