void
msgpack_reply(redisAsyncContext *c, void *r, void *privdata) {
redisReply *reply = r;
struct cmd *cmd = privdata;
struct msg_out out;
(void)c;
if(cmd == NULL) {
/* broken connection */
return;
}
if (reply == NULL) { /* broken Redis link */
format_send_error(cmd, 503, "Service Unavailable");
return;
}
/* prepare data structure for output */
out.p = NULL;
out.sz = 0;
/* encode redis reply */
msgpack_wrap_redis_reply(cmd, &out, r);
/* send reply */
format_send_reply(cmd, out.p, out.sz, "application/x-msgpack");
/* cleanup */
free(out.p);
}
void
custom_type_reply(redisAsyncContext *c, void *r, void *privdata) {
redisReply *reply = r;
struct cmd *cmd = privdata;
(void)c;
char int_buffer[50];
int int_len;
struct http_response resp;
if (reply == NULL) { /* broken Redis link */
format_send_error(cmd, 503, "Service Unavailable");
return;
}
if(cmd->mime) { /* use the given content-type, but only for strings */
switch(reply->type) {
case REDIS_REPLY_NIL: /* or nil values */
format_send_reply(cmd, "", 0, cmd->mime);
return;
case REDIS_REPLY_STRING:
format_send_reply(cmd, reply->str, reply->len, cmd->mime);
return;
case REDIS_REPLY_INTEGER:
int_len = sprintf(int_buffer, "%lld", reply->integer);
format_send_reply(cmd, int_buffer, int_len, cmd->mime);
return;
case REDIS_REPLY_ARRAY:
# TODO: Avoid assuming the command is BLPOP.
format_send_reply(cmd, reply->element[1]->str, reply->element[1]->len, cmd->mime);
return;
}
}
/* couldn't make sense of what the client wanted. */
http_response_init(&resp, 401, "Bad Request");
http_response_set_header(&resp, "Content-Length", "0");
http_response_set_keep_alive(&resp, cmd->keep_alive);
http_response_write(&resp, cmd->fd);
cmd_free(cmd);
}
