mirror of
https://github.com/Netflix/dial-reference.git
synced 2026-06-10 03:39:57 +00:00
Added app manager IPC interface. Updated verions to 2.1
This commit is contained in:
jcli
@@ -1,28 +1,247 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "nf_appmanager.h"
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#include "mq_ipc.h"
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#include "jsmn.h"
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#include "url_lib.h"
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static char *defaultLaunchParam = "source_type=12";
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static char * mq_send_ch = "/fromAppManager";
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static char * mq_receive_ch = "/toAppManager";
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static char * mq_tx_msg_base = " {\"args\":\"%s\",\"message\":%d}";
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static int s_run_id = 0;
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typedef enum ControllerCommand {
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//-----------------------------------
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// Commands sent to AM
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//-----------------------------------
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CMD_CNT_START, // Launch the app
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CMD_CNT_HIDE, // Suspend app
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CMD_CNT_START_FROM_HIDE, // Resume app
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CMD_CNT_STOP=6, // Terminate app nicely because the user killed Netflix.
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CMD_CNT_GET_STATUS=8, // Provide status of the app
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}ControllerCommand_t;
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typedef enum ControllerResp {
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//-----------------------------------
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// Resp sent from AM
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//-----------------------------------
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RESP_OK,
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RESP_ERR,
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}ControllerResp_t;
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typedef enum NetflixStatus {
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//-----------------------------------
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// Netflix status
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//-----------------------------------
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STATUS_NETFLIX_RUNNING,
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STATUS_NETFLIX_HIDE1,
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STATUS_NETFLIX_HIDE2,
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STATUS_NETFLIX_STOPPED,
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}NetflixStatus_t;
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void errorMsg()
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{
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printf("\nIn this mode, a matching application manager must be started and listen on the appropriate IPC.\n\n");
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exit(1);
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}
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static int jsoneq(const char *json, jsmntok_t *tok, const char *s) {
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if (tok->type == JSMN_STRING && (int) strlen(s) == tok->end - tok->start &&
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strncmp(json + tok->start, s, tok->end - tok->start) == 0) {
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return 0;
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}
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return -1;
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}
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NetflixStatus_t parse_nf_state(char* json_str, jsmntok_t* tokens, int num_tokens)
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{
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for (int i=0; i<num_tokens; i++){
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if (jsoneq(json_str, &tokens[i], "state") == 0) {
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char * tempStr = strndup(json_str+tokens[i+1].start, tokens[i+1].end - tokens[i+1].start);
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printf ("token: %s\n", tempStr);
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NetflixStatus_t status = (NetflixStatus_t) (atoi(tempStr));
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free(tempStr);
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return status;
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}
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}
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return STATUS_NETFLIX_STOPPED;
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}
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DIALStatus get_nf_state()
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{
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//connect
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if (mq_ipc_connect(mq_send_ch, mq_receive_ch))
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exit(1);
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//send status request
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char tx_buf[64];
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snprintf(tx_buf, 64, mq_tx_msg_base, "", CMD_CNT_GET_STATUS);
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if (mq_ipc_send_timed(tx_buf, 2))
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errorMsg();
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//recieve status
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char rx_buf[512];
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if(mq_ipc_receive_timed(rx_buf, 512, 2))
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errorMsg();
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ATRACE("recieved: \n %s\n", rx_buf);
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mq_ipc_disconnect();
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// parse response
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jsmn_parser json_parser;
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jsmntok_t tokens[32]; /* We expect no more than 32 tokens */
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int num_tokens;
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jsmn_init(&json_parser);
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num_tokens = jsmn_parse(&json_parser, rx_buf, strlen(rx_buf), tokens, 32);
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// get status
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NetflixStatus_t am_status = parse_nf_state(rx_buf, tokens, num_tokens);
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switch (am_status){
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case STATUS_NETFLIX_HIDE1:
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case STATUS_NETFLIX_HIDE2:
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// hide state
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return kDIALStatusHide;
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break;
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case STATUS_NETFLIX_STOPPED:
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// stopped state
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return kDIALStatusStopped;
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break;
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case STATUS_NETFLIX_RUNNING:
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// running state
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return kDIALStatusRunning;
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break;
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default:
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// error state
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exit(1);
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}
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return kDIALStatusStopped;
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}
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ControllerResp_t parse_am_status(char* buf)
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{
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jsmn_parser json_parser;
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jsmntok_t tokens[32]; /* We expect no more than 32 tokens */
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int num_tokens;
