X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=write.c;h=3b5f2d193f31ddc1d8c130703637810f807f255f;hp=dda1b705c19151000dd08098f99d2b9d4c71f11c;hb=08be831b7b7e3e55d862eb988a604ccbde603403;hpb=a365b8263a0d7a1673699bdf454677c95b38eb95 diff --git a/write.c b/write.c index dda1b705..3b5f2d19 100644 --- a/write.c +++ b/write.c @@ -8,7 +8,6 @@ #include #include -#include #include #include "para.h" @@ -23,6 +22,7 @@ #include "write_common.h" #include "fd.h" #include "error.h" +#include "version.h" INIT_WRITE_ERRLISTS; @@ -165,11 +165,44 @@ __noreturn static void print_help_and_die(void) exit(0); } -static int main_btr(struct sched *s) +/* + * Parse config and register a task for a writer node. + * + * \param arg Command line arguments. + * \param parent The new node will be a child of \a parent. + * \param wn The writer node. + * + * If arg is \p NULL, the OS-dependent default writer is used with no + * arguments. The default writers are alsa for Linux, osx for OS X, oss for + * *BSD, and the file writer if the default writer is not supported. + * + * Once the writer configuration has been retrieved from the ->parse_config + * callback a writer node is created, its buffer tree node is added to the + * buffer tree as a child of the given parent. + * + * Finally, the new writer node's task structure is initialized and registered + * to the paraslash scheduler. + * + * \return Standard. + */ +static void setup_writer_node(const char *arg, struct btr_node *parent, + struct writer_node *wn) +{ + if (arg) + wn->conf = check_writer_arg_or_die(arg, &wn->writer_num); + else { + wn->writer_num = DEFAULT_WRITER; + wn->conf = writers[DEFAULT_WRITER].parse_config_or_die(""); + } + register_writer_node(wn, parent); +} + +static int setup_and_schedule(void) { int i, ret; struct check_wav_task _cwt, *cwt = &_cwt; struct writer_node *wns; + static struct sched s; loglevel = get_loglevel_by_name(conf.loglevel_arg); sit.btrn = btr_new_node(&(struct btr_node_description) @@ -188,34 +221,41 @@ static int main_btr(struct sched *s) cwt->task.error = 0; register_task(&cwt->task); - ret = -E_WRITE_SYNTAX; if (!conf.writer_given) { - i = 0; wns = para_calloc(sizeof(*wns)); - ret = setup_writer_node(NULL, cwt->btrn, wns); - if (ret < 0) - goto out; + setup_writer_node(NULL, cwt->btrn, wns); i = 1; } else { wns = para_calloc(conf.writer_given * sizeof(*wns)); - for (i = 0; i < conf.writer_given; i++) { - ret = setup_writer_node(conf.writer_arg[i], - cwt->btrn, wns + i); - if (ret < 0) - goto out; - } + for (i = 0; i < conf.writer_given; i++) + setup_writer_node(conf.writer_arg[i], cwt->btrn, + wns + i); } - s->default_timeout.tv_sec = 10; - s->default_timeout.tv_usec = 50000; - ret = schedule(s); -out: + s.default_timeout.tv_sec = 10; + s.default_timeout.tv_usec = 50000; + ret = schedule(&s); + if (ret >= 0) { + int j; + for (j = 0; j < i; j++) { + struct task *t = &wns[j].task; + assert(t->error < 0); + if (t->error != -E_WRITE_COMMON_EOF + && t->error != -E_BTR_EOF) { + PARA_ERROR_LOG("%s: %s\n", t->status, + para_strerror(-t->error)); + if (ret >= 0) + ret = t->error; + } + } + } for (i--; i >= 0; i--) { struct writer_node *wn = wns + i; struct writer *w = writers + wn->writer_num; w->close(wn); btr_free_node(wn->btrn); + w->free_config(wn->conf); free(wn->conf); } free(wns); @@ -236,8 +276,7 @@ out: */ int main(int argc, char *argv[]) { - int ret = -E_WRITE_SYNTAX; - static struct sched s; + int ret; writer_init(); write_cmdline_parser(argc, argv, &conf); @@ -245,7 +284,7 @@ int main(int argc, char *argv[]) if (conf.help_given || conf.detailed_help_given) print_help_and_die(); - ret = main_btr(&s); + ret = setup_and_schedule(); if (ret < 0) { PARA_ERROR_LOG("%s\n", para_strerror(-ret)); exit(EXIT_FAILURE);