/*opaque_t*/
int
couchdb_create(void)
{
struct lcb_create_st create_opt;
struct lcb_create_io_ops_st io_opts;
lcb_error_t ret;
io_opts.version = 0;
io_opts.v.v0.type = LCB_IO_OPS_DEFAULT;
io_opts.v.v0.cookie = NULL;
ret = lcb_create_io_ops(&create_opt.v.v0.io, &io_opts);
if (ret != LCB_SUCCESS) {
syslog(LOG_ERR, "%s:Failed to create IO instance: %s\n",
__FUNCTION__, lcb_strerror(NULL, ret));
return -1;
}
memset(&create_opt, 0, sizeof(struct lcb_create_st));
create_opt.v.v0.host = "127.0.0.1:8091";
create_opt.v.v0.user = "******";
create_opt.v.v0.passwd = "123456";
create_opt.v.v0.bucket = "default";
ret = lcb_create(&couchdb_handle, &create_opt);
if (ret != LCB_SUCCESS) {
COUCHDB_LOG("Error creating couchbase DB instance\n");
return (-1);
}
/* Setup the Global variables */
value = (void *) malloc(DATA_SIZE * sizeof(char));
if (NULL == value) {
syslog(LOG_ERR, "%s: Failed to allocate memory for value\n",
__FUNCTION__);
return -ENOMEM;
}
pthread_rwlock_init(&db_rwlock, NULL);
/* Once a valid handle is obtained, set up all the callbacks */
lcb_set_error_callback(couchdb_handle, error_cb);
lcb_set_get_callback(couchdb_handle, get_cb);
lcb_set_store_callback(couchdb_handle, set_cb);
lcb_set_flush_callback(couchdb_handle, flush_cb);
lcb_set_remove_callback(couchdb_handle, remove_cb);
/* Now connect to the cluster having the server node on the "host" ip */
ret = lcb_connect(couchdb_handle);
if (ret != LCB_SUCCESS) {
COUCHDB_LOG("Error connecting to the cluster\n");
return (-1);
}
/* Since the couchbase APIs are all asynchronous calls, we need
to block the thread until the connect succeeds */
lcb_wait(couchdb_handle);
return (0);
}
int main(void)
{
struct lcb_create_st create_options;
lcb_t instance;
lcb_error_t err;
memset(&create_options, 0, sizeof(create_options));
create_options.v.v0.host = "10.128.34.251:8091";
create_options.v.v0.user = "******";
create_options.v.v0.passwd = "jiubugaosuni";
create_options.v.v0.bucket = "beer-sample";
err = lcb_create(&instance, &create_options);
if (err != LCB_SUCCESS) {
fprintf(stderr, "Failed to create libcouchbase instance: %s\n",
lcb_strerror(NULL, err));
return 1;
}
/* Set up the handler to catch all errors! */
lcb_set_error_callback(instance, error_callback);
/*
* * Initiate the connect sequence in libcouchbase
* */
if ((err = lcb_connect(instance)) != LCB_SUCCESS) {
fprintf(stderr, "Failed to initiate connect: %s\n",
lcb_strerror(NULL, err));
return 1;
}
/* Run the event loop and wait until we've connected */
lcb_wait(instance);
/*
* * Set up a callback for our get requests
* */
lcb_set_get_callback(instance, get_callback);
lcb_get_cmd_t cmd;
const lcb_get_cmd_t * const commands[1] = { &cmd };
memset(&cmd, 0, sizeof(cmd));
cmd.v.v0.key = "foo";
cmd.v.v0.nkey = 3;
err = lcb_get(instance, NULL, 1, commands);
if (err != LCB_SUCCESS) {
fprintf(stderr, "Failed to get: %s\n",
lcb_strerror(NULL, err));
return 1;
}
lcb_wait(instance);
lcb_destroy(instance);
exit(EXIT_SUCCESS);
}
static void setup(char **argv, const char *username, const char *password,
const char *bucket)
{
const char *endpoint;
struct lcb_create_st options;
lcb_assert(session == NULL);
lcb_assert(mock == NULL);
lcb_assert(io == NULL);
if (lcb_create_io_ops(&io, NULL) != LCB_SUCCESS) {
fprintf(stderr, "Failed to create IO instance\n");
exit(1);
}
mock = start_test_server(argv);
if (mock == NULL) {
