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yc.c
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// (C) 2013-2015 Cybozu.
#include "yrmcds.h"
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static const uint16_t DEFAULT_PORT = 11211;
static const char DEFAULT_SERVER[] = "localhost";
static const size_t DEFAULT_COMPRESS = 16384;
static int debug = 0;
static int quiet = 0;
static void version() {
printf("yc with libyrmcds " LIBYRMCDS_VERSION "\n");
}
static void usage() {
printf("Usage: yc "
"[-h] [-v] [-d] [-t] [-s SERVER] [-p PORT] [-c COMPRESS] COMMAND ...\n\n"
"Options:\n"
" -h print help and exit.\n"
" -v print version information.\n"
" -d turn on debug messages.\n"
" -t turn on text protocol mode.\n"
" -q Use quiet commands, if possible.\n"
" -s connect to SERVER. Default: localhost\n"
" -p TCP port number. Default: 11211\n"
" -c compression threshold. Default: 16384\n\n"
"Commands:\n"
" noop\n"
" ping the server.\n"
" get KEY\n"
" get an object.\n"
" getk KEY\n"
" get an object with key.\n"
" gat KEY EXPIRE\n"
" get and touch an object.\n"
" gatk KEY EXPIRE\n"
" get and touch an object with key.\n"
" lag KEY\n"
" lock and get an object.\n"
" lagk KEY\n"
" lock and get an object with key.\n"
" touch KEY EXPIRE\n"
" touch an object.\n"
" set KEY FILE [EXPIRE [FLAGS [CAS]]]\n"
" store FILE data. If FILE is \"-\", stdin is used.\n"
" replace KEY FILE [EXPIRE [FLAGS [CAS]]]\n"
" update an existing object. FILE is the same as set.\n"
" add KEY FILE [EXPIRE [FLAGS [CAS]]]\n"
" create a new object. FILE is the same as set.\n"
" rau KEY FILE [EXPIRE [FLAGS]]\n"
" replace a locked object then unlock it.\n"
" Since this command always fails, do not use this.\n"
" incr KEY VALUE [INITIAL [EXPIRE]]\n"
" increments an exiting object's value by VALUE.\n"
" If INITIAL is given, new object is created when KEY\n"
" is not found. EXPIRE is used only when an object is\n"
" created.\n"
" decr KEY VALUE [INITIAL [EXPIRE]]\n"
" decrements an exiting object's value by VALUE.\n"
" If INITIAL is given, new object is created when KEY\n"
" is not found. EXPIRE is used only when an object is\n"
" created.\n"
" append KEY FILE\n"
" append FILE data FILE is the same as set.\n"
" prepend KEY FILE\n"
" prepend FILE data FILE is the same as set.\n"
" delete KEY\n"
" delete an object.\n"
" lock KEY\n"
" locks an object.\n"
" unlock KEY\n"
" this command always fails. Do not use this.\n"
" unlockall\n"
" this command has no effect.\n"
" flush [DELAY]\n"
" flush all unlocked items immediately or after DELAY seconds.\n"
" stat [settings|ops|items|sizes]\n"
" obtain general or specified statistics.\n"
" keys [PREFIX]\n"
" dump keys matching PREFIX.\n"
" version\n"
" shows the server version.\n"
" quit\n"
" just quits. Not much interesting.\n"
);
}
static void print_response(const yrmcds_response* r) {
fprintf(stderr, "dump response:\n"
" serial: %u\n"
" length: %lu\n"
" status: 0x%04x\n"
" command: 0x%02x\n"
" cas: %" PRIu64 "\n"
" flags: 0x%08x\n"
" value: %" PRIu64 "\n",
r->serial, (unsigned long)r->length, r->status, r->command,
r->cas_unique, r->flags, r->value);
if( r->key_len )
fprintf(stderr, " key: %.*s (%lu bytes)\n",
(int)r->key_len, r->key, (unsigned long)r->key_len);
if( r->data_len )
fprintf(stderr, " data: %.*s (%lu bytes)\n",
(int)r->data_len, r->data, (unsigned long)r->data_len);
}
static void write_data(const yrmcds_response* r) {
const char* p = r->data;
size_t to_write = r->data_len;
while( to_write > 0 ) {
ssize_t n = write(STDOUT_FILENO, p, to_write);
if( n == -1 ) return;
p += n;
to_write -= (size_t)n;
}
// writing a newline breaks data equality...
