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-rw-r--r--test/clients/.gitignore1
-rw-r--r--test/clients/Makefile.in20
-rw-r--r--test/clients/h2ws.c1110
3 files changed, 1131 insertions, 0 deletions
diff --git a/test/clients/.gitignore b/test/clients/.gitignore
new file mode 100644
index 0000000..18b1263
--- /dev/null
+++ b/test/clients/.gitignore
@@ -0,0 +1 @@
+h2ws \ No newline at end of file
diff --git a/test/clients/Makefile.in b/test/clients/Makefile.in
new file mode 100644
index 0000000..a322a58
--- /dev/null
+++ b/test/clients/Makefile.in
@@ -0,0 +1,20 @@
+DISTCLEAN_TARGETS = h2ws
+
+CLEAN_TARGETS = h2ws
+
+bin_PROGRAMS = h2ws
+TARGETS = $(bin_PROGRAMS)
+
+PROGRAM_LDADD = $(UTIL_LDFLAGS) $(PROGRAM_DEPENDENCIES) $(EXTRA_LIBS) $(AP_LIBS)
+PROGRAM_DEPENDENCIES =
+
+include $(top_builddir)/build/rules.mk
+
+h2ws.lo: h2ws.c
+ $(LIBTOOL) --mode=compile $(CC) $(ab_CFLAGS) $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
+ $(ALL_INCLUDES) $(PICFLAGS) $(LTCFLAGS) -c $< && touch $@
+h2ws_OBJECTS = h2ws.lo
+h2ws_LDADD = -lnghttp2
+h2ws: $(h2ws_OBJECTS)
+ $(LIBTOOL) --mode=link $(CC) $(ALL_CFLAGS) $(PILDFLAGS) \
+ $(LT_LDFLAGS) $(ALL_LDFLAGS) -o $@ $(h2ws_LTFLAGS) $(h2ws_OBJECTS) $(h2ws_LDADD)
diff --git a/test/clients/h2ws.c b/test/clients/h2ws.c
new file mode 100644
index 0000000..1de3876
--- /dev/null
+++ b/test/clients/h2ws.c
@@ -0,0 +1,1110 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <apr.h>
+
+#include <assert.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#ifdef APR_HAVE_UNISTD_H
+# include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#ifdef APR_HAVE_FCNTL_H
+# include <fcntl.h>
+#endif /* HAVE_FCNTL_H */
+#include <sys/types.h>
+#include <sys/time.h>
+#ifdef APR_HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif /* HAVE_SYS_SOCKET_H */
+#ifdef APR_HAVE_NETDB_H
+# include <netdb.h>
+#endif /* HAVE_NETDB_H */
+#ifdef APR_HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif /* HAVE_NETINET_IN_H */
+#include <netinet/tcp.h>
+#include <poll.h>
+#include <signal.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <errno.h>
+
+#include <nghttp2/nghttp2.h>
+
+#define MAKE_NV(NAME, VALUE) \
+ { \
+ (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1, \
+ NGHTTP2_NV_FLAG_NONE \
+ }
+
+#define MAKE_NV_CS(NAME, VALUE) \
+ { \
+ (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, strlen(VALUE), \
+ NGHTTP2_NV_FLAG_NONE \
+ }
+
+
+static int verbose;
+static const char *cmd;
+
+static void log_out(const char *level, const char *where, const char *msg)
+{
+ struct timespec tp;
+ struct tm tm;
+ char timebuf[128];
+
+ clock_gettime(CLOCK_REALTIME, &tp);
+ localtime_r(&tp.tv_sec, &tm);
+ strftime(timebuf, sizeof(timebuf)-1, "%H:%M:%S", &tm);
+ fprintf(stderr, "[%s.%09lu][%s][%s] %s\n", timebuf, tp.tv_nsec, level, where, msg);
+}
+
+static void log_err(const char *where, const char *msg)
+{
+ log_out("ERROR", where, msg);
+}
+
+static void log_info(const char *where, const char *msg)
+{
+ if (verbose)
+ log_out("INFO", where, msg);
+}
+
+static void log_debug(const char *where, const char *msg)
+{
+ if (verbose > 1)
+ log_out("DEBUG", where, msg);
+}
+
+#if defined(__GNUC__)
+ __attribute__((format(printf, 2, 3)))
+#endif
+static void log_errf(const char *where, const char *msg, ...)
+{
+ char buffer[8*1024];
+ va_list ap;
+
+ va_start(ap, msg);
+ vsnprintf(buffer, sizeof(buffer), msg, ap);
+ va_end(ap);
+ log_err(where, buffer);
+}
+
+#if defined(__GNUC__)
+ __attribute__((format(printf, 2, 3)))
+#endif
+static void log_infof(const char *where, const char *msg, ...)
