summaryrefslogtreecommitdiff
path: root/tests/http/clients
diff options
context:
space:
mode:
Diffstat (limited to 'tests/http/clients')
-rw-r--r--tests/http/clients/.gitignore8
-rw-r--r--tests/http/clients/Makefile.am71
-rw-r--r--tests/http/clients/Makefile.inc30
-rw-r--r--tests/http/clients/h2-download.c275
-rw-r--r--tests/http/clients/h2-serverpush.c271
-rw-r--r--tests/http/clients/ws-data.c263
-rw-r--r--tests/http/clients/ws-pingpong.c158
7 files changed, 1076 insertions, 0 deletions
diff --git a/tests/http/clients/.gitignore b/tests/http/clients/.gitignore
new file mode 100644
index 000000000..02084e18a
--- /dev/null
+++ b/tests/http/clients/.gitignore
@@ -0,0 +1,8 @@
+# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
+h2-serverpush
+h2-download
+ws-data
+ws-pingpong \ No newline at end of file
diff --git a/tests/http/clients/Makefile.am b/tests/http/clients/Makefile.am
new file mode 100644
index 000000000..386da5a22
--- /dev/null
+++ b/tests/http/clients/Makefile.am
@@ -0,0 +1,71 @@
+#***************************************************************************
+# _ _ ____ _
+# Project ___| | | | _ \| |
+# / __| | | | |_) | |
+# | (__| |_| | _ <| |___
+# \___|\___/|_| \_\_____|
+#
+# Copyright (C) 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
+#
+###########################################################################
+
+AUTOMAKE_OPTIONS = foreign nostdinc
+
+
+# Specify our include paths here, and do it relative to $(top_srcdir) and
+# $(top_builddir), to ensure that these paths which belong to the library
+# being currently built and tested are searched before the library which
+# might possibly already be installed in the system.
+#
+# $(top_srcdir)/include is for libcurl's external include files
+
+AM_CPPFLAGS = -I$(top_srcdir)/include \
+ -DCURL_DISABLE_DEPRECATION
+
+LIBDIR = $(top_builddir)/lib
+
+# Avoid libcurl obsolete stuff
+AM_CPPFLAGS += -DCURL_NO_OLDIES
+
+if USE_CPPFLAG_CURL_STATICLIB
+AM_CPPFLAGS += -DCURL_STATICLIB
+endif
+
+# Prevent LIBS from being used for all link targets
+LIBS = $(BLANK_AT_MAKETIME)
+
+# Dependencies
+if USE_EXPLICIT_LIB_DEPS
+LDADD = $(LIBDIR)/libcurl.la @LIBCURL_LIBS@
+else
+LDADD = $(LIBDIR)/libcurl.la
+endif
+
+# This might hold -Werror
+CFLAGS += @CURL_CFLAG_EXTRAS@
+
+# Makefile.inc provides the check_PROGRAMS and COMPLICATED_EXAMPLES defines
+include Makefile.inc
+
+all: $(check_PROGRAMS)
+
+CHECKSRC = $(CS_$(V))
+CS_0 = @echo " RUN " $@;
+CS_1 =
+CS_ = $(CS_0)
+
+checksrc:
+ $(CHECKSRC)(@PERL@ $(top_srcdir)/scripts/checksrc.pl -D$(srcdir) $(srcdir)/*.c)
diff --git a/tests/http/clients/Makefile.inc b/tests/http/clients/Makefile.inc
new file mode 100644
index 000000000..e0abf0a33
--- /dev/null
+++ b/tests/http/clients/Makefile.inc
@@ -0,0 +1,30 @@
+#***************************************************************************
+# _ _ ____ _
+# Project ___| | | | _ \| |
+# / __| | | | |_) | |
+# | (__| |_| | _ <| |___
+# \___|\___/|_| \_\_____|
+#
+# Copyright (C) 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
+#
+###########################################################################
+
+# These are all libcurl example programs to be test compiled
+check_PROGRAMS = \
+ h2-serverpush \
+ h2-download \
+ ws-data \
+ ws-pingpong
diff --git a/tests/http/clients/h2-download.c b/tests/http/clients/h2-download.c
new file mode 100644
index 000000000..d87ee01e1
--- /dev/null
+++ b/tests/http/clients/h2-download.c
@@ -0,0 +1,275 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 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>
+#include <curl/mprintf.h>
+
+#ifndef CURLPIPE_MULTIPLEX
+#error "too old libcurl, cannot do HTTP/2 server push!"