err_exit("Failed to start mock server");
}
endpoint = get_mock_http_server(mock);
memset(&options, 0, sizeof(options));
if (!mock->is_mock) {
username = mock->username;
password = mock->password;
bucket = mock->bucket;
}
options.version = 2;
options.v.v2.host = endpoint;
options.v.v2.user = username;
options.v.v2.passwd = password;
options.v.v2.bucket = bucket;
options.v.v2.io = io;
options.v.v2.transports = enabled_transports;
if (lcb_create(&session, &options) != LCB_SUCCESS) {
err_exit("Failed to create libcouchbase session");
}
(void)lcb_set_error_callback(session, error_callback);
if (lcb_connect(session) != LCB_SUCCESS) {
err_exit("Failed to connect to server");
}
lcb_wait(session);
if (!mock->is_mock) {
const char *const *servers;
total_node_count = 0;
servers = lcb_get_server_list(session);
for (; *servers; servers++, total_node_count++);
}
}
static lcb_error_t test_connect(char **argv, const char *username,
const char *password,
const char *bucket)
{
const char *endpoint;
lcb_error_t rc;
struct lcb_create_st options;
lcb_assert(session == NULL);
lcb_assert(mock == NULL);
lcb_assert(io == NULL);
if (lcb_create_io_ops(&io, NULL) != LCB_SUCCESS) {
fprintf(stderr, "Failed to create IO instance\n");
exit(1);
}
mock = start_test_server(argv);
if (mock == NULL) {
err_exit("Failed to start mock server");
}
endpoint = get_mock_http_server(mock);
memset(&options, 0, sizeof(options));
options.version = 2;
options.v.v2.host = endpoint;
options.v.v2.user = username;
options.v.v2.passwd = password;
options.v.v2.bucket = bucket;
options.v.v2.io = io;
options.v.v2.transports = enabled_transports;
if (lcb_create(&session, &options) != LCB_SUCCESS) {
err_exit("Failed to create libcouchbase session");
}
(void)lcb_set_error_callback(session, error_callback2);
if (lcb_connect(session) != LCB_SUCCESS) {
err_exit("Failed to connect to server");
}
lcb_wait(session);
rc = global_error;
lcb_destroy(session);
lcb_destroy_io_ops(io);
session = NULL;
io = NULL;
shutdown_mock_server(mock);
mock = NULL;
return rc;
}
void pycbc_callbacks_init(lcb_t instance)
{
lcb_set_store_callback(instance, store_callback);
lcb_set_unlock_callback(instance, unlock_callback);
lcb_set_get_callback(instance, get_callback);
lcb_set_touch_callback(instance, touch_callback);
lcb_set_arithmetic_callback(instance, arithmetic_callback);
lcb_set_remove_callback(instance, delete_callback);
lcb_set_stat_callback(instance, stat_callback);
lcb_set_error_callback(instance, error_callback);
lcb_set_http_complete_callback(instance, http_complete_callback);
}
lcb_t AdFeedbackMgr::get_conn_from_pool()
{
lcb_t ret;
{
boost::unique_lock<boost::mutex> dmp_pool_lock_;
if (!dmp_conn_pool_.empty())
{
ret = dmp_conn_pool_.front();
dmp_conn_pool_.pop_front();
return ret;
}
}
lcb_error_t err;
struct lcb_create_st options;
memset(&options, 0, sizeof(options));
options.v.v0.host = dmp_server_ip_.c_str();
options.v.v0.user = "******";
options.v.v0.passwd = "";
options.v.v0.bucket = "user_profile";
err = lcb_create(&ret, &options);
if (err != LCB_SUCCESS)
{
LOG(ERROR) << "failed to create couchbase connection." << lcb_strerror(NULL, err);
return NULL;
}
lcb_set_error_callback(ret, err_callback);
err = lcb_connect(ret);
if (err != LCB_SUCCESS)
{
LOG(ERROR) << "failed to connect to couchbase." << lcb_strerror(NULL, err);
lcb_destroy(ret);
ret = NULL;
return ret;
}
lcb_wait(ret);
// usec for timeout.
