-/* $Id$ */
-
/***
This file is part of PulseAudio.
- Copyright 2005-2006 Lennart Poettering
+ Copyright 2005-2009 Lennart Poettering
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,
+ by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
#include <config.h>
#endif
-#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#include <errno.h>
#include <pulse/util.h>
#include <pulse/xmalloc.h>
+#include <pulse/timeval.h>
+#include <pulsecore/core-util.h>
#include <pulsecore/ioline.h>
+#include <pulsecore/thread-mq.h>
+#include <pulsecore/macro.h>
#include <pulsecore/log.h>
#include <pulsecore/namereg.h>
#include <pulsecore/cli-text.h>
+#include <pulsecore/shared.h>
+#include <pulsecore/core-error.h>
+#include <pulsecore/mime-type.h>
#include "protocol-http.h"
/* Don't allow more than this many concurrent connections */
#define MAX_CONNECTIONS 10
-#define internal_server_error(c) http_message((c), 500, "Internal Server Error", NULL)
-
#define URL_ROOT "/"
#define URL_CSS "/style"
#define URL_STATUS "/status"
+#define URL_LISTEN "/listen"
+#define URL_LISTEN_SOURCE "/listen/source/"
+
+#define MIME_HTML "text/html; charset=utf-8"
+#define MIME_TEXT "text/plain; charset=utf-8"
+#define MIME_CSS "text/css"
+
+#define HTML_HEADER(t) \
+ "<?xml version=\"1.0\"?>\n" \
+ "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n" \
+ "<html xmlns=\"http://www.w3.org/1999/xhtml\">\n" \
+ " <head>\n" \
+ " <title>"t"</title>\n" \
+ " <link rel=\"stylesheet\" type=\"text/css\" href=\"style\"/>\n" \
+ " </head>\n" \
+ " <body>\n"
+
+#define HTML_FOOTER \
+ " </body>\n" \
+ "</html>\n"
+
+#define RECORD_BUFFER_SECONDS (5)
+#define DEFAULT_SOURCE_LATENCY (300*PA_USEC_PER_MSEC)
+
+enum state {
+ STATE_REQUEST_LINE,
+ STATE_MIME_HEADER,
+ STATE_DATA
+};
+
+enum method {
+ METHOD_GET,
+ METHOD_HEAD
+};
struct connection {
- pa_protocol_http *protocol;
+ pa_http_protocol *protocol;
+ pa_iochannel *io;
pa_ioline *line;
- enum { REQUEST_LINE, MIME_HEADER, DATA } state;
+ pa_memblockq *output_memblockq;
+ pa_source_output *source_output;
+ pa_client *client;
+ enum state state;
char *url;
+ enum method method;
+ pa_module *module;
};
-struct pa_protocol_http {
- pa_module *module;
+struct pa_http_protocol {
+ PA_REFCNT_DECLARE;
+
pa_core *core;
- pa_socket_server*server;
pa_idxset *connections;
+
+ pa_strlist *servers;
+};
+
+enum {
+ SOURCE_OUTPUT_MESSAGE_POST_DATA = PA_SOURCE_OUTPUT_MESSAGE_MAX
};
-static void http_response(struct connection *c, int code, const char *msg, const char *mime) {
- char s[256];
- assert(c);
- assert(msg);
- assert(mime);
-
- snprintf(s, sizeof(s),
- "HTTP/1.0 %i %s\n"
- "Connection: close\n"
- "Content-Type: %s\n"
- "Cache-Control: no-cache\n"
- "Expires: 0\n"
- "Server: "PACKAGE_NAME"/"PACKAGE_VERSION"\n"
- "\n", code, msg, mime);
+/* Called from main context */
+static void connection_unlink(struct connection *c) {
+ pa_assert(c);
+
+ if (c->source_output) {
+ pa_source_output_unlink(c->source_output);
+ c->source_output->userdata = NULL;
+ pa_source_output_unref(c->source_output);
+ }
+
+ if (c->client)
+ pa_client_free(c->client);
+
+ pa_xfree(c->url);
+
+ if (c->line)
+ pa_ioline_unref(c->line);
+
+ if (c->io)
+ pa_iochannel_free(c->io);
+
+ if (c->output_memblockq)
