1 | /*
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2 | ** socket.c - Socket module
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3 | **
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4 | ** See Copyright Notice in mruby.h
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5 | */
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6 |
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7 | #ifdef _WIN32
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8 | #define _WIN32_WINNT 0x0501
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9 |
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10 | #include <winsock2.h>
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11 | #include <ws2tcpip.h>
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12 | #include <windows.h>
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13 |
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14 | #define SHUT_RDWR SD_BOTH
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15 | #else
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16 | #include <sys/types.h>
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17 | #include <sys/socket.h>
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18 | #include <sys/un.h>
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19 | #include <netinet/in.h>
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20 | #include <netinet/tcp.h>
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21 | #include <arpa/inet.h>
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22 | #include <fcntl.h>
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23 | #include <netdb.h>
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24 | #include <unistd.h>
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25 | #endif
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26 |
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27 | #include <stddef.h>
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28 | #include <string.h>
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29 |
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30 | #include "mruby.h"
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31 | #include "mruby/array.h"
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32 | #include "mruby/class.h"
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33 | #include "mruby/data.h"
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34 | #include "mruby/string.h"
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35 | #include "mruby/variable.h"
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36 | #include "error.h"
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37 |
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38 | #define E_SOCKET_ERROR (mrb_class_get(mrb, "SocketError"))
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39 |
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40 | #if !defined(mrb_cptr)
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41 | #define mrb_cptr_value(m,p) mrb_voidp_value((m),(p))
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42 | #define mrb_cptr(o) mrb_voidp(o)
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43 | #define mrb_cptr_p(o) mrb_voidp_p(o)
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44 | #endif
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45 |
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46 | #ifdef _WIN32
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47 | const char *inet_ntop(int af, const void *src, char *dst, socklen_t cnt)
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48 | {
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49 | if (af == AF_INET)
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50 | {
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51 | struct sockaddr_in in;
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52 | memset(&in, 0, sizeof(in));
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53 | in.sin_family = AF_INET;
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54 | memcpy(&in.sin_addr, src, sizeof(struct in_addr));
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55 | getnameinfo((struct sockaddr *)&in, sizeof(struct
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56 | sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST);
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57 | return dst;
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58 | }
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59 | else if (af == AF_INET6)
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60 | {
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61 | struct sockaddr_in6 in;
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62 | memset(&in, 0, sizeof(in));
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63 | in.sin6_family = AF_INET6;
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64 | memcpy(&in.sin6_addr, src, sizeof(struct in_addr6));
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65 | getnameinfo((struct sockaddr *)&in, sizeof(struct
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66 | sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST);
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67 | return dst;
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68 | }
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69 | return NULL;
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70 | }
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71 |
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72 | int inet_pton(int af, const char *src, void *dst)
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73 | {
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74 | struct addrinfo hints, *res, *ressave;
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75 |
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76 | memset(&hints, 0, sizeof(struct addrinfo));
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77 | hints.ai_family = af;
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78 |
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79 | if (getaddrinfo(src, NULL, &hints, &res) != 0)
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80 | {
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81 | printf("Couldn't resolve host %s\n", src);
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82 | return -1;
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83 | }
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84 |
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85 | ressave = res;
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86 |
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87 | while (res)
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88 | {
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89 | memcpy(dst, res->ai_addr, res->ai_addrlen);
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90 | res = res->ai_next;
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91 | }
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92 |
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93 | freeaddrinfo(ressave);
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94 | return 0;
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95 | }
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96 |
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97 | #endif
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98 |
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99 | static mrb_value
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100 | mrb_addrinfo_getaddrinfo(mrb_state *mrb, mrb_value klass)