lcb_set_timeout(ret, 1000*100);
lcb_set_get_callback(ret, get_callback);
LOG(INFO) << "a new connection to DMP established";
return ret;
}
static ngx_int_t
ngx_lcb_init_process(ngx_cycle_t *cycle)
{
ngx_lcb_main_conf_t *cmcf;
struct lcb_create_io_ops_st options;
lcb_error_t err;
ngx_int_t rc;
ngx_uint_t i;
ngx_lcb_connection_t *conn;
ngx_lcb_loc_conf_t **ccfp;
/* initialize libcouchbase IO plugin */
memset(&options, 0, sizeof(options));
options.version = 2;
options.v.v2.create = ngx_lcb_create_io_opts;
options.v.v2.cookie = &lcb_cookie;
err = lcb_create_io_ops(&lcb_cookie.io, &options);
if (err != LCB_SUCCESS) {
ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
"couchbase: failed to create IO object for libcouchbase: 0x%02xd \"%s\"",
err, lcb_strerror(NULL, err));
return NGX_ERROR;
}
lcb_cookie.log = cycle->log;
lcb_cookie.pool = cycle->pool;
/* materialize upstream connections */
rc = ngx_array_init(&lcb_connections, cycle->pool, 4, sizeof(ngx_lcb_connection_t));
if (rc != NGX_OK) {
return NGX_ERROR;
}
cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_couchbase_module);
ccfp = cmcf->connection_confs.elts;
for (i = 0; i < cmcf->connection_confs.nelts; i++) {
struct lcb_create_st opts = ccfp[i]->options;
conn = ngx_array_push(&lcb_connections);
if (conn == NULL) {
return NGX_ERROR;
}
conn->log = cycle->log;
conn->name = ccfp[i]->name;
rc = ngx_array_init(&conn->backlog, cycle->pool, 4, sizeof(ngx_http_request_t *));
if (rc != NGX_OK) {
return NGX_ERROR;
}
opts.v.v0.io = lcb_cookie.io;
err = lcb_create(&conn->lcb, &opts);
if (err != LCB_SUCCESS) {
ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
"couchbase: failed to create libcouchbase instance: 0x%02xd \"%s\"",
err, lcb_strerror(NULL, err));
return NGX_ERROR;
}
(void)lcb_set_error_callback(conn->lcb, ngx_lcb_error_callback);
(void)lcb_set_timeout(conn->lcb, ccfp[i]->connect_timeout * 1000); /* in usec */
(void)lcb_set_get_callback(conn->lcb, ngx_lcb_get_callback);
(void)lcb_set_store_callback(conn->lcb, ngx_lcb_store_callback);
(void)lcb_set_remove_callback(conn->lcb, ngx_lcb_remove_callback);
(void)lcb_set_configuration_callback(conn->lcb, ngx_lcb_configuration_callback);
(void)lcb_set_cookie(conn->lcb, conn);
ngx_log_debug7(NGX_LOG_DEBUG_HTTP, cycle->log, 0,
"couchbase(%p): configured connection \"%V\": connect_timeout:%Mms "
"address:%s bucket:%s user:%s password:%s",
conn->lcb, &conn->name, ccfp[i]->connect_timeout,
opts.v.v0.host ? opts.v.v0.host : "(null)",
opts.v.v0.bucket ? opts.v.v0.bucket : "(null)",
opts.v.v0.user ? opts.v.v0.user : "******",
opts.v.v0.passwd ? opts.v.v0.passwd : "(null)");
}
return NGX_OK;
}
int main(int argc, char *argv[])
{
char *method = NULL;
char *key = NULL;
lcb_error_t err;
lcb_t instance;
struct lcb_create_st create_options;
struct lcb_create_io_ops_st io_opts;
io_opts.version = 0;
io_opts.v.v0.type = LCB_IO_OPS_DEFAULT;
io_opts.v.v0.cookie = NULL;
memset(&create_options, 0, sizeof(create_options));
err = lcb_create_io_ops(&create_options.v.v0.io, &io_opts);
if (err != LCB_SUCCESS) {
fprintf(stderr, "Failed to create IO instance: %s\n",
lcb_strerror(NULL, err));
return 1;
}
if (argc > 1) {
create_options.v.v0.host = argv[1];
}
if (argc > 2) {
create_options.v.v0.user = argv[2];
create_options.v.v0.bucket = argv[2];
}
if (argc > 3) {
create_options.v.v0.passwd = argv[3];
}
if (argc > 4) {
method = argv[4];
}
if (argc > 5) {
key = argv[5];
}
int count = 1;
if (argc > 6) {
count = atoi(argv[6]);
}
err = lcb_create(&instance, &create_options);
if (err != LCB_SUCCESS) {
