/** Update the configuration from a server. */
lcb_error_t lcb_cccp_update(clconfig_provider *provider,
const char *host,
lcb_string *data)
{
VBUCKET_CONFIG_HANDLE vbc;
clconfig_info *new_config;
cccp_provider *cccp = (cccp_provider *)provider;
vbc = vbucket_config_create();
if (!vbc) {
return LCB_CLIENT_ENOMEM;
}
if (vbucket_config_parse2(vbc, LIBVBUCKET_SOURCE_MEMORY, data->base, host)) {
vbucket_config_destroy(vbc);
return LCB_PROTOCOL_ERROR;
}
new_config = lcb_clconfig_create(vbc, data, LCB_CLCONFIG_CCCP);
if (!new_config) {
vbucket_config_destroy(vbc);
return LCB_CLIENT_ENOMEM;
}
if (cccp->config) {
lcb_clconfig_decref(cccp->config);
}
/** TODO: Figure out the comparison vector */
new_config->cmpclock = gethrtime();
cccp->config = new_config;
lcb_confmon_set_next(provider->parent, new_config, 0);
return LCB_SUCCESS;
}
static VBUCKET_CONFIG_HANDLE parse_cjson(cJSON *config)
{
cJSON *json;
struct vbucket_config_st *vb;
vb = calloc(1, sizeof(struct vbucket_config_st));
if (vb == NULL) {
errstr = "Failed to allocate vbucket config struct";
return NULL;
}
/* set optional credentials */
json = cJSON_GetObjectItem(config, "name");
if (json != NULL && json->type == cJSON_String && strcmp(json->valuestring, "default") != 0) {
vb->user = strdup(json->valuestring);
}
json = cJSON_GetObjectItem(config, "saslPassword");
if (json != NULL && json->type == cJSON_String) {
vb->password = strdup(json->valuestring);
}
/* by default it uses vbucket distribution to map keys to servers */
vb->distribution = VBUCKET_DISTRIBUTION_VBUCKET;
json = cJSON_GetObjectItem(config, "nodeLocator");
if (json == NULL) {
/* special case: it migth be config without envelope */
if (parse_vbucket_config(vb, config) == NULL) {
vbucket_config_destroy(vb);
return NULL;
}
} else if (json->type == cJSON_String) {
if (strcmp(json->valuestring, "vbucket") == 0) {
vb->distribution = VBUCKET_DISTRIBUTION_VBUCKET;
if (parse_vbucket_config(vb, config) == NULL) {
vbucket_config_destroy(vb);
return NULL;
}
} else if (strcmp(json->valuestring, "ketama") == 0) {
vb->distribution = VBUCKET_DISTRIBUTION_KETAMA;
if (parse_ketama_config(vb, config) == NULL) {
vbucket_config_destroy(vb);
return NULL;
}
}
} else {
errstr = "Expected string for nodeLocator";
vbucket_config_destroy(vb);
return NULL;
}
return vb;
}
/* Returns true if curr_version could be updated with next_version in
* a low-impact stable manner (server-list is the same), allowing the
* same connections to be reused. Or returns false if the delta was
* too large for an in-place updating of curr_version with information
* from next_version.
*
* The next_version may be destroyed in this call, and the caller
* should afterwards only call mcs_free() on the next_version.
