#include <signal.h>
enum state {
+ SENDING_GREETING,
RECEIVING_USER_QUESTION,
+ SENDING_ANSWER_PREFIX,
SENDING_ANSWER,
FINISHED
};
static uint16_t state_flag_map[] = {
+ [SENDING_GREETING] = TEVENT_FD_WRITE,
[RECEIVING_USER_QUESTION] = TEVENT_FD_READ,
+ [SENDING_ANSWER_PREFIX] = TEVENT_FD_WRITE,
[SENDING_ANSWER] = TEVENT_FD_WRITE,
[FINISHED] = 0
};
ssize_t len;
switch (c->state) {
+ case SENDING_GREETING:
+ if (!send_string(c, "Welcome. Please ask your question.\n"))
+ goto fail;
+ break;
case RECEIVING_USER_QUESTION:
len = read_string(c->fd, &c->question);
if (len <= 0)
for (i = 0; c->question[i]; i++)
c->question[i] = toupper(c->question[i]);
- set_state(c, SENDING_ANSWER);
+ set_state(c, SENDING_ANSWER_PREFIX);
}
break;
+ case SENDING_ANSWER_PREFIX:
+ if (!send_string(c, "Our answer is:\n"))
+ goto fail;
+ break;
case SENDING_ANSWER:
if (!send_string(c, c->question))
goto fail;
if (client->fd < 0)
err(1, "Accepting client connection");
- client->state = RECEIVING_USER_QUESTION;
+ client->state = SENDING_GREETING;
client->bytes_sent = 0;
client->question = talloc_strdup(client, "");
client->oserver = oserver;