fprintf(stderr, "Failed to create libcouchbase instance: %s\n",
lcb_strerror(NULL, err));
return 1;
}
(void)lcb_set_error_callback(instance, error_callback);
/* Initiate the connect sequence in libcouchbase */
if ((err = lcb_connect(instance)) != LCB_SUCCESS) {
fprintf(stderr, "Failed to initiate connect: %s\n",
lcb_strerror(NULL, err));
lcb_destroy(instance);
return 1;
}
(void)lcb_set_get_callback(instance, get_callback);
(void)lcb_set_store_callback(instance, store_callback);
/* Run the event loop and wait until we've connected */
lcb_wait(instance);
if (method == NULL || strcmp(method, "set") == 0)
{
err = form_command(err, instance, key, count);
if (err != LCB_SUCCESS) {
fprintf(stderr, "Failed to store: %s\n", lcb_strerror(NULL, err));
return 1;
}
form_command(err, instance, "fra", 1);
}
lcb_wait(instance);
lcb_wait(instance);
if (method == NULL || strcmp(method, "fset") == 0)
{
err = form_command_fset(err, instance, "fra");
if (err != LCB_SUCCESS) {
fprintf(stderr, "Failed to fragment store: %s\n", lcb_strerror(NULL, err));
return 1;
}
}
if (method == NULL || strcmp(method, "get") == 0)
{
err = form_command_get(count, err, instance, key);
if (err != LCB_SUCCESS) {
fprintf(stderr, "Failed to get: %s\n", lcb_strerror(NULL, err));
return 1;
}
}
lcb_wait(instance);
lcb_destroy(instance);
return 0;
}
couchbase_con* couchbase_new_connection(struct cachedb_id* id)
{
couchbase_con *con;
struct lcb_create_st options;
lcb_t instance;
lcb_error_t rc;
last_error = LCB_SUCCESS;
if (id == NULL) {
LM_ERR("null cachedb_id\n");
return 0;
}
con = pkg_malloc(sizeof(couchbase_con));
if (con == NULL) {
LM_ERR("no more pkg \n");
return 0;
}
memset(con,0,sizeof(couchbase_con));
con->id = id;
con->ref = 1;
/* TODO - support custom ports - couchbase expects host:port in id->host */
memset(&options,0,sizeof(struct lcb_create_st));
options.version = 0;
options.v.v0.host = id->host;
options.v.v0.user = id->username;
options.v.v0.passwd = id->password;
options.v.v0.bucket = id->database;
rc=lcb_create(&instance, &options);
if (rc!=LCB_SUCCESS) {
LM_ERR("Failed to create libcouchbase instance: 0x%02x, %s\n",
rc, lcb_strerror(NULL, rc));
return 0;
}
(void)lcb_set_error_callback(instance,
couchbase_error_cb);
(void)lcb_set_get_callback(instance,
couchbase_get_cb);
(void)lcb_set_store_callback(instance,
couchbase_store_cb);
(void)lcb_set_remove_callback(instance,
couchbase_remove_cb);
(void)lcb_set_arithmetic_callback(instance,couchbase_arithmetic_cb);
(void)lcb_set_timeout(instance,couch_timeout_usec);
rc=lcb_connect(instance);
if (rc != LCB_SUCCESS) {
LM_ERR("Failed to connect to the Couchbase. Host: %s Bucket: %s Error: %s\n",
id->host, id->database, lcb_strerror(instance, rc));
lcb_destroy(instance);
return 0;
}
/* Wait for the connect to complete */
lcb_wait(instance);
/*Check connection*/
if (last_error != LCB_SUCCESS) {
/*Consider these connect failurs as fatal*/
if(last_error == LCB_AUTH_ERROR || last_error == LCB_INVALID_HOST_FORMAT || last_error == LCB_INVALID_CHAR) {
LM_ERR("Fatal connection error to Couchbase. Host: %s Bucket: %s Error: %s",
id->host, id->database, lcb_strerror(instance, last_error));
lcb_destroy(instance);
return 0;
} else {
/* Non-fatal errors, we may be able to connect later */
LM_ERR("Non-Fatal connection error to Couchbase. Host: %s Bucket: %s Error: %s",
id->host, id->database, lcb_strerror(instance, last_error));
}
} else {
LM_DBG("Succesfully connected to Couchbase Server. Host: %s Bucket: %s\n", id->host, id->database);
}
con->couchcon = instance;
return con;
}
/**
* Program entry point.