+#endif
+
+static int verbose = 1;
+
+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:
+ if(verbose <= 1)
+ return 0;
+ text = "=> Send data";
+ break;
+ case CURLINFO_HEADER_IN:
+ text = "<= Recv header";
+ break;
+ case CURLINFO_DATA_IN:
+ if(verbose <= 1)
+ return 0;
+ text = "<= Recv data";
+ break;
+ }
+
+ fprintf(stderr, "%s, %lu bytes (0x%lx)\n",
+ text, (unsigned long)size, (unsigned long)size);
+ return 0;
+}
+
+struct transfer {
+ int idx;
+ CURL *easy;
+ char filename[128];
+ FILE *out;
+ curl_off_t recv_size;
+ curl_off_t pause_at;
+ int paused;
+ int resumed;
+ int done;
+};
+
+static size_t transfer_count;
+static struct transfer *transfers;
+
+static struct transfer *get_transfer_for_easy(CURL *easy)
+{
+ size_t i;
+ for(i = 0; i < transfer_count; ++i) {
+ if(easy == transfers[i].easy)
+ return &transfers[i];
+ }
+ return NULL;
+}
+
+static size_t my_write_cb(char *buf, size_t nitems, size_t buflen,
+ void *userdata)
+{
+ struct transfer *t = userdata;
+ ssize_t nwritten;
+
+ if(!t->resumed &&
+ t->recv_size < t->pause_at &&
+ ((curl_off_t)(t->recv_size + (nitems * buflen)) >= t->pause_at)) {
+ fprintf(stderr, "transfer %d: PAUSE\n", t->idx);
+ t->paused = 1;
+ return CURL_WRITEFUNC_PAUSE;
+ }
+
+ if(!t->out) {
+ curl_msnprintf(t->filename, sizeof(t->filename)-1, "download_%u.data",
+ t->idx);
+ t->out = fopen(t->filename, "wb");
+ if(!t->out)
+ return 0;
+ }
+
+ nwritten = fwrite(buf, nitems, buflen, t->out);
+ if(nwritten < 0) {
+ fprintf(stderr, "transfer %d: write failure\n", t->idx);
+ return 0;
+ }
+ t->recv_size += nwritten;
+ return (size_t)nwritten;
+}
+
+static int setup(CURL *hnd, const char *url, struct transfer *t)
+{
+ curl_easy_setopt(hnd, CURLOPT_URL, url);
+ curl_easy_setopt(hnd, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2_0);
+ curl_easy_setopt(hnd, CURLOPT_SSL_VERIFYPEER, 0L);
+ curl_easy_setopt(hnd, CURLOPT_SSL_VERIFYHOST, 0L);
+
+ curl_easy_setopt(hnd, CURLOPT_WRITEFUNCTION, my_write_cb);
+ curl_easy_setopt(hnd, CURLOPT_WRITEDATA, t);
+
+ /* please be verbose */
+ if(verbose) {
+ curl_easy_setopt(hnd, CURLOPT_VERBOSE, 1L);
+ curl_easy_setopt(hnd, CURLOPT_DEBUGFUNCTION, my_trace);
+ }
+
+#if (CURLPIPE_MULTIPLEX > 0)
+ /* wait for pipe connection to confirm */
+ curl_easy_setopt(hnd, CURLOPT_PIPEWAIT, 1L);
+#endif
+ return 0; /* all is good */
+}
+
+/*
+ * Download a file over HTTP/2, take care of server push.