+{
+ if (verbose) {
+ char buffer[8*1024];
+ va_list ap;
+
+ va_start(ap, msg);
+ vsnprintf(buffer, sizeof(buffer), msg, ap);
+ va_end(ap);
+ log_info(where, buffer);
+ }
+}
+
+#if defined(__GNUC__)
+ __attribute__((format(printf, 2, 3)))
+#endif
+static void log_debugf(const char *where, const char *msg, ...)
+{
+ if (verbose > 1) {
+ char buffer[8*1024];
+ va_list ap;
+
+ va_start(ap, msg);
+ vsnprintf(buffer, sizeof(buffer), msg, ap);
+ va_end(ap);
+ log_debug(where, buffer);
+ }
+}
+
+static int parse_host_port(const char **phost, uint16_t *pport,
+ int *pipv6, size_t *pconsumed,
+ const char *s, size_t len, uint16_t def_port)
+{
+ size_t i, offset;
+ char *host = NULL;
+ int port = 0;
+ int rv = 1, ipv6 = 0;
+
+ if (!len)
+ goto leave;
+ offset = 0;
+ if (s[offset] == '[') {
+ ipv6 = 1;
+ for (i = offset++; i < len; ++i) {
+ if (s[i] == ']')
+ break;
+ }
+ if (i >= len || i == offset)
+ goto leave;
+ host = strndup(s + offset, i - offset);
+ offset = i + 1;
+ }
+ else {
+ for (i = offset; i < len; ++i) {
+ if (strchr(":/?#", s[i]))
+ break;
+ }
+ if (i == offset) {
+ log_debugf("parse_uri", "empty host name in '%.*s", (int)len, s);
+ goto leave;
+ }
+ host = strndup(s + offset, i - offset);
+ offset = i;
+ }
+ if (offset < len && s[offset] == ':') {
+ port = 0;
+ ++offset;
+ for (i = offset; i < len; ++i) {
+ if (strchr("/?#", s[i]))
+ break;
+ if (s[i] < '0' || s[i] > '9') {
+ log_debugf("parse_uri", "invalid port char '%c'", s[i]);
+ goto leave;
+ }
+ port *= 10;
+ port += s[i] - '0';
+ if (port > 65535) {
+ log_debugf("parse_uri", "invalid port number '%d'", port);
+ goto leave;
+ }
+ }
+ offset = i;
+ }
+ rv = 0;
+
+leave:
+ *phost = rv? NULL : host;
+ *pport = rv? 0 : (port? (uint16_t)port : def_port);
+ if (pipv6)
+ *pipv6 = ipv6;
+ if (pconsumed)
+ *pconsumed = offset;
+ return rv;
+}
+
+struct uri {
+ const char *scheme;
+ const char *host;
+ const char *authority;
+ const char *path;
+ uint16_t port;
+ int ipv6;
+};
+
+static int parse_uri(struct uri *uri, const char *s, size_t len)
+{
+ char tmp[8192];
+ size_t n, offset = 0;
+ uint16_t def_port = 0;
+ int rv = 1;
+
+ /* NOT A REAL URI PARSER */
+ memset(uri, 0, sizeof(*uri));
+ if (len > 5 && !memcmp("ws://", s, 5)) {
+ uri->scheme = "ws";
+ def_port = 80;
+ offset = 5;
+ }
+ else if (len > 6 && !memcmp("wss://", s, 6)) {
+ uri->scheme = "wss";
+ def_port = 443;
+ offset = 6;
+ }
+ else {
+ /* not a scheme we process */
+ goto leave;
+ }
+
+ if (parse_host_port(&uri->host, &uri->port, &uri->ipv6, &n, s + offset,
+ len - offset, def_port))
+ goto leave;
+ offset += n;
+
+ if (uri->port == def_port)
+ uri->authority = uri->host;
+ else if (uri->ipv6) {
+ snprintf(tmp, sizeof(tmp), "[%s]:%u", uri->host, uri->port);
+ uri->authority = strdup(tmp);
+ }
+ else {
+ snprintf(tmp, sizeof(tmp), "%s:%u", uri->host, uri->port);
+ uri->authority = strdup(tmp);
+ }
+
+ if (offset < len) {
+ uri->path = strndup(s + offset, len - offset);
+ }
+ rv = 0;
+
+leave:
+ return rv;
+}
+
+static int sock_nonblock_nodelay(int fd) {
+ int flags, rv;
+ int val = 1;
+
+ while ((flags = fcntl(fd, F_GETFL, 0)) == -1 && errno == EINTR)
+ ;
+ if (flags == -1) {
+ log_errf("sock_nonblock_nodelay", "fcntl get error %d (%s)",
+ errno, strerror(errno));
+ return -1;
+ }
+ while ((rv = fcntl(fd, F_SETFL, flags | O_NONBLOCK)) == -1 && errno == EINTR)
+ ;
+ if (rv == -1) {
+ log_errf("sock_nonblock_nodelay", "fcntl set error %d (%s)",
+ errno, strerror(errno));
+ return -1;
+ }
+ rv = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &val, (socklen_t)sizeof(val));
+ if (rv == -1) {
