diff options
Diffstat (limited to 'lib/server/ServerControl.cpp')
| -rw-r--r-- | lib/server/ServerControl.cpp | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/lib/server/ServerControl.cpp b/lib/server/ServerControl.cpp new file mode 100644 index 00000000..c4668b57 --- /dev/null +++ b/lib/server/ServerControl.cpp @@ -0,0 +1,227 @@ +#include "Box.h" + +#include <errno.h> + +#ifdef HAVE_SYS_TYPES_H + #include <sys/types.h> +#endif + +#ifdef HAVE_SYS_WAIT_H + #include <sys/wait.h> +#endif + +#ifdef HAVE_SIGNAL_H + #include <signal.h> +#endif + +#include "ServerControl.h" +#include "Test.h" + +#ifdef WIN32 + +#include "WinNamedPipeStream.h" +#include "IOStreamGetLine.h" +#include "BoxPortsAndFiles.h" + +static std::string sPipeName; + +void SetNamedPipeName(const std::string& rPipeName) +{ + sPipeName = rPipeName; +} + +bool SendCommands(const std::string& rCmd) +{ + WinNamedPipeStream connection; + + try + { + connection.Connect(sPipeName); + } + catch(...) + { + BOX_ERROR("Failed to connect to daemon control socket"); + return false; + } + + // For receiving data + IOStreamGetLine getLine(connection); + + // Wait for the configuration summary + std::string configSummary; + if(!getLine.GetLine(configSummary)) + { + BOX_ERROR("Failed to receive configuration summary from daemon"); + return false; + } + + // Was the connection rejected by the server? + if(getLine.IsEOF()) + { + BOX_ERROR("Server rejected the connection"); + return false; + } + + // Decode it + int autoBackup, updateStoreInterval, minimumFileAge, maxUploadWait; + if(::sscanf(configSummary.c_str(), "bbackupd: %d %d %d %d", + &autoBackup, &updateStoreInterval, + &minimumFileAge, &maxUploadWait) != 4) + { + BOX_ERROR("Config summary didn't decode"); + return false; + } + + std::string cmds; + bool expectResponse; + + if (rCmd != "") + { + cmds = rCmd; + cmds += "\nquit\n"; + expectResponse = true; + } + else + { + cmds = "quit\n"; + expectResponse = false; + } + + connection.Write(cmds.c_str(), cmds.size()); + + // Read the response + std::string line; + bool statusOk = !expectResponse; + + while (expectResponse && !getLine.IsEOF() && getLine.GetLine(line)) + { + // Is this an OK or error line? + if (line == "ok") + { + statusOk = true; + } + else if (line == "error") + { + BOX_ERROR(rCmd); + break; + } + else + { + BOX_WARNING("Unexpected response to command '" << + rCmd << "': " << line) + } + } + + return statusOk; +} + +bool HUPServer(int pid) +{ + return SendCommands("reload"); +} + +bool KillServerInternal(int pid) +{ + HANDLE hProcess = OpenProcess(PROCESS_TERMINATE, false, pid); + if (hProcess == NULL) + { + BOX_ERROR("Failed to open process " << pid << ": " << + GetErrorMessage(GetLastError())); + return false; + } + + if (!TerminateProcess(hProcess, 1)) + { + BOX_ERROR("Failed to terminate process " << pid << ": " << + GetErrorMessage(GetLastError())); + CloseHandle(hProcess); + return false; + } + + CloseHandle(hProcess); + return true; +} + +#else // !WIN32 + +bool HUPServer(int pid) +{ + if(pid == 0) return false; + return ::kill(pid, SIGHUP) == 0; +} + +bool KillServerInternal(int pid) +{ + if(pid == 0 || pid == -1) return false; + bool killed = (::kill(pid, SIGTERM) == 0); + if (!killed) + { + BOX_LOG_SYS_ERROR("Failed to kill process " << pid); + } + TEST_THAT(killed); + return killed; +} + +#endif // WIN32 + +bool KillServer(int pid, bool WaitForProcess) +{ + if (!KillServerInternal(pid)) + { + return false; + } + + #ifdef HAVE_WAITPID + if (WaitForProcess) + { + int status, result; + + result = waitpid(pid, &status, 0); + if (result != pid) + { + BOX_LOG_SYS_ERROR("waitpid failed"); + } + TEST_THAT(result == pid); + + TEST_THAT(WIFEXITED(status)); + if (WIFEXITED(status)) + { + if (WEXITSTATUS(status) != 0) + { + BOX_WARNING("process exited with code " << + WEXITSTATUS(status)); + } + TEST_THAT(WEXITSTATUS(status) == 0); + } + } + #endif + + for (int i = 0; i < 30; i++) + { + if (i == 0) + { + printf("Waiting for server to die (pid %d): ", pid); + } + + printf("."); + fflush(stdout); + + if (!ServerIsAlive(pid)) break; + ::sleep(1); + if (!ServerIsAlive(pid)) break; + } + + if (!ServerIsAlive(pid)) + { + printf(" done.\n"); + } + else + { + printf(" failed!\n"); + } + + fflush(stdout); + + return !ServerIsAlive(pid); +} + |