/* called when there's an incoming push */
static int server_push_callback(CURL *parent,
CURL *easy,
size_t num_headers,
struct curl_pushheaders *headers,
void *userp)
{
char *headp;
size_t i;
int *transfers = (int *)userp;
char filename[128];
FILE *out;
static unsigned int count = 0;
(void)parent; /* we have no use for this */
snprintf(filename, 128, "push%u", count++);
/* here's a new stream, save it in a new file for each new push */
out = fopen(filename, "wb");
/* write to this file */
curl_easy_setopt(easy, CURLOPT_WRITEDATA, out);
fprintf(stderr, "**** push callback approves stream %u, got %lu headers!\n",
count, (unsigned long)num_headers);
for(i = 0; i<num_headers; i++) {
headp = curl_pushheader_bynum(headers, i);
fprintf(stderr, "**** header %lu: %s\n", (unsigned long)i, headp);
}
headp = curl_pushheader_byname(headers, ":path");
if(headp) {
fprintf(stderr, "**** The PATH is %s\n", headp /* skip :path + colon */);
}
(*transfers)++; /* one more */
return CURL_PUSH_OK;
}
static int _php_server_push_callback(CURL *parent_ch, CURL *easy, size_t num_headers, struct curl_pushheaders *push_headers, void *userp) /* {{{ */
{
php_curl *ch;
php_curl *parent;
php_curlm *mh = (php_curlm *)userp;
size_t rval = CURL_PUSH_DENY;
php_curlm_server_push *t = mh->handlers->server_push;
zval *pz_parent_ch = NULL;
zval pz_ch;
zval headers;
zval retval;
zend_resource *res;
char *header;
int error;
zend_fcall_info fci = empty_fcall_info;
pz_parent_ch = _php_curl_multi_find_easy_handle(mh, parent_ch);
if (pz_parent_ch == NULL) {
return rval;
}
parent = (php_curl*)zend_fetch_resource(Z_RES_P(pz_parent_ch), le_curl_name, le_curl);
ch = alloc_curl_handle();
ch->cp = easy;
_php_setup_easy_copy_handlers(ch, parent);
Z_ADDREF_P(pz_parent_ch);
res = zend_register_resource(ch, le_curl);
ZVAL_RES(&pz_ch, res);
size_t i;
array_init(&headers);
for(i=0; i<num_headers; i++) {
header = curl_pushheader_bynum(push_headers, i);
add_next_index_string(&headers, header);
}
zend_fcall_info_init(&t->func_name, 0, &fci, &t->fci_cache, NULL, NULL);
zend_fcall_info_argn(
&fci, 3,
pz_parent_ch,
&pz_ch,
&headers
);
fci.retval = &retval;
error = zend_call_function(&fci, &t->fci_cache);
zend_fcall_info_args_clear(&fci, 1);
zval_dtor(&headers);
if (error == FAILURE) {
php_error_docref(NULL, E_WARNING, "Cannot call the CURLMOPT_PUSHFUNCTION");
} else if (!Z_ISUNDEF(retval)) {
if (CURL_PUSH_DENY != zval_get_long(&retval)) {
rval = CURL_PUSH_OK;
/* we want to create a copy of this zval that we store in the multihandle structure element "easyh" */
zval tmp_val;
ZVAL_DUP(&tmp_val, &pz_ch);
zend_llist_add_element(&mh->easyh, &tmp_val);
} else {
/* libcurl will free this easy handle, avoid double free */
ch->cp = NULL;
}
}
return rval;
}