+ log_errf("sock_nonblock_nodelay", "set nodelay error %d (%s)",
+ errno, strerror(errno));
+ return -1;
+ }
+ return 0;
+}
+
+static int open_connection(const char *host, uint16_t port)
+{
+ char service[NI_MAXSERV];
+ struct addrinfo hints;
+ struct addrinfo *res = NULL, *rp;
+ int rv, fd = -1;
+
+ memset(&hints, 0, sizeof(hints));
+ snprintf(service, sizeof(service), "%u", port);
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ rv = getaddrinfo(host, service, &hints, &res);
+ if (rv) {
+ log_err("getaddrinfo", gai_strerror(rv));
+ goto leave;
+ }
+
+ for (rp = res; rp; rp = rp->ai_next) {
+ fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+ if (fd == -1) {
+ continue;
+ }
+ while ((rv = connect(fd, rp->ai_addr, rp->ai_addrlen)) == -1 &&
+ errno == EINTR)
+ ;
+ if (!rv) /* connected */
+ break;
+ close(fd);
+ fd = -1;
+ }
+
+leave:
+ if (res)
+ freeaddrinfo(res);
+ return fd;
+}
+
+struct h2_stream;
+
+#define IO_WANT_NONE 0
+#define IO_WANT_READ 1
+#define IO_WANT_WRITE 2
+
+struct h2_session {
+ const char *server_name;
+ const char *connect_host;
+ uint16_t connect_port;
+ int fd;
+ nghttp2_session *ngh2;
+ struct h2_stream *streams;
+ int aborted;
+ int want_io;
+};
+
+typedef void h2_stream_closed_cb(struct h2_stream *stream);
+typedef void h2_stream_recv_data(struct h2_stream *stream,
+ const uint8_t *data, size_t len);
+
+struct h2_stream {
+ struct h2_stream *next;
+ struct uri *uri;
+ int32_t id;
+ int fdin;
+ int http_status;
+ uint32_t error_code;
+ unsigned input_closed : 1;
+ unsigned closed : 1;
+ unsigned reset : 1;
+ h2_stream_closed_cb *on_close;
+ h2_stream_recv_data *on_recv_data;
+};
+
+static void h2_session_stream_add(struct h2_session *session,
+ struct h2_stream *stream)
+{
+ struct h2_stream *s;
+ for (s = session->streams; s; s = s->next) {
+ if (s == stream) /* already there? */
+ return;
+ }
+ stream->next = session->streams;
+ session->streams = stream;
+}
+
+static void h2_session_stream_remove(struct h2_session *session,
+ struct h2_stream *stream)
+{
+ struct h2_stream *s, **pnext;
+ pnext = &session->streams;
+ s = session->streams;
+ while (s) {
+ if (s == stream) {
+ *pnext = s->next;
+ s->next = NULL;
+ break;
+ }
+ pnext = &s->next;
+ s = s->next;
+ }
+}
+
+static struct h2_stream *h2_session_stream_get(struct h2_session *session,
+ int32_t id)
+{
+ struct h2_stream *s;
+ for (s = session->streams; s; s = s->next) {
+ if (s->id == id)
+ return s;
+ }
+ return NULL;
+}
+
+static ssize_t h2_session_send(nghttp2_session *ngh2, const uint8_t *data,
+ size_t length, int flags, void *user_data)
+{
+ struct h2_session *session = user_data;
+ ssize_t nwritten;
+ (void)ngh2;
+ (void)flags;
+
+ session->want_io = IO_WANT_NONE;
+ nwritten = send(session->fd, data, length, 0);
+ if (nwritten < 0) {
+ int err = errno;
+ if ((EWOULDBLOCK == err) || (EAGAIN == err) ||
+ (EINTR == err) || (EINPROGRESS == err)) {
+ return NGHTTP2_ERR_WOULDBLOCK;
+ }
+ log_errf("h2_session_send", "error sending %ld bytes: %d (%s)",
+ (long)length, err, strerror(err));
+ return NGHTTP2_ERR_CALLBACK_FAILURE;
+ }
+ return nwritten;
+}
+
+static ssize_t h2_session_recv(nghttp2_session *ngh2, uint8_t *buf,
+ size_t length, int flags, void *user_data)
+{
+ struct h2_session *session = user_data;
+ ssize_t nread;
+ (void)ngh2;
+ (void)flags;
+
+ session->want_io = IO_WANT_NONE;
+ nread = recv(session->fd, buf, length, 0);
+ if (nread < 0) {
+ int err = errno;
+ if ((EWOULDBLOCK == err) || (EAGAIN == err) || (EINTR == err)) {
+ return NGHTTP2_ERR_WOULDBLOCK;
+ }
+ log_errf("h2_session_recv", "error reading %ld bytes: %d (%s)",
+ (long)length, err, strerror(err));
