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zmq.c
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zmq.c
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/*
+-----------------------------------------------------------------------------------+
| ZMQ extension for PHP |
| Copyright (c) 2010-2013, Mikko Koppanen <mkoppanen@php.net> |
| All rights reserved. |
+-----------------------------------------------------------------------------------+
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| * Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| * Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| * Neither the name of the copyright holder nor the |
| names of its contributors may be used to endorse or promote products |
| derived from this software without specific prior written permission. |
+-----------------------------------------------------------------------------------+
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| DISCLAIMED. IN NO EVENT SHALL MIKKO KOPPANEN BE LIABLE FOR ANY |
| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+-----------------------------------------------------------------------------------+
*/
#include "php_zmq.h"
#include "php_zmq_private.h"
#include "php_zmq_pollset.h"
ZEND_DECLARE_MODULE_GLOBALS(php_zmq);
static zend_class_entry *php_zmq_sc_entry;
static zend_class_entry *php_zmq_context_sc_entry;
static zend_class_entry *php_zmq_socket_sc_entry;
static zend_class_entry *php_zmq_poll_sc_entry;
static zend_class_entry *php_zmq_device_sc_entry;
static zend_class_entry *php_zmq_exception_sc_entry;
static zend_class_entry *php_zmq_context_exception_sc_entry;
static zend_class_entry *php_zmq_socket_exception_sc_entry;
static zend_class_entry *php_zmq_poll_exception_sc_entry;
static zend_class_entry *php_zmq_device_exception_sc_entry;
static zend_object_handlers zmq_object_handlers;
static zend_object_handlers zmq_socket_object_handlers;
static zend_object_handlers zmq_context_object_handlers;
static zend_object_handlers zmq_poll_object_handlers;
static zend_object_handlers zmq_device_object_handlers;
#ifdef HAVE_CZMQ_2
static zend_class_entry *php_zmq_cert_sc_entry;
static zend_class_entry *php_zmq_auth_sc_entry;
static zend_class_entry *php_zmq_cert_exception_sc_entry;
static zend_class_entry *php_zmq_auth_exception_sc_entry;
static zend_object_handlers zmq_cert_object_handlers;
static zend_object_handlers zmq_auth_object_handlers;
#endif
#include "zmq_object_access.c"
zend_class_entry *php_zmq_context_exception_sc_entry_get ()
{
return php_zmq_context_exception_sc_entry;
}
zend_class_entry *php_zmq_socket_exception_sc_entry_get ()
{
return php_zmq_socket_exception_sc_entry;
}
zend_class_entry *php_zmq_device_exception_sc_entry_get ()
{
return php_zmq_device_exception_sc_entry;
}
static
zend_long php_zmq_context_socket_count_get(php_zmq_context *context)
{
zend_long value = 0;
if (context->use_shared_ctx) {
value = php_zmq_shared_ctx_socket_count();
}
else {
value = context->socket_count;
}
return value;
}
static
void php_zmq_context_socket_count_incr(php_zmq_context *context)
{
if (context->use_shared_ctx) {
php_zmq_shared_ctx_socket_count_incr();
}
else {
context->socket_count++;
}
}
static
void php_zmq_context_socket_count_decr(php_zmq_context *context)
{
if (context->use_shared_ctx) {
php_zmq_shared_ctx_socket_count_decr();