+ pa_memblockq_free(c->output_memblockq);
+
+ pa_idxset_remove_by_data(c->protocol->connections, c, NULL);
+
+ pa_xfree(c);
+}
+
+/* Called from main context */
+static int do_write(struct connection *c) {
+ pa_memchunk chunk;
+ ssize_t r;
+ void *p;
+
+ pa_assert(c);
+
+ if (pa_memblockq_peek(c->output_memblockq, &chunk) < 0)
+ return 0;
+
+ pa_assert(chunk.memblock);
+ pa_assert(chunk.length > 0);
+
+ p = pa_memblock_acquire(chunk.memblock);
+ r = pa_iochannel_write(c->io, (uint8_t*) p+chunk.index, chunk.length);
+ pa_memblock_release(chunk.memblock);
+
+ pa_memblock_unref(chunk.memblock);
+
+ if (r < 0) {
+ pa_log("write(): %s", pa_cstrerror(errno));
+ return -1;
+ }
+
+ pa_memblockq_drop(c->output_memblockq, (size_t) r);
+
+ return 1;
+}
+
+/* Called from main context */
+static void do_work(struct connection *c) {
+ pa_assert(c);
+
+ if (pa_iochannel_is_hungup(c->io))
+ goto fail;
+
+ while (pa_iochannel_is_writable(c->io)) {
+ int r = do_write(c);
+ if (r < 0)
+ goto fail;
+ if (r == 0)
+ break;
+ }
+
+ return;
+
+fail:
+ connection_unlink(c);
+}
+
+/* Called from thread context, except when it is not */
+static int source_output_process_msg(pa_msgobject *m, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
+ pa_source_output *o = PA_SOURCE_OUTPUT(m);
+ struct connection *c;
+
+ pa_source_output_assert_ref(o);
+
+ if (!(c = o->userdata))
+ return -1;
+
+ switch (code) {
+
+ case SOURCE_OUTPUT_MESSAGE_POST_DATA:
+ /* While this function is usually called from IO thread
+ * context, this specific command is not! */
+ pa_memblockq_push_align(c->output_memblockq, chunk);
+ do_work(c);
+ break;
+
+ default:
+ return pa_source_output_process_msg(m, code, userdata, offset, chunk);
+ }
+
+ return 0;
+}
+
+/* Called from thread context */
+static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) {
+ struct connection *c;
+
+ pa_source_output_assert_ref(o);
+ pa_assert_se(c = o->userdata);
+ pa_assert(chunk);
+ pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(o), SOURCE_OUTPUT_MESSAGE_POST_DATA, NULL, 0, chunk, NULL);
+}
+
+/* Called from main context */
+static void source_output_kill_cb(pa_source_output *o) {
+ struct connection*c;
+
+ pa_source_output_assert_ref(o);
+ pa_assert_se(c = o->userdata);
+
+ connection_unlink(c);
+}
+
+/* Called from main context */
+static pa_usec_t source_output_get_latency_cb(pa_source_output *o) {
+ struct connection*c;
+
+ pa_source_output_assert_ref(o);
+ pa_assert_se(c = o->userdata);
+
+ return pa_bytes_to_usec(pa_memblockq_get_length(c->output_memblockq), &c->source_output->sample_spec);
+}
+
+/*** client callbacks ***/
+static void client_kill_cb(pa_client *client) {
+ struct connection*c;
+
+ pa_assert(client);
+ pa_assert_se(c = client->userdata);
+
+ connection_unlink(c);
+}
+
+/*** pa_iochannel callbacks ***/
+static void io_callback(pa_iochannel*io, void *userdata) {
+ struct connection *c = userdata;
+
+ pa_assert(c);
+ pa_assert(io);
+
+ do_work(c);
+}
+
+static char *escape_html(const char *t) {
+ pa_strbuf *sb;
+ const char *p, *e;
+
+ sb = pa_strbuf_new();
+
+ for (e = p = t; *p; p++) {
+
+ if (*p == '>' || *p == '<' || *p == '&') {
+
+ if (p > e) {
+ pa_strbuf_putsn(sb, e, p-e);
+ e = p + 1;
+ }
+