+ */
+int main(int argc, char *argv[])
+{
+ CURLM *multi_handle;
+ int active_transfers;
+ struct CURLMsg *m;
+ const char *url;
+ size_t i;
+ long pause_offset;
+ struct transfer *t;
+
+ if(argc != 4) {
+ fprintf(stderr, "usage: h2-download count pause-offset url\n");
+ return 2;
+ }
+
+ transfer_count = (size_t)strtol(argv[1], NULL, 10);
+ pause_offset = strtol(argv[2], NULL, 10);
+ url = argv[3];
+
+ transfers = calloc(transfer_count, sizeof(*transfers));
+ if(!transfers) {
+ fprintf(stderr, "error allocating transfer structs\n");
+ return 1;
+ }
+
+ multi_handle = curl_multi_init();
+ curl_multi_setopt(multi_handle, CURLMOPT_PIPELINING, CURLPIPE_MULTIPLEX);
+
+ active_transfers = 0;
+ for(i = 0; i < transfer_count; ++i) {
+ t = &transfers[i];
+ t->idx = (int)i;
+ t->pause_at = (curl_off_t)pause_offset * i;
+ t->easy = curl_easy_init();
+ if(!t->easy || setup(t->easy, url, t)) {
+ fprintf(stderr, "setup of transfer #%d failed\n", (int)i);
+ return 1;
+ }
+ curl_multi_add_handle(multi_handle, t->easy);
+ ++active_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);
+ fprintf(stderr, "curl_multi_poll() -> %d\n", mc);
+ }
+
+ 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;
+ active_transfers--;
+ curl_multi_remove_handle(multi_handle, e);
+ t = get_transfer_for_easy(e);
+ if(t) {
+ t->done = 1;
+ }
+ else
+ curl_easy_cleanup(e);
+ }
+ else {
+ /* nothing happending, resume one paused transfer if there is one */
+ for(i = 0; i < transfer_count; ++i) {
+ t = &transfers[i];
+ if(!t->done && t->paused) {
+ t->resumed = 1;
+ t->paused = 0;
+ curl_easy_pause(t->easy, CURLPAUSE_CONT);
+ fprintf(stderr, "transfer %d: RESUME\n", t->idx);
+ break;
+ }
+ }
+
+ }
+ } while(m);
+
+ } while(active_transfers); /* as long as we have transfers going */
+
+ for(i = 0; i < transfer_count; ++i) {
+ t = &transfers[i];
+ if(t->out) {
+ fclose(t->out);
+ t->out = NULL;
+ }
+ if(t->easy) {
+ curl_easy_cleanup(t->easy);
+ t->easy = NULL;
+ }
+ }
+ free(transfers);
+
+ curl_multi_cleanup(multi_handle);
+
+ return 0;
+}
diff --git a/tests/http/clients/h2-serverpush.c b/tests/http/clients/h2-serverpush.c
new file mode 100644
index 000000000..5a1eb3c91
--- /dev/null
+++ b/tests/http/clients/h2-serverpush.c
@@ -0,0 +1,271 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 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>
+#include <curl/mprintf.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 "download_0.data"
+
+static int setup(CURL *hnd, const char *url)
+{
+ FILE *out = fopen(OUTPUTFILE, "wb");
+ if(!out)
+ /* failed */
+ return 1;
+
+ curl_easy_setopt(hnd, CURLOPT_URL, url);
+ curl_easy_setopt(hnd, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2_0);
+ curl_easy_setopt(hnd, CURLOPT_SSL_VERIFYPEER, 0L);
+ curl_easy_setopt(hnd, CURLOPT_SSL_VERIFYHOST, 0L);
+
+ curl_easy_setopt(hnd, CURLOPT_WRITEDATA, out);
+
+ /* please be verbose */
+ curl_easy_setopt(hnd, CURLOPT_VERBOSE, 1L);
+ curl_easy_setopt(hnd, CURLOPT_DEBUGFUNCTION, my_trace);
+
+#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;
+ int rv;
+
+ (void)parent; /* we have no use for this */
+ curl_msnprintf(filename, sizeof(filename)-1, "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");
+ rv = CURL_PUSH_DENY;
+ goto out;
+ }
+
+ /* 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 */
+ rv = CURL_PUSH_OK;
+
+out:
+ return rv;
+}
+
+
+/*
+ * Download a file over HTTP/2, take care of server push.