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101 | {
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102 | struct addrinfo hints, *res0, *res;
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103 | mrb_value ai, ary, family, lastai, nodename, protocol, sa, service, socktype;
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104 | mrb_int flags;
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105 | int arena_idx, error;
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106 | const char *hostname = NULL, *servname = NULL;
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107 |
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108 | ary = mrb_ary_new(mrb);
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109 | arena_idx = mrb_gc_arena_save(mrb); /* ary must be on arena! */
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110 |
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111 | family = socktype = protocol = mrb_nil_value();
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112 | flags = 0;
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113 | mrb_get_args(mrb, "oo|oooi", &nodename, &service, &family, &socktype, &protocol, &flags);
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114 |
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115 | if (mrb_string_p(nodename)) {
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116 | hostname = mrb_str_to_cstr(mrb, nodename);
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117 | } else if (mrb_nil_p(nodename)) {
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118 | hostname = NULL;
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119 | } else {
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120 | mrb_raise(mrb, E_TYPE_ERROR, "nodename must be String or nil");
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121 | }
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122 |
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123 | if (mrb_string_p(service)) {
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124 | servname = mrb_str_to_cstr(mrb, service);
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125 | } else if (mrb_fixnum_p(service)) {
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126 | servname = mrb_str_to_cstr(mrb, mrb_funcall(mrb, service, "to_s", 0));
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127 | } else if (mrb_nil_p(service)) {
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128 | servname = NULL;
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129 | } else {
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130 | mrb_raise(mrb, E_TYPE_ERROR, "service must be String, Fixnum, or nil");
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131 | }
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132 |
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133 | memset(&hints, 0, sizeof(hints));
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134 | hints.ai_flags = flags;
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135 |
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136 | if (mrb_fixnum_p(family)) {
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137 | hints.ai_family = mrb_fixnum(family);
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138 | }
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139 |
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140 | if (mrb_fixnum_p(socktype)) {
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141 | hints.ai_socktype = mrb_fixnum(socktype);
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142 | }
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143 |
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144 | lastai = mrb_cv_get(mrb, klass, mrb_intern_lit(mrb, "_lastai"));
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145 | if (mrb_cptr_p(lastai)) {
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146 | freeaddrinfo(mrb_cptr(lastai));
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147 | mrb_cv_set(mrb, klass, mrb_intern_lit(mrb, "_lastai"), mrb_nil_value());
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148 | }
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149 |
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150 | error = getaddrinfo(hostname, servname, &hints, &res0);
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151 | if (error) {
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152 | mrb_raisef(mrb, E_SOCKET_ERROR, "getaddrinfo: %S", mrb_str_new_cstr(mrb, gai_strerror(error)));
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153 | }
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154 | mrb_cv_set(mrb, klass, mrb_intern_lit(mrb, "_lastai"), mrb_cptr_value(mrb, res0));
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155 |
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156 | for (res = res0; res != NULL; res = res->ai_next) {
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157 | sa = mrb_str_new(mrb, (void *)res->ai_addr, res->ai_addrlen);
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158 | ai = mrb_funcall(mrb, klass, "new", 4, sa, mrb_fixnum_value(res->ai_family), mrb_fixnum_value(res->ai_socktype), mrb_fixnum_value(res->ai_protocol));
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159 | mrb_ary_push(mrb, ary, ai);
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160 | mrb_gc_arena_restore(mrb, arena_idx);
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161 | }
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162 |
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163 | freeaddrinfo(res0);
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164 | mrb_cv_set(mrb, klass, mrb_intern_lit(mrb, "_lastai"), mrb_nil_value());
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165 |
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166 | return ary;
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167 | }
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168 |
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169 | static mrb_value
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170 | mrb_addrinfo_getnameinfo(mrb_state *mrb, mrb_value self)
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171 | {
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172 | mrb_int flags;
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173 | mrb_value ary, host, sastr, serv;
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174 | int error;
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175 |
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176 | flags = 0;
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177 | mrb_get_args(mrb, "|i", &flags);
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178 | host = mrb_str_buf_new(mrb, NI_MAXHOST);
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179 | serv = mrb_str_buf_new(mrb, NI_MAXSERV);
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180 |
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181 | sastr = mrb_iv_get(mrb, self, mrb_intern_lit(mrb, "@sockaddr"));
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182 | if (!mrb_string_p(sastr)) {
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183 | mrb_raise(mrb, E_SOCKET_ERROR, "invalid sockaddr");
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184 | }
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185 | error = getnameinfo((struct sockaddr *)RSTRING_PTR(sastr), (socklen_t)RSTRING_LEN(sastr), RSTRING_PTR(host), NI_MAXHOST, RSTRING_PTR(serv), NI_MAXSERV, flags);
