Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 217 insertions, 0 deletions

diff --git a/ctdb/tests/src/comm_client_test.c b/ctdb/tests/src/comm_client_test.c
new file mode 100644
index 0000000..41ed5f7
--- /dev/null
+++ b/ctdb/tests/src/comm_client_test.c
@@ -0,0 +1,217 @@
+/*
+   comm tests
+
+   Copyright (C) Amitay Isaacs  2015
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "replace.h"
+#include "system/filesys.h"
+
+#include <assert.h>
+
+#include "common/pkt_read.c"
+#include "common/pkt_write.c"
+#include "common/comm.c"
+
+
+struct writer_state {
+	struct tevent_context *ev;
+	struct comm_context *comm;
+	uint8_t *buf;
+	size_t *pkt_size;
+	size_t count, id;
+};
+
+static void writer_done(struct tevent_req *subreq);
+static void read_handler(uint8_t *buf, size_t buflen, void *private_data);
+static void dead_handler(void *private_data);
+
+static struct tevent_req *writer_send(TALLOC_CTX *mem_ctx,
+				      struct tevent_context *ev,
+				      int fd, size_t *pkt_size,
+				      size_t count)
+{
+	struct tevent_req *req, *subreq;
+	struct writer_state *state;
+	size_t max_size = 0, buflen;
+	size_t i;
+	int ret;
+
+	for (i=0; i<count; i++) {
+		if (pkt_size[i] > max_size) {
+			max_size = pkt_size[i];
+		}
+	}
+
+	req = tevent_req_create(mem_ctx, &state, struct writer_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	state->ev = ev;
+	state->pkt_size = pkt_size;
+	state->count = count;
+	state->id = 0;
+
+	ret = comm_setup(state, ev, fd, read_handler, req,
+			 dead_handler, req, &state->comm);
+	if (ret != 0) {
+		tevent_req_error(req, ret);
+		return tevent_req_post(req, ev);
+	}
+
+	state->buf = talloc_array(state, uint8_t, max_size);
+	if (state->buf == NULL) {
+		talloc_free(req);
+		return NULL;
+	}
+	for (i=0; i<max_size; i++) {
+		state->buf[i] = i%256;
+	}
+
+	buflen = state->pkt_size[state->id];
+	*(uint32_t *)state->buf = buflen;
+	subreq = comm_write_send(state, state->ev, state->comm,
+					 state->buf, buflen);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, writer_done, req);
+
+	return req;
+}
+
+static void writer_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	bool ret;
+	int err;
+
+	ret = comm_write_recv(subreq, &err);
+	TALLOC_FREE(subreq);
+	if (!ret) {
+		tevent_req_error(req, err);
+		return;
+	}
+}
+
+static void read_handler(uint8_t *buf, size_t buflen, void *private_data)
+{
+	struct tevent_req *req = talloc_get_type_abort(
+		private_data, struct tevent_req);
+	struct writer_state *state = tevent_req_data(
+		req, struct writer_state);
+	struct tevent_req *subreq;
+
+	if (buflen != state->pkt_size[state->id]) {
+		tevent_req_error(req, EIO);
+		return;
+	}
+
+	state->id++;
+	if (state->id >= state->count) {
+		tevent_req_done(req);
+		return;
+	}
+
+	buflen = state->pkt_size[state->id];
+	*(uint32_t *)state->buf = buflen;
+	subreq = comm_write_send(state, state->ev, state->comm,
+				 state->buf, buflen);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, writer_done, req);
+}
+
+static void dead_handler(void *private_data)
+{
+	struct tevent_req *req = talloc_get_type_abort(
+		private_data, struct tevent_req);
+
+	tevent_req_error(req, EPIPE);
+}
+
+static void writer_recv(struct tevent_req *req, int *perr)
+{
+	if (tevent_req_is_unix_error(req, perr)) {
+		return;
+	}
+	*perr = 0;
+}
+
+static int socket_init(char *sockpath)
+{
+	struct sockaddr_un addr;
+	int fd, ret, i;
+	size_t len;
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+
+	len = strlcpy(addr.sun_path, sockpath, sizeof(addr.sun_path));
+	assert(len < sizeof(addr.sun_path));
+
+	fd = socket(AF_UNIX, SOCK_STREAM, 0);
+	assert(fd != -1);
+
+	for (i=0; i<5; i++) {
+		ret = connect(fd, (struct sockaddr *)&addr, sizeof(addr));
+		if (ret == 0) {
+			break;
+		}
+		sleep(1);
+	}
+	assert(ret != -1);
+
+	return fd;
+}
+
+int main(int argc, char *argv[])
+{
+	TALLOC_CTX *mem_ctx;
+	struct tevent_context *ev;
+	struct tevent_req *req;
+	int fd;
+	size_t pkt_size[13] = { 100, 2048, 500, 4096, 1024, 8192,
+				200, 16384, 300, 32768, 400, 65536,
+				1024*1024 };
+	int err;
+
+	if (argc != 2) {
+		printf("Usage: %s <sockpath>\n", argv[0]);
+		exit(1);
+	}
+
+	mem_ctx = talloc_new(NULL);
+	assert(mem_ctx != NULL);
+
+	ev = tevent_context_init(mem_ctx);
+	assert(ev != NULL);
+
+	fd = socket_init(argv[1]);
+
+	req = writer_send(mem_ctx, ev, fd, pkt_size, 13);
+	assert(req != NULL);
+
+	tevent_req_poll(req, ev);
+
+	writer_recv(req, &err);
+	assert(err == 0);
+
+	exit(0);
+}