Use inherit flags for adb commands

Explicitly indicate, for each call, if stdout and stderr must be
inherited.

app/src/adb.c

@@ -112,7 +112,7 @@ show_adb_err_msg(enum sc_process_result err, const char *const argv[]) {
 
 static sc_pid
 adb_execute_p(const char *serial, const char *const adb_cmd[],
-              size_t len, sc_pipe *pout) {
+              size_t len, unsigned inherit, sc_pipe *pout) {
     int i;
     sc_pid pid;
 
@@ -132,10 +132,6 @@ adb_execute_p(const char *serial, const char *const adb_cmd[],
 
     memcpy(&argv[i], adb_cmd, len * sizeof(const char *));
     argv[len + i] = NULL;
-    unsigned inherit = SC_STDERR;
-    if (!pout) {
-        inherit |= SC_STDOUT;
-    }
     enum sc_process_result r =
         sc_process_execute_p(argv, &pid, inherit, NULL, pout, NULL);
     if (r != SC_PROCESS_SUCCESS) {
@@ -148,50 +144,54 @@ adb_execute_p(const char *serial, const char *const adb_cmd[],
 }
 
 sc_pid
-adb_execute(const char *serial, const char *const adb_cmd[], size_t len) {
+adb_execute(const char *serial, const char *const adb_cmd[], size_t len,
-    return adb_execute_p(serial, adb_cmd, len, NULL);
+            unsigned inherit) {
+    return adb_execute_p(serial, adb_cmd, len, inherit, NULL);
 }
 
 static sc_pid
 adb_exec_forward(const char *serial, uint16_t local_port,
-                 const char *device_socket_name) {
+                 const char *device_socket_name, unsigned inherit) {
     char local[4 + 5 + 1]; // tcp:PORT
     char remote[108 + 14 + 1]; // localabstract:NAME
     sprintf(local, "tcp:%" PRIu16, local_port);
     snprintf(remote, sizeof(remote), "localabstract:%s", device_socket_name);
     const char *const adb_cmd[] = {"forward", local, remote};
-    return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
+    return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd), inherit);
 }
 
 static sc_pid
-adb_exec_forward_remove(const char *serial, uint16_t local_port) {
+adb_exec_forward_remove(const char *serial, uint16_t local_port,
+                        unsigned inherit) {
     char local[4 + 5 + 1]; // tcp:PORT
     sprintf(local, "tcp:%" PRIu16, local_port);
     const char *const adb_cmd[] = {"forward", "--remove", local};
-    return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
+    return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd), inherit);
 }
 
 static sc_pid
 adb_exec_reverse(const char *serial, const char *device_socket_name,
-                 uint16_t local_port) {
+                 uint16_t local_port, unsigned inherit) {
     char local[4 + 5 + 1]; // tcp:PORT
     char remote[108 + 14 + 1]; // localabstract:NAME
     sprintf(local, "tcp:%" PRIu16, local_port);
     snprintf(remote, sizeof(remote), "localabstract:%s", device_socket_name);
     const char *const adb_cmd[] = {"reverse", remote, local};
-    return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
+    return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd), inherit);
 }
 
 static sc_pid
-adb_exec_reverse_remove(const char *serial, const char *device_socket_name) {
+adb_exec_reverse_remove(const char *serial, const char *device_socket_name,
+                        unsigned inherit) {
     char remote[108 + 14 + 1]; // localabstract:NAME
     snprintf(remote, sizeof(remote), "localabstract:%s", device_socket_name);
     const char *const adb_cmd[] = {"reverse", "--remove", remote};
-    return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
+    return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd), inherit);
 }
 
 static sc_pid
-adb_exec_push(const char *serial, const char *local, const char *remote) {
+adb_exec_push(const char *serial, const char *local, const char *remote,
+              unsigned inherit) {
 #ifdef __WINDOWS__
     // Windows will parse the string, so the paths must be quoted
     // (see sys/win/command.c)
@@ -207,7 +207,7 @@ adb_exec_push(const char *serial, const char *local, const char *remote) {
 #endif
 
     const char *const adb_cmd[] = {"push", local, remote};
-    sc_pid pid = adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
+    sc_pid pid = adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd), inherit);
 
 #ifdef __WINDOWS__
     free((void *) remote);
@@ -218,7 +218,7 @@ adb_exec_push(const char *serial, const char *local, const char *remote) {
 }
 
 static sc_pid
-adb_exec_install(const char *serial, const char *local) {
+adb_exec_install(const char *serial, const char *local, unsigned inherit) {
 #ifdef __WINDOWS__
     // Windows will parse the string, so the local name must be quoted
     // (see sys/win/command.c)
@@ -229,7 +229,7 @@ adb_exec_install(const char *serial, const char *local) {
 #endif
 
     const char *const adb_cmd[] = {"install", "-r", local};
-    sc_pid pid = adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
+    sc_pid pid = adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd), inherit);
 
