/**
* This method will be invoked whene the rw.cli executes a command and
* requires a transport to send the message.
*/
static rw_status_t messaging_hook(NetconfReq *req, NetconfRsp **rsp)
{
// Send message to the CLI-AGENT and wait for a message back
unsigned msg_len = netconf_req__get_packed_size(NULL, req);
uint8_t msg_buf[msg_len];
rw_status_t status;
netconf_req__pack(NULL, req, msg_buf);
if (rwcli_agent_ch.in.fd.write == -1) {
RWTRACE_CRIT(rwcli_trace, RWTRACE_CATEGORY_RWCLI,
"Messaging not initialized, failed to execute the command");
return RW_STATUS_FAILURE;
}
// Consume any prvious unread messages on the stream
consume_unread_agent_messages();
// TODO handle EPIPE
write(rwcli_agent_ch.in.fd.write, (const void*)(&msg_len), sizeof(unsigned));
write(rwcli_agent_ch.in.fd.write, msg_buf, msg_len);
RWTRACE_DEBUG(rwcli_trace, RWTRACE_CATEGORY_RWCLI,
"\nSHELL: sent %d bytes to CLI-AGENT", msg_len);
status = recv_msg_from_agent(&msg_len);
if (status != RW_STATUS_SUCCESS) {
*rsp = NULL;
return status;
}
RWTRACE_DEBUG(rwcli_trace, RWTRACE_CATEGORY_RWCLI,
"\nSHELL: received %u bytes from CLI-AGENT msglen\n", msg_len);
rw_resp = netconf_rsp__unpack(NULL, msg_len, recv_buf);
if (rw_resp == NULL) {
RWTRACE_ERROR(rwcli_trace, RWTRACE_CATEGORY_RWCLI,
"\nReceived message unpack failed\n");
*rsp = NULL;
return RW_STATUS_FAILURE;
}
*rsp = rw_resp;
return RW_STATUS_SUCCESS;
}
/**
* Executes a request towards the specified agent and receives the response.
* The response is stored in rwcli_controller.recv_buf.
*
* @param[in] inst - Controller instance
* @param[in] agent_type - Agent on which the command is to be executed
* @param[in] msg_type - Message type
* @param[in] msg_buf - Reqest payload (encoded)
* @param[in] msg_len - Size of the Request payload
* @param[out] recv_msg_len - Size of the received message (encoded)
*
* @returns RW_STATUS_SUCCESS on success, RW_STATUS_FAILURE otherwise.
*/
static rw_status_t controller_execute(
rwcli_controller_t* inst,
rwcli_transport_mode_t agent_type,
rwcli_msg_type_t msg_type,
uint8_t* msg_buf,
unsigned msg_len,
unsigned* recv_msg_len)
{
rw_status_t status = RW_STATUS_SUCCESS;
if (!controller_is_channel_initialized(inst, agent_type)) {
RWTRACE_CRIT(inst->trace_ctxt, RWTRACE_CATEGORY_RWCLI,
"Messaging not initialized, failed to execute the command");
return RW_STATUS_FAILURE;
}
// Consume any previous unread messages on the stream
controller_consume_unread_agent_messages(inst, agent_type);
status = controller_send_to_agent(inst, agent_type, msg_type, msg_buf, msg_len);
if (status != RW_STATUS_SUCCESS) {
return status;
}
RWTRACE_DEBUG(inst->trace_ctxt, RWTRACE_CATEGORY_RWCLI,
"\nSHELL: sent %d bytes to CLI-AGENT", msg_len);
status = controller_recv_from_agent(inst, agent_type, recv_msg_len);
if (status != RW_STATUS_SUCCESS) {
return status;
}
RWTRACE_DEBUG(inst->trace_ctxt, RWTRACE_CATEGORY_RWCLI,
"\nSHELL: received %u bytes from CLI-AGENT msglen\n", *recv_msg_len);
return status;
}
static void init_rwtrace(rwvx_instance_ptr_t rwvx, char ** argv)
{
rw_status_t status;
char * cmdline;
status = rwtrace_ctx_category_severity_set(
rwvx->rwtrace,
RWTRACE_CATEGORY_RWMAIN,
RWTRACE_SEVERITY_DEBUG);
RW_ASSERT(status == RW_STATUS_SUCCESS);
status = rwtrace_ctx_category_destination_set(
rwvx->rwtrace,
RWTRACE_CATEGORY_RWMAIN,
RWTRACE_DESTINATION_CONSOLE);
RW_ASSERT(status == RW_STATUS_SUCCESS);
cmdline = g_strjoinv(" | ", argv);
RWTRACE_DEBUG(
rwvx->rwtrace,
RWTRACE_CATEGORY_RWMAIN,
"main() entered, cmdline = \"%s\"",
cmdline);
g_free(cmdline);
}