diff options
Diffstat (limited to 'third-party/libuv/src/uv-common.c')
| -rw-r--r-- | third-party/libuv/src/uv-common.c | 446 |
1 files changed, 446 insertions, 0 deletions
diff --git a/third-party/libuv/src/uv-common.c b/third-party/libuv/src/uv-common.c new file mode 100644 index 0000000000..e5fc507756 --- /dev/null +++ b/third-party/libuv/src/uv-common.c @@ -0,0 +1,446 @@ +/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +/* Expose glibc-specific EAI_* error codes. Needs to be defined before we + * include any headers. + */ +#ifndef _GNU_SOURCE +# define _GNU_SOURCE +#endif + +#include "uv.h" +#include "uv-common.h" + +#include <stdio.h> +#include <assert.h> +#include <stddef.h> /* NULL */ +#include <stdlib.h> /* malloc */ +#include <string.h> /* memset */ + +#if defined(UV_PLATFORM_HAS_IP6_LINK_LOCAL_ADDRESS) && !defined(_WIN32) +# include <net/if.h> /* if_nametoindex */ +#endif + +/* EAI_* constants. */ +#if !defined(_WIN32) +# include <sys/types.h> +# include <sys/socket.h> +# include <netdb.h> +#endif + +#define XX(uc, lc) case UV_##uc: return sizeof(uv_##lc##_t); + +size_t uv_handle_size(uv_handle_type type) { + switch (type) { + UV_HANDLE_TYPE_MAP(XX) + default: + return -1; + } +} + +size_t uv_req_size(uv_req_type type) { + switch(type) { + UV_REQ_TYPE_MAP(XX) + default: + return -1; + } +} + +#undef XX + + +uv_buf_t uv_buf_init(char* base, unsigned int len) { + uv_buf_t buf; + buf.base = base; + buf.len = len; + return buf; +} + + +#define UV_ERR_NAME_GEN(name, _) case UV_ ## name: return #name; +const char* uv_err_name(int err) { + switch (err) { + UV_ERRNO_MAP(UV_ERR_NAME_GEN) + default: + assert(0); + return NULL; + } +} +#undef UV_ERR_NAME_GEN + + +#define UV_STRERROR_GEN(name, msg) case UV_ ## name: return msg; +const char* uv_strerror(int err) { + switch (err) { + UV_ERRNO_MAP(UV_STRERROR_GEN) + default: + return "Unknown system error"; + } +} +#undef UV_STRERROR_GEN + + +int uv_ip4_addr(const char* ip, int port, struct sockaddr_in* addr) { + memset(addr, 0, sizeof(*addr)); + addr->sin_family = AF_INET; + addr->sin_port = htons(port); + return uv_inet_pton(AF_INET, ip, &(addr->sin_addr.s_addr)); +} + + +int uv_ip6_addr(const char* ip, int port, struct sockaddr_in6* addr) { +#if defined(UV_PLATFORM_HAS_IP6_LINK_LOCAL_ADDRESS) + char address_part[40]; + size_t address_part_size; + const char* zone_index; +#endif + + memset(addr, 0, sizeof(*addr)); + addr->sin6_family = AF_INET6; + addr->sin6_port = htons(port); + +#if defined(UV_PLATFORM_HAS_IP6_LINK_LOCAL_ADDRESS) + zone_index = strchr(ip, '%'); + if (zone_index != NULL) { + address_part_size = zone_index - ip; + if (address_part_size >= sizeof(address_part)) + address_part_size = sizeof(address_part) - 1; + + memcpy(address_part, ip, address_part_size); + address_part[address_part_size] = '\0'; + ip = address_part; + + zone_index++; /* skip '%' */ + /* NOTE: unknown interface (id=0) is silently ignored */ +#ifdef _WIN32 + addr->sin6_scope_id = atoi(zone_index); +#else + addr->sin6_scope_id = if_nametoindex(zone_index); +#endif + } +#endif + + return uv_inet_pton(AF_INET6, ip, &addr->sin6_addr); +} + + +int