static int cliReadReply(int fd) {
char type;
if (anetRead(fd,&type,1) <= 0) {
if (config.shutdown) return 0;
exit(1);
}
switch(type) {
case '-':
printf("(error) ");
cliReadSingleLineReply(fd,0);
return 1;
case '+':
return cliReadSingleLineReply(fd,0);
case ':':
printf("(integer) ");
return cliReadSingleLineReply(fd,0);
case '$':
return cliReadBulkReply(fd);
case '*':
return cliReadMultiBulkReply(fd);
default:
printf("protocol error, got '%c' as reply type byte\n", type);
return 1;
}
}
static int cliReadReply(int fd) {
char type;
int nread;
if ((nread = anetRead(fd,&type,1)) <= 0) {
if (config.shutdown) return 0;
if (config.interactive &&
(nread == 0 || (nread == -1 && errno == ECONNRESET)))
{
return ECONNRESET;
} else {
printf("I/O error while reading from socket: %s",strerror(errno));
exit(1);
}
}
switch(type) {
case '-':
if (config.tty) printf("(error) ");
cliReadSingleLineReply(fd,0);
return 1;
case '+':
return cliReadSingleLineReply(fd,0);
case ':':
if (config.tty) printf("(integer) ");
return cliReadSingleLineReply(fd,0);
case '$':
return cliReadBulkReply(fd);
case '*':
return cliReadMultiBulkReply(fd);
default:
printf("protocol error, got '%c' as reply type byte", type);
return 1;
}
}
static int cliSendCommand(int argc, char **argv, int repeat) {
char *command = argv[0];
int fd, j, retval = 0;
sds cmd;
config.raw_output = !strcasecmp(command,"info");
if (!strcasecmp(command,"help")) {
showInteractiveHelp();
return 0;
}
if (!strcasecmp(command,"shutdown")) config.shutdown = 1;
if (!strcasecmp(command,"monitor")) config.monitor_mode = 1;
if (!strcasecmp(command,"subscribe") ||
!strcasecmp(command,"psubscribe")) config.pubsub_mode = 1;
if ((fd = cliConnect(0)) == -1) return 1;
/* Select db number */
retval = selectDb(fd);
if (retval) {
fprintf(stderr,"Error setting DB num\n");
return 1;
}
/* Build the command to send */
cmd = sdscatprintf(sdsempty(),"*%d\r\n",argc);
for (j = 0; j < argc; j++) {
cmd = sdscatprintf(cmd,"$%lu\r\n",
(unsigned long)sdslen(argv[j]));
cmd = sdscatlen(cmd,argv[j],sdslen(argv[j]));
cmd = sdscatlen(cmd,"\r\n",2);
}
while(repeat--) {
anetWrite(fd,cmd,sdslen(cmd));
while (config.monitor_mode) {
if (cliReadSingleLineReply(fd,0)) exit(1);
printf("\n");
}
if (config.pubsub_mode) {
printf("Reading messages... (press Ctrl-c to quit)\n");
while (1) {
cliReadReply(fd);
printf("\n\n");
}
}
retval = cliReadReply(fd);
if (!config.raw_output && config.tty) printf("\n");
if (retval) return retval;
}
return 0;
}
static int selectDb(int fd) {
int retval;
sds cmd;
char type;
if (config.dbnum == 0)
return 0;
cmd = sdsempty();
cmd = sdscatprintf(cmd,"SELECT %d\r\n",config.dbnum);
anetWrite(fd,cmd,sdslen(cmd));
anetRead(fd,&type,1);
if (type <= 0 || type != '+') return 1;
retval = cliReadSingleLineReply(fd,1);
if (retval) {
return retval;
}
return 0;
}
static int cliSendCommand(int argc, char **argv, int repeat) {
