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Initial import of nsock.c nsock.h
author David Demelier <markand@malikania.fr>
date Thu, 22 Aug 2013 17:40:54 +0200
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children 29531c2f8213
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a89ff602b30f Initial import of nsock.c nsock.h
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1 /*
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2 * nsock.c -- portable BSD sockets wrapper
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3 *
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4 * Copyright (c) 2013 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 # include <stdio.h>
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20 # include <stdlib.h>
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21
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22 #if !defined(_WIN32)
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23 # include <errno.h>
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24 # include <string.h>
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25 #endif
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26
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27 #include "nsock.h"
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28
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29 #define TAILQ_HEAD(name, type) \
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30 struct name { \
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31 struct type *tqh_first; /* first element */ \
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32 struct type **tqh_last; /* addr of last next element */ \
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33 size_t noclients; \
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34 }
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35
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36 #define TAILQ_ENTRY(type) \
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37 struct { \
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38 struct type *tqe_next; /* next element */ \
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39 struct type **tqe_prev; /* address of previous next element */ \
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40 }
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41
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42 #define TAILQ_EMPTY(head) ((head)->tqh_first == NULL)
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43
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44 #define TAILQ_FIRST(head) ((head)->tqh_first)
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45
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46 #define TAILQ_FOREACH(var, head, field) \
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47 for ((var) = TAILQ_FIRST((head)); \
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48 (var); \
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49 (var) = TAILQ_NEXT((var), field))
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50
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51 #define TAILQ_FOREACH_SAFE(var, head, field, tvar) \
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52 for ((var) = TAILQ_FIRST((head)); \
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53 (var) && ((tvar) = TAILQ_NEXT((var), field), 1); \
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54 (var) = (tvar))
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55
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56 #define TAILQ_INIT(head) do { \
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57 TAILQ_FIRST((head)) = NULL; \
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58 (head)->tqh_last = &TAILQ_FIRST((head)); \
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59 } while (0)
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60
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61 #define TAILQ_INSERT_HEAD(head, elm, field) do { \
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62 if ((TAILQ_NEXT((elm), field) = TAILQ_FIRST((head))) != NULL) \
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63 TAILQ_FIRST((head))->field.tqe_prev = \
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64 &TAILQ_NEXT((elm), field); \
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65 else \
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66 (head)->tqh_last = &TAILQ_NEXT((elm), field); \
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67 TAILQ_FIRST((head)) = (elm); \
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68 (elm)->field.tqe_prev = &TAILQ_FIRST((head)); \
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69 (head)->noclients ++; \
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70 } while (0)
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71
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72 #define TAILQ_INSERT_TAIL(head, elm, field) do { \
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73 TAILQ_NEXT((elm), field) = NULL; \
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74 (elm)->field.tqe_prev = (head)->tqh_last; \
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75 *(head)->tqh_last = (elm); \
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76 (head)->tqh_last = &TAILQ_NEXT((elm), field); \
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77 (head)->noclients ++; \
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78 } while (0)
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79
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80 #define TAILQ_NEXT(elm, field) ((elm)->field.tqe_next)
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81
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82 #define TAILQ_REMOVE(head, elm, field) do { \
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83 if ((TAILQ_NEXT((elm), field)) != NULL) \
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84 TAILQ_NEXT((elm), field)->field.tqe_prev = \
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85 (elm)->field.tqe_prev; \
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86 else { \
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87 (head)->tqh_last = (elm)->field.tqe_prev; \
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88 } \
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89 *(elm)->field.tqe_prev = TAILQ_NEXT((elm), field); \
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90 (head)->noclients --; \
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91 } while (0)
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92
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93 struct nsock {
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94 nsock_socket_t fd;
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95 char error[128];
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96 };
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97
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98 struct nsock_ep {
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99 struct sockaddr_storage addr;
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100 socklen_t addrlen;
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101 char error[128];
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102 };
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103
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104 struct nsock_listener {
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105 const struct nsock *sock;
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106 char error[128];
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107 TAILQ_HEAD(, nsock_clt) head;
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108 };
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109
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110 struct nsock_clt {
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111 const struct nsock *sock;
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112 TAILQ_ENTRY(nsock_clt) link;
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113 };
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114
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115 /* --------------------------------------------------------
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116 * Private helpers
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117 * -------------------------------------------------------- */
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118
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119 static void
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120 nsock_set_error(char *buffer, size_t bufsize)
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121 {
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122 memset(buffer, 0, bufsize);
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123
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124 #if defined(_WIN32)
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125 LPSTR str;
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126
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127 FormatMessageA(
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128 FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
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129 NULL,
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130 WSAGetLastError(),
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131 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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132 (LPSTR)&str, 0, NULL);
