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yar_client.c
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yar_client.c
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/*
+----------------------------------------------------------------------+
| Yar - Light, concurrent RPC framework |
+----------------------------------------------------------------------+
| Copyright (c) 2012-2013 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Xinchen Hui <laruence@php.net> |
| Zhenyu Zhang <zhangzhenyu@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "SAPI.h"
#include "Zend/zend_exceptions.h"
#include "ext/standard/url.h" /* for php_url */
#include "php_yar.h"
#include "yar_exception.h"
#include "yar_packager.h"
#include "yar_transport.h"
#include "yar_client.h"
#include "yar_request.h"
#include "yar_response.h"
#include "yar_protocol.h"
#if PHP_MAJOR_VERSION > 7
#include "yar_arginfo.h"
#else
#include "yar_legacy_arginfo.h"
#endif
#include <curl/curl.h> /* For checking CUROPT_RESOLVE */
zend_class_entry *yar_client_ce;
zend_class_entry *yar_concurrent_client_ce;
static zend_object_handlers yar_client_obj_handlers;
static void php_yar_client_trigger_error(int throw_exception, int code, const char *format, ...) /* {{{ */ {
va_list arg;
char *message;
zend_class_entry *ce;
va_start(arg, format);
vspprintf(&message, 0, format, arg);
va_end(arg);
if (throw_exception) {
switch (code) {
case YAR_ERR_PACKAGER:
ce = yar_client_packager_exception_ce;
break;
case YAR_ERR_PROTOCOL:
ce = yar_client_protocol_exception_ce;
break;
case YAR_ERR_TRANSPORT:
ce = yar_client_transport_exception_ce;
break;
case YAR_ERR_EXCEPTION:
ce = yar_server_exception_ce;
break;
case YAR_ERR_REQUEST:
default:
ce = yar_client_exception_ce;
break;
}
zend_throw_exception(ce, message, code);
} else {
php_error_docref(NULL, E_WARNING, "[%d] %s", code, message);
}
if (message) {
efree(message);
}
} /* }}} */
static void php_yar_client_handle_error(int throw_exception, yar_response_t *response) /* {{{ */ {
if (response->status == YAR_ERR_EXCEPTION && Z_TYPE(response->err) == IS_ARRAY) {
if (throw_exception) {
zval ex, *property;
object_init_ex(&ex, yar_server_exception_ce);
#if PHP_VERSION_ID < 80000
zval *obj = &ex;
#else
zend_object *obj = Z_OBJ(ex);
#endif
if ((property = zend_hash_str_find(Z_ARRVAL(response->err), ZEND_STRL("message"))) != NULL) {
zend_update_property(yar_server_exception_ce, obj, ZEND_STRL("message"), property);
}
if ((property = zend_hash_str_find(Z_ARRVAL(response->err), ZEND_STRL("code"))) != NULL) {
zend_update_property(yar_server_exception_ce, obj, ZEND_STRL("code"), property);
}
if ((property = zend_hash_str_find(Z_ARRVAL(response->err), ZEND_STRL("file"))) != NULL) {
zend_update_property(yar_server_exception_ce, obj, ZEND_STRL("file"), property);
}
if ((property = zend_hash_str_find(Z_ARRVAL(response->err), ZEND_STRL("line"))) != NULL) {
zend_update_property(yar_server_exception_ce, obj, ZEND_STRL("line"), property);
}
if ((property = zend_hash_str_find(Z_ARRVAL(response->err), ZEND_STRL("_type"))) != NULL) {
zend_update_property(yar_server_exception_ce, obj, ZEND_STRL("_type"), property);
}
zend_throw_exception_object(&ex);
} else {
zval *msg, *code;
