X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Fsession.c;h=2f65848a9cedc2ed18bd56a630541b6922db8905;hp=f65450f01aa249a1536818f155a4b97dac9fae6f;hb=317eadef3cb6e74992824cad4c1193b6dc1e9fdf;hpb=d519f442b77472a41a4ca4efc147e781f98976e9 diff --git a/src/bin/lttng-relayd/session.c b/src/bin/lttng-relayd/session.c index f65450f01..2f65848a9 100644 --- a/src/bin/lttng-relayd/session.c +++ b/src/bin/lttng-relayd/session.c @@ -23,12 +23,15 @@ #include #include +#include + #include "ctf-trace.h" #include "lttng-relayd.h" #include "session.h" #include "sessiond-trace-chunks.h" #include "stream.h" #include +#include "utils.h" /* Global session id used in the session creation. */ static uint64_t last_relay_session_id; @@ -128,31 +131,8 @@ static int session_set_anonymous_chunk(struct relay_session *session) struct lttng_trace_chunk *chunk = NULL; enum lttng_trace_chunk_status status; struct lttng_directory_handle output_directory; - char *output_path; - bool output_path_allocated = false; - - if (!opt_output_path) { - /* No output path defined */ - const char *home_dir = utils_get_home_dir(); - if (!home_dir) { - ERR("Home path not found." - " Please specify an output path using -o, --output PATH"); - ret = -1; - goto end; - } - ret = asprintf(&output_path, "%s/%s", home_dir, DEFAULT_TRACE_DIR_NAME); - if (ret < 0) { - PERROR("asprintf trace dir name"); - ret = -1; - goto end; - } - output_path_allocated = true; - } else { - output_path = opt_output_path; - output_path_allocated = false; - } - ret = lttng_directory_handle_init(&output_directory, output_path); + ret = session_init_output_directory_handle(session, &output_directory); if (ret) { goto end; } @@ -178,9 +158,6 @@ static int session_set_anonymous_chunk(struct relay_session *session) end: lttng_trace_chunk_put(chunk); lttng_directory_handle_fini(&output_directory); - if (output_path_allocated) { - free(output_path); - } return ret; } @@ -204,17 +181,21 @@ struct relay_session *session_create(const char *session_name, int ret; struct relay_session *session = NULL; - if (session_name && strstr(session_name, ".")) { + assert(session_name); + assert(hostname); + assert(base_path); + + if (strstr(session_name, ".")) { ERR("Illegal character in session name: \"%s\"", session_name); goto error; } - if (base_path && strstr(base_path, "../")) { + if (strstr(base_path, "../")) { ERR("Invalid session base path walks up the path hierarchy: \"%s\"", base_path); goto error; } - if (hostname && strstr(hostname, ".")) { + if (strstr(hostname, ".")) { ERR("Invalid character in hostname: \"%s\"", hostname); goto error; @@ -412,6 +393,9 @@ void session_release(struct urcu_ref *ref) void session_put(struct relay_session *session) { + if (!session) { + return; + } rcu_read_lock(); urcu_ref_put(&session->ref, session_release); rcu_read_unlock(); @@ -491,3 +475,38 @@ void print_sessions(void) } rcu_read_unlock(); } + +int session_init_output_directory_handle(struct relay_session *session, + struct lttng_directory_handle *handle) +{ + int ret; + /* + * relayd_output_path/session_directory + * e.g. /home/user/lttng-traces/hostname/session_name + */ + char *full_session_path = NULL; + + pthread_mutex_lock(&session->lock); + full_session_path = create_output_path(session->output_path); + if (!full_session_path) { + ret = -1; + goto end; + } + + ret = utils_mkdir_recursive( + full_session_path, S_IRWXU | S_IRWXG, -1, -1); + if (ret) { + ERR("Failed to create session output path \"%s\"", + full_session_path); + goto end; + } + + ret = lttng_directory_handle_init(handle, full_session_path); + if (ret) { + goto end; + } +end: + pthread_mutex_unlock(&session->lock); + free(full_session_path); + return ret; +}