+ if (*p == '>')
+ pa_strbuf_puts(sb, ">");
+ else if (*p == '<')
+ pa_strbuf_puts(sb, "<");
+ else
+ pa_strbuf_puts(sb, "&");
+ }
+ }
+
+ if (p > e)
+ pa_strbuf_putsn(sb, e, p-e);
+
+ return pa_strbuf_tostring_free(sb);
+}
+
+static void http_response(
+ struct connection *c,
+ int code,
+ const char *msg,
+ const char *mime) {
+
+ char *s;
+
+ pa_assert(c);
+ pa_assert(msg);
+ pa_assert(mime);
+
+ s = pa_sprintf_malloc(
+ "HTTP/1.0 %i %s\n"
+ "Connection: close\n"
+ "Content-Type: %s\n"
+ "Cache-Control: no-cache\n"
+ "Expires: 0\n"
+ "Server: "PACKAGE_NAME"/"PACKAGE_VERSION"\n"
+ "\n", code, msg, mime);
pa_ioline_puts(c->line, s);
+ pa_xfree(s);
}
-static void http_message(struct connection *c, int code, const char *msg, const char *text) {
- char s[256];
- assert(c);
+static void html_response(
+ struct connection *c,
+ int code,
+ const char *msg,
+ const char *text) {
+
+ char *s;
+ pa_assert(c);
- http_response(c, code, msg, "text/html");
+ http_response(c, code, msg, MIME_HTML);
+
+ if (c->method == METHOD_HEAD) {
+ pa_ioline_defer_close(c->line);
+ return;
+ }
if (!text)
text = msg;
- snprintf(s, sizeof(s),
- "<?xml version=\"1.0\"?>\n"
- "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n"
- "<html xmlns=\"http://www.w3.org/1999/xhtml\"><head><title>%s</title></head>\n"
- "<body>%s</body></html>\n",
- text, text);
+ s = pa_sprintf_malloc(
+ HTML_HEADER("%s")
+ "%s"
+ HTML_FOOTER,
+ text, text);
pa_ioline_puts(c->line, s);
+ pa_xfree(s);
+
pa_ioline_defer_close(c->line);
}
+static void html_print_field(pa_ioline *line, const char *left, const char *right) {
+ char *eleft, *eright;
-static void connection_free(struct connection *c, int del) {
- assert(c);
+ eleft = escape_html(left);
+ eright = escape_html(right);
- if (c->url)
- pa_xfree(c->url);
+ pa_ioline_printf(line,
+ "<tr><td><b>%s</b></td>"
+ "<td>%s</td></tr>\n", eleft, eright);
- if (del)
- pa_idxset_remove_by_data(c->protocol->connections, c, NULL);
- pa_ioline_unref(c->line);
- pa_xfree(c);
+ pa_xfree(eleft);
+ pa_xfree(eright);
}
-static void line_callback(pa_ioline *line, const char *s, void *userdata) {
- struct connection *c = userdata;
- assert(line);
- assert(c);
+static void handle_root(struct connection *c) {
+ char *t;
- if (!s) {
- /* EOF */
- connection_free(c, 1);
+ pa_assert(c);
+
+ http_response(c, 200, "OK", MIME_HTML);
+
+ if (c->method == METHOD_HEAD) {
+ pa_ioline_defer_close(c->line);
return;
}
- switch (c->state) {
- case REQUEST_LINE: {
- if (memcmp(s, "GET ", 4))
- goto fail;
+ pa_ioline_puts(c->line,
+ HTML_HEADER(PACKAGE_NAME" "PACKAGE_VERSION)
+ "<h1>"PACKAGE_NAME" "PACKAGE_VERSION"</h1>\n"
+ "<table>\n");
- s +=4;
+ t = pa_get_user_name_malloc();
+ html_print_field(c->line, "User Name:", t);
+ pa_xfree(t);
- c->url = pa_xstrndup(s, strcspn(s, " \r\n\t?"));
- c->state = MIME_HEADER;
- break;
+ t = pa_get_host_name_malloc();
+ html_print_field(c->line, "Host name:", t);
+ pa_xfree(t);
- }
+ t = pa_machine_id();
+ html_print_field(c->line, "Machine ID:", t);
+ pa_xfree(t);
- case MIME_HEADER: {
+ t = pa_uname_string();
+ html_print_field(c->line, "System:", t);
+ pa_xfree(t);
- /* Ignore MIME headers */
- if (strcspn(s, " \r\n") != 0)
- break;
+ t = pa_sprintf_malloc("%lu", (unsigned long) getpid());
