SimulationCore2/Redis/example2.c

#include "hiredis.h"

void dumpReply(redisReply *r, int indent) {
    sds buffer = sdsempty();

    switch (r->type) {
        case REDIS_REPLY_STRING:
            buffer = sdscatfmt(buffer, "(string) %s\n", r->str);
            break;
        case REDIS_REPLY_STATUS:
            buffer = sdscatfmt(buffer, "(status) %s\n", r->str);
            break;
        case REDIS_REPLY_INTEGER:
            buffer = sdscatlen(buffer, "(integer) %lld\n", r->integer);
            break;
        case REDIS_REPLY_NIL:
            buffer = sdscatlen(buffer, "(nill)\n", 7);
            break;
        case REDIS_REPLY_ERROR:
            buffer = sdscatfmt(buffer, " (error) %s", r->str);
            break;
        case REDIS_REPLY_ARRAY:
            for (size_t i = 0; i < r->elements; i++) {
                dumpReply(r->element[i], indent + 2);
            }
            break;
        default:
            return;
            // dbg_abort("Don't know how to deal with reply type %d", r->type);
    }

    if (sdslen(buffer) > 0) {
        for (int i = 0; i < indent; i++)
            printf(" ");

        printf("%s", buffer);
    }

    sdsfree(buffer);
}
int main() {
    redisContext *c;
    redisReply *reply;

    // Connect to Redis server
    c = redisConnect("127.0.0.1", 6379);
    if (c->err) {
        printf("Error 0: %s\n", c->errstr);
        return 1;
    }
    // Authenticate if necessary
    reply = redisCommand(c, "AUTH %s", "1qazxsw2$$");
    freeReplyObject(reply);

    // Read from the stream
    char commandStr[100] = "XREADGROUP GROUP sampleGroup NOACK STREAMS sampleStream >";
    printf("command: %s\n",commandStr);
    reply = redisCommand(c, commandStr);
    printf("reply->type =>%d\n",reply->type);
    dumpReply(reply,0);
    // if (reply->type == REDIS_REPLY_ARRAY) {
    //     printf("reply->elements: %ld\n",reply->elements);
    //     for(int i = 0; i < reply->elements; i++) {
    //         redisReply *element = reply->element[i];
    //         printf("read from redis: %s\n", reply->str);
    //     }
    // }

    // Don't forget to free the reply object when you're done with it
    freeReplyObject(reply);

    // Disconnect from the Redis server
    redisFree(c);

    return 0;
}