/* TODO(saghul): unify internal req functions */
static void uv__req_init(uv_loop_t* loop,
uv_req_t* req,
uv_req_type type) {
uv_req_init(loop, req);
req->type = type;
uv__req_register(loop, req);
}
int uv_queue_work(uv_loop_t* loop, uv_work_t* req, uv_work_cb work_cb,
uv_after_work_cb after_work_cb) {
if (work_cb == NULL) return uv__set_artificial_error(loop, UV_EINVAL);
uv_work_req_init(loop, req, work_cb, after_work_cb);
if (!QueueUserWorkItem(&uv_work_thread_proc, req, WT_EXECUTELONGFUNCTION)) {
uv__set_sys_error(loop, GetLastError());
return -1;
}
uv__req_register(loop, req);
return 0;
}
/*
* Entry point for getnameinfo
* return 0 if a callback will be made
* return error code if validation fails
*/
int uv_getnameinfo(uv_loop_t* loop,
uv_getnameinfo_t* req,
uv_getnameinfo_cb getnameinfo_cb,
const struct sockaddr* addr,
int flags) {
if (req == NULL || addr == NULL)
return UV_EINVAL;
if (addr->sa_family == AF_INET) {
memcpy(&req->storage,
addr,
sizeof(struct sockaddr_in));
} else if (addr->sa_family == AF_INET6) {
memcpy(&req->storage,
addr,
sizeof(struct sockaddr_in6));
} else {
return UV_EINVAL;
}
UV_REQ_INIT(req, UV_GETNAMEINFO);
uv__req_register(loop, req);
req->getnameinfo_cb = getnameinfo_cb;
req->flags = flags;
req->loop = loop;
req->retcode = 0;
if (getnameinfo_cb) {
uv__work_submit(loop,
&req->work_req,
UV__WORK_SLOW_IO,
uv__getnameinfo_work,
uv__getnameinfo_done);
return 0;
} else {
uv__getnameinfo_work(&req->work_req);
uv__getnameinfo_done(&req->work_req, 0);
return req->retcode;
}
}
/*
* Entry point for getnameinfo
* return 0 if a callback will be made
* return error code if validation fails
*/
int uv_getnameinfo(uv_loop_t* loop,
uv_getnameinfo_t* req,
uv_getnameinfo_cb getnameinfo_cb,
const struct sockaddr* addr,
int flags) {
if (req == NULL || getnameinfo_cb == NULL || addr == NULL)
return UV_EINVAL;
if (addr->sa_family == AF_INET) {
memcpy(&req->storage,
addr,
sizeof(struct sockaddr_in));
} else if (addr->sa_family == AF_INET6) {
memcpy(&req->storage,
addr,
sizeof(struct sockaddr_in6));
} else {
return UV_EINVAL;
}
uv_req_init(loop, (uv_req_t*)req);
req->getnameinfo_cb = getnameinfo_cb;
req->flags = flags;
req->type = UV_GETNAMEINFO;
req->loop = loop;
/* Ask thread to run. Treat this as a long operation. */
if (QueueUserWorkItem(&getnameinfo_thread_proc,
req,
WT_EXECUTELONGFUNCTION) == 0) {
return uv_translate_sys_error(GetLastError());
}
uv__req_register(loop, req);
return 0;
}
/*
* Entry point for getaddrinfo
* we convert the UTF-8 strings to UNICODE
* and save the UNICODE string pointers in the req
* We also copy hints so that caller does not need to keep memory until the
* callback.
* return 0 if a callback will be made
* return error code if validation fails
*
* To minimize allocation we calculate total size required,
* and copy all structs and referenced strings into the one block.
* Each size calculation is adjusted to avoid unaligned pointers.