+ */
+int main(int argc, char *argv[])
+{
+ CURL *easy;
+ CURLM *multi_handle;
+ int transfers = 1; /* we start with one */
+ struct CURLMsg *m;
+ const char *url;
+
+ if(argc != 2) {
+ fprintf(stderr, "need URL as argument\n");
+ return 2;
+ }
+ url = argv[1];
+
+ multi_handle = curl_multi_init();
+ 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);
+
+ easy = curl_easy_init();
+ if(setup(easy, url)) {
+ fprintf(stderr, "failed\n");
+ return 1;
+ }
+
+ curl_multi_add_handle(multi_handle, easy);
+ 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;
+}
diff --git a/tests/http/clients/ws-data.c b/tests/http/clients/ws-data.c
new file mode 100644
index 000000000..1c61d59f7
--- /dev/null
+++ b/tests/http/clients/ws-data.c
@@ -0,0 +1,263 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 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>
+ * Websockets data echos
+ * </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>
+#include "../../../lib/curl_setup.h"
+
+#ifdef USE_WEBSOCKETS
+
+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 CURLcode send_binary(CURL *curl, char *buf, size_t buflen)
+{
+ size_t nwritten;
+ CURLcode result =
+ curl_ws_send(curl, buf, buflen, &nwritten, 0, CURLWS_BINARY);
+ fprintf(stderr, "ws: send_binary(len=%ld) -> %d, %ld\n",
+ (long)buflen, result, (long)nwritten);
+ return result;
+}
+
+static CURLcode recv_binary(CURL *curl, char *exp_data, size_t exp_len)
+{
+ struct curl_ws_frame *frame;
+ char recvbuf[256];
+ size_t r_offset, nread;
+ CURLcode result;
+
+ fprintf(stderr, "recv_binary: expected payload %ld bytes\n", (long)exp_len);
+ r_offset = 0;
+ while(1) {
+ result = curl_ws_recv(curl, recvbuf, sizeof(recvbuf), &nread, &frame);
+ if(result == CURLE_AGAIN) {
+ fprintf(stderr, "EAGAIN, sleep, try again\n");
+ usleep(100*1000);
+ continue;
+ }
+ fprintf(stderr, "ws: curl_ws_recv(offset=%ld, len=%ld) -> %d, %ld\n",
+ (long)r_offset, (long)sizeof(recvbuf), result, (long)nread);
+ if(result) {
+ return result;
+ }
+ if(!(frame->flags & CURLWS_BINARY)) {
+ fprintf(stderr, "recv_data: wrong frame, got %ld bytes rflags %x\n",
+ (long)nread, frame->flags);
+ return CURLE_RECV_ERROR;
+ }
+ if(frame->offset != (curl_off_t)r_offset) {
+ fprintf(stderr, "recv_data: frame offset, expected %ld, got %ld\n",
+ (long)r_offset, (long)frame->offset);
+ return CURLE_RECV_ERROR;
+ }
+ if(frame->bytesleft != (curl_off_t)(exp_len - r_offset - nread)) {
+ fprintf(stderr, "recv_data: frame bytesleft, expected %ld, got %ld\n",
+ (long)(exp_len - r_offset - nread), (long)frame->bytesleft);
+ return CURLE_RECV_ERROR;
+ }
+ if(r_offset + nread > exp_len) {
+ fprintf(stderr, "recv_data: data length, expected %ld, now at %ld\n",
+ (long)exp_len, (long)(r_offset + nread));
+ return CURLE_RECV_ERROR;
+ }
+ if(memcmp(exp_data + r_offset, recvbuf, nread)) {
+ fprintf(stderr, "recv_data: data differs, offset=%ld, len=%ld\n",
+ (long)r_offset, (long)nread);
+ dump("expected:", (unsigned char *)exp_data + r_offset, nread, 0);