uv_ip4_name(struct sockaddr_in* src, char* dst, size_t size) { + return uv_inet_ntop(AF_INET, &src->sin_addr, dst, size); +} + + +int uv_ip6_name(struct sockaddr_in6* src, char* dst, size_t size) { + return uv_inet_ntop(AF_INET6, &src->sin6_addr, dst, size); +} + + +int uv_tcp_bind(uv_tcp_t* handle, + const struct sockaddr* addr, + unsigned int flags) { + unsigned int addrlen; + + if (handle->type != UV_TCP) + return UV_EINVAL; + + if (addr->sa_family == AF_INET) + addrlen = sizeof(struct sockaddr_in); + else if (addr->sa_family == AF_INET6) + addrlen = sizeof(struct sockaddr_in6); + else + return UV_EINVAL; + + return uv__tcp_bind(handle, addr, addrlen, flags); +} + + +int uv_udp_bind(uv_udp_t* handle, + const struct sockaddr* addr, + unsigned int flags) { + unsigned int addrlen; + + if (handle->type != UV_UDP) + return UV_EINVAL; + + if (addr->sa_family == AF_INET) + addrlen = sizeof(struct sockaddr_in); + else if (addr->sa_family == AF_INET6) + addrlen = sizeof(struct sockaddr_in6); + else + return UV_EINVAL; + + return uv__udp_bind(handle, addr, addrlen, flags); +} + + +int uv_tcp_connect(uv_connect_t* req, + uv_tcp_t* handle, + const struct sockaddr* addr, + uv_connect_cb cb) { + unsigned int addrlen; + + if (handle->type != UV_TCP) + return UV_EINVAL; + + if (addr->sa_family == AF_INET) + addrlen = sizeof(struct sockaddr_in); + else if (addr->sa_family == AF_INET6) + addrlen = sizeof(struct sockaddr_in6); + else + return UV_EINVAL; + + return uv__tcp_connect(req, handle, addr, addrlen, cb); +} + + +int uv_udp_send(uv_udp_send_t* req, + uv_udp_t* handle, + const uv_buf_t bufs[], + unsigned int nbufs, + const struct sockaddr* addr, + uv_udp_send_cb send_cb) { + unsigned int addrlen; + + if (handle->type != UV_UDP) + return UV_EINVAL; + + if (addr->sa_family == AF_INET) + addrlen = sizeof(struct sockaddr_in); + else if (addr->sa_family == AF_INET6) + addrlen = sizeof(struct sockaddr_in6); + else + return UV_EINVAL; + + return uv__udp_send(req, handle, bufs, nbufs, addr, addrlen, send_cb); +} + + +int uv_udp_recv_start(uv_udp_t* handle, + uv_alloc_cb alloc_cb, + uv_udp_recv_cb recv_cb) { + if (handle->type != UV_UDP || alloc_cb == NULL || recv_cb == NULL) + return UV_EINVAL; + else + return uv__udp_recv_start(handle, alloc_cb, recv_cb); +} + + +int uv_udp_recv_stop(uv_udp_t* handle) { + if (handle->type != UV_UDP) + return UV_EINVAL; + else + return uv__udp_recv_stop(handle); +} + + +struct thread_ctx { + void (*entry)(void* arg); + void* arg; +}; + + +#ifdef _WIN32 +static UINT __stdcall uv__thread_start(void* arg) +#else +static void* uv__thread_start(void *arg) +#endif +{ + struct thread_ctx *ctx_p; + struct thread_ctx ctx; + + ctx_p = arg; + ctx = *ctx_p; + free(ctx_p); + ctx.entry(ctx.arg); + + return 0; +} + + +int uv_thread_create(uv_thread_t *tid, void (*entry)(void *arg), void *arg) { + struct thread_ctx* ctx; + int err; + + ctx = malloc(sizeof(*ctx)); + if (ctx == NULL) + return UV_ENOMEM; + + ctx->entry = entry; + ctx->arg = arg; + +#ifdef _WIN32 + *tid = (HANDLE) _beginthreadex(NULL, 0, uv__thread_start, ctx, 0, NULL); + err = *tid ? 