//char nl = '\n';
//write(STDOUT_FILENO, &nl, 1);
}
static size_t read_data(const char* filename, char** pdata) {
int fd;
if( strcmp(filename, "-") == 0 ) {
fd = STDIN_FILENO;
} else {
fd = open(filename, O_RDONLY);
if( fd == -1 ) return 0;
}
size_t data_len = 0;
size_t capacity = 1 << 20;
*pdata = (char*)malloc(capacity);
if( *pdata == NULL ) return 0;
while( 1 ) {
if( (capacity - data_len) < (1 << 20) ) {
char* new_data = (char*)realloc(*pdata, capacity * 2);
if( new_data == NULL ) {
free(*pdata);
*pdata = NULL;
return 0;
}
*pdata = new_data;
capacity *= 2;
}
ssize_t n = read(fd, *pdata + data_len, 1 << 20);
if( n == -1 ) {
free(*pdata);
*pdata = NULL;
return 0;
}
if( n == 0 ) break;
data_len += (size_t)n;
}
if( fd != STDIN_FILENO )
close(fd);
return data_len;
}
#define CHECK_ERROR(e) \
if( e != 0 ) { \
if( e == YRMCDS_SYSTEM_ERROR ) { \
fprintf(stderr, "system error: %s\n", strerror(errno)); \
} else { \
fprintf(stderr, "yrmcds error: %s\n", yrmcds_strerror(e)); \
} \
return 2; \
}
#define CHECK_RESPONSE(r) \
if( r->status != YRMCDS_STATUS_OK ) { \
fprintf(stderr, "Command failed: 0x%04x %.*s\n", \
r->status, (int)r->data_len, r->data); \
return 3; \
}
int cmd_noop(int argc, char** argv, yrmcds* s) {
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
printf("OK\n");
return 0;
}
int cmd_get(int argc, char** argv, yrmcds* s) {
if( argc != 1 ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_get(s, argv[0], strlen(argv[0]), quiet, &serial);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
write_data(r);
return 0;
}
int cmd_getk(int argc, char** argv, yrmcds* s) {
if( argc != 1 ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_getk(s, argv[0], strlen(argv[0]), quiet, &serial);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
write_data(r);
return 0;
}
int cmd_gat(int argc, char** argv, yrmcds* s) {
if( argc != 2 ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
const char* key = argv[0];
uint32_t expire = (uint32_t)strtoull(argv[1], NULL, 0);
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_get_touch(s, key, strlen(key), expire, quiet, &serial);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
write_data(r);
return 0;
}
int cmd_gatk(int argc, char** argv, yrmcds* s) {
if( argc != 2 ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
const char* key = argv[0];
uint32_t expire = (uint32_t)strtoull(argv[1], NULL, 0);
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_getk_touch(s, key, strlen(key), expire, quiet, &serial);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
write_data(r);
return 0;
}
int cmd_lag(int argc, char** argv, yrmcds* s) {
if( argc != 1 ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_lock_get(s, argv[0], strlen(argv[0]), quiet, &serial);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
write_data(r);
fprintf(stderr, "Press enter to unlock.\n");
getchar();
return 0;
}
int cmd_lagk(int argc, char** argv, yrmcds* s) {
if( argc != 1 ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_lock_getk(s, argv[0], strlen(argv[0]), quiet, &serial);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
write_data(r);
fprintf(stderr, "Press enter to unlock.\n");
getchar();
return 0;
}
int cmd_touch(int argc, char** argv, yrmcds* s) {
if( argc != 2 ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
const char* key = argv[0];
uint32_t expire = (uint32_t)strtoull(argv[1], NULL, 0);
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_touch(s, key, strlen(key), expire, quiet, &serial);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
return 0;
}
int cmd_set(int argc, char** argv, yrmcds* s) {
if( argc < 2 || 5 < argc ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
const char* key = argv[0];
char* data = NULL;
size_t data_len = read_data(argv[1], &data);
if( data == NULL ) {
fprintf(stderr, "Failed to read data.\n");
return 2;
}
uint32_t expire = 0;
uint32_t flags = 0;
uint64_t cas = 0;
if( argc > 2 )
expire = (uint32_t)strtoull(argv[2], NULL, 0);
if( argc > 3 )
flags = (uint32_t)strtoull(argv[3], NULL, 0);
if( argc > 4 )
cas = (uint64_t)strtoull(argv[4], NULL, 0);
