gfcontext_t *BuildContextFromRequestString(char *request)
{
char *delimiter = " ";
char *saveptr;
printf("Parsing request string [%s]\n", request);
gfcontext_t *context = malloc(sizeof(gfcontext_t));
context->Scheme = ParseScheme(strtok_r(request, delimiter, &saveptr));
context->Method = ParseMethod(strtok_r(NULL, delimiter, &saveptr));
context->FilePath = strtok_r(NULL, delimiter, &saveptr);
context->Status = GF_OK;
if(context->Scheme == NO_SCHEME)
{
printf("Parsed scheme [%d] is not a known scheme.", context->Scheme);
context->Status = GF_ERROR;
return context;
}
if(context->Method == NO_METHOD)
{
printf("Parsed method [%d] is not a known method.", context->Method);
context->Status = GF_ERROR;
return context;
}
if(!IsValidFilePath(context->FilePath))
{
printf("Parsed file path [%s] is not a known path.", context->FilePath);
context->Status = GF_ERROR;
return context;
}
printf("Context.Scheme: %d\n", context->Scheme);
printf("Context.Method: %d\n", context->Method);
printf("Context.FilePath: %s\n", context->FilePath);
return context;
}
int main() {
int res = 0;
//chdir(WorkDir);
stdoutfd = dup(STDOUT_FILENO);
stderrfd = dup(STDERR_FILENO);
CreateConnection();
/*** when a connection comes ***/
for(;;) {
clilen = sizeof(cli_addr);
connfd = accept(listenfd, (struct sockaddr*)&cli_addr, &clilen);
if(clientCount < LISTEN_MAX_NUM) {
if(connfd < 0) {
printf("error: accept error (errno: %d - %s)\n", errno, strerror(errno));fflush(stdout);
close(connfd);
bzero(&curClient, sizeof(curClient));
bzero(&cli_addr, sizeof(cli_addr));
clilen = 0;
connfd = 0;
}
else {
printf("accept\n");fflush(stdout);
NewClient();
/*** read request ***/
if( (res = ReadRequest()) < 0) continue;
/*** send status response ***/
write(curClient.fd, contentType, strlen(contentType));
write(curClient.fd, status200, strlen(status200));
/*** fork a child process for client ***/
if( (childPid = fork()) == -1) {
printf("error: fork() error (errno: %d - %s)\n", errno, strerror(errno));fflush(stdout);
Disconnect();
}
else if(childPid == 0) {
/*** child process: client work environment ***/
close(listenfd);
listenfd = -1;
/*** parse headers ***/
char method[5];
char target[HEADER_MAX_LEN];
char queryString[HEADER_MAX_LEN];
ParseMethod(method, target, queryString);
/*** execute method ***/
ExectueMethod();
exit(0);
}
else {
/*** parent process ***/
close(connfd);
bzero(&curClient, sizeof(curClient));
bzero(&cli_addr, sizeof(cli_addr));
clilen = 0;
connfd = 0;
bzero(buffer, BUF_MAX_SIZE);
bzero(request, sizeof(request));
}
}
}
else {
printf("error: too many clients now (errno: %d - %s)\n", errno, strerror(errno));fflush(stdout);
close(connfd);
bzero(&cli_addr, sizeof(cli_addr));
clilen = 0;
connfd = 0;
}
}
return 0;
}
