summaryrefslogtreecommitdiff
blob: fdd0fecd0c6c258c5ac6a64996efe1d9ec065815 (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
#include <sys/socket.h>
#include <sys/un.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>

#include "../error/error.h"

#include "../parameters/parameters.h"

#include "meta_net.h"

static int open_socket
(
   struct JH_meta_net s [const restrict static 1],
   const char socket_name [const restrict static 1]
)
{
   struct sockaddr_un addr;
   int flags;
   const int old_errno = errno;

   errno = 0;

   s->fd = socket(AF_UNIX, SOCK_STREAM, 0);

   if (s->fd == -1)
   {
      JH_FATAL
      (
         stderr,
         "Unable to create socket: %s.",
         strerror(errno)
      );

      errno = old_errno;

      return -1;
   }

   errno = old_errno;

   memset((void *) &addr, 0, sizeof(addr));

   addr.sun_family = AF_UNIX;

   strncpy
   (
      (void *) addr.sun_path,
      (const void *) socket_name,
      (sizeof(addr.sun_path) - 1)
   );

   errno = 0;

   if (connect(s->fd, (struct sockaddr *) &addr, sizeof(addr)) == -1)
   {
      JH_FATAL
      (
         stderr,
         "Unable to connect to address: %s.",
         strerror(errno)
      );

      errno = old_errno;

      close(s->fd);

      return -1;
   }

   errno = 0;

   flags = fcntl(s->fd, F_GETFD, 0);

   if (flags < 0)
   {
      JH_FATAL
      (
         stderr,
         "Unable to get fd flag information for JabberHive socket: %s.",
         strerror(errno)
      );

      errno = old_errno;

      close(s->fd);

      return -1;
   }

   errno = 0;

   if (fcntl(s->fd, F_SETFL, (flags | O_NONBLOCK)) == -1)
   {
      JH_FATAL
      (
         stderr,
         "Unable to get fd flag information for JabberHive socket: %s.",
         strerror(errno)
      );

      errno = old_errno;

      close(s->fd);

      return -1;
   }

   errno = old_errno;

   return 0;
}

int JH_meta_net_connect
(
   struct JH_meta_net socket [const restrict static 1],
   const struct JH_parameters params [const restrict static 1]
)
{
   return
      open_socket
      (
         socket,
         JH_parameters_get_socket_name(params)
      );
}

void JH_meta_net_initialize
(
   struct JH_meta_net socket [const restrict static 1]
)
{
   socket->in.data = (char *) NULL;
   socket->in.capacity = 0;
   socket->in.length = 0;
   socket->in.index = 0;

   socket->out.data = (char *) NULL;
   socket->out.capacity = 0;
   socket->out.length = 0;
   socket->out.index = 0;

   socket->fd = -1;
   socket->has_request_in_progress = 0;
}

void JH_meta_net_finalize
(
   struct JH_meta_net socket [const restrict static 1]
)
{
   /* TODO */
}