+ dump("received:", (unsigned char *)recvbuf, nread, 0);
+ return CURLE_RECV_ERROR;
+ }
+ r_offset += nread;
+ if(r_offset >= exp_len) {
+ fprintf(stderr, "recv_data: frame complete\n");
+ break;
+ }
+ }
+ return CURLE_OK;
+}
+
+/* just close the connection */
+static void websocket_close(CURL *curl)
+{
+ size_t sent;
+ CURLcode result =
+ curl_ws_send(curl, "", 0, &sent, 0, CURLWS_CLOSE);
+ fprintf(stderr,
+ "ws: curl_ws_send returned %u, sent %u\n", (int)result, (int)sent);
+}
+
+static CURLcode data_echo(CURL *curl, size_t plen_min, size_t plen_max)
+{
+ CURLcode res;
+ size_t len;
+ char *send_buf;
+ size_t i;
+
+ send_buf = calloc(1, plen_max);
+ if(!send_buf)
+ return CURLE_OUT_OF_MEMORY;
+ for(i = 0; i < plen_max; ++i) {
+ send_buf[i] = (char)('0' + ((int)i % 10));
+ }
+
+ for(len = plen_min; len <= plen_max; ++len) {
+ res = send_binary(curl, send_buf, len);
+ if(res)
+ goto out;
+ res = recv_binary(curl, send_buf, len);
+ if(res) {
+ fprintf(stderr, "recv_data(len=%ld) -> %d\n", (long)len, res);
+ goto out;
+ }
+ }
+
+out:
+ if(!res)
+ websocket_close(curl);
+ free(send_buf);
+ return res;
+}
+
+#endif
+
+int main(int argc, char *argv[])
+{
+#ifdef USE_WEBSOCKETS
+ CURL *curl;
+ CURLcode res = CURLE_OK;
+ const char *url;
+ curl_off_t l1, l2;
+ size_t plen_min, plen_max;
+
+
+ if(argc != 4) {
+ fprintf(stderr, "usage: ws-data url minlen maxlen\n");
+ return 2;
+ }
+ url = argv[1];
+ l1 = strtol(argv[2], NULL, 10);
+ if(l1 < 0) {
+ fprintf(stderr, "minlen must be >= 0, got %ld\n", (long)l1);
+ return 2;
+ }
+ l2 = strtol(argv[3], NULL, 10);
+ if(l2 < 0) {
+ fprintf(stderr, "maxlen must be >= 0, got %ld\n", (long)l2);
+ return 2;
+ }
+ plen_min = l1;
+ plen_max = l2;
+ if(plen_max < plen_min) {
+ fprintf(stderr, "maxlen must be >= minlen, got %ld-%ld\n",
+ (long)plen_min, (long)plen_max);
+ return 2;
+ }
+
+ curl_global_init(CURL_GLOBAL_ALL);
+
+ curl = curl_easy_init();
+ if(curl) {
+ curl_easy_setopt(curl, CURLOPT_URL, url);
+
+ /* use the callback style */
+ curl_easy_setopt(curl, CURLOPT_USERAGENT, "ws-data");
+ curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
+ curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 2L); /* websocket style */
+ res = curl_easy_perform(curl);
+ fprintf(stderr, "curl_easy_perform() returned %u\n", (int)res);
+ if(res == CURLE_OK)
+ res = data_echo(curl, plen_min, plen_max);
+
+ /* always cleanup */
+ curl_easy_cleanup(curl);
+ }
+ curl_global_cleanup();
+ return (int)res;
+
+#else /* USE_WEBSOCKETS */
+ (void)argc;
+ (void)argv;
+ fprintf(stderr, "websockets not enabled in libcurl\n");
+ return 1;
+#endif /* !USE_WEBSOCKETS */
+}
diff --git a/tests/http/clients/ws-pingpong.c b/tests/http/clients/ws-pingpong.c
new file mode 100644
index 000000000..4307dea73
--- /dev/null
+++ b/tests/http/clients/ws-pingpong.c
@@ -0,0 +1,158 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 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>