+ return NGHTTP2_ERR_CALLBACK_FAILURE;
+ }
+ return nread;
+}
+
+static int h2_session_on_frame_send(nghttp2_session *session,
+ const nghttp2_frame *frame,
+ void *user_data)
+{
+ size_t i;
+ (void)user_data;
+
+ switch (frame->hd.type) {
+ case NGHTTP2_HEADERS:
+ if (nghttp2_session_get_stream_user_data(session, frame->hd.stream_id)) {
+ const nghttp2_nv *nva = frame->headers.nva;
+ log_infof("frame send", "FRAME[HEADERS, stream=%d",
+ frame->hd.stream_id);
+ for (i = 0; i < frame->headers.nvlen; ++i) {
+ log_infof("frame send", " %.*s: %.*s",
+ (int)nva[i].namelen, nva[i].name,
+ (int)nva[i].valuelen, nva[i].value);
+ }
+ log_infof("frame send", "]");
+ }
+ break;
+ case NGHTTP2_DATA:
+ log_infof("frame send", "FRAME[DATA, stream=%d, length=%d, flags=%d]",
+ frame->hd.stream_id, (int)frame->hd.length,
+ (int)frame->hd.flags);
+ break;
+ case NGHTTP2_RST_STREAM:
+ log_infof("frame send", "FRAME[RST, stream=%d]",
+ frame->hd.stream_id);
+ break;
+ case NGHTTP2_WINDOW_UPDATE:
+ log_infof("frame send", "FRAME[WINDOW_UPDATE, stream=%d]",
+ frame->hd.stream_id);
+ break;
+ case NGHTTP2_GOAWAY:
+ log_infof("frame send", "FRAME[GOAWAY]");
+ break;
+ }
+ return 0;
+}
+
+static int h2_session_on_frame_recv(nghttp2_session *ngh2,
+ const nghttp2_frame *frame,
+ void *user_data)
+{
+ (void)user_data;
+
+ switch (frame->hd.type) {
+ case NGHTTP2_HEADERS:
+ if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE) {
+ log_infof("frame recv", "FRAME[HEADERS, stream=%d]",
+ frame->hd.stream_id);
+ }
+ break;
+ case NGHTTP2_DATA:
+ log_infof("frame recv", "FRAME[DATA, stream=%d, len=%lu, eof=%d]",
+ frame->hd.stream_id, frame->hd.length,
+ (frame->hd.flags & NGHTTP2_FLAG_END_STREAM) != 0);
+ break;
+ case NGHTTP2_RST_STREAM:
+ log_infof("frame recv", "FRAME[RST, stream=%d]",
+ frame->hd.stream_id);
+ fprintf(stdout, "[%d] RST\n", frame->hd.stream_id);
+ break;
+ case NGHTTP2_GOAWAY:
+ log_infof("frame recv", "FRAME[GOAWAY]");
+ break;
+ }
+ return 0;
+}
+
+static int h2_session_on_header(nghttp2_session *ngh2,
+ const nghttp2_frame *frame,
+ const uint8_t *name, size_t namelen,
+ const uint8_t *value, size_t valuelen,
+ uint8_t flags, void *user_data)
+{
+ struct h2_session *session = user_data;
+ struct h2_stream *stream;
+ (void)flags;
+ (void)user_data;
+ log_infof("frame recv", "stream=%d, HEADER %.*s: %.*s",
+ frame->hd.stream_id, (int)namelen, name,
+ (int)valuelen, value);
+ stream = h2_session_stream_get(session, frame->hd.stream_id);
+ if (stream) {
+ if (namelen == 7 && !strncmp(":status", (const char *)name, namelen)) {
+ stream->http_status = 0;
+ if (valuelen < 10) {
+ char tmp[10], *endp;
+ memcpy(tmp, value, valuelen);
+ tmp[valuelen] = 0;
+ stream->http_status = (int)strtol(tmp, &endp, 10);
+ }
+ if (stream->http_status < 100 || stream->http_status >= 600) {
+ log_errf("on header recv", "stream=%d, invalid :status: %.*s",
+ frame->hd.stream_id, (int)valuelen, value);
+ return NGHTTP2_ERR_CALLBACK_FAILURE;
+ }
+ else {
+ fprintf(stdout, "[%d] :status: %d\n", stream->id,
+ stream->http_status);
+ }
+ }
+ }
+ return 0;
+}
+
+static int h2_session_on_stream_close(nghttp2_session *ngh2, int32_t stream_id,
+ uint32_t error_code, void *user_data)
+{
+ struct h2_session *session = user_data;
+ struct h2_stream *stream;
+
+ stream = h2_session_stream_get(session, stream_id);
+ if (stream) {
+ /* closed known stream */
+ stream->error_code = error_code;
+ stream->closed = 1;
+ if (error_code)
+ stream->reset = 1;
+ if (error_code) {
+ log_errf("stream close", "stream %d closed with error %d",
+ stream_id, error_code);
+ }
+
+ h2_session_stream_remove(session, stream);