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186 | if (error != 0) {
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187 | mrb_raisef(mrb, E_SOCKET_ERROR, "getnameinfo: %s", gai_strerror(error));
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188 | }
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189 | ary = mrb_ary_new_capa(mrb, 2);
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190 | mrb_str_resize(mrb, host, strlen(RSTRING_PTR(host)));
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191 | mrb_ary_push(mrb, ary, host);
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192 | mrb_str_resize(mrb, serv, strlen(RSTRING_PTR(serv)));
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193 | mrb_ary_push(mrb, ary, serv);
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194 | return ary;
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195 | }
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196 |
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197 | #ifndef _WIN32
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198 | static mrb_value
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199 | mrb_addrinfo_unix_path(mrb_state *mrb, mrb_value self)
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200 | {
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201 | mrb_value sastr;
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202 |
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203 | sastr = mrb_iv_get(mrb, self, mrb_intern_lit(mrb, "@sockaddr"));
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204 | if (((struct sockaddr *)RSTRING_PTR(sastr))->sa_family != AF_UNIX)
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205 | mrb_raise(mrb, E_SOCKET_ERROR, "need AF_UNIX address");
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206 | return mrb_str_new_cstr(mrb, ((struct sockaddr_un *)RSTRING_PTR(sastr))->sun_path);
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207 | }
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208 | #endif
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209 |
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210 | static mrb_value
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211 | sa2addrlist(mrb_state *mrb, const struct sockaddr *sa, socklen_t salen)
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212 | {
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213 | mrb_value ary, host;
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214 | unsigned short port;
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215 | const char *afstr;
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216 |
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217 | switch (sa->sa_family) {
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218 | case AF_INET:
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219 | afstr = "AF_INET";
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220 | port = ((struct sockaddr_in *)sa)->sin_port;
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221 | break;
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222 | case AF_INET6:
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223 | afstr = "AF_INET6";
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224 | port = ((struct sockaddr_in6 *)sa)->sin6_port;
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225 | break;
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226 | default:
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227 | mrb_raise(mrb, E_ARGUMENT_ERROR, "bad af");
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228 | return mrb_nil_value();
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229 | }
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230 | port = ntohs(port);
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231 | host = mrb_str_buf_new(mrb, NI_MAXHOST);
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232 | if (getnameinfo(sa, salen, RSTRING_PTR(host), NI_MAXHOST, NULL, 0, NI_NUMERICHOST) == -1)
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233 | mrb_sys_fail(mrb, "getnameinfo");
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234 | mrb_str_resize(mrb, host, strlen(RSTRING_PTR(host)));
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235 | ary = mrb_ary_new_capa(mrb, 4);
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236 | mrb_ary_push(mrb, ary, mrb_str_new_cstr(mrb, afstr));
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237 | mrb_ary_push(mrb, ary, mrb_fixnum_value(port));
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238 | mrb_ary_push(mrb, ary, host);
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239 | mrb_ary_push(mrb, ary, host);
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240 | return ary;
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241 | }
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242 |
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243 | static int
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244 | socket_fd(mrb_state *mrb, mrb_value sock)
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245 | {
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246 | return mrb_fixnum(mrb_funcall(mrb, sock, "fileno", 0));
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247 | }
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248 |
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249 | static int
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250 | socket_family(int s)
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251 | {
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252 | struct sockaddr_storage ss;
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253 | socklen_t salen;
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254 |
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255 | salen = sizeof(ss);
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256 | if (getsockname(s, (struct sockaddr *)&ss, &salen) == -1)
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257 | return AF_UNSPEC;
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258 | return ss.ss_family;
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259 | }
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260 |
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261 | static mrb_value
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262 | mrb_basicsocket_getpeereid(mrb_state *mrb, mrb_value self)
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263 | {
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264 | #ifdef HAVE_GETPEEREID
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265 | mrb_value ary;
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266 | gid_t egid;
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267 | uid_t euid;
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268 | int s;
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269 |
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270 | s = socket_fd(mrb, self);
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271 | if (getpeereid(s, &euid, &egid) != 0)
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272 | mrb_sys_fail(mrb, "getpeereid");
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273 |
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274 | ary = mrb_ary_new_capa(mrb, 2);
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275 | mrb_ary_push(mrb, ary, mrb_fixnum_value((mrb_int)euid));
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276 | mrb_ary_push(mrb, ary, mrb_fixnum_value((mrb_int)egid));
