STATIC int cc3k_socket_socket(mod_network_socket_obj_t *socket, int *_errno) {
if (socket->u_param.domain != MOD_NETWORK_AF_INET) {
*_errno = MP_EAFNOSUPPORT;
return -1;
}
mp_uint_t type;
switch (socket->u_param.type) {
case MOD_NETWORK_SOCK_STREAM: type = SOCK_STREAM; break;
case MOD_NETWORK_SOCK_DGRAM: type = SOCK_DGRAM; break;
case MOD_NETWORK_SOCK_RAW: type = SOCK_RAW; break;
default: *_errno = MP_EINVAL; return -1;
}
// open socket
int fd = CC3000_EXPORT(socket)(AF_INET, type, 0);
if (fd < 0) {
*_errno = CC3000_EXPORT(errno);
return -1;
}
// clear socket state
cc3k_reset_fd_closed_state(fd);
// store state of this socket
socket->u_state = fd;
// make accept blocking by default
int optval = SOCK_OFF;
socklen_t optlen = sizeof(optval);
CC3000_EXPORT(setsockopt)(socket->u_state, SOL_SOCKET, SOCKOPT_ACCEPT_NONBLOCK, &optval, optlen);
return 0;
}
STATIC int cc3k_gethostbyname(mp_obj_t nic, const char *name, mp_uint_t len, uint8_t *out_ip) {
uint32_t ip;
if (CC3000_EXPORT(gethostbyname)((char*)name, len, &ip) < 0) {
return CC3000_EXPORT(errno);
}
if (ip == 0) {
// unknown host
return ENOENT;
}
out_ip[0] = ip >> 24;
out_ip[1] = ip >> 16;
out_ip[2] = ip >> 8;
out_ip[3] = ip;
return 0;
}
STATIC int cc3k_gethostbyname(mp_obj_t nic, const char *name, mp_uint_t len, uint8_t *out_ip) {
uint32_t ip;
// CC3000 gethostbyname is unreliable and usually returns -95 on first call
for (int retry = 5; CC3000_EXPORT(gethostbyname)((char*)name, len, &ip) < 0; retry--) {
if (retry == 0 || CC3000_EXPORT(errno) != -95) {
return CC3000_EXPORT(errno);
}
HAL_Delay(50);
}
if (ip == 0) {
// unknown host
return ENOENT;
}
out_ip[0] = ip >> 24;
out_ip[1] = ip >> 16;
out_ip[2] = ip >> 8;
out_ip[3] = ip;
return 0;
}
STATIC void cc3k_socket_close(mod_network_socket_obj_t *socket) {
CC3000_EXPORT(closesocket)(socket->u_state);
}
// make accept blocking by default
int optval = SOCK_OFF;
socklen_t optlen = sizeof(optval);
CC3000_EXPORT(setsockopt)(socket->u_state, SOL_SOCKET, SOCKOPT_ACCEPT_NONBLOCK, &optval, optlen);
return 0;
}
STATIC void cc3k_socket_close(mod_network_socket_obj_t *socket) {
CC3000_EXPORT(closesocket)(socket->u_state);
}
STATIC int cc3k_socket_bind(mod_network_socket_obj_t *socket, byte *ip, mp_uint_t port, int *_errno) {
MAKE_SOCKADDR(addr, ip, port)
int ret = CC3000_EXPORT(bind)(socket->u_state, &addr, sizeof(addr));
if (ret != 0) {
*_errno = ret;
return -1;
}
return 0;
}
STATIC int cc3k_socket_listen(mod_network_socket_obj_t *socket, mp_int_t backlog, int *_errno) {
int ret = CC3000_EXPORT(listen)(socket->u_state, backlog);
if (ret != 0) {
*_errno = ret;
return -1;
}
return 0;
}