*/
bool lvb_stable_update(mcs_st *curr_version, mcs_st *next_version) {
assert(curr_version->kind == MCS_KIND_LIBVBUCKET);
assert(curr_version->data != NULL);
assert(next_version->kind == MCS_KIND_LIBVBUCKET);
assert(next_version->data != NULL);
bool rv = false;
VBUCKET_CONFIG_DIFF *diff =
vbucket_compare((VBUCKET_CONFIG_HANDLE) curr_version->data,
(VBUCKET_CONFIG_HANDLE) next_version->data);
if (diff != NULL) {
if (!diff->sequence_changed) {
vbucket_config_destroy((VBUCKET_CONFIG_HANDLE) curr_version->data);
curr_version->data = next_version->data;
next_version->data = 0;
rv = true;
}
vbucket_free_diff(diff);
}
return rv;
}
static void testConfigDiff(void) {
VBUCKET_CONFIG_HANDLE vb1 = vbucket_config_parse_file(configPath("config-diff1"));
VBUCKET_CONFIG_HANDLE vb2 = vbucket_config_parse_file(configPath("config-diff2"));
VBUCKET_CONFIG_DIFF *diff;
assert(vb2);
diff = vbucket_compare(vb1, vb2);
assert(vb1);
assert(diff);
assert(diff->sequence_changed);
assert(diff->n_vb_changes == 1);
assert(strcmp(diff->servers_added[0], "server4:11211") == 0);
assert(diff->servers_added[1] == NULL);
assert(strcmp(diff->servers_removed[0], "server3:11211") == 0);
assert(diff->servers_removed[1] == NULL);
vbucket_free_diff(diff);
vbucket_config_destroy(vb2);
vb2 = vbucket_config_parse_file(configPath("config-diff3"));
assert(vb2);
diff = vbucket_compare(vb1, vb2);
assert(diff);
assert(diff->sequence_changed);
assert(diff->n_vb_changes == -1);
assert(diff->servers_added[0] == NULL);
assert(strcmp(diff->servers_removed[0], "server3:11211") == 0);
assert(diff->servers_removed[1] == NULL);
}
static void testWrongNumVbuckets(const char *fname) {
VBUCKET_CONFIG_HANDLE vb = vbucket_config_create();
assert(vb != NULL);
assert(vbucket_config_parse(vb, LIBVBUCKET_SOURCE_FILE, configPath(fname)) != 0);
assert(strcmp(vbucket_get_error_message(vb), "Number of vBuckets must be a power of two > 0 and <= 65536") == 0);
vbucket_config_destroy(vb);
}
static void testWrongServer(const char *fname) {
VBUCKET_CONFIG_HANDLE vb = vbucket_config_parse_file(configPath(fname));
if (vb == NULL) {
fprintf(stderr, "vbucket_config_parse_file error: %s\n",
vbucket_get_error());
abort();
}
/* Starts at 0 */
assert(vbucket_get_master(vb, 0) == 0);
/* Does not change when I told it I found the wrong thing */
assert(vbucket_found_incorrect_master(vb, 0, 1) == 0);
assert(vbucket_get_master(vb, 0) == 0);
/* Does change if I tell it I got the right thing and it was wrong. */
assert(vbucket_found_incorrect_master(vb, 0, 0) == 1);
assert(vbucket_get_master(vb, 0) == 1);
/* ...and again */
assert(vbucket_found_incorrect_master(vb, 0, 1) == 2);
assert(vbucket_get_master(vb, 0) == 2);
/* ...and then wraps */
assert(vbucket_found_incorrect_master(vb, 0, 2) == 0);
assert(vbucket_get_master(vb, 0) == 0);
vbucket_config_destroy(vb);
}
static void config_callback(lcb_server_t *server, lcb_error_t error, const char *json)
{
VBUCKET_CONFIG_HANDLE config;
lcb_t instance = server->instance;
server->connection.timeout.usec = 0;
lcb_connection_cancel_timer(&server->connection);
if (error != LCB_SUCCESS) {
lcb_error_handler(instance, error, "Failed to receive configration");
return;
}
config = vbucket_config_create();
if (config == NULL) {
lcb_error_handler(instance, LCB_CLIENT_ENOMEM,