+ html_print_field(c->line, "Process ID:", t);
+ pa_xfree(t);
- /* We're done */
- c->state = DATA;
+ pa_ioline_puts(c->line,
+ "</table>\n"
+ "<p><a href=\"" URL_STATUS "\">Show an extensive server status report</a></p>\n"
+ "<p><a href=\"" URL_LISTEN "\">Monitor sinks and sources</a></p>\n"
+ HTML_FOOTER);
+
+ pa_ioline_defer_close(c->line);
+}
+
+static void handle_css(struct connection *c) {
+ pa_assert(c);
+
+ http_response(c, 200, "OK", MIME_CSS);
+
+ if (c->method == METHOD_HEAD) {
+ pa_ioline_defer_close(c->line);
+ return;
+ }
+
+ pa_ioline_puts(c->line,
+ "body { color: black; background-color: white; }\n"
+ "a:link, a:visited { color: #900000; }\n"
+ "div.news-date { font-size: 80%; font-style: italic; }\n"
+ "pre { background-color: #f0f0f0; padding: 0.4cm; }\n"
+ ".grey { color: #8f8f8f; font-size: 80%; }"
+ "table { margin-left: 1cm; border:1px solid lightgrey; padding: 0.2cm; }\n"
+ "td { padding-left:10px; padding-right:10px; }\n");
+
+ pa_ioline_defer_close(c->line);
+}
+
+static void handle_status(struct connection *c) {
+ char *r;
+
+ pa_assert(c);
+
+ http_response(c, 200, "OK", MIME_TEXT);
+
+ if (c->method == METHOD_HEAD) {
+ pa_ioline_defer_close(c->line);
+ return;
+ }
+
+ r = pa_full_status_string(c->protocol->core);
+ pa_ioline_puts(c->line, r);
+ pa_xfree(r);
+
+ pa_ioline_defer_close(c->line);
+}
+
+static void handle_listen(struct connection *c) {
+ pa_source *source;
+ pa_sink *sink;
+ uint32_t idx;
+
+ http_response(c, 200, "OK", MIME_HTML);
+
+ pa_ioline_puts(c->line,
+ HTML_HEADER("Listen")
+ "<h2>Sinks</h2>\n"
+ "<p>\n");
+
+ if (c->method == METHOD_HEAD) {
+ pa_ioline_defer_close(c->line);
+ return;
+ }
+
+ PA_IDXSET_FOREACH(sink, c->protocol->core->sinks, idx) {
+ char *t, *m;
+
+ t = escape_html(pa_strna(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_DESCRIPTION)));
+ m = pa_sample_spec_to_mime_type_mimefy(&sink->sample_spec, &sink->channel_map);
+
+ pa_ioline_printf(c->line,
+ "<a href=\"" URL_LISTEN_SOURCE "%s\" title=\"%s\">%s</a><br/>\n",
+ sink->monitor_source->name, m, t);
+
+ pa_xfree(t);
+ pa_xfree(m);
+ }
+
+ pa_ioline_puts(c->line,
+ "</p>\n"
+ "<h2>Sources</h2>\n"
+ "<p>\n");
+
+ PA_IDXSET_FOREACH(source, c->protocol->core->sources, idx) {
+ char *t, *m;
- pa_log_info("request for %s", c->url);
+ if (source->monitor_of)
+ continue;
- if (!strcmp(c->url, URL_ROOT)) {
- char txt[256];
- http_response(c, 200, "OK", "text/html");
+ t = escape_html(pa_strna(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_DESCRIPTION)));
+ m = pa_sample_spec_to_mime_type_mimefy(&source->sample_spec, &source->channel_map);
- pa_ioline_puts(c->line,
- "<?xml version=\"1.0\"?>\n"
- "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n"
- "<html xmlns=\"http://www.w3.org/1999/xhtml\"><title>"PACKAGE_NAME" "PACKAGE_VERSION"</title>\n"
- "<link rel=\"stylesheet\" type=\"text/css\" href=\"style\"/></head><body>\n");
+ pa_ioline_printf(c->line,
+ "<a href=\"" URL_LISTEN_SOURCE "%s\" title=\"%s\">%s</a><br/>\n",
+ source->name, m, t);
- pa_ioline_puts(c->line,
- "<h1>"PACKAGE_NAME" "PACKAGE_VERSION"</h1>\n"
- "<table>");
+ pa_xfree(m);
+ pa_xfree(t);
-#define PRINTF_FIELD(a,b) pa_ioline_printf(c->line, "<tr><td><b>%s</b></td><td>%s</td></tr>\n",(a),(b))