if ((msg = zend_hash_str_find(Z_ARRVAL(response->err), ZEND_STRL("message"))) != NULL
&& (code = zend_hash_str_find(Z_ARRVAL(response->err), ZEND_STRL("code"))) != NULL) {
convert_to_string_ex(msg);
convert_to_long_ex(code);
php_yar_client_trigger_error(0, Z_LVAL_P(code), "server threw an exception with message `%s`", Z_STRVAL_P(msg));
}
}
} else {
php_yar_client_trigger_error(throw_exception, response->status, "%s", Z_STRVAL(response->err));
}
}
/* }}} */
static inline int php_yar_check_array_values(zend_array *arr) /* {{{ */ {
zval *rv;
ZEND_HASH_FOREACH_VAL(arr, rv) {
ZVAL_DEREF(rv);
if (Z_TYPE_P(rv) != IS_STRING) {
return 0;
}
} ZEND_HASH_FOREACH_END();
return 1;
}
/* }}} */
static inline void php_yar_option_dtor(yar_opt type, void *value) { /* {{{ */
switch (type) {
case YAR_OPT_PACKAGER:
case YAR_OPT_PROXY:
case YAR_OPT_PROVIDER:
case YAR_OPT_TOKEN: {
zend_string *val = (zend_string*)value;
zend_string_release(val);
}
break;
case YAR_OPT_HEADER:
case YAR_OPT_RESOLVE: {
zend_array *val = (zend_array*)value;
zend_array_destroy(val);
}
break;
default:
break;
}
}
/* }}} */
static void php_yar_options_destroy(void **options) /* {{{ */ {
unsigned int i;
for (i = 0; i < YAR_OPT_MAX; i++) {
if (options[i]) {
php_yar_option_dtor(i, options[i]);
}
}
efree(options);
}
/* }}} */
static void php_yar_calldata_dtor(yar_call_data_t *entry) /* {{{ */ {
if (entry->uri) {
zend_string_release(entry->uri);
}
if (entry->method) {
zend_string_release(entry->method);
}
if (entry->parameters) {
zend_array_destroy(entry->parameters);
}
if (entry->options) {
php_yar_options_destroy(entry->options);
}
if (entry->callback.fci.size) {
zval_ptr_dtor(&entry->callback.fci.function_name);
}
if (entry->ecallback.fci.size) {
zval_ptr_dtor(&entry->ecallback.fci.function_name);
}
efree(entry);
}
/* }}} */
static void php_yar_calllist_dtor() /* {{{ */ {
yar_call_data_t *entry = (yar_call_data_t*)YAR_G(cctx).clist;
while (entry) {
yar_call_data_t *next = entry->next;
php_yar_calldata_dtor(entry);
entry = next;
}
YAR_G(cctx).clist = NULL;
}
/* }}} */
static int php_yar_client_get_opt(void **options, yar_opt type, zval *rv) /* {{{ */ {
if (options == NULL || options[type] == NULL) {
return 0;
}
switch (type) {
case YAR_OPT_PACKAGER:
case YAR_OPT_PROXY:
case YAR_OPT_TOKEN:
case YAR_OPT_PROVIDER: {
ZVAL_STR_COPY(rv, (zend_string*)(options[type]));
return 1;
}
case YAR_OPT_PERSISTENT:
case YAR_OPT_TIMEOUT:
case YAR_OPT_CONNECT_TIMEOUT: {
ZVAL_LONG(rv, (zend_long)(options[type]));
return 1;
}
case YAR_OPT_RESOLVE:
#if LIBCURL_VERSION_NUM < 0x071503
return 0;
#endif
case YAR_OPT_HEADER: {
ZVAL_ARR(rv, zend_array_dup((zend_array*)(options[type])));
return 1;
}
default:
break;
}
return 0;
} /* }}} */
static int php_yar_client_validate_option(int protocol, yar_opt type) /* {{{ */ {
switch (type) {
case YAR_OPT_HEADER:
if (protocol != YAR_CLIENT_PROTOCOL_HTTP) {
php_error_docref(NULL, E_WARNING, "header only works with HTTP protocol");
return 0;
}
break;
case YAR_OPT_RESOLVE:
if (protocol != YAR_CLIENT_PROTOCOL_HTTP) {
php_error_docref(NULL, E_WARNING, "resolve only works with HTTP protocol");
return 0;
}
break;
case YAR_OPT_PROXY:
if (protocol != YAR_CLIENT_PROTOCOL_HTTP) {
php_error_docref(NULL, E_WARNING, "proxy only works with HTTP protocol");
