int create_fd(const char *arg, int is_output, enum proto *proto, char *name, size_t max_name_size)
{
if (strncmp(arg, "udp:", 4) == 0 || strncmp(arg, "UDP:", 4) == 0) {
*proto = UDP;
arg += 4;
} else if (strncmp(arg, "tcp:", 4) == 0 || strncmp(arg, "TCP:", 4) == 0) {
*proto = TCP;
arg += 4;
} else if (strncmp(arg, "file:", 5) == 0) {
*proto = File;
arg += 5;
} else if (strncmp(arg, "eth:", 4) == 0) {
*proto = Eth;
arg += 4;
} else if (strcmp(arg, "null:") == 0) {
*proto = File;
arg = "/dev/null";
} else if (strcmp(arg, "zero:") == 0) {
*proto = File;
arg = "/dev/zero";
} else if (strcmp(arg, "stdin:") == 0) {
*proto = StdIn;
arg = "stdin";
} else if (strcmp(arg, "stdout:") == 0) {
*proto = StdOut;
arg = "stdout";
} else if (strcmp(arg, "stderr:") == 0) {
*proto = StdErr;
arg = "stderr";
} else if (strchr(arg, ':') != 0) {
*proto = UDP;
} else if (strcmp(arg, "-") == 0) {
*proto = is_output ? StdOut : StdIn;
arg = is_output ? "stdout" : "stdin";
} else {
*proto = File;
}
if (name != 0)
strncpy(name, arg, max_name_size);
switch (*proto) {
case UDP :
case TCP : return create_IP_socket(arg, is_output, *proto);
case File : return create_file(arg, is_output);
case Eth : return create_raw_eth_socket(arg, is_output);
case StdIn :
case StdOut:
case StdErr : return create_stdio(is_output, *proto);
default : fprintf(stderr, "Cannot create fd for unknown proto %d\n", *proto), exit(1);
}
}
int create_fd(char *arg, int is_output, enum proto *proto)
{
if (strncmp(arg, "udp:", 4) == 0 || strncmp(arg, "UDP:", 4) == 0) {
*proto = UDP;
arg += 4;
} else if (strncmp(arg, "tcp:", 4) == 0 || strncmp(arg, "TCP:", 4) == 0) {
*proto = TCP;
arg += 4;
} else if (strncmp(arg, "file:", 5) == 0) {
*proto = File;
arg += 5;
} else if (strncmp(arg, "eth:", 4) == 0) {
*proto = Eth;
arg += 4;
} else if (strncmp(arg, "stdin:", 6) == 0) {
*proto = StdIn;
arg = "stdin";
} else if (strncmp(arg, "stdout:", 7) == 0) {
*proto = StdOut;
arg = "stdout";
} else if (strncmp(arg, "stderr:", 7) == 0) {
*proto = StdErr;
arg = "stderr";
} else if (strchr(arg, ':') != 0) {
*proto = UDP;
} else if (strcmp(arg, "-") == 0) {
*proto = is_output ? StdOut : StdIn;
arg = is_output ? "stdout" : "stdin";
} else {
*proto = File;
}
if (is_output)
destination = arg;
else
source = arg;
switch (*proto) {
case UDP :
case TCP : return create_IP_socket(arg, is_output, *proto);
case File : return create_file(arg, is_output);
case Eth : return create_raw_eth_socket(arg, is_output);
case StdIn :
case StdOut:
case StdErr : return create_stdio(is_output, *proto);
}
}