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netty: non-blocking server test
This commit is contained in:
Christian Helmuth
parent
b3819f30dc
commit
a65a4c8621
@ -42,32 +42,7 @@ append config {
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<provides> <service name="Nic"/> </provides>
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</start>
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<start name="socket_fs">}
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if { false } { append config {
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<binary name="ram_fs"/>
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<resource name="RAM" quantum="10M"/>
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<provides> <service name="File_system"/> </provides>
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<config>
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<content>
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<inline name="new_socket">33</inline>
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<dir name="33">
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<inline name="bind"></inline>
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<inline name="listen"></inline>
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<inline name="accept">44</inline>
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<inline name="local">10.0.2.55:8888</inline>
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<!-- not connected <inline name="remote"></inline> -->
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<!-- not connected <inline name="data"></inline> -->
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</dir>
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<dir name="44">
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<inline name="local">10.0.2.55:8888</inline>
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<inline name="remote">10.0.2.1:13001</inline>
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<inline name="data">REQUEST</inline>
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</dir>
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</content>
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<default-policy root="/" writeable="yes" />
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</config>}
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} else { append config {
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<start name="socket_fs">
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<binary name="vfs"/>
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<resource name="RAM" quantum="32M"/>
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<provides> <service name="File_system"/> </provides>
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@ -79,15 +54,13 @@ if { false } { append config {
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</dir>
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</vfs>
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<default-policy root="/socket" writeable="yes" />
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</config>}
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}
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append config {
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</config>
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</start>
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<start name="netty-server-80">
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<binary name="test-netty"/>
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<resource name="RAM" quantum="4M"/>
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<config ld_verbose="yes" port="80" read_write="no">
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<config ld_verbose="yes" port="80" read_write="no" nonblock="true">
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<vfs>
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<dir name="dev"> <log/> </dir>
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<dir name="socket"> <fs/> </dir>
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@ -100,7 +73,7 @@ append config {
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<start name="netty-server-8080">
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<binary name="test-netty"/>
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<resource name="RAM" quantum="4M"/>
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<config ld_verbose="yes" mode="server" port="8080">
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<config ld_verbose="yes" mode="server" port="8080" nonblock="false">
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<vfs>
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<dir name="dev"> <log/> </dir>
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<dir name="socket"> <fs/> </dir>
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@ -1,5 +1,5 @@
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/*
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* \brief Network echo test
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* \brief Network TCP echo test
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* \author Christian Helmuth
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* \date 2015-09-21
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*/
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@ -25,6 +25,7 @@
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#include <cstring>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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@ -56,121 +57,63 @@ static void print(Genode::Output &output, sockaddr_in const &addr)
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}
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enum Test_mode { TEST_READER_WRITER, TEST_TRADITIONAL };
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static Test_mode const test_mode = TEST_TRADITIONAL;
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/***************************************
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** Multi-threaded reader-writer test **
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***************************************/
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class Worker : public Genode::Thread_deprecated<0x4000>
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static size_t test_nonblocking(int cd, bool const use_read_write)
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{
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protected:
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Genode::log("test in non-blocking mode");
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Timer::Connection _timer;
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int ret = 0;
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char _name[128];
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unsigned _id;
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int _sd;
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char _buf[4096];
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char const *_init_name(char const *type, unsigned id)
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{
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snprintf(_name, sizeof(_name), "%s.%u", type, id);
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return _name;
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}
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public:
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Worker(Genode::Env &env, char const *type, unsigned id, int sd)
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:
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Genode::Thread_deprecated<0x4000>(_init_name(type, id)),
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_timer(env), _id(id), _sd(sd)
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{ }
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};
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struct Reader : Worker
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{
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Reader(Genode::Env &env, unsigned id, int sd)
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: Worker(env, "reader", id, sd) { }
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void entry() override
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{
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while (true) {
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// _timer.msleep(100);
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ret = fcntl(cd, F_GETFL);
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if (ret == -1) DIE("fcntl");
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Genode::log("F_GETFL returned ", Genode::Hex(ret), "(O_NONBLOCK=", !!(ret & O_NONBLOCK), ")");
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int const ret = ::read(_sd, _buf, sizeof(_buf));
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ret = fcntl(cd, F_SETFL, ret | O_NONBLOCK);
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if (ret == -1) DIE("fcntl");
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if (ret == -1)