return 0;
}
break;
default:
break;
}
return 1;
}
/* }}} */
static int php_yar_client_set_opt(void **options, yar_opt type, zval *value) /* {{{ */ {
switch (type) {
case YAR_OPT_PACKAGER: {
if (IS_STRING != Z_TYPE_P(value)) {
php_error_docref(NULL, E_WARNING, "expects a string packager name");
return 0;
}
options[YAR_OPT_PACKAGER] = (void*)zend_string_copy(Z_STR_P(value));
return 1;
}
break;
case YAR_OPT_PERSISTENT: {
if (IS_LONG != Z_TYPE_P(value) && IS_TRUE != Z_TYPE_P(value) && IS_FALSE != Z_TYPE_P(value)) {
php_error_docref(NULL, E_WARNING, "expects a boolean persistent flag");
return 0;
}
options[YAR_OPT_PERSISTENT] = (void*)(zend_uintptr_t)(zval_get_long(value));
}
break;
case YAR_OPT_HEADER: {
if (IS_ARRAY != Z_TYPE_P(value)) {
php_error_docref(NULL, E_WARNING, "expects an array as header value");
return 0;
}
if (!php_yar_check_array_values(Z_ARRVAL_P(value))) {
php_error_docref(NULL, E_WARNING, "expects an array which should only contains string value");
return 0;
}
options[YAR_OPT_HEADER] = zend_array_dup(Z_ARRVAL_P(value));
return 1;
}
break;
case YAR_OPT_RESOLVE: {
if (IS_ARRAY != Z_TYPE_P(value)) {
php_error_docref(NULL, E_WARNING, "expects an array as resolve value");
return 0;
}
if (!php_yar_check_array_values(Z_ARRVAL_P(value))) {
php_error_docref(NULL, E_WARNING, "expects an array which should only contains string value");
return 0;
}
#if LIBCURL_VERSION_NUM < 0x071503
/* Available since 7.21.3 */
php_error_docref(NULL, E_WARNING, "YAR_OPT_RESOLVE require libcurl 7.21.3 and above");
return 0;
#endif
options[YAR_OPT_RESOLVE] = zend_array_dup(Z_ARRVAL_P(value));
return 1;
}
break;
case YAR_OPT_PROXY: {
if (IS_STRING != Z_TYPE_P(value)){
php_error_docref(NULL, E_WARNING, "expects a string as proxy value");
return 0;
}
options[YAR_OPT_PROXY] = zend_string_copy(Z_STR_P(value));
}
break;
case YAR_OPT_TIMEOUT:
case YAR_OPT_CONNECT_TIMEOUT: {
if (IS_LONG != Z_TYPE_P(value)) {
php_error_docref(NULL, E_WARNING, "expects a long integer timeout value");
return 0;
}
options[type] = (void*)(zend_uintptr_t)(zval_get_long(value));
}
break;
case YAR_OPT_TOKEN:
case YAR_OPT_PROVIDER: {
if (IS_STRING != Z_TYPE_P(value) || Z_STRLEN_P(value) > 32) {
php_error_docref(NULL, E_WARNING, "expects a maximum 32 bytes string value");
return 0;
}
options[type] = zend_string_copy(Z_STR_P(value));
}
break;
default:
return 0;
}
return 1;
} /* }}} */
static void php_yar_concurrent_client_options(yar_call_data_t *entry, zval *options) /* {{{ */ {
while (entry) {
zval *zv;
zend_long h;
yar_call_data_t *next = entry->next;
if (!entry->options) {
entry->options = ecalloc(YAR_OPT_MAX, sizeof(void*));
}
ZEND_HASH_FOREACH_NUM_KEY_VAL(Z_ARRVAL_P(options), h, zv) {
if (UNEXPECTED(entry->options[h])) {
/* options set by call has high priority */
continue;
}
if (!php_yar_client_set_opt(entry->options, h, zv)) {
php_yar_client_trigger_error(1, YAR_ERR_EXCEPTION, "illegal option");
return;
}
} ZEND_HASH_FOREACH_END();
entry = next;
}
}
/* }}} */
static int php_yar_client_handle(yar_client_object *client, zend_string *method, zend_array *params, zval *retval) /* {{{ */ {
char *msg;
zend_string *uri;
const yar_transport_t *factory;
yar_transport_interface_t *transport;
