add support for a user-configurable log level
[project/netifd.git] / proto-shell.c
index bc74de9..68af69b 100644 (file)
@@ -18,7 +18,7 @@
 #include "interface-ip.h"
 #include "proto.h"
 
-static int proto_fd;
+static struct netifd_fd proto_fd;
 
 struct proto_shell_handler {
        struct list_head list;
@@ -36,62 +36,21 @@ struct proto_shell_state {
        struct device_user l3_dev;
 
        struct uloop_timeout setup_timeout;
-       struct uloop_process setup_task;
-       struct uloop_process teardown_task;
+       struct netifd_process setup_task;
+       struct netifd_process teardown_task;
        bool teardown_pending;
        bool teardown_wait_task;
 
-       struct uloop_process proto_task;
+       struct netifd_process proto_task;
 };
 
-static void
-kill_process(struct uloop_process *proc)
-{
-       if (!proc->pending)
-               return;
-
-       kill(proc->pid, SIGTERM);
-       uloop_process_delete(proc);
-}
-
-static int
-start_process(const char **argv, char **env, struct uloop_process *proc)
-{
-       int pid;
-
-       kill_process(proc);
-
-       if ((pid = fork()) < 0)
-               return -1;
-
-       if (!pid) {
-               if (env) {
-                       while (*env) {
-                               putenv(*env);
-                               env++;
-                       }
-               }
-               fchdir(proto_fd);
-               execvp(argv[0], (char **) argv);
-               exit(127);
-       }
-
-       if (pid < 0)
-               return -1;
-
-       proc->pid = pid;
-       uloop_process_add(proc);
-
-       return 0;
-}
-
 static int
 proto_shell_handler(struct interface_proto_state *proto,
                    enum interface_proto_cmd cmd, bool force)
 {
        struct proto_shell_state *state;
        struct proto_shell_handler *handler;
-       struct uloop_process *proc;
+       struct netifd_process *proc;
        const char *argv[6];
        const char *action;
        char *config;
@@ -106,9 +65,9 @@ proto_shell_handler(struct interface_proto_state *proto,
        } else {
                action = "teardown";
                proc = &state->teardown_task;
-               if (state->setup_task.pending && !state->teardown_wait_task) {
+               if (state->setup_task.uloop.pending && !state->teardown_wait_task) {
                        uloop_timeout_set(&state->setup_timeout, 1000);
-                       kill(state->setup_task.pid, SIGTERM);
+                       kill(state->setup_task.uloop.pid, SIGTERM);
                        state->teardown_pending = true;
                        return 0;
                }
@@ -127,7 +86,7 @@ proto_shell_handler(struct interface_proto_state *proto,
                argv[i++] = proto->iface->main_dev.dev->ifname;
        argv[i] = NULL;
 
-       ret = start_process(argv, NULL, proc);
+       ret = netifd_start_process(argv, NULL, proc);
        free(config);
 
        return ret;
@@ -139,11 +98,11 @@ proto_shell_setup_timeout_cb(struct uloop_timeout *timeout)
        struct proto_shell_state *state;
 
        state = container_of(timeout, struct proto_shell_state, setup_timeout);
-       kill(state->setup_task.pid, SIGKILL);
+       kill(state->setup_task.uloop.pid, SIGKILL);
 }
 
 static void
-proto_shell_setup_cb(struct uloop_process *p, int ret)
+proto_shell_setup_cb(struct netifd_process *p, int ret)
 {
        struct proto_shell_state *state;
 
@@ -156,7 +115,7 @@ proto_shell_setup_cb(struct uloop_process *p, int ret)
 }
 
 static void
-proto_shell_teardown_cb(struct uloop_process *p, int ret)
+proto_shell_teardown_cb(struct netifd_process *p, int ret)
 {
        struct proto_shell_state *state;
 
@@ -165,7 +124,7 @@ proto_shell_teardown_cb(struct uloop_process *p, int ret)
        if (state->teardown_wait_task)
                return;
 
-       kill_process(&state->proto_task);
+       netifd_kill_process(&state->proto_task);
 
        if (state->l3_dev.dev)
                device_remove_user(&state->l3_dev);
@@ -174,7 +133,7 @@ proto_shell_teardown_cb(struct uloop_process *p, int ret)
 }
 
 static void
-proto_shell_task_cb(struct uloop_process *p, int ret)
+proto_shell_task_cb(struct netifd_process *p, int ret)
 {
        struct proto_shell_state *state;
        bool teardown_wait_task;
@@ -183,7 +142,7 @@ proto_shell_task_cb(struct uloop_process *p, int ret)
 
        teardown_wait_task = state->teardown_wait_task;
        state->teardown_wait_task = false;
-       if (state->teardown_pending || state->teardown_task.pending)
+       if (state->teardown_pending || state->teardown_task.uloop.pending)
                return;
 
        if (teardown_wait_task) {
@@ -442,7 +401,7 @@ proto_shell_run_command(struct proto_shell_state *state, struct blob_attr **tb)
        if (!fill_string_list(tb[NOTIFY_ENV], env, ARRAY_SIZE(env)))
                goto error;
 
-       start_process((const char **) argv, (char **) env, &state->proto_task);
+       netifd_start_process((const char **) argv, (char **) env, &state->proto_task);
 
        return 0;
 
@@ -461,8 +420,8 @@ proto_shell_kill_command(struct proto_shell_state *state, struct blob_attr **tb)
        if (signal > 31)
                signal = SIGTERM;
 
-       if (state->proto_task.pending) {
-               kill(state->proto_task.pid, signal);
+       if (state->proto_task.uloop.pending) {
+               kill(state->proto_task.uloop.pid, signal);
                state->teardown_wait_task = true;
        }
 
@@ -510,8 +469,14 @@ proto_shell_attach(const struct proto_handler *h, struct interface *iface,
        state->proto.cb = proto_shell_handler;
        state->setup_timeout.cb = proto_shell_setup_timeout_cb;
        state->setup_task.cb = proto_shell_setup_cb;
+       state->setup_task.dir_fd = proto_fd.fd;
+       state->setup_task.log_prefix = iface->name;
        state->teardown_task.cb = proto_shell_teardown_cb;
+       state->teardown_task.dir_fd = proto_fd.fd;
+       state->teardown_task.log_prefix = iface->name;
        state->proto_task.cb = proto_shell_task_cb;
+       state->proto_task.dir_fd = proto_fd.fd;
+       state->proto_task.log_prefix = iface->name;
        state->handler = container_of(h, struct proto_shell_handler, proto);
 
        return &state->proto;
@@ -714,10 +679,11 @@ void __init proto_shell_init(void)
        if (chdir("./proto"))
                goto close_cur;
 
-       proto_fd = open(".", O_RDONLY | O_DIRECTORY);
-       if (proto_fd < 0)
+       proto_fd.fd = open(".", O_RDONLY | O_DIRECTORY);
+       if (proto_fd.fd < 0)
                goto close_cur;
 
+       netifd_fd_add(&proto_fd);
        glob("./*.sh", 0, NULL, &g);
        for (i = 0; i < g.gl_pathc; i++)
                proto_shell_add_script(g.gl_pathv[i]);