int main(void)
{
char *src = "ANS=993444\n=c8c8\nc8fsksdafjaksekjfjlk\nREQQQ=2348234\nDO=B\nETYP=3\n";
char buf[128] = { 0 , };
char *p;
p = search_req_str_in_the_packet(src, "RE");
if ( p ) {
printf("%s\n", p);
}
if ( get_request_type_str(src, buf) == 0 ) {
printf("buf=%s\n", buf);
}
return 0;
}
bool
send_request(struct server_data* server, const char* request, int request_length)
{
int socket_fd = get_client_socket_fd();
char ip_address_str[INET_ADDRSTRLEN];
inet_ntop(AF_INET, &server->address.sin_addr, ip_address_str, INET_ADDRSTRLEN);
int port = ntohs(server->address.sin_port);
char request_type_str[MTN_REQ_TYPE_LEN + 1];
get_request_type_str(request_type_str, get_request_type(request));
if(sendto(socket_fd, request, request_length, 0,
(struct sockaddr *) &(server->address), sizeof(server->address)) == -1)
{
error_errno("cannot send %s request to %s:%d",
request_type_str, ip_address_str, port);
return false;
}
time_t send_time;
if((send_time = time(NULL)) == -1)
{
fatal_error(1, "cannot measure time");
}
info("Sending %s request to %s:%d", request_type_str, ip_address_str, port);
struct timespec timeout;
timeout.tv_sec = send_time + SERVER_RESPONSE_TIMEOUT;
timeout.tv_nsec = 0;
pthread_mutex_lock(&server->mutex);
while(server->state != RESP)
{
if(pthread_cond_timedwait(&response_cond, &server->mutex, &timeout) == ETIMEDOUT)
{
info("Server %s:%d is not responding to %s request",
ip_address_str, port, request_type_str);
server->last_connect_attempt_time = send_time;
server->not_connect_count++;
if(server->not_connect_count % MAX_NOT_CONNECT_COUNT == 0)
{
// client runs out of attempts to connect to the server
// client now waits for next attempt
server->state = WAIT;
}
pthread_mutex_unlock(&server->mutex);
return false;
}
}
char response_type_str[MTN_RES_TYPE_LEN + 1];
get_response_type_str(response_type_str, get_response_type(server->response));
time_t connect_time;
if((connect_time = time(NULL)) == -1)
{
fatal_error(1, "cannot measure time");
}
info("Receiving %s response from %s:%d",
response_type_str, ip_address_str, port);
info("%s", server->response);
server->last_connect_attempt_time = connect_time;
server->not_connect_count = 0;
pthread_mutex_unlock(&server->mutex);
return true;
}
