summaryrefslogtreecommitdiff
path: root/src/examples/ecore/efl_net_dialer_windows_example.c
blob: 87919227ca9eef281dd313604c207ef35496ff40 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
#define EFL_BETA_API_SUPPORT 1
#define EFL_EO_API_SUPPORT 1
#include <Ecore.h>
#include <Ecore_Con.h>
#include <Ecore_Getopt.h>
#include <fcntl.h>
#include <ctype.h>

static int retval = EXIT_SUCCESS;
static Eina_Bool do_read = EINA_FALSE;

static void
_connected(void *data EINA_UNUSED, const Efl_Event *event)
{
   fprintf(stderr,
           "INFO: connected to '%s' (%s)\n"
           "INFO:  - local address=%s\n"
           "INFO:  - read-after-write=%u\n",
           efl_net_dialer_address_dial_get(event->object),
           efl_net_socket_address_remote_get(event->object),
           efl_net_socket_address_local_get(event->object),
           do_read);
}

static void
_eos(void *data EINA_UNUSED, const Efl_Event *event EINA_UNUSED)
{
   fprintf(stderr, "INFO: end of stream. \n");
   ecore_main_loop_quit();
}

static void
_can_read(void *data EINA_UNUSED, const Efl_Event *event)
{
   char buf[4];
   Eina_Error err;
   Eina_Bool can_read = efl_io_reader_can_read_get(event->object);

   /* NOTE: this message may appear with can read=0 BEFORE
    * "read '...'" because efl_io_reader_read() will change the status
    * of can_read to FALSE prior to return so we can print it!
    */
   fprintf(stderr, "INFO: can read=%d\n", can_read);
   if (!can_read) return;
   if (!do_read) return;

   do
     {
        Eina_Rw_Slice rw_slice = EINA_SLICE_ARRAY(buf);

        err = efl_io_reader_read(event->object, &rw_slice);
        if (err)
          {
             if (err == EAGAIN) return;
             fprintf(stderr, "ERROR: could not read: %s\n", eina_error_msg_get(err));
             retval = EXIT_FAILURE;
             ecore_main_loop_quit();
             return;
          }

        fprintf(stderr, "INFO: read '" EINA_SLICE_STR_FMT "'\n", EINA_SLICE_STR_PRINT(rw_slice));
     }
   while (efl_io_reader_can_read_get(event->object));
}

static void
_can_write(void *data EINA_UNUSED, const Efl_Event *event)
{
   static Eina_Slice slice = EINA_SLICE_STR_LITERAL("Hello World!");
   Eina_Slice to_write;
   Eina_Error err;
   Eina_Bool can_write = efl_io_writer_can_write_get(event->object);

   /* NOTE: this message may appear with can write=0 BEFORE
    * "wrote '...'" because efl_io_writer_write() will change the status
    * of can_write to FALSE prior to return so we can print it!
    */
   fprintf(stderr, "INFO: can write=%d (wanted bytes=%zd)\n", can_write, slice.len);
   if (!can_write) return;
   if (slice.len == 0) return;

   to_write = slice;
   err = efl_io_writer_write(event->object, &to_write, &slice);
   if (err)
     {
        fprintf(stderr, "ERROR: could not write: %s\n", eina_error_msg_get(err));
        retval = EXIT_FAILURE;
        ecore_main_loop_quit();
        return;
     }

   fprintf(stderr, "INFO: wrote '" EINA_SLICE_STR_FMT "', still pending=%zd bytes\n", EINA_SLICE_STR_PRINT(to_write), slice.len);

   if ((!do_read) && (slice.len == 0))
     {
        retval = EXIT_SUCCESS;
        ecore_main_loop_quit();
        return;
     }
}

static void
_resolved(void *data EINA_UNUSED, const Efl_Event *event)
{
   fprintf(stderr, "INFO: resolved %s => %s\n",
           efl_net_dialer_address_dial_get(event->object),
           efl_net_socket_address_remote_get(event->object));
}

static void
_error(void *data EINA_UNUSED, const Efl_Event *event)
{
   const Eina_Error *perr = event->info;
   fprintf(stderr, "INFO: error: %d '%s'\n", *perr, eina_error_msg_get(*perr));
   retval = EXIT_FAILURE;
}

