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Diffstat (limited to '')
| -rw-r--r-- | ctdb/tests/src/transaction_loop.c | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/ctdb/tests/src/transaction_loop.c b/ctdb/tests/src/transaction_loop.c new file mode 100644 index 0000000..c6bf35d --- /dev/null +++ b/ctdb/tests/src/transaction_loop.c @@ -0,0 +1,419 @@ +/* + simple ctdb benchmark for persistent databases + + Copyright (C) Amitay Isaacs 2016 + + 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 "lib/util/debug.h" +#include "lib/util/tevent_unix.h" + +#include "client/client.h" +#include "tests/src/test_options.h" +#include "tests/src/cluster_wait.h" + +struct transaction_loop_state { + struct tevent_context *ev; + struct ctdb_client_context *client; + struct ctdb_db_context *ctdb_db; + int num_nodes; + int timelimit; + int interactive; + TDB_DATA key; + uint32_t pnn; + struct ctdb_transaction_handle *h; + uint32_t *old_counter, *counter; + struct tevent_req *subreq; + bool done; +}; + +static void transaction_loop_start(struct tevent_req *subreq); +static void transaction_loop_started(struct tevent_req *subreq); +static void transaction_loop_committed(struct tevent_req *subreq); +static void transaction_loop_each_second(struct tevent_req *subreq); +static bool transaction_loop_check_counters(struct tevent_req *req); +static void transaction_loop_finish(struct tevent_req *subreq); + +static struct tevent_req *transaction_loop_send( + TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct ctdb_client_context *client, + struct ctdb_db_context *ctdb_db, + int num_nodes, int timelimit, int interactive, + const char *keystr) +{ + struct tevent_req *req, *subreq; + struct transaction_loop_state *state; + + req = tevent_req_create(mem_ctx, &state, + struct transaction_loop_state); + if (req == NULL) { + return NULL; + } + + state->ev = ev; + state->client = client; + state->ctdb_db = ctdb_db; + state->num_nodes = num_nodes; + state->timelimit = timelimit; + state->interactive = interactive; + state->key.dptr = discard_const(keystr); + state->key.dsize = strlen(keystr); + state->pnn = ctdb_client_pnn(client); + state->old_counter = talloc_zero_array(state, uint32_t, num_nodes); + if (tevent_req_nomem(state->old_counter, req)) { + return tevent_req_post(req, ev); + } + state->counter = talloc_zero_array(state, uint32_t, num_nodes); + if (tevent_req_nomem(state->counter, req)) { + return tevent_req_post(req, ev); + } + + subreq = cluster_wait_send(state, state->ev, state->client, + state->num_nodes); + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(subreq, transaction_loop_start, req); + + return req; +} + +static void transaction_loop_start(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct transaction_loop_state *state = tevent_req_data( + req, struct transaction_loop_state); + bool status; + int ret; + + status = cluster_wait_recv(subreq, &ret); + TALLOC_FREE(subreq); + if (! status) { + tevent_req_error(req, ret); + return; + } + + subreq = ctdb_transaction_start_send(state, state->ev, state->client, + tevent_timeval_current_ofs( + state->timelimit, 0), + state->ctdb_db, false); + if (tevent_req_nomem(subreq, req)) { + return; + } + tevent_req_set_callback(subreq, transaction_loop_started, req); + state->subreq = subreq; + + if (ctdb_client_pnn(state->client) == 0) { + subreq = tevent_wakeup_send(state, state->ev, + tevent_timeval_current_ofs(1, 0)); + if (tevent_req_nomem(subreq, req)) { + return; + } + tevent_req_set_callback(subreq, transaction_loop_each_second, + req); + } + + subreq = tevent_wakeup_send(state, state->ev, + tevent_timeval_current_ofs( + state->timelimit, 0)); + if (tevent_req_nomem(subreq, req)) { + return; + } + tevent_req_set_callback(subreq, transaction_loop_finish, req); +} + +static void transaction_loop_started(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct transaction_loop_state *state = tevent_req_data( + req, struct transaction_loop_state); + TDB_DATA data; + int ret; + uint32_t *counter; + + state->h = ctdb_transaction_start_recv(subreq, &ret); + TALLOC_FREE(subreq); + state->subreq = NULL; + if (state->h == NULL) { + fprintf(stderr, "transaction start failed\n"); + tevent_req_error(req, ret); + return; + } + + ret = ctdb_transaction_fetch_record(state->h, state->key, + state, &data); + if (ret != 0) { + fprintf(stderr, "transaction fetch record failed\n"); + tevent_req_error(req, ret); + return; + } + + if (data.dsize < state->num_nodes * sizeof(uint32_t)) { + TALLOC_FREE(data.dptr); + + data.dsize = state->num_nodes * sizeof(uint32_t); + data.dptr = (uint8_t *)talloc_zero_array(state, uint32_t, + state->num_nodes); + if (tevent_req_nomem(data.dptr, req)) { + return; + } + } + + counter = (uint32_t *)data.dptr; + counter[state->pnn] += 1; + memcpy(state->counter, counter, state->num_nodes * sizeof(uint32_t)); + + ret = ctdb_transaction_store_record(state->h, state->key, data); + if (ret != 0) { + fprintf(stderr, "transaction store failed\n"); + tevent_req_error(req, ret); + return; + } + + subreq = ctdb_transaction_commit_send(state, state->ev, + tevent_timeval_current_ofs( + state->timelimit, 0), + state->h); + if (tevent_req_nomem(subreq, req)) { + return; + } + tevent_req_set_callback(subreq, transaction_loop_committed, req); + state->subreq = subreq; +} + +static void transaction_loop_committed(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct transaction_loop_state *state = tevent_req_data( + req, struct transaction_loop_state); + int ret; + bool status; + + status = ctdb_transaction_commit_recv(subreq, &ret); + TALLOC_FREE(subreq); + state->subreq = NULL; + if (! status) { + fprintf(stderr, "transaction commit failed - %s\n", + strerror(ret)); + tevent_req_error(req, ret); + return; + } + + if (state->pnn == 0) { + if (! transaction_loop_check_counters(req)) { + return; + } + } + + if (state->done) { + int i; + + printf("Transaction[%u]: ", ctdb_client_pnn(state->client)); + for (i=0; i<state->num_nodes; i++) { + printf("%6u ", state->counter[i]); + } + printf("\n"); + + tevent_req_done(req); + + return; + } + + subreq = ctdb_transaction_start_send(state, state->ev, state->client, + tevent_timeval_current_ofs( + state->timelimit, 0), + state->ctdb_db, false); + if (tevent_req_nomem(subreq, req)) { + return; + } + tevent_req_set_callback(subreq, transaction_loop_started, req); +} + +static void transaction_loop_each_second(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct transaction_loop_state *state = tevent_req_data( + req, struct transaction_loop_state); + bool status; + int i; + + status = tevent_wakeup_recv(subreq); + TALLOC_FREE(subreq); + if (! status) { + fprintf(stderr, "tevent wakeup failed\n"); + tevent_req_error(req, EIO); + return; + } + + if (state->interactive == 1) { + printf("Transaction[%u]: ", ctdb_client_pnn(state->client)); + for (i=0; i<state->num_nodes; i++) { + printf("%6u ", state->counter[i]); + } + printf("\n"); + fflush(stdout); + } + + subreq = tevent_wakeup_send(state, state->ev, + tevent_timeval_current_ofs(1, 0)); + if (tevent_req_nomem(subreq, req)) { + return; + } + tevent_req_set_callback(subreq, transaction_loop_each_second, req); +} + +static bool transaction_loop_check_counters(struct tevent_req *req) +{ + struct transaction_loop_state *state = tevent_req_data( + req, struct transaction_loop_state); + int i; + bool monotonous = true; + + for (i=0; i<state->num_nodes; i++) { + if (state->counter[i] < state->old_counter[i]) { + fprintf(stderr, + "Counter reduced for node %d: %u -> %u\n", + i, state->old_counter[i], state->counter[i]); + monotonous = false; + break; + } + } + + if (monotonous) { + memcpy(state->old_counter, state->counter, + state->num_nodes * sizeof(uint32_t)); + } + + return monotonous; +} + +static void transaction_loop_finish(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct transaction_loop_state *state = tevent_req_data( + req, struct transaction_loop_state); + bool status; + + status = tevent_wakeup_recv(subreq); + TALLOC_FREE(subreq); + + state->done = true; + + if (! status) { + tevent_req_error(req, EIO); + return; + } +} + +static bool transaction_loop_recv(struct tevent_req *req, int *perr) +{ + int err; + + if (tevent_req_is_unix_error(req, &err)) { + if (perr != NULL) { + *perr = err; + } + return false; + } + return true; +} + +int main(int argc, const char *argv[]) +{ + const struct test_options *opts; + TALLOC_CTX *mem_ctx; + struct tevent_context *ev; + struct ctdb_client_context *client; + struct ctdb_db_context *ctdb_db; + struct tevent_req *req; + uint8_t db_flags; + int ret; + bool status; + + setup_logging("transaction_loop", DEBUG_STDERR); + + status = process_options_database(argc, argv, &opts); + if (! status) { + exit(1); + } + + mem_ctx = talloc_new(NULL); + if (mem_ctx == NULL) { + fprintf(stderr, "Memory allocation error\n"); + exit(1); + } + + ev = tevent_context_init(mem_ctx); + if (ev == NULL) { + fprintf(stderr, "Memory allocation error\n"); + exit(1); + } + + ret = ctdb_client_init(mem_ctx, ev, opts->socket, &client); + if (ret != 0) { + fprintf(stderr, "Failed to initialize client, ret=%d\n", ret); + exit(1); + } + + if (! ctdb_recovery_wait(ev, client)) { + fprintf(stderr, "Memory allocation error\n"); + exit(1); + } + + if (strcmp(opts->dbtype, "persistent") == 0) { + db_flags = CTDB_DB_FLAGS_PERSISTENT; + } else if (strcmp(opts->dbtype, "replicated") == 0) { + db_flags = CTDB_DB_FLAGS_REPLICATED; + } else { + fprintf(stderr, "Database must be persistent or replicated\n"); + exit(1); + } + + ret = ctdb_attach(ev, client, tevent_timeval_zero(), opts->dbname, + db_flags, &ctdb_db); + if (ret != 0) { + fprintf(stderr, "Failed to attach to persistent DB %s\n", + opts->dbname); + exit(1); + } + + req = transaction_loop_send(mem_ctx, ev, client, ctdb_db, + opts->num_nodes, opts->timelimit, + opts->interactive, opts->keystr); + if (req == NULL) { + fprintf(stderr, "Memory allocation error\n"); + exit(1); + } + + tevent_req_poll(req, ev); + + status = transaction_loop_recv(req, &ret); + if (! status) { + fprintf(stderr, "transaction loop test failed, ret=%d\n", ret); + exit(1); + } + + talloc_free(mem_ctx); + return 0; +} |