+ if (stream->on_close)
+ stream->on_close(stream);
+ /* last one? */
+ if (!session->streams) {
+ int rv;
+ rv = nghttp2_session_terminate_session(ngh2, NGHTTP2_NO_ERROR);
+ if (rv) {
+ log_errf("terminate session", "error %d (%s)",
+ rv, nghttp2_strerror(rv));
+ session->aborted = 1;
+ }
+ }
+ }
+ return 0;
+}
+
+static int h2_session_on_data_chunk_recv(nghttp2_session *ngh2, uint8_t flags,
+ int32_t stream_id, const uint8_t *data,
+ size_t len, void *user_data) {
+ struct h2_session *session = user_data;
+ struct h2_stream *stream;
+
+ stream = h2_session_stream_get(session, stream_id);
+ if (stream && stream->on_recv_data) {
+ stream->on_recv_data(stream, data, len);
+ }
+ return 0;
+}
+
+static int h2_session_open(struct h2_session *session, const char *server_name,
+ const char *host, uint16_t port)
+{
+ nghttp2_session_callbacks *cbs = NULL;
+ nghttp2_settings_entry settings[2];
+ int rv = -1;
+
+ memset(session, 0, sizeof(*session));
+ session->server_name = server_name;
+ session->connect_host = host;
+ session->connect_port = port;
+ /* establish socket */
+ session->fd = open_connection(session->connect_host, session->connect_port);
+ if (session->fd < 0) {
+ log_errf(cmd, "could not connect to %s:%u",
+ session->connect_host, session->connect_port);
+ goto leave;
+ }
+ if (sock_nonblock_nodelay(session->fd))
+ goto leave;
+ session->want_io = IO_WANT_NONE;
+
+ log_infof(cmd, "connected to %s via %s:%u", session->server_name,
+ session->connect_host, session->connect_port);
+
+ rv = nghttp2_session_callbacks_new(&cbs);
+ if (rv) {
+ log_errf("setup callbacks", "error_code=%d, msg=%s\n", rv,
+ nghttp2_strerror(rv));
+ rv = -1;
+ goto leave;
+ }
+ /* setup session callbacks */
+ nghttp2_session_callbacks_set_send_callback(cbs, h2_session_send);
+ nghttp2_session_callbacks_set_recv_callback(cbs, h2_session_recv);
+ nghttp2_session_callbacks_set_on_frame_send_callback(
+ cbs, h2_session_on_frame_send);
+ nghttp2_session_callbacks_set_on_frame_recv_callback(
+ cbs, h2_session_on_frame_recv);
+ nghttp2_session_callbacks_set_on_header_callback(
+ cbs, h2_session_on_header);
+ nghttp2_session_callbacks_set_on_stream_close_callback(
+ cbs, h2_session_on_stream_close);
+ nghttp2_session_callbacks_set_on_data_chunk_recv_callback(
+ cbs, h2_session_on_data_chunk_recv);
+ /* create the ngh2 session */
+ rv = nghttp2_session_client_new(&session->ngh2, cbs, session);
+ if (rv) {
+ log_errf("client new", "error_code=%d, msg=%s\n", rv,
+ nghttp2_strerror(rv));
+ rv = -1;
+ goto leave;
+ }
+ /* submit initial settings */
+ settings[0].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS;
+ settings[0].value = 100;
+ settings[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE;
+ settings[1].value = 10 * 1024 * 1024;
+
+ rv = nghttp2_submit_settings(session->ngh2, NGHTTP2_FLAG_NONE, settings, 2);
+ if (rv) {
+ log_errf("submit settings", "error_code=%d, msg=%s\n", rv,
+ nghttp2_strerror(rv));
+ rv = -1;
+ goto leave;
+ }
+ rv = nghttp2_session_set_local_window_size(session->ngh2, NGHTTP2_FLAG_NONE,
+ 0, 10 * 1024 * 1024);
+ if (rv) {
+ log_errf("set connection window size", "error_code=%d, msg=%s\n", rv,
+ nghttp2_strerror(rv));
+ rv = -1;
+ goto leave;
+ }
+ rv = 0;
+
+leave:
+ if (cbs)
+ nghttp2_session_callbacks_del(cbs);
+ return rv;
+}
+
+static int h2_session_io(struct h2_session *session) {
+ int rv;
+ rv = nghttp2_session_recv(session->ngh2);
+ if (rv) {
+ log_errf("session recv", "error_code=%d, msg=%s\n", rv,
+ nghttp2_strerror(rv));
+ return 1;
+ }
+ rv = nghttp2_session_send(session->ngh2);
+ if (rv) {
