diff options
Diffstat (limited to 'source4/cluster/ctdb/tests/ctdb_test.c')
| -rw-r--r-- | source4/cluster/ctdb/tests/ctdb_test.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/source4/cluster/ctdb/tests/ctdb_test.c b/source4/cluster/ctdb/tests/ctdb_test.c new file mode 100644 index 0000000000..5bc35ad332 --- /dev/null +++ b/source4/cluster/ctdb/tests/ctdb_test.c @@ -0,0 +1,207 @@ +/* + ctdb test harness + + Copyright (C) Andrew Tridgell 2006 + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include "includes.h" +#include "lib/events/events.h" +#include "system/filesys.h" +#include "popt.h" + +enum my_functions {FUNC_SORT=1, FUNC_FETCH=2}; + +static int int_compare(int *i1, int *i2) +{ + return *i1 - *i2; +} + +/* + add an integer into a record in sorted order +*/ +static int sort_func(struct ctdb_call *call) +{ + if (call->call_data == NULL || + call->call_data->dsize != sizeof(int)) { + return CTDB_ERR_INVALID; + } + call->new_data = talloc(call, TDB_DATA); + if (call->new_data == NULL) { + return CTDB_ERR_NOMEM; + } + call->new_data->dptr = talloc_size(call, + call->record_data.dsize + + call->call_data->dsize); + if (call->new_data->dptr == NULL) { + return CTDB_ERR_NOMEM; + } + call->new_data->dsize = call->record_data.dsize + call->call_data->dsize; + memcpy(call->new_data->dptr, + call->record_data.dptr, call->record_data.dsize); + memcpy(call->new_data->dptr+call->record_data.dsize, + call->call_data->dptr, call->call_data->dsize); + + qsort(call->new_data->dptr, call->new_data->dsize / sizeof(int), + sizeof(int), (comparison_fn_t)int_compare); + + return 0; +} + +/* + ctdb call function to fetch a record +*/ +static int fetch_func(struct ctdb_call *call) +{ + call->reply_data = &call->record_data; + return 0; +} + +/* + main program +*/ +int main(int argc, const char *argv[]) +{ + struct ctdb_context *ctdb; + const char *nlist = NULL; + const char *transport = "tcp"; + const char *myaddress = NULL; + int self_connect=0; + + struct poptOption popt_options[] = { + POPT_AUTOHELP + { "nlist", 0, POPT_ARG_STRING, &nlist, 0, "node list file", "filename" }, + { "listen", 0, POPT_ARG_STRING, &myaddress, 0, "address to listen on", "address" }, + { "transport", 0, POPT_ARG_STRING, &transport, 0, "protocol transport", NULL }, + { "self-connect", 0, POPT_ARG_NONE, &self_connect, 0, "enable self connect", "boolean" }, + POPT_TABLEEND + }; + int opt; + const char **extra_argv; + int extra_argc = 0; + int i, ret; + TDB_DATA key, data; + poptContext pc; + struct event_context *ev; + + pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST); + + while ((opt = poptGetNextOpt(pc)) != -1) { + switch (opt) { + default: + fprintf(stderr, "Invalid option %s: %s\n", + poptBadOption(pc, 0), poptStrerror(opt)); + exit(1); + } + } + + /* setup the remaining options for the main program to use */ + extra_argv = poptGetArgs(pc); + if (extra_argv) { + extra_argv++; + while (extra_argv[extra_argc]) extra_argc++; + } + + if (nlist == NULL || myaddress == NULL) { + printf("You must provide a node list with --nlist and an address with --listen\n"); + exit(1); + } + + ev = event_context_init(NULL); + + /* initialise ctdb */ + ctdb = ctdb_init(ev); + if (ctdb == NULL) { + printf("Failed to init ctdb\n"); + exit(1); + } + + if (self_connect) { + ctdb_set_flags(ctdb, CTDB_FLAG_SELF_CONNECT); + } + + ret = ctdb_set_transport(ctdb, transport); + if (ret == -1) { + printf("ctdb_set_transport failed - %s\n", ctdb_errstr(ctdb)); + exit(1); + } + + /* tell ctdb what address to listen on */ + ret = ctdb_set_address(ctdb, myaddress); + if (ret == -1) { + printf("ctdb_set_address failed - %s\n", ctdb_errstr(ctdb)); + exit(1); + } + + /* tell ctdb what nodes are available */ + ret = ctdb_set_nlist(ctdb, nlist); + if (ret == -1) { + printf("ctdb_set_nlist failed - %s\n", ctdb_errstr(ctdb)); + exit(1); + } + + /* setup a ctdb call function */ + ret = ctdb_set_call(ctdb, sort_func, FUNC_SORT); + ret = ctdb_set_call(ctdb, fetch_func, FUNC_FETCH); + + /* attach to a specific database */ + ret = ctdb_attach(ctdb, "test.tdb", TDB_DEFAULT, O_RDWR|O_CREAT|O_TRUNC, 0666); + if (ret == -1) { + printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb)); + exit(1); + } + + /* start the protocol running */ + ret = ctdb_start(ctdb); + + /* wait until all nodes are connected (should not be needed + outide of test code) */ + ctdb_connect_wait(ctdb); + + key.dptr = "test"; + key.dsize = strlen("test")+1; + + /* add some random data */ + for (i=0;i<10;i++) { + int v = random() % 1000; + data.dptr = (uint8_t *)&v; + data.dsize = sizeof(v); + ret = ctdb_call(ctdb, key, FUNC_SORT, &data, NULL); + if (ret == -1) { + printf("ctdb_call FUNC_SORT failed - %s\n", ctdb_errstr(ctdb)); + exit(1); + } + } + + /* fetch the record */ + ret = ctdb_call(ctdb, key, FUNC_FETCH, NULL, &data); + if (ret == -1) { + printf("ctdb_call FUNC_FETCH failed - %s\n", ctdb_errstr(ctdb)); + exit(1); + } + + for (i=0;i<data.dsize/sizeof(int);i++) { + printf("%3d\n", ((int *)data.dptr)[i]); + } + talloc_free(data.dptr); + + /* go into a wait loop to allow other nodes to complete */ + ctdb_wait_loop(ctdb); + + /* shut it down */ + talloc_free(ctdb); + return 0; +} |