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_set(s, key, strlen(key), data, data_len,
flags, expire, cas, quiet, &serial);
free(data);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
return 0;
}
int cmd_replace(int argc, char** argv, yrmcds* s) {
if( argc < 2 || 5 < argc ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
const char* key = argv[0];
char* data = NULL;
size_t data_len = read_data(argv[1], &data);
if( data == NULL ) {
fprintf(stderr, "Failed to read data.\n");
return 2;
}
uint32_t expire = 0;
uint32_t flags = 0;
uint64_t cas = 0;
if( argc > 2 )
expire = (uint32_t)strtoull(argv[2], NULL, 0);
if( argc > 3 )
flags = (uint32_t)strtoull(argv[3], NULL, 0);
if( argc > 4 )
cas = (uint64_t)strtoull(argv[4], NULL, 0);
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_replace(s, key, strlen(key), data, data_len,
flags, expire, cas, quiet, &serial);
free(data);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
return 0;
}
int cmd_add(int argc, char** argv, yrmcds* s) {
if( argc < 2 || 5 < argc ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
const char* key = argv[0];
char* data = NULL;
size_t data_len = read_data(argv[1], &data);
if( data == NULL ) {
fprintf(stderr, "Failed to read data.\n");
return 2;
}
uint32_t expire = 0;
uint32_t flags = 0;
uint64_t cas = 0;
if( argc > 2 )
expire = (uint32_t)strtoull(argv[2], NULL, 0);
if( argc > 3 )
flags = (uint32_t)strtoull(argv[3], NULL, 0);
if( argc > 4 )
cas = (uint64_t)strtoull(argv[4], NULL, 0);
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_add(s, key, strlen(key), data, data_len,
flags, expire, cas, quiet, &serial);
free(data);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
return 0;
}
int cmd_rau(int argc, char** argv, yrmcds* s) {
if( argc < 2 || 4 < argc ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
const char* key = argv[0];
char* data = NULL;
size_t data_len = read_data(argv[1], &data);
if( data == NULL ) {
fprintf(stderr, "Failed to read data.\n");
return 2;
}
uint32_t expire = 0;
uint32_t flags = 0;
if( argc > 2 )
expire = (uint32_t)strtoull(argv[2], NULL, 0);
if( argc > 3 )
flags = (uint32_t)strtoull(argv[3], NULL, 0);
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_replace_unlock(s, key, strlen(key), data, data_len,
flags, expire, quiet, &serial);
free(data);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
return 0;
}
int cmd_incr(int argc, char** argv, yrmcds* s) {
if( argc < 2 || 4 < argc ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
const char* key = argv[0];
uint64_t value = (uint64_t)strtoull(argv[1], NULL, 0);
uint64_t initial = 0;
uint32_t expire = ~(uint32_t)0;
if( argc > 2 ) {
initial = (uint64_t)strtoull(argv[2], NULL, 0);
expire = 0;
}
if( argc > 3 )
expire = (uint32_t)strtoull(argv[3], NULL, 0);
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e;
if( argc == 2 ) {
e = yrmcds_incr(s, key, strlen(key), value, quiet, &serial);
} else {
e = yrmcds_incr2(s, key, strlen(key), value, initial, expire,
quiet, &serial);
}
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
printf("%" PRIu64 "\n", r->value);
return 0;
}
int cmd_decr(int argc, char** argv, yrmcds* s) {
if( argc < 2 || 4 < argc ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
const char* key = argv[0];
uint64_t value = (uint64_t)strtoull(argv[1], NULL, 0);
uint64_t initial = 0;
uint32_t expire = ~(uint32_t)0;
if( argc > 2 ) {
initial = (uint64_t)strtoull(argv[2], NULL, 0);
expire = 0;
}
if( argc > 3 )
expire = (uint32_t)strtoull(argv[3], NULL, 0);
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e;
if( argc == 2 ) {
e = yrmcds_decr(s, key, strlen(key), value, quiet, &serial);
} else {
e = yrmcds_decr2(s, key, strlen(key), value, initial, expire,
quiet, &serial);
}
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
printf("%" PRIu64 "\n", r->value);
return 0;
}
int cmd_append(int argc, char** argv, yrmcds* s) {
if( argc != 2 ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
const char* key = argv[0];
char* data = NULL;
size_t data_len = read_data(argv[1], &data);
if( data == NULL ) {
fprintf(stderr, "Failed to read data.\n");
return 2;
}
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_append(s, key, strlen(key),