yar_request_t *request;
yar_response_t *response;
int flags = 0;
if (client->protocol == YAR_CLIENT_PROTOCOL_HTTP) {
factory = php_yar_transport_get(ZEND_STRL("curl"));
} else if (client->protocol == YAR_CLIENT_PROTOCOL_TCP || client->protocol == YAR_CLIENT_PROTOCOL_UNIX) {
factory = php_yar_transport_get(ZEND_STRL("sock"));
} else {
return 0;
}
uri = client->uri;
transport = factory->init();
if (UNEXPECTED(!(request = php_yar_request_instance(method, params, client->options)))) {
transport->close(transport);
factory->destroy(transport);
return 0;
}
if (client->options && client->options[YAR_OPT_PERSISTENT]) {
flags |= YAR_PROTOCOL_PERSISTENT;
}
/* This is tricky to pass options in, for custom headers */
msg = (char*)client->options;
if (UNEXPECTED(!transport->open(transport, uri, flags, &msg))) {
php_yar_client_trigger_error(1, YAR_ERR_TRANSPORT, msg);
php_yar_request_destroy(request);
ZEND_ASSERT(msg != (char*)client->options);
efree(msg);
transport->close(transport);
factory->destroy(transport);
return 0;
}
DEBUG_C(ZEND_ULONG_FMT": call api '%s' at (%c)'%s' with '%d' parameters",
request->id, ZSTR_VAL(request->method), (flags & YAR_PROTOCOL_PERSISTENT)? 'p' : 'r', ZSTR_VAL(uri),
zend_hash_num_elements(request->parameters));
if (UNEXPECTED(!transport->send(transport, request, &msg))) {
php_yar_client_trigger_error(1, YAR_ERR_TRANSPORT, msg);
php_yar_request_destroy(request);
efree(msg);
transport->close(transport);
factory->destroy(transport);
return 0;
}
response = transport->exec(transport, request);
if (UNEXPECTED(response->status != YAR_ERR_OKEY)) {
php_yar_client_handle_error(1, response);
php_yar_request_destroy(request);
php_yar_response_destroy(response);
transport->close(transport);
factory->destroy(transport);
return 0;
} else {
if (response->out && ZSTR_LEN(response->out)) {
PHPWRITE(ZSTR_VAL(response->out), ZSTR_LEN(response->out));
}
if (!Z_ISUNDEF(response->retval)) {
ZVAL_COPY(retval, &response->retval);
} else {
/* server return nothing, probably called exit */
ZVAL_NULL(retval);
}
php_yar_request_destroy(request);
php_yar_response_destroy(response);
transport->close(transport);
factory->destroy(transport);
}
return 1;
} /* }}} */
int php_yar_concurrent_client_callback(yar_call_data_t *calldata, int status, yar_response_t *response) /* {{{ */ {
zend_fcall_info *fci;
zend_fcall_info_cache *fcc;
zval retval_ptr;
zval func_params[3];
zend_bool bailout = 0;
unsigned params_count, i;
if (calldata) {
zval callinfo;
/* data callback */
if (status == YAR_ERR_OKEY) {
if (calldata->callback.fci.size) {
fci = &calldata->callback.fci;
fcc = &calldata->callback.fcc;
} else {
fci = &YAR_G(cctx).callback.fci;
fcc = &YAR_G(cctx).callback.fcc;
}
} else {
if (calldata->ecallback.fci.size) {
fci = &calldata->ecallback.fci;
fcc = &calldata->ecallback.fcc;
} else {
fci = &YAR_G(cctx).ecallback.fci;
fcc = &YAR_G(cctx).ecallback.fcc;
}
}
if (fci->size == 0) {
if (status != YAR_ERR_OKEY) {
if (!Z_ISUNDEF(response->err)) {
php_yar_client_handle_error(0, response);
} else {
php_error_docref(NULL, E_WARNING, "[%d]:unknown Error", status);
}
} else if (!Z_ISUNDEF(response->retval)) {
zend_print_zval(&response->retval, 1);
}
return 1;
}