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133
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134 if (str) {
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135 strncpy(buffer, str, bufsize);
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136 LocalFree(str);
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137 }
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138 #else
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139 strncpy(buffer, strerror(errno), bufsize);
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140 #endif
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141 }
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142
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David Demelier <markand@malikania.fr>
parents:
diff changeset
143 static void
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
144 nsock_set_errno(char *buffer, size_t bufsize, int no)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
145 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
146 memset(buffer, 0, bufsize);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
147 strncpy(buffer, strerror(no), bufsize - 1);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
148 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
149
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
150 static struct nsock_clt *
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
151 nsock_clt_new(const struct nsock *ns)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
152 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
153 struct nsock_clt *clt;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
154
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
155 if ((clt = malloc(sizeof (struct nsock_clt))) == NULL)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
156 return NULL;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
157
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
158 clt->sock = ns;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
159
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
160 return clt;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
161 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
162
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
163 /* --------------------------------------------------------
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
164 * Sockets functions
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
165 * -------------------------------------------------------- */
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
166
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
167 void
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
168 nsock_init(void)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
169 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
170 #if defined(_WIN32)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
171 WSADATA wsa;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
172 WSAStartup(MAKEWORD(2, 2), &wsa);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
173 #endif
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
174 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
175
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
176 struct nsock *
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
177 nsock_create(int domain, int type, int protocol)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
178 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
179 struct nsock *ns;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
180
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
181 if ((ns = malloc(sizeof (struct nsock))) == NULL)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
182 return NULL;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
183
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
184 ns->fd = socket(domain, type, protocol);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
185
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
186 if (ns->fd == INVALID_SOCKET)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
187 nsock_set_error(ns->error, sizeof (ns->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
188
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
189 return ns;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
190 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
191
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
192 const char *
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
193 nsock_error(struct nsock *ns)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
194 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
195 if (ns == NULL)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
196 return strerror(ENOMEM);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
197
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
198 return ns->error;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
199 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
200
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
201 int
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
202 nsock_bind(struct nsock *ns, const struct nsock_ep *ep)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
203 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
204 int ret;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
205
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
206 ret = bind(ns->fd, (const struct sockaddr *)&ep->addr, ep->addrlen);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
207
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
208 if (ret == SOCKET_ERROR)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
209 nsock_set_error(ns->error, sizeof (ns->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
210
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
211 return ret == SOCKET_ERROR ? -1 : 0;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
212 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
213
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
214 int
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
215 nsock_listen(struct nsock *ns, int max)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
216 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
217 int ret;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
218
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
219 ret = listen(ns->fd, max);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
220
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
221 if (ret == SOCKET_ERROR)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
222 nsock_set_error(ns->error, sizeof (ns->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
223
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
224 return ret == SOCKET_ERROR ? -1 : 0;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
225 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
226
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
227 int
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
228 nsock_accept(struct nsock *ns, struct nsock **client, struct nsock_ep **clientinfo)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
229 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
230 struct sockaddr_storage *st = NULL;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
231 socklen_t *len = NULL;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
232 int ret;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
233
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
234 if ((*client = malloc(sizeof (struct nsock))) == NULL) {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
235 nsock_set_errno(ns->error, sizeof (ns->error), ENOMEM);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
236 return -1;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
237 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
238
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
239 if (clientinfo != NULL) {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
240 if ((*clientinfo = malloc(sizeof (struct nsock_ep))) == NULL) {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
241 free(client);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
242 nsock_set_errno(ns->error, sizeof (ns->error), ENOMEM);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
243 return -1;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
244 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
245
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
246 st = &(*clientinfo)->addr;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
247 len = &(*clientinfo)->addrlen;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
248
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
249 /* Set the addrlen to sockaddr_storage first */
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
250 *len = sizeof (struct sockaddr_storage);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
251 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
252
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
253 /* Prepare client */
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
254 memset((*client)->error, 0, sizeof ((*client)->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
255 (*client)->fd = accept(ns->fd, (struct sockaddr *)st, len);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
256
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
257 if ((*client)->fd == INVALID_SOCKET) {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
258 nsock_set_error(ns->error, sizeof (ns->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
259
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
260 /* free clients and set to NULL so user will not use it */
