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Sketch emulation on host (#5342)
* WIP compile examples on host with 'make examples' * WIP bufferize tcp input * WIP Makefile * WIP network to rework, tcp/udp to factorize, udp addresses broken * minor changes to the core * WIP basic udp working * WIP mdns * WIP mcast receiving, not sending * WIP mdns OK * beta version * SSL + doc * update travis host test command * licenses * typo * doc: arduino builder is not around: declare functions before calling them * fix with latest SSL PR, compile in 32 bits mode * fix make clean * make -m32 optional * 32bits compiler ability tester * WIP * WIP (fix 1 vtable error, still another one to hunt with using spiffs) * example astyle * fix os_printf_plus * load / save mock spiffs * fix style * fix using spiffs/mock * don't mess ram * update doc * remove leftover * optimization -Os except for CI, rename ARCH32 to FORCE32 * revert useless cast (not even compiled) * remove unused function * use proper type for pointer arithmetics * makefile: sketch object and cpp file moved to bin/ directories easier to clean, and IDE don't like them * changes for review * make use of %zd * less verbose makefile by default (option) * update readme
This commit is contained in:
151
tests/host/common/ClientContextSocket.cpp
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151
tests/host/common/ClientContextSocket.cpp
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/*
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Arduino emulation - socket part of ClientContext
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Copyright (c) 2018 david gauchard. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal with the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimers.
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- Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimers in the
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documentation and/or other materials provided with the distribution.
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- The names of its contributors may not be used to endorse or promote
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products derived from this Software without specific prior written
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permission.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS WITH THE SOFTWARE.
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*/
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// separated from lwIP to avoid type conflicts
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#include <unistd.h>
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#include <sys/socket.h>
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#include <netinet/tcp.h>
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#include <arpa/inet.h>
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#include <poll.h>
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#include <fcntl.h>
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#include <errno.h>
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int mockConnect (uint32_t ipv4, int& sock, int port)
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{
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struct sockaddr_in server;
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if ((sock = ::socket(AF_INET, SOCK_STREAM, 0)) == -1)
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{
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perror(MOCK "ClientContext:connect: ::socket()");
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return 0;
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}
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server.sin_family = AF_INET;
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server.sin_port = htons(port);
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memcpy(&server.sin_addr, &ipv4, 4);
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if (::connect(sock, (struct sockaddr*)&server, sizeof(server)) == -1)
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{
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perror(MOCK "ClientContext::connect: ::connect()");
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return 0;
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}
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if (fcntl(sock, F_SETFL, O_NONBLOCK) == -1)
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{
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fprintf(stderr, MOCK "ClientContext::connect: fcntl(O_NONBLOCK): %s\n", strerror(errno));
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close(sock);
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return 0;
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}
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return 1;
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}
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size_t mockFillInBuf (int sock, char* ccinbuf, size_t& ccinbufsize)
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{
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size_t maxread = CCBUFSIZE - ccinbufsize;
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ssize_t ret = ::read(sock, ccinbuf + ccinbufsize, maxread);
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if (ret == -1)
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{
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if (errno != EAGAIN)
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fprintf(stderr, MOCK "ClientContext::(read/peek): filling buffer for %zd bytes: %s\n", maxread, strerror(errno));
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ret = 0;
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}
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return ccinbufsize += ret;
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}
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size_t mockPeekBytes (int sock, char* dst, size_t usersize, int timeout_ms, char* ccinbuf, size_t& ccinbufsize)
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{
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if (usersize > CCBUFSIZE)
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fprintf(stderr, MOCK "CCBUFSIZE(%d) should be increased by %zd bytes (-> %zd)\n", CCBUFSIZE, usersize - CCBUFSIZE, usersize);
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struct pollfd p;
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size_t retsize = 0;
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do
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{
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if (usersize <= ccinbufsize)
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{
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// data already buffered
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retsize = usersize;
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break;
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}
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// check incoming data data
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mockFillInBuf(sock, ccinbuf, ccinbufsize);
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if (usersize <= ccinbufsize)
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{
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// data just received
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retsize = usersize;
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break;
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}
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// wait for more data until timeout
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p.fd = sock;
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p.events = POLLIN;
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} while (poll(&p, 1, timeout_ms) == 1);
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memcpy(dst, ccinbuf, retsize);
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return retsize;
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}
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size_t mockRead (int sock, char* dst, size_t size, int timeout_ms, char* ccinbuf, size_t& ccinbufsize)
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{
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size_t copied = mockPeekBytes(sock, dst, size, timeout_ms, ccinbuf, ccinbufsize);
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// swallow (XXX use a circular buffer)
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memmove(ccinbuf, ccinbuf + copied, ccinbufsize - copied);
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ccinbufsize -= copied;
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return copied;
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}
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size_t mockWrite (int sock, const uint8_t* data, size_t size, int timeout_ms)
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{
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struct pollfd p;
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p.fd = sock;
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p.events = POLLOUT;
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int ret = poll(&p, 1, timeout_ms);
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if (ret == -1)
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{
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fprintf(stderr, MOCK "ClientContext::write: poll(%d): %s\n", sock, strerror(errno));
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return 0;
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}
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if (ret)
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{
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ret = ::write(sock, data, size);
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if (ret == -1)
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{
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fprintf(stderr, MOCK "ClientContext::read: write(%d): %s\n", sock, strerror(errno));
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return 0;
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}
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if (ret != (int)size)
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{
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fprintf(stderr, MOCK "ClientContext::write: short write (%d < %zd) (TODO)\n", ret, size);
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exit(EXIT_FAILURE);
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}
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}
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return ret;
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}
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