}
else {
context->socket_count--;
}
}
/* list entries */
static int le_zmq_socket, le_zmq_context;
/** {{{ static int php_zmq_socket_list_entry(void)
*/
static int php_zmq_socket_list_entry(void)
{
return le_zmq_socket;
}
/* }}} */
/* {{{ static int php_zmq_context_list_entry(void)
*/
static int php_zmq_context_list_entry(void)
{
return le_zmq_context;
}
/* }}} */
/* {{{ static void php_zmq_context_destroy(php_zmq_context *context)
Destroy the context
*/
static void php_zmq_context_destroy(php_zmq_context *context)
{
if (context->pid == getpid()) {
(void) zmq_term(context->z_ctx);
}
pefree(context, context->is_persistent);
}
/* }}} */
/* {{{ static void php_zmq_socket_destroy(php_zmq_socket *zmq_sock)
Destroy the socket (note: does not touch context)
*/
static void php_zmq_socket_destroy(php_zmq_socket *zmq_sock)
{
zend_hash_destroy(&(zmq_sock->connect));
zend_hash_destroy(&(zmq_sock->bind));
/* Decrement socket count */
php_zmq_context_socket_count_decr(zmq_sock->ctx);
if (zmq_sock->pid == getpid ()) {
(void) zmq_close(zmq_sock->z_socket);
}
pefree(zmq_sock, zmq_sock->is_persistent);
}
/* }}} */
/* --- START ZMQContext --- */
/* {{{ static php_zmq_context *php_zmq_context_new(zend_long io_threads, zend_bool is_persistent, zend_bool use_shared_ctx)
Create a new zmq context
*/
static
php_zmq_context *php_zmq_context_new(zend_long io_threads, zend_bool is_persistent, zend_bool use_shared_ctx)
{
php_zmq_context *context = pecalloc(1, sizeof(php_zmq_context), is_persistent);
if (use_shared_ctx) {
php_zmq_shared_ctx_assign_to(context);
}
else {
context->z_ctx = zmq_init(io_threads);
}
if (!context->z_ctx) {
pefree(context, is_persistent);
return NULL;
}
context->io_threads = io_threads;
context->is_persistent = is_persistent;
context->pid = getpid();
context->socket_count = 0;
context->use_shared_ctx = use_shared_ctx;
return context;
}
/* }}} */
/* {{{ static php_zmq_context *php_zmq_context_get(zend_long io_threads, zend_bool is_persistent)
*/
static
php_zmq_context *php_zmq_context_get(zend_long io_threads, zend_bool is_persistent)
{
php_zmq_context *context;
zend_string *plist_key = NULL;
if (is_persistent) {
zend_resource *le_p = NULL;
plist_key = strpprintf(0, "zmq_context=[%ld]", (long)io_threads);
if ((le_p = zend_hash_find_ptr(&EG(persistent_list), plist_key)) != NULL) {
if (le_p->type == php_zmq_context_list_entry()) {
if (plist_key) {
zend_string_release(plist_key);
}
return (php_zmq_context *) le_p->ptr;
}
}
}
context = php_zmq_context_new(io_threads, is_persistent, 0);
if (!context) {
if (plist_key) {
zend_string_release(plist_key);
}
return NULL;
}
if (is_persistent) {
zend_resource le;
le.type = php_zmq_context_list_entry();
le.ptr = context;
#if PHP_VERSION_ID < 70300
GC_REFCOUNT(&le) = 1;
#else
GC_SET_REFCOUNT(&le, 1);
#endif
/* plist_key is not a persistent allocated key, thus we use str_update here */
if (zend_hash_str_update_mem(&EG(persistent_list), plist_key->val, plist_key->len, &le, sizeof(le)) == NULL) {
if (plist_key) {
zend_string_release(plist_key);
}
php_error_docref(NULL, E_ERROR, "Could not register persistent entry for the context");
/* not reached */
}
}
if (plist_key) {
zend_string_release(plist_key);
}
return context;
}
/* }}} */
/* {{{ proto ZMQ ZMQ::__construct()
Private constructor
*/
PHP_METHOD(zmq, __construct) {}
/* }}} */