"Failed to allocate memory for configuration");
return;
}
if (vbucket_config_parse2(config, LIBVBUCKET_SOURCE_MEMORY, json, server->connection.host)) {
vbucket_config_destroy(config);
lcb_error_handler(instance, LCB_PROTOCOL_ERROR,
vbucket_get_error_message(config));
return;
}
lcb_update_vbconfig(instance, config);
}
LIBCOUCHBASE_API
libcouchbase_error_t libcouchbase_create_compat(libcouchbase_cluster_t type,
const void *specific,
libcouchbase_t *instance,
struct libcouchbase_io_opt_st *io)
{
libcouchbase_error_t ret = LIBCOUCHBASE_NOT_SUPPORTED;
VBUCKET_CONFIG_HANDLE config;
*instance = libcouchbase_create(NULL, NULL, NULL, NULL, io);
if (*instance == NULL) {
return LIBCOUCHBASE_CLIENT_ENOMEM;
}
config = vbucket_config_create();
if (config == NULL) {
libcouchbase_destroy(*instance);
*instance = NULL;
return LIBCOUCHBASE_CLIENT_ENOMEM;
}
if (type == LIBCOUCHBASE_MEMCACHED_CLUSTER) {
ret = create_memcached(specific, config);
}
if (ret == LIBCOUCHBASE_SUCCESS) {
libcouchbase_apply_vbucket_config(*instance, config);
} else {
vbucket_config_destroy(config);
libcouchbase_destroy(*instance);
*instance = NULL;
}
return ret;
}
static int populate_servers(struct vbucket_config_st *vb, cJSON *c) {
int i;
vb->servers = calloc(vb->num_servers, sizeof(struct server_st));
if (vb->servers == NULL) {
vbucket_config_destroy(vb);
errstr = "Failed to allocate servers array";
return -1;
}
for (i = 0; i < vb->num_servers; ++i) {
char *server;
cJSON *jServer = cJSON_GetArrayItem(c, i);
if (jServer == NULL || jServer->type != cJSON_String) {
errstr = "Expected array of strings for serverList";
return -1;
}
server = strdup(jServer->valuestring);
if (server == NULL) {
errstr = "Failed to allocate storage for server string";
return -1;
}
vb->servers[i].authority = server;
}
return 0;
}
static void testConfigDiffKetamaSame(void) {
VBUCKET_CONFIG_HANDLE vb1 = vbucket_config_parse_file(configPath("ketama-eight-nodes"));
VBUCKET_CONFIG_HANDLE vb2 = vbucket_config_parse_file(configPath("ketama-ordered-eight-nodes"));
VBUCKET_CONFIG_DIFF *diff;
assert(vb1);
assert(vb2);
diff = vbucket_compare(vb1, vb2);
assert(diff);
assert(diff->sequence_changed == 0);
assert(diff->n_vb_changes == 0);
assert(diff->servers_added[0] == NULL);
assert(diff->servers_removed[0] == NULL);
vbucket_free_diff(diff);
vbucket_config_destroy(vb1);
vbucket_config_destroy(vb2);
}
void lvb_free_data(mcs_st *ptr) {
assert(ptr->kind == MCS_KIND_LIBVBUCKET);
if (ptr->data != NULL) {
vbucket_config_destroy((VBUCKET_CONFIG_HANDLE) ptr->data);
}
ptr->data = NULL;
}
/** Update the configuration from a server. */
lcb_error_t lcb_cccp_update(clconfig_provider *provider,
const char *host,
lcb_string *data)
{
VBUCKET_CONFIG_HANDLE vbc;
lcb_string sanitized;
int rv;
clconfig_info *new_config;
cccp_provider *cccp = (cccp_provider *)provider;
vbc = vbucket_config_create();
if (!vbc) {
return LCB_CLIENT_ENOMEM;
}
lcb_string_init(&sanitized);
sanitize_config(data, host, &sanitized);
rv = vbucket_config_parse(vbc, LIBVBUCKET_SOURCE_MEMORY, sanitized.base);
if (rv) {
lcb_string_release(&sanitized);
vbucket_config_destroy(vbc);
lcb_string_release(&sanitized);
return LCB_PROTOCOL_ERROR;
}
new_config = lcb_clconfig_create(vbc, &sanitized, LCB_CLCONFIG_CCCP);
lcb_string_release(&sanitized);
