X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=write.c;h=fcb477f80a1d2bcaf94d0f4b1b220164fb8d67c5;hp=2ea9d2132bee5f64224f3f9d635af8f83777a33e;hb=37dcd255ceb88c02cab500069956f4589c9d13e7;hpb=10b9efd6235b3b14214f4a84b3f4e17c1b11bd1a diff --git a/write.c b/write.c index 2ea9d213..fcb477f8 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 +165,47 @@ __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 int setup_writer_node(const char *arg, struct btr_node *parent, + struct writer_node *wn) +{ + if (arg) + wn->conf = check_writer_arg(arg, &wn->writer_num); + else { + wn->writer_num = DEFAULT_WRITER; + wn->conf = writers[DEFAULT_WRITER].parse_config_or_die(""); + } + if (!wn->conf) + return -E_WRITE_COMMON_SYNTAX; + register_writer_node(wn, parent); + return 1; +} + +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) @@ -188,7 +224,6 @@ 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)); @@ -206,9 +241,23 @@ static int main_btr(struct sched *s) } } - s->default_timeout.tv_sec = 10; - s->default_timeout.tv_usec = 50000; - ret = schedule(s); + 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; + } + } + } out: for (i--; i >= 0; i--) { struct writer_node *wn = wns + i; @@ -237,8 +286,7 @@ 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); @@ -246,7 +294,7 @@ 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);