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277 | return ary;
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278 | #else
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279 | mrb_raise(mrb, E_RUNTIME_ERROR, "getpeereid is not avaialble on this system");
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280 | return mrb_nil_value();
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281 | #endif
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282 | }
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283 |
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284 | static mrb_value
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285 | mrb_basicsocket_getpeername(mrb_state *mrb, mrb_value self)
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286 | {
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287 | struct sockaddr_storage ss;
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288 | socklen_t salen;
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289 |
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290 | salen = sizeof(ss);
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291 | if (getpeername(socket_fd(mrb, self), (struct sockaddr *)&ss, &salen) != 0)
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292 | mrb_sys_fail(mrb, "getpeername");
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293 |
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294 | return mrb_str_new(mrb, (void *)&ss, salen);
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295 | }
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296 |
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297 | static mrb_value
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298 | mrb_basicsocket_getsockname(mrb_state *mrb, mrb_value self)
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299 | {
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300 | struct sockaddr_storage ss;
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301 | socklen_t salen;
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302 |
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303 | salen = sizeof(ss);
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304 | if (getsockname(socket_fd(mrb, self), (struct sockaddr *)&ss, &salen) != 0)
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305 | mrb_sys_fail(mrb, "getsockname");
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306 |
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307 | return mrb_str_new(mrb, (void *)&ss, salen);
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308 | }
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309 |
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310 | static mrb_value
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311 | mrb_basicsocket_getsockopt(mrb_state *mrb, mrb_value self)
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312 | {
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313 | char opt[8];
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314 | int s;
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315 | mrb_int family, level, optname;
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316 | mrb_value c, data;
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317 | socklen_t optlen;
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318 |
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319 | mrb_get_args(mrb, "ii", &level, &optname);
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320 | s = socket_fd(mrb, self);
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321 | optlen = sizeof(opt);
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322 | if (getsockopt(s, level, optname, opt, &optlen) == -1)
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323 | mrb_sys_fail(mrb, "getsockopt");
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324 | c = mrb_const_get(mrb, mrb_obj_value(mrb_class_get(mrb, "Socket")), mrb_intern_lit(mrb, "Option"));
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325 | family = socket_family(s);
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326 | data = mrb_str_new(mrb, opt, optlen);
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327 | return mrb_funcall(mrb, c, "new", 4, mrb_fixnum_value(family), mrb_fixnum_value(level), mrb_fixnum_value(optname), data);
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328 | }
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329 |
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330 | static mrb_value
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331 | mrb_basicsocket_recv(mrb_state *mrb, mrb_value self)
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332 | {
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333 | int n;
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334 | mrb_int maxlen, flags = 0;
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335 | mrb_value buf;
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336 |
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337 | mrb_get_args(mrb, "i|i", &maxlen, &flags);
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338 | buf = mrb_str_buf_new(mrb, maxlen);
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339 | n = recv(socket_fd(mrb, self), RSTRING_PTR(buf), maxlen, flags);
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340 | if (n == -1)
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341 | mrb_sys_fail(mrb, "recv");
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342 | mrb_str_resize(mrb, buf, n);
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343 | return buf;
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344 | }
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345 |
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346 | static mrb_value
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347 | mrb_basicsocket_recvfrom(mrb_state *mrb, mrb_value self)
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348 | {
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349 | int n;
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350 | mrb_int maxlen, flags = 0;
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351 | mrb_value ary, buf, sa;
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352 | socklen_t socklen;
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353 |
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354 | mrb_get_args(mrb, "i|i", &maxlen, &flags);
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355 | buf = mrb_str_buf_new(mrb, maxlen);
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356 | socklen = sizeof(struct sockaddr_storage);
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357 | sa = mrb_str_buf_new(mrb, socklen);
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358 | n = recvfrom(socket_fd(mrb, self), RSTRING_PTR(buf), maxlen, flags, (struct sockaddr *)RSTRING_PTR(sa), &socklen);
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359 | if (n == -1)
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360 | mrb_sys_fail(mrb, "recvfrom");
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361 | mrb_str_resize(mrb, buf, n);
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362 | mrb_str_resize(mrb, sa, socklen);
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363 | ary = mrb_ary_new_capa(mrb, 2);
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364 | mrb_ary_push(mrb, ary, buf);
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365 | mrb_ary_push(mrb, ary, sa);
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366 | return ary;