EFL_CALLBACKS_ARRAY_DEFINE(dialer_cbs,
                           { EFL_NET_DIALER_EVENT_CONNECTED, _connected },
                           { EFL_NET_DIALER_EVENT_RESOLVED, _resolved },
                           { EFL_NET_DIALER_EVENT_ERROR, _error },
                           { EFL_IO_READER_EVENT_EOS, _eos },
                           { EFL_IO_READER_EVENT_CAN_READ_CHANGED, _can_read },
                           { EFL_IO_WRITER_EVENT_CAN_WRITE_CHANGED, _can_write }
                           );

static const Ecore_Getopt options = {
  "efl_net_dialer_windows_example", /* program name */
  NULL, /* usage line */
  "1", /* version */
  "(C) 2017 Enlightenment Project", /* copyright */
  "BSD 2-Clause", /* license */
  /* long description, may be multiline and contain \n */
  "Example of Efl_Net_Dialer_Windows usage, sending a message and receiving a reply\n",
  EINA_FALSE,
  {
    ECORE_GETOPT_STORE_TRUE('r', "read-after-write", "Do a read after writes are done."),
    ECORE_GETOPT_VERSION('V', "version"),
    ECORE_GETOPT_COPYRIGHT('C', "copyright"),
    ECORE_GETOPT_LICENSE('L', "license"),
    ECORE_GETOPT_HELP('h', "help"),
    ECORE_GETOPT_STORE_METAVAR_STR(0, NULL,
                                   "The address (URL) to dial", "address"),
    ECORE_GETOPT_SENTINEL
  }
};

int
main(int argc, char **argv)
{
   char *address = NULL;
   Eina_Bool quit_option = EINA_FALSE;
   Ecore_Getopt_Value values[] = {
     ECORE_GETOPT_VALUE_BOOL(do_read),

     /* standard block to provide version, copyright, license and help */
     ECORE_GETOPT_VALUE_BOOL(quit_option), /* -V/--version quits */
     ECORE_GETOPT_VALUE_BOOL(quit_option), /* -C/--copyright quits */
     ECORE_GETOPT_VALUE_BOOL(quit_option), /* -L/--license quits */
     ECORE_GETOPT_VALUE_BOOL(quit_option), /* -h/--help quits */

     /* positional argument */
     ECORE_GETOPT_VALUE_STR(address),

     ECORE_GETOPT_VALUE_NONE /* sentinel */
   };
   int args;
   Eo *dialer, *loop;
   Eina_Error err;

   ecore_init();
   ecore_con_init();

   args = ecore_getopt_parse(&options, values, argc, argv);
   if (args < 0)
     {
        fputs("ERROR: Could not parse command line options.\n", stderr);
        retval = EXIT_FAILURE;
        goto end;
     }

   if (quit_option) goto end;

   loop = efl_main_loop_get();

   args = ecore_getopt_parse_positional(&options, values, argc, argv, args);
   if (args < 0)
     {
        fputs("ERROR: Could not parse positional arguments.\n", stderr);
        retval = EXIT_FAILURE;
        goto end;
     }

   dialer = efl_add(EFL_NET_DIALER_WINDOWS_CLASS, loop,
                    efl_name_set(efl_added, "dialer"),
                    efl_event_callback_array_add(efl_added, dialer_cbs(), NULL));

   err = efl_net_dialer_dial(dialer, address);
   if (err != 0)
     {
        fprintf(stderr, "ERROR: could not dial '%s': %s\n",
                address, eina_error_msg_get(err));
        goto no_mainloop;
     }

   ecore_main_loop_begin();

   fprintf(stderr, "INFO: main loop finished.\n");

 no_mainloop:
   efl_del(dialer);

 end:
   ecore_con_shutdown();
   ecore_shutdown();

   return retval;
}