| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package openwhisk |
| |
| import ( |
| "fmt" |
| "io/ioutil" |
| "os" |
| "os/exec" |
| "runtime" |
| |
| "github.com/h2non/filetype" |
| ) |
| |
| // this is only to let test run on OSX |
| // it only recognizes OSX Mach 64 bit executable |
| // (magic number: facefeed + 64bit flag) |
| var mach64Type = filetype.NewType("mach", "darwin/mach") |
| |
| func mach64Matcher(buf []byte) bool { |
| return len(buf) > 4 && buf[0] == 0xcf && buf[1] == 0xfa && buf[2] == 0xed && buf[3] == 0xfe |
| } |
| |
| // check if the file exists and it is already compiled |
| func isCompiled(file string) bool { |
| _, err := os.Stat(file) |
| if err != nil { |
| return false |
| } |
| |
| buf, err := ioutil.ReadFile(file) |
| if err != nil { |
| Debug(err.Error()) |
| return false |
| } |
| // if this is mac add a matcher for mac |
| if runtime.GOOS == "darwin" { |
| filetype.AddMatcher(mach64Type, mach64Matcher) |
| } |
| |
| kind, err := filetype.Match(buf) |
| Debug("isCompiled: %s kind=%s", file, kind) |
| if err != nil { |
| Debug(err.Error()) |
| return false |
| } |
| if kind.Extension == "elf" { |
| return true |
| } |
| if kind.Extension == "mach" { |
| return true |
| } |
| return false |
| } |
| |
| // CompileAction will compile an anction in source format invoking a compiler |
| func (ap *ActionProxy) CompileAction(main string, srcDir string, binDir string) error { |
| if ap.compiler == "" { |
| return fmt.Errorf("No compiler defined") |
| } |
| |
| Debug("compiling: %s %s %s %s", ap.compiler, main, srcDir, binDir) |
| |
| var cmd *exec.Cmd |
| cmd = exec.Command(ap.compiler, main, srcDir, binDir) |
| cmd.Env = []string{"PATH=" + os.Getenv("PATH")} |
| |
| // gather stdout and stderr |
| out, err := cmd.CombinedOutput() |
| Debug("compiler out: %s, %v", out, err) |
| if err != nil { |
| return err |
| } |
| if len(out) > 0 { |
| return fmt.Errorf("%s", out) |
| } |
| return nil |
| } |