/* {{{ proto integer ZMQ::clock()
A monotonic clock
*/
PHP_METHOD(zmq, clock)
{
if (zend_parse_parameters_none() == FAILURE) {
return;
}
RETURN_LONG((long) php_zmq_clock (ZMQ_G (clock_ctx)));
}
/* }}} */
#ifdef PHP_ZMQ_HAVE_Z85
/* {{{ proto string ZMQ::z85Encode(string $data)
*/
PHP_METHOD(zmq, z85encode)
{
zend_string *data;
char *buffer;
size_t buffer_size;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "S", &data) == FAILURE) {
return;
}
if (!data->len) {
RETURN_NULL();
}
buffer_size = 5 * data->len / 4 + 1;
buffer = emalloc(buffer_size);
if (!zmq_z85_encode (buffer, (const uint8_t *) data->val, data->len)) {
efree(buffer);
RETURN_NULL();
}
RETVAL_STRINGL(buffer, buffer_size - 1);
efree(buffer);
return;
}
/* }}} */
/* {{{ proto string ZMQ::z85Decode(string $z85_encoded_data)
*/
PHP_METHOD(zmq, z85decode)
{
zend_string *data;
uint8_t *buffer;
size_t buffer_size;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "S", &data) == FAILURE) {
return;
}
if (!data->len) {
RETURN_NULL();
}
buffer_size = 4 * data->len / 5;
buffer = emalloc(buffer_size);
if (!zmq_z85_decode (buffer, data->val)) {
efree(buffer);
RETURN_NULL();
}
RETVAL_STRINGL((char *) buffer, buffer_size);
efree(buffer);
return;
}
/* }}} */
#endif
#ifdef PHP_ZMQ_HAVE_CURVE_KEYPAIR
#define PHP_ZMQ_KEY_SIZE 41
/* {{{ proto array ZMQ::curveKeypair()
*/
PHP_METHOD(zmq, curvekeypair)
{
char public_key[PHP_ZMQ_KEY_SIZE], secret_key[PHP_ZMQ_KEY_SIZE];
if (zend_parse_parameters_none() == FAILURE) {
return;
}
if (zmq_curve_keypair(public_key, secret_key) == 0) {
array_init(return_value);
add_assoc_stringl(return_value, "public_key", public_key, PHP_ZMQ_KEY_SIZE - 1);
add_assoc_stringl(return_value, "secret_key", secret_key, PHP_ZMQ_KEY_SIZE - 1);
}
}
/* }}} */
#endif
/* {{{ proto ZMQContext ZMQContext::__construct(integer $io_threads[, boolean $is_persistent = true])
Build a new ZMQContext object
*/
PHP_METHOD(zmqcontext, __construct)
{
php_zmq_context_object *intern;
zend_long io_threads = 1;
zend_bool is_persistent = 1;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|lb", &io_threads, &is_persistent) == FAILURE) {
return;
}
intern = php_zmq_context_fetch_object(Z_OBJ_P(getThis()));
intern->context = php_zmq_context_get(io_threads, is_persistent);
if (!intern->context) {
zend_throw_exception_ex(php_zmq_context_exception_sc_entry, errno, "Error creating context: %s", zmq_strerror(errno));
return;
}
return;
}
/* }}} */
/* {{{ proto ZMQContext ZMQContext::acquire()
Acquires a handle to the process global context
*/
PHP_METHOD(zmqcontext, acquire)
{
php_zmq_context *context;
php_zmq_context_object *intern;
if (zend_parse_parameters_none() == FAILURE) {
return;
}
context = php_zmq_context_new(1, 1, 1);
// Create a global context
object_init_ex(return_value, php_zmq_context_sc_entry);
intern = php_zmq_context_fetch_object(Z_OBJ_P(return_value));
intern->context = context;
return;
}
/* }}} */
/* {{{ proto integer ZMQContext::getSocketCount()
Number of active sockets in this context
*/
PHP_METHOD(zmqcontext, getsocketcount)
{
php_zmq_context_object *intern;
if (zend_parse_parameters_none() == FAILURE) {
return;
}
intern = PHP_ZMQ_CONTEXT_OBJECT;
RETURN_LONG(php_zmq_context_socket_count_get(intern->context));
}
/* }}} */
#ifdef PHP_ZMQ_HAVE_CTX_OPTIONS
/* {{{ proto ZMQContext ZMQContext::setOpt(int option, int value)
