/*
Send req to IP server and get the response
*/
static RC_TYPE do_ip_server_transaction(DYN_DNS_CLIENT *p_self)
{
RC_TYPE rc = RC_OK;
HTTP_CLIENT *p_http;
p_http = &p_self->http_to_ip_server;
rc = http_client_init(&p_self->http_to_ip_server);
if (rc != RC_OK)
{
return rc;
}
do
{
/*prepare request for IP server*/
{
HTTP_TRANSACTION *p_tr = &p_self->http_tr;
p_tr->req_len = get_req_for_ip_server((DYN_DNS_CLIENT*) p_self,
p_self->info.p_dns_system->p_specific_data);
if (p_self->dbg.level > 2)
{
DBG_PRINTF((LOG_DEBUG, "The request for IP server:\n%s\n",p_self->p_req_buffer));
}
p_tr->p_req = (char*) p_self->p_req_buffer;
p_tr->p_rsp = (char*) p_self->p_work_buffer;
p_tr->max_rsp_len = p_self->work_buffer_size - 1;/*save place for a \0 at the end*/
p_tr->rsp_len = 0;
rc = http_client_transaction(&p_self->http_to_ip_server, &p_self->http_tr);
p_self->p_work_buffer[p_tr->rsp_len] = 0;
}
}
while(0);
/*close*/
http_client_shutdown(&p_self->http_to_ip_server);
return rc;
}
/*
Send req to IP server and get the response
*/
static RC_TYPE do_ip_server_transaction(DYN_DNS_CLIENT *p_self, int servernum)
{
RC_TYPE rc = RC_OK;
HTTP_CLIENT *p_http;
HTTP_TRANSACTION *p_tr;
if (p_self == NULL)
{
return RC_INVALID_POINTER;
}
p_http = &p_self->http_to_ip_server[servernum];
rc = http_client_init(p_http, "Checking for IP# change");
if (rc != RC_OK)
{
return rc;
}
/* Prepare request for IP server */
p_tr = &p_self->http_tr;
p_tr->req_len = get_req_for_ip_server(p_self, servernum);
if (p_self->dbg.level > 2)
{
logit(LOG_DEBUG, MODULE_TAG "Querying DDNS server for my public IP#:");
logit(LOG_DEBUG, MODULE_TAG "%s", p_self->p_req_buffer);
}
p_tr->p_req = (char*) p_self->p_req_buffer;
p_tr->p_rsp = (char*) p_self->p_work_buffer;
p_tr->max_rsp_len = p_self->work_buffer_size - 1; /* Save place for terminating \0 in string. */
p_tr->rsp_len = 0;
rc = http_client_transaction(p_http, &p_self->http_tr);
p_tr->p_rsp[p_tr->rsp_len] = 0;
if (p_tr->status != 200)
rc = RC_DYNDNS_INVALID_RSP_FROM_IP_SERVER;
http_client_shutdown(p_http);
return rc;
}
/*
Send req to IP server and get the response
*/
static int do_ip_server_transaction(ddns_t *ctx, int servernum)
{
int rc = 0;
http_client_t *p_http;
http_trans_t *p_tr;
if (!ctx)
return RC_INVALID_POINTER;
p_http = &ctx->http_to_ip_server[servernum];
rc = http_client_init(p_http, "Checking for IP# change");
if (rc != 0) {
return rc;
}
/* Prepare request for IP server */
p_tr = &ctx->http_transaction;
p_tr->req_len = get_req_for_ip_server(ctx, servernum);
if (ctx->dbg.level > 2) {
logit(LOG_DEBUG, "Querying DDNS server for my public IP#:");
logit(LOG_DEBUG, "%s", ctx->request_buf);
}
p_tr->p_req = (char *)ctx->request_buf;
p_tr->p_rsp = (char *)ctx->work_buf;
p_tr->max_rsp_len = ctx->work_buflen - 1; /* Save place for terminating \0 in string. */
p_tr->rsp_len = 0;
rc = http_client_transaction(p_http, &ctx->http_transaction);
p_tr->p_rsp[p_tr->rsp_len] = 0;
if (p_tr->status != 200)
rc = RC_DYNDNS_INVALID_RSP_FROM_IP_SERVER;
http_client_shutdown(p_http);
return rc;
}