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break;
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}
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Genode::log(Genode::Cstring(_name), " finished errno=", errno);
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ret = fcntl(cd, F_GETFL);
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if (ret == -1) DIE("fcntl");
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Genode::log("F_GETFL returned ", Genode::Hex(ret), "(O_NONBLOCK=", !!(ret & O_NONBLOCK), ")");
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}
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};
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size_t count = 0;
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static char data[64*1024];
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struct Writer : Worker
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{
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Writer(Genode::Env &env, unsigned id, int sd)
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: Worker(env, "writer", id, sd) { }
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while (true) {
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ret = use_read_write
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? read(cd, data, sizeof(data))
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: recv(cd, data, sizeof(data), 0);
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void entry() override
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{
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size_t size = 0;
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if (0) {
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size = sizeof(_buf);
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memset(_buf, 'x', size - 1);
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} else {
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size = strlen(_name) + 1;
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strcpy(_buf, _name);
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}
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_buf[size - 1] = '\n';
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while (true) {
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// _timer.msleep(10 + _id*5);
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int const ret = ::write(_sd, _buf, size);
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if (ret == -1)
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break;
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if (ret == 0) {
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Genode::log("experienced EOF");
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return count;
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}
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Genode::log(Genode::Cstring(_name), " finished errno=", errno);
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if (ret > 0) {
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/* echo received data */
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ret = use_read_write
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? write(cd, data, ret)
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: send(cd, data, ret, 0);
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if (ret == -1) DIE(use_read_write ? "write" : "send");
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count += ret;
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continue;
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}
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if (errno != EAGAIN) DIE(use_read_write ? "read" : "recv");
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Genode::log("block in select because of EAGAIN");
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fd_set read_fds; FD_ZERO(&read_fds); FD_SET(cd, &read_fds);
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int ret = select(cd + 1, &read_fds, nullptr, nullptr, nullptr);
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if (ret == -1) DIE("select");
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}
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};
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static void test_reader_writer(Genode::Env &env, int cd)
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{
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static Reader r0(env, 0, cd);
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static Reader r1(env, 1, cd);
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static Reader r2(env, 2, cd);
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static Writer w0(env, 0, cd);
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static Writer w1(env, 1, cd);
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static Writer w2(env, 2, cd);
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r0.start();
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r1.start();
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r2.start();
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w0.start();
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w1.start();
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w2.start();
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Genode::sleep_forever();
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}
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/****************************************
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** Traditional (blocking) socket test **
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****************************************/
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static size_t test_traditional(int cd, bool const use_read_write)
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static size_t test_blocking(int cd, bool const use_read_write)
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{
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Genode::log("test in blocking mode");
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size_t count = 0;
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int ret = 0;
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static char data[64*1024];
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@ -185,7 +128,10 @@ static size_t test_traditional(int cd, bool const use_read_write)
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}
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/* EOF */
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if (ret == 0) return count;
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if (ret == 0) {
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Genode::log("experienced EOF");
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return count;
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}
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if (use_read_write) {
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ret = write(cd, data, ret);
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@ -238,6 +184,10 @@ static void server(Genode::Env &env, Genode::Xml_node const config)
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unsigned const port = config.attribute_value("port", 8080U);
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bool const use_read_write = config.attribute_value("read_write", false);
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bool const nonblock = config.attribute_value("nonblock", false);
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Genode::log("config: port=", port, " read_write=", use_read_write,
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" nonblock=", nonblock);
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sockaddr_in const addr { 0, AF_INET, htons(port), { INADDR_ANY } };
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sockaddr const *paddr = reinterpret_cast<sockaddr const *>(&addr);
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@ -266,12 +216,10 @@ static void server(Genode::Env &env, Genode::Xml_node const config)
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test_getnames(cd);
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if (0) {
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test_reader_writer(env, cd);
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} else {
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size_t const count = test_traditional(cd, use_read_write);
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Genode::log("echoed ", count, " bytes");
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}
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size_t const count = nonblock
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? test_nonblocking(cd, use_read_write)
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: test_blocking(cd, use_read_write);
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Genode::log("echoed ", count, " bytes");
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ret = shutdown(cd, SHUT_RDWR);
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if (ret == -1) DIE("shutdown");
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