Set a context option
*/
PHP_METHOD(zmqcontext, setOpt)
{
php_zmq_context_object *intern;
zend_long option, value;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "ll", &option, &value) == FAILURE) {
return;
}
intern = PHP_ZMQ_CONTEXT_OBJECT;
switch (option) {
case ZMQ_MAX_SOCKETS:
{
if (zmq_ctx_set(intern->context->z_ctx, option, value) != 0) {
zend_throw_exception_ex(php_zmq_context_exception_sc_entry_get (), errno, "Failed to set the option ZMQ::CTXOPT_MAX_SOCKETS value: %s", zmq_strerror(errno));
return;
}
}
break;
default:
{
zend_throw_exception(php_zmq_context_exception_sc_entry_get (), "Unknown option key", PHP_ZMQ_INTERNAL_ERROR);
return;
}
}
return;
}
/* }}} */
/* {{{ proto ZMQContext ZMQContext::getOpt(int option)
Set a context option
*/
PHP_METHOD(zmqcontext, getOpt)
{
php_zmq_context_object *intern;
zend_long option;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &option) == FAILURE) {
return;
}
intern = PHP_ZMQ_CONTEXT_OBJECT;
switch (option) {
case ZMQ_MAX_SOCKETS:
{
int value = zmq_ctx_get(intern->context->z_ctx, option);
RETURN_LONG(value);
}
break;
default:
{
zend_throw_exception(php_zmq_context_exception_sc_entry_get (), "Unknown option key", PHP_ZMQ_INTERNAL_ERROR);
return;
}
}
return;
}
/* }}} */
#endif
/* {{{ static php_zmq_socket *php_zmq_socket_new(php_zmq_context *context, int type, zend_bool is_persistent)
Create a new zmq socket
*/
static
php_zmq_socket *php_zmq_socket_new(php_zmq_context *context, zend_long type, zend_bool is_persistent)
{
php_zmq_socket *zmq_sock;
zmq_sock = pecalloc(1, sizeof(php_zmq_socket), is_persistent);
zmq_sock->z_socket = zmq_socket(context->z_ctx, type);
zmq_sock->pid = getpid();
zmq_sock->ctx = context;
zmq_sock->socket_type = type;
if (!zmq_sock->z_socket) {
pefree(zmq_sock, is_persistent);
return NULL;
}
/* Increment socket count */
php_zmq_context_socket_count_incr(context);
zmq_sock->is_persistent = is_persistent;
zend_hash_init(&(zmq_sock->connect), 0, NULL, NULL, is_persistent);
zend_hash_init(&(zmq_sock->bind), 0, NULL, NULL, is_persistent);
return zmq_sock;
}
/* }}} */
static
zend_string *php_zmq_socket_plist_key(zend_long type, zend_string *persistent_id, zend_bool use_shared_ctx)
{
return strpprintf(0, "zmq_socket:[%ld]-[%s]-[%d]", (long)type, persistent_id->val, use_shared_ctx);
}
static
void php_zmq_socket_store(php_zmq_socket *zmq_sock_p, zend_long type, zend_string *persistent_id, zend_bool use_shared_ctx)
{
zend_string *plist_key = NULL;
zend_resource le;
le.type = php_zmq_socket_list_entry();
le.ptr = zmq_sock_p;
#if PHP_VERSION_ID < 70300
GC_REFCOUNT(&le) = 1;
#else
GC_SET_REFCOUNT(&le, 1);
#endif
plist_key = php_zmq_socket_plist_key(type, persistent_id, use_shared_ctx);
/* plist_key is not a persistent allocated key, thus we use str_update here */
if (zend_hash_str_update_mem(&EG(persistent_list), plist_key->val, plist_key->len, &le, sizeof(le)) == NULL) {
if (plist_key) {
zend_string_release(plist_key);
}
php_error_docref(NULL, E_ERROR, "Could not register persistent entry for the socket");
/* not reached */
}
if (plist_key) {
zend_string_release(plist_key);
}
}
/* {{{ static php_zmq_socket *php_zmq_socket_get(php_zmq_context *context, zend_long type, zend_string *persistent_id, zend_bool *is_new)
Tries to get context from plist and allocates a new context if context does not exist
*/
