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moved chunked transfer encoding thread definition above sendHeader function; added custom thread data to chunked transfer encoding thread

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This commit is contained in:
overflowerror 2021-05-12 12:41:29 +02:00
parent 758cc85e2f
commit e946217ec2
1 changed files with 61 additions and 55 deletions
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116
src/networking.c
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@ -256,6 +256,67 @@ void safeEndConnection(struct connection* connection, bool force) {
pthread_mutex_unlock(&(connection->lock));
}
struct chunkedEncodingData {
struct connection* connection;
int readfd;
};
/*
* This thread handles chunked transfer encoding for persistent connections
*/
void* chunkedTransferEncodingThread(void* _data) {
#define ENCODING_MAX_CHUNK_SIZE (512)
struct chunkedEncodingData* data = (struct chunkedEncodingData*) _data;
int dupFd = dup(data->connection->writefd);
if (dupFd < 0) {
error("networking: couldn't dup for chunked encoding");
// closing pipe should cause the handler to terminate
close(data->readfd);
return NULL;
}
FILE* writeFile = fdopen(dupFd, "w");
if (writeFile == NULL) {
error("networking: couldn't open FILE stream for chunked encoding");
// closing pipe should cause the handler to terminate
close(data->readfd);
return NULL;
}
debug("networking: chunked transfer encoding: using max chunk size of %lld", ENCODING_MAX_CHUNK_SIZE);
char c[ENCODING_MAX_CHUNK_SIZE];
size_t total = 0;
size_t chunks = 0;
int tmp;
while((tmp = read(data->readfd, c, ENCODING_MAX_CHUNK_SIZE)) > 0) {
fprintf(writeFile, "%x\r\n", tmp);
fwrite(c, sizeof(char), tmp, writeFile);
fputs("\r\n", writeFile);
total += tmp;
chunks++;
}
debug("networking: chunked transfer encoding: %lld bytes send in %lld chunks", total, chunks);
if (0 == tmp) {
// send last chunk flag
fputs("0\r\n\r\n", writeFile);
} else {
error("networking: error reading from chunked input: %s", strerror(errno));
}
fclose(writeFile); // close dup, fd will stay open
free(data);
return NULL;
}
int sendHeader(int statusCode, struct headers* headers, struct request* request) {
debug("networking: sending headers");
@ -304,61 +365,6 @@ int sendHeader(int statusCode, struct headers* headers, struct request* request)
return tmp;
}
/*
* This thread handles chunked transfer encoding for persistent connections
*/
void* chunkedTransferEncodingThread(void* data) {
#define ENCODING_MAX_CHUNK_SIZE (512)
struct fileCopy* files = (struct fileCopy*) data;
// files->closeWriteFd is not be closed
// except on error
int dupFd = dup(files->writeFd);
if (dupFd < 0) {
error("networking: couldn't dup for chunked encoding");
close(files->writeFd);
}
FILE* writeFile = fdopen(dupFd, "w");
if (writeFile == NULL) {
error("networking: couldn't open FILE stream for chunked encoding");
close(dupFd);
close(files->writeFd);
return NULL;
}
debug("networking: chunked transfer encoding: using max chunk size of %lld", ENCODING_MAX_CHUNK_SIZE);
char c[ENCODING_MAX_CHUNK_SIZE];
size_t total = 0;
size_t chunks = 0;
int tmp;
while((tmp = read(files->readFd, c, ENCODING_MAX_CHUNK_SIZE)) > 0) {
fprintf(writeFile, "%x\r\n", tmp);
fwrite(c, sizeof(char), tmp, writeFile);
fputs("\r\n", writeFile);
total += tmp;
chunks++;
}
debug("networking: chunked transfer encoding: %lld bytes send in %lld chunks", total, chunks);
if (0 == tmp) {
// send last chunk flag
fputs("0\r\n\r\n", writeFile);
fclose(writeFile); // close dup, socket will stay open
} else {
error("networking: error reading from chunked input: %s", strerror(errno));
fclose(writeFile); // close dup, fd will stay open
close(files->writeFd); // close socket
}
free(files);
return NULL;
}
/*
* This thread calls the handler.
*/