if (!new_config) {
vbucket_config_destroy(vbc);
return LCB_CLIENT_ENOMEM;
}
if (cccp->config) {
lcb_clconfig_decref(cccp->config);
}
/** TODO: Figure out the comparison vector */
new_config->cmpclock = gethrtime();
cccp->config = new_config;
lcb_confmon_provider_success(provider, new_config);
return LCB_SUCCESS;
}
int main(void) {
char *root = getenv("srcdir");
DIR *dp;
const char *host;
char buffer[PATH_MAX];
char key[NKEY];
int idx, i, len;
struct dirent *de;
VBUCKET_CONFIG_HANDLE vb;
unsigned char checksum[16];
unsigned char expected[16];
void *ctx;
if (root != NULL) {
sprintf(buffer, "%s/tests/config", root);
dp = opendir(buffer);
if (dp == NULL) {
fprintf(stderr, "Skipping ketama check\nFailed to open %s: %s\n",
buffer, strerror(errno));
return 0;
}
while ((de = readdir(dp)) != NULL) {
if (strncmp(de->d_name, "ketama", 6) == 0 && strchr(de->d_name, '.') == NULL) {
sprintf(buffer, "%s/tests/config/%s", root, de->d_name);
fprintf(stderr, "Running ketama test for: %s\n", de->d_name);
vb = vbucket_config_parse_file(buffer);
assert(vb != NULL);
/* check if it conforms to libketama results */
sprintf(buffer, "%s/tests/config/%s.md5sum", root, de->d_name);
read_checksum(buffer, expected);
memset(checksum, 0, 16);
ctx = NULL;
for (i = 0; i < 1000000; i++) {
len = sprintf(key, "%d", i);
vbucket_map(vb, key, len, NULL, &idx);
host = vbucket_config_get_server(vb, idx);
ctx = hash_md5_update(ctx, host, strlen(host));
}
hash_md5_final(ctx, checksum);
for (i = 0; i < 16; i++) {
assert(checksum[i] == expected[i]);
}
vbucket_config_destroy(vb);
}
}
closedir(dp);
}
return 0;
}
static lcb_error_t set_next_config(struct htvb_st *vbs)
{
VBUCKET_CONFIG_HANDLE new_config = NULL;
new_config = vbucket_config_create();
if (!new_config) {
return LCB_CLIENT_ENOMEM;
}
if (vbucket_config_parse(new_config, LIBVBUCKET_SOURCE_MEMORY, vbs->input.base)) {
vbucket_config_destroy(new_config);
return LCB_PROTOCOL_ERROR;
}
if (vbs->config) {
/** We have a previous configuration... */
VBUCKET_CHANGE_STATUS chstatus = VBUCKET_NO_CHANGES;
VBUCKET_CONFIG_DIFF *diff = NULL;
VBUCKET_CONFIG_HANDLE old_config = vbs->config->vbc;
diff = vbucket_compare(old_config, new_config);
if (diff) {
chstatus = vbucket_what_changed(diff);
vbucket_free_diff(diff);
}
if (chstatus == VBUCKET_NO_CHANGES) {
vbs->config->cmpclock = gethrtime();
vbucket_config_destroy(new_config);
return LCB_SUCCESS;
}
}
if (vbs->config) {
lcb_clconfig_decref(vbs->config);
}
vbs->config = lcb_clconfig_create(new_config, &vbs->input, LCB_CLCONFIG_HTTP);
vbs->config->cmpclock = gethrtime();
vbs->generation++;
return LCB_SUCCESS;
}
static void testConfigUserPassword(void) {
VBUCKET_CONFIG_HANDLE vb1;
VBUCKET_CONFIG_HANDLE vb2;
VBUCKET_CONFIG_DIFF *diff;
vb1 = vbucket_config_parse_file(configPath("config-user-password1"));
assert(vb1);
assert(strcmp(vbucket_config_get_user(vb1), "theUser") == 0);
assert(strcmp(vbucket_config_get_password(vb1), "thePassword") == 0);
vb2 = vbucket_config_parse_file(configPath("config-user-password2"));
assert(vb2);
assert(strcmp(vbucket_config_get_user(vb2), "theUserIsDifferent") == 0);
assert(strcmp(vbucket_config_get_password(vb2), "thePasswordIsDifferent") == 0);
diff = vbucket_compare(vb1, vb2);
assert(diff);
assert(diff->sequence_changed);