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367 | }
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368 |
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369 | static mrb_value
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370 | mrb_basicsocket_send(mrb_state *mrb, mrb_value self)
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371 | {
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372 | int n;
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373 | mrb_int flags;
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374 | mrb_value dest, mesg;
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375 |
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376 | dest = mrb_nil_value();
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377 | mrb_get_args(mrb, "Si|S", &mesg, &flags, &dest);
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378 | if (mrb_nil_p(dest)) {
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379 | n = send(socket_fd(mrb, self), RSTRING_PTR(mesg), RSTRING_LEN(mesg), flags);
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380 | } else {
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381 | n = sendto(socket_fd(mrb, self), RSTRING_PTR(mesg), RSTRING_LEN(mesg), flags, (const void *)RSTRING_PTR(dest), RSTRING_LEN(dest));
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382 | }
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383 | if (n == -1)
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384 | mrb_sys_fail(mrb, "send");
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385 | return mrb_fixnum_value(n);
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386 | }
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387 |
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388 | static mrb_value
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389 | mrb_basicsocket_setnonblock(mrb_state *mrb, mrb_value self)
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390 | {
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391 | int fd, flags;
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392 | mrb_value bool;
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393 | #ifdef _WIN32
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394 | u_long mode = 1;
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395 | #endif
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396 |
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397 | mrb_get_args(mrb, "o", &bool);
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398 | fd = socket_fd(mrb, self);
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399 | #ifdef _WIN32
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400 | flags = ioctlsocket(fd, FIONBIO, &mode);
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401 | if (flags != NO_ERROR)
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402 | mrb_sys_fail(mrb, "ioctlsocket");
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403 | #else
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404 | flags = fcntl(fd, F_GETFL, 0);
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405 | if (flags == 1)
|
---|
406 | mrb_sys_fail(mrb, "fcntl");
|
---|
407 | if (mrb_test(bool))
|
---|
408 | flags |= O_NONBLOCK;
|
---|
409 | else
|
---|
410 | flags &= ~O_NONBLOCK;
|
---|
411 | if (fcntl(fd, F_SETFL, flags) == -1)
|
---|
412 | mrb_sys_fail(mrb, "fcntl");
|
---|
413 | #endif
|
---|
414 | return mrb_nil_value();
|
---|
415 | }
|
---|
416 |
|
---|
417 | static mrb_value
|
---|
418 | mrb_basicsocket_setsockopt(mrb_state *mrb, mrb_value self)
|
---|
419 | {
|
---|
420 | int argc, s;
|
---|
421 | mrb_int level = 0, optname;
|
---|
422 | mrb_value optval, so;
|
---|
423 |
|
---|
424 | argc = mrb_get_args(mrb, "o|io", &so, &optname, &optval);
|
---|
425 | if (argc == 3) {
|
---|
426 | if (!mrb_fixnum_p(so)) {
|
---|
427 | mrb_raise(mrb, E_ARGUMENT_ERROR, "level is not an integer");
|
---|
428 | }
|
---|
429 | level = mrb_fixnum(so);
|
---|
430 | if (mrb_string_p(optval)) {
|
---|
431 | /* that's good */
|
---|
432 | } else if (mrb_type(optval) == MRB_TT_TRUE || mrb_type(optval) == MRB_TT_FALSE) {
|
---|
433 | mrb_int i = mrb_test(optval) ? 1 : 0;
|
---|
434 | optval = mrb_str_new(mrb, (char *)&i, sizeof(i));
|
---|
435 | } else if (mrb_fixnum_p(optval)) {
|
---|
436 | if (optname == IP_MULTICAST_TTL || optname == IP_MULTICAST_LOOP) {
|
---|
437 | char uc = mrb_fixnum(optval);
|
---|
438 | optval = mrb_str_new(mrb, &uc, sizeof(uc));
|
---|
439 | } else {
|
---|
440 | mrb_int i = mrb_fixnum(optval);
|
---|
441 | optval = mrb_str_new(mrb, (char *)&i, sizeof(i));
|
---|
442 | }
|
---|
443 | } else {
|
---|
444 | mrb_raise(mrb, E_ARGUMENT_ERROR, "optval should be true, false, an integer, or a string");
|
---|
445 | }
|
---|
446 | } else if (argc == 1) {
|
---|
447 | if (strcmp(mrb_obj_classname(mrb, so), "Socket::Option") != 0)
|
---|
448 | mrb_raisef(mrb, E_ARGUMENT_ERROR, "not an instance of Socket::Option");
|
---|
449 | level = mrb_fixnum(mrb_funcall(mrb, so, "level", 0));
|
---|
450 | optname = mrb_fixnum(mrb_funcall(mrb, so, "optname", 0));
|
---|
451 | optval = mrb_funcall(mrb, so, "data", 0);
|
---|
452 | } else {
|
---|
453 | mrb_raisef(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (%d for 3)", argc);
|
---|
454 | }
|
---|
455 |
|
---|
456 | s = socket_fd(mrb, self);
|
---|
457 | if (setsockopt(s, level, optname, RSTRING_PTR(optval), RSTRING_LEN(optval)) == -1)
|
---|
458 | mrb_sys_fail(mrb, "setsockopt");
|
---|
459 | return mrb_fixnum_value(0);
|
---|
460 | }
|
---|
461 |
|
---|
462 | static mrb_value
|
---|
463 | mrb_basicsocket_shutdown(mrb_state *mrb, mrb_value self)
|
---|
464 | {
|
---|
465 | mrb_int how = SHUT_RDWR;
|
---|
466 |
|
---|
467 | mrb_get_args(mrb, "|i", &how);
|
---|
468 | if (shutdown(socket_fd(mrb, self), how) != 0)
|
---|
469 | mrb_sys_fail(mrb, "shutdown");
|
---|
470 | return mrb_fixnum_value(0);
|
---|
471 | }
|
---|
472 |
|
---|
473 | static mrb_value
|
---|
474 | mrb_ipsocket_ntop(mrb_state *mrb, mrb_value klass)
|
---|
475 | {
|
---|
476 | mrb_int af, n;
|
---|
477 | char *addr, buf[50];
|
---|
478 |
|
---|
479 | mrb_get_args(mrb, "is", &af, &addr, &n);
|
---|
480 | if ((af == AF_INET && n != 4) || (af == AF_INET6 && n != 16))
|
---|
481 | mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid address");
|
---|
482 | if (inet_ntop(af, addr, buf, sizeof(buf)) == NULL)
|
---|
483 | mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid address");
|
---|
484 | return mrb_str_new_cstr(mrb, buf);
|
---|
485 | }
|
---|
486 |
|
---|
487 | static mrb_value
|
---|
488 | mrb_ipsocket_pton(mrb_state *mrb, mrb_value klass)
|
---|
489 | {
|
---|
490 | mrb_int af, n;
|
---|
491 | char *bp, buf[50];
|
---|
492 |
|
---|
493 | mrb_get_args(mrb, "is", &af, &bp, &n);
|
---|
494 | if (n > sizeof(buf) - 1)
|
---|
495 | mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid address");
|
---|
496 | memcpy(buf, bp, n);
|
---|
497 | buf[n] = '\0';
|
---|
498 |
|
---|
499 | if (af == AF_INET) {
|
---|
500 | struct in_addr in;
|
---|
501 | if (inet_pton(AF_INET, buf, (void *)&in.s_addr) != 1)
|
---|
502 | goto invalid;
|
---|
503 | return mrb_str_new(mrb, (char *)&in.s_addr, 4);
|
---|
504 | } else if (af == AF_INET6) {
|
---|
505 | struct in6_addr in6;
|
---|
506 | if (inet_pton(AF_INET6, buf, (void *)&in6.s6_addr) != 1)
|
---|
507 | goto invalid;
|
---|
508 | return mrb_str_new(mrb, (char *)&in6.s6_addr, 16);
|
---|
509 | } else
|
---|
510 | mrb_raise(mrb, E_ARGUMENT_ERROR, "unsupported address family");
|
---|
511 |
|
---|
512 | invalid:
|
---|
513 | mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid address");