*
* "monitor" a directory and upload all of the JSON files in that
* directory to a couchbase server.
*
* @param argc argument count
* @param argv argument vector
*/
int main(int argc, char **argv)
{
const char *spool = default_spool;
const char *host = NULL;
const char *user = NULL;
const char *passwd = NULL;
const char *bucket = NULL;
int sleep_time = 5;
lcb_error_t ret;
int cmd;
struct option opts[7];
struct lcb_create_st create_options;
memset(opts, 0, sizeof(opts));
setup_options(opts);
/* Parse command line arguments */
while ((cmd = getopt_long(argc, argv,
"s:" /* spool directory */
"h:" /* host */
"u:" /* user */
"p:" /* password */
"b:" /* bucket */
"t:", /* Sleep time */
opts, NULL)) != -1) {
switch (cmd) {
case 's' :
spool = optarg;
break;
case 'h' :
host = optarg;
break;
case 'u' :
user = optarg;
break;
case 'p' :
passwd = optarg;
break;
case 'b' :
bucket = optarg;
break;
case 't' :
sleep_time = atoi(optarg);
break;
default:
fprintf(stderr, "Usage: vacuum [options]\n"
"\t-h host\tHostname to connect to (default: localhost:8091)\n"
"\t-u user\tUsername to log in with (default: none)\n"
"\t-p passwd\tPassword to log in with (default: none)\n"
"\t-b name\tName of bucket to connect to (default: default)\n"
"\t-v\tEnable verbosity\n"
"\t-t sec\tNumber of seconds between each scan (default: 5)\n"
"\t-s dir\tLocation of spool directory (default: %s)\n",
default_spool);
exit(EXIT_FAILURE);
}
}
/* Change working directory to the spool directory */
if (chdir(spool) != 0) {
fprintf(stderr, "Failed to enter directory %s: %s\n", spool,
strerror(errno));
exit(EXIT_FAILURE);
}
memset(&create_options, 0, sizeof(create_options));
create_options.v.v0.host = host;
create_options.v.v0.user = user;
create_options.v.v0.passwd = passwd;
create_options.v.v0.bucket = bucket;
/* Create the instance to lcb */
ret = lcb_create(&instance, &create_options);
if (ret != LCB_SUCCESS) {
fprintf(stderr, "Failed to create couchbase instance\n");
exit(EXIT_FAILURE);
}
/* Set up the callbacks we want */
(void)lcb_set_store_callback(instance, store_callback);
(void)lcb_set_error_callback(instance, error_callback);
/* Tell libcouchback to connect to the server */
ret = lcb_connect(instance);
if (ret != LCB_SUCCESS) {
fprintf(stderr, "Failed to connect: %s\n",
lcb_strerror(instance, ret));
exit(EXIT_FAILURE);
}
/* Wait for the server to complete */
lcb_wait(instance);
if ((ret = lcb_enable_timings(instance) != LCB_SUCCESS)) {
fprintf(stderr, "Failed to enable timings: %s\n",
lcb_strerror(instance, ret));
}
/* Loop forever and process the spool directory */
while (1) {
int ii;
int nsec = sleep_time;
process_directory();
do {
fprintf(stdout, "\rsleeping %d secs before retry..", nsec);
fflush(stdout);
sleep(1);
--nsec;
} while (nsec > 0);
fprintf(stdout, "\r");
for (ii = 0; ii < 70; ++ii) {
fprintf(stdout, " ");
}
fprintf(stdout, "\r");
fflush(stdout);
}
return 0;
}
ERL_NIF_TERM cb_connect(ErlNifEnv* env, handle_t* handle, void* obj)
{
connect_args_t* args = (connect_args_t*)obj;
lcb_error_t err;
struct lcb_create_st create_options;
struct lcb_create_io_ops_st io_opts;
io_opts.version = 0;
io_opts.v.v0.type = LCB_IO_OPS_DEFAULT;
io_opts.v.v0.cookie = NULL;
memset(&create_options, 0, sizeof(create_options));
err = lcb_create_io_ops(&create_options.v.v0.io, &io_opts);
if (err != LCB_SUCCESS) {
printf("failed create io ops\n");
