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#include "unix-sockets.h"
PROCESSX_STATIC int processx_socket_connect(const char *filename,
processx_socket_t *pxsocket) {
#ifdef _WIN32
HANDLE hnd;
SECURITY_ATTRIBUTES sa;
DWORD access = GENERIC_READ | GENERIC_WRITE;
DWORD attr = FILE_ATTRIBUTE_NORMAL;
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
hnd = CreateFileA(
filename,
access,
0,
&sa,
OPEN_EXISTING,
attr,
NULL
);
if (hnd == INVALID_HANDLE_VALUE) {
return -1;
} else {
*pxsocket = hnd;
return 0;
}
#else
struct sockaddr_un addr;
int fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd == -1) {
return -1;
}
memset(&addr, 0, sizeof(struct sockaddr_un));
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, filename, sizeof(addr.sun_path) - 1);
int ret = connect(
fd,
(struct sockaddr *) &addr,
sizeof(struct sockaddr_un)
);
if (ret == -1) {
return -1;
}
*pxsocket = fd;
return 0;
#endif
}
PROCESSX_STATIC ssize_t processx_socket_read(processx_socket_t *pxsocket,
void *buf,
size_t nbyte) {
#ifdef _WIN32
DWORD got;
BOOL ok = ReadFile(
/* hFile = */ *pxsocket,
/* lpBuffer = */ buf,
/* nNumberOfBytesToRead = */ nbyte,
/* lpNumberOfBytesRead = */ &got,
/* lpOverlapped = */ NULL
);
if (!ok) {
return -1;
} else {
return got;
}
#else
return read(*pxsocket, buf, nbyte);
#endif
}
PROCESSX_STATIC ssize_t processx_socket_write(processx_socket_t *pxsocket,
void *buf,
size_t nbyte) {
#ifdef _WIN32
DWORD did;
BOOL ok = WriteFile(
/* hFile = */ *pxsocket,
/* lpBuffer = */ buf,
/* nNumberOfBytesToWrite = */ nbyte,
/* lpNumberOfBytesWritten = */ &did,
/* lpOverlapped = */ NULL
);
if (!ok) {
return -1;
} else {
return did;
}
#else
return write(*pxsocket, buf, nbyte);
#endif
}
PROCESSX_STATIC int processx_socket_close(processx_socket_t *pxsocket) {
#ifdef _WIN32
BOOL ok = CloseHandle(*pxsocket);
if (!ok) {
return -1;
} else {
return 0;
}
#else
return close(*pxsocket);
#endif
}
PROCESSX_STATIC const char* processx_socket_error_message(void) {
#ifdef _WIN32
#define ERRORBUF_SIZE 4096
static char errorbuf[ERRORBUF_SIZE];
LPVOID lpMsgBuf;
char *failmsg = "Formatting the system message failed :(";
char *realsysmsg = failmsg;
DWORD errorcode = GetLastError();
DWORD ret = FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
errorcode,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpMsgBuf,
0,
NULL
);
if (ret != 0) {
memset(errorbuf, 0, sizeof(errorbuf));
strncpy(errorbuf, lpMsgBuf, sizeof(errorbuf) - 1);
realsysmsg = errorbuf;
LocalFree(lpMsgBuf);
}
return realsysmsg;
#else
return strerror(errno);
#endif
}
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