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
261 free(*client);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
262 *client = NULL;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
263
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
264 if (clientinfo != NULL) {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
265 free(*clientinfo);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
266 *clientinfo = NULL;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
267 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
268
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
269 ret = -1;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
270 } else
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
271 ret = 0;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
272
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
273 return ret;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
274 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
275
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
276 int
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
277 nsock_connect(struct nsock *ns, const struct nsock_ep *ep)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
278 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
279 int ret;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
280
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
281 ret = connect(ns->fd, (const struct sockaddr *)&ep->addr, ep->addrlen);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
282
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
283 if (ret == SOCKET_ERROR)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
284 nsock_set_error(ns->error, sizeof (ns->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
285
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
286 return ret == SOCKET_ERROR ? -1 : 0;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
287 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
288
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
289 int
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
290 nsock_set(struct nsock *ns, int level, int name, const void *arg, unsigned arglen)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
291 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
292 int ret;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
293
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
294 ret = setsockopt(ns->fd, level, name, (nsock_carg_t)arg, arglen);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
295
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
296 if (ret == SOCKET_ERROR)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
297 nsock_set_error(ns->error, sizeof (ns->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
298
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
299 return ret == SOCKET_ERROR ? -1 : 0;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
300 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
301
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
302 long
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
303 nsock_recv(struct nsock *ns, void *data, size_t datasz, int flags)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
304 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
305 long nbread;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
306
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
307 nbread = recv(ns->fd, data, datasz, flags);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
308
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
309 if (nbread == -1)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
310 nsock_set_error(ns->error, sizeof (ns->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
311
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
312 return nbread;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
313 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
314
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
315 long
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
316 nsock_recvfrom(struct nsock *ns, struct nsock_ep *ep, void *data, size_t datasz, int flags)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
317 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
318 struct sockaddr_storage *st = NULL;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
319 socklen_t *len = NULL;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
320 long nbread;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
321
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
322 if (ep != NULL) {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
323 st = &ep->addr;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
324 len = &ep->addrlen;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
325
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
326 /* Set the addrlen to sockaddr_storage first */
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
327 *len = sizeof (struct sockaddr_storage);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
328 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
329
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
330 nbread = recvfrom(ns->fd, data, datasz, flags,
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
331 (struct sockaddr *)st, len);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
332
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
333 if (nbread == SOCKET_ERROR)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
334 nsock_set_error(ns->error, sizeof (ns->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
335
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
336 return nbread;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
337 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
338
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
339 long
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
340 nsock_send(struct nsock *ns, const void *data, size_t datasz, int flags)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
341 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
342 long nbsent;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
343
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
344 nbsent = send(ns->fd, data, datasz, flags);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
345
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
346 if (nbsent == -1)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
347 nsock_set_error(ns->error, sizeof (ns->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
348
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
349 return nbsent;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
350 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
351
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
352 long
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
353 nsock_sendto(struct nsock *ns, const struct nsock_ep *ep, const void *data, size_t datasz, int flags)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
354 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
355 long nbsent;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
356
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
357 nbsent = sendto(ns->fd, data, datasz, flags,
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
358 (const struct sockaddr *)&ep->addr, ep->addrlen);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
359
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
360 if (nbsent == SOCKET_ERROR)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
361 nsock_set_error(ns->error, sizeof (ns->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
362
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
363 return nbsent;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
364 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
365
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
366 void
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
367 nsock_close(struct nsock *ns)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
368 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
369 closesocket(ns->fd);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
370 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
371
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
372 void
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
373 nsock_free(struct nsock *ns)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
374 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
375 free(ns);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
376 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
377
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
378 void
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
379 nsock_finish(void)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
380 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
381 #if defined(_WIN32)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
382 WSACleanup();
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
383 #endif
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
384 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
385
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
386 /* --------------------------------------------------------
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
387 * End point functions
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
388 * -------------------------------------------------------- */
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
389
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
390 struct nsock_ep *
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