*/
int uv_getaddrinfo(uv_loop_t* loop,
uv_getaddrinfo_t* req,
uv_getaddrinfo_cb getaddrinfo_cb,
const char* node,
const char* service,
const struct addrinfo* hints) {
int nodesize = 0;
int servicesize = 0;
int hintssize = 0;
char* alloc_ptr = NULL;
int err;
if (req == NULL || getaddrinfo_cb == NULL ||
(node == NULL && service == NULL)) {
err = WSAEINVAL;
goto error;
}
uv_req_init(loop, (uv_req_t*)req);
req->getaddrinfo_cb = getaddrinfo_cb;
req->res = NULL;
req->type = UV_GETADDRINFO;
req->loop = loop;
req->retcode = 0;
/* calculate required memory size for all input values */
if (node != NULL) {
nodesize = ALIGNED_SIZE(uv_utf8_to_utf16(node, NULL, 0) * sizeof(WCHAR));
if (nodesize == 0) {
err = GetLastError();
goto error;
}
}
if (service != NULL) {
servicesize = ALIGNED_SIZE(uv_utf8_to_utf16(service, NULL, 0) *
sizeof(WCHAR));
if (servicesize == 0) {
err = GetLastError();
goto error;
}
}
if (hints != NULL) {
hintssize = ALIGNED_SIZE(sizeof(struct addrinfoW));
}
/* allocate memory for inputs, and partition it as needed */
alloc_ptr = (char*)malloc(nodesize + servicesize + hintssize);
if (!alloc_ptr) {
err = WSAENOBUFS;
goto error;
}
/* save alloc_ptr now so we can free if error */
req->alloc = (void*)alloc_ptr;
/* convert node string to UTF16 into allocated memory and save pointer in */
/* the reques. */
if (node != NULL) {
req->node = (WCHAR*)alloc_ptr;
if (uv_utf8_to_utf16(node,
(WCHAR*) alloc_ptr,
nodesize / sizeof(WCHAR)) == 0) {
err = GetLastError();
goto error;
}
alloc_ptr += nodesize;
} else {
req->node = NULL;
}
/* convert service string to UTF16 into allocated memory and save pointer */
/* in the req. */
if (service != NULL) {
req->service = (WCHAR*)alloc_ptr;
if (uv_utf8_to_utf16(service,
(WCHAR*) alloc_ptr,
servicesize / sizeof(WCHAR)) == 0) {
err = GetLastError();
goto error;
}
alloc_ptr += servicesize;
} else {
req->service = NULL;
}
/* copy hints to allocated memory and save pointer in req */
if (hints != NULL) {
req->hints = (struct addrinfoW*)alloc_ptr;
req->hints->ai_family = hints->ai_family;
req->hints->ai_socktype = hints->ai_socktype;
req->hints->ai_protocol = hints->ai_protocol;
req->hints->ai_flags = hints->ai_flags;
req->hints->ai_addrlen = 0;
req->hints->ai_canonname = NULL;
req->hints->ai_addr = NULL;
req->hints->ai_next = NULL;
} else {
req->hints = NULL;
}
uv__work_submit(loop,
&req->work_req,
uv__getaddrinfo_work,
uv__getaddrinfo_done);
uv__req_register(loop, req);
return 0;
error:
if (req != NULL && req->alloc != NULL) {
free(req->alloc);
}
return uv_translate_sys_error(err);
}
/*
* Entry point for getaddrinfo
* we convert the UTF-8 strings to UNICODE
* and save the UNICODE string pointers in the req
* We also copy hints so that caller does not need to keep memory until the
* callback.
* return 0 if a callback will be made
* return error code if validation fails
*
* To minimize allocation we calculate total size required,
* and copy all structs and referenced strings into the one block.
* Each size calculation is adjusted to avoid unaligned pointers.
*/
int uv_getaddrinfo(uv_loop_t* loop,
uv_getaddrinfo_t* req,
uv_getaddrinfo_cb getaddrinfo_cb,
const char* node,
const char* service,
const struct addrinfo* hints) {
int nodesize = 0;
int servicesize = 0;
int hintssize = 0;
char* alloc_ptr = NULL;
int err;
if (req == NULL || (node == NULL && service == NULL)) {
return UV_EINVAL;
}
UV_REQ_INIT(req, UV_GETADDRINFO);
req->getaddrinfo_cb = getaddrinfo_cb;
req->addrinfo = NULL;
req->loop = loop;
req->retcode = 0;
/* calculate required memory size for all input values */
if (node != NULL) {
nodesize = ALIGNED_SIZE(MultiByteToWideChar(CP_UTF8, 0, node, -1, NULL, 0) *
sizeof(WCHAR));
if (nodesize == 0) {
err = GetLastError();
goto error;
}
}
if (service != NULL) {
servicesize = ALIGNED_SIZE(MultiByteToWideChar(CP_UTF8,
0,
service,
-1,
NULL,
0) *
sizeof(WCHAR));
if (servicesize == 0) {
err = GetLastError();
goto error;
}
}
if (hints != NULL) {
hintssize = ALIGNED_SIZE(sizeof(struct addrinfoW));
}
/* allocate memory for inputs, and partition it as needed */
alloc_ptr = (char*)uv__malloc(nodesize + servicesize + hintssize);
if (!alloc_ptr) {
err = WSAENOBUFS;
goto error;
}
/* save alloc_ptr now so we can free if error */
req->alloc = (void*)alloc_ptr;
/* Convert node string to UTF16 into allocated memory and save pointer in the
* request. */
if (node != NULL) {
req->node = (WCHAR*)alloc_ptr;
if (MultiByteToWideChar(CP_UTF8,
0,
node,
-1,
(WCHAR*) alloc_ptr,
nodesize / sizeof(WCHAR)) == 0) {
err = GetLastError();
goto error;
}
alloc_ptr += nodesize;
} else {
req->node = NULL;
}
/* Convert service string to UTF16 into allocated memory and save pointer in
* the req. */
if (service != NULL) {
req->service = (WCHAR*)alloc_ptr;
if (MultiByteToWideChar(CP_UTF8,
0,
service,
-1,
(WCHAR*) alloc_ptr,
servicesize / sizeof(WCHAR)) == 0) {
err = GetLastError();
goto error;
}
alloc_ptr += servicesize;
} else {
req->service = NULL;
}
/* copy hints to allocated memory and save pointer in req */
if (hints != NULL) {
req->addrinfow = (struct addrinfoW*)alloc_ptr;
req->addrinfow->ai_family = hints->ai_family;
req->addrinfow->ai_socktype = hints->ai_socktype;
req->addrinfow->ai_protocol = hints->ai_protocol;
req->addrinfow->ai_flags = hints->ai_flags;
req->addrinfow->ai_addrlen = 0;
req->addrinfow->ai_canonname = NULL;
req->addrinfow->ai_addr = NULL;
req->addrinfow->ai_next = NULL;
} else {
req->addrinfow = NULL;
}
uv__req_register(loop, req);
if (getaddrinfo_cb) {
uv__work_submit(loop,
&req->work_req,
UV__WORK_SLOW_IO,
uv__getaddrinfo_work,
uv__getaddrinfo_done);
return 0;
} else {
uv__getaddrinfo_work(&req->work_req);
uv__getaddrinfo_done(&req->work_req, 0);
return req->retcode;
}
error:
if (req != NULL) {
uv__free(req->alloc);
req->alloc = NULL;
}
return uv_translate_sys_error(err);
}
void uv__req_init_(uv_loop_t *loop, uv_req_t *req, uv_req_type type)
{
req->type = type;
uv__req_register(loop, req);
}
/*
* Entry point for getaddrinfo
* we convert the UTF-8 strings to UNICODE
* and save the UNICODE string pointers in the req
* We also copy hints so that caller does not need to keep memory until the
* callback.