+ * Websockets pingpong
+ * </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>
+#include "../../../lib/curl_setup.h"
+
+#ifdef USE_WEBSOCKETS
+
+static CURLcode ping(CURL *curl, const char *send_payload)
+{
+ size_t sent;
+ CURLcode result =
+ curl_ws_send(curl, send_payload, strlen(send_payload), &sent, 0,
+ CURLWS_PING);
+ fprintf(stderr,
+ "ws: curl_ws_send returned %u, sent %u\n", (int)result, (int)sent);
+
+ return result;
+}
+
+static CURLcode recv_pong(CURL *curl, const char *exected_payload)
+{
+ size_t rlen;
+ struct curl_ws_frame *meta;
+ char buffer[256];
+ CURLcode result = curl_ws_recv(curl, buffer, sizeof(buffer), &rlen, &meta);
+ if(result) {
+ fprintf(stderr, "ws: curl_ws_recv returned %u, received %ld\n",
+ (int)result, (long)rlen);
+ return result;
+ }
+
+ if(!(meta->flags & CURLWS_PONG)) {
+ fprintf(stderr, "recv_pong: wrong frame, got %d bytes rflags %x\n",
+ (int)rlen, meta->flags);
+ return CURLE_RECV_ERROR;
+ }
+
+ fprintf(stderr, "ws: got PONG back\n");
+ if(rlen == strlen(exected_payload) &&
+ !memcmp(exected_payload, buffer, rlen)) {
+ fprintf(stderr, "ws: got the same payload back\n");
+ return CURLE_OK;
+ }
+ fprintf(stderr, "ws: did NOT get the same payload back\n");
+ return CURLE_RECV_ERROR;
+}
+
+/* just close the connection */
+static void websocket_close(CURL *curl)
+{
+ size_t sent;
+ CURLcode result =
+ curl_ws_send(curl, "", 0, &sent, 0, CURLWS_CLOSE);
+ fprintf(stderr,
+ "ws: curl_ws_send returned %u, sent %u\n", (int)result, (int)sent);
+}
+
+static CURLcode pingpong(CURL *curl, const char *payload)
+{
+ CURLcode res;
+ int i;
+
+ res = ping(curl, payload);
+ if(res)
+ return res;
+ for(i = 0; i < 10; ++i) {
+ fprintf(stderr, "Receive pong\n");
+ res = recv_pong(curl, payload);
+ if(res == CURLE_AGAIN) {
+ usleep(100*1000);
+ continue;
+ }
+ websocket_close(curl);
+ return res;
+ }
+ websocket_close(curl);
+ return CURLE_RECV_ERROR;
+}
+
+#endif
+
+int main(int argc, char *argv[])
+{
+#ifdef USE_WEBSOCKETS
+ CURL *curl;
+ CURLcode res = CURLE_OK;
+ const char *url, *payload;
+
+ if(argc != 3) {
+ fprintf(stderr, "usage: ws-pingpong url payload\n");
+ return 2;
+ }
+ url = argv[1];
+ payload = argv[2];
+
+ curl_global_init(CURL_GLOBAL_ALL);
+
+ curl = curl_easy_init();
+ if(curl) {
+ curl_easy_setopt(curl, CURLOPT_URL, url);
+
+ /* use the callback style */
+ curl_easy_setopt(curl, CURLOPT_USERAGENT, "ws-pingpong");
+ curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
+ curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 2L); /* websocket style */
+ res = curl_easy_perform(curl);
+ fprintf(stderr, "curl_easy_perform() returned %u\n", (int)res);
+ if(res == CURLE_OK)
+ res = pingpong(curl, payload);
+
+ /* always cleanup */
+ curl_easy_cleanup(curl);
+ }
+ curl_global_cleanup();
+ return (int)res;
+
+#else /* USE_WEBSOCKETS */
+ (void)argc;
+ (void)argv;
+ fprintf(stderr, "websockets not enabled in libcurl\n");
+ return 1;
+#endif /* !USE_WEBSOCKETS */
+}