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git://git.psyc.eu/libpsyc
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test server
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parent
8714d4dfcd
commit
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3 changed files with 270 additions and 2 deletions
1
.gitignore
vendored
1
.gitignore
vendored
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@ -5,6 +5,7 @@ src/match
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test/testMatch
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test/testParser
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test/testRender
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test/testServer
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test/isRoutingVar
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.config
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@ -1,7 +1,8 @@
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CFLAGS=-I../include -DDEBUG -g -O0 -Wall
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LDFLAGS=-L../src
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LOADLIBES=-lpsyc -lm
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TARGETS=testParser testMatch testRender isRoutingVar
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TARGETS=testServer testParser testMatch testRender isRoutingVar
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PORT=4440
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all: $(TARGETS)
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./testRender
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@ -9,7 +10,16 @@ all: $(TARGETS)
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./isRoutingVar
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test: $(TARGETS)
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for f in packets/*; do echo ">> $$f"; ./testParser $$f; done
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for f in packets/full-* packets/error-*; do echo ">> $$f"; ./testParser $$f; done
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nettest:
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for f in packets/full-* packets/error-*; do echo ">> $$f"; cat $$f | nc localhost $(PORT); done
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nettestp1:
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(for f in packets/part-1-p*; do cat $$f; done) | nc nb $(PORT)
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nettestp2:
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(for f in packets/part-1-length-p*; do cat $$f; done) | nc nb $(PORT)
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clean:
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rm -f $(TARGETS)
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257
test/testServer.c
Normal file
257
test/testServer.c
Normal file
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@ -0,0 +1,257 @@
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/**
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* libpsyc test server for packet parsing & rendering
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* based on selectserver.c from http://beej.us/guide/bgnet/
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <psyc/lib.h>
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#include <psyc/parser.h>
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#include <psyc/render.h>
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const size_t RECV_BUF_SIZE = 256;
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const size_t SEND_BUF_SIZE = 1024;
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const size_t NUM_PARSERS = 100;
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// get sockaddr, IPv4 or IPv6:
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void *get_in_addr(struct sockaddr *sa)
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{
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if (sa->sa_family == AF_INET) {
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return &(((struct sockaddr_in*)sa)->sin_addr);
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}
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return &(((struct sockaddr_in6*)sa)->sin6_addr);
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}
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int main(int argc, char **argv)
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{
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char *port = argc > 1 ? argv[1] : "4440";
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uint8_t verbose = argc > 2;
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fd_set master; // master file descriptor list
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fd_set read_fds; // temp file descriptor list for select()
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int fdmax; // maximum file descriptor number
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int listener; // listening socket descriptor
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int newfd; // newly accept()ed socket descriptor
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struct sockaddr_storage remoteaddr; // client address
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socklen_t addrlen;
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char buf[2*RECV_BUF_SIZE]; // cont buf + recv buf: [ ccrrrr]
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char *recvbuf = buf + RECV_BUF_SIZE; // recv buf: ^^^^
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char *parsebuf; // parse buf: ^^^^^^
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char sendbuf[SEND_BUF_SIZE];
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size_t nbytes, contbytes = 0;
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char remoteIP[INET6_ADDRSTRLEN];
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int yes = 1; // for setsockopt() SO_REUSEADDR, below
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int i, rv;
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struct addrinfo hints, *ai, *p;
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psycParseState parsers[NUM_PARSERS];
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psycPacket packets[NUM_PARSERS];
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int ret, retl;
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char oper;
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psycString name, value, elem;
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psycParseListState listState;
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FD_ZERO(&master); // clear the master and temp sets
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FD_ZERO(&read_fds);
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// get us a socket and bind it
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memset(&hints, 0, sizeof hints);
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hints.ai_family = AF_UNSPEC;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_flags = AI_PASSIVE;
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if ((rv = getaddrinfo(NULL, port, &hints, &ai)) != 0) {
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fprintf(stderr, "error: %s\n", gai_strerror(rv));
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exit(1);
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}
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for (p = ai; p != NULL; p = p->ai_next) {
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listener = socket(p->ai_family, p->ai_socktype, p->ai_protocol);
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if (listener < 0) {
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continue;
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}
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// lose the pesky "address already in use" error message
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setsockopt(listener, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int));
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if (bind(listener, p->ai_addr, p->ai_addrlen) < 0) {
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close(listener);
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continue;
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}
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break;
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}
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// if we got here, it means we didn't get bound
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if (p == NULL) {
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fprintf(stderr, "failed to bind\n");
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exit(2);
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}
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freeaddrinfo(ai); // all done with this
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// listen
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if (listen(listener, 10) == -1) {
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perror("listen");
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exit(3);
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}
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// add the listener to the master set
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FD_SET(listener, &master);
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// keep track of the biggest file descriptor
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fdmax = listener; // so far, it's this one
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// main loop
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for (;;) {
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read_fds = master; // copy it
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if (select(fdmax+1, &read_fds, NULL, NULL, NULL) == -1) {
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perror("select");
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exit(4);
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}
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// run through the existing connections looking for data to read
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for (i = 0; i <= fdmax; i++) {
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if (FD_ISSET(i, &read_fds)) { // we got one!!