+ log_errf("session send", "error_code=%d, msg=%s\n", rv,
+ nghttp2_strerror(rv));
+ }
+ return 0;
+}
+
+struct h2_poll_ctx;
+typedef int h2_poll_ev_cb(struct h2_poll_ctx *pctx, struct pollfd *pfd);
+
+struct h2_poll_ctx {
+ struct h2_session *session;
+ struct h2_stream *stream;
+ h2_poll_ev_cb *on_ev;
+};
+
+static int h2_session_ev(struct h2_poll_ctx *pctx, struct pollfd *pfd)
+{
+ if (pfd->revents & (POLLIN | POLLOUT)) {
+ h2_session_io(pctx->session);
+ }
+ else if (pfd->revents & POLLHUP) {
+ log_errf("session run", "connection closed");
+ return -1;
+ }
+ else if (pfd->revents & POLLERR) {
+ log_errf("session run", "connection error");
+ return -1;
+ }
+ return 0;
+}
+
+static int h2_stream_ev(struct h2_poll_ctx *pctx, struct pollfd *pfd)
+{
+ if (pfd->revents & (POLLIN | POLLHUP)) {
+ nghttp2_session_resume_data(pctx->session->ngh2, pctx->stream->id);
+ }
+ else if (pfd->revents & (POLLERR)) {
+ nghttp2_submit_rst_stream(pctx->session->ngh2, NGHTTP2_FLAG_NONE,
+ pctx->stream->id, NGHTTP2_STREAM_CLOSED);
+ }
+ return 0;
+}
+
+static nfds_t h2_session_set_poll(struct h2_session *session,
+ struct h2_poll_ctx *pollctxs,
+ struct pollfd *pfds)
+{
+ nfds_t n = 0;
+ int want_read, want_write;
+ struct h2_stream *stream;
+
+ want_read = (nghttp2_session_want_read(session->ngh2) ||
+ session->want_io == IO_WANT_READ);
+ want_write = (nghttp2_session_want_write(session->ngh2) ||
+ session->want_io == IO_WANT_WRITE);
+ if (want_read || want_write) {
+ pollctxs[n].session = session;
+ pollctxs[n].stream = NULL;
+ pollctxs[n].on_ev = h2_session_ev;
+ pfds[n].fd = session->fd;
+ pfds[n].events = pfds[n].revents = 0;
+ if (want_read)
+ pfds[n].events |= (POLLIN | POLLHUP);
+ if (want_write)
+ pfds[n].events |= (POLLOUT | POLLERR);
+ ++n;
+ }
+
+ for (stream = session->streams; stream; stream = stream->next) {
+ if (stream->fdin >= 0 && !stream->input_closed && !stream->closed) {
+ pollctxs[n].session = session;
+ pollctxs[n].stream = stream;
+ pollctxs[n].on_ev = h2_stream_ev;
+ pfds[n].fd = stream->fdin;
+ pfds[n].revents = 0;
+ pfds[n].events = (POLLIN | POLLHUP);
+ ++n;
+ }
+ }
+ return n;
+}
+
+static void h2_session_run(struct h2_session *session)
+{
+ struct h2_poll_ctx pollctxs[5];
+ struct pollfd pfds[5];
+ nfds_t npollfds, i;
+
+ npollfds = h2_session_set_poll(session, pollctxs, pfds);
+ while (npollfds) {
+ if (poll(pfds, npollfds, -1) == -1) {
+ log_errf("session run", "poll error %d (%s)", errno, strerror(errno));
+ break;
+ }
+ for (i = 0; i < npollfds; ++i) {
+ if (pfds[i].revents) {
+ if (pollctxs[i].on_ev(&pollctxs[i], &pfds[i])) {
+ break;
+ }
+ }
+ }
+ npollfds = h2_session_set_poll(session, pollctxs, pfds);
+ if (!session->streams)
+ break;
+ }
+}
+
+static void h2_session_close(struct h2_session *session)
+{
+ log_infof(cmd, "closed session to %s:%u",
+ session->connect_host, session->connect_port);
+}
+
+/* websocket stream */
+
+struct ws_stream {
+ struct h2_stream s;
+};
+
+static void ws_stream_on_close(struct h2_stream *stream)
+{
+ log_infof("ws stream", "stream %d closed", stream->id);
+ if (!stream->reset)
+ fprintf(stdout, "[%d] EOF\n", stream->id);
+}
+
+static void ws_stream_on_recv_data(struct h2_stream *stream,
+ const uint8_t *data, size_t len)
+{
+ size_t i;
+
+ log_infof("ws stream", "stream %d recv %lu data bytes",
+ stream->id, (unsigned long)len);
+ for (i = 0; i < len; ++i) {
+ fprintf(stdout, "%s%02x", (i&0xf)? " " : (i? "\n" : ""), data[i]);
+ }
+ fprintf(stdout, "\n");
+}
+
+static int ws_stream_create(struct ws_stream **pstream, struct uri *uri)
+{
+ struct ws_stream *stream;
+
+ stream = calloc(1, sizeof(*stream));
