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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
commit8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch)
tree4099e8021376c7d8c05bdf8503093d80e9c7bad0 /ctdb/tests/src/comm_client_test.c
parentInitial commit. (diff)
downloadsamba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz
samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ctdb/tests/src/comm_client_test.c')
-rw-r--r--ctdb/tests/src/comm_client_test.c217
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);
+}