391 nsock_ep_create(void)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
392 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
393 struct nsock_ep *ep;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
394
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
395 if ((ep = calloc(1, sizeof (struct nsock_ep))) == NULL)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
396 return NULL;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
397
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
398 return ep;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
399 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
400
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
401 const char *
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
402 nsock_ep_error(struct nsock_ep *ep)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
403 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
404 if (ep == NULL)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
405 return strerror(ENOMEM);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
406
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
407 return ep->error;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
408 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
409
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
410 int
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
411 nsock_ep_bind_ip(struct nsock_ep *ep, const char *iface, unsigned port, int family)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
412 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
413 if (family == AF_INET6) {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
414 struct sockaddr_in6 *ptr = (struct sockaddr_in6 *)&ep->addr;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
415
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
416 memset(ptr, 0, sizeof (struct sockaddr_in6));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
417 ptr->sin6_family = AF_INET6;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
418 ptr->sin6_port = htons(port);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
419
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
420 if (iface == NULL || strcmp(iface, "*") == 0)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
421 ptr->sin6_addr = in6addr_any;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
422 else if (inet_pton(AF_INET6, iface, &ptr->sin6_addr) <= 0) {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
423 nsock_set_error(ep->error, sizeof (ep->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
424 return -1;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
425 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
426
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
427 ep->addrlen = sizeof (struct sockaddr_in6);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
428 } else {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
429 struct sockaddr_in *ptr = (struct sockaddr_in *)&ep->addr;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
430
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
431 memset(ptr, 0, sizeof (struct sockaddr_in));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
432 ptr->sin_family = AF_INET;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
433 ptr->sin_port = htons(port);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
434
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
435 if (iface == NULL || strcmp(iface, "*") == 0)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
436 ptr->sin_addr.s_addr = INADDR_ANY;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
437 else if (inet_pton(AF_INET, iface, &ptr->sin_addr) <= 0) {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
438 nsock_set_error(ep->error, sizeof (ep->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
439 return -1;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
440 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
441
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
442 ep->addrlen = sizeof (struct sockaddr_in);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
443 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
444
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
445 return 0;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
446 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
447
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
448 int
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
449 nsock_ep_connect_ip(struct nsock_ep *ep, const char *host, unsigned port, int family)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
450 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
451 struct addrinfo hints, *res;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
452 char portstr[32];
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
453 int error;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
454
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
455 memset(&hints, 0, sizeof (hints));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
456 hints.ai_family = family;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
457 hints.ai_socktype = SOCK_STREAM;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
458
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
459 memset(portstr, 0, sizeof (portstr));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
460 sprintf(portstr, "%u", port);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
461
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
462 error = getaddrinfo(host, portstr, &hints, &res);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
463 if (error) {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
464 memset(ep->error, 0, sizeof (ep->error));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
465 strncpy(ep->error, gai_strerrorA(error), sizeof (ep->error) - 1);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
466 return -1;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
467 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
468
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
469 memcpy(&ep->addr, res->ai_addr, res->ai_addrlen);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
470 ep->addrlen = res->ai_addrlen;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
471
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
472 freeaddrinfo(res);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
473
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
474 return 0;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
475 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
476
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
477 #if !defined(_WIN32)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
478
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
479 void
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
480 nsock_ep_unix(struct nsock_ep *ep, const char *path)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
481 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
482 struct sockaddr_un *ptr= (struct sockaddr_un *)&ep->addr;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
483
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
484 /* Path */
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
485 memset(ptr, 0, sizeof (struct sockaddr_un));
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
486 strncpy(ptr->sun_path, path, sizeof (ptr->sun_path) - 1);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
487 ptr->sun_family = AF_UNIX;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
488
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
489 /* Len is computed with SUN_LEN */
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
490 ep->addrlen = SUN_LEN(ptr);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
491 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
492
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
493 #endif
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
494
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
495 struct sockaddr *
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
496 nsock_ep_getaddr(struct nsock_ep *ep)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
497 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
498 return (struct sockaddr *)&ep->addr;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
499 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
500
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
501 socklen_t
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
502 nsock_ep_getaddrlen(const struct nsock_ep *ep)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
503 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
504 return ep->addrlen;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
505 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
506
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
507 void
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
508 nsock_ep_free(struct nsock_ep *ep)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
509 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
510 free(ep);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
511 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
512
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
513 /* --------------------------------------------------------
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
514 * listener functions
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
515 * -------------------------------------------------------- */
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
516
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
