mirror of
https://github.com/lxsang/ant-http
synced 2024-11-18 01:08:21 +01:00
101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
#include "h2.h"
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#include "scheduler.h"
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void* antd_h2_preface_ck(void* data)
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{
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char buf[25];
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antd_request_t* rq = (antd_request_t*) data;
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int count = antd_recv(rq->client,buf,24);
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if(count != 24)
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{
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// TODO servers MUST treat an invalid connection preface as a
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// connection error (Section 5.4.1) of type PROTOCOL_ERROR
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ERROR("Unable to read preface for client %d: [%s]",rq->client->sock,buf);
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return antd_create_task(NULL, (void *)rq, NULL, rq->client->last_io);
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}
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buf[24] = '\0';
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if(strcmp(buf, H2_CONN_PREFACE) != 0)
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{
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ERROR("Connection preface is not correct for client %d: [%s]",rq->client->sock,buf);
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// TODO servers MUST treat an invalid connection preface as a
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// connection error (Section 5.4.1) of type PROTOCOL_ERROR
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return antd_create_task(NULL, (void *)rq, NULL, rq->client->last_io);
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}
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return antd_create_task(antd_h2_handle, (void *)rq, NULL, rq->client->last_io);
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}
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void* antd_h2_handle(void* data)
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{
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antd_request_t* rq = (antd_request_t*) data;
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antd_task_t* task;
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if(rq->client->flags & CLIENT_FL_READABLE)
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{
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task = antd_create_task(antd_h2_read,(void *)rq, NULL, rq->client->last_io);
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task->priority++;
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schedule_task(task);
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}
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if(rq->client->flags & CLIENT_FL_WRITABLE)
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{
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task = antd_create_task(antd_h2_write,(void *)rq, NULL, rq->client->last_io);
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task->priority++;
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schedule_task(task);
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}
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task = antd_create_task(NULL, (void *)rq, NULL, rq->client->last_io);
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task->priority++;
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return task;
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}
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static int antd_h2_read_frame(antd_client_t* cl, antd_h2_frame_t* frame)
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{
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uint8_t tmp;
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frame->length = 0;
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frame->type = 0;
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frame->flags = 0;
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frame->identifier= 0;
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if( antd_recv(cl,& frame->length,24) != 24) return 0;
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printf("length is %d\n", frame->length);
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// TODO:
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// Values greater than 2^14 (16,384) MUST NOT be
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// sent unless the receiver has set a larger value for
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// SETTINGS_MAX_FRAME_SIZE.
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if( antd_recv(cl,& frame->type,8) != 8) return 0;
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printf("type is %d\n", frame->type);
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if( antd_recv(cl,& frame->flags,8) != 8) return 0;
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if( antd_recv(cl,& tmp,1) != 1) return 0;
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// identifier
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if( antd_recv(cl,& frame->identifier,31) != 31) return 0;
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frame->data = (uint8_t*) malloc(frame->length);
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if(!frame->data) return 0;
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if( antd_recv(cl,frame->data, frame->length) != frame->length)
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{
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free(frame->data);
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return 0;
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}
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return 1;
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}
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void* antd_h2_read(void* data)
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{
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antd_h2_frame_t frame;
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antd_request_t* rq = (antd_request_t*) data;
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antd_task_t* task;
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if(!antd_h2_read_frame(rq->client, &frame))
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{
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// TODO: frame error
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printf("error reading frame\n");
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ERROR("Unable to read frame from client %d",rq->client->sock);
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task = antd_create_task(NULL, (void *)rq, NULL, time(NULL));
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task->priority++;
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return task;
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}
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// verify frame
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printf("Frame type: %d\n", frame.type & 0xff);
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return antd_create_task(NULL, data, NULL, time(NULL));
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}
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void* antd_h2_write(void* data)
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{
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printf("write task\n");
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return antd_create_task(NULL, data, NULL, time(NULL));
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} |