data, data_len, quiet, &serial);
free(data);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
return 0;
}
int cmd_prepend(int argc, char** argv, yrmcds* s) {
if( argc != 2 ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
const char* key = argv[0];
char* data = NULL;
size_t data_len = read_data(argv[1], &data);
if( data == NULL ) {
fprintf(stderr, "Failed to read data.\n");
return 2;
}
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_prepend(s, key, strlen(key),
data, data_len, quiet, &serial);
free(data);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
return 0;
}
int cmd_delete(int argc, char** argv, yrmcds* s) {
if( argc != 1 ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_remove(s, argv[0], strlen(argv[0]), quiet, &serial);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
write_data(r);
return 0;
}
int cmd_lock(int argc, char** argv, yrmcds* s) {
if( argc != 1 ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_lock(s, argv[0], strlen(argv[0]), quiet, &serial);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
fprintf(stderr, "Press enter to unlock.\n");
getchar();
return 0;
}
int cmd_unlock(int argc, char** argv, yrmcds* s) {
if( argc != 1 ) {
fprintf(stderr, "Wrong number of arguments.\n");
return 1;
}
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_unlock(s, argv[0], strlen(argv[0]), quiet, &serial);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
return 0;
}
int cmd_unlockall(int argc, char** argv, yrmcds* s) {
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_unlockall(s, quiet, &serial);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
return 0;
}
int cmd_flush(int argc, char** argv, yrmcds* s) {
uint32_t delay = 0;
if( argc == 1 )
delay = (uint32_t)strtoull(argv[0], NULL, 0);
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_flush(s, delay, quiet, &serial);
CHECK_ERROR(e);
if( quiet ) {
e = yrmcds_noop(s, &serial);
CHECK_ERROR(e);
}
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial == serial )
break;
}
return 0;
}
int cmd_stat(int argc, char** argv, yrmcds* s) {
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e;
if( argc > 0 ) {
if( strcmp(argv[0], "settings") == 0 ) {
e = yrmcds_stat_settings(s, &serial);
} else if( strcmp(argv[0], "ops") == 0 ) {
e = yrmcds_stat_ops(s, &serial);
} else if( strcmp(argv[0], "items") == 0 ) {
e = yrmcds_stat_items(s, &serial);
} else if( strcmp(argv[0], "sizes") == 0 ) {
e = yrmcds_stat_sizes(s, &serial);
} else {
fprintf(stderr, "No such statistics.\n");
return 1;
}
} else {
e = yrmcds_stat_general(s, &serial);
}
CHECK_ERROR(e);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->key_len == 0 )
break;
if( r->data_len == 0 )
continue;
printf("%.*s: %.*s\n", (int)r->key_len, r->key,
(int)r->data_len, r->data);
}
return 0;
}
int cmd_keys(int argc, char** argv, yrmcds* s) {
const char* prefix = NULL;
size_t prefix_len = 0;
if( argc == 1 ) {
prefix = argv[0];
prefix_len = strlen(prefix);
}
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_keys(s, prefix, prefix_len, &serial);
CHECK_ERROR(e);
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
while( 1 ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
if( r->serial != serial )
continue;
if( r->key_len == 0 )
break;
printf("%.*s\n", (int)r->key_len, r->key);
}
return 0;
}
int cmd_version(int argc, char** argv, yrmcds* s) {
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_version(s, &serial);
CHECK_ERROR(e);
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
printf("%.*s\n", (int)r->data_len, r->data);
return 0;
}
int cmd_quit(int argc, char** argv, yrmcds* s) {
yrmcds_response r[1];
uint32_t serial;
yrmcds_error e = yrmcds_quit(s, quiet, &serial);
CHECK_ERROR(e);
if( debug )
fprintf(stderr, "request serial = %u\n", serial);
if( ! quiet ) {
e = yrmcds_recv(s, r);
CHECK_ERROR(e);
if( debug )
print_response(r);
CHECK_RESPONSE(r);
}
return 0;
}
int main(int argc, char** argv) {
const char* server = DEFAULT_SERVER;
uint16_t port = DEFAULT_PORT;
size_t compression = DEFAULT_COMPRESS;
int text_mode = 0;
while( 1 ) {
int n;
int c = getopt(argc, argv, "s:p:c:dtqvh");
if( c == -1 ) break;