diff options
Diffstat (limited to 'native/android/net.c')
-rw-r--r-- | native/android/net.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/native/android/net.c b/native/android/net.c index a8104fc23041..d4b888845b27 100644 --- a/native/android/net.c +++ b/native/android/net.c @@ -22,12 +22,13 @@ #include <stdlib.h> #include <sys/limits.h> +// This value MUST be kept in sync with the corresponding value in +// the android.net.Network#getNetworkHandle() implementation. +static const uint32_t kHandleMagic = 0xcafed00d; +static const uint32_t kHandleMagicSize = 32; static int getnetidfromhandle(net_handle_t handle, unsigned *netid) { static const uint32_t k32BitMask = 0xffffffff; - // This value MUST be kept in sync with the corresponding value in - // the android.net.Network#getNetworkHandle() implementation. - static const uint32_t kHandleMagic = 0xcafed00d; // Check for minimum acceptable version of the API in the low bits. if (handle != NETWORK_UNSPECIFIED && @@ -41,6 +42,12 @@ static int getnetidfromhandle(net_handle_t handle, unsigned *netid) { return 1; } +static net_handle_t gethandlefromnetid(unsigned netid) { + if (netid == NETID_UNSET) { + return NETWORK_UNSPECIFIED; + } + return (((net_handle_t) netid) << kHandleMagicSize) | kHandleMagic; +} int android_setsocknetwork(net_handle_t network, int fd) { unsigned netid; @@ -72,6 +79,17 @@ int android_setprocnetwork(net_handle_t network) { return rval; } +int android_getprocnetwork(net_handle_t *network) { + if (network == NULL) { + errno = EINVAL; + return -1; + } + + unsigned netid = getNetworkForProcess(); + *network = gethandlefromnetid(netid); + return 0; +} + int android_getaddrinfofornetwork(net_handle_t network, const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res) { |