assert(diff->n_vb_changes == 0);
assert(diff->servers_added[0] == NULL);
assert(diff->servers_removed[0] == NULL);
vbucket_free_diff(diff);
diff = vbucket_compare(vb1, vb1);
assert(diff);
assert(diff->sequence_changed == 0);
assert(diff->n_vb_changes == 0);
assert(diff->servers_added[0] == NULL);
assert(diff->servers_removed[0] == NULL);
vbucket_free_diff(diff);
vbucket_config_destroy(vb1);
vbucket_config_destroy(vb2);
}
static VBUCKET_CONFIG_HANDLE backwards_compat(vbucket_source_t source, const char *data)
{
VBUCKET_CONFIG_HANDLE ret = vbucket_config_create();
if (ret == NULL) {
return NULL;
}
if (vbucket_config_parse(ret, source, data) != 0) {
errstr = strdup(ret->errmsg);
vbucket_config_destroy(ret);
ret = NULL;
}
return ret;
}
LIBCOUCHBASE_API
void libcouchbase_destroy(libcouchbase_t instance)
{
libcouchbase_size_t ii;
free(instance->http_uri);
if (instance->sock != INVALID_SOCKET) {
instance->io->delete_event(instance->io, instance->sock,
instance->event);
instance->io->destroy_event(instance->io, instance->event);
instance->io->close(instance->io, instance->sock);
}
if (instance->timeout.event != NULL) {
instance->io->delete_timer(instance->io, instance->timeout.event);
instance->io->destroy_timer(instance->io, instance->timeout.event);
instance->timeout.event = NULL;
}
if (instance->ai != NULL) {
freeaddrinfo(instance->ai);
}
if (instance->vbucket_config != NULL) {
vbucket_config_destroy(instance->vbucket_config);
}
for (ii = 0; ii < instance->nservers; ++ii) {
libcouchbase_server_destroy(instance->servers + ii);
}
free(instance->servers);
free(instance->backup_nodes);
if (instance->io && instance->io->destructor) {
instance->io->destructor(instance->io);
}
free(instance->vbucket_stream.input.data);
free(instance->vbucket_stream.chunk.data);
free(instance->vbucket_stream.header);
free(instance->vb_server_map);
free(instance->histogram);
memset(instance, 0xff, sizeof(*instance));
free(instance);
}
static void testConfig(const char *fname) {
int whoops = 0;
const struct key_st *k;
int i = 0;
VBUCKET_CONFIG_HANDLE vb = vbucket_config_parse_file(configPath(fname));
if (vb == NULL) {
fprintf(stderr, "vbucket_config_parse_file error: %s\n",
vbucket_get_error());
abort();
}
while ((k = &keys[i++])->key != NULL) {
int id = vbucket_get_vbucket_by_key(vb, k->key, strlen(k->key));
if (id != k->vbucket) {
fprintf(stderr, "Expected vbucket %d for key '%s' but got %d\n",
k->vbucket, k->key, id);
whoops = 1;
}
}
if (whoops) {
abort();
}
assert(vbucket_config_get_num_servers(vb) == 3 || vbucket_config_get_num_servers(vb) == 4);
assert(vbucket_config_get_num_replicas(vb) == 2);
for (i = 0; i < 3; ++i) {
assert(strcmp(vbucket_config_get_server(vb, i), servers[i]) == 0);
}
for (i = 0; i < 4; ++i) {
assert(vbucket_get_master(vb, i) == vbuckets[i].master);
assert(vbucket_get_replica(vb, i, 0) == vbuckets[i].replicas[0]);
assert(vbucket_get_replica(vb, i, 1) == vbuckets[i].replicas[1]);
}
assert(vbucket_config_get_user(vb) == NULL);
assert(vbucket_config_get_password(vb) == NULL);
vbucket_config_destroy(vb);
}
int main(void) {
char *root = getenv("srcdir");
const char *host;
char buffer[FILENAME_MAX];
char key[NKEY];
int idx, i, len, ff;
VBUCKET_CONFIG_HANDLE vb;
unsigned char checksum[16];
unsigned char expected[16];