|
---|
514 | return mrb_nil_value(); /* dummy */
|
---|
515 | }
|
---|
516 |
|
---|
517 | static mrb_value
|
---|
518 | mrb_ipsocket_recvfrom(mrb_state *mrb, mrb_value self)
|
---|
519 | {
|
---|
520 | struct sockaddr_storage ss;
|
---|
521 | socklen_t socklen;
|
---|
522 | mrb_value a, buf, pair;
|
---|
523 | mrb_int flags, maxlen, n;
|
---|
524 | int fd;
|
---|
525 |
|
---|
526 | fd = socket_fd(mrb, self);
|
---|
527 | flags = 0;
|
---|
528 | mrb_get_args(mrb, "i|i", &maxlen, &flags);
|
---|
529 | buf = mrb_str_buf_new(mrb, maxlen);
|
---|
530 | socklen = sizeof(ss);
|
---|
531 | n = recvfrom(fd, RSTRING_PTR(buf), maxlen, flags,
|
---|
532 | (struct sockaddr *)&ss, &socklen);
|
---|
533 | if (n == -1) {
|
---|
534 | mrb_sys_fail(mrb, "recvfrom");
|
---|
535 | }
|
---|
536 | mrb_str_resize(mrb, buf, n);
|
---|
537 | a = sa2addrlist(mrb, (struct sockaddr *)&ss, socklen);
|
---|
538 | pair = mrb_ary_new_capa(mrb, 2);
|
---|
539 | mrb_ary_push(mrb, pair, buf);
|
---|
540 | mrb_ary_push(mrb, pair, a);
|
---|
541 | return pair;
|
---|
542 | }
|
---|
543 |
|
---|
544 | static mrb_value
|
---|
545 | mrb_socket_gethostname(mrb_state *mrb, mrb_value cls)
|
---|
546 | {
|
---|
547 | mrb_value buf;
|
---|
548 | size_t bufsize;
|
---|
549 |
|
---|
550 | #ifdef HOST_NAME_MAX
|
---|
551 | bufsize = HOST_NAME_MAX + 1;
|
---|
552 | #else
|
---|
553 | bufsize = 256;
|
---|
554 | #endif
|
---|
555 | buf = mrb_str_buf_new(mrb, bufsize);
|
---|
556 | if (gethostname(RSTRING_PTR(buf), bufsize) != 0)
|
---|
557 | mrb_sys_fail(mrb, "gethostname");
|
---|
558 | mrb_str_resize(mrb, buf, strlen(RSTRING_PTR(buf)));
|
---|
559 | return buf;
|
---|
560 | }
|
---|
561 |
|
---|
562 | static mrb_value
|
---|
563 | mrb_socket_accept(mrb_state *mrb, mrb_value klass)
|
---|
564 | {
|
---|
565 | mrb_value ary, sastr;
|
---|
566 | int s1;
|
---|
567 | mrb_int s0;
|
---|
568 | socklen_t socklen;
|
---|
569 |
|
---|
570 | mrb_get_args(mrb, "i", &s0);
|
---|
571 | socklen = sizeof(struct sockaddr_storage);
|
---|
572 | sastr = mrb_str_buf_new(mrb, socklen);
|
---|
573 | s1 = accept(s0, (struct sockaddr *)RSTRING_PTR(sastr), &socklen);
|
---|
574 | if (s1 == -1) {
|
---|
575 | mrb_sys_fail(mrb, "accept");
|
---|
576 | }
|
---|
577 | // XXX: possible descriptor leakage here!
|
---|
578 | mrb_str_resize(mrb, sastr, socklen);
|
---|
579 | ary = mrb_ary_new_capa(mrb, 2);
|
---|
580 | mrb_ary_push(mrb, ary, mrb_fixnum_value(s1));
|
---|
581 | mrb_ary_push(mrb, ary, sastr);
|
---|
582 | return ary;
|
---|
583 | }
|
---|
584 |
|
---|
585 | static mrb_value
|
---|
586 | mrb_socket_bind(mrb_state *mrb, mrb_value klass)
|
---|
587 | {
|
---|
588 | mrb_value sastr;
|
---|
589 | mrb_int s;
|
---|
590 |
|
---|
591 | mrb_get_args(mrb, "iS", &s, &sastr);
|
---|
592 | if (bind((int)s, (struct sockaddr *)RSTRING_PTR(sastr), (socklen_t)RSTRING_LEN(sastr)) == -1) {
|
---|
593 | mrb_sys_fail(mrb, "bind");
|
---|
594 | }
|
---|
595 | return mrb_nil_value();
|
---|
596 | }
|
---|
597 |
|
---|
598 | static mrb_value
|
---|
599 | mrb_socket_connect(mrb_state *mrb, mrb_value klass)
|
---|
600 | {
|
---|
601 | mrb_value sastr;
|
---|
602 | mrb_int s;
|
---|
603 |
|
---|
604 | mrb_get_args(mrb, "iS", &s, &sastr);
|
---|
605 | if (connect((int)s, (struct sockaddr *)RSTRING_PTR(sastr), (socklen_t)RSTRING_LEN(sastr)) == -1) {
|
---|
606 | mrb_sys_fail(mrb, "connect");
|
---|
607 | }
|
---|
608 | return mrb_nil_value();
|
---|
609 | }
|
---|
610 |
|
---|
611 | static mrb_value
|
---|
612 | mrb_socket_listen(mrb_state *mrb, mrb_value klass)
|
---|
613 | {
|
---|
614 | mrb_int backlog, s;
|
---|
615 |
|
---|
616 | mrb_get_args(mrb, "ii", &s, &backlog);
|
---|
617 | if (listen((int)s, (int)backlog) == -1) {
|
---|
618 | mrb_sys_fail(mrb, "listen");
|
---|
619 | }
|
---|
620 | return mrb_nil_value();
|
---|
621 | }
|
---|
622 |
|
---|
623 | static mrb_value
|
---|
624 | mrb_socket_sockaddr_family(mrb_state *mrb, mrb_value klass)
|
---|
625 | {
|
---|
626 | mrb_value sa;
|
---|
627 |
|
---|
628 | mrb_get_args(mrb, "S", &sa);
|
---|
629 | #ifdef __linux__
|
---|
630 | if (RSTRING_LEN(sa) < offsetof(struct sockaddr, sa_family) + sizeof(sa_family_t)) {
|
---|
631 | mrb_raisef(mrb, E_SOCKET_ERROR, "invalid sockaddr (too short)");
|
---|
632 | }
|
---|
633 | #else
|
---|
634 | if (RSTRING_LEN(sa) < sizeof(struct sockaddr)) {
|
---|
635 | mrb_raisef(mrb, E_SOCKET_ERROR, "invalid sockaddr (too short)");
|
---|
636 | }
|
---|
637 | #endif
|
---|
638 | return mrb_fixnum_value(((struct sockaddr *)RSTRING_PTR(sa))->sa_family);
|
---|
639 | }
|
---|
640 |
|
---|
641 | static mrb_value
|
---|
642 | mrb_socket_sockaddr_un(mrb_state *mrb, mrb_value klass)
|
---|
643 | {
|
---|
644 | #ifdef _WIN32
|
---|
645 | mrb_raise(mrb, E_NOTIMP_ERROR, "sockaddr_un unsupported on Windows");
|
---|
646 | return mrb_nil_value();
|
---|
647 | #else
|
---|
648 | struct sockaddr_un *sunp;
|
---|
649 | mrb_value path, s;
|
---|
650 |
|
---|
651 | mrb_get_args(mrb, "S", &path);
|
---|
652 | if (RSTRING_LEN(path) > sizeof(sunp->sun_path) - 1) {
|
---|
653 | mrb_raisef(mrb, E_ARGUMENT_ERROR, "too long unix socket path (max: %ubytes)", (unsigned int)sizeof(sunp->sun_path) - 1);
|
---|
654 | }
|
---|
655 | s = mrb_str_buf_new(mrb, sizeof(struct sockaddr_un));
|
---|
656 | sunp = (struct sockaddr_un *)RSTRING_PTR(s);
|
---|
657 | sunp->sun_family = AF_UNIX;
|
---|
658 | memcpy(sunp->sun_path, RSTRING_PTR(path), RSTRING_LEN(path));
|
---|
659 | sunp->sun_path[RSTRING_LEN(path)] = '\0';
|
---|
660 | mrb_str_resize(mrb, s, sizeof(struct sockaddr_un));
|
---|
661 | return s;
|
---|
662 | #endif
|
---|
663 | }
|
---|
664 |
|
---|
665 | static mrb_value
|
---|
666 | mrb_socket_socketpair(mrb_state *mrb, mrb_value klass)
|
---|
667 | {
|
---|
668 | #ifdef _WIN32
|
---|
669 | mrb_raise(mrb, E_NOTIMP_ERROR, "socketpair unsupported on Windows");
|
---|
670 | return mrb_nil_value();
|
---|
671 | #else
|
---|
672 | mrb_value ary;
|
---|
673 | mrb_int domain, type, protocol;
|
---|
674 | int sv[2];
|
---|
675 |
|
---|
676 | mrb_get_args(mrb, "iii", &domain, &type, &protocol);
|
---|
677 | if (socketpair(domain, type, protocol, sv) == -1) {
|
---|
678 | mrb_sys_fail(mrb, "socketpair");
|
---|
679 | }
|
---|
680 | // XXX: possible descriptor leakage here!
|
---|
681 | ary = mrb_ary_new_capa(mrb, 2);
|
---|
682 | mrb_ary_push(mrb, ary, mrb_fixnum_value(sv[0]));
|
---|
683 | mrb_ary_push(mrb, ary, mrb_fixnum_value(sv[1]));
|
---|
684 | return ary;
|
---|
685 | #endif
|
---|
686 | }
|
---|
687 |
|
---|
688 | static mrb_value
|
---|
689 | mrb_socket_socket(mrb_state *mrb, mrb_value klass)
|
---|
690 | {
|
---|
691 | mrb_int domain, type, protocol;
|
---|
692 | int s;
|
---|
693 |
|
---|
694 | mrb_get_args(mrb, "iii", &domain, &type, &protocol);
|
---|
695 | s = socket(domain, type, protocol);
|
---|
696 | if (s == -1)
|
---|
697 | mrb_sys_fail(mrb, "socket");
|
---|
698 | return mrb_fixnum_value(s);
|
---|
699 | }
|
---|
700 |
|
---|
701 | static mrb_value
|
---|
702 | mrb_tcpsocket_allocate(mrb_state *mrb, mrb_value klass)
|
---|
703 | {
|
---|
704 | struct RClass *c = mrb_class_ptr(klass);
|
---|
705 | enum mrb_vtype ttype = MRB_INSTANCE_TT(c);
|
---|
706 |
|
---|
707 | /* copied from mrb_instance_alloc() */
|
---|
708 | if (ttype == 0) ttype = MRB_TT_OBJECT;
|
---|
709 | return mrb_obj_value((struct RObject*)mrb_obj_alloc(mrb, ttype, c));
|
---|
710 | }
|
---|
711 |
|
---|
712 | /* Windows overrides for IO methods on BasicSocket objects.
|
---|
713 | * This is because sockets on Windows are not the same as file
|
---|
714 | * descriptors, and thus functions which operate on file descriptors
|
---|
715 | * will break on socket descriptors.
