diff options
Diffstat (limited to 'src/daemon/daemon-conf.c')
| -rw-r--r-- | src/daemon/daemon-conf.c | 597 |
1 files changed, 597 insertions, 0 deletions
diff --git a/src/daemon/daemon-conf.c b/src/daemon/daemon-conf.c new file mode 100644 index 00000000..c98c0218 --- /dev/null +++ b/src/daemon/daemon-conf.c @@ -0,0 +1,597 @@ +/* $Id$ */ + +/*** + This file is part of PulseAudio. + + Copyright 2004-2006 Lennart Poettering + Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + PulseAudio is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with PulseAudio; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <errno.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <sched.h> + +#include <pulse/xmalloc.h> + +#include <pulsecore/core-error.h> +#include <pulsecore/core-util.h> +#include <pulsecore/strbuf.h> +#include <pulsecore/conf-parser.h> +#include <pulsecore/resampler.h> +#include <pulsecore/macro.h> + +#include "daemon-conf.h" + +#define DEFAULT_SCRIPT_FILE PA_DEFAULT_CONFIG_DIR PA_PATH_SEP "default.pa" +#define DEFAULT_SCRIPT_FILE_USER PA_PATH_SEP "default.pa" +#define DEFAULT_CONFIG_FILE PA_DEFAULT_CONFIG_DIR PA_PATH_SEP "daemon.conf" +#define DEFAULT_CONFIG_FILE_USER PA_PATH_SEP "daemon.conf" + +#define ENV_SCRIPT_FILE "PULSE_SCRIPT" +#define ENV_CONFIG_FILE "PULSE_CONFIG" +#define ENV_DL_SEARCH_PATH "PULSE_DLPATH" + +static const pa_daemon_conf default_conf = { + .cmd = PA_CMD_DAEMON, + .daemonize = FALSE, + .fail = TRUE, + .high_priority = TRUE, + .nice_level = -11, + .realtime_scheduling = FALSE, + .realtime_priority = 5, /* Half of JACK's default rtprio */ + .disallow_module_loading = FALSE, + .exit_idle_time = -1, + .module_idle_time = 20, + .scache_idle_time = 20, + .auto_log_target = 1, + .script_commands = NULL, + .dl_search_path = NULL, + .default_script_file = NULL, + .log_target = PA_LOG_SYSLOG, + .log_level = PA_LOG_NOTICE, + .resample_method = PA_RESAMPLER_AUTO, + .disable_remixing = FALSE, + .config_file = NULL, + .use_pid_file = TRUE, + .system_instance = FALSE, + .no_cpu_limit = FALSE, + .disable_shm = FALSE, + .default_n_fragments = 4, + .default_fragment_size_msec = 25, + .default_sample_spec = { .format = PA_SAMPLE_S16NE, .rate = 44100, .channels = 2 } +#ifdef HAVE_SYS_RESOURCE_H + , .rlimit_as = { .value = 0, .is_set = FALSE }, + .rlimit_core = { .value = 0, .is_set = FALSE }, + .rlimit_data = { .value = 0, .is_set = FALSE }, + .rlimit_fsize = { .value = 0, .is_set = FALSE }, + .rlimit_nofile = { .value = 256, .is_set = TRUE }, + .rlimit_stack = { .value = 0, .is_set = FALSE } +#ifdef RLIMIT_NPROC + , .rlimit_nproc = { .value = 0, .is_set = FALSE } +#endif +#ifdef RLIMIT_MEMLOCK + , .rlimit_memlock = { .value = 0, .is_set = FALSE } +#endif +#ifdef RLIMIT_NICE + , .rlimit_nice = { .value = 31, .is_set = TRUE } /* nice level of -11 */ +#endif +#ifdef RLIMIT_RTPRIO + , .rlimit_rtprio = { .value = 9, .is_set = TRUE } /* One below JACK's default for the server */ +#endif +#endif +}; + +pa_daemon_conf* pa_daemon_conf_new(void) { + FILE *f; + pa_daemon_conf *c = pa_xnewdup(pa_daemon_conf, &default_conf, 1); + + if ((f = pa_open_config_file(DEFAULT_SCRIPT_FILE, DEFAULT_SCRIPT_FILE_USER, ENV_SCRIPT_FILE, &c->default_script_file, "r"))) + fclose(f); + + c->dl_search_path = pa_xstrdup(PA_DLSEARCHPATH); + return c; +} + +void pa_daemon_conf_free(pa_daemon_conf *c) { + pa_assert(c); + pa_xfree(c->script_commands); + pa_xfree(c->dl_search_path); + pa_xfree(c->default_script_file); + pa_xfree(c->config_file); + pa_xfree(c); +} + +int pa_daemon_conf_set_log_target(pa_daemon_conf *c, const