[Feature][ZXW-88]merge P50 version
Only Configure: No
Affected branch: master
Affected module: unknown
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No
Change-Id: I34667719d9e0e7e29e8e4368848601cde0a48408
diff --git a/ap/lib/libcurl/curl-7.86.0/docs/examples/http2-serverpush.c b/ap/lib/libcurl/curl-7.86.0/docs/examples/http2-serverpush.c
new file mode 100755
index 0000000..f279355
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.86.0/docs/examples/http2-serverpush.c
@@ -0,0 +1,273 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+/* <DESC>
+ * HTTP/2 server push
+ * </DESC>
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* somewhat unix-specific */
+#include <sys/time.h>
+#include <unistd.h>
+
+/* curl stuff */
+#include <curl/curl.h>
+
+#ifndef CURLPIPE_MULTIPLEX
+#error "too old libcurl, cannot do HTTP/2 server push!"
+#endif
+
+static
+void dump(const char *text, unsigned char *ptr, size_t size,
+ char nohex)
+{
+ size_t i;
+ size_t c;
+
+ unsigned int width = 0x10;
+
+ if(nohex)
+ /* without the hex output, we can fit more on screen */
+ width = 0x40;
+
+ fprintf(stderr, "%s, %lu bytes (0x%lx)\n",
+ text, (unsigned long)size, (unsigned long)size);
+
+ for(i = 0; i<size; i += width) {
+
+ fprintf(stderr, "%4.4lx: ", (unsigned long)i);
+
+ if(!nohex) {
+ /* hex not disabled, show it */
+ for(c = 0; c < width; c++)
+ if(i + c < size)
+ fprintf(stderr, "%02x ", ptr[i + c]);
+ else
+ fputs(" ", stderr);
+ }
+
+ for(c = 0; (c < width) && (i + c < size); c++) {
+ /* check for 0D0A; if found, skip past and start a new line of output */
+ if(nohex && (i + c + 1 < size) && ptr[i + c] == 0x0D &&
+ ptr[i + c + 1] == 0x0A) {
+ i += (c + 2 - width);
+ break;
+ }
+ fprintf(stderr, "%c",
+ (ptr[i + c] >= 0x20) && (ptr[i + c]<0x80)?ptr[i + c]:'.');
+ /* check again for 0D0A, to avoid an extra \n if it's at width */
+ if(nohex && (i + c + 2 < size) && ptr[i + c + 1] == 0x0D &&
+ ptr[i + c + 2] == 0x0A) {
+ i += (c + 3 - width);
+ break;
+ }
+ }
+ fputc('\n', stderr); /* newline */
+ }
+}
+
+static
+int my_trace(CURL *handle, curl_infotype type,
+ char *data, size_t size,
+ void *userp)
+{
+ const char *text;
+ (void)handle; /* prevent compiler warning */
+ (void)userp;
+ switch(type) {
+ case CURLINFO_TEXT:
+ fprintf(stderr, "== Info: %s", data);
+ /* FALLTHROUGH */
+ default: /* in case a new one is introduced to shock us */
+ return 0;
+
+ case CURLINFO_HEADER_OUT:
+ text = "=> Send header";
+ break;
+ case CURLINFO_DATA_OUT:
+ text = "=> Send data";
+ break;
+ case CURLINFO_SSL_DATA_OUT:
+ text = "=> Send SSL data";
+ break;
+ case CURLINFO_HEADER_IN:
+ text = "<= Recv header";
+ break;
+ case CURLINFO_DATA_IN:
+ text = "<= Recv data";
+ break;
+ case CURLINFO_SSL_DATA_IN:
+ text = "<= Recv SSL data";
+ break;
+ }
+
+ dump(text, (unsigned char *)data, size, 1);
+ return 0;
+}
+
+#define OUTPUTFILE "dl"
+
+static int setup(CURL *hnd)
+{
+ FILE *out = fopen(OUTPUTFILE, "wb");
+ if(!out)
+ /* failed */
+ return 1;
+
+ /* write to this file */
+ curl_easy_setopt(hnd, CURLOPT_WRITEDATA, out);
+
+ /* set the same URL */
+ curl_easy_setopt(hnd, CURLOPT_URL, "https://localhost:8443/index.html");
+
+ /* please be verbose */
+ curl_easy_setopt(hnd, CURLOPT_VERBOSE, 1L);
+ curl_easy_setopt(hnd, CURLOPT_DEBUGFUNCTION, my_trace);
+
+ /* HTTP/2 please */
+ curl_easy_setopt(hnd, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2_0);
+
+ /* we use a self-signed test server, skip verification during debugging */
+ curl_easy_setopt(hnd, CURLOPT_SSL_VERIFYPEER, 0L);
+ curl_easy_setopt(hnd, CURLOPT_SSL_VERIFYHOST, 0L);
+
+#if (CURLPIPE_MULTIPLEX > 0)
+ /* wait for pipe connection to confirm */
+ curl_easy_setopt(hnd, CURLOPT_PIPEWAIT, 1L);
+#endif
+ return 0; /* all is good */
+}
+
+/* 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");
+ if(!out) {
+ /* if we cannot save it, deny it */
+ fprintf(stderr, "Failed to create output file for push\n");
+ return CURL_PUSH_DENY;
+ }
+
+ /* 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;
+}
+
+
+/*
+ * Download a file over HTTP/2, take care of server push.
+ */
+int main(void)
+{
+ CURL *easy;
+ CURLM *multi_handle;
+ int transfers = 1; /* we start with one */
+ struct CURLMsg *m;
+
+ /* init a multi stack */
+ multi_handle = curl_multi_init();
+
+ easy = curl_easy_init();
+
+ /* set options */
+ if(setup(easy)) {
+ fprintf(stderr, "failed\n");
+ return 1;
+ }
+
+ /* add the easy transfer */
+ curl_multi_add_handle(multi_handle, easy);
+
+ curl_multi_setopt(multi_handle, CURLMOPT_PIPELINING, CURLPIPE_MULTIPLEX);
+ curl_multi_setopt(multi_handle, CURLMOPT_PUSHFUNCTION, server_push_callback);
+ curl_multi_setopt(multi_handle, CURLMOPT_PUSHDATA, &transfers);
+
+ do {
+ int still_running; /* keep number of running handles */
+ CURLMcode mc = curl_multi_perform(multi_handle, &still_running);
+
+ if(still_running)
+ /* wait for activity, timeout or "nothing" */
+ mc = curl_multi_poll(multi_handle, NULL, 0, 1000, NULL);
+
+ if(mc)
+ break;
+
+ /*
+ * A little caution when doing server push is that libcurl itself has
+ * created and added one or more easy handles but we need to clean them up
+ * when we are done.
+ */
+
+ do {
+ int msgq = 0;
+ m = curl_multi_info_read(multi_handle, &msgq);
+ if(m && (m->msg == CURLMSG_DONE)) {
+ CURL *e = m->easy_handle;
+ transfers--;
+ curl_multi_remove_handle(multi_handle, e);
+ curl_easy_cleanup(e);
+ }
+ } while(m);
+
+ } while(transfers); /* as long as we have transfers going */
+
+ curl_multi_cleanup(multi_handle);
+
+
+ return 0;
+}