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jsmn_init(&json_parser);
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num_tokens = jsmn_parse(&json_parser, buf, strlen(buf), tokens, 32);
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for (int i=0; i<num_tokens; i++){
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if (jsoneq(buf, &tokens[i], "state") == 0) {
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char * tempStr = strndup(buf+tokens[i+1].start, tokens[i+1].end - tokens[i+1].start);
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printf ("token: %s\n", tempStr);
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ControllerResp_t status = (ControllerResp_t) (atoi(tempStr));
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free(tempStr);
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return status;
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}
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}
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return RESP_ERR;
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}
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/******************* public API ********************/
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DIALStatus am_netflix_start(DIALServer *ds, const char *appname,
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const char *payload, const char *additionalDataUrl,
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DIAL_run_t *run_id, void *callback_data)
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{
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printf ("it's all wired..\n");
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return kDIALStatusRunning;
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DIALStatus current_state = get_nf_state();
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ATRACE("current state: %d\n", current_state);
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ATRACE ("start netflix via app manager..\n");
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char tx_buf[512];
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char rx_buf[512];
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mq_ipc_connect(mq_send_ch, mq_receive_ch);
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char sQueryParam[DIAL_MAX_PAYLOAD+DIAL_MAX_ADDITIONALURL+40];
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memset( sQueryParam, 0, sizeof(sQueryParam) );
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strcat( sQueryParam, "-Q ");
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strcat( sQueryParam, defaultLaunchParam );
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if(strlen(payload)){
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char * pUrlEncodedParams;
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pUrlEncodedParams = url_encode( payload );
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if( pUrlEncodedParams ){
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strcat( sQueryParam, "&dial=");
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strcat( sQueryParam, pUrlEncodedParams );
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free( pUrlEncodedParams );
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}
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}
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if(strlen(additionalDataUrl)){
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strcat(sQueryParam, "&");
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strcat(sQueryParam, additionalDataUrl);
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}
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switch (current_state) {
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case kDIALStatusHide:
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// resume Netflix
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snprintf(tx_buf, 512, mq_tx_msg_base, sQueryParam, CMD_CNT_START_FROM_HIDE);
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break;
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case kDIALStatusStopped:
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// start Netflix
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s_run_id++;
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snprintf(tx_buf, 512, mq_tx_msg_base, sQueryParam, CMD_CNT_START);
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break;
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default:
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// Already running. Just get status
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snprintf(tx_buf, 512, mq_tx_msg_base, "", CMD_CNT_GET_STATUS);
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break;
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}
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if (mq_ipc_send_timed(tx_buf, 2))
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errorMsg();
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if (mq_ipc_receive_timed(rx_buf, 512, 2))
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errorMsg();
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ATRACE("recieved: \n %s\n", rx_buf);
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mq_ipc_disconnect();
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return get_nf_state();
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}
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DIALStatus am_netflix_hide(DIALServer *ds, const char *app_name,
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DIAL_run_t *run_id, void *callback_data)
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{
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return kDIALStatusHide;
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//connect
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if (mq_ipc_connect(mq_send_ch, mq_receive_ch))
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exit(1);
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//send status request
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char tx_buf[64];
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snprintf(tx_buf, 64, mq_tx_msg_base, "", CMD_CNT_HIDE);
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if (mq_ipc_send_timed(tx_buf, 2))
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errorMsg();
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//recieve status
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char rx_buf[512];
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if(mq_ipc_receive_timed(rx_buf, 512, 2))
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errorMsg();
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ATRACE("recieved: \n %s\n", rx_buf);
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mq_ipc_disconnect();
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return get_nf_state();
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}
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DIALStatus am_netflix_status(DIALServer *ds, const char *appname,
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DIAL_run_t run_id, int* pCanStop, void *callback_data)
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{
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return kDIALStatusStopped;
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return get_nf_state();
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}
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void am_netflix_stop(DIALServer *ds, const char *appname, DIAL_run_t run_id,
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void *callback_data)
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{
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//connect
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if (mq_ipc_connect(mq_send_ch, mq_receive_ch))
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exit(1);
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//send status request
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char tx_buf[64];
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snprintf(tx_buf, 64, mq_tx_msg_base, "", CMD_CNT_STOP);
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if (mq_ipc_send_timed(tx_buf, 2))
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errorMsg();
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//recieve status
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char rx_buf[512];
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if(mq_ipc_receive_timed(rx_buf, 512, 2))
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errorMsg();
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ATRACE("recieved: \n %s\n", rx_buf);
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mq_ipc_disconnect();
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}
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