+ }
+
+ pa_ioline_puts(c->line,
+ "</p>\n"
+ HTML_FOOTER);
+
+ pa_ioline_defer_close(c->line);
+}
+
+static void line_drain_callback(pa_ioline *l, void *userdata) {
+ struct connection *c;
+
+ pa_assert(l);
+ pa_assert_se(c = userdata);
+
+ /* We don't need the line reader anymore, instead we need a real
+ * binary io channel */
+ pa_assert_se(c->io = pa_ioline_detach_iochannel(c->line));
+ pa_iochannel_set_callback(c->io, io_callback, c);
+
+ pa_iochannel_socket_set_sndbuf(c->io, pa_memblockq_get_length(c->output_memblockq));
+
+ pa_ioline_unref(c->line);
+ c->line = NULL;
+}
+
+static void handle_listen_prefix(struct connection *c, const char *source_name) {
+ pa_source *source;
+ pa_source_output_new_data data;
+ pa_sample_spec ss;
+ pa_channel_map cm;
+ char *t;
+ size_t l;
+
+ pa_assert(c);
+ pa_assert(source_name);
+
+ pa_assert(c->line);
+ pa_assert(!c->io);
+
+ if (!(source = pa_namereg_get(c->protocol->core, source_name, PA_NAMEREG_SOURCE))) {
+ html_response(c, 404, "Source not found", NULL);
+ return;
+ }
+
+ ss = source->sample_spec;
+ cm = source->channel_map;
+
+ pa_sample_spec_mimefy(&ss, &cm);
+
+ pa_source_output_new_data_init(&data);
+ data.driver = __FILE__;
+ data.module = c->module;
+ data.client = c->client;
+ pa_source_output_new_data_set_source(&data, source, false);
+ pa_proplist_update(data.proplist, PA_UPDATE_MERGE, c->client->proplist);
+ pa_source_output_new_data_set_sample_spec(&data, &ss);
+ pa_source_output_new_data_set_channel_map(&data, &cm);
+
+ pa_source_output_new(&c->source_output, c->protocol->core, &data);
+ pa_source_output_new_data_done(&data);
+
+ if (!c->source_output) {
+ html_response(c, 403, "Cannot create source output", NULL);
+ return;
+ }
+
+ c->source_output->parent.process_msg = source_output_process_msg;
+ c->source_output->push = source_output_push_cb;
+ c->source_output->kill = source_output_kill_cb;
+ c->source_output->get_latency = source_output_get_latency_cb;
+ c->source_output->userdata = c;
+
+ pa_source_output_set_requested_latency(c->source_output, DEFAULT_SOURCE_LATENCY);
+
+ l = (size_t) (pa_bytes_per_second(&ss)*RECORD_BUFFER_SECONDS);
+ c->output_memblockq = pa_memblockq_new(
+ "http protocol connection output_memblockq",
+ 0,
+ l,
+ 0,
+ &ss,
+ 1,
+ 0,
+ 0,
+ NULL);
+
+ pa_source_output_put(c->source_output);
+
+ t = pa_sample_spec_to_mime_type(&ss, &cm);
+ http_response(c, 200, "OK", t);
+ pa_xfree(t);
+
+ if (c->method == METHOD_HEAD) {
+ connection_unlink(c);
+ return;
+ }
+ pa_ioline_set_callback(c->line, NULL, NULL);
- PRINTF_FIELD("User Name:", pa_get_user_name(txt, sizeof(txt)));
- PRINTF_FIELD("Fully Qualified Domain Name:", pa_get_fqdn(txt, sizeof(txt)));
- PRINTF_FIELD("Default Sample Specification:", pa_sample_spec_snprint(txt, sizeof(txt), &c->protocol->core->default_sample_spec));
- PRINTF_FIELD("Default Sink:", pa_namereg_get_default_sink_name(c->protocol->core));
- PRINTF_FIELD("Default Source:", pa_namereg_get_default_source_name(c->protocol->core));
+ if (pa_ioline_is_drained(c->line))
+ line_drain_callback(c->line, c);
+ else
+ pa_ioline_set_drain_callback(c->line, line_drain_callback, c);
+}
- pa_ioline_puts(c->line, "</table>");