if (UNEXPECTED(status == YAR_ERR_OKEY && Z_ISUNDEF(response->retval))) {
php_yar_client_trigger_error(0, YAR_ERR_REQUEST, "%s", "server responsed empty response");
return 1;
}
array_init(&callinfo);
add_assoc_long_ex(&callinfo, "sequence", sizeof("sequence") - 1, calldata->sequence);
add_assoc_str_ex(&callinfo, "uri", sizeof("uri") - 1, zend_string_copy(calldata->uri));
add_assoc_str_ex(&callinfo, "method", sizeof("method") - 1, zend_string_copy(calldata->method));
if (status == YAR_ERR_OKEY) {
params_count = 2;
ZVAL_COPY(&func_params[0], &response->retval);
ZVAL_COPY_VALUE(&func_params[1], &callinfo);
} else {
params_count = 3;
ZVAL_LONG(&func_params[0], status);
ZVAL_COPY(&func_params[1], &response->err);
ZVAL_COPY_VALUE(&func_params[2], &callinfo);
}
} else {
/* first callback, triggered right after all request are sent */
if (YAR_G(cctx).callback.fci.size == 0) {
return 1;
}
fci = &YAR_G(cctx).callback.fci;
fcc = &YAR_G(cctx).callback.fcc;
params_count = 2;
ZVAL_NULL(&func_params[0]);
ZVAL_NULL(&func_params[1]);
}
zend_try {
fci->param_count = params_count;
fci->params = func_params;
fci->retval = &retval_ptr;
#if PHP_VERSION_ID < 80000
fci->no_separation = 1;
#endif
if (zend_call_function(fci, fcc) != SUCCESS) {
for (i = 0; i < params_count; i++) {
zval_ptr_dtor(&func_params[i]);
}
if (calldata) {
php_error_docref(NULL, E_WARNING, "call to callback failed for request: '%s'", ZSTR_VAL(calldata->method));
} else {
php_error_docref(NULL, E_WARNING, "call to initial callback failed");
}
return 1;
}
} zend_catch {
bailout = 1;
} zend_end_try();
zval_ptr_dtor(&retval_ptr);
for (i = 0; i < params_count; i++) {
zval_ptr_dtor(&func_params[i]);
}
return bailout? 0 : 1;
} /* }}} */
int php_yar_concurrent_client_handle(yar_call_data_t *entry) /* {{{ */ {
char *msg;
yar_request_t *request;
const yar_transport_t *factory;
yar_transport_interface_t *transport;
yar_transport_multi_interface_t *multi;
int flags = 0;
factory = php_yar_transport_get(ZEND_STRL("curl"));
multi = factory->multi->init();
while ((entry)) {
if (entry->parameters == NULL) {
ALLOC_HASHTABLE(entry->parameters);
zend_hash_init(entry->parameters, 0, NULL, NULL, 0);
}
transport = factory->init();
if (entry->options && entry->options[YAR_OPT_PERSISTENT]) {
flags |= YAR_PROTOCOL_PERSISTENT;
}
if (!(request = php_yar_request_instance(entry->method, entry->parameters, entry->options))) {
transport->close(transport);
factory->destroy(transport);
return 0;
}
msg = (char*)entry->options;
if (!transport->open(transport, entry->uri, flags, &msg)) {
php_yar_client_trigger_error(1, YAR_ERR_TRANSPORT, msg);
transport->close(transport);
factory->destroy(transport);
efree(msg);
return 0;
}
DEBUG_C(ZEND_ULONG_FMT": call api '%s' at (%c)'%s' with '%d' parameters",
request->id, ZSTR_VAL(request->method), (flags & YAR_PROTOCOL_PERSISTENT)? 'p' : 'r',
entry->uri, zend_hash_num_elements(request->parameters));
if (!transport->send(transport, request, &msg)) {
php_yar_client_trigger_error(1, YAR_ERR_TRANSPORT, msg);
transport->close(transport);
factory->destroy(transport);
efree(msg);
return 0;
}
transport->calldata(transport, entry);
multi->add(multi, transport);
php_yar_request_destroy(request);
entry = entry->next;
}