|
---|
716 | */
|
---|
717 | #ifdef _WIN32
|
---|
718 | static mrb_value
|
---|
719 | mrb_win32_basicsocket_close(mrb_state *mrb, mrb_value self)
|
---|
720 | {
|
---|
721 | if (closesocket(socket_fd(mrb, self)) != NO_ERROR)
|
---|
722 | mrb_raise(mrb, E_SOCKET_ERROR, "closesocket unsuccessful");
|
---|
723 | return mrb_nil_value();
|
---|
724 | }
|
---|
725 |
|
---|
726 | #define E_EOF_ERROR (mrb_class_get(mrb, "EOFError"))
|
---|
727 | static mrb_value
|
---|
728 | mrb_win32_basicsocket_sysread(mrb_state *mrb, mrb_value self)
|
---|
729 | {
|
---|
730 | int sd, ret;
|
---|
731 | mrb_value buf = mrb_nil_value();
|
---|
732 | mrb_int maxlen;
|
---|
733 |
|
---|
734 | mrb_get_args(mrb, "i|S", &maxlen, &buf);
|
---|
735 | if (maxlen < 0) {
|
---|
736 | return mrb_nil_value();
|
---|
737 | }
|
---|
738 |
|
---|
739 | if (mrb_nil_p(buf)) {
|
---|
740 | buf = mrb_str_new(mrb, NULL, maxlen);
|
---|
741 | }
|
---|
742 | if (RSTRING_LEN(buf) != maxlen) {
|
---|
743 | buf = mrb_str_resize(mrb, buf, maxlen);
|
---|
744 | }
|
---|
745 |
|
---|
746 | sd = socket_fd(mrb, self);
|
---|
747 | ret = recv(sd, RSTRING_PTR(buf), maxlen, 0);
|
---|
748 |
|
---|
749 | switch (ret) {
|
---|
750 | case 0: /* EOF */
|
---|
751 | if (maxlen == 0) {
|
---|
752 | buf = mrb_str_new_cstr(mrb, "");
|
---|
753 | } else {
|
---|
754 | mrb_raise(mrb, E_EOF_ERROR, "sysread failed: End of File");
|
---|
755 | }
|
---|
756 | break;
|
---|
757 | case SOCKET_ERROR: /* Error */
|
---|
758 | mrb_sys_fail(mrb, "recv");
|
---|
759 | break;
|
---|
760 | default:
|
---|
761 | if (RSTRING_LEN(buf) != ret) {
|
---|
762 | buf = mrb_str_resize(mrb, buf, ret);
|
---|
763 | }
|
---|
764 | break;
|
---|
765 | }
|
---|
766 |
|
---|
767 | return buf;
|
---|
768 | }
|
---|
769 |
|
---|
770 | static mrb_value
|
---|
771 | mrb_win32_basicsocket_sysseek(mrb_state *mrb, mrb_value self)
|
---|
772 | {
|
---|
773 | mrb_raise(mrb, E_NOTIMP_ERROR, "sysseek not implemented for windows sockets");
|
---|
774 | return mrb_nil_value();
|
---|
775 | }
|
---|
776 |
|
---|
777 | static mrb_value
|
---|
778 | mrb_win32_basicsocket_syswrite(mrb_state *mrb, mrb_value self)
|
---|
779 | {
|
---|
780 | int n;
|
---|
781 | SOCKET sd;
|
---|
782 | mrb_value str;
|
---|
783 |
|
---|
784 | sd = socket_fd(mrb, self);
|
---|
785 | mrb_get_args(mrb, "S", &str);
|
---|
786 | n = send(sd, RSTRING_PTR(str), RSTRING_LEN(str), 0);
|
---|
787 | if (n == SOCKET_ERROR)
|
---|
788 | mrb_sys_fail(mrb, "send");
|
---|
789 | return mrb_fixnum_value(n);
|
---|
790 | }
|
---|
791 |
|
---|
792 | #endif
|
---|
793 |
|
---|
794 | void
|
---|
795 | mrb_mruby_socket_gem_init(mrb_state* mrb)
|
---|
796 | {
|
---|
797 | struct RClass *io, *ai, *sock, *bsock, *ipsock, *tcpsock;
|
---|
798 | struct RClass *constants;
|
---|
799 |
|
---|
800 | #ifdef _WIN32
|
---|
801 | WSADATA wsaData;
|
---|
802 | int result;
|
---|
803 | result = WSAStartup(MAKEWORD(2,2), &wsaData);
|
---|
804 | if (result != NO_ERROR)
|
---|
805 | mrb_raise(mrb, E_RUNTIME_ERROR, "WSAStartup failed");
|
---|
806 | #else
|
---|
807 | struct RClass *usock;
|
---|
808 | #endif
|
---|
809 |
|
---|
810 | ai = mrb_define_class(mrb, "Addrinfo", mrb->object_class);
|
---|
811 | mrb_mod_cv_set(mrb, ai, mrb_intern_lit(mrb, "_lastai"), mrb_nil_value());
|
---|
812 | mrb_define_class_method(mrb, ai, "getaddrinfo", mrb_addrinfo_getaddrinfo, MRB_ARGS_REQ(2)|MRB_ARGS_OPT(4));
|
---|
813 | mrb_define_method(mrb, ai, "getnameinfo", mrb_addrinfo_getnameinfo, MRB_ARGS_OPT(1));
|
---|
814 | #ifndef _WIN32
|
---|
815 | mrb_define_method(mrb, ai, "unix_path", mrb_addrinfo_unix_path, MRB_ARGS_NONE());
|
---|
816 | #endif
|
---|
817 |
|
---|
818 | io = mrb_class_get(mrb, "IO");
|
---|
819 |
|
---|
820 | bsock = mrb_define_class(mrb, "BasicSocket", io);
|
---|
821 | mrb_define_method(mrb, bsock, "_recvfrom", mrb_basicsocket_recvfrom, MRB_ARGS_REQ(1)|MRB_ARGS_OPT(1));
|
---|
822 | mrb_define_method(mrb, bsock, "_setnonblock", mrb_basicsocket_setnonblock, MRB_ARGS_REQ(1));
|
---|
823 | mrb_define_method(mrb, bsock, "getpeereid", mrb_basicsocket_getpeereid, MRB_ARGS_NONE());
|
---|
824 | mrb_define_method(mrb, bsock, "getpeername", mrb_basicsocket_getpeername, MRB_ARGS_NONE());
|
---|
825 | mrb_define_method(mrb, bsock, "getsockname", mrb_basicsocket_getsockname, MRB_ARGS_NONE());
|
---|
826 | mrb_define_method(mrb, bsock, "getsockopt", mrb_basicsocket_getsockopt, MRB_ARGS_REQ(2));
|
---|
827 | mrb_define_method(mrb, bsock, "recv", mrb_basicsocket_recv, MRB_ARGS_REQ(1)|MRB_ARGS_OPT(1));
|
---|
828 | // #recvmsg(maxlen, flags=0)
|
---|