* return UV_OK if a callback will be made
* return error code if validation fails
*
* To minimize allocation we calculate total size required,
* and copy all structs and referenced strings into the one block.
* Each size calculation is adjusted to avoid unaligned pointers.
*/
int uv_getaddrinfo(uv_loop_t* loop,
uv_getaddrinfo_t* req,
uv_getaddrinfo_cb getaddrinfo_cb,
const char* node,
const char* service,
const struct addrinfo* hints) {
int nodesize = 0;
int servicesize = 0;
int hintssize = 0;
char* alloc_ptr = NULL;
if (req == NULL || getaddrinfo_cb == NULL ||
(node == NULL && service == NULL)) {
uv__set_sys_error(loop, WSAEINVAL);
goto error;
}
uv_req_init(loop, (uv_req_t*)req);
req->getaddrinfo_cb = getaddrinfo_cb;
req->res = NULL;
req->type = UV_GETADDRINFO;
req->loop = loop;
/* calculate required memory size for all input values */
if (node != NULL) {
nodesize = ALIGNED_SIZE(uv_utf8_to_utf16(node, NULL, 0) * sizeof(wchar_t));
if (nodesize == 0) {
uv__set_sys_error(loop, GetLastError());
goto error;
}
}
if (service != NULL) {
servicesize = ALIGNED_SIZE(uv_utf8_to_utf16(service, NULL, 0) *
sizeof(wchar_t));
if (servicesize == 0) {
uv__set_sys_error(loop, GetLastError());
goto error;
}
}
if (hints != NULL) {
hintssize = ALIGNED_SIZE(sizeof(struct addrinfoW));
}
/* allocate memory for inputs, and partition it as needed */
alloc_ptr = (char*)malloc(nodesize + servicesize + hintssize);
if (!alloc_ptr) {
uv__set_sys_error(loop, WSAENOBUFS);
goto error;
}
/* save alloc_ptr now so we can free if error */
req->alloc = (void*)alloc_ptr;
/* convert node string to UTF16 into allocated memory and save pointer in */
/* the reques. */
if (node != NULL) {
req->node = (wchar_t*)alloc_ptr;
if (uv_utf8_to_utf16(node,
(wchar_t*) alloc_ptr,
nodesize / sizeof(wchar_t)) == 0) {
uv__set_sys_error(loop, GetLastError());
goto error;
}
alloc_ptr += nodesize;
} else {
req->node = NULL;
}
/* convert service string to UTF16 into allocated memory and save pointer */
/* in the req. */
if (service != NULL) {
req->service = (wchar_t*)alloc_ptr;
if (uv_utf8_to_utf16(service,
(wchar_t*) alloc_ptr,
servicesize / sizeof(wchar_t)) == 0) {
uv__set_sys_error(loop, GetLastError());
goto error;
}
alloc_ptr += servicesize;
} else {
req->service = NULL;
}
/* copy hints to allocated memory and save pointer in req */
if (hints != NULL) {
req->hints = (struct addrinfoW*)alloc_ptr;
req->hints->ai_family = hints->ai_family;
req->hints->ai_socktype = hints->ai_socktype;
req->hints->ai_protocol = hints->ai_protocol;
req->hints->ai_flags = hints->ai_flags;
req->hints->ai_addrlen = 0;
req->hints->ai_canonname = NULL;
req->hints->ai_addr = NULL;
req->hints->ai_next = NULL;
} else {
req->hints = NULL;
}
/* Ask thread to run. Treat this as a long operation */
if (QueueUserWorkItem(&getaddrinfo_thread_proc,
req,
WT_EXECUTELONGFUNCTION) == 0) {
uv__set_sys_error(loop, GetLastError());
goto error;
}
uv__req_register(loop, req);
return 0;
error:
if (req != NULL && req->alloc != NULL) {
free(req->alloc);
}
return -1;
}
