EchoTCP* echotcp_new(ShadowlibLogFunc log, int argc, char* argv[]) {
g_assert(log);
if(argc < 1) {
return NULL;
}
EchoTCP* etcp = g_new0(EchoTCP, 1);
etcp->log = log;
gchar* mode = argv[0];
gboolean isError = FALSE;
if(g_ascii_strncasecmp(mode, "client", 6) == 0)
{
if(argc < 2) {
isError = TRUE;
} else {
gchar* serverHostName = argv[1];
struct addrinfo* serverInfo;
if(getaddrinfo(serverHostName, NULL, NULL, &serverInfo) == -1) {
log(G_LOG_LEVEL_WARNING, __FUNCTION__, "unable to create client: error in getaddrinfo");
isError = TRUE;
} else {
in_addr_t serverIP = ((struct sockaddr_in*)(serverInfo->ai_addr))->sin_addr.s_addr;
etcp->client = _echotcp_newClient(log, serverIP);
}
freeaddrinfo(serverInfo);
}
}
else if (g_ascii_strncasecmp(mode, "server", 6) == 0)
{
char myHostName[128];
gint result = gethostname(myHostName, 128);
if(result == 0) {
struct addrinfo* myInfo;
if(getaddrinfo(myHostName, NULL, NULL, &myInfo) == -1) {
log(G_LOG_LEVEL_WARNING, __FUNCTION__, "unable to create server: error in getaddrinfo");
isError = TRUE;
} else {
in_addr_t myIP = ((struct sockaddr_in*)(myInfo->ai_addr))->sin_addr.s_addr;
log(G_LOG_LEVEL_INFO, __FUNCTION__, "binding to %s", inet_ntoa((struct in_addr){myIP}));
etcp->server = _echotcp_newServer(log, myIP);
}
freeaddrinfo(myInfo);
} else {
EchoTCP* echotcp_new(EchoLogFunc log, int argc, char* argv[]) {
g_assert(log);
if(argc < 1) {
return NULL;
}
EchoTCP* etcp = g_new0(EchoTCP, 1);
etcp->log = log;
gchar* mode = argv[0];
gboolean isError = FALSE;
if(g_ascii_strncasecmp(mode, "client", 6) == 0)
{
if(argc < 2) {
isError = TRUE;
} else {
gchar* serverHostName = argv[1];
struct addrinfo* serverInfo;
if(getaddrinfo(serverHostName, NULL, NULL, &serverInfo) == -1) {
log(G_LOG_LEVEL_WARNING, __FUNCTION__, "unable to create client: error in getaddrinfo");
isError = TRUE;
} else {
in_addr_t serverIP = ((struct sockaddr_in*)(serverInfo->ai_addr))->sin_addr.s_addr;
etcp->client = _echotcp_newClient(log, serverIP);
}
freeaddrinfo(serverInfo);
}
}
else if (g_ascii_strncasecmp(mode, "server", 6) == 0)
{
char myHostName[128];
gint result = gethostname(myHostName, 128);
if(result == 0) {
struct addrinfo* myInfo;
if(getaddrinfo(myHostName, NULL, NULL, &myInfo) == -1) {
log(G_LOG_LEVEL_WARNING, __FUNCTION__, "unable to create server: error in getaddrinfo");
isError = TRUE;
} else {
in_addr_t myIP = ((struct sockaddr_in*)(myInfo->ai_addr))->sin_addr.s_addr;
gchar ipStringBuffer[INET_ADDRSTRLEN+1];
memset(ipStringBuffer, 0, INET_ADDRSTRLEN+1);
inet_ntop(AF_INET, &myIP, ipStringBuffer, INET_ADDRSTRLEN);
log(G_LOG_LEVEL_INFO, __FUNCTION__, "binding to %s", ipStringBuffer);
etcp->server = _echotcp_newServer(log, myIP);
}
freeaddrinfo(myInfo);
} else {
log(G_LOG_LEVEL_WARNING, __FUNCTION__, "unable to create server: error in gethostname");
isError = TRUE;
}
}
else if (g_ascii_strncasecmp(mode, "loopback", 8) == 0)
{
in_addr_t serverIP = htonl(INADDR_LOOPBACK);
etcp->server = _echotcp_newServer(log, serverIP);
etcp->client = _echotcp_newClient(log, serverIP);
}
else if (g_ascii_strncasecmp(mode, "socketpair", 10) == 0)
{
_echotcp_newPair(log, &(etcp->client), &(etcp->server));
}
else {
isError = TRUE;
}
if(isError) {
g_free(etcp);
return NULL;
}
return etcp;
}