struct redisCommand *rc = lookupCommand(argv[0]);
int fd, j, retval = 0;
sds cmd;
if (!rc) {
fprintf(stderr,"Unknown command '%s'\n",argv[0]);
return 1;
}
config.raw_output = (rc->flags & CMDFLAG_RAWOUTPUT);
if ((rc->arity > 0 && argc != rc->arity) ||
(rc->arity < 0 && argc < -rc->arity)) {
fprintf(stderr,"Wrong number of arguments for '%s'\n",rc->name);
return 1;
}
if (!strcasecmp(rc->name,"shutdown")) config.shutdown = 1;
if (!strcasecmp(rc->name,"monitor")) config.monitor_mode = 1;
if (!strcasecmp(rc->name,"subscribe") ||
!strcasecmp(rc->name,"psubscribe")) config.pubsub_mode = 1;
if ((fd = cliConnect()) == -1) return 1;
/* Select db number */
retval = selectDb(fd);
if (retval) {
fprintf(stderr,"Error setting DB num\n");
return 1;
}
while(repeat--) {
/* Build the command to send */
cmd = sdscatprintf(sdsempty(),"*%d\r\n",argc);
for (j = 0; j < argc; j++) {
cmd = sdscatprintf(cmd,"$%lu\r\n",
(unsigned long)sdslen(argv[j]));
cmd = sdscatlen(cmd,argv[j],sdslen(argv[j]));
cmd = sdscatlen(cmd,"\r\n",2);
}
anetWrite(fd,cmd,sdslen(cmd));
sdsfree(cmd);
while (config.monitor_mode) {
cliReadSingleLineReply(fd,0);
}
if (config.pubsub_mode) {
printf("Reading messages... (press Ctrl-c to quit)\n");
while (1) {
cliReadReply(fd);
printf("\n");
}
}
retval = cliReadReply(fd);
if (retval) {
return retval;
}
}
return 0;
}
static int cliSendCommand(int argc, char **argv) {
struct redisCommand *rc = lookupCommand(argv[0]);
int fd, j, retval = 0;
int read_forever = 0;
sds cmd;
if (!rc) {
fprintf(stderr,"Unknown command '%s'\n",argv[0]);
return 1;
}
if ((rc->arity > 0 && argc != rc->arity) ||
(rc->arity < 0 && argc < -rc->arity)) {
fprintf(stderr,"Wrong number of arguments for '%s'\n",rc->name);
return 1;
}
if (!strcasecmp(rc->name,"monitor")) read_forever = 1;
if ((fd = cliConnect()) == -1) return 1;
/* Select db number */
retval = selectDb(fd);
if (retval) {
fprintf(stderr,"Error setting DB num\n");
return 1;
}
while(config.repeat--) {
/* Build the command to send */
cmd = sdsempty();
if (rc->flags & REDIS_CMD_MULTIBULK) {
cmd = sdscatprintf(cmd,"*%d\r\n",argc);
for (j = 0; j < argc; j++) {
cmd = sdscatprintf(cmd,"$%lu\r\n",
(unsigned long)sdslen(argv[j]));
cmd = sdscatlen(cmd,argv[j],sdslen(argv[j]));
cmd = sdscatlen(cmd,"\r\n",2);
}
} else {
for (j = 0; j < argc; j++) {
if (j != 0) cmd = sdscat(cmd," ");
if (j == argc-1 && rc->flags & REDIS_CMD_BULK) {
cmd = sdscatprintf(cmd,"%lu",
(unsigned long)sdslen(argv[j]));
} else {
cmd = sdscatlen(cmd,argv[j],sdslen(argv[j]));
}
}
cmd = sdscat(cmd,"\r\n");
if (rc->flags & REDIS_CMD_BULK) {
cmd = sdscatlen(cmd,argv[argc-1],sdslen(argv[argc-1]));
cmd = sdscatlen(cmd,"\r\n",2);
}
}
anetWrite(fd,cmd,sdslen(cmd));
sdsfree(cmd);
while (read_forever) {
cliReadSingleLineReply(fd,0);
}
retval = cliReadReply(fd);
if (retval) {
return retval;
}
}
return 0;
}