void process_connection(int ci)
{
struct boothc_header h;
char *data = NULL;
char *site, *ticket;
int local, rv;
rv = do_read(client[ci].fd, &h, sizeof(h));
if (rv < 0) {
log_error("connection %d read error %d", ci, rv);
return;
}
if (h.magic != BOOTHC_MAGIC) {
log_error("connection %d magic error %x", ci, h.magic);
return;
}
if (h.version != BOOTHC_VERSION) {
log_error("connection %d version error %x", ci, h.version);
return;
}
if (h.len) {
data = malloc(h.len);
if (!data) {
log_error("process_connection no mem %u", h.len);
return;
}
memset(data, 0, h.len);
rv = do_read(client[ci].fd, data, h.len);
if (rv < 0) {
log_error("connection %d read data error %d", ci, rv);
goto out;
}
h.len = 0;
}
switch (h.cmd) {
case BOOTHC_CMD_LIST:
assert(!data);
h.result = list_ticket(&data, &h.len);
break;
case BOOTHC_CMD_GRANT:
site = data;
ticket = data + BOOTH_NAME_LEN;
if (!check_ticket(ticket)) {
h.result = BOOTHC_RLT_INVALID_ARG;
goto reply;
}
if (!check_site(site, &local)) {
h.result = BOOTHC_RLT_INVALID_ARG;
goto reply;
}
if (local)
h.result = grant_ticket(ticket, h.option);
else
h.result = BOOTHC_RLT_REMOTE_OP;
break;
case BOOTHC_CMD_REVOKE:
site = data;
ticket = data + BOOTH_NAME_LEN;
if (!check_ticket(ticket)) {
h.result = BOOTHC_RLT_INVALID_ARG;
goto reply;
}
if (!check_site(site, &local)) {
h.result = BOOTHC_RLT_INVALID_ARG;
goto reply;
}
if (local)
h.result = revoke_ticket(ticket, h.option);
else
h.result = BOOTHC_RLT_REMOTE_OP;
break;
default:
log_error("connection %d cmd %x unknown", ci, h.cmd);
break;
}
reply:
rv = do_write(client[ci].fd, &h, sizeof(h));
if (rv < 0)
log_error("connection %d write error %d", ci, rv);
if (h.len) {
rv = do_write(client[ci].fd, data, h.len);
if (rv < 0)
log_error("connection %d write error %d", ci, rv);
}
out:
free(data);
}
void process_connection(int ci)
{
struct boothc_header h;
char *data = NULL;
char *site, *ticket;
int local, rv;
void (*deadfn) (int ci);
rv = do_read(client[ci].fd, &h, sizeof(h));
if (rv < 0) {
if (errno == ECONNRESET)
log_debug("client %d connection reset for fd %d", ci, client[ci].fd);
else
log_debug("client %d read failed for fd %d: %s (%d)",
ci, client[ci].fd,
strerror(errno), errno);
deadfn = client[ci].deadfn;
if(deadfn) {
log_debug("run deadfn");
deadfn(ci);
}
return;
}
if (h.magic != BOOTHC_MAGIC) {
log_error("connection %d magic error %x", ci, h.magic);
return;
}
if (h.version != BOOTHC_VERSION) {
log_error("connection %d version error %x", ci, h.version);
return;
}
if (h.len) {
data = malloc(h.len);
if (!data) {
log_error("process_connection no mem %u", h.len);
return;
}
memset(data, 0, h.len);
rv = do_read(client[ci].fd, data, h.len);
if (rv < 0) {
log_error("connection %d read data error %d", ci, rv);
goto out;
}
}
switch (h.cmd) {
case BOOTHC_CMD_LIST:
assert(!data);
h.result = list_ticket(&data, &h.len);
break;
case BOOTHC_CMD_GRANT:
h.len = 0;
site = data;
ticket = data + BOOTH_NAME_LEN;
if (!check_ticket(ticket)) {
h.result = BOOTHC_RLT_INVALID_ARG;
goto reply;
}
if (!check_site(site, &local)) {
h.result = BOOTHC_RLT_INVALID_ARG;
goto reply;
}
if (local)
h.result = grant_ticket(ticket, h.option);
else
h.result = BOOTHC_RLT_REMOTE_OP;
break;
case BOOTHC_CMD_REVOKE:
h.len = 0;
site = data;
ticket = data + BOOTH_NAME_LEN;
if (!check_ticket(ticket)) {
h.result = BOOTHC_RLT_INVALID_ARG;
goto reply;
}
if (!check_site(site, &local)) {
h.result = BOOTHC_RLT_INVALID_ARG;
goto reply;
}
if (local)
h.result = revoke_ticket(ticket, h.option);
else
h.result = BOOTHC_RLT_REMOTE_OP;
break;
case BOOTHC_CMD_CATCHUP:
h.result = catchup_ticket(&data, h.len);
break;
default:
log_error("connection %d cmd %x unknown", ci, h.cmd);
break;
}
reply:
rv = do_write(client[ci].fd, &h, sizeof(h));
if (rv < 0)
log_error("connection %d write error %d", ci, rv);
if (h.len) {
rv = do_write(client[ci].fd, data, h.len);
if (rv < 0)
log_error("connection %d write error %d", ci, rv);
}
out:
free(data);
}