+static void handle_url(struct connection *c) {
+ pa_assert(c);
+
+ pa_log_debug("Request for %s", c->url);
+
+ if (pa_streq(c->url, URL_ROOT))
+ handle_root(c);
+ else if (pa_streq(c->url, URL_CSS))
+ handle_css(c);
+ else if (pa_streq(c->url, URL_STATUS))
+ handle_status(c);
+ else if (pa_streq(c->url, URL_LISTEN))
+ handle_listen(c);
+ else if (pa_startswith(c->url, URL_LISTEN_SOURCE))
+ handle_listen_prefix(c, c->url + sizeof(URL_LISTEN_SOURCE)-1);
+ else
+ html_response(c, 404, "Not Found", NULL);
+}
- pa_ioline_puts(c->line, "<p><a href=\"/status\">Click here</a> for an extensive server status report.</p>");
+static void line_callback(pa_ioline *line, const char *s, void *userdata) {
+ struct connection *c = userdata;
+ pa_assert(line);
+ pa_assert(c);
- pa_ioline_puts(c->line, "</body></html>\n");
+ if (!s) {
+ /* EOF */
+ connection_unlink(c);
+ return;
+ }
- pa_ioline_defer_close(c->line);
- } else if (!strcmp(c->url, URL_CSS)) {
- http_response(c, 200, "OK", "text/css");
+ switch (c->state) {
+ case STATE_REQUEST_LINE: {
+ if (pa_startswith(s, "GET ")) {
+ c->method = METHOD_GET;
+ s +=4;
+ } else if (pa_startswith(s, "HEAD ")) {
+ c->method = METHOD_HEAD;
+ s +=5;
+ } else {
+ goto fail;
+ }
- pa_ioline_puts(c->line,
- "body { color: black; background-color: white; margin: 0.5cm; }\n"
- "a:link, a:visited { color: #900000; }\n"
- "p { margin-left: 0.5cm; margin-right: 0.5cm; }\n"
- "h1 { color: #00009F; }\n"
- "h2 { color: #00009F; }\n"
- "ul { margin-left: .5cm; }\n"
- "ol { margin-left: .5cm; }\n"
- "pre { margin-left: .5cm; background-color: #f0f0f0; padding: 0.4cm;}\n"
- ".grey { color: #afafaf; }\n"
- "table { margin-left: 1cm; border:1px solid lightgrey; padding: 0.2cm; }\n"
- "td { padding-left:10px; padding-right:10px; }\n");
+ c->url = pa_xstrndup(s, strcspn(s, " \r\n\t?"));
+ c->state = STATE_MIME_HEADER;
+ break;
+ }
- pa_ioline_defer_close(c->line);
- } else if (!strcmp(c->url, URL_STATUS)) {
- char *r;
+ case STATE_MIME_HEADER: {
- http_response(c, 200, "OK", "text/plain");
- r = pa_full_status_string(c->protocol->core);
- pa_ioline_puts(c->line, r);
- pa_xfree(r);
+ /* Ignore MIME headers */
+ if (strcspn(s, " \r\n") != 0)
+ break;
- pa_ioline_defer_close(c->line);
- } else
- http_message(c, 404, "Not Found", NULL);
+ /* We're done */
+ c->state = STATE_DATA;
+ handle_url(c);
break;
}
return;
fail:
- internal_server_error(c);
+ html_response(c, 500, "Internal Server Error", NULL);
}
-static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata) {
- pa_protocol_http *p = userdata;
+void pa_http_protocol_connect(pa_http_protocol *p, pa_iochannel *io, pa_module *m) {
struct connection *c;
- assert(s && io && p);
+ pa_client_new_data client_data;
+ char pname[128];
+
+ pa_assert(p);
+ pa_assert(io);
+ pa_assert(m);
if (pa_idxset_size(p->connections)+1 > MAX_CONNECTIONS) {
- pa_log_warn("Warning! Too many connections (%u), dropping incoming connection.", MAX_CONNECTIONS);
+ pa_log("Warning! Too many connections (%u), dropping incoming connection.", MAX_CONNECTIONS);
pa_iochannel_free(io);
return;
}
- c = pa_xmalloc(sizeof(struct connection));
+ c = pa_xnew0(struct connection, 1);
c->protocol = p;
- c->line = pa_ioline_new(io);
- c->state = REQUEST_LINE;
- c->url = NULL;
