Move commands to cmd/ and move internal dependencies to internal/

1 files changed, 49 insertions, 0 deletions

diff --git a/internal/clients/tailclient.go b/internal/clients/tailclient.go
new file mode 100644
index 0000000..674ca36
--- /dev/null
+++ b/internal/clients/tailclient.go
@@ -0,0 +1,49 @@
+package clients
+
+import (
+	"fmt"
+	"runtime"
+	"strings"
+
+	"github.com/mimecast/dtail/internal/clients/handlers"
+	"github.com/mimecast/dtail/internal/clients/remote"
+	"github.com/mimecast/dtail/internal/omode"
+	"github.com/mimecast/dtail/internal/ssh/client"
+
+	gossh "golang.org/x/crypto/ssh"
+)
+
+// TailClient is used for tailing remote log files (opening, seeking to the end and returning only new incoming lines).
+type TailClient struct {
+	baseClient
+}
+
+// NewTailClient returns a new TailClient.
+func NewTailClient(args Args) (*TailClient, error) {
+	args.Mode = omode.TailClient
+
+	c := TailClient{
+		baseClient: baseClient{
+			Args:       args,
+			stop:       make(chan struct{}),
+			stopped:    make(chan struct{}),
+			throttleCh: make(chan struct{}, args.ConnectionsPerCPU*runtime.NumCPU()),
+			retry:      true,
+		},
+	}
+
+	c.init(c)
+
+	return &c, nil
+}
+
+func (c TailClient) makeConnection(server string, sshAuthMethods []gossh.AuthMethod, hostKeyCallback *client.HostKeyCallback) *remote.Connection {
+	conn := remote.NewConnection(server, c.UserName, sshAuthMethods, hostKeyCallback)
+	conn.Handler = handlers.NewClientHandler(server, c.PingTimeout)
+
+	for _, file := range strings.Split(c.Files, ",") {
+		conn.Commands = append(conn.Commands, fmt.Sprintf("%s %s regex %s", c.Mode.String(), file, c.Regex))
+	}
+
+	return conn
+}