xref: /libuv/test/test-osx-select.c (revision 011a1ac1)
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14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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20  */
21 
22 #include "uv.h"
23 #include "task.h"
24 
25 #ifdef __APPLE__
26 
27 #include <sys/ioctl.h>
28 #include <string.h>
29 
30 static int read_count;
31 
32 
alloc_cb(uv_handle_t * handle,size_t size,uv_buf_t * buf)33 static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
34   static char slab[1024];
35   buf->base = slab;
36   buf->len = sizeof(slab);
37 }
38 
39 
read_cb(uv_stream_t * stream,ssize_t nread,const uv_buf_t * buf)40 static void read_cb(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) {
41   fprintf(stdout, "got data %d\n", ++read_count);
42   fflush(stdout);
43 
44   if (read_count == 3)
45     uv_close((uv_handle_t*) stream, NULL);
46 }
47 
48 
TEST_IMPL(osx_select)49 TEST_IMPL(osx_select) {
50   int r;
51   int fd;
52   size_t i;
53   size_t len;
54   const char* str;
55   uv_tty_t tty;
56 
57   fd = open("/dev/tty", O_RDONLY);
58   if (fd < 0) {
59     fprintf(stderr, "Cannot open /dev/tty as read-only: %s\n", strerror(errno));
60     fflush(stderr);
61     return TEST_SKIP;
62   }
63 
64   r = uv_tty_init(uv_default_loop(), &tty, fd, 1);
65   ASSERT_OK(r);
66 
67   uv_read_start((uv_stream_t*) &tty, alloc_cb, read_cb);
68 
69   /* Emulate user-input */
70   str = "got some input\n"
71         "with a couple of lines\n"
72         "feel pretty happy\n";
73   for (i = 0, len = strlen(str); i < len; i++) {
74     r = ioctl(fd, TIOCSTI, str + i);
75     ASSERT_OK(r);
76   }
77 
78   uv_run(uv_default_loop(), UV_RUN_DEFAULT);
79 
80   ASSERT_EQ(3, read_count);
81 
82   MAKE_VALGRIND_HAPPY(uv_default_loop());
83   return 0;
84 }
85 
86 
TEST_IMPL(osx_select_many_fds)87 TEST_IMPL(osx_select_many_fds) {
88   int r;
89   int fd;
90   size_t i;
91   size_t len;
92   const char* str;
93   struct sockaddr_in addr;
94   uv_tty_t tty;
95   uv_tcp_t tcps[1500];
96 
97   TEST_FILE_LIMIT(ARRAY_SIZE(tcps) + 100);
98 
99   r = uv_ip4_addr("127.0.0.1", 0, &addr);
100   ASSERT_OK(r);
101 
102   for (i = 0; i < ARRAY_SIZE(tcps); i++) {
103     r = uv_tcp_init(uv_default_loop(), &tcps[i]);
104     ASSERT_OK(r);
105     r = uv_tcp_bind(&tcps[i], (const struct sockaddr *) &addr, 0);
106     ASSERT_OK(r);
107     uv_unref((uv_handle_t*) &tcps[i]);
108   }
109 
110   fd = open("/dev/tty", O_RDONLY);
111   if (fd < 0) {
112     fprintf(stderr, "Cannot open /dev/tty as read-only: %s\n", strerror(errno));
113     fflush(stderr);
114     return TEST_SKIP;
115   }
116 
117   r = uv_tty_init(uv_default_loop(), &tty, fd, 1);
118   ASSERT_OK(r);
119 
120   r = uv_read_start((uv_stream_t*) &tty, alloc_cb, read_cb);
121   ASSERT_OK(r);
122 
123   /* Emulate user-input */
124   str = "got some input\n"
125         "with a couple of lines\n"
126         "feel pretty happy\n";
127   for (i = 0, len = strlen(str); i < len; i++) {
128     r = ioctl(fd, TIOCSTI, str + i);
129     ASSERT_OK(r);
130   }
131 
132   uv_run(uv_default_loop(), UV_RUN_DEFAULT);
133 
134   ASSERT_EQ(3, read_count);
135 
136   MAKE_VALGRIND_HAPPY(uv_default_loop());
137   return 0;
138 }
139 
140 #endif /* __APPLE__ */
141