void *ctx;
if (root != NULL) {
for (ff = 0; test_cases[ff] != NULL; ++ff) {
snprintf(buffer, FILENAME_MAX, "%s/tests/config/%s", root, test_cases[ff]);
fprintf(stderr, "Running ketama test for: %s\n", test_cases[ff]);
vb = vbucket_config_create();
assert(vbucket_config_parse(vb, LIBVBUCKET_SOURCE_FILE, buffer) == 0);
/* check if it conforms to libketama results */
snprintf(buffer, FILENAME_MAX,"%s/tests/config/%s.md5sum", root, test_cases[ff]);
read_checksum(buffer, expected);
memset(checksum, 0, 16);
ctx = NULL;
for (i = 0; i < 1000000; i++) {
len = snprintf(key, NKEY, "%d", i);
vbucket_map(vb, key, len, NULL, &idx);
host = vbucket_config_get_server(vb, idx);
ctx = hash_md5_update(ctx, host, strlen(host));
}
hash_md5_final(ctx, checksum);
for (i = 0; i < 16; i++) {
assert(checksum[i] == expected[i]);
}
vbucket_config_destroy(vb);
}
}
exit(EXIT_SUCCESS);
}
static void testWrongServerFFT(const char *fname) {
VBUCKET_CONFIG_HANDLE vb = vbucket_config_parse_file(configPath(fname));
int rv = 0;
int nvb = 0;
int i = 0;
if (vb == NULL) {
fprintf(stderr, "vbucket_config_parse_file error: %s\n", vbucket_get_error());
abort();
}
/* found incorrect master should not be the same as get master now */
nvb = vbucket_config_get_num_vbuckets(vb);
for (i = 0; i < nvb; i++) {
rv = vbucket_get_master(vb, i);
assert(rv != vbucket_found_incorrect_master(vb, i, rv));
}
/* the ideal test case should be that we check that the vbucket */
/* and the fvbucket map are identical at this point. TODO untill */
/* we have a vbucketlib function that diffs vbuckets and fvbuckets */
vbucket_config_destroy(vb);
}
static lcb_error_t set_next_config(struct htvb_st *vbs)
{
VBUCKET_CONFIG_HANDLE new_config = NULL;
new_config = vbucket_config_create();
if (!new_config) {
return LCB_CLIENT_ENOMEM;
}
if (vbucket_config_parse(new_config, LIBVBUCKET_SOURCE_MEMORY, vbs->input.base)) {
vbucket_config_destroy(new_config);
return LCB_PROTOCOL_ERROR;
}
if (vbs->config) {
lcb_clconfig_decref(vbs->config);
}
vbs->config = lcb_clconfig_create(new_config, &vbs->input, LCB_CLCONFIG_HTTP);
vbs->config->cmpclock = gethrtime();
vbs->generation++;
return LCB_SUCCESS;
}
int main(int argc, char **argv) {
VBUCKET_CONFIG_HANDLE vb = NULL;
int rval;
int num_keys_per_vbucket;
int num_keys_to_generate;
int num_vbuckets;
char *** keys;
int i, j, v, k, total;
char *key;
if (argc < 4) {
printf("vbucketkeygen mapfile <keys per vbucket> <keys to generate>\n\n");
printf(" vbucketkeygen will output a list of keys that equally\n");
printf(" distribute amongst every vbucket.\n\n");
printf(" vbucketkeygen expects a vBucketServerMap JSON mapfile, and\n");
printf(" will print the keyname and vBucketId.\n");
printf(" You may use '-' instead for the filename to specify stdin.\n\n");
printf(" Examples:\n");
printf(" ./vbucketkeygen file.json 10 10000\n\n");
printf(" curl http://HOST:8091/pools/default/buckets/default | \\\n");
printf(" ./vbucketkeygen - 5 10000\n");
exit(1);
}
if (strcmp("-", argv[1]) == 0) {
char buf[50000];
if (fgets(buf, sizeof(buf) - 1, stdin) == NULL) {
fprintf(stderr, "ERROR: vbucketkeygen found no input on stdin\n");
exit(1);
}
buf[sizeof(buf) - 1] = '\0';
vb = vbucket_config_parse_string(buf);
} else {
vb = vbucket_config_parse_file(argv[1]);
}
if (vb == NULL) {
