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Diffstat (limited to '')
| -rw-r--r-- | ctdb/tests/src/tunnel_cmd.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/ctdb/tests/src/tunnel_cmd.c b/ctdb/tests/src/tunnel_cmd.c new file mode 100644 index 0000000..73a2297 --- /dev/null +++ b/ctdb/tests/src/tunnel_cmd.c @@ -0,0 +1,199 @@ +/* + CTDB tunnel test + + Copyright (C) Amitay Isaacs 2017 + + 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/network.h" + +#include <talloc.h> +#include <tevent.h> + +#include "lib/util/tevent_unix.h" + +#include "protocol/protocol_private.h" +#include "client/client.h" + +#define TUNNEL_ID (CTDB_TUNNEL_TEST | 0xf0f0f0f0) + +struct listen_state { + TALLOC_CTX *mem_ctx; + bool done; +}; + +static void listen_callback(struct ctdb_tunnel_context *tctx, + uint32_t srcnode, uint32_t reqid, + uint8_t *buf, size_t buflen, + void *private_data) +{ + struct listen_state *state = (struct listen_state *)private_data; + const char *msg; + size_t np; + int ret; + + ret = ctdb_stringn_pull(buf, buflen, state->mem_ctx, &msg, &np); + if (ret != 0) { + fprintf(stderr, "Invalid tunnel message, ret=%d\n", ret); + return; + } + + fprintf(stderr, "%u: %s\n", srcnode, msg); + + if (strcmp(msg, "quit") == 0) { + state->done = true; + } + + talloc_free(discard_const(msg)); +} + +static int cmd_listen(TALLOC_CTX *mem_ctx, struct tevent_context *ev, + struct ctdb_client_context *client) +{ + struct ctdb_tunnel_context *tunnel; + struct listen_state state; + int ret; + + state.mem_ctx = mem_ctx; + state.done = false; + + ret = ctdb_tunnel_setup(mem_ctx, ev, client, TUNNEL_ID, + listen_callback, &state, &tunnel); + if (ret != 0) { + return ret; + } + + ctdb_client_wait(ev, &state.done); + + ret = ctdb_tunnel_destroy(ev, tunnel); + if (ret != 0) { + return ret; + } + + return 0; +} + +static void send_callback(struct ctdb_tunnel_context *tctx, + uint32_t srcnode, uint32_t reqid, + uint8_t *buf, size_t buflen, void *private_data) +{ + fprintf(stderr, "send received a message - %u: %zu\n", srcnode, buflen); +} + +static int cmd_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev, + struct ctdb_client_context *client, + uint32_t destnode, const char *msg) +{ + struct ctdb_tunnel_context *tunnel; + uint8_t *buf; + size_t buflen, np; + int ret; + + ret = ctdb_tunnel_setup(mem_ctx, ev, client, TUNNEL_ID, + send_callback, NULL, &tunnel); + if (ret != 0) { + return ret; + } + + buflen = ctdb_stringn_len(&msg); + buf = talloc_size(mem_ctx, buflen); + if (buf == NULL) { + return ENOMEM; + } + ctdb_stringn_push(&msg, buf, &np); + + ret = ctdb_tunnel_request(mem_ctx, ev, tunnel, destnode, + tevent_timeval_zero(), buf, buflen, false); + if (ret != 0) { + return ret; + } + + ret = ctdb_tunnel_destroy(ev, tunnel); + if (ret != 0) { + return ret; + } + + return 0; +} + +static void usage(const char *cmd) +{ + fprintf(stderr, "usage: %s <ctdb-socket> listen\n", cmd); + fprintf(stderr, "usage: %s <ctdb-socket> send <pnn> <msg>\n", cmd); +} + +int main(int argc, const char **argv) +{ + TALLOC_CTX *mem_ctx; + struct tevent_context *ev; + struct ctdb_client_context *client; + const char *socket = NULL, *msg = NULL; + uint32_t pnn = CTDB_UNKNOWN_PNN; + int ret; + bool do_listen = false; + bool do_send = false; + + if (argc != 3 && argc != 5) { + usage(argv[0]); + exit(1); + } + + socket = argv[1]; + + if (strcmp(argv[2], "listen") == 0) { + do_listen = true; + } else if (strcmp(argv[2], "send") == 0) { + if (argc != 5) { + usage(argv[0]); + exit(1); + } + + pnn = atol(argv[3]); + msg = argv[4]; + do_send = true; + } else { + usage(argv[0]); + exit(1); + } + + mem_ctx = talloc_new(NULL); + if (mem_ctx == NULL) { + exit(1); + } + + ev = tevent_context_init(mem_ctx); + if (ev == NULL) { + talloc_free(mem_ctx); + exit(1); + } + + ret = ctdb_client_init(mem_ctx, ev, socket, &client); + if (ret != 0) { + talloc_free(mem_ctx); + exit(1); + } + + if (do_listen) { + ret = cmd_listen(mem_ctx, ev, client); + } + if (do_send) { + ret = cmd_send(mem_ctx, ev, client, pnn, msg); + } + + talloc_free(mem_ctx); + + return ret; +} |