- add missed change

src/engine/helper/HL_Process.cpp

@@ -1,7 +1,6 @@
 #include "HL_Process.h"
-#include "HL_String.h"
-
-#include <iostream>
+#include <thread>
+#include <memory>
 
 #ifdef TARGET_WIN
 # define popen _popen
@@ -33,7 +32,6 @@ std::string OsProcess::execCommand(const std::string& cmd)
 
     char* cmdline = (char*)_alloca(cmd.size()+1);
     strcpy(cmdline, StringHelper::replace(cmd, "/", "\\").c_str());
-    std::cout << cmdline << std::endl;
 
     BOOL fSuccess = CreateProcessA( NULL, cmdline, NULL, NULL, TRUE, CREATE_NEW_CONSOLE, NULL, NULL, &si, &pi);
     if (! fSuccess)
@@ -78,7 +76,14 @@ std::string OsProcess::execCommand(const std::string& cmd)
 
     return output;
 }
+
 #else
+
+#include <memory>
+#include <stdexcept>
+#include <sys/select.h>
+#include <fcntl.h>
+
 std::string OsProcess::execCommand(const std::string& cmd)
 {
     std::string cp = cmd;
@@ -96,4 +101,81 @@ std::string OsProcess::execCommand(const std::string& cmd)
     }
     return result;
 }
+
+#include <poll.h>
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <unistd.h>
+#include <vector>
+#include "helper/HL_String.h"
+
+std::shared_ptr<std::thread> OsProcess::asyncExecCommand(const std::string& cmdline,
+                                   std::function<void(const std::string& line)> callback,
+                                   bool& finish_flag)
+{
+    std::shared_ptr<std::thread> t = std::make_shared<std::thread>([cmdline, callback, &finish_flag]()
+    {
+        std::string cp = cmdline;
+        FILE* pipe = popen(cp.c_str(), "r");
+        if (!pipe)
+            throw std::runtime_error("Failed to run.");
+
+        char buffer[1024];
+        std::string lines;
+        std::string result = "";
+        int fno = fileno(pipe);
+
+        // Make it non blocking
+        fcntl(fno, F_SETFL, O_NONBLOCK);
+
+        while (!feof(pipe) && !finish_flag)
+        {
+            // Wait for more data
+            struct pollfd pfd{ .fd = fno, .events = POLLIN };
+
+            while (poll(&pfd, 1, 0) == 0 && !finish_flag)
+                ;
+
+            // Read data
+            if (finish_flag)
+                continue;
+
+            int r;
+            do
+            {
+                r = read(fno, buffer, sizeof(buffer)-1);
+                if (r > 0)
+                {
+                    buffer[r] = 0;
+                    lines += std::string(buffer);
+                }
+            }
+            while (r == sizeof(buffer) - 1);
+
+            if (lines.find("\n") != std::string::npos && callback)
+            {
+                std::string::size_type p = 0;
+                while (p < lines.size())
+                {
+                    std::string::size_type d = lines.find("\n", p);
+                    if (d != std::string::npos)
+                    {
+                        callback(StringHelper::trim(lines.substr(p, d-p)));
+                        p = d + 1;
+                    }
+                }
+
+                lines.erase(0, p);
+            }
+        }
+
+        if (pipe)
+            pclose(pipe);
+
+        finish_flag = true;
+    });
+
+    return t;
+}
+
 #endif