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/* 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.
*/
#include "uv.h"
#include "uv-common.h"
#include <assert.h>
#include <stddef.h> /* NULL */
#include <string.h> /* memset */
/* use inet_pton from c-ares if necessary */
#include "ares_config.h"
#include "ares/inet_net_pton.h"
#include "ares/inet_ntop.h"
static uv_counters_t counters;
uv_counters_t* uv_counters() {
return &counters;
}
uv_buf_t uv_buf_init(char* base, size_t len) {
uv_buf_t buf;
buf.base = base;
buf.len = len;
return buf;
}
const char* uv_err_name(uv_err_t err) {
switch (err.code) {
case UV_UNKNOWN: return "UNKNOWN";
case UV_OK: return "OK";
case UV_EOF: return "EOF";
case UV_EACCESS: return "EACCESS";
case UV_EAGAIN: return "EAGAIN";
case UV_EADDRINUSE: return "EADDRINUSE";
case UV_EADDRNOTAVAIL: return "EADDRNOTAVAIL";
case UV_EAFNOSUPPORT: return "EAFNOSUPPORT";
case UV_EALREADY: return "EALREADY";
case UV_EBADF: return "EBADF";
case UV_EBUSY: return "EBUSY";
case UV_ECONNABORTED: return "ECONNABORTED";
case UV_ECONNREFUSED: return "ECONNREFUSED";
case UV_ECONNRESET: return "ECONNRESET";
case UV_EDESTADDRREQ: return "EDESTADDRREQ";
case UV_EFAULT: return "EFAULT";
case UV_EHOSTUNREACH: return "EHOSTUNREACH";
case UV_EINTR: return "EINTR";
case UV_EINVAL: return "EINVAL";
case UV_EISCONN: return "EISCONN";
case UV_EMFILE: return "EMFILE";
case UV_ENETDOWN: return "ENETDOWN";
case UV_ENETUNREACH: return "ENETUNREACH";
case UV_ENFILE: return "ENFILE";
case UV_ENOBUFS: return "ENOBUFS";
case UV_ENOMEM: return "ENOMEM";
case UV_ENOTDIR: return "ENOTDIR";
case UV_ENONET: return "ENONET";
case UV_ENOPROTOOPT: return "ENOPROTOOPT";
case UV_ENOTCONN: return "ENOTCONN";
case UV_ENOTSOCK: return "ENOTSOCK";
case UV_ENOTSUP: return "ENOTSUP";
case UV_ENOENT: return "ENOENT";
case UV_ENOSYS: return "ENOSYS";
case UV_EPIPE: return "EPIPE";
case UV_EPROTO: return "EPROTO";
case UV_EPROTONOSUPPORT: return "EPROTONOSUPPORT";
case UV_EPROTOTYPE: return "EPROTOTYPE";
case UV_ETIMEDOUT: return "ETIMEDOUT";
case UV_EEXIST: return "EEXIST";
default:
assert(0);
return NULL;
}
}
void uv__set_error(uv_loop_t* loop, uv_err_code code, int sys_error) {
loop->last_err.code = code;
loop->last_err.sys_errno_ = sys_error;
}
void uv__set_sys_error(uv_loop_t* loop, int sys_error) {
loop->last_err.code = uv_translate_sys_error(sys_error);
loop->last_err.sys_errno_ = sys_error;
}
void uv__set_artificial_error(uv_loop_t* loop, uv_err_code code) {
loop->last_err.code = code;
loop->last_err.sys_errno_ = 0;
}
uv_err_t uv__new_sys_error(int sys_error) {
uv_err_t error;
error.code = uv_translate_sys_error(sys_error);
error.sys_errno_ = sys_error;
return error;
}
uv_err_t uv_last_error(uv_loop_t* loop) {
return loop->last_err;
}
struct sockaddr_in uv_ip4_addr(const char* ip, int port) {
struct sockaddr_in addr;
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = inet_addr(ip);
return addr;
}
struct sockaddr_in6 uv_ip6_addr(const char* ip, int port) {
struct sockaddr_in6 addr;
memset(&addr, 0, sizeof(struct sockaddr_in6));
addr.sin6_family = AF_INET6;