fprintf(stderr, "ERROR: vbucket_config_parse_string error: %s\n", vbucket_get_error());
exit(1);
}
rval = 0;
num_keys_per_vbucket = atoi(argv[2]);
num_keys_to_generate = atoi(argv[3]);
num_vbuckets = vbucket_config_get_num_vbuckets(vb);
/* allocate memory and set each key to null since strdup will allocate that */
keys = malloc(sizeof(char***) * num_vbuckets);
for (i = 0; i < num_vbuckets; i++) {
keys[i] = malloc(sizeof(char**) * num_keys_per_vbucket);
}
for (i = 0; i < num_vbuckets; i++) {
for (j = 0 ; j < num_keys_per_vbucket ; j++) {
keys[i][j] = 0;
}
}
/* generate keys and copy them to the keys structure */
key = malloc(sizeof(char) * (MAX_KEY_SIZE+1));
for (i = 0; i < num_keys_to_generate; i++) {
snprintf(key, MAX_KEY_SIZE + 1, "key_%010d", i);
v = vbucket_get_vbucket_by_key(vb, key, strlen(key));
for (k = 0; k < num_keys_per_vbucket; k++) {
if (keys[v][k] == 0) {
keys[v][k] = strdup(key);
break;
}
}
}
/* print out <key> <vbucket> and count up total keys
so we can check that every vbucket has the correct
number of keys */
total = 0;
for (i = 0; i < num_vbuckets; i++) {
for (j = 0 ; j < num_keys_per_vbucket ; j++) {
if (keys[i][j] != 0) {
printf("%s %d\n", keys[i][j], i);
total++;
}
}
}
if (total < (num_vbuckets * num_keys_per_vbucket)) {
fprintf(stderr, "some vbuckets don't have enough keys\n");
rval = 1;
}
vbucket_config_destroy(vb);
return rval;
}
static int load_cache(file_provider *provider)
{
lcb_string str;
char line[1024];
lcb_ssize_t nr;
int fail;
FILE *fp = NULL;
VBUCKET_CONFIG_HANDLE config = NULL;
char *end;
struct stat st;
int status = -1;
lcb_string_init(&str);
if (provider->filename == NULL) {
return -1;
}
fp = fopen(provider->filename, "r");
if (fp == NULL) {
LOG(provider, ERROR, "Couldn't open filename");
return -1;
}
if (fstat(fileno(fp), &st)) {
provider->last_errno = errno;
goto GT_DONE;
}
if (provider->last_mtime == st.st_mtime) {
LOG(provider, INFO, "Rejecting file. Modification time too old");
goto GT_DONE;
}
config = vbucket_config_create();
if (config == NULL) {
goto GT_DONE;
}
lcb_string_init(&str);
while ((nr = fread(line, 1, sizeof(line), fp)) > 0) {
if (lcb_string_append(&str, line, nr)) {
goto GT_DONE;
}
}
if (ferror(fp)) {
goto GT_DONE;
}
fclose(fp);
fp = NULL;
if (!str.nused) {
status = -1;
goto GT_DONE;
}
end = strstr(str.base, CONFIG_CACHE_MAGIC);
if (end == NULL) {
LOG(provider, ERROR, "Couldn't find magic in file");
remove(provider->filename);
status = -1;
goto GT_DONE;
}
fail = vbucket_config_parse(config, LIBVBUCKET_SOURCE_MEMORY, str.base);
if (fail) {
status = -1;
LOG(provider, ERROR, "Couldn't parse configuration");
remove(provider->filename);
goto GT_DONE;
}
if (vbucket_config_get_distribution_type(config) != VBUCKET_DISTRIBUTION_VBUCKET) {
status = -1;
LOG(provider, ERROR, "Not applying cached memcached config");
goto GT_DONE;
}
if (provider->config) {
lcb_clconfig_decref(provider->config);
}
provider->config = lcb_clconfig_create(config,
&str,
LCB_CLCONFIG_FILE);
provider->config->cmpclock = gethrtime();
provider->config->origin = provider->base.type;
provider->last_mtime = st.st_mtime;
status = 0;
config = NULL;
GT_DONE:
if (fp != NULL) {
fclose(fp);
}
if (config != NULL) {
vbucket_config_destroy(config);
}
lcb_string_release(&str);
return status;
}