X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Fhealth-relayd.c;h=d6e5dc4bdcda6941b6842b30f847a736b3dd0536;hb=75898b87d1603db0f20ed852e9704290c8f06715;hp=ba996621b0058ca62f94a7d1c4b001a5737b1b2e;hpb=3f49b32fe68d7e2adc4b87b2f6c2b080a02a19ce;p=lttng-tools.git diff --git a/src/bin/lttng-relayd/health-relayd.c b/src/bin/lttng-relayd/health-relayd.c index ba996621b..d6e5dc4bd 100644 --- a/src/bin/lttng-relayd/health-relayd.c +++ b/src/bin/lttng-relayd/health-relayd.c @@ -47,6 +47,7 @@ #include #include #include +#include #include "lttng-relayd.h" #include "health-relayd.h" @@ -224,6 +225,40 @@ end: return ret; } +static +int open_unix_socket(void *data, int *out_fd) +{ + int ret; + const char *path = data; + + ret = lttcomm_create_unix_sock(path); + if (ret < 0) { + goto end; + } + + *out_fd = ret; + ret = 0; +end: + return ret; +} + +static +int accept_unix_socket(void *data, int *out_fd) +{ + int ret; + int accepting_sock = *((int *) data); + + ret = lttcomm_accept_unix_sock(accepting_sock); + if (ret < 0) { + goto end; + } + + *out_fd = ret; + ret = 0; +end: + return ret; +} + /* * Thread managing health check socket. */ @@ -235,6 +270,7 @@ void *thread_manage_health(void *data) struct health_comm_msg msg; struct health_comm_reply reply; int is_root; + char *sock_name; DBG("[thread] Manage health check started"); @@ -246,8 +282,17 @@ void *thread_manage_health(void *data) lttng_poll_init(&events); /* Create unix socket */ - sock = lttcomm_create_unix_sock(health_unix_sock_path); - if (sock < 0) { + ret = asprintf(&sock_name, "Unix socket @ %s", health_unix_sock_path); + if (ret == -1) { + PERROR("Failed to allocate unix socket name"); + err = -1; + goto error; + } + ret = fd_tracker_open_unsuspendable_fd(the_fd_tracker, &sock, + (const char **) &sock_name, 1, open_unix_socket, + health_unix_sock_path); + free(sock_name); + if (ret < 0) { ERR("Unable to create health check Unix socket"); err = -1; goto error; @@ -286,8 +331,10 @@ void *thread_manage_health(void *data) goto error; } - /* Size is set to 1 for the consumer_channel pipe */ - ret = lttng_poll_create(&events, 2, LTTNG_CLOEXEC); + /* Size is set to 2 for the unix socket and quit pipe. */ + ret = fd_tracker_util_poll_create(the_fd_tracker, + "Health management thread epoll", &events, 2, + LTTNG_CLOEXEC); if (ret < 0) { ERR("Poll set creation failed"); goto error; @@ -307,6 +354,8 @@ void *thread_manage_health(void *data) lttng_relay_notify_ready(); while (1) { + char *accepted_socket_name; + DBG("Health check ready"); /* Inifinite blocking call, waiting for transmission */ @@ -355,8 +404,18 @@ restart: } } - new_sock = lttcomm_accept_unix_sock(sock); - if (new_sock < 0) { + ret = asprintf(&accepted_socket_name, "Socket accepted from unix socket @ %s", + health_unix_sock_path); + if (ret == -1) { + PERROR("Failed to allocate name of accepted socket from unix socket @ %s", + health_unix_sock_path); + goto error; + } + ret = fd_tracker_open_unsuspendable_fd(the_fd_tracker, &new_sock, + (const char **) &accepted_socket_name, 1, + accept_unix_socket, &sock); + free(accepted_socket_name); + if (ret < 0) { goto error; } @@ -370,7 +429,9 @@ restart: ret = lttcomm_recv_unix_sock(new_sock, (void *)&msg, sizeof(msg)); if (ret <= 0) { DBG("Nothing recv() from client... continuing"); - ret = close(new_sock); + ret = fd_tracker_close_unsuspendable_fd(the_fd_tracker, + &new_sock, 1, fd_tracker_util_close_fd, + NULL); if (ret) { PERROR("close"); } @@ -401,7 +462,9 @@ restart: } /* End of transmission */ - ret = close(new_sock); + ret = fd_tracker_close_unsuspendable_fd(the_fd_tracker, + &new_sock, 1, fd_tracker_util_close_fd, + NULL); if (ret) { PERROR("close"); } @@ -417,7 +480,8 @@ exit: DBG("Health check thread dying"); unlink(health_unix_sock_path); if (sock >= 0) { - ret = close(sock); + ret = fd_tracker_close_unsuspendable_fd(the_fd_tracker, &sock, + 1, fd_tracker_util_close_fd, NULL); if (ret) { PERROR("close"); } @@ -428,7 +492,7 @@ exit: * other processes using them. */ - lttng_poll_clean(&events); + (void) fd_tracker_util_poll_clean(the_fd_tracker, &events); rcu_unregister_thread(); return NULL;