fprintf(stderr, "Failed to create IO instance: %s\n",
lcb_strerror(NULL, err));
return return_lcb_error(env, err);
}
create_options.v.v0.host = args->host;
create_options.v.v0.user = args->user;
create_options.v.v0.bucket = args->bucket;
create_options.v.v0.passwd = args->pass;
err = lcb_create(&(handle->instance), &create_options);
free(args->host);
free(args->user);
free(args->pass);
free(args->bucket);
if (err != LCB_SUCCESS) {
return enif_make_tuple2(env, enif_make_atom(env, "error"),
enif_make_string(env, lcb_strerror(NULL, err), ERL_NIF_LATIN1));
}
(void)lcb_set_error_callback(handle->instance, error_callback);
(void)lcb_set_get_callback(handle->instance, get_callback);
(void)lcb_set_store_callback(handle->instance, store_callback);
(void)lcb_set_unlock_callback(handle->instance, unlock_callback);
(void)lcb_set_touch_callback(handle->instance, touch_callback);
(void)lcb_set_arithmetic_callback(handle->instance, arithmetic_callback);
(void)lcb_set_remove_callback(handle->instance, remove_callback);
(void)lcb_set_http_complete_callback(handle->instance, http_callback);
err = lcb_connect(handle->instance);
if (err != LCB_SUCCESS) {
return return_lcb_error(env, err);
}
err = lcb_wait(handle->instance);
if(err != LCB_SUCCESS) {
return return_lcb_error(env, err);
}
return enif_make_atom(env, "ok");
}
int main(int argc, char *argv[])
{
lcb_error_t err;
lcb_t instance;
struct lcb_create_st create_options;
struct lcb_create_io_ops_st io_opts;
io_opts.version = 0;
io_opts.v.v0.type = LCB_IO_OPS_DEFAULT;
io_opts.v.v0.cookie = NULL;
memset(&create_options, 0, sizeof(create_options));
err = lcb_create_io_ops(&create_options.v.v0.io, &io_opts);
if (err != LCB_SUCCESS) {
fprintf(stderr, "Failed to create IO instance: %s\n",
lcb_strerror(NULL, err));
return 1;
}
if (argc > 1) {
create_options.v.v0.host = argv[1];
}
if (argc > 2) {
create_options.v.v0.user = argv[2];
create_options.v.v0.bucket = argv[2];
}
if (argc > 3) {
create_options.v.v0.passwd = argv[3];
}
err = lcb_create(&instance, &create_options);
if (err != LCB_SUCCESS) {
fprintf(stderr, "Failed to create libcouchbase instance: %s\n",
lcb_strerror(NULL, err));
return 1;
}
(void)lcb_set_error_callback(instance, error_callback);
/* Initiate the connect sequence in libcouchbase */
if ((err = lcb_connect(instance)) != LCB_SUCCESS) {
fprintf(stderr, "Failed to initiate connect: %s\n",
lcb_strerror(NULL, err));
lcb_destroy(instance);
return 1;
}
(void)lcb_set_get_callback(instance, get_callback);
(void)lcb_set_store_callback(instance, store_callback);
/* Run the event loop and wait until we've connected */
lcb_wait(instance);
{
lcb_store_cmd_t cmd;
const lcb_store_cmd_t *commands[1];
commands[0] = &cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.v.v0.operation = LCB_SET;
cmd.v.v0.key = "foo";
cmd.v.v0.nkey = 3;
cmd.v.v0.bytes = "bar";
cmd.v.v0.nbytes = 3;
err = lcb_store(instance, NULL, 1, commands);
if (err != LCB_SUCCESS) {
fprintf(stderr, "Failed to store: %s\n", lcb_strerror(NULL, err));
return 1;
}
}
lcb_wait(instance);
{
lcb_get_cmd_t cmd;
const lcb_get_cmd_t *commands[1];
commands[0] = &cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.v.v0.key = "foo";
cmd.v.v0.nkey = 3;
err = lcb_get(instance, NULL, 1, commands);
if (err != LCB_SUCCESS) {
fprintf(stderr, "Failed to get: %s\n", lcb_strerror(NULL, err));
return 1;
}
}
lcb_wait(instance);
lcb_destroy(instance);
return 0;
}