addr.sin6_port = htons(port);
ares_inet_pton(AF_INET6, ip, &addr.sin6_addr);
return addr;
}
int uv_ip4_name(struct sockaddr_in* src, char* dst, size_t size) {
const char* d = ares_inet_ntop(AF_INET, &src->sin_addr, dst, size);
return d != dst;
}
int uv_ip6_name(struct sockaddr_in6* src, char* dst, size_t size) {
const char* d = ares_inet_ntop(AF_INET6, &src->sin6_addr, dst, size);
return d != dst;
}
/* find matching ares handle in list */
void uv_add_ares_handle(uv_loop_t* loop, uv_ares_task_t* handle) {
handle->loop = loop;
handle->ares_next = loop->uv_ares_handles_;
handle->ares_prev = NULL;
if (loop->uv_ares_handles_) {
loop->uv_ares_handles_->ares_prev = handle;
}
loop->uv_ares_handles_ = handle;
}
/* find matching ares handle in list */
/* TODO: faster lookup */
uv_ares_task_t* uv_find_ares_handle(uv_loop_t* loop, ares_socket_t sock) {
uv_ares_task_t* handle = loop->uv_ares_handles_;
while (handle != NULL) {
if (handle->sock == sock) {
break;
}
handle = handle->ares_next;
}
return handle;
}
/* remove ares handle in list */
void uv_remove_ares_handle(uv_ares_task_t* handle) {
uv_loop_t* loop = handle->loop;
if (handle == loop->uv_ares_handles_) {
loop->uv_ares_handles_ = handle->ares_next;
}
if (handle->ares_next) {
handle->ares_next->ares_prev = handle->ares_prev;
}
if (handle->ares_prev) {
handle->ares_prev->ares_next = handle->ares_next;
}
}
/* Returns 1 if the uv_ares_handles_ list is empty. 0 otherwise. */
int uv_ares_handles_empty(uv_loop_t* loop) {
return loop->uv_ares_handles_ ? 0 : 1;
}
int uv_tcp_bind(uv_tcp_t* handle, struct sockaddr_in addr) {
if (handle->type != UV_TCP || addr.sin_family != AF_INET) {
uv__set_artificial_error(handle->loop, UV_EFAULT);
return -1;
}
return uv__tcp_bind(handle, addr);
}
int uv_tcp_bind6(uv_tcp_t* handle, struct sockaddr_in6 addr) {
if (handle->type != UV_TCP || addr.sin6_family != AF_INET6) {
uv__set_artificial_error(handle->loop, UV_EFAULT);
return -1;
}
return uv__tcp_bind6(handle, addr);
}
int uv_udp_bind(uv_udp_t* handle, struct sockaddr_in addr,
unsigned int flags) {
if (handle->type != UV_UDP || addr.sin_family != AF_INET) {
uv__set_artificial_error(handle->loop, UV_EFAULT);
return -1;
}
return uv__udp_bind(handle, addr, flags);
}
int uv_udp_bind6(uv_udp_t* handle, struct sockaddr_in6 addr,
unsigned int flags) {
if (handle->type != UV_UDP || addr.sin6_family != AF_INET6) {
uv__set_artificial_error(handle->loop, UV_EFAULT);
return -1;
}
return uv__udp_bind6(handle, addr, flags);
}
int uv_tcp_connect(uv_connect_t* req,
uv_tcp_t* handle,
struct sockaddr_in address,
uv_connect_cb cb) {
if (handle->type != UV_TCP || address.sin_family != AF_INET) {
uv__set_artificial_error(handle->loop, UV_EINVAL);
return -1;
}
return uv__tcp_connect(req, handle, address, cb);
}
int uv_tcp_connect6(uv_connect_t* req,
uv_tcp_t* handle,
struct sockaddr_in6 address,
uv_connect_cb cb) {
if (handle->type != UV_TCP || address.sin6_family != AF_INET6) {
uv__set_artificial_error(handle->loop, UV_EINVAL);
return -1;
}
return uv__tcp_connect6(req, handle, address, cb);
}
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