517 struct nsock_listener *
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
518 nsock_lst_create(const struct nsock *ns)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
519 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
520 struct nsock_listener *ls;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
521
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
522 if ((ls = malloc(sizeof (struct nsock_listener))) == NULL)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
523 return NULL;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
524
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
525 ls->sock = ns;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
526 TAILQ_INIT(&ls->head);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
527
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
528 return ls;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
529 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
530
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
531 const char *
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
532 nsock_lst_error(struct nsock_listener *ls)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
533 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
534 if (ls == NULL)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
535 return strerror(ENOMEM);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
536
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
537 return ls->error;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
538 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
539
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
540 int
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
541 nsock_lst_push(struct nsock_listener *ls, struct nsock *ns)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
542 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
543 struct nsock_clt *clt;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
544
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
545 if ((clt = nsock_clt_new(ns)) == NULL)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
546 return -1;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
547
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
548 TAILQ_INSERT_HEAD(&ls->head, clt, link);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
549
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
550 return 0;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
551 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
552
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
553 int
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
554 nsock_lst_append(struct nsock_listener *ls, struct nsock *ns)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
555 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
556 struct nsock_clt *clt;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
557
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
558 if ((clt = nsock_clt_new(ns)) == NULL)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
559 return -1;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
560
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
561 TAILQ_INSERT_TAIL(&ls->head, clt, link);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
562
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
563 return 0;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
564 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
565
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
566 size_t
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
567 nsock_lst_count(const struct nsock_listener *ls)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
568 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
569 return ls->head.noclients;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
570 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
571
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
572 void
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
573 nsock_lst_remove(struct nsock_listener *ls, const struct nsock *ns)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
574 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
575 struct nsock_clt *clt, *tmp;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
576
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
577 TAILQ_FOREACH_SAFE(clt, &ls->head, link, tmp) {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
578 if (clt->sock == ns) {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
579 TAILQ_REMOVE(&ls->head, clt, link);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
580 free(clt);
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
581 break;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
582 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
583 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
584 }
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
585
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
586 struct nsock *
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
587 nsock_lst_select(struct nsock_listener *ls, long sec, long usec)
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
588 {
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
589 fd_set fds;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
590 struct timeval maxwait, *towait;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
591 int error;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
592 int fdmax;
a89ff602b30f Initial import of nsock.c nsock.h
David Demelier <markand@malikania.fr>
parents:
diff changeset
593 struct nsock_clt *clt;
a89ff602b30f Initial import of nsock.c nsock.h
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594
a89ff602b30f Initial import of nsock.c nsock.h
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595 fdmax = TAILQ_FIRST(&ls->head)->sock->fd;
a89ff602b30f Initial import of nsock.c nsock.h
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596
a89ff602b30f Initial import of nsock.c nsock.h
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597 FD_ZERO(&fds);
a89ff602b30f Initial import of nsock.c nsock.h
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598 TAILQ_FOREACH(clt, &ls->head, link) {
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599 FD_SET(clt->sock->fd, &fds);
a89ff602b30f Initial import of nsock.c nsock.h
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600 if ((int)clt->sock->fd > fdmax)
a89ff602b30f Initial import of nsock.c nsock.h
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601 fdmax = clt->sock->fd;
a89ff602b30f Initial import of nsock.c nsock.h
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602 }
a89ff602b30f Initial import of nsock.c nsock.h
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603
a89ff602b30f Initial import of nsock.c nsock.h
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604 maxwait.tv_sec = sec;
a89ff602b30f Initial import of nsock.c nsock.h
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605 maxwait.tv_usec = usec;
a89ff602b30f Initial import of nsock.c nsock.h
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606
a89ff602b30f Initial import of nsock.c nsock.h
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607 // Set to NULL for infinite timeout.
a89ff602b30f Initial import of nsock.c nsock.h
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608 towait = (sec == 0 && usec == 0) ? NULL : &maxwait;
a89ff602b30f Initial import of nsock.c nsock.h
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609 error = select(fdmax + 1, &fds, NULL, NULL, towait);
a89ff602b30f Initial import of nsock.c nsock.h
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610
a89ff602b30f Initial import of nsock.c nsock.h
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611 TAILQ_FOREACH(clt, &ls->head, link)
a89ff602b30f Initial import of nsock.c nsock.h
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612 if (FD_ISSET(clt->sock->fd, &fds))
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613 return (struct nsock *)clt->sock;
a89ff602b30f Initial import of nsock.c nsock.h
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614
a89ff602b30f Initial import of nsock.c nsock.h
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615 return NULL;
a89ff602b30f Initial import of nsock.c nsock.h
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616 }
a89ff602b30f Initial import of nsock.c nsock.h
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617
a89ff602b30f Initial import of nsock.c nsock.h
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618 void
a89ff602b30f Initial import of nsock.c nsock.h
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619 nsock_lst_free(struct nsock_listener *ls)
a89ff602b30f Initial import of nsock.c nsock.h
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620 {
a89ff602b30f Initial import of nsock.c nsock.h
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621 struct nsock_clt *clt, *tmp;
a89ff602b30f Initial import of nsock.c nsock.h
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622
a89ff602b30f Initial import of nsock.c nsock.h
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623 TAILQ_FOREACH_SAFE(clt, &ls->head, link, tmp)
a89ff602b30f Initial import of nsock.c nsock.h
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624 free(clt);
a89ff602b30f Initial import of nsock.c nsock.h
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625
a89ff602b30f Initial import of nsock.c nsock.h
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626 free(ls);
a89ff602b30f Initial import of nsock.c nsock.h
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627 }