static php_zmq_socket *php_zmq_socket_get(php_zmq_context *context, zend_long type, zend_string *persistent_id, zend_bool *is_new)
{
php_zmq_socket *zmq_sock_p;
zend_string *plist_key = NULL;
zend_bool is_persistent = 0;
is_persistent = (context->is_persistent && persistent_id && persistent_id->len) ? 1 : 0;
*is_new = 0;
if (is_persistent) {
zend_resource *le_p = NULL;
plist_key = php_zmq_socket_plist_key(type, persistent_id, context->use_shared_ctx);
if ((le_p = zend_hash_find_ptr(&EG(persistent_list), plist_key)) != NULL) {
if (le_p->type == php_zmq_socket_list_entry()) {
if (plist_key) {
zend_string_release(plist_key);
}
return (php_zmq_socket *) le_p->ptr;
}
}
}
zmq_sock_p = php_zmq_socket_new(context, type, is_persistent);
if (plist_key) {
zend_string_release(plist_key);
}
if (!zmq_sock_p) {
return NULL;
}
*is_new = 1;
return zmq_sock_p;
}
/* }}} */
static
zend_bool php_zmq_connect_callback(zval *socket, zend_fcall_info *fci, zend_fcall_info_cache *fci_cache, zend_string *persistent_id)
{
zval retval;
zval params[2];
zend_bool rv = 1;
/* Call the cb */
params[0] = *socket;
if (persistent_id && persistent_id->len) {
ZVAL_STR(¶ms[1], zend_string_copy(persistent_id));
} else {
ZVAL_NULL(¶ms[1]);
}
fci->params = params;
fci->param_count = 2;
fci->retval = &retval;
#if PHP_VERSION_ID < 80000
fci->no_separation = 1;
#endif
if (zend_call_function(fci, fci_cache) == FAILURE) {
if (!EG(exception)) {
char *func_name = php_zmq_printable_func(fci, fci_cache);
zend_throw_exception_ex(php_zmq_socket_exception_sc_entry, 0, "Failed to invoke 'on_new_socket' callback %s()", func_name);
efree(func_name);
}
rv = 0;
}
zval_ptr_dtor(¶ms[1]);
if (Z_TYPE(retval) != IS_UNDEF) {
zval_ptr_dtor(&retval);
}
if (EG(exception)) {
rv = 0;
}
return rv;
}
/* {{{ proto ZMQContext ZMQContext::getSocket(integer $type[, string $persistent_id = null[, callback $on_new_socket = null]])
Build a new ZMQContext object
*/
PHP_METHOD(zmqcontext, getsocket)
{
php_zmq_socket *socket;
php_zmq_socket_object *interns;
php_zmq_context_object *intern;
zend_long type;
zend_string *persistent_id = NULL;
int rc;
zend_bool is_new;
zend_fcall_info fci;
zend_fcall_info_cache fci_cache;
PHP_ZMQ_ERROR_HANDLING_INIT()
PHP_ZMQ_ERROR_HANDLING_THROW()
fci.size = 0;
rc = zend_parse_parameters(ZEND_NUM_ARGS(), "l|S!f!", &type, &persistent_id, &fci, &fci_cache);
PHP_ZMQ_ERROR_HANDLING_RESTORE()
if (rc == FAILURE) {
return;
}
intern = php_zmq_context_fetch_object(Z_OBJ_P(getThis()));
socket = php_zmq_socket_get(intern->context, type, persistent_id, &is_new);
if (!socket) {
zend_throw_exception_ex(php_zmq_socket_exception_sc_entry, errno, "Error creating socket: %s", zmq_strerror(errno));
return;
}
object_init_ex(return_value, php_zmq_socket_sc_entry);
interns = php_zmq_socket_fetch_object(Z_OBJ_P(return_value));
interns->socket = socket;
/* Need to add refcount if context is not persistent */
if (!intern->context->is_persistent) {
ZVAL_OBJ(&interns->context_obj, &intern->zo);
Z_ADDREF(interns->context_obj);
}
if (is_new) {
if (fci.size) {
if (!php_zmq_connect_callback(return_value, &fci, &fci_cache, persistent_id)) {
php_zmq_socket_destroy(socket);
interns->socket = NULL;
return;
}
}
if (socket->is_persistent) {
php_zmq_socket_store(socket, type, persistent_id, intern->context->use_shared_ctx);
}
}
if (socket->is_persistent) {