char *string) { + pa_assert(c); + pa_assert(string); + + if (!strcmp(string, "auto")) + c->auto_log_target = 1; + else if (!strcmp(string, "syslog")) { + c->auto_log_target = 0; + c->log_target = PA_LOG_SYSLOG; + } else if (!strcmp(string, "stderr")) { + c->auto_log_target = 0; + c->log_target = PA_LOG_STDERR; + } else + return -1; + + return 0; +} + +int pa_daemon_conf_set_log_level(pa_daemon_conf *c, const char *string) { + uint32_t u; + pa_assert(c); + pa_assert(string); + + if (pa_atou(string, &u) >= 0) { + if (u >= PA_LOG_LEVEL_MAX) + return -1; + + c->log_level = (pa_log_level_t) u; + } else if (pa_startswith(string, "debug")) + c->log_level = PA_LOG_DEBUG; + else if (pa_startswith(string, "info")) + c->log_level = PA_LOG_INFO; + else if (pa_startswith(string, "notice")) + c->log_level = PA_LOG_NOTICE; + else if (pa_startswith(string, "warn")) + c->log_level = PA_LOG_WARN; + else if (pa_startswith(string, "err")) + c->log_level = PA_LOG_ERROR; + else + return -1; + + return 0; +} + +int pa_daemon_conf_set_resample_method(pa_daemon_conf *c, const char *string) { + int m; + pa_assert(c); + pa_assert(string); + + if ((m = pa_parse_resample_method(string)) < 0) + return -1; + + c->resample_method = m; + return 0; +} + +static int parse_log_target(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { + pa_daemon_conf *c = data; + + pa_assert(filename); + pa_assert(lvalue); + pa_assert(rvalue); + pa_assert(data); + + if (pa_daemon_conf_set_log_target(c, rvalue) < 0) { + pa_log("[%s:%u] Invalid log target '%s'.", filename, line, rvalue); + return -1; + } + + return 0; +} + +static int parse_log_level(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { + pa_daemon_conf *c = data; + + pa_assert(filename); + pa_assert(lvalue); + pa_assert(rvalue); + pa_assert(data); + + if (pa_daemon_conf_set_log_level(c, rvalue) < 0) { + pa_log("[%s:%u] Invalid log level '%s'.", filename, line, rvalue); + return -1; + } + + return 0; +} + +static int parse_resample_method(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { + pa_daemon_conf *c = data; + + pa_assert(filename); + pa_assert(lvalue); + pa_assert(rvalue); + pa_assert(data); + + if (pa_daemon_conf_set_resample_method(c, rvalue) < 0) { + pa_log("[%s:%u] Invalid resample method '%s'.", filename, line, rvalue); + return -1; + } + + return 0; +} + +static int parse_rlimit(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { +#ifdef HAVE_SYS_RESOURCE_H + struct pa_rlimit *r = data; + + pa_assert(filename); + pa_assert(lvalue); + pa_assert(rvalue); + pa_assert(r); + + if (rvalue[strspn(rvalue, "\t ")] == 0) { + /* Empty string */ + r->is_set = 0; + r->value = 0; + } else { + int32_t k; + if (pa_atoi(rvalue, &k) < 0) { + pa_log("[%s:%u] Invalid rlimit '%s'.", filename, line, rvalue); + return -1; + } + r->is_set = k >= 0; + r->value = k >= 0 ? (rlim_t) k : 0; + } +#else + pa_log_warn("[%s:%u] rlimit not supported on this platform.", filename, line); +#endif + + return 0; +} + +static int parse_sample_format(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { + pa_daemon_conf *c = data; + pa_sample_format_t f; + + pa_assert(filename); + pa_assert(lvalue); + pa_assert(rvalue); + pa_assert(data); + + if ((f = pa_parse_sample_format(rvalue)) < 0) { + pa_log("[%s:%u] Invalid sample format '%s'.", filename, line, rvalue); + return -1; + } + + c->default_sample_spec.format = f; + return 0; +} + +static int parse_sample_rate(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { + pa_daemon_conf *c = data; + int32_t r; + + pa_assert(filename); + pa_assert(lvalue); + pa_assert(rvalue); + pa_assert(data); + + if (pa_atoi(rvalue, &r) < 0 || r > PA_RATE_MAX || r <= 0) { + pa_log("[%s:%u] Invalid sample rate '%s'.", filename, line, rvalue); + return -1; + } + + c->default_sample_spec.rate = r; + return 0; +} + +static int parse_sample_channels(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { + pa_daemon_conf *c = data; + int32_t n; + + pa_assert(filename); + pa_assert(lvalue); + pa_assert(rvalue); + pa_assert(data); + + if (pa_atoi(rvalue, &n) < 0 || n > PA_CHANNELS_MAX || n <= 0) { + pa_log("[%s:%u] Invalid sample channels '%s'.", filename, line, rvalue); + return -1; + } + + c->default_sample_spec.channels = (uint8_t) n; + return 0; +} + +static int parse_fragments(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { + pa_daemon_conf *c = data; + int32_t n; + + pa_assert(filename); + pa_assert(lvalue); + pa_assert(rvalue); + pa_assert(data); + + if (pa_atoi(rvalue, &n) < 0 || n < 2) { + pa_log("[%s:%u] Invalid number of fragments '%s'.", filename, line, rvalue); + return -1; + } + + c->default_n_fragments = (unsigned) n; + return 0; +} + +static int parse_fragment_size_msec(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { + pa_daemon_conf *c = data; + int32_t n; + + pa_assert(filename); + pa_assert(lvalue); + pa_assert(rvalue); + pa_assert(data); + + if (pa_atoi(rvalue, &n) < 0 || n < 1) { + pa_log("[%s:%u] Invalid fragment size '%s'.", filename, line, rvalue); + return -1; + } + + c->default_fragment_size_msec = (unsigned) n; + return 0; +} + +static int parse_nice_level(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { + pa_daemon_conf *c = data; + int32_t level; + + pa_assert(filename); + pa_assert(lvalue); + pa_assert(rvalue); + pa_assert(data); + + if (pa_atoi(rvalue, &level) < 0 || level < -20 || level > 19) { + pa_log("[%s:%u] Invalid nice level '%s'.", filename, line, rvalue); + return -1; + } + + c->nice_level = (int) level; + return 0; +} + +static int parse_rtprio(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { + pa_daemon_conf *c = data; + int32_t rtprio; + + pa_assert(filename); + pa_assert(lvalue); + pa_assert(rvalue); + pa_assert(data); + + if (pa_atoi(rvalue, &rtprio) < 0 || rtprio < sched_get_priority_min(SCHED_FIFO) || rtprio > sched_get_priority_max(SCHED_FIFO)) { + pa_log("[%s:%u] Invalid realtime priority '%s'.", filename, line, rvalue); + return -1; + } + + c->realtime_priority = (int) rtprio; + return 0; +} + +int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) { + int r = -1; + FILE *f = NULL; + + pa_config_item table[] = { + { "daemonize", pa_config_parse_bool, NULL }, + { "fail", pa_config_parse_bool, NULL }, + { "high-priority", pa_config_parse_bool, NULL }, + { "realtime-scheduling", pa_config_parse_bool, NULL }, + { "disallow-module-loading", pa_config_parse_bool, NULL }, + { "use-pid-file", pa_config_parse_bool, NULL }, + { "system-instance", pa_config_parse_bool, NULL }, + { "no-cpu-limit", pa_config_parse_bool, NULL }, + { "disable-shm", pa_config_parse_bool, NULL }, + { "exit-idle-time", pa_config_parse_int, NULL }, + { "module-idle-time", pa_config_parse_int, NULL }, + { "scache-idle-time", pa_config_parse_int, NULL }, + { "realtime-priority", parse_rtprio, NULL }, + { "dl-search-path", pa_config_parse_string, NULL }, + { "default-script-file", pa_config_parse_string, NULL }, + { "log-target", parse_log_target, NULL }, + { "log-level", parse_log_level, NULL }, + { "verbose", parse_log_level, NULL }, + { "resample-method", parse_resample_method, NULL }, + { "default-sample-format", parse_sample_format, NULL }, + { "default-sample-rate", parse_sample_rate, NULL }, + { "default-sample-channels", parse_sample_channels, NULL }, + { "default-fragments", parse_fragments, NULL }, + { "default-fragment-size-msec", parse_fragment_size_msec, NULL }, + { "nice-level", parse_nice_level, NULL }, + { "disable-remixing", pa_config_parse_bool, NULL }, +#ifdef HAVE_SYS_RESOURCE_H + { "rlimit-as", parse_rlimit, NULL }, + { "rlimit-core", parse_rlimit, NULL }, + { "rlimit-data", parse_rlimit, NULL }, + { "rlimit-fsize", parse_rlimit, NULL }, + { "rlimit-nofile", parse_rlimit, NULL }, + { "rlimit-stack", parse_rlimit, NULL }, +#ifdef RLIMIT_NPROC + { "rlimit-nproc", parse_rlimit, NULL }, +#endif +#ifdef RLIMIT_MEMLOCK + { "rlimit-memlock", parse_rlimit, NULL }, +#endif +#ifdef RLIMIT_NICE + { "rlimit-nice", parse_rlimit, NULL }, +#endif +#ifdef RLIMIT_RTPRIO + { "rlimit-rtprio", parse_rlimit, NULL }, +#endif +#endif + { NULL, NULL, NULL }, + }; + + table[0].data = &c->daemonize; + table[1].data = &c->fail; + table[2].data = &c->high_priority; + table[3].data = &c->realtime_scheduling; + table[4].data = &c->disallow_module_loading; + table[5].data = &c->use_pid_file; + table[6].data = &c->system_instance; + table[7].data = &c->no_cpu_limit; + table[8].data = &c->disable_shm; + table[9].data = &c->exit_idle_time; + table[10].data = &c->module_idle_time; + table[11].data = &c->scache_idle_time; + table[12].data = c; + table[13].data = &c->dl_search_path; + table[14].data = &c->default_script_file; + table[15].data = c; + table[16].data = c; + table[17].data = c; + table[18].data = c; + table[19].data = c; + table[20].data = c; + table[21].data = c; + table[22].data = c; + table[23].data = c; + table[24].data = c; + table[25].data = &c->disable_remixing; +#ifdef HAVE_SYS_RESOURCE_H + table[26].data = &c->rlimit_as; + table[27].data = &c->rlimit_core; + table[28].data = &c->rlimit_data; + table[29].data = &c->rlimit_fsize; + table[30].data = &c->rlimit_nofile; + table[31].data = &c->rlimit_stack; +#ifdef RLIMIT_NPROC + table[32].data = &c->rlimit_nproc; +#endif +#ifdef RLIMIT_MEMLOCK +#ifndef RLIMIT_NPROC +#error "Houston, we have a numbering problem!" +#endif + table[33].data = &c->rlimit_memlock; +#endif +#ifdef RLIMIT_NICE +#ifndef RLIMIT_MEMLOCK +#error "Houston, we have a numbering problem!" +#endif + table[34].data = &c->rlimit_nice; +#endif +#ifdef RLIMIT_RTPRIO +#ifndef RLIMIT_NICE +#error "Houston, we have a numbering problem!" +#endif + table[35].data = &c->rlimit_rtprio; +#endif +#endif + + pa_xfree(c->config_file); + c->config_file = NULL; + + f = filename ? + fopen(c->config_file = pa_xstrdup(filename), "r") : + pa_open_config_file(DEFAULT_CONFIG_FILE, DEFAULT_CONFIG_FILE_USER, ENV_CONFIG_FILE, &c->config_file, "r"); + + if (!f && errno != ENOENT) { + pa_log_warn("Failed to open configuration file '%s': %s", c->config_file, pa_cstrerror(errno)); + goto finish; + } + + r = f ? pa_config_parse(c->config_file, f, table, NULL) : 0; + +finish: + if (f) + fclose(f); + + return r; +} + +int pa_daemon_conf_env(pa_daemon_conf *c) { + char *e; + + if ((e = getenv(ENV_DL_SEARCH_PATH))) { + pa_xfree(c->dl_search_path); + c->dl_search_path = pa_xstrdup(e); + } + if ((e = getenv(ENV_SCRIPT_FILE))) { + pa_xfree(c->default_script_file); + c->default_script_file = pa_xstrdup(e); + } + + return 0; +} + +static const char* const log_level_to_string[] = { + [PA_LOG_DEBUG] = "debug", + [PA_LOG_INFO] = "info", + [PA_LOG_NOTICE] = "notice", + [PA_LOG_WARN] = "warning", + [PA_LOG_ERROR] = "error" +}; + +char *pa_daemon_conf_dump(pa_daemon_conf *c) { + pa_strbuf *s; + + pa_assert(c); + + s = pa_strbuf_new(); + + if (c->config_file) + pa_strbuf_printf(s, "### Read from configuration file: %s ###\n", c->config_file); + + pa_assert(c->log_level <= PA_LOG_LEVEL_MAX); + + pa_strbuf_printf(s, "daemonize = %s\n", pa_yes_no(c->daemonize)); + pa_strbuf_printf(s, "fail = %s\n", pa_yes_no(c->fail)); + pa_strbuf_printf(s, "high-priority = %s\n", pa_yes_no(c->high_priority)); + pa_strbuf_printf(s, "nice-level = %i\n", c->nice_level); + pa_strbuf_printf(s, "realtime-scheduling = %s\n", pa_yes_no(c->realtime_scheduling)); + pa_strbuf_printf(s, "realtime-priority = %i\n", c->realtime_priority); + pa_strbuf_printf(s, "disallow-module-loading = %s\n", pa_yes_no(c->disallow_module_loading)); + pa_strbuf_printf(s, "use-pid-file = %s\n", pa_yes_no(c->use_pid_file)); + pa_strbuf_printf(s, "system-instance = %s\n", pa_yes_no(c->system_instance)); + pa_strbuf_printf(s, "no-cpu-limit = %s\n", pa_yes_no(c->no_cpu_limit)); + pa_strbuf_printf(s, "disable-shm = %s\n", pa_yes_no(c->disable_shm)); + pa_strbuf_printf(s, "exit-idle-time = %i\n", c->exit_idle_time); + pa_strbuf_printf(s, "module-idle-time = %i\n", c->module_idle_time); + pa_strbuf_printf(s, "scache-idle-time = %i\n", c->scache_idle_time); + pa_strbuf_printf(s, "dl-search-path = %s\n", c->dl_search_path ? c->dl_search_path : ""); + pa_strbuf_printf(s, "default-script-file = %s\n", c->default_script_file); + pa_strbuf_printf(s, "log-target = %s\n", c->auto_log_target ? "auto" : (c->log_target == PA_LOG_SYSLOG ? "syslog" : "stderr")); + pa_strbuf_printf(s, "log-level = %s\n", log_level_to_string[c->log_level]); + pa_strbuf_printf(s, "resample-method = %s\n", pa_resample_method_to_string(c->resample_method)); + pa_strbuf_printf(s, "disable-remixing = %s\n", pa_yes_no(c->disable_remixing)); + pa_strbuf_printf(s, "default-sample-format = %s\n", pa_sample_format_to_string(c->default_sample_spec.format)); + pa_strbuf_printf(s, "default-sample-rate = %u\n", c->default_sample_spec.rate); + pa_strbuf_printf(s, "default-sample-channels = %u\n", c->default_sample_spec.channels); + pa_strbuf_printf(s, "default-fragments = %u\n", c->default_n_fragments); + pa_strbuf_printf(s, "default-fragment-size-msec = %u\n", c->default_fragment_size_msec); +#ifdef HAVE_SYS_RESOURCE_H + pa_strbuf_printf(s, "rlimit-as = %li\n", c->rlimit_as.is_set ? (long int) c->rlimit_as.value : -1); + pa_strbuf_printf(s, "rlimit-core = %li\n", c->rlimit_core.is_set ? (long int) c->rlimit_core.value : -1); + pa_strbuf_printf(s, "rlimit-data = %li\n", c->rlimit_data.is_set ? (long int) c->rlimit_data.value : -1); + pa_strbuf_printf(s, "rlimit-fsize = %li\n", c->rlimit_fsize.is_set ? (long int) c->rlimit_fsize.value : -1); + pa_strbuf_printf(s, "rlimit-nofile = %li\n", c->rlimit_nofile.is_set ? (long int) c->rlimit_nofile.value : -1); + pa_strbuf_printf(s, "rlimit-stack = %li\n", c->rlimit_stack.is_set ? (long int) c->rlimit_stack.value : -1); +#ifdef RLIMIT_NPROC + pa_strbuf_printf(s, "rlimit-nproc = %li\n", c->rlimit_nproc.is_set ? (long int) c->rlimit_nproc.value : -1); +#endif +#ifdef RLIMIT_MEMLOCK + pa_strbuf_printf(s, "rlimit-memlock = %li\n", c->rlimit_memlock.is_set ? (long int) c->rlimit_memlock.value : -1); +#endif +#ifdef RLIMIT_NICE + pa_strbuf_printf(s, "rlimit-nice = %li\n", c->rlimit_memlock.is_set ? (long int) c->rlimit_nice.value : -1); +#endif +#ifdef RLIMIT_RTPRIO + pa_strbuf_printf(s, "rlimit-rtprio = %li\n", c->rlimit_memlock.is_set ? (long int) c->rlimit_rtprio.value : -1); +#endif +#endif + + return pa_strbuf_tostring_free(s); +} |