TiagoRG
/
it2s-itss-facilities
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Getting radar interface state before assigning sockets

This commit is contained in:
Marco Correia 2021-08-30 18:04:37 +01:00
parent c6d8be21f3
commit cf1eb85c95
1 changed files with 80 additions and 68 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
src/cpm.c
View File

@ -47,30 +47,29 @@ S_INTERFACE_CONNECTION_T raw_socket;
S_OBJECT_CONTROL_T s_objectControl;
S_OBJECTS_T as_objects[NOF_OBJECTS];
int radar_ready(facilities_t* facilities){
// Create temporary ifr struct and socket to
// check if the radar interface is running i.e if the
// radar has booted up
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
bool waitingIncomingConnection(void){
// Listening to the socket (Waiting for incoming connection)
unsigned int len = sizeof(s_socket.s_client);
int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
if(listen(s_socket.i32_socket,1)<0){
syslog_err("Waiting for incoming requests failed...");
return false;
}
strncpy(ifr.ifr_name, facilities->dissemination->int_radar, sizeof(ifr.ifr_name));
if(ioctl(sock, SIOCGIFFLAGS, &ifr) <0)
syslog_err(" IOCTL failed, could not retrieve radar interface flags");
if((s_socket.i32_client = accept(s_socket.i32_socket, (struct sockaddr*)&s_socket.s_server, &len)) < 0){
syslog_err("Client disconnected...");
return false;
}
close(sock);
syslog_debug("Radar connected");
return true;
return (ifr.ifr_flags & IFF_UP) && (ifr.ifr_flags & IFF_RUNNING);
}
bool radar_connection(char* radar_port, facilities_t* facilities){
bool radar_connection(char* radar_port, facilities_t* facilities){
if(radar_ready(facilities) == 1){
if(facilities->dissemination->tmc_connect == false){
// Create TCP socket
@ -92,10 +91,21 @@ bool radar_connection(char* radar_port, facilities_t* facilities){
return false;
}
// Listening to the socket (Waiting for incoming connection)
unsigned int len = sizeof(s_socket.s_client);
if(!waitingIncomingConnection()){
if(listen(s_socket.i32_socket,1)<0){
syslog_err("Waiting for incoming requests failed...");
return false;
}
if((s_socket.i32_client = accept(s_socket.i32_socket, (struct sockaddr*)&s_socket.s_server, &len)) < 0){
syslog_err("Client disconnected...");
return false;
}
syslog_debug("Radar connected");
}
// Create RAW socket
@ -131,7 +141,9 @@ bool radar_connection(char* radar_port, facilities_t* facilities){
return true;
}else{
return false;
}
}
@ -728,7 +740,7 @@ void *cp_service(void *fc){
dissemination_reset_timer(facilities->dissemination, &facilities->epv,1);
}else{
is_radar_connected = waitingIncomingConnection();
is_radar_connected = radar_connection(RADAR_PORT,facilities);
}
}
}