interns->persistent_id = estrdup(persistent_id->val);
}
return;
}
/* }}} */
/* {{{ proto ZMQContext ZMQContext::isPersistent()
Whether the context is persistent
*/
PHP_METHOD(zmqcontext, ispersistent)
{
php_zmq_context_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "") == FAILURE) {
return;
}
intern = PHP_ZMQ_CONTEXT_OBJECT;
RETURN_BOOL(intern->context->is_persistent);
}
/* }}} */
/* {{{ proto ZMQContext ZMQContext::__clone()
Clones the instance of the ZMQContext class
*/
PHP_METHOD(zmqcontext, __clone) { }
/* }}} */
/* --- END ZMQContext --- */
/* --- START ZMQSocket --- */
/* {{{ proto ZMQSocket ZMQSocket::__construct(ZMQContext $context, integer $type[, string $persistent_id = null[, callback $on_new_socket = null]])
Build a new ZMQSocket object
*/
PHP_METHOD(zmqsocket, __construct)
{
php_zmq_socket *socket;
php_zmq_socket_object *intern;
php_zmq_context_object *internc;
zend_long type;
zend_string *persistent_id = NULL;
int rc;
zval *obj;
zend_bool is_new;
zend_fcall_info fci;
zend_fcall_info_cache fci_cache;
PHP_ZMQ_ERROR_HANDLING_INIT()
PHP_ZMQ_ERROR_HANDLING_THROW()
fci.size = 0;
rc = zend_parse_parameters(ZEND_NUM_ARGS(), "Ol|S!f!", &obj, php_zmq_context_sc_entry, &type, &persistent_id, &fci, &fci_cache);
PHP_ZMQ_ERROR_HANDLING_RESTORE()
if (rc == FAILURE) {
return;
}
internc = php_zmq_context_fetch_object(Z_OBJ_P(obj));
socket = php_zmq_socket_get(internc->context, type, persistent_id, &is_new);
if (!socket) {
zend_throw_exception_ex(php_zmq_socket_exception_sc_entry, errno, "Error creating socket: %s", zmq_strerror(errno));
return;
}
intern = PHP_ZMQ_SOCKET_OBJECT;
intern->socket = socket;
/* Need to add refcount if context is not persistent */
if (!internc->context->is_persistent) {
ZVAL_OBJ(&intern->context_obj, &internc->zo);
Z_ADDREF(intern->context_obj);
}
if (is_new) {
if (fci.size) {
if (!php_zmq_connect_callback(getThis(), &fci, &fci_cache, persistent_id)) {
php_zmq_socket_destroy(socket);
intern->socket = NULL;
return;
}
}
if (socket->is_persistent) {
php_zmq_socket_store(socket, type, persistent_id, internc->context->use_shared_ctx);
}
}
if (socket->is_persistent) {
intern->persistent_id = estrdup(persistent_id->val);
}
return;
}
/* }}} */
/* {{{ static zend_bool php_zmq_send(php_zmq_socket_object *intern, char *message_param, long flags)
*/
static zend_bool php_zmq_send(php_zmq_socket_object *intern, zend_string *message_param, zend_long flags)
{
int rc, errno_;
zmq_msg_t message;
if (zmq_msg_init_size(&message, message_param->len) != 0) {
zend_throw_exception_ex(php_zmq_socket_exception_sc_entry, errno, "Failed to initialize message structure: %s", zmq_strerror(errno));
return 0;
}
memcpy(zmq_msg_data(&message), message_param->val, message_param->len);
rc = zmq_sendmsg(intern->socket->z_socket, &message, flags);
errno_ = errno;
zmq_msg_close(&message);
if (rc == -1) {
if (errno_ == EAGAIN) {
return 0;
}
zend_throw_exception_ex(php_zmq_socket_exception_sc_entry, errno_, "Failed to send message: %s", zmq_strerror(errno_));
return 0;
}
return 1;
}
/* }}} */
static void php_zmq_sendmsg_impl(INTERNAL_FUNCTION_PARAMETERS)
{
php_zmq_socket_object *intern;
zend_string *message_param;
zend_long flags = 0;
zend_bool ret;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "S|l", &message_param, &flags) == FAILURE) {
return;
}
intern = PHP_ZMQ_SOCKET_OBJECT;