0 : errno; +#else + err = pthread_create(tid, NULL, uv__thread_start, ctx); +#endif + + if (err) + free(ctx); + + return err ? -1 : 0; +} + + +unsigned long uv_thread_self(void) { +#ifdef _WIN32 + return (unsigned long) GetCurrentThreadId(); +#else + return (unsigned long) pthread_self(); +#endif +} + + +void uv_walk(uv_loop_t* loop, uv_walk_cb walk_cb, void* arg) { + QUEUE* q; + uv_handle_t* h; + + QUEUE_FOREACH(q, &loop->handle_queue) { + h = QUEUE_DATA(q, uv_handle_t, handle_queue); + if (h->flags & UV__HANDLE_INTERNAL) continue; + walk_cb(h, arg); + } +} + + +#ifndef NDEBUG +static void uv__print_handles(uv_loop_t* loop, int only_active) { + const char* type; + QUEUE* q; + uv_handle_t* h; + + if (loop == NULL) + loop = uv_default_loop(); + + QUEUE_FOREACH(q, &loop->handle_queue) { + h = QUEUE_DATA(q, uv_handle_t, handle_queue); + + if (only_active && !uv__is_active(h)) + continue; + + switch (h->type) { +#define X(uc, lc) case UV_##uc: type = #lc; break; + UV_HANDLE_TYPE_MAP(X) +#undef X + default: type = "<unknown>"; + } + + fprintf(stderr, + "[%c%c%c] %-8s %p\n", + "R-"[!(h->flags & UV__HANDLE_REF)], + "A-"[!(h->flags & UV__HANDLE_ACTIVE)], + "I-"[!(h->flags & UV__HANDLE_INTERNAL)], + type, + (void*)h); + } +} + + +void uv_print_all_handles(uv_loop_t* loop) { + uv__print_handles(loop, 0); +} + + +void uv_print_active_handles(uv_loop_t* loop) { + uv__print_handles(loop, 1); +} +#endif + + +void uv_ref(uv_handle_t* handle) { + uv__handle_ref(handle); +} + + +void uv_unref(uv_handle_t* handle) { + uv__handle_unref(handle); +} + + +int uv_has_ref(const uv_handle_t* handle) { + return uv__has_ref(handle); +} + + +void uv_stop(uv_loop_t* loop) { + loop->stop_flag = 1; +} + + +uint64_t uv_now(uv_loop_t* loop) { + return loop->time; +} + + +int uv__getaddrinfo_translate_error(int sys_err) { + switch (sys_err) { + case 0: return 0; +#if defined(EAI_ADDRFAMILY) + case EAI_ADDRFAMILY: return UV_EAI_ADDRFAMILY; +#endif +#if defined(EAI_AGAIN) + case EAI_AGAIN: return UV_EAI_AGAIN; +#endif +#if defined(EAI_BADFLAGS) + case EAI_BADFLAGS: return UV_EAI_BADFLAGS; +#endif +#if defined(EAI_BADHINTS) + case EAI_BADHINTS: return UV_EAI_BADHINTS; +#endif +#if defined(EAI_CANCELED) + case EAI_CANCELED: return UV_EAI_CANCELED; +#endif +#if defined(EAI_FAIL) + case EAI_FAIL: return UV_EAI_FAIL; +#endif +#if defined(EAI_FAMILY) + case EAI_FAMILY: return UV_EAI_FAMILY; +#endif +#if defined(EAI_MEMORY) + case EAI_MEMORY: return UV_EAI_MEMORY; +#endif +#if defined(EAI_NODATA) + case EAI_NODATA: return UV_EAI_NODATA; +#endif +#if defined(EAI_NONAME) +# if !defined(EAI_NODATA) || EAI_NODATA != EAI_NONAME + case EAI_NONAME: return UV_EAI_NONAME; +# endif +#endif +#if defined(EAI_OVERFLOW) + case EAI_OVERFLOW: return UV_EAI_OVERFLOW; +#endif +#if defined(EAI_PROTOCOL) + case EAI_PROTOCOL: return UV_EAI_PROTOCOL; +#endif +#if defined(EAI_SERVICE) + case EAI_SERVICE: return UV_EAI_SERVICE; +#endif +#if defined(EAI_SOCKTYPE) + case EAI_SOCKTYPE: return UV_EAI_SOCKTYPE; +#endif +#if defined(EAI_SYSTEM) + case EAI_SYSTEM: return UV_EAI_SYSTEM; +#endif + } + assert(!"unknown EAI_* error code"); + abort(); + return 0; /* Pacify compiler. */ +} |