 #ifdef __WINDOWS__
     free((void *) local);
@@ -239,58 +239,62 @@ adb_exec_install(const char *serial, const char *local) {
 }
 
 static sc_pid
-adb_exec_get_serialno(sc_pipe *pout) {
+adb_exec_get_serialno(unsigned inherit, sc_pipe *pout) {
     const char *const adb_cmd[] = {"get-serialno"};
-    return adb_execute_p(NULL, adb_cmd, ARRAY_LEN(adb_cmd), pout);
+    return adb_execute_p(NULL, adb_cmd, ARRAY_LEN(adb_cmd), inherit, pout);
 }
 
 bool
 adb_forward(struct sc_intr *intr, const char *serial, uint16_t local_port,
-            const char *device_socket_name) {
+            const char *device_socket_name, unsigned inherit) {
-    sc_pid pid = adb_exec_forward(serial, local_port, device_socket_name);
+    sc_pid pid =
+        adb_exec_forward(serial, local_port, device_socket_name, inherit);
     return sc_process_check_success_intr(intr, pid, "adb forward", true);
 }
 
 bool
 adb_forward_remove(struct sc_intr *intr, const char *serial,
-                   uint16_t local_port) {
+                   uint16_t local_port, unsigned inherit) {
-    sc_pid pid = adb_exec_forward_remove(serial, local_port);
+    sc_pid pid = adb_exec_forward_remove(serial, local_port, inherit);
     return sc_process_check_success_intr(intr, pid, "adb forward --remove",
                                          true);
 }
 
 bool
 adb_reverse(struct sc_intr *intr, const char *serial,
-            const char *device_socket_name, uint16_t local_port) {
+            const char *device_socket_name, uint16_t local_port,
-    sc_pid pid = adb_exec_reverse(serial, device_socket_name, local_port);
+            unsigned inherit) {
+    sc_pid pid =
+        adb_exec_reverse(serial, device_socket_name, local_port, inherit);
     return sc_process_check_success_intr(intr, pid, "adb reverse", true);
 }
 
 bool
 adb_reverse_remove(struct sc_intr *intr, const char *serial,
-                   const char *device_socket_name) {
+                   const char *device_socket_name, unsigned inherit) {
-    sc_pid pid = adb_exec_reverse_remove(serial, device_socket_name);
+    sc_pid pid = adb_exec_reverse_remove(serial, device_socket_name, inherit);
     return sc_process_check_success_intr(intr, pid, "adb reverse --remove",
                                          true);
 }
 
 bool
 adb_push(struct sc_intr *intr, const char *serial, const char *local,
-         const char *remote) {
+         const char *remote, unsigned inherit) {
-    sc_pid pid = adb_exec_push(serial, local, remote);
+    sc_pid pid = adb_exec_push(serial, local, remote, inherit);
     return sc_process_check_success_intr(intr, pid, "adb push", true);
 }
 
 bool
-adb_install(struct sc_intr *intr, const char *serial, const char *local) {
+adb_install(struct sc_intr *intr, const char *serial, const char *local,
-    sc_pid pid = adb_exec_install(serial, local);
+            unsigned inherit) {
+    sc_pid pid = adb_exec_install(serial, local, inherit);
     return sc_process_check_success_intr(intr, pid, "adb install", true);
 }
 
 char *
-adb_get_serialno(struct sc_intr *intr) {
+adb_get_serialno(struct sc_intr *intr, unsigned inherit) {
     sc_pipe pout;
-    sc_pid pid = adb_exec_get_serialno(&pout);
+    sc_pid pid = adb_exec_get_serialno(inherit, &pout);
     if (pid == SC_PROCESS_NONE) {
         LOGE("Could not execute \"adb get-serialno\"");
         return NULL;

app/src/adb.h

@@ -9,30 +9,33 @@
 #include "util/intr.h"
 
 sc_pid
-adb_execute(const char *serial, const char *const adb_cmd[], size_t len);
+adb_execute(const char *serial, const char *const adb_cmd[], size_t len,
+            unsigned inherit);
 
 bool
 adb_forward(struct sc_intr *intr, const char *serial, uint16_t local_port,
-            const char *device_socket_name);
+            const char *device_socket_name, unsigned inherit);
 
 bool
 adb_forward_remove(struct sc_intr *intr, const char *serial,
-                   uint16_t local_port);
+                   uint16_t local_port, unsigned inherit);
 
 bool
 adb_reverse(struct sc_intr *intr, const char *serial,
-            const char *device_socket_name, uint16_t local_port);
+            const char *device_socket_name, uint16_t local_port,
+            unsigned inherit);
 
 bool
 adb_reverse_remove(struct sc_intr *intr, const char *serial,
-                   const char *device_socket_name);
+                   const char *device_socket_name, unsigned inherit);
 
 bool
 adb_push(struct sc_intr *intr, const char *serial, const char *local,
-         const char *remote);
+         const char *remote, unsigned inherit);
 
 bool
-adb_install(struct sc_intr *intr, const char *serial, const char *local);
+adb_install(struct sc_intr *intr, const char *serial, const char *local,
+            unsigned inherit);
 