+ if (!stream) {
+ log_errf("ws stream create", "out of memory");
+ *pstream = NULL;
+ return -1;
+ }
+ stream->s.uri = uri;
+ stream->s.id = -1;
+ stream->s.on_close = ws_stream_on_close;
+ stream->s.on_recv_data = ws_stream_on_recv_data;
+ *pstream = stream;
+ return 0;
+}
+
+static ssize_t ws_stream_read_req_body(nghttp2_session *ngh2,
+ int32_t stream_id,
+ uint8_t *buf, size_t buflen,
+ uint32_t *pflags,
+ nghttp2_data_source *source,
+ void *user_data)
+{
+ struct h2_session *session = user_data;
+ struct ws_stream *stream;
+ ssize_t nread = 0;
+ int eof = 0;
+
+ stream = (struct ws_stream *)h2_session_stream_get(session, stream_id);
+ if (!stream) {
+ log_errf("stream req body", "stream not known");
+ return NGHTTP2_ERR_CALLBACK_FAILURE;
+ }
+
+ (void)source;
+ assert(stream->s.fdin >= 0);
+ nread = read(stream->s.fdin, buf, buflen);
+ log_debugf("stream req body", "fread(len=%lu) -> %ld",
+ (unsigned long)buflen, (long)nread);
+
+ if (nread < 0) {
+ if (errno == EAGAIN) {
+ nread = 0;
+ }
+ else {
+ log_errf("stream req body", "error on input");
+ return NGHTTP2_ERR_CALLBACK_FAILURE;
+ }
+ }
+ else if (nread == 0) {
+ eof = 1;
+ stream->s.input_closed = 1;
+ }
+
+ *pflags = stream->s.input_closed? NGHTTP2_DATA_FLAG_EOF : 0;
+ if (nread == 0 && !eof) {
+ return NGHTTP2_ERR_DEFERRED;
+ }
+ return nread;
+}
+
+static int ws_stream_submit(struct ws_stream *stream,
+ struct h2_session *session,
+ const nghttp2_nv *nva, size_t nvalen,
+ int fdin)
+{
+ nghttp2_data_provider provider, *req_body = NULL;
+
+ if (fdin >= 0) {
+ sock_nonblock_nodelay(fdin);
+ stream->s.fdin = fdin;
+ provider.read_callback = ws_stream_read_req_body;
+ provider.source.ptr = NULL;
+ req_body = &provider;
+ }
+ else {
+ stream->s.input_closed = 1;
+ }
+
+ stream->s.id = nghttp2_submit_request(session->ngh2, NULL, nva, nvalen,
+ req_body, stream);
+ if (stream->s.id < 0) {
+ log_errf("ws stream submit", "nghttp2_submit_request: error %d",
+ stream->s.id);
+ return -1;
+ }
+
+ h2_session_stream_add(session, &stream->s);
+ log_infof("ws stream submit", "stream %d opened for %s%s",
+ stream->s.id, stream->s.uri->authority, stream->s.uri->path);
+ return 0;
+}
+
+static void usage(const char *msg)
+{
+ if(msg)
+ fprintf(stderr, "%s\n", msg);
+ fprintf(stderr,
+ "usage: [options] ws-uri scenario\n"
+ " run a websocket scenario to the ws-uri, options:\n"
+ " -c host:port connect to host:port\n"
+ " -v increase verbosity\n"
+ "scenarios are:\n"
+ " * fail-proto: CONNECT using wrong :protocol\n"
+ " * miss-authority: CONNECT without :authority header\n"
+ " * miss-path: CONNECT without :path header\n"
+ " * miss-scheme: CONNECT without :scheme header\n"
+ " * miss-version: CONNECT without sec-webSocket-version header\n"
+ " * ws-empty: open valid websocket, do not send anything\n"
+ );
+}
+
+int main(int argc, char *argv[])
+{
+ const char *host = NULL, *scenario;
+ uint16_t port = 80;
+ struct uri uri;
+ struct h2_session session;
+ struct ws_stream *stream;
+ char ch;
+
+ cmd = argv[0];
+ while((ch = getopt(argc, argv, "c:vh")) != -1) {
+ switch(ch) {
+ case 'c':
+ if (parse_host_port(&host, &port, NULL, NULL,
+ optarg, strlen(optarg), 80)) {
+ log_errf(cmd, "could not parse connect '%s'", optarg);
+ return 1;
+ }
+ break;
+ case 'h':
+ usage(NULL);
+ return 2;
+ break;
+ case 'v':
+ ++verbose;
+ break;
+ default:
+ usage("invalid option");
+ return 1;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1) {
+ usage("need URL");
+ return 1;
+ }
+ if (argc < 2) {
+ usage("need scenario");
+ return 1;
+ }
+ if (parse_uri(&uri, argv[0], strlen(argv[0]))) {
