int main(int argc, char**argv)
{
time_t ti;
struct tm *foo;
time( &ti);
foo = localtime( &ti );
strftime(file_time, 20, "%Y-%m-%d-%H:%M:%S", foo);
// Register SIGINT handler
struct sigaction action;
memset(&action, 0, sizeof(struct sigaction));
action.sa_handler = term;
sigaction(SIGINT, &action, NULL);
sigaction(SIGUSR1, &action, NULL);
arg = parseArguments(argc, argv);
gettimeofday(&startTime, NULL);
sockfd = socket(AF_INET,SOCK_DGRAM, 0);
int res = hostnameToIp(arg.server, arg.server);
if(res != 0)
{
fprintf(stderr, "Error: Could not translate hostname to IP.");
exit(1);
}
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr=inet_addr(arg.server);
servaddr.sin_port=htons(arg.port);
arg.pid = fork();
if(arg.pid == 0)
{
receiveData(arg);
}
else if(arg.pid > 0)
{
sendData(arg);
}
else
{
fprintf(stderr, "Error: Fork error.\n");
exit(1);
}
term(SIGINT);
return 0;
}
int parseConfig(configuration *config)
{
FILE *configFile;
char buffert[PATH_MAX], realPathBuff[PATH_MAX];
char *line = NULL;
char value[256] = {'\0'};
size_t lineIndex = 0, len = sizeof(value);
sprintf(buffert, "%s/%s", config->rootDir, config->configPath);
realpath(buffert, realPathBuff);
if ((configFile = fopen(realPathBuff, "r")) == NULL) {
printf("CRITICAL: Unable to open config file %s, %s\n", config->accLogPath, strerror(errno));
return -1;
}
while( getline(&line, &len, configFile) != EOF )
{
lineIndex = 0;
// Ignore spaces
while (line[lineIndex] == ' ')
lineIndex++;
// Ignore commented and empty lines
if( line[lineIndex] != '#' && line[lineIndex] != '\n' )
{
// Parse the line
if (startsWith("Servername", line + lineIndex))
{
// Move pass variable name
lineIndex += strlen("Servername:");
readValue(lineIndex, line, value, sizeof(value));
// Check if value is an valid ip address
if (isValidIpAddress(value))
{
strncpy(config->servername, value, BUF_CFG);
}
// Otherwise check if it's an valid domain name and resolve it
else if(hostnameToIp(value))
{
strncpy(config->servername, value, BUF_CFG);
}
// Else this is not a valid config
else
printf("Invalid config, hostname\n");
}
else if (startsWith("Listen", line + lineIndex))
{
int port = 0;
// Move pass variable name
lineIndex += strlen("Listen:");
readValue(lineIndex, line, value, sizeof(value));
// Check if valid port number
if((port = atoi(value)) != 0 && port < 65536)
{
config->listenPort = port;
}
// Else invalid
else
{
printf("Invalid config, port\n");
}
}
else if (startsWith("Basedir", line + lineIndex))
{
// Move pass variable name
lineIndex += strlen("Basedir:");
readValue(lineIndex, line, value, sizeof(value));
// relative the root dir
sprintf(buffert, "%s/%s", config->rootDir, value);
// Get the realpath
if(realpath(buffert, realPathBuff) == NULL){
printf("Invalid config, basedirectory: %s, %s\n", realPathBuff, strerror(errno));
exit(-1);
}
// Change basedirectory to the realpath
strncpy(config->basedir, realPathBuff, BUF_CFG);
}
else if (startsWith("Method", line + lineIndex))
{
// Move pass variable name
lineIndex += strlen("Method:");
readValue(lineIndex, line, value, sizeof(value));
// If selected logging method is to a file
if((strcmp(value, "file")) == 0)
{
config->syslog = false;
if (startsWith("Access_logpath", line + lineIndex))
{
// Move pass variable name
lineIndex += strlen("Access_logpath:");
readValue(lineIndex, line, value, sizeof(value));
// relative the root dir
sprintf(buffert, "%s/%s", config->rootDir, value);
// Get the realpath
realpath(buffert, realPathBuff);
// Change accLogPath to the realpath
strncpy(config->accLogPath, realPathBuff, BUF_CFG);
}
else if (startsWith("Server_logpath", line + lineIndex))
{
// Move pass variable name
lineIndex += strlen("Server_logpath:");
readValue(lineIndex, line, value, sizeof(value));
// relative the root dir
sprintf(buffert, "%s/%s", config->rootDir, value);
// Get the realpath
realpath(buffert, realPathBuff);
// Change srvLogPath to the realpath
strncpy(config->srvLogPath, realPathBuff, BUF_CFG);
}
}
}
else if (startsWith("Fifo_path", line + lineIndex))
{
// Move pass variable name
lineIndex += strlen("Fifo_path:");
readValue(lineIndex, line, value, sizeof(value));
// relative the root dir
sprintf(buffert, "%s/%s", config->rootDir, value);
// Get the realpath
realpath(buffert, realPathBuff);
// Change srvLogPath to the realpath
strncpy(config->fifoPath, realPathBuff, BUF_CFG);
}
}
}
fclose(configFile);
return 0;
}
int main()
{
WSADATA wsa;
SOCKET s;
SOCKADDR_IN server_s;
const char * hostname = "pb-homework.appspot.com";
const char * link = "/var/11?secret=totalrecall";
int status;
int recv_size = 0;
char * ip;
char * content;
char * arrayelem;
char * result;
char buffer[20480];
int sum=0;
HOSTENT * host_info;
status = WSAStartup(MAKEWORD(2,2),&wsa);
if(status!=0){
puts("WSA Startup error");
return 1;
}
hostnameToIp(hostname,host_info,(char**)&ip);
printf("IP address is: %s.\n",ip);
setServerSockInfo((SOCKADDR_IN *)&server_s,ip,PB_PORT,AF_INET);
s = socket(AF_INET,SOCK_STREAM,NOT_SPECIFIED_PROTOCOL);
if(s == INVALID_SOCKET){
puts("socket creation problem");
WSACleanup();
return 1;
}
if(connect(s,(SOCKADDR*)&server_s,sizeof(SOCKADDR_IN)) == SOCKET_ERROR){
printf("CONNECTION ERROR");
closesocket(s);
WSACleanup();
return 1;
}
char request[200];
sprintf(request, "GET %s HTTP/1.1\nHost:%s\r\n\r\n",link, hostname);
printf("request is : %s\n\r\n",request);
send(s, request, strlen(request), NO_FLAGS);
recv_size = recv(s, buffer, MAX_BUFFER_SIZE, NO_FLAGS);
recvCheckForError(recv_size,s);
//content = strtok(buffer,"\n");
//
//for(int i = 0; i < 6; i++){
// content = strtok(NULL,"\n");
//}
httpToContent((char **)&content,buffer);
printf("ARRAY : %s\n",content);
arrayelem = strtok(content," ");
while(arrayelem!=NULL){
sum+=atoi(arrayelem);
arrayelem = strtok(NULL," ");
}
printf("SUM = %i",sum);
sprintf(result,"result=%i",sum);
sprintf(request,"POST %s HTTP/1.1\nHost:%s\r\nContent-Length:%d\r\n\r\n%s",link,hostname,strlen(result),result);
send(s, request, strlen(request), NO_FLAGS);
recv_size = recv(s, buffer, MAX_BUFFER_SIZE, NO_FLAGS);
recvCheckForError(recv_size,s);
puts(buffer);
closesocket(s);
WSACleanup();
return 0;
}