if (!multi->exec(multi, php_yar_concurrent_client_callback)) {
multi->close(multi);
return 0;
}
multi->close(multi);
return 1;
} /* }}} */
static void yar_client_object_free(zend_object *object) /* {{{ */ {
yar_client_object *client = php_yar_client_fetch_object(object);
if (client->parameters) {
if (GC_DELREF(client->parameters) == 0) {
zend_array_destroy(client->parameters);
}
}
if (client->uri) {
zend_string_release(client->uri);
}
if (client->options) {
php_yar_options_destroy(client->options);
}
if (client->properties) {
if (GC_DELREF(client->properties) == 0) {
zend_array_destroy(client->properties);
}
}
zend_object_std_dtor(object);
}
/* }}} */
static HashTable *yar_client_get_properties(void *object) /* {{{ */ {
zval rv;
HashTable *ht;
#if PHP_VERSION_ID < 80000
yar_client_object *client = php_yar_client_fetch_object(Z_OBJ_P((zval*)object));
#else
yar_client_object *client = php_yar_client_fetch_object(((zend_object*)object));
#endif
if (!client->properties) {
ALLOC_HASHTABLE(client->properties);
zend_hash_init(client->properties, 8, NULL, ZVAL_PTR_DTOR, 0);
}
ht = client->properties;
ZVAL_LONG(&rv, client->protocol);
zend_hash_str_update(ht, "_protocol", sizeof("_protocol") - 1, &rv);
ZVAL_STR_COPY(&rv, client->uri);
zend_hash_str_update(ht, "_uri", sizeof("_uri") - 1, &rv);
if (client->options) {
unsigned int i;
zval zv;
array_init(&rv);
for (i = 0; i < YAR_OPT_MAX; i++) {
if (client->options[i]) {
if (php_yar_client_get_opt(client->options, i, &zv)) {
zend_hash_index_update(Z_ARRVAL(rv), i, &zv);
}
}
}
} else {
ZVAL_NULL(&rv);
}
zend_hash_str_update(ht, "_options", sizeof("_options") - 1, &rv);
ZVAL_BOOL(&rv, client->running);
zend_hash_str_update(ht, "_running", sizeof("_running") - 1, &rv);
return ht;
}
/* }}} */
static HashTable *yar_client_get_gc(void *object, zval **table, int *n) /* {{{ */ {
#if PHP_VERSION_ID < 80000
yar_client_object *client = php_yar_client_fetch_object(Z_OBJ_P((zval*)object));
#else
yar_client_object *client = php_yar_client_fetch_object((zend_object*)object);
#endif
*table = NULL;
*n = 0;
return client->parameters;
}
/* }}} */
static zend_object *yar_client_new(zend_class_entry *ce) /* {{{ */ {
yar_client_object *client = emalloc(sizeof(yar_client_object) + zend_object_properties_size(ce));
memset(client, 0, XtOffsetOf(yar_client_object, std));
zend_object_std_init(&client->std, ce);
if (ce->default_properties_count) {
object_properties_init(&client->std, ce);
}
client->std.handlers = &yar_client_obj_handlers;
return &client->std;
}
/* }}} */
/* {{{ proto Yar_Client::__construct($uri[, array $options = NULL]) */
PHP_METHOD(yar_client, __construct) {
zend_string *url;
zval *options = NULL;
yar_client_object *client = Z_YARCLIENTOBJ_P(getThis());
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(), "S|a!", &url, &options) == FAILURE) {
return;
}
if (strncasecmp(ZSTR_VAL(url), "http://", sizeof("http://") - 1) == 0) {
client->protocol = YAR_CLIENT_PROTOCOL_HTTP;
} else if (strncasecmp(ZSTR_VAL(url), "https://", sizeof("https://") - 1) == 0) {
client->protocol = YAR_CLIENT_PROTOCOL_HTTP;
} else if (strncasecmp(ZSTR_VAL(url), "tcp://", sizeof("tcp://") - 1) == 0) {
client->protocol = YAR_CLIENT_PROTOCOL_TCP;
} else if (strncasecmp(ZSTR_VAL(url), "unix://", sizeof("unix://") - 1) == 0) {
