| … | |
… | |
| 187 | S_GENSUB_ARG = arg; |
187 | S_GENSUB_ARG = arg; |
| 188 | |
188 | |
| 189 | return newRV_noinc ((SV *)cv); |
189 | return newRV_noinc ((SV *)cv); |
| 190 | } |
190 | } |
| 191 | |
191 | |
| 192 | #endif |
192 | /** portable pipe/socketpair */ |
| 193 | |
193 | |
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194 | #ifdef USE_SOCKETS_AS_HANDLES |
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195 | # define S_TO_SOCKET(x) (win32_get_osfhandle (x)) |
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196 | #else |
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197 | # define S_TO_SOCKET(x) (x) |
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198 | #endif |
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199 | |
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200 | #ifdef _WIN32 |
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201 | /* taken almost verbatim from libev's ev_win32.c */ |
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202 | /* oh, the humanity! */ |
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203 | static int |
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204 | s_pipe (int filedes [2]) |
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205 | { |
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206 | struct sockaddr_in addr = { 0 }; |
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207 | int addr_size = sizeof (addr); |
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208 | struct sockaddr_in adr2; |
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209 | int adr2_size = sizeof (adr2); |
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210 | SOCKET listener; |
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211 | SOCKET sock [2] = { -1, -1 }; |
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212 | |
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213 | if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
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214 | return -1; |
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215 | |
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216 | addr.sin_family = AF_INET; |
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217 | addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); |
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218 | addr.sin_port = 0; |
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219 | |
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220 | if (bind (listener, (struct sockaddr *)&addr, addr_size)) |
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221 | goto fail; |
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222 | |
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223 | if (getsockname (listener, (struct sockaddr *)&addr, &addr_size)) |
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224 | goto fail; |
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225 | |
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226 | if (listen (listener, 1)) |
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227 | goto fail; |
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228 | |
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229 | if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
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230 | goto fail; |
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231 | |
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232 | if (connect (sock [0], (struct sockaddr *)&addr, addr_size)) |
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233 | goto fail; |
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234 | |
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235 | if ((sock [1] = accept (listener, 0, 0)) < 0) |
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236 | goto fail; |
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237 | |
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238 | /* windows vista returns fantasy port numbers for getpeername. |
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239 | * example for two interconnected tcp sockets: |
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240 | * |
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241 | * (Socket::unpack_sockaddr_in getsockname $sock0)[0] == 53364 |
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242 | * (Socket::unpack_sockaddr_in getpeername $sock0)[0] == 53363 |
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243 | * (Socket::unpack_sockaddr_in getsockname $sock1)[0] == 53363 |
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244 | * (Socket::unpack_sockaddr_in getpeername $sock1)[0] == 53365 |
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245 | * |
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246 | * wow! tridirectional sockets! |
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247 | * |
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248 | * this way of checking ports seems to work: |
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249 | */ |
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250 | if (getpeername (sock [0], (struct sockaddr *)&addr, &addr_size)) |
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251 | goto fail; |
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252 | |
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253 | if (getsockname (sock [1], (struct sockaddr *)&adr2, &adr2_size)) |
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254 | goto fail; |
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255 | |
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256 | errno = WSAEINVAL; |
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257 | if (addr_size != adr2_size |
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258 | || addr.sin_addr.s_addr != adr2.sin_addr.s_addr /* just to be sure, I mean, it's windows */ |
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259 | || addr.sin_port != adr2.sin_port) |
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260 | goto fail; |
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261 | |
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262 | closesocket (listener); |
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263 | |
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264 | #ifdef USE_SOCKETS_AS_HANDLES |
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265 | /* when select isn't winsocket, we also expect socket, connect, accept etc. |
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266 | * to work on fds */ |
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267 | filedes [0] = sock [0]; |
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268 | filedes [1] = sock [1]; |
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269 | #else |
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270 | filedes [0] = _open_osfhandle (sock [0], 0); |
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271 | filedes [1] = _open_osfhandle (sock [1], 0); |
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272 | #endif |
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273 | |
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274 | return 0; |
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275 | |
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276 | fail: |
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277 | closesocket (listener); |
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278 | |
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279 | if (sock [0] != INVALID_SOCKET) closesocket (sock [0]); |
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280 | if (sock [1] != INVALID_SOCKET) closesocket (sock [1]); |
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281 | |
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282 | return -1; |
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283 | } |
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284 | |
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285 | #define s_socketpair(domain,type,protocol,filedes) s_pipe (filedes) |
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286 | |
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287 | #else |
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288 | |
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289 | #define s_socketpair(domain,type,protocol,filedes) socketpair (domain, type, protocol, filedes) |
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290 | #define s_pipe(filedes) pipe (filedes) |
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291 | |
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292 | #endif |
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293 | |
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294 | #endif |
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295 | |
