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sendussd.c
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sendussd.c
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/*
* main.c
*
* Created on: Sep 19, 2012
* Author: caruizdiaz
* caruizdiaz.com
*/
#include "dwg/dwg_util.h"
#include "dwg/dwg.h"
static int _connected = 0;
void new_ussd_handler(str_t *gw_ip, dwg_ussd_received_t *ussd)
{
LOG(L_DEBUG, "[%.*s] status: %d content: [%.*s]\n", gw_ip->len, gw_ip->s,
ussd->status,
ussd->message.len, ussd->message.s);
}
void new_sms_handler(str_t *gw_ip, dwg_sms_received_t *sms)
{
LOG(L_DEBUG, "[%.*s] Encoding: %d, From: %.*s, Len: %d, Text: %.*s\n", gw_ip->len, gw_ip->s,
sms->encoding,
sms->str_number.len, sms->str_number.s,
sms->message.len,
sms->message.len, sms->message.s);
}
void status_handler(str_t *gw_ip, dwg_ports_status_t *status)
{
int index = 0;
LOG(L_DEBUG, "\t[%.*s] Number of ports: %d\n", gw_ip->len, gw_ip->s, status->size);
for (index = 0; index < status->size; index++)
{
LOG(L_DEBUG, "\tPort%d: %d\n", index, status->status_array[index].status);
}
_connected = 1;
}
void msg_response_handler(str_t *gw_ip, dwg_sms_response_t *response)
{
LOG(L_DEBUG, "\t[%.*s] ACK response from %s\n", gw_ip->len, gw_ip->s, response->number);
}
void start_interactive_ussd_session(int port)
{
char input[256];
while(1)
{
printf("ussd request: ");
if (fgets(input, sizeof(input), stdin))
{
char *nl = strchr(input, '\n');
input[nl - input] = 0;
if (strlen(input) == 0)
continue;
str_t service = { input, strlen(input) };
dwg_send_ussd(&service, port);
printf("Request [%.*s] sent. Waiting for answer... \n", service.len, service.s);
}
}
}
int main(int argc, char** argv)
{
if (argc != 3)
{
fprintf(stderr, "Invalid usage:\n\t./app <listen-port> <gw-port>\n");
exit(1);
}
dwg_message_callback_t callbacks = {
.status_callback = status_handler,
.msg_response_callback = msg_response_handler,
.msg_sms_recv_callback = new_sms_handler,
.msg_ussd_recv_callback = new_ussd_handler
};
LOG(L_DEBUG, "%s: Setting up server... \n", __FUNCTION__);
int listen_port = atoi(argv[1]);
int port = atoi(argv[2]);
dwg_start_server(listen_port, &callbacks);
LOG(L_DEBUG, "%s: Server listening at port %d\n", __FUNCTION__, listen_port);
do
{
LOG(L_DEBUG, "%s: Gateway not connected. Waiting... \n", __FUNCTION__);
sleep(1);
}
while(_connected == 0);
start_interactive_ussd_session(port);
return 0;
}