client->protocol = YAR_CLIENT_PROTOCOL_UNIX;
} else {
php_yar_client_trigger_error(1, YAR_ERR_PROTOCOL, "unsupported protocol address %s", ZSTR_VAL(url));
return;
}
client->uri = zend_string_copy(url);
if (options) {
zval *zv;
zend_long h;
ZEND_HASH_FOREACH_NUM_KEY_VAL(Z_ARRVAL_P(options), h, zv) {
if (!php_yar_client_validate_option(client->protocol, h)) {
continue;
}
if (client->options == NULL) {
client->options = ecalloc(YAR_OPT_MAX, sizeof(void*));
}
if (!php_yar_client_set_opt(client->options, h, zv)) {
php_yar_client_trigger_error(1, YAR_ERR_EXCEPTION, "illegal option");
return;
}
} ZEND_HASH_FOREACH_END();
}
}
/* }}} */
/* {{{ proto Yar_Client::__call($method, $parameters = NULL) */
PHP_METHOD(yar_client, __call) {
zval *params;
zend_string *method;
yar_client_object *client = Z_YARCLIENTOBJ_P(getThis());
if (zend_parse_parameters(ZEND_NUM_ARGS(), "Sa", &method, ¶ms) == FAILURE) {
return;
}
switch (client->protocol) {
case YAR_CLIENT_PROTOCOL_TCP:
case YAR_CLIENT_PROTOCOL_UNIX:
case YAR_CLIENT_PROTOCOL_HTTP:
if ((php_yar_client_handle(client, method, Z_ARRVAL_P(params), return_value))) {
return;
}
break;
default:
php_error_docref(NULL, E_WARNING, "unsupported protocol %d", client->protocol);
break;
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto Yar_Client::call($method, $parameters = NULL) */
PHP_METHOD(yar_client, call) {
PHP_MN(yar_client___call)(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto Yar_Client::getOpt(int $type) */
PHP_METHOD(yar_client, getOpt) {
long type;
yar_client_object *client = Z_YARCLIENTOBJ_P(getThis());
if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &type) == FAILURE) {
return;
}
if (!php_yar_client_get_opt(client->options, type, return_value)) {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto Yar_Client::setOpt(int $type, mixed $value) */
PHP_METHOD(yar_client, setOpt) {
long type;
zval *value;
yar_client_object *client = Z_YARCLIENTOBJ_P(getThis());
if (zend_parse_parameters(ZEND_NUM_ARGS(), "lz", &type, &value) == FAILURE) {
return;
}
if (!php_yar_client_validate_option(client->protocol, type)) {
RETURN_FALSE;
}
if (client->options == NULL) {
client->options = ecalloc(YAR_OPT_MAX, sizeof(void*));
}
if (!php_yar_client_set_opt(client->options, type, value)) {
RETURN_FALSE;
}
RETURN_ZVAL(getThis(), 1, 0);
}
/* }}} */
/* {{{ proto Yar_Concurrent_Client::call($uri, $method, $parameters = NULL, $callback = NULL, $error_callback = NULL, $options = array()) */
PHP_METHOD(yar_concurrent_client, call) {
zend_string *uri, *method;
zend_fcall_info callback = {0}, ecallback = {0};
zend_fcall_info_cache callbackc, ecallbackc;
zval *parameters = NULL, *options = NULL;
yar_call_data_t *entry;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "SS|a!f!f!a!", &uri, &method,
¶meters, &callback, &callbackc, &ecallback, &ecallbackc, &options) == FAILURE) {
return;
}
if (UNEXPECTED(!ZSTR_LEN(uri))) {
php_error_docref(NULL, E_WARNING, "first parameter is expected to be a valid rpc server uri");
return;
}
if (UNEXPECTED(strncasecmp(ZSTR_VAL(uri), "http://", sizeof("http://") - 1) &&
strncasecmp(ZSTR_VAL(uri), "https://", sizeof("https://") - 1))) {