ret = php_zmq_send(intern, message_param, flags);
if (ret) {
ZMQ_RETURN_THIS;
} else {
RETURN_FALSE;
}
}
/* {{{ proto ZMQSocket ZMQSocket::send(string $message[, integer $flags = 0])
Send a message. Return true if message was sent and false on EAGAIN
*/
PHP_METHOD(zmqsocket, send)
{
php_zmq_sendmsg_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
static
int php_zmq_send_cb(zval *zv, int num_args, va_list args, zend_hash_key *hash_key)
{
php_zmq_socket_object *intern;
int flags, *rc, *to_send;
intern = va_arg(args, php_zmq_socket_object *);
flags = va_arg(args, int);
to_send = va_arg(args, int *);
rc = va_arg(args, int *);
if (--(*to_send)) {
flags = flags | ZMQ_SNDMORE;
} else {
flags = flags & ~ZMQ_SNDMORE;
}
zend_string *str = zval_get_string(zv);
*rc = php_zmq_send(intern, str, flags);
zend_string_release(str);
if (!*rc) {
return ZEND_HASH_APPLY_STOP;
}
return ZEND_HASH_APPLY_KEEP;
}
/* {{{ proto ZMQSocket ZMQSocket::sendmulti(arrays $messages[, integer $flags = 0])
Send a multipart message. Return true if message was sent and false on EAGAIN
*/
PHP_METHOD(zmqsocket, sendmulti)
{
zval *messages;
php_zmq_socket_object *intern;
int to_send, ret = 0;
zend_long flags = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "a|l", &messages, &flags) == FAILURE) {
return;
}
intern = PHP_ZMQ_SOCKET_OBJECT;
to_send = zend_hash_num_elements(Z_ARRVAL_P(messages));
zend_hash_apply_with_arguments(Z_ARRVAL_P(messages), (apply_func_args_t) php_zmq_send_cb, 4, intern, flags, &to_send, &ret);
if (ret) {
ZMQ_RETURN_THIS;
} else {
RETURN_FALSE;
}
}
/* {{{ static zend_bool php_zmq_recv(php_zmq_socket_object *intern, long flags, zval *return_value)
*/
static
zend_string *php_zmq_recv(php_zmq_socket_object *intern, zend_long flags)
{
int rc, errno_;
zmq_msg_t message;
zend_string *str = NULL;
if (zmq_msg_init(&message) != 0) {
zend_throw_exception_ex(php_zmq_socket_exception_sc_entry, errno, "Failed to initialize message structure: %s", zmq_strerror(errno));
return NULL;
}
rc = zmq_recvmsg(intern->socket->z_socket, &message, flags);
errno_ = errno;
if (rc == -1) {
zmq_msg_close(&message);
if (errno == EAGAIN) {
return NULL;
}
zend_throw_exception_ex(php_zmq_socket_exception_sc_entry, errno_, "Failed to receive message: %s", zmq_strerror(errno_));
return NULL;
}
str = zend_string_init(zmq_msg_data(&message), zmq_msg_size(&message), 0);
zmq_msg_close(&message);
return str;
}
/* }}} */
static void php_zmq_recvmsg_impl(INTERNAL_FUNCTION_PARAMETERS)
{
zend_string *str = NULL;
php_zmq_socket_object *intern;
zend_long flags = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &flags) == FAILURE) {
return;
}
intern = PHP_ZMQ_SOCKET_OBJECT;
str = php_zmq_recv(intern, flags);
if (!str) {
RETURN_FALSE;
}
RETURN_STR(str);
}
/* {{{ proto string ZMQ::recv([integer $flags = 0])
Receive a message
*/
PHP_METHOD(zmqsocket, recv)
{
php_zmq_recvmsg_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto array ZMQ::recvmulti([integer $flags = 0])
Receive an array of message parts
*/
PHP_METHOD(zmqsocket, recvmulti)
{
php_zmq_socket_object *intern;
size_t value_len;
zend_long flags = 0;
#if ZMQ_VERSION_MAJOR < 3
int64_t value;
#else
int value;
#endif
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &flags) == FAILURE) {
return;
}
intern = PHP_ZMQ_SOCKET_OBJECT;
array_init(return_value);
value_len = sizeof (value);