+ log_errf(cmd, "could not parse uri '%s'", argv[0]);
+ return 1;
+ }
+ log_debugf(cmd, "normalized uri: %s://%s:%u%s", uri.scheme, uri.host,
+ uri.port, uri.path? uri.path : "");
+ scenario = argv[1];
+
+ if (!host) {
+ host = uri.host;
+ port = uri.port;
+ }
+
+ if (h2_session_open(&session, uri.host, host, port))
+ return 1;
+
+ if (ws_stream_create(&stream, &uri))
+ return 1;
+
+ if (!strcmp(scenario, "ws-stdin")) {
+ const nghttp2_nv nva[] = {
+ MAKE_NV(":method", "CONNECT"),
+ MAKE_NV_CS(":path", stream->s.uri->path),
+ MAKE_NV_CS(":scheme", "http"),
+ MAKE_NV_CS(":authority", stream->s.uri->authority),
+ MAKE_NV_CS(":protocol", "websocket"),
+ MAKE_NV("accept", "*/*"),
+ MAKE_NV("user-agent", "mod_h2/h2ws-test"),
+ MAKE_NV("sec-webSocket-version", "13"),
+ MAKE_NV("sec-webSocket-protocol", "chat"),
+ };
+ if (ws_stream_submit(stream, &session,
+ nva, sizeof(nva) / sizeof(nva[0]), 0))
+ return 1;
+ }
+ else if (!strcmp(scenario, "fail-proto")) {
+ const nghttp2_nv nva[] = {
+ MAKE_NV(":method", "CONNECT"),
+ MAKE_NV_CS(":path", stream->s.uri->path),
+ MAKE_NV_CS(":scheme", "http"),
+ MAKE_NV_CS(":authority", stream->s.uri->authority),
+ MAKE_NV_CS(":protocol", "websockets"),
+ MAKE_NV("accept", "*/*"),
+ MAKE_NV("user-agent", "mod_h2/h2ws-test"),
+ MAKE_NV("sec-webSocket-version", "13"),
+ MAKE_NV("sec-webSocket-protocol", "chat"),
+ };
+ if (ws_stream_submit(stream, &session,
+ nva, sizeof(nva) / sizeof(nva[0]), -1))
+ return 1;
+ }
+ else if (!strcmp(scenario, "miss-version")) {
+ const nghttp2_nv nva[] = {
+ MAKE_NV(":method", "CONNECT"),
+ MAKE_NV_CS(":path", stream->s.uri->path),
+ MAKE_NV_CS(":scheme", "http"),
+ MAKE_NV_CS(":authority", stream->s.uri->authority),
+ MAKE_NV_CS(":protocol", "websocket"),
+ MAKE_NV("accept", "*/*"),
+ MAKE_NV("user-agent", "mod_h2/h2ws-test"),
+ MAKE_NV("sec-webSocket-protocol", "chat"),
+ };
+ if (ws_stream_submit(stream, &session,
+ nva, sizeof(nva) / sizeof(nva[0]), -1))
+ return 1;
+ }
+ else if (!strcmp(scenario, "miss-path")) {
+ const nghttp2_nv nva[] = {
+ MAKE_NV(":method", "CONNECT"),
+ MAKE_NV_CS(":scheme", "http"),
+ MAKE_NV_CS(":authority", stream->s.uri->authority),
+ MAKE_NV_CS(":protocol", "websocket"),
+ MAKE_NV("accept", "*/*"),
+ MAKE_NV("user-agent", "mod_h2/h2ws-test"),
+ MAKE_NV("sec-webSocket-version", "13"),
+ MAKE_NV("sec-webSocket-protocol", "chat"),
+ };
+ if (ws_stream_submit(stream, &session,
+ nva, sizeof(nva) / sizeof(nva[0]), -1))
+ return 1;
+ }
+ else if (!strcmp(scenario, "miss-scheme")) {
+ const nghttp2_nv nva[] = {
+ MAKE_NV(":method", "CONNECT"),
+ MAKE_NV_CS(":path", stream->s.uri->path),
+ MAKE_NV_CS(":authority", stream->s.uri->authority),
+ MAKE_NV_CS(":protocol", "websocket"),
+ MAKE_NV("accept", "*/*"),
+ MAKE_NV("user-agent", "mod_h2/h2ws-test"),
+ MAKE_NV("sec-webSocket-version", "13"),
+ MAKE_NV("sec-webSocket-protocol", "chat"),
+ };
+ if (ws_stream_submit(stream, &session,
+ nva, sizeof(nva) / sizeof(nva[0]), -1))
+ return 1;
+ }
+ else if (!strcmp(scenario, "miss-authority")) {
+ const nghttp2_nv nva[] = {
+ MAKE_NV(":method", "CONNECT"),
+ MAKE_NV_CS(":path", stream->s.uri->path),
+ MAKE_NV_CS(":scheme", "http"),
+ MAKE_NV_CS(":protocol", "websocket"),
+ MAKE_NV("accept", "*/*"),
+ MAKE_NV("user-agent", "mod_h2/h2ws-test"),
+ MAKE_NV("sec-webSocket-version", "13"),
+ MAKE_NV("sec-webSocket-protocol", "chat"),
+ };
+ if (ws_stream_submit(stream, &session,
+ nva, sizeof(nva) / sizeof(nva[0]), -1))
+ return 1;
+ }
+ else {
+ log_errf(cmd, "unknown scenario: %s", scenario);
+ return 1;
+ }
+
+ h2_session_run(&session);
+ h2_session_close(&session);
+ return 0;
+}