php_error_docref(NULL, E_WARNING, "only http protocol is supported in concurrent client for now");
return;
}
if (UNEXPECTED(!ZSTR_LEN(method))) {
php_error_docref(NULL, E_WARNING, "second parameter is expected to be a valid rpc api name");
return;
}
if (UNEXPECTED(YAR_G(cctx).start)) {
php_error_docref(NULL, E_WARNING, "concurrent client has already been started");
RETURN_FALSE;
}
if (YAR_G(cctx).clist) {
if (UNEXPECTED(((yar_call_data_t*)YAR_G(cctx).clist)->sequence == YAR_MAX_CALLS)) {
php_error_docref(NULL, E_WARNING, "too many calls, maximum '%d' are allowed", YAR_MAX_CALLS);
RETURN_FALSE;
}
}
entry = ecalloc(1, sizeof(yar_call_data_t));
entry->uri = zend_string_copy(uri);
entry->method = zend_string_copy(method);
if (callback.size) {
memcpy(&entry->callback.fci, &callback, sizeof(zend_fcall_info));
memcpy(&entry->callback.fcc, &callbackc, sizeof(zend_fcall_info_cache));
Z_TRY_ADDREF(entry->callback.fci.function_name);
}
if (ecallback.size) {
memcpy(&entry->ecallback.fci, &ecallback, sizeof(zend_fcall_info));
memcpy(&entry->ecallback.fcc, &ecallbackc, sizeof(zend_fcall_info_cache));
Z_TRY_ADDREF(entry->ecallback.fci.function_name);
}
if (parameters) {
entry->parameters = zend_array_dup(Z_ARRVAL_P(parameters));
}
if (options) {
zval *zv;
zend_long h;
entry->options = ecalloc(YAR_OPT_MAX, sizeof(void*));
ZEND_HASH_FOREACH_NUM_KEY_VAL(Z_ARRVAL_P(options), h, zv) {
if (!php_yar_client_set_opt(entry->options, h, zv)) {
php_yar_client_trigger_error(1, YAR_ERR_EXCEPTION, "illegal option");
return;
}
} ZEND_HASH_FOREACH_END();
}
entry->next = YAR_G(cctx).clist;
YAR_G(cctx).clist = entry;
if (entry->next) {
entry->sequence = entry->next->sequence + 1;
} else {
entry->sequence = 1;
}
RETURN_LONG(entry->sequence);
}
/* }}} */
/* {{{ proto Yar_Concurrent_Client::reset(void) */
PHP_METHOD(yar_concurrent_client, reset) {
if (YAR_G(cctx).start) {
php_error_docref(NULL, E_WARNING, "cannot reset while client is running");
RETURN_FALSE;
}
php_yar_calllist_dtor();
RETURN_TRUE;
}
/* }}} */
/* {{{ proto Yar_Concurrent_Client::loop($callback = NULL, $error_callback = NULL, $options = NULL) */
PHP_METHOD(yar_concurrent_client, loop) {
int ret;
zval *options = NULL;
zend_fcall_info callback = {0}, ecallback = {0};
zend_fcall_info_cache callbackc, ecallbackc;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|f!f!a!", &callback, &callbackc, &ecallback, &ecallbackc, &options) == FAILURE) {
return;
}
if (UNEXPECTED(YAR_G(cctx).start)) {
php_error_docref(NULL, E_WARNING, "concurrent client has already been started");
RETURN_FALSE;
}
if (UNEXPECTED(YAR_G(cctx).clist == NULL)) {
RETURN_TRUE;
}
if (callback.size) {
memcpy(&YAR_G(cctx).callback.fci, &callback, sizeof(zend_fcall_info));
memcpy(&YAR_G(cctx).callback.fcc, &callbackc, sizeof(zend_fcall_info_cache));
} else {
YAR_G(cctx).callback.fci.size = 0;
}
if (ecallback.size) {
memcpy(&YAR_G(cctx).ecallback.fci, &ecallback, sizeof(zend_fcall_info));
memcpy(&YAR_G(cctx).ecallback.fcc, &ecallbackc, sizeof(zend_fcall_info_cache));
} else {
YAR_G(cctx).ecallback.fci.size = 0;
}
if (options) {
php_yar_concurrent_client_options((yar_call_data_t*)YAR_G(cctx).clist, options);
}
YAR_G(cctx).start = 1;
ret = php_yar_concurrent_client_handle((yar_call_data_t*)YAR_G(cctx).clist);