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if (i == listener) {
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// handle new connections
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if (fdmax == NUM_PARSERS - 1)
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continue; // ignore if there's too many
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addrlen = sizeof remoteaddr;
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newfd = accept(listener, (struct sockaddr *)&remoteaddr, &addrlen);
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if (newfd == -1) {
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perror("accept");
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} else {
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FD_SET(newfd, &master); // add to master set
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if (newfd > fdmax) { // keep track of the max
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fdmax = newfd;
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}
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// reset parser state & packet
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psyc_initParseState(&parsers[newfd]);
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memset(&packets[newfd], 0, sizeof(psycPacket));
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printf("# New connection from %s on socket %d\n",
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inet_ntop(remoteaddr.ss_family,
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get_in_addr((struct sockaddr*)&remoteaddr),
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remoteIP, INET6_ADDRSTRLEN),
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newfd);
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}
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} else {
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// handle data from a client
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if ((nbytes = recv(i, recvbuf, RECV_BUF_SIZE, 0)) <= 0) {
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// got error or connection closed by client
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if (nbytes == 0) {
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// connection closed
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printf("socket %d hung up\n", i);
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} else {
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perror("recv");
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}
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close(i); // bye!
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FD_CLR(i, &master); // remove from master set
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} else {
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// we got some data from a client
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parsebuf = recvbuf - contbytes;
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psyc_nextParseBuffer(&parsers[i], psyc_newString(parsebuf, contbytes + nbytes));
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contbytes = 0;
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do {
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ret = psyc_parse(&parsers[i], &oper, &name, &value);
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switch (ret) {
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case PSYC_PARSE_ROUTING:
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case PSYC_PARSE_ENTITY:
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case PSYC_PARSE_ENTITY_INCOMPLETE:
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if (verbose)
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write(1, &oper, 1);
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case PSYC_PARSE_BODY:
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case PSYC_PARSE_BODY_INCOMPLETE:
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if (ret == PSYC_PARSE_BODY_INCOMPLETE ||
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ret == PSYC_PARSE_ENTITY_INCOMPLETE)
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ret = 0;
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// printf("the string is '%.*s'\n", name);
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if (verbose) {
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write(1, name.ptr, name.length);
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write(1, " = ", 3);
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write(1, value.ptr, value.length);
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write(1, "\n", 1);
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}
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if (memcmp(name.ptr, "_list", 5) == 0) {
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if (verbose)
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write(1, ">>> LIST START\n", 15);
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psyc_initParseListState(&listState);
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psyc_nextParseListBuffer(&listState, value);
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do {
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retl = psyc_parseList(&listState, &name, &value, &elem);
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switch (retl) {
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case PSYC_PARSE_LIST_END:
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retl = 0;
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case PSYC_PARSE_LIST_ELEM:
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if (verbose) {
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write(1, "|", 1);
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write(1, elem.ptr, elem.length);
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write(1, "\n", 1);
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if (ret == PSYC_PARSE_LIST_END)
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write(1, ">>> LIST END\n", 13);
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}
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break;
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default:
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printf("# Error while parsing list: %i\n", ret);
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ret = retl = -1;
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}
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} while (retl > 0);
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}
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break;
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case PSYC_PARSE_COMPLETE:
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printf("# Done parsing.\n");
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#ifdef RENDER_WORKS
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psyc_render(&packets[i], sendbuf, SEND_BUF_SIZE);
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if (send(i, sendbuf, packets[i].length, 0) == -1) {
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perror("send");
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}
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#endif
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ret = -1;
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break;
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case PSYC_PARSE_INSUFFICIENT:
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printf("# Insufficient data.\n");
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contbytes = parsers[i].buffer.length - parsers[i].cursor;
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if (contbytes > 0) { // copy end of parsebuf before start of recvbuf
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assert(recvbuf - contbytes >= buf); // make sure it's still in the buffer
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memcpy(recvbuf - contbytes, parsebuf + parsers[i].cursor, contbytes);
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}
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ret = 0;
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break;
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default:
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printf("# Error while parsing: %i\n", ret);
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ret = -1;
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}
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} while (ret > 0);
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if (ret < 0) {
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printf("# Closing connection: %i\n", i);
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close(i); // bye!
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FD_CLR(i, &master); // remove from master set
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}
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}
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} // END handle data from client
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} // END got new incoming connection
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} // END looping through file descriptors
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} // END for(;;)--and you thought it would never end!
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return 0;
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}
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