829 | mrb_define_method(mrb, bsock, "send", mrb_basicsocket_send, MRB_ARGS_REQ(2)|MRB_ARGS_OPT(1));
|
---|
830 | // #sendmsg
|
---|
831 | // #sendmsg_nonblock
|
---|
832 | mrb_define_method(mrb, bsock, "setsockopt", mrb_basicsocket_setsockopt, MRB_ARGS_REQ(1)|MRB_ARGS_OPT(2));
|
---|
833 | mrb_define_method(mrb, bsock, "shutdown", mrb_basicsocket_shutdown, MRB_ARGS_OPT(1));
|
---|
834 |
|
---|
835 | ipsock = mrb_define_class(mrb, "IPSocket", bsock);
|
---|
836 | mrb_define_class_method(mrb, ipsock, "ntop", mrb_ipsocket_ntop, MRB_ARGS_REQ(1));
|
---|
837 | mrb_define_class_method(mrb, ipsock, "pton", mrb_ipsocket_pton, MRB_ARGS_REQ(2));
|
---|
838 | mrb_define_method(mrb, ipsock, "recvfrom", mrb_ipsocket_recvfrom, MRB_ARGS_REQ(1)|MRB_ARGS_OPT(1));
|
---|
839 |
|
---|
840 | tcpsock = mrb_define_class(mrb, "TCPSocket", ipsock);
|
---|
841 | mrb_define_class_method(mrb, tcpsock, "_allocate", mrb_tcpsocket_allocate, MRB_ARGS_NONE());
|
---|
842 | mrb_define_class(mrb, "TCPServer", tcpsock);
|
---|
843 |
|
---|
844 | mrb_define_class(mrb, "UDPSocket", ipsock);
|
---|
845 | //#recvfrom_nonblock
|
---|
846 |
|
---|
847 | sock = mrb_define_class(mrb, "Socket", bsock);
|
---|
848 | mrb_define_class_method(mrb, sock, "_accept", mrb_socket_accept, MRB_ARGS_REQ(1));
|
---|
849 | mrb_define_class_method(mrb, sock, "_bind", mrb_socket_bind, MRB_ARGS_REQ(3));
|
---|
850 | mrb_define_class_method(mrb, sock, "_connect", mrb_socket_connect, MRB_ARGS_REQ(3));
|
---|
851 | mrb_define_class_method(mrb, sock, "_listen", mrb_socket_listen, MRB_ARGS_REQ(2));
|
---|
852 | mrb_define_class_method(mrb, sock, "_sockaddr_family", mrb_socket_sockaddr_family, MRB_ARGS_REQ(1));
|
---|
853 | mrb_define_class_method(mrb, sock, "_socket", mrb_socket_socket, MRB_ARGS_REQ(3));
|
---|
854 | //mrb_define_class_method(mrb, sock, "gethostbyaddr", mrb_socket_gethostbyaddr, MRB_ARGS_REQ(1)|MRB_ARGS_OPT(1));
|
---|
855 | //mrb_define_class_method(mrb, sock, "gethostbyname", mrb_socket_gethostbyname, MRB_ARGS_REQ(1)|MRB_ARGS_OPT(1));
|
---|
856 | mrb_define_class_method(mrb, sock, "gethostname", mrb_socket_gethostname, MRB_ARGS_NONE());
|
---|
857 | //mrb_define_class_method(mrb, sock, "getservbyname", mrb_socket_getservbyname, MRB_ARGS_REQ(1)|MRB_ARGS_OPT(1));
|
---|
858 | //mrb_define_class_method(mrb, sock, "getservbyport", mrb_socket_getservbyport, MRB_ARGS_REQ(1)|MRB_ARGS_OPT(1));
|
---|
859 | mrb_define_class_method(mrb, sock, "sockaddr_un", mrb_socket_sockaddr_un, MRB_ARGS_REQ(1));
|
---|
860 | mrb_define_class_method(mrb, sock, "socketpair", mrb_socket_socketpair, MRB_ARGS_REQ(3));
|
---|
861 | //mrb_define_method(mrb, sock, "sysaccept", mrb_socket_accept, MRB_ARGS_NONE());
|
---|
862 |
|
---|
863 | #ifndef _WIN32
|
---|
864 | usock = mrb_define_class(mrb, "UNIXSocket", bsock);
|
---|
865 | #endif
|
---|
866 | //mrb_define_class_method(mrb, usock, "pair", mrb_unixsocket_open, MRB_ARGS_OPT(2));
|
---|
867 | //mrb_define_class_method(mrb, usock, "socketpair", mrb_unixsocket_open, MRB_ARGS_OPT(2));
|
---|
868 |
|
---|
869 | //mrb_define_method(mrb, usock, "recv_io", mrb_unixsocket_peeraddr, MRB_ARGS_NONE());
|
---|
870 | //mrb_define_method(mrb, usock, "recvfrom", mrb_unixsocket_peeraddr, MRB_ARGS_NONE());
|
---|
871 | //mrb_define_method(mrb, usock, "send_io", mrb_unixsocket_peeraddr, MRB_ARGS_NONE());
|
---|
872 |
|
---|
873 | /* Windows IO Method Overrides on BasicSocket */
|
---|
874 | #ifdef _WIN32
|
---|
875 | mrb_define_method(mrb, bsock, "close", mrb_win32_basicsocket_close, MRB_ARGS_NONE());
|
---|
876 | mrb_define_method(mrb, bsock, "sysread", mrb_win32_basicsocket_sysread, MRB_ARGS_REQ(1)|MRB_ARGS_OPT(1));
|
---|
877 | mrb_define_method(mrb, bsock, "sysseek", mrb_win32_basicsocket_sysseek, MRB_ARGS_REQ(1));
|
---|
878 | mrb_define_method(mrb, bsock, "syswrite", mrb_win32_basicsocket_syswrite, MRB_ARGS_REQ(1));
|
---|
879 | #endif
|
---|
880 |
|
---|
881 | constants = mrb_define_module_under(mrb, sock, "Constants");
|
---|
882 |
|
---|
883 | #define define_const(SYM) \
|
---|
884 | do { \
|
---|
885 | mrb_define_const(mrb, constants, #SYM, mrb_fixnum_value(SYM)); \
|
---|
886 | } while (0)
|
---|
887 |
|
---|
888 | #include "const.cstub"
|
---|
889 | }
|
---|
890 |
|
---|
891 | void
|
---|
892 | mrb_mruby_socket_gem_final(mrb_state* mrb)
|
---|
893 | {
|
---|
894 | mrb_value ai;
|
---|
895 | ai = mrb_mod_cv_get(mrb, mrb_class_get(mrb, "Addrinfo"), mrb_intern_lit(mrb, "_lastai"));
|
---|
896 | if (mrb_cptr_p(ai)) {
|
---|
897 | freeaddrinfo(mrb_cptr(ai));
|
---|
898 | }
|
---|
899 | #ifdef _WIN32
|
---|
900 | WSACleanup();
|
---|
901 | #endif
|
---|
902 | }
|
---|