 /**
  * Execute `adb get-serialno`
@@ -40,6 +43,6 @@ adb_install(struct sc_intr *intr, const char *serial, const char *local);
  * Return the result, to be freed by the caller, or NULL on error.
  */
 char *
-adb_get_serialno(struct sc_intr *intr);
+adb_get_serialno(struct sc_intr *intr, unsigned inherit);
 
 #endif

app/src/adb_tunnel.c

@@ -20,7 +20,7 @@ enable_tunnel_reverse_any_port(struct sc_adb_tunnel *tunnel,
                                struct sc_port_range port_range) {
     uint16_t port = port_range.first;
     for (;;) {
-        if (!adb_reverse(intr, serial, SC_SOCKET_NAME, port)) {
+        if (!adb_reverse(intr, serial, SC_SOCKET_NAME, port, SC_STDERR)) {
             // the command itself failed, it will fail on any port
             return false;
         }
@@ -51,7 +51,7 @@ enable_tunnel_reverse_any_port(struct sc_adb_tunnel *tunnel,
         }
 
         // failure, disable tunnel and try another port
-        if (!adb_reverse_remove(intr, serial, SC_SOCKET_NAME)) {
+        if (!adb_reverse_remove(intr, serial, SC_SOCKET_NAME, SC_STDERR)) {
             LOGW("Could not remove reverse tunnel on port %" PRIu16, port);
         }
 
@@ -81,7 +81,7 @@ enable_tunnel_forward_any_port(struct sc_adb_tunnel *tunnel,
 
     uint16_t port = port_range.first;
     for (;;) {
-        if (adb_forward(intr, serial, port, SC_SOCKET_NAME)) {
+        if (adb_forward(intr, serial, port, SC_SOCKET_NAME, SC_STDERR)) {
             // success
             tunnel->local_port = port;
             tunnel->enabled = true;
@@ -146,9 +146,9 @@ sc_adb_tunnel_close(struct sc_adb_tunnel *tunnel, struct sc_intr *intr,
 
     bool ret;
     if (tunnel->forward) {
-        ret = adb_forward_remove(intr, serial, tunnel->local_port);
+        ret = adb_forward_remove(intr, serial, tunnel->local_port, SC_STDERR);
     } else {
-        ret = adb_reverse_remove(intr, serial, SC_SOCKET_NAME);
+        ret = adb_reverse_remove(intr, serial, SC_SOCKET_NAME, SC_STDERR);
 
         assert(tunnel->server_socket != SC_SOCKET_NONE);
         if (!net_close(tunnel->server_socket)) {

app/src/file_handler.c

@@ -128,7 +128,8 @@ run_file_handler(void *data) {
 
         if (req.action == ACTION_INSTALL_APK) {
             LOGI("Installing %s...", req.file);
-            bool ok = adb_install(intr, serial, req.file);
+            bool ok =
+                adb_install(intr, serial, req.file, SC_STDOUT | SC_STDERR);
             if (ok) {
                 LOGI("%s successfully installed", req.file);
             } else {
@@ -136,7 +137,8 @@ run_file_handler(void *data) {
             }
         } else {
             LOGI("Pushing %s...", req.file);
-            bool ok = adb_push(intr, serial, req.file, push_target);
+            bool ok = adb_push(intr, serial, req.file, push_target,
+                               SC_STDOUT | SC_STDERR);
             if (ok) {
                 LOGI("%s successfully pushed to %s", req.file, push_target);
             } else {

app/src/server.c

@@ -112,7 +112,8 @@ push_server(struct sc_intr *intr, const char *serial) {
         free(server_path);
         return false;
     }
-    bool ok = adb_push(intr, serial, server_path, SC_DEVICE_SERVER_PATH);
+    bool ok = adb_push(intr, serial, server_path, SC_DEVICE_SERVER_PATH,
+                       SC_STDERR);
     free(server_path);
     return ok;
 }
@@ -198,7 +199,8 @@ execute_server(struct sc_server *server,
     //     Port: 5005
     // Then click on "Debug"
 #endif
-    return adb_execute(serial, cmd, ARRAY_LEN(cmd));
+    // Inherit both stdout and stderr (all server logs are printed to stdout)
+    return adb_execute(serial, cmd, ARRAY_LEN(cmd), SC_STDOUT | SC_STDERR);
 }
 
 static bool
@@ -430,7 +432,7 @@ sc_server_fill_serial(struct sc_server *server) {
     // device/emulator" error)
     if (!server->params.serial) {
         // The serial is owned by sc_server_params, and will be freed on destroy
-        server->params.serial = adb_get_serialno(&server->intr);
+        server->params.serial = adb_get_serialno(&server->intr, SC_STDERR);
         if (!server->params.serial) {
             LOGE("Could not get device serial");
             return false;