+ c->state = STATE_REQUEST_LINE;
+ c->module = m;
+ c->line = pa_ioline_new(io);
pa_ioline_set_callback(c->line, line_callback, c);
+
+ pa_client_new_data_init(&client_data);
+ client_data.module = c->module;
+ client_data.driver = __FILE__;
+ pa_iochannel_socket_peer_to_string(io, pname, sizeof(pname));
+ pa_proplist_setf(client_data.proplist, PA_PROP_APPLICATION_NAME, "HTTP client (%s)", pname);
+ pa_proplist_sets(client_data.proplist, "http-protocol.peer", pname);
+ c->client = pa_client_new(p->core, &client_data);
+ pa_client_new_data_done(&client_data);
+
+ if (!c->client)
+ goto fail;
+
+ c->client->kill = client_kill_cb;
+ c->client->userdata = c;
+
pa_idxset_put(p->connections, c, NULL);
+
+ return;
+
+fail:
+ if (c)
+ connection_unlink(c);
+}
+
+void pa_http_protocol_disconnect(pa_http_protocol *p, pa_module *m) {
+ struct connection *c;
+ uint32_t idx;
+
+ pa_assert(p);
+ pa_assert(m);
+
+ PA_IDXSET_FOREACH(c, p->connections, idx)
+ if (c->module == m)
+ connection_unlink(c);
}
-pa_protocol_http* pa_protocol_http_new(pa_core *core, pa_socket_server *server, pa_module *m, PA_GCC_UNUSED pa_modargs *ma) {
- pa_protocol_http* p;
- assert(core && server);
+static pa_http_protocol* http_protocol_new(pa_core *c) {
+ pa_http_protocol *p;
- p = pa_xmalloc(sizeof(pa_protocol_http));
- p->module = m;
- p->core = core;
- p->server = server;
+ pa_assert(c);
+
+ p = pa_xnew0(pa_http_protocol, 1);
+ PA_REFCNT_INIT(p);
+ p->core = c;
p->connections = pa_idxset_new(NULL, NULL);
- pa_socket_server_set_callback(p->server, on_connection, p);
+ pa_assert_se(pa_shared_set(c, "http-protocol", p) >= 0);
return p;
}
-static void free_connection(void *p, PA_GCC_UNUSED void *userdata) {
- assert(p);
- connection_free(p, 0);
+pa_http_protocol* pa_http_protocol_get(pa_core *c) {
+ pa_http_protocol *p;
+
+ if ((p = pa_shared_get(c, "http-protocol")))
+ return pa_http_protocol_ref(p);
+
+ return http_protocol_new(c);
}
-void pa_protocol_http_free(pa_protocol_http *p) {
- assert(p);
+pa_http_protocol* pa_http_protocol_ref(pa_http_protocol *p) {
+ pa_assert(p);
+ pa_assert(PA_REFCNT_VALUE(p) >= 1);
+
+ PA_REFCNT_INC(p);
+
+ return p;
+}
+
+void pa_http_protocol_unref(pa_http_protocol *p) {
+ struct connection *c;
+
+ pa_assert(p);
+ pa_assert(PA_REFCNT_VALUE(p) >= 1);
+
+ if (PA_REFCNT_DEC(p) > 0)
+ return;
+
+ while ((c = pa_idxset_first(p->connections, NULL)))
+ connection_unlink(c);
+
+ pa_idxset_free(p->connections, NULL);
+
+ pa_strlist_free(p->servers);
+
+ pa_assert_se(pa_shared_remove(p->core, "http-protocol") >= 0);
- pa_idxset_free(p->connections, free_connection, NULL);
- pa_socket_server_unref(p->server);
pa_xfree(p);
}
+
+void pa_http_protocol_add_server_string(pa_http_protocol *p, const char *name) {
+ pa_assert(p);
+ pa_assert(PA_REFCNT_VALUE(p) >= 1);
+ pa_assert(name);
+
+ p->servers = pa_strlist_prepend(p->servers, name);
+}
+
+void pa_http_protocol_remove_server_string(pa_http_protocol *p, const char *name) {
+ pa_assert(p);
+ pa_assert(PA_REFCNT_VALUE(p) >= 1);
+ pa_assert(name);
+
+ p->servers = pa_strlist_remove(p->servers, name);
+}
+
+pa_strlist *pa_http_protocol_servers(pa_http_protocol *p) {
+ pa_assert(p);
+ pa_assert(PA